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Service Manual - Atlas Monitor

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1. REV Description ECN ECO Init Date AC DC Power Release to Production 5 39118 JAC 3 15 99 LPP Connector EKG PWM ADC 6 5 AC 12V gt FE PWM ADC ess B See ECN worksheet 5 39456 LPP 4 27 99 LPP i R7 AC 74HCT04 150072 lt TP7 2 EE Rec 12V minimum D D gt Rec Improvements for ESD 5 39822 LPP 6 23 99 LPP load 12V EKG Data Clock 9 8 i 4 gt gt Rec GND T O gt FE Data Clock and Fast Transients I up Cla D Nous tous Cer 5 39934 LPP 719 99 LPP 6 Fan NVRAM pullup 74HCT04 TP8 5V Add SpO2 cabability c22 Connector EKG ADC Clock n 210 F Modify RLD to reduce V lead noise 5 44460 LPP 3 26 02 JK FE ADC Clock CON7 047uF J5 45V Improve ESU reje
2. A B D E REV Description ECN ECO Init Date Defib Protect A Release to Production 5 39121 JAC 3 15 99 LPP Clamp voltage for Temp U501 0502 0503 0504 0505 0506 0507 0508 e B See ECN worksheet 5 39455 LPP 4 27 99 LPP and Resp circuits gt Improvements for ESD 561 lt elim C534 C518 C520 C522 C524 C526 C528 C530 C532 D and Fast Transients Correct 5 39821 LPP 6 24 99 LPP R506 D506 J gt 47uF 047uF 047uF 047uF 047uF 047uF 047uF 047uF 04uF Respiration Diff 10K 5 1V Mods to U2 clock line Resp clamp 3 1 E gain amp ECG supply and 5 39936 LPP 7 9 99 LPP ee NEA NVRAM pullup E E E E E E E E E Buffer for ETCO2 Nurse call relay TP502 5 N N F Modify RLD to reduce V Le
3. A B D E REV Description ECN ECO Init Date Release to Production 5 39251 JAC 3 23 99 LPP B No Load D16 5 39485 LPP 4 28 99 LPP D13 to Low Profile R51 to 316 5 39994 LPP 7 23 99 4 vcc TP10 TP12 TP14 R26 Temperature Tens VCC R27 VCC R28 150 150 Temperature Ones 150 Temperature Tenths U14 5 4 D34 015 u15 15 8 1 D35 U16 u16 15 8 1 D36 LED Data b 25 u14 15 6 3 d34 g a 5 u15 1 5 4 d35 g gl ues 125 u16 1 5 4 d36 g LED_TP_Data_In Ge 1 ula 7 2 1 0152 6 3 d35 f ar A nh 1 u162 6 3 d36 f MS ecl ks 2 u142 8 1 d34 e SL us D ON 2 015 3 7 2 d35 e WS ed 2 u16 3 7 2 d36 e ae 10 Qc s vz d34 d 5 FB 10 d35 d 5 FB 10 97 3 d36 d 5 FB L n QD SE BAS Ge EN G 1 disc el
4. A B REV Description ECN ECO Init Date 0407 Release to Production 5 39121 JAC 3 15 99 LPP 78105 iso 5Vdig lt lt 1 ovr VEO A B See ECN worksheet 5 39455 LPP 4 27 99 LPP 8 2 C406 amp 6 5 5 Improvements for ESD RFI 100 TJ C403 C430 D and Fast Transients Correct 5 39821 LPP 6 24 99 LPP 047uF EP ep 047uF Respiration Diff Amp Topology Mods to U2 clock line Resp A lt gain amp ECG supply and 5 39936 LPP 7 9 99 LPP 5 NVRAM pullup Buffer for ETCO2 Nurse call relay s F Modify RLD to reduce V Lead noise 5 44461 LPP 3 26 02 JK Improve ESU rejection SpO2 bypass cap RS232 PS mods asv lt lt 1 V 8 G AKV nurse call relay ERR FDBK Improve CMR for Resp Toplogy 5 44857 LPP 7 18 02 JK SHTDN lt 15 ES Isolation 6 1 ole ccm So SENS EM arrier Wie m Sr RZ Isolate
5. A B D E REV Description ECN ECO Init Date Ckd A Release to Production 5 39251 JAC 3 23 99 LPP B No Load D16 5 39485 LPP 4 28 99 LPP D13 to Low Profile R51 to 316 5 39994 LPP 7 23 99 vcc TP89 vcc vcc R38 Systolic Hundreds TP91 R39 Systolic Tens TP93 R40 Systolic Ones 4 680 680 680 U20 u20 15 8 1 D40 U21 8 1 D41 U22 8 1 D42 u19 out EE on LI u20 1 5 4 d40 g 10 ug Lx eee on L5 u21 15 5 4 d41 g 41 on LI U22 15 5 4 d42 g 10 LED NIBP Data In Se E 202 6 3 daof lt u21 1 6 3 darf cu pe Ser u22 1 6 3 942 3 Mu oc 2 u20 3 7 2 d40 e Cl 2 21 2 7 2 941 4 11 gt eck oc 2 u222 7 2 d42 e Cl Ge A IR cae SH 440 2 5 8 ape u21 3 d41 d 2 D 8 ae eU L3 u22 3 d42 d 2 D F 8 SC SC g P FUE d40 c Cl s Se u21 4 d41 c s ac u224 d42 c a 12 er JE u20 4 5 4 d40 b El 5 12_N o u21 5 5
6. B c D E REV Description ECN ECO Init Date Ckd A Release to Production 5 39173 JAC 3 18 99 LPP B Component change for 5 39353 JIC 4 15 99 ZIP frequency modulation Change Reset IC U3 cC 5 39830 LPP 6 24 99 LPP No Load C40 D Upgrade to larger SDRAM 5 44759 LPP Mi JK 4 IRO_n 0 7 A 631 7 CS_n 0 7 gt 25 IRQ_n2 1 100 A26 IRO_n1 2 4 2100 99 A27 Wes 98 28 TIN1 7 97 29 TIN2 8 bs a 96 GPL D 0 31 Ka 2 ps P95 95 NIBP Fault x 10 07 94 CS_n2 PA6 TI TDI 10 P94 93 PA7 P11 P93 RD WR Field 12 GCLK 12 EPF6016A P92 92 00 lt zi e 5 GCLK DEV CLRI a EE up d B 90 D2 VIDEO 0 7 5 ee DEV_OE 03 76 8KHz 16 Ge pr 84 D4 FE Clock x 7 5 SE 83 55 18 j 22 Ss De 13 SG WS 81 AI 07 Sch wo VIDEOO Feld al a d 79 VIDEO1 25 os d a 78 VIDEO2 3 DREQAR 26r es eee 7 VIDEO3 EH 27 a 76 VIDEO4 SDACK2_n 28 id iis 75 VIDEOS SDACKI n 29 Gs 95 74 VIDEOS Recorder Data x 30 73 VIDEO7 Recorder Data Latch x 31 P30 P73 60 Recorder Clock x 32 P
7. A B c D E REV ipti ECN ECO Init 1201 TP201 Description ni Date Ckd 220uH yoy TP202 R207 A Release to Production 5 39121 JAC 3 15 99 LPP D PH12V Rer m B See ECN worksheet 5 39455 LPP 4 27 99 LPP 10 A C205 Improvements for ESD RFI P 12V SS pasy R208 D and Fast Transients Correct 5 39821 LPP 6 24 99 LPP V X 047 1 96 Respiration Diff Amp Topology R206 z lt Mods to U2 clock line Resp TP206 1K E gain amp ECG supply and 5 39936 LPP 7 9 99 LPP U201 R201 U2033 3 NVRAM pullup 78105 576 1 Buffer for ETCO2 Nurse call relay NIBP O our ge a 2 F Modify RLD to reduce V Lead noise 5 44461 LPP 3 26 02 JK U203A Improve ESU rejection a a a a C203 C222 LM393 SpO2 bypass RS232 PS mods 55 amp R202 O1uF G 5 44857 LPP 7 18 02 JK _ om 174 Pia AKV nurse call elay improve CMRR for Resp Topology 047uF 47uF TP207 047uF 4 al e TP208 TP209 N A R210 33V N A 2 464K N Z U202 3 3 A u 1 P 12V 2 4 A R203 R211 P45V TP239 EF 3 32K U202A 1 96K TP203 MC34072 R209 i 1K 5 U235 5 lu207 9 9 E A ANAG 4 z pr TPAO S 7 gt gt NIBP 15mmH
8. A B D E REV Description ECN ECO Init Date Ckd yy A Release to Production 5 39118 JAC 3 15 99 LPP lt PIC Vprog lt lt Rec Data 5 B See ECN worksheet 5 39456 LPP 4 27 99 LPP lt Rec Clock Improvements for ESD 5 39822 LPP 6 23 99 LPP 3 gt filt 12V and Fast Transients D EC 5 39934 LPP 7 9199 LPP NVRAM pullup Add Nellcor SpO2 cabability TP315 F Modify RLD to reduce V lead noise 5 44460 LPP 3 26 02 JK U304 A s Improve ESU rejection x Sig Add 330uF bypass for Nellcor 506 u304 fb 7 5 24 board E a Gro G 5 44857 LPP 7 18 02 JK SHTDN C33 _ TP26 A C325 2 47uF 6 A 4JuF Ke TP27 x SENS Z Ww SG LP2951CD 33 gt n 5772 0305 5 a 3 a gt gt 2 13 PlCData gt gt Clkin Osc1 RB5 RBO 3 12 On Off Key gt Clkout Osc2 RB4 RBI Page 1 4 11 j Vpp MCLR RB3 RB2 lt lt PIC CIK 5 10 15313 TC5 TOCK1 Ro On Off 6 9 PC audio RC4 RCI R320 1 62K 7 8 RC3 RC2 VA lt lt Speaker Audio D620361 MX10000 TP320 R319 19 6K U2 Clk S v 7 gt ADC Clock On Off Switch V TP316 TP317 Q301 Sc 22 U2 Reset MTP23P06V 1301 47uH 3 2 AC 12V 4 SES TP318 R303 R314 gt D304 6302 303 C304 C305 C 10K 100 MMBD354LT1 3 C301 1 ow J gt 330uF E d3044 1 1000uF f
9. B D E REV Description ECN ECO Init Ckd A Release to Production 5 39173 JAC LPP Component change for B u 5 39353 JIC 4 15 99 zip frequency modulation Change Reset IC U3 5 39830 LPP LPP No Load C40 D Upgrade to larger SDRAM 5 44759 LPP 6 20 02 JK 4 CPU PCA SW Debug Port aka BDM Connector Main PCA Connectors 25 VDDH ven gt 1 2 O RESET_n JP8 cu 3 D lt 5 6 GND Jum 2719 lt 5 i E s lt a 24 GND EKG PWM ADC HRESET_n DSDI NIBP Fault 50 3 4 05 9 10 lt 3 3V_unfiltered 5 6 D NIBP PWM ADC 3 3V_unfiltered Zo 7 8 D gt NDE ___ HEADER 3X2 Ze GND ES 210 9 10 2 RS423 Tx NIBP Overpressure GND ac 11 12 m Spare 1 Q 1 14 RS423 R 15 4 16 1 Visual History Buffer Flush Status 823 output ETCO2 Tx 17 15 16 18 SpO2 Tx ETCO2 Rx 19 Q 17 18 SpO2 Rx 2 Reset Output 823 input Spare 2 ze 19 20 gt gt ADC Clock 3 Ground NIBP Data AO 2 2 OF FE Clock 4 BDM Clock 823 input 23 24 data NIBP 15mmHg 25 lt 26 SPl data out 35 Giound LED Latch 279 25 26 Lis SPl clock 2 3 Video Horizontal Sync 50 27 28 027 Batt ID 6 Visual History Buffer Flush Status 823 output Spare 3 31 O 29 30 32 FE Data 7 Reset Input 823 Output Main Power Sync 33 C 31 32 LS GND Recorder Motor Step 8 BDM Data Input 823 Input Vbackup 35 33 34 3
10. 0401 9008 4 4 MTD3055V 1 5124 soe 11 g oscout A 0403 14158 BT Ez uoza Isoximr TP456 2 R409 PAST we T4014 20401 2 MMBT3906L 3 Al 406 5 Se Cao 2 MBRS130T3 02 ela w Gan rato 100 Raos TP458 C410 ss 2 2200pF 75K Auer 100 F 401 s s d D Y R422 10K Y TP459 R403 4N25 uma f gt 1K 1 uagy t Jean 1 6 em 511K ue zl R423 U401A 5 LM358 yn E 4 TP462 2 R404 SA S 196K R401 R402 10K Dat 10K ar 1 2 as Paes Di Figure A 23 Patient isolation circuit Linear Regulators and Filtering Model 621 From the raw f V and f V voltages labeled fVcc and fVee on model 621 the following sup plies are generated for the various patient isolated circuits iso 5dig Regulated 5V supply This voltage is used to power the opto isolators and digital control logic This is also the reference voltage used in the regulation of f V f 5V Regulated 5V supply Filtered and buffered from iso 5dig this voltage is used for the A D reference fVcc This voltage is used to power the Op Amps used in the ECG and A D circuits This voltage also powers the Nonin SpO2 electronics fVee This voltage is used to power the Op Amps used in the E
11. BATTER Figure C 1 Atlas Interconnect Diagram Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D e ea lt gt s ia ge e ETT eir 22 Sog E a 2225 oe lt gt lt gt gt gt zie ug ELI C Sse GE lt EE 5 Et ed e prend
12. Part Description 620194 WASHER FLT 33 62 X 049 PNEUM 620197 BUSHING SPLIT NYLON 620198 FOOT 620200 501 CRT SUB ASY 620205 4 40 X 31 TX PN MC ST ZN 620214 1 TUBING SILICONE 1 16 50 620215 1 TUBING SILICONE 1 8 X1 00 620215 2 TUBING SILICONE 1 8 X 2 125 620215 3 TUBING SILICONE 1 8 X 7 50 620215 4 TUBING SILICONE 1 8 X 750 620216 FITTING Y 1 8 X 1 8 X 1 8 620217 FITTING T 1 8 X 1 16X 1 8 620377 1 NELLCOR WORKS HERE LABEL 620377 2 NELLCOR PATENT LABEL 620378 1 ATLAS KEYPAD BP START CANCEL 620378 2 ATLAS KEYPAD TREND LEAD PRINT 620378 3 ATLAS KEYPAD SPO2 CLOCK POWER 620378 4 ATLAS KEYPAD 4 ALARMS 620378 5 ATLAS KEYPAD SILENCE ALARM 620378 6 ATLAS KEYPAD SILENCE BELL 620379 501 MONITOR BOX W INSERTS 620384 2C LOW LABEL W FREEZE CHINESE 620384 2E DISPLAY LABEL LOW FREEZE ENG 620384 2F DISPLAY LABEL LOW FREEZE FR 620384 2G LOW LABEL W FREEZE GERMAN 620384 21 LOW LABEL W PRINTER ITALIAN 620384 2 LOW LABEL W FREEZE JAPANESE 620384 2P LOW LABEL W FREEZE PORT 620384 25 LOW LABEL W FREEZE SPANISH 620385 SUB LABEL DISPLAY 620386 FASTON TAB 620388 2 LABEL NELLCOR SENSOR 620393 PWR SUPPLY INSULATOR LABEL 620394 1 WASHER SHOULDER PLATED 114 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Repair Parts Lists Appendix B Table B 1 Atlas 621 0 repair parts
13. A B D E Q303 REV Description ECN ECO Init Date Ckd gt gt MTP30N06VL 4 SS A Release to Production 2 3 Yf NWN NN 39121 JAC 3 15 99 Q303 s L303 0395 On Off Switch C335 Bead ECN worksheet 39455 upp 4 27 99 LPP 8 1 047uF VOUT ez gt gt VBackup 12V B t Improvements for ESD RFI e e 005 u307 6 FDBK ERR CU H and Fast Transients Correct 39821 6 24 99 LPP OR uuo C332 12 1V nominal 3 Respiration Dit Amp Topology 4 7uF 47uF lods to U2 clock line Resp gt TAP jain amp ECG supply 3 39936 7 9 99 LPP SENS NVRAM pullup V 18V 3 1 U302 pwr Buffer for ETCO2 Nurse call relay 5 LP2951CD 3 3 a R308 TP302 3i F Modify RLD to reduce V Lead noise 5 44461 LPP 3 26 02 JK 17 8K 54V C306 C310 L302 Improve ESU rejection T 1uF 1000uF 22uH SpO2 bypass RS232 PS mods D e U302 fb TP304 UE s G nurse call relay 1 1 5 44857 LPP 7 18 02 JK 4 Improve CMR for Resp Topology avfuse On Off Circuit R309 TP305 R310 RES _ D304 a 4 64 10K MBRS340T3 1305 Bead 18V Boost Mosfet Gate Voltage 12V 5301 E U302 03054 5 l D304 C 2 1301 C305 UC3843A LT 1 Heatsink F303 1mH 5600pF 3 G12 Ir C313 R305 U301 g 1000uF 10004 336 for D301 4amp 1 MC34063AD TP307 TP306 i R314 Q30
14. TP26 R33 D 4 5 c18 1 47K 27V de 047uF U3 10 O c gt e 047uF 47uF a 4 us ow E 27V 8 2 2 13 TP27 R34 ULN2065 Ja U3 clk 35 Ckin Osc1 RB5 ppo 147K u6 3 2 J3 1 3 4 12 U3 9 u6 6 6118 1c 7 LI Clkou Oscz RBA 2 0 u6 11 11 28 20 9 T 2 E 3B 3c 3 4 11 u6 14 1438 30 Ce 18 4 x 5 5 Rco 22 e S 2 CLMP2 CONS rca RC1 7 ncs Rc2 Hus 147K usa Connector Pin A 1 3 4 6 TP28 phase 1 2 29 R36 3 1 47K U3 7 a Figure A 21 Printer motor drive circuit Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 97 Appendix A Theory of Operation Temperature Amplifier The printer will print darker as temperature is increased Print darkness can adjusted by controlling the time a dot is turned on A thermistor is included on the printhead This ther mistor is nominally 30K and decreases as temperature increases The output of the temper ature amplifier is a function of the thermistor voltage Temp 755 1 R8 Rtherm This voltage is digitized on the main board and the CPU can compensate dot width in order to maintain consistent printing over temperature Printhead Temperature 45V T Amplifier R1 51 1K TP3 R4 9 09K A R8 23 7K C5 01
15. Parti Description 620384 3I MID LABEL W PRINTER ITALIAN 620384 3 MID LABEL W PRINTER JAPANESE 620384 3P MID LABEL W PRINTER PORT 620384 35 LOW LABEL W PRINTER SPANISH 620385 SUB LABEL DISPLAY 620386 FASTON TAB 620388 1 LABEL NONIN SENSOR 620393 PWR SUPPLY INSULATOR LABEL 620394 1 WASHER SHOULDER PLATED 620395 501 REPLACEMENT BATTERY SUB ASSY 620403 FLAT TIE HOLDER 761077 1 WIRE TIE Service Manual 6200 43E Rev D Repair Parts Lists Appendix B Welch Allyn Atlas Monitor 135 Appendix B Appendix E Table B 9 Atlas 622NP repair parts Repair Parts List Part Description 620004 502 ATLAS CPU PCB ASSY 620007 501 FRONT PANEL DISPLAY PCB ASSY 620013 502 PRINTER PCB 620016 503 MAIN PCB ASSY MID HIGH END 620032 1 ETCO2 PCB ASSY 620034 ETCO2 CONNECTOR amp CABLE 620038 NELLCOR LABEL CARTON 6200 43E SERVICE MANUAL ATLAS 620105 3 BATTERY DOOR 620117 PRINTER DOOR BUTTON 620119 LATCH 5 2 620125 501 MAIN CASE HANDLE SET 620126 6 BEZEL SET HIGH HEAT TRANSFER 620131 1 MAIN FOAM 620132 2 TOP FOAM 620133 BP FOAM 620134 501 GEAR ASSY 620138 501 PRINTER DOOR ASSY 620139 501 PRINTER FRAME ASSE 620140 501 MAIN PRINTER ASSY 620140 502 PRINTER ASSY W STATIC BAG 620141 METAL HOUSING TOP 620142 1 METAL HOUSING BOTTOM LG 620143 NUT TEMPERATURE 620144 BRACKE
16. Part Description 620384 5C HIGH LABEL 620384 5E DISPLAY LABEL HIGH PRINTER ENG 620384 5F HIGH LABEL FRENCH 620384 5G HIGH LABEL GERMAN 620384 51 HIGH LABEL ITALIAN 620384 5 HIGH LABEL JAPANESE 620384 5P HIGH LABEL PORT 620384 5S HIGH LABEL SPANISH 620385 SUB LABEL DISPLAY 620386 FASTON TAB 620388 1 LABEL NONIN SENSOR 620393 PWR SUPPLY INSULATOR LABEL 620394 1 WASHER SHOULDER PLATED 620395 501 REPLACEMENT BATTERY SUB ASSY 620403 FLAT TIE HOLDER 620411 1C PRYON CO2 CAUTION LABEL Chinese 620411 1E PRYON 2 CAUTION LABEL English 620411 1F PRYON CO2 CAUTION LABEL French 620411 1G PRYON CO2 CAUTION LABEL German 620411 1I PRYON CO2 CAUTION LABEL Italian 620411 1 PRYON 2 CAUTION LABEL Japanese 620411 1P PRYON CO2 CAUTION LABEL Port 620411 15 PRYON 2 CAUTION LABEL Spanish 620524 CABLE CO2 TO MAIN BD 761077 1 WIRE TIE Service Manual 6200 43E Rev D Appendix B Welch Allyn Atlas Monitor 141 Appendix B Table B 11 Atlas 623NP repair parts Repair Parts List Part Description 620004 502 ATLAS CPU PCB ASSY 620007 501 FRONT PANEL DISPLAY PCB ASSY 620013 502 PRINTER PCB 620016 503 MAIN PCB ASSY MID HIGH END 620032 1 2 PCB ASSY 620034 ETCO2 CONNECTOR amp CABLE 620038 NELLCOR LABEL CARTON 6200 43E SERVICE MANUAL ATLAS 620105 3
17. DG202CSE R527 fVee C514 1K 0 1uF 0514 2 R528 TP552 51 1 Figure 33 Right leg drive circuit High Pass and Gain Stage The signal from the output of the differential amplifier is AC coupled before a final stage of amplification The High Pass Pole is set to 0 05Hz a 3 3 second time constant Large DC signals are sometimes present for example following a Leads Off condition In order to quickly restore the ECG baseline a transistor switch Q504 Q505 is used to change the AC pole time constant to 0 33 seconds Op Amp U508 provides the final amplification prior to the A D converter Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 107 Appendix A Theory of Operation High Pass 0 05Hz or 0 5Hz Gain Stage 2 pole low pass Gain 74 C515 R550 3 3uF 19 6K Diff out gt eqg hp 45085 8 7 ei lt C516 R548 R549 047uF U508B 1Meg 110K AD712 R551 C517 73 2K 01uF 0504 d Vee U508 6 9 R552 1K Q504 ch 1 2N7002 v E 40504 5 R553 100K 1 495029 lt lt Sw MonBw 0505 207002 7 0 Figure A 34 High pass and gain stage circuit Temperature Amplifier Model 622 623 only The temperature option of Atlas is designed to operate with YSI 400 series probes This probe has a negative temperature coefficient R 30C 18150hms R 40C 1200Ohms The temperature amplifier is configured a
18. mes c P16 g VDDH4 8808 1852 5 PA15 USBRXD T lt PAIS gig VDDH5 Ssg PA14 USBOE_n zm VDDH6 PA13 RXD2 Yn lt VDDH7 PAI2 TKD2 Hoo lt mo p PA9 LITXDA SMRXD2 lt SMRXD2 L1RXDA SMTXD2 _ lt 5 2 Place VSSSYN F12 18 i Gs VDDHIO PA7 TIN1 LIRCLKA BRGO1 SS on a split VDDH11 PA6 CLK2 TOUT1_n me S lt 6 plane beneath hs VDDH12 PAS CLK3 TIN2 LITCLKA BRGO2 R lt PAS the MPC823 PLL wag VDDH13 PA4 CLK4 TOUT2_n TIN4 E MM sesion vpbui4 5 PB31 SPISEL_n LCD_A PIS lt SPISEL_n PB30 SPICLK Ba SILK Attach GND and T Jiz PB29 SPIMOSI Ts lt SPIMOSI tac ani 2 vooms MPC823 PB28 SPIMISO m SPIMISO VSSSYN at a Y gt VDDH19 PB27 I2CSDA BRGO1 12 lt I2CSDA single point the monster PB26 I2CSCL BRGO2 ar Dest VDDH21 PB25 SMTXD1 T lt SMTXD1 VDDH22 PB24 SMRXDI gt SMRXD1 VDDH23 PB23 SMSYN1_n SDACK1_n lt SDACK1_n M6 MPC823ZC R9 7 VDDH24 PB22 SMSYN2_n SDACK2_n w SDACK2_n VDDH25 PB19 L1ST1 LCD_B lt PB19 rue VDDH26 PB18 RTS2_n L1ST2 m lt ms mo PB17 LIST3 LCD C es lt PB17 VDDH28 16 11 115 4 6 ODE 4 MU lt M12 R16 VDDH30 PC15 DREQ1_n L1ST5 lt
19. Part Description 620403 FLAT TIE HOLDER 620432 ATLAS MONITOR CALIBRATION CERT 620494 501 ATLAS FAN KIT 620530 D CONN LOCATOR NELLCOR MP506 620531 CABLE ASSY NELLCOR MP506 SEN 620532 NELLCOR MP506 SPO2 PCB 761077 1 WIRE TIE Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 115 Appendix B Repair Parts List Table B 2 Atlas 621NP repair parts Part Description 620001 503 MAIN PCB ASSY LOW END 620004 502 ATLAS CPU PCB ASSY 620007 501 FRONT PANEL DISPLAY PCB ASSY 620013 502 PRINTER PCB 620038 NELLCOR LABEL CARTON 6200 43E SERVICE MANUAL ATLAS 620089 BATTERY 3V LITHIUM 620105 3 BATTERY DOOR 620117 PRINTER DOOR BUTTON 620119 LATCH 5 2 620125 501 MAIN CASE HANDLE SET 620126 4 BEZEL SET HEAT TRANSFER 620131 1 MAIN FOAM 620132 2 TOP FOAM 620133 BP FOAM 620134 501 GEAR ASSY 620138 501 PRINTER DOOR ASSY 620139 501 PRINTER FRAME ASSE 620140 501 MAIN PRINTER ASSY 620140 502 PRINTER ASSY W STATIC BAG 620141 METAL HOUSING TOP 620142 1 METAL HOUSING BOTTOM LG 620144 BRACKET 5 2 620150 1 AC DC POWER SUPPLY 620156 PUMP 620157 STEPPER VALVE 620158 CHECK VALVE 620163 CABLE ASSY PUMP PNEUMATIC VLV 620165 CABLE CONN TO MAIN BD ECG 620167 CABLE MAIN BD TO DISPLAY BD 620168 2 CABLE ASSY POWER SUPPLY 620170 CABLE ASSY NELLCOR 620171 CABLE ASSY SPEAKER 116 Welc
20. amp U204A is used to level shift the output of the transducer such that the nominal volt age for OmmHg is set to 0 75V The CPU monitors the digitized zero pressure voltage and any offset is corrected This correction comes from the summation of an error correction sig nal through op amp U204B The CPU will output a pulse width modulated signal at 76 8KHz This signal is RC filtered to provide ad DC voltage at U204 5 This signal can adjust the offset seen at the A D converter by 20mmHg 88 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A cs L202 047uF Primary d Bead Transducer S OmmHG 0 5V P201 pwr 300mmHG 4 0V als 0282 047uF R236 Ke 3 83K i R212 56 2K 2 LI P2010ut 5 7 P 12V Co09 C206 RR 047uF Comp 6 P201 6 047uF P201 C227 XFPM 050KPGR P1 680pF x Soe R219 U2043_ 1 96K SA NL 2 1 EM gt PrimaryPres U204A MC34072 C228 047uF y R213 Zero Adjust 237 NA 217 R244 20mmHg range 4 21 5K R214 R216 d 10K 19 6K NIBP Offset DAC gt gt EE 02045 ST PWM D A 6 TOSS 100K _ 2 208 02048 1uF 1uF MC34072 SA Ee P 75V Figure A 12 Primary transducer amplifier Safety Transducer Amplifier The safety transducer is compensated for temperature drift but gain and zero are n
21. 1 214 1 Ag et 5 anos NYS I I an Oo 2255 p Whd 13838 2048 a 55 ILU T TP 4 WMd dN S HE lt gt lt gt nd a nox gt anos lor 1074 Uy 52 E Er AW13 2L9vLNOO 7 E ANNOYS lt gt 2 anos 5 2 2 2 anay 1 amp Sm AL34VS d8IN 1 99 COFd 27 4 421 2 Le lc Wid Em 5 8 ae oa u o s 2074 zorr 4 lt 5 ES mW X e m xu s Se 5 2 3 55 l ANNOYS gt gt o gt HA ES SEE 5 1 o we 2 5 8 et st ss z lt 5 Ge Sr E a lt o lt aa 5 L EI 55 55 ul 8 zz zz ul b Lado AV138 119V1NOO 1 SS aa jo ni HOIH Q3N 19PON EE S ei 1987 E of lt zm o Es OC c anos ri ac Li PE 910AS OSI n BEE o anos ai annows o bats Ka EE ac anos D 6 aaa nyo 6 1300 300812 lt gt HOLIMS dYNL U31VM Ages for 12 9 8 oN Lu E 5 jus N lt lt g31 tb qs 1 2045 avoy st 1HW 9 1134 a 7 5 00 u1019J 1 280 GNNOYD 9 A 2 80123130 3dONV o gt 2 ns lt gt 011H9130
22. R327 MBRS340T3 3 3V 1 4Amp ass on 3 3V linear RES oN E22 a e AG sV tuse 3 E 2 Q308d 53194 0307 regulators 1306 C340 Bead C337 C318 047uF 047uF 330uF cais _ css 08 9 0306 1000uF ZT 047uF MBRS340T3 R326 7 10 R328 R329 MMBT3904L 1K 1K 3 2 Dome R318 0305 10K w BAV99L R331 13035 047uF 05 6 R325 3 1 96K 33 2K w R319 wa 19 6K lt r usos R330 UC3843A 33 2K sv 8 SE 8T 1306 m m z U303 cp 1 5 24 m 5 SOME 8 R323 196K 8 3 U305B 14 5 0306 MC34072 Goen 2MMBT3904L E Co C320 R332 047uF 7 5K 7 R320 6 OtuF 19 6K U305 pwr p lt Ret Batcharge Current Limit 1 5 Amp oe 0308 BAV99L 2200pF 27 4K 112 R333 U303 ct 1 2 4 4 1 19 6K 3 304 3 U304A R322 el MC34072 C322 4 gt gt gt Ref Batcharge R343 R339 C321 R334 Wa K Du 1 lt Ref Batcharge Zs R335 4 32K R340 10K 6 U304 6 5 03044 MJ MMBT39068 843 1 D309 BAV7OL U3048 MC34072 Float Voltage g AC 12V fuse Q310 2MMBT3904L Figure A 8 Battery charging Linear Regulators 5VDC and 3 3VDC A series pass 5V regulator is built using transistor 0312 and amp U305A 5V reference from U302 PWM IC is used as the control vo
23. e 91 Ee aun anka Y yN Ed 92 Figure A 17 Vertical amplifier 93 Figure A 18 Horizontal amplifier grid voltage circuit 2 95 Figure A 19 Video amplifier circuit beo eee YY y rare Wn EE 96 Figure A 20 Recorder power supply circuit EE 97 Figure A 22 Print head temperature circuit entere ne tenuia 98 Figure A 23 Patient isolation 99 Figure A 24 Model 621 line regulation and filtering 0 99 Figure A 25 Model 622 623 line regulation and filtering eee 100 Ingure A 26 A D inat ASSETS EERU ARAKERE EE TEATERN 101 Figure A 27 EE 102 Figure A 28 Serial communication e e espero n HY spi Pro Feo epi YG ENS 104 Figure A 29 Defib protect and RFI filtering circuit eene nnne 105 Figure A 30 Input buffer circuit tered steven 105 Figure A31 Lead EE 106 Figure A 32 Differential amp slew rate amp circuit eere 107 Figure A 33 Right leg drive circuit eb eege 107 Figure A 34 High pass and gain stage circuit ese 108 Figure A 35 Temperature amplifier d se 108 Figure A 36 Respiration drive circuit
24. sod m lt o 2 CH xa t 1 7 13s3 z04 O IN aay 2 Jou 011 i ea 12 Ww 80123130 30ONV ED sp ll 2 x m rNUO anos dr d Lagu 2 ior OL x 20913 No a wat lat 01341 20213 lt gt EL 3 Ga Ee ac lt gt 5 8 D gt 3 o o Lu ra lt gt m d no 4 m 5 Sle am o x o s 5 o gt gt 25 2222 cd TE 2 5828 lt ib 2266 FPR eC NN 8 o Ww ba gt M S a o o punos E El sl x asy D e Tm y Hd 5 L J e x 5 3svud o lt x z asvHa o 2 zo oa o I 35 4 FF Lo m m ntm 2 BaS a ac gt i Ud Gr Fa e lt x am Hae 2 Sz m ated z 252252 lt lt EE me ere wwe dN9 29u cz m c5 ir QN9 2 3 22 T a 9 229 iz ET 489 298 o t 2262 5 Cc 11 24 gi vl N H21v1 031 eeese el SE Agen 9 annoys N90 228 ci aa Agen ol NO 031 al HOLIMS Ave ESCH 6 431 1 Sl HOLIMS Av2
25. TP335 2 14 A i 1 19 6K 1 gt N N 43 U304 3 Batt 5 U304A R352 C333 R322 m MC34072 C322 5 11K a 047uF 10K 047uF gt acon AW 412V R341 I 10K E R353 TP340 Lo gt gt Ref Batcharge AC 12V fuse TP339 5 11K R342 R343 3 2 Si 4d BattCurrent Batt fb TP341 TP342 R339 321 R334 19 6K 10K Ly 19 6K O1uF 19 6K 0309 1 R33922 D __ Ref Batcharge E 2 TP343 2 _ 0314 R354 R355 JE TP345 R335 TP346 5 11K 147K C334 1356 ag PS 2N7002 Marie Ibatt 0 BattCurr 0 74V R340 en 347 Lt B T ok F UE Ibatt 1 5 BattCurr 2 87V 93047 E 0309 Ar 1 15 U304 5 Q309 3 BAV7OL 45V U304B R336 TP348 RT301 MC34072 5 7 5K 10K R337 INAN a 0310 350 Float Voltage ees dn Welch Allyn Inc WN 10K Q Initial Date AC 12V fi n 1 310 use Bat Adj MMBT3904L Drawn Schematic 620017 dsn Kai Rick Myers Mar 5 1999 R338 8 A Designed 2 Rick Myers Mar 5 1999 Title ee DC DC Power Supplies R345 Checked mS 10K KS L Phillips 3 16 99 Approved Size Document Number Rev Z Psenicnik 3 16 99 c 620017 G Release For Production 2 Bello 3 16 99 Date Monday November 04 2002 Sheet 3 of 8 A B D E Figure D 22 DC DC power supply Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 168
26. 13 SZ RecGND gt 23 24 lt Rec GND E PIC Dat Clkin Osc1 RB5 RBO D d oo CON24A 3 12 9 On Off Key gt Clkout Osc2 RB4 RBI R25 SZ YY K D D 4 11 121 S R19 Front Panel Key Vpp MCLR RB3 jade Tl SE Welch Allyn Inc u Q gt y Ts 60 TP26 T Drawn Schematic 620017 dsn 9 PlC audio R5 Rick Myers Mar 5 1999 i owof lt lt 19 6K ZT 30u Q047uF Designed p93 U2 Clk Rick Myers Mar 5 1999 Title ULReet lt lt 7 e Main Board Model 220 Ms To U2 L 220pF L Phillips 3 16 99 0620361 10000 Approved Size Document Number Rev Rec GND Z Psenicnik 3 16 99 TP16 c 620017 G Release For Production J Bello 3 16 99 Date Monday August 05 2002 Sheet 1 of 8 A B D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Figure D 20 Model 220 main board 166
27. 8346 U306 AI IM 4 EL D 100 R348 LF33CV eis v L306 10K E 3 E C340 Bead C337 C38 a C324 R347 AN our 1 047uF oF T 330uF C319 338 1000pF 10K xcd e D306 1000uF ZZ 047uF TP317 C328 C329 C330 308 T gt C324 2 1 MBRS340T3 TP318 047uF a 100 047uF R326 TP319 0307 10 R328 R329 MMBT3904L 1K 1K a DE 5 lt 3 2 TP320 inear D Kaz 307 gt n 2 2 R318 17324 D305 TP321 TP322 Low 2 gt TP323 R349 10K o C314 1 BAV99L R331 Dropout T 10K AAA U303 fb MDF 10305 6 43 0305 3 lt lt svref 325 U305A 1 1 96K 33 2K MC34072 XZ C326 R350 out 2 R319 S 303 R330 10K 19 6K UC3843A TP326 33 2K 0311 TP351 EE gt lt E BAV7OL gt uS los Y a 306 c mat 5 7 1 _ ex U303 cp aie 5 U305 5 5 NF mm 2 U305B 3 14 our 10 8 Q306 MC34072 Ee 2 18 MMBT3904L 2 TP328 4 AC 12V fuse ER D Gisy foes R320 lt gt S TP330 C320 R332 047uF 75K 7 5 329 up 19 6K SENSE 0303 5 F U305 pwr a o S ngre 3042 lt Ref Batcharge Current Limit o TP332 0313 1 5 Am ym p R351 ND TP334 C316 R321 D308 BAV99L 8 5 11K F 2200pF 274K TP336 R333 TP337 3 2 P T 2 5 a Q313 d e BattVoltage Zils U303 ct
28. is the number of days from January 1 1998 until the present date See APPENDIX E for that number or calculate manually 24 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Service Section 2 Explanation of an Atlas Service Screen Service Mode Select a test Verify manometer Reset to factory defaults Battery test Calibrate CO2 CRT test pattern Printer test pattern LED test Button test Display A D channels A Ss Model 220 with printer Cal 27 Nov 2002 gt 5 62304064 Sw BB 025000 Boot AA 01 0000 5 2 506 V1 8 0 6 21 02 10 V3 00 2542 Cal 27 2002 14 Nov 2002 D Press the Trend button to exit Figure 2 6 Example and Explanation of an Atlas Service Screen Line A Indicates that the Atlas is a model 220 and that the Atlas has a printer If the Atlas did not have a printer then the text with printer would be absent The date field following indicates the date the Atlas was last calibrated Line B starts with a numeric sequence The first three digits are the model number of the Atlas The next five numbers are the Atlas serial number The next sequence alphanumeric indicates what software version is currently loaded into the Atlas The third sequence alphanumeric indicates what version boot software is currently loaded into the Atlas Line C starts with the SpO OEM board used in the Atlas There two SpO OEM boards used in the Atlas One is Nellcor a
29. puno29 ay 8 viva H viva ud pyneJ9 ll 1 el 2012 a 5450 298 0 3 vivd Aay 5 DEIKA 9912 5981 6 5 AS 380815 40115 29 g r N HOLV1 Aay gt D CO 820401 040g 298 A3M 33O NO 2 6 Lug 9 2 2010 433 8 annoys ER AS 1 annous 9 16 20 D HON 5 380815 uo Aiddng 20y 214 t 2 HOLSIWH3HL 1 YOLSINU3HL 2 HOLIMS Apz HOLIMS Av2 91 HOLIMS Ave CE HOLIMS Av2 SI viva 24 i 2012 oe HOLWT lt t 390915 as AS e QNnONO 6 gt annous SS o CY 1 aa 2 SE 8 ES 9 a a 380815 c5 c Eris ES Z YOLSIWYSHL v gt eo us m I YOLSINYSHL an lt S e 2 HOLIMS Av2 2 w e HOLIMS Av2 I a uo tae Ze Ce ana 7 gt gt 62 lt gt
30. um 5 O0 uF R701 C701 TP702 R703 703 U701A R705 31 6K 1000pF T 1 96K K 74HC74 TP723 245K U710 C701 2 RespDr 5 2 R725 N HCNW4503 Right Arm gt M D 2 15K 704 3 resp clk u710 6 8 2 PER 4 22pF 5 9 R706 3 6 215 0702 x EG 3 iso701 a E YY FE Pwr S MMBD1503A 100pF 5 e FE Pur Sync TP706 5 uL 2 SVA Se TP705 R702 C702 R704 lt Resp Off 31 6K 1000pF 1 96K C702 2 D702 3 RespDr Left Arm M GA R724 TP707 22pF 196K T d705 c NU gt Resp DC E C720 L 0474 0703 N MMBD1503A irati Respiration TP710 Z TP708 Dit Amp C706 R707 0705 B W 06Hz to 16 Hz Gain 1000 330pF 1 96K a TP709 R726 727 R727 TP725 MMBD354LT1 706 1 0702 3 3 316K BW 1 U702 1 1 A D705 1 1 cna R720 TP712 10Hz 2 3 3uF 100K P U702A TP726 3 Resp AC 9703 5 5 4 e 1072 R711 7 SS AR R709 178K 2 6 P 464K gt U703B Wee R717 R718 R719 EREE E AD712 0702 2 m 316K cm 825K 51 1K NK O 1uF 715 724 R716 5 AN R721 En R712 5 2 3 16K 3 16K Q7o1 d NK fVee 316K 2 19 6K 1 U703 6 3 E E I cynn TP717 i X TP711 722 1 U704A cl lt gt m n AD712 Des e R722 1 722 5 a Q701 3 316 0 Ly 5 MMBF4393L 714 fVcc 5 6 _ 047uF 0702 6 TP722 Set uj D704 5 v E MMBD1503A R713 U704B o N N 2 lee 178K 5 2 AD712 D706 MMB
31. 4 AND SHALL NOT REPRODUCED OR ED OR USED AS A BASIS FOR MANUFACTU RE i a EC ORSALE OF EQUIPMENT OR DEVICES WITH OUT WRITTEN PERMISSION DRAWN DATE Z Z D T d JBENGEL Welch 1 ENDS OF TUBING TO BE FLUSH BAR B FLANGES H APPROVED DATE MATERIAL PAN ZIP 4 15 99 LDER WIRE FROM ITEM 4 TO PUMP TERMINALS USING SOLDER ITEM 13 REL TO PROD DATE FINISH J BELLO 4 15 99 ACH FAST ONS FROM ITEM 4 mE PNEUMATIC SUB ASSY Dn ORIENTATION HOLES FACI NG UP AS NOTED CAD SOFTWARE PROE TRANSLATED FROM ME 10 DRAWING NO REV UNLESS OTHERWISE SPECIFIED Z Map INTAKE ORIENTATION TUBE ON TOP SIDE AS NOTED ee Ge H 620187 B XX 02 ARE IN XXX INCHES ANGLES mt SCALE NONE tof 1 185 Figure D 39 200 210 220 Pneumatic sub assy REV DESCRIPTION ECN ECO INIT DATE CKD A RELEASE TO PRODUCTION 5 39928 JRS 17 2 99 TW B CHANGE DIODE VENDOR 5 44091 RLB 1 22 02 4 75 12 3 75 12 3784 12 73412 NOTE CATHODE SINGLE LOOP ALL WIRES ORIENTATION THROUGH FERRITE PIN 1 2 2 3 3 4 4 PIN 1 1 10 CLEAR HEAT SHRINK 1 9 DIODEVISHAY TELEFUNKEN P N IN4148 8 FAIR RITE P N 2643801902 7 SHRINK TUBE 6 WIRE 22GA YELLOW 1 5 WIRE 22GA ORANGE 4 WIRE 22GA RED 3 WIRE 22GA BROWN 8 2 CONTACTS MOLEX 08 5 0 0113 NOTES 2 1 4PINCONNECTOR MOL EX 22 01 3047 QTY ITEM DESCRI
32. 73 2K lt US01 U602 3 3 MMBT3904L a gt 2 aye U602 8606 LM311 U604D N 611 n U601A 3 48K YI 74HCTO4 lt 6 9 GN Ee e lt TP617 R603 MC34072 4 R610 610 O 46 4K 511 HCNW4503 630 U601 2 8 iso601 a 2 8 C601 Wee y O 626 fVee gt R624 gt 1 10 _ PWM 5 6 10 9604 10 619 gt ENSE 6106 _ A 4 FE PWM ADC i R604 1000 3 D 10K ND h 5 5 1K Converter __ __ U604E 26012 2 A 1i C633 74HCT04 NEN N N 55 100 TP620 Vt 5 0601 M 7 MMBD1503A E U601B MC34072 Nee U601 7 52uSec Integrator f 5V T Input 781uSec U604 10 V Comparator 13 12 Inputs Analog In U604F 74HCT04 7 1 PWM Out U604 8 Welch Allyn Inc Initial Date PWM timer Drawn o Schematic 620002 dsn Rick Myers 3 05 99 Designed 5 08 85 Title ECG A D and Interface Checked LPhillips 3 16 99 Approved Size Rev Z Psenicnik 3 16 99 Document Number 620002 F Release For Production J Bello 3 17 99 Date Monday August 05 2002 Sheet 6 of 6 A B c D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 152 Figure D 6 Atlas ECG A D interface
33. Appendix E Calibration Date Table Calibration Date Number of Days Calibration Date Number of Days 4 7 2007 3383 5 18 2007 3424 4 8 2007 3384 5 19 2007 3425 4 9 2007 3385 5 20 2007 3426 4 10 2007 3386 5 21 2007 3427 4 11 2007 3387 5 22 2007 3428 4 12 2007 3388 5 23 2007 3429 4 13 2007 3389 5 24 2007 3430 4 14 2007 3390 5 25 2007 3431 4 15 2007 3391 5 26 2007 3432 4 16 2007 3392 5 27 2007 3433 4 17 2007 3393 5 28 2007 3434 4 18 2007 3394 5 29 2007 3435 4 19 2007 3395 5 30 2007 3436 4 20 2007 3396 5 31 2007 3437 4 21 2007 3397 6 1 2007 3438 4 22 2007 3398 6 2 2007 3439 4 23 2007 3399 6 3 2007 3440 4 24 2007 3400 6 4 2007 3441 4 25 2007 3401 6 5 2007 3442 4 26 2007 3402 6 6 2007 3443 4 27 2007 3403 6 7 2007 3444 4 28 2007 3404 6 8 2007 3445 4 29 2007 3405 6 9 2007 3446 4 30 2007 3406 6 10 2007 3447 5 1 2007 3407 6 11 2007 3448 5 2 2007 3408 6 12 2007 3449 5 3 2007 3409 6 13 2007 3450 5 4 2007 3410 6 14 2007 3451 5 5 2007 3411 6 15 2007 3452 5 6 2007 3412 6 16 2007 3453 5 7 2007 3413 6 17 2007 3454 5 8 2007 3414 6 18 2007 3455 5 9 2007 3415 6 19 2007 3456 5 10 2007 3416 6 20 2007 3457 5 11 2007 3417 6 21 2007 3458 5 12 2007 3418 6 22 2007 3459 5 13 2007 3419 6 23 2007 3460 5 14 2007 3420 6 24 2007 3461 5 15 2007 3421 6 25 2007 3462 5 16 2007 3422 6 26 2007 3463 5 17 2007 3423 6 27 2007 3464 206 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Calibration Date Table Appendix E Calibration Date Number of Days
34. COMP T L E C304 2l ican R307 100uF R302 UIN 4 64K 1 96K mM el p302 c R303 R304 51 1K 100K 3 0302 1 Q302 2 MMBT3904L _ css uF C42 E 047uF Vbackup d A R22 1 zi 10K Uto g pg 1 5 3 2 is PIC Data gt gt ClkIn Osci RB5 D On Off Key 3 pp H2 o Front Panel Key ueucnse npo H amp PIC CIk restock H 2 lt TES 6 pg 3 U2 Reset amp O RC3 Rc2 a To U2 D620361 MX10000 Figure A 6 Boost converter and off on switch 82 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A 12V Boost Converter The 12V boost circuit provides regulated 12VDC The input to the 12V converter is either battery or 12V from the AC DC converter The circuit is configured as a boost PWM using current mode feedback The PWM controller is UC3843A The controller includes internal 2 5V 2 reference and an external 5V 2 reference Nominal output voltage for the boost converter is Vout 2 5V 1 173 8K 4 64K 12 1V The UC3843A requires 8 5V minimum to power on The maximum voltage allowed on the switching transistor Q305 is 15V To meet both these requirements the UC3843A is pow ered from 12 9V 18V 5 1V zener diode D303 When operating from battery the converter will run at duty cycles over 50 which requi
35. 620158 CHECK VALVE 620163 CABLE ASSY PUMP PNEUMATIC VLV 620165 CABLE CONN TO MAIN BD ECG 620167 CABLE MAIN BD TO DISPLAY BD 620168 2 CABLE ASSY POWER SUPPLY 620170 CABLE ASSY NELLCOR 620171 CABLE ASSY SPEAKER 620172 2 CABLE ASSY AC 620173 CABLE TEMP SENSOR TO MAIN BD 620175 CABLE ASSY FAN 620178 CABLE ASSY 5 02 620181 2 LABEL BOTTOM MID END 620182 LABEL RS232 124 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Repair Parts Lists Table B 5 Atlas 622N0 repair parts Part Description 620187 501 PNEUMATIC SUB ASSY 620189 4 20 X 5 16 SLT TORX PN PL ZIN 620192 1 PNEUMATIC CONNECTOR 620193 NUT HEX 5 16 32 X 095 PNEUM 620194 WASHER FLT 33 X 62 X 049 PNEUM 620197 BUSHING SPLIT NYLON 620198 FOOT 620200 501 CRT SUB ASY 620205 4 40 X 31 TX PN MC ST ZN 620214 1 TUBING SILICONE 1 16 50 620215 1 TUBING SILICONE 1 8 X1 00 620215 2 TUBING SILICONE 1 8 X 2 125 620215 3 TUBING SILICONE 1 8 X 7 50 620215 4 TUBING SILICONE 1 8 X 750 620216 FITTING Y 1 8 X 1 8 X 1 8 620217 FITTING 1 8 X 1 16X 1 8 620377 1 NELLCOR WORKS HERE LABEL 620377 2 NELLCOR PATENT LABEL 620378 1 ATLAS KEYPAD BP START CANCEL 620378 2 ATLAS KEYPAD TREND LEAD PRINT 620378 3 ATLAS KEYPAD SP02 CLOCK POWER 620378 4 ATLAS KEYPAD 4 ALARMS 620378 5 ATLAS KEYPAD SILENCE ALARM 620378 6 A
36. 620532 NELLCOR MP506 SPO2 PCB 623NP ACCKT ATLAS ACC KIT HIGH NEL W PRNT 761077 1 WIRE TIE 138 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Repair Parts Lists Table B 10 Atlas 623SP repair parts Part Description 620004 502 ATLAS CPU PCB ASSY 620007 501 FRONT PANEL DISPLAY PCB ASSY 620013 502 PRINTER PCB 620016 503 MAIN PCB ASSY MID HIGH END 620032 1 ETCO2 PCB ASSY 620034 ETCO2 CONNECTOR amp CABLE 6200 43E SERVICE MANUAL ATLAS 620105 3 BATTERY DOOR 620117 PRINTER DOOR BUTTON 620119 LATCH SPO2 620125 501 MAIN CASE HANDLE SET 620126 6 BEZEL SET HIGH HEAT TRANSFER 620131 1 MAIN FOAM 620132 2 TOP FOAM 620133 BP FOAM 620134 501 GEAR ASSY 620138 501 PRINTER DOOR ASSY 620139 501 PRINTER FRAME ASSE 620140 501 MAIN PRINTER ASSY 620140 502 PRINTER ASSY W STATIC BAG 620141 METAL HOUSING TOP 620142 1 METAL HOUSING BOTTOM LG 620143 NUT TEMPERATURE 620144 BRACKET SPO2 620148 GASKET 2 EXHAUST 620149 FITTING 1 16 X 1 8 27 NPT 620150 1 AC DC POWER SUPPLY 620156 PUMP 620157 STEPPER VALVE 620158 CHECK VALVE 620163 CABLE ASSY PUMP PNEUMATIC VLV 620165 CABLE CONN TO MAIN BD ECG 620167 CABLE MAIN BD TO DISPLAY BD Service Manual 6200 43E Rev D Appendix B Welch Allyn Atlas Monitor 139 Appendix B 140 Welch Allyn Atlas Monitor Repair Parts List Table B 1
37. Calibration Date Index Table YF Y Y Y SC Fy yd RH 187 Appendix F Serial Number Cut in History 211 Appendix G Atlas Calibration and Functional Test Form 213 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor v List of Figures Figure 1 1 623xP Main Menu Architecture cert ge terr ei ei re teeth 6 Figure 1 2 622xP Main Menu Axchitecture eco redegit eed re e rave 7 Figure 1 3 621xP Main Menu Architecture evo Lar ree O OF 8 Figure 1 4 Atlas System Block Diagram n ee 9 Figure 2 1 Example of a new HyperTerminal connection eee 15 Figure 2 2 Choosing in HyperTerminal n 15 Figure 2 3 HyperTerminal Port Settings 16 Figure 2 4 Photo of Atlas BP calibration 17 Figure 2 5 Example of calibration setup nn 21 Figure 2 6 Example and Explanation of an Atlas Service Screen 25 Figure 2 7 Pangea prompt in HyperTerminal nn 29 Figure 2 8 Choosing Send Text File in HyperTerminal 29 Figure 2 9 Choosing directory where files are stored A 30 Figure 2 10 Choosing tbe nvram_cal_init txt file reo raa ps 30 Figure 2 11 Pangea screen after opening the nvram cal init txt
38. GY eege 109 Figure A 37 Respiration diff amp circuit 110 Figure A 38 Gain and filter circuit eb ew 110 Figure C 1 Atlas Interconnect Diagram see y WY FM YW 145 Figure D 1 Atlas model 200 main boatrd NO Y OF FC FO 147 Figure D 2 Atlas model 200 NIBP 1 148 Figure D 3 Atlas model 200 power 1 eere eee eene etn nnne 149 Figure D 4 Atlas Power isolation SpO 1 150 Figure D 5 Atlas model 200 EGG amp ee ree p O NAF 151 Figure D 6 Atlas ECG A D interface nn sss 152 Figure D 7 D E 153 Figure D 8 Atlas E 154 Figure D 9 Atlas 200 210 220 I O 155 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor vii Figure D 10 Figure D 11 Figure D 12 Figure D 13 Figure D 14 Figure D 15 Figure D 16 Figure D 17 Figure D 18 Figure D 19 Figure D 20 Figure D 21 Figure D 22 Figure D 23 Figure D 24 Figure D 25 Figure D 26 Figure D 27 Figure D 28 Figure D 29 Figure D 30 Figure D 31 Figure D 32 Figure D 33 Figure D 34 Figure D 35 Figure D 36 Figure D 37 Figure D 38 Figure D 39 Figure D 40 viii Welch Allyn Atlas Monitor Fla
39. LUN GAN Fo EL Bags nia 11 Table 2 2 Tools Required for Service n 13 Table 2 3 Software Revision Table o ense Oe Fit pe col que vat CF 26 Table 2 4 Files needed to download language s 33 Table 3 1 Transducer pressure table n 41 Table 3 2 Resistor and temperature reference n ns 45 Table 3 3 Atlas failure trouble shooting nsn 56 Table 3 4 Atlas failure trouble shooting n 57 Table 3 5 Atlas failure trouble shooting nn tene UUN Ynn AR 58 Table 3 6 Atlas failure trouble shooting retener nere oen 59 Table 3 7 Atlas failure trouble shooting 60 Table 3 8 Atlas failure trouble shooting ns 61 Table A 1 Temperature coefficient n nn nsn 84 Table B 1 Atlas 621N0 repair 113 Table B 2 Atlas 621NP repair E E 116 Table B 3 Atlas 62150 repair parts t tart ebrei 119 Table B 4 Atlas 621SP Darts ver 121 Table B 5 Atlas 622N0 repair parts ee 124 Table B 6 Atlas 622NP repair parts 127 Table B Z Atlas 622S0 repair aqna bina bars 130 Table B 8 Atlas 622SP repair patrts 133 Tabl
40. Lead Select 1 N Y 2 by connector Print S R66 121 vec vec rein Print a AC On x AC On LEDs Key data b ls Key Data b 5 Silence Switch 1 2 ACLED 2 1 NZ a2 A 5 C9 C27 flex cable 5 flex cable 5 LA NA 67 121K D2 Front Panel A vec Tur fur 1 2 5x5 Green TP182 R68 1 21K lt x R71 n U26 100 Key Clock 2 18 u26 18 FP Common C 1A1 1Y1 jo 3 Key Latch n f 4 e e 16 Key Latch b gt Key Data 6 14 3 E LED Data 2 8 1 12 LED Data b bs LED Enable 11 9 u26 9 D 2A1 2Y1 ys e 13 5 bya EI u26 7 2 LED Latch n 15 as 332 4159 LED Latch 1 R51 d 17 3 LED Latch 2 2A4 2Y4 316 HEADER 7X2 1 Ft 16 5 26 On Led V R1 74HC244 2 2K x D13 1705144 NA T1 3mm Green x LED_TP_Enable On Standby 209 eee lt TPS 872 LED Data In vec 100 mM NU EVA M Silence Button LED_TP_Latch Break Away PCB D LED TP Data Out Section UID 2 15K D10 Vcc Front Panel B 2 e D10 x 1 A LED TP enable TP2 D10 C 2 11 1 4 u19 out 74HC04 74HC04 T1 3mm Red NIBP LED Circuits i J3xA Silence LED UIE i e Me LED Enobi SiencelED Silence LED 2 N 11 10 keier Silence Switch E bes Sil Sw a py ii 3 4 LED enable TP3 TP184 R73 iM gt LED_NIBP_Data_In 4 gt E 100 E 9 sw22 Clock3 Sil Sw b 1 2 2 TACOS en OJ 74HC04 LED_NIBP_Latch N fl
41. MMDF2N02E R242 2 bym bes 4 10K FU H e Q202 G R240 10K 3 Q201 B 1 R243 NIBP Safety gt 2 100K D dion 201 202 Valve 1 R241 MMBT3904L BAV99L Valve 5 10K Pump 1 Pump 5 5 CH 203 MMDF2N02E NIBP Valve Close gt lt NIBP Pump On R247 1K Figure A 15 Pump relay circuit Note Model 621 uses a single Mosfet for transistor Q202 with the drain connected to 6V and the source connected to nets Pump and Valve through a series diode Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 91 Appendix A Theory of Operation CRT Deflection Board Overview Atlas uses a 5 inch monochrome CRT display This CRT will display Waveform Data ECG and Respiration or SpO2 or ETCO plus Text Data Heart Rate Alarm Values Trend Data setup and service menus The CRT Deflection board performs the following functions 1 Vertical Deflection 2 Horizontal Deflection 3 CRT Grid Voltages 4 Video Amplifier CRT Deflection is magnetic vertical and horizontal deflection is controlled by regulating current through the vertical and horizontal coils of the CRT Yoke The Deflection board is designed to the following specifications Resolution VGA 640X480 Dot Clock 39 7nSec 1 25 175Mhz Display Size 100mm Horizontal X 68mm Vertical Vertical Scan Rate 60Hz Reset Time 750uSec Blanking Time 1 2mSec Horizontal Scan Rate 31 5Khz Reset Time 5uSec Blanking Time 5 7
42. Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 1 Section 1 Help Information General Information To assure correct operation and performance all service and repairs must be performed by fully trained and properly equipped personnel using genuine replacement parts and correct procedures Failure to do so will also invalidate the product warranty Welch Allyn Inc State Street Plant Corporate Headquarters 4341 State Street Road Skaneateles Falls NY 13153 0220 USA tel 1 800 535 6663 315 685 4100 fax 315 685 3361 www welchallyn com medical support tech Welch Allyn GMBH Zollerstrasse 2 4 72417 Jungingen Germany tel 011 49 7477 927186 fax 011 49 7477 927193 Welch Allyn UK Ltd St Georges House Vernon Gate Derby England DEI 100 tel 011 44 01332 206208 fax 011 44 01332 206209 mob 011 44 0467 301814 Welch Allyn Singapore Ltd 300 Beach Road 25 08 The Concourse Singapore 199589 Singapore tel 011 65 291 0882 fax 011 65 291 5780 Welch Allyn Japan K K Bon Marusan 8F 3 5 1 Kanda Jinbo Cho Chiyoda Ku Tokyo 101 0051 Japan tel 011 813 5212 7391 fax 011 813 3261 7372 2 Welch Allyn Atlas Monitor MD International 11300 N W 41st Street Miami FL 33178 USA tel 305 669 9003 fax 305 669 1971 Welch Allyn France SARL 814 rue Charles de Gaulle 77100 Mareuil les Meaux France tel 011 33 1 6009 3366 Fax 011 33 1 6009 6797 Welch Allyn Australia Pty
43. The Metro Centre Unit 5 38 46 South Street Rydalmere NSW 2116 Australia Postal address PO Box 132 Rydalmere NSW 1701 Australia tel 011 612 9638 3000 fax 011 612 9638 3500 China Service Center Room 708 Central Plaza No 277 Huang Pi Bei Rd Huang Pi District Shanghai 200003 China tel 011 86 21 63279631 fax 011 86 21 63279632 Service Manual 6200 43E Rev D General Information Section 1 Agency Approvals ETL Listed UL2601 1 CSA C22 2 No 601 1 60601 1 AS 3200 1 IEC 60601 1 2 74227 The CE mark on this product indicates that it has been tested to and conforms with the provisions noted within the 89 336 ECC Electromagnetic Compatibility Directive Australia EMC Framework Compliance N344 Warning Cautions and Notes All operating and service personnel should be familiar with the general safety information in this summary Specific warnings and cautions will also be found throughout the opera tors manual Such specific warnings and cautions may not appear here in the summary 1 Defbrillator Proof Type CF Alllied Part Electrical Shock Hazard CAUTION Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 3 Section 1 General Information ATTENTION Consult accompanying document Handle With Care Storage Humidity Refer to technical specifications in operator s for more details 95 lt gt peo Storage temperature Refer to technical
44. gt s s 5 A e e m 14 115 330pF 6 8uF N lt c2 cna 114 68uF 33opr 6 7 2 EE DRAM decoupling caps VDDH S G8uF 100nF 330pF A 7 5 Oscillator 3 decoupling s ea ee E L C19 L C20 C21 C22 6 8uF cap 100nF 100nF 100nF 100nF C120 ch s M C128 A A A 100nF Dj MPC823 decoupling caps x Be 7 NL Q1 Base 1 Q1 5 E E HRESET 2 gt NL CT C2 Q8 r 029 G0 C31 632 6 8uF 100nF 100nF 100nF 100nF 100nF s s C130 R119 d NL NL P VDDH FPGA decoupling caps N 124 n gt VDDH KAPWR 1 58K a to CPU 32KHz zT ca 1642 R121 6 8uF 100nF 100nF 100nF 100nF 100nF Supply RF EMI Clock c lt HRESET n 5 4 4 Filters and Reset NL Circuits 12 4K 100K PORESET Input RF Suppression R122 R123 L3 Ferrite 120 U3 2 0V Ponp pi 2 1 Vbackup gt Input Reset n t lt PORESET n H 9 seeds g 40 C38 Ge T c118 SS 119 100nF 21 m AT C36 I gt C3 ELM 6 8uF 100nF 330pF 100nF 6 8uF 330pF s Welch Allyn Inc Initial Date Drawn Schematic 620005 dsn Jim Belesiu Mar 5 1999 Designed Jim Belesiu Mar 5 1999 Title z Y Power Distribution Clocks and Reset L Phillips 3 19 99 i Rev Approved Z P
45. 039 1 HOLE FOR WIRE LEADS NOTES 2 PURCHASE FROM OKEN SEIKO CO LTD INAGI TOKYO JAPAN 9 PART NUMBER 05 09 DC MOTOR POWER REGUIREMENTS RATED VOLTAGE 6 VDC CURRENT lt 500 mA MAX DURING PRESSURIZATION FROM 0 300 mmHg CSTANDARD VOLUME OF 500 cc LEAK RATE THE PUMP LEAK RATE WILL BE LESS THAN 15 mmHg IN 15 SECONDS 10 cc VOLUME PRESSURIZED TO 50 5 mmHg ATTACHED RE IN THE VOLUME MUST BE STABILIZED FOR A MINIMUM OF 20 SECONDS BEFORE CHED TO THE PUMP THE PUMP MUST BE RUN FOR A MINIMUM OF 75 SECONDS NG ATTACHED TO THE PRESSURIZED VOLUME PUMP UP SPEED MUST PRESSURIZE STANDARD VOLUME OF 500 cc TO 5 8 PSI 300 mmHg IN LESS THAN 10 SECONDS AT RATED POWER MAXIMUM PRESSURE 7 7 PSI 400 mmHg FOR see ONLY FLOW RATE 2 0 LITERS MINUTE AT NO LOAD I O LITERS MIN AT 3 9 PSI 200 mmHg NONCONDENS I NG C P N 620156 IS FOR USE BY SKANEATELES THE PART IS THE SAME AS 1685104 620156 PUMP 6 VDC 10 PSI 1685104 PUMP 6 VDC 10 PSI THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF WELCH ALLYN INC AND SHALL NOT BE REPRODUCED OR COPIED OR USED AS A BASIS FOR MANUFACTURE OR SALE OF EQUIPMENT OR DEVICES WITHOUT WRITTEN PERMISSION DRAWN DATE 0 APPROVED DATE MATERIAL PIERCE REL TO PROD DATE E MIETEN TITLE 41151989 PUMP PNEUMATIC CAD SOFTWARE PRO E 6 VDC 10 PSI TRANSLATED FROM UNLESS OTHERWISE SPECIFIED DRAWING NO TOLERANCES DIMENSIONS
46. 12V S VS C30 J6 Video VSync 55 E 047uF Video HS aar 3 K Serial IO Page8 3 Video Data I 2 1 12V 6 4 6 gt gt gt RS423Rx T monas Main PCA EE he ves Fan 1 96K 74HCTO4 2102 5 C6 63 RK 220pF Connector Z a Connector J5 J4 3 C39 O RS423Tx 1 x Ny 1 2 gt 3 D o El NIBP Safety 34 27154 U8B 433V 54 E NIBP PWM ADC 17 74HCTO4 CON2 N on 7 8 TP6 sc i 20 RS423 Tx A 1 NIBP OP 11 a 212 PIC Data 433V C29 2 6 gt o PIC Data Ke 047uF ud a u EI RS423 Rx 07 047uF NurseCall ETCO2 Tx BL ass D SPO2 Tx AT24C02N 10SC 2 7 usc SZ ETCO2 Rx UT Og oq DIS SPO2 Rx R15 7AHCTO4 gt 2 194 20 20 ADC Clock i 5 EN 1 A 1 96K NIBP Data nou gt L FE Clock 6 2 WK 45V CO2 Board NIBP 15mmHg BJ 3 24 SPI Data Out 3 C40 LED Latch 254 d E 526 SPI Clock 51818 4716 luF C Vbackup Video HSync ZO mp Batt ID we Li _ U7 we onnector 5 Spare 3 29 rA 59 FE Data R23 R24 R8 45V 45V 3 Power Sync 31 32 Rec Motor Step 121K 121K 1 96K Qs D 1 Vbackup 33 2 34 gt Le NIBP Valve Close 35 32 36 PIC Clk b R16 s Video VSync 37 35 36 38 Speaker Audio 3 48 11 10 08 10 9 8 ETCO2 TX B 2 NIBP Offset DAC 7 38 Ug E SE 047uF al NIBP2 PW ADC U8E U8D CON4 acon 2 LM a 27 4 3 3V N 2 45V 74HCTO4 74 04 45 B 4 246 Video Data Key Latch n 47 45 46 4
47. 22NP BB 02 0000 4 4 01 01 0000 6 20 99 V 1 2 0 0 12 17 97 2 d o 9 22NP BB 02 2000 6 4 02 AA 01 0000 6 20 99 1 2 0 0 10 14 02 22NP 02 5000 10 14 02 01 0000 6 20 99 1 8 1 0 10 14 02 6238 01 4000 9 8 99 01 0000 6 20 99 O E V1 00 623SP 02 0000 4 4 01 AA 01 0000 6 20 99 O E V1 00 623SP BB 02 2000 6 4 02 01 0000 6 20 99 622SP 02 5000 10 14 02 01 0000 6 20 99 623NP AA 01 4000 9 8 99 AA 01 0000 6 20 99 V 1 2 0 0 12 17 97 o E V1 00 0 E V1 00 o 2 2 2 o gt gt o o M CO D D o o o o o aS o KA rating S 01 4000 02 5000 02 2000 02 0000 4 4 01 AA 01 0000 6 20 99 V 1 2 0 0 12 17 97 02 2000 6 4 02 AA 01 0000 6 20 99 V 1 2 0 0 12 17 97 BB 02 5000 10 14 02 01 0000 6 20 99 V 1 8 1 0 10 14 02 ystem 9 8 99 10 14 02 6 4 02 o No ISIS 2 2 7 9 26 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Service Section 2 Software Upgrade Procedure NOTE The following procedures are required to upgrade the software on a fully function ing Atlas or to reload software after replacing the CPU board The download utility atlas dl exe loads the following files automatically 1 atlas out gz 2 nvram common txt 3 nvram model
48. DREQ1 n us PC14 DREQ2 n RTS2 n LIST6 DREQ2 n VDL PC13 L1ST7 Ti lt Pcia t ne VDDL2 PC12 L1ROA LIST8 mo lt PC12 vobis PC11 USBRXP lt pci went e PC10 TGATE1_n USBRXN rci 4 2 PC9 CTS2 n lt 59 s8 E PC8 CD2 n TGATEI n K war lt pce CN m Eo NG 22 lt 4 9 PETAUSBIAP N6 5 5 gt 2 45 cs Ba295EABB5BA88 6 USBTXN PC6 KAPWR VDDSYN 25525555 SeS5 554555588 eae ES 2508 aa 25 PC5 L1TSYNCA SDACK1_n n lt pcs ges a o oo 5 EN B 88 42228222825 99 zs s2355853335 PCA LIRSYNCA pc oe am ep e a SH DD O RSR ZS Ias ek 55 ys 55555 5 5 5885552582555555222 sosg 2285885552555555555 2282 Sede FYSSSSS8S5 gg 22258253435326 666666666666666666 666666666666666666 2992 2255 PEBBE 55 O92942 29999989988 2 2 9 5 2 2 2 2 2 2 2 sISI ISI 1 1151212155235 SS 4 5 sle z o o o o rz r Zizlala 2 Z Z S 5 5151515 lt lt m lt a lt lt eo lt o 2 Ula a 2 amp 2 lt vIDEO 0 7 E 6 Field 2 T lt lt lt lt lt lt lt lt Sz
49. E Pac Foam Removal 69 Power Supply Removal s cv ee ee deeg 70 Power Supply Fuse Location 70 Fan Removal y Y YN O A WD YF A RA Cd Y CY NY 70 E Pac Removal LoM iT best rele dat nl DY O y 71 PCB Removal civ nerven to eie sees AYN Y h e SY 71 GET Removal aaa RG Y a Y eo RON 71 Display PCB Removal regret itd dd 72 Printer Door Button Removal EON TONES 73 Printer Assembly hocking Tab Release EE 73 Printer Positioning Slot Removal cce questione veteres etos een sene tust EEN 74 Printer Assembly Removal nsnsi 74 Printer Lip Assembly eene ere eeh Gaels 74 Printer Cable Routing Wii vno deer v ev be i 75 Appendix A Theory of Operation Power SUP DIY CIRCUS 77 Model 622 and Model 629 saa auras 80 ae eee 81 Battery Ray aA Ae a 84 IN EEN EE 87 CRT Deflechon BOSE ous eec aitov Sene ya haqayta FA AAA DO 92 Vertical Her FY CF o WEDYN brane 92 Recorder suu aS RF FFF RR E eie eta riai 96 Power Supply 24 SWIGODeE senescere eaa ecu abd FWY YW O GWN AND 96 Motor E 97 Patient
50. Respiration Diff Amp Topology Mods to U2 clock line Resp E gain amp ECG supply and 5 39936 LPP 7 9 99 LPP NVRAM pullup D801 Buffer for ETCO2 Nurse call relay BAV99L F Modify RLD to reduce V Lead noise 5 44461 LPP 3 26 02 JK Improve ESU rejection 7801 1 1 N N 2 SpO2 bypass 85232 PS mods Wi G AKV nurse call relay Improve CMR for Resp Toplogy 5 44857 LPP 7 18 02 JK 4 Isolated Supply 4 45505 215 T801 Serial 1 EE gp a Communication SEC D802 N T801 5 5 C BAV99L R P 5 4 2 T801 2 1 N N 2 lt gt H D R816 2 215 8 00 C813 C804 3 470pf 100uF U801 TP801 gt 815 1 MC34063AD 5V R801 EA Y 1 pe Le 07 4 XA 7 470pf D803 IPK 1 U801 1 BAV99L ISWC A 2 6 Vee IsoXfmr 2 T801 4 2 LA ISWE KITA gt gt RVee C801 3 z 5 U801 5 ps gt qx 5 s E R804 45V U805 511 lt 08056 6 1 U805 1 5 _ 4 I 5 WV R803 C806 R805 al EI 10K 5 out 3 16K 2 U805 2 2 1 R802 R821 4 25 5 11K 1Meg ee ki 8 ISO801 4 TP804 1 3 U806 TL431 SO m R806 3 16K Vpump M NA TP810 R R813 100 9802 6 1 Q802 K801 NurseCall E lt MMBT3904L relay JO1 5V 2 g802 e 1 oil Wi LP ES 5 S Coil 2 m s m R 5V RVcc M 2 de C808 C809 04uF 047uF R v R R 5V R 5V E TP806 Serial I O M M TP807 2 cas connector 047uF 8819 215 15 y
51. Three terminal linear regulators U302 and U303 are used to develop regulated 5V and 3V The regulators are powered by the output of the 6V PWM converter These regulators do not include a power down mode but the voltage will collapse as the input voltage shuts down U302 Figure A 4 Model 621 linear regulation Model 622 and Model 623 Atlas Model 622 and 623 can be powered either from AC or battery A 50W medical grade offline switcher provides 12VDC from a universal AC input 85VAC to 264VAC 50 60Hz The battery is a rechargeable 6 Volt 6 5 Amp Hour Sealed Lead Acid Battery and will pro vide about 1 5 hours on a fully charged battery Battery Life depends on usage especially printer usage NIBP cycles and CO2 operation The unit will operate from AC when the unit is plugged in and switches to battery opera tion when AC is removed The battery is automatically charged whenever AC is connected The following supplies are generated on the Atlas Main Board 12V DC CRT CO2 input to isolated power supply misc analog circuits 5V DC Front panel LED s misc logic 3 3V DC CPU board 3 3V Backup Real time clock and On Off circuits Battery Charger Charges SLA battery Note Additional electrically isolated supplies are generated for patient connected circuits 80 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A DC DC Circuits Block Diagram 9303 12V
52. U605 out e T TP623 TP624 TP628 8615 cem HCNW4503 0606 E 61K lt Sur 74HCT595 U604B 2 8 7 S 74HCT04 R626 74 i CR Sw RLD LA 15 14 ovt RD RA SER 1 10K 1 R620 4 B 4 Mux LdS C 9 1 0604 4 O 8 A 06126 6 619 SRCLK paw y gt Mux LdS B 3 gp RAR GR iso603 a lt lt FE Data Clock Mux LdS A AE chi 5 Mux A D C s ee al 2 Mux A D B EN p 220pF Mux A D A E 5 p Vt 19605 12 TP606 DVE iso 5Vdig 2 QH C637 __ 1000pF n ces 611 45V TP607 A SSES NA R628 lt TP629 17 L ow HCNW4503 T Es MD gt PW 608 10 WK N 2 15K B D VE gt U604C FM 5 mem lt wn A D Mux 74HCT04 R627 Awa U603 1 5 11K 4 R621 Le vRL ms U604 6 o 5 8 N 0611 6 6 25 f 1 24V 3 iso602 a vee lt lt FE ADC Clock 5 TP610 Ten me m 5 LA 42 V lt n met 15 R605 R607 VA V x E D VE 14 8 348K 464K An ECG gt gt 4 _ 3 x0 X 5 A Z gt KAZ i iso 5Vdig isot 5Vdig TP613 fcc TP614 S 5 R601 S 2 BE 608 2 C603 K TP615 U601 3 EN IE N tw NA 680pF gt S TP616 2 2 a v R602 O 7 9 8 1 0601 Ne gt
53. Verify that you hear the audio alarm that the visual alarm Check Blood Pressure Cuff appears in the lower left portion of the CRT and that the SYSTOLIC and DIASTOLIC LED displays are flashing 5 Press the BP ALARMS OFF button 6 Verify the audio alarm is silent the visual alarms have turned off and that the red LED in the BP ALARMS OFF button is lit 7 Press the BP ALARMS OFF button then press the BP START CANCEL button twice 8 Press BP START CANCEL button and let Atlas run without anything attached to the BP port 9 Verify at 60 seconds that you hear the audio alarm and that the visual alarm Check Blood Pressure Cuff appears in the lower left portion of the CRT and that the SYSOLIC and DIASTOLIC LED displays are flashing 10 Press the BP ALARMS OFF button 11 Verify the audio alarm is silent the visual alarms are still off and that the red LED in the BP ALARMS OFF button is lit 12 Press the BP ALARMS OFF button then press the BP START CANCEL button twice 13 Connect a BP simulator to the Atlas BP port Set the simulator for a normal reading 140 80 100 bpm normal sinus rythym 14 Press the right SELECT button twice and the current SYSTOLIC HI alarm value will be flashing 15 Press the SET button to set SYSTOLIC HI alarm to 130 16 Press BP START CANCEL button 17 Verify that you hear the audio alarm and that the numeric value in the SYSTOLIC LED display is flashing Service Manual 6200 43E Rev
54. and Nellcor probes with Nellcor SpO2 board Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 111 Repair Parts Lists Table B 1 Atlas 621N0 repair parts Part Description 620001 503 MAIN PCB ASSY LOW END 620004 502 ATLAS CPU PCB ASSY 620007 501 FRONT PANEL DISPLAY PCB ASSY 620038 NELLCOR LABEL CARTON 6200 43E SERVICE MANUAL ATLAS 620089 BATTERY 3V LITHIUM 620105 3 BATTERY DOOR 620119 LATCH SPO2 620125 502 CASE HANDLE SET W PANEL 620126 4 BEZEL SET HEAT TRANSFER 620131 1 MAIN FOAM 620132 2 TOP FOAM 620133 BP FOAM 620141 METAL HOUSING TOP 620142 1 METAL HOUSING BOTTOM LG 620144 BRACKET SPO2 620150 1 AC DC POWER SUPPLY 620156 PUMP 620157 STEPPER VALVE 620158 CHECK VALVE 620163 CABLE ASSY PUMP PNEUMATIC VLV 620165 CABLE CONN TO MAIN BD ECG 620167 CABLE MAIN BD TO DISPLAY BD 620168 2 CABLE ASSY POWER SUPPLY 620170 CABLE ASSY NELLCOR 620171 CABLE ASSY SPEAKER 620172 2 CABLE ASSY AC 620178 CABLE ASSY SP02 620181 1 LABEL BOTTOM LOW END 620187 501 SUB ASSY 620189 4 20 X 5 16 SLT TORX PN PL ZIN 620192 1 PNEUMATIC CONNECTOR 620193 NUT HEX 5 16 32 X 095 PNEUM Service Manual 6200 43E Rev D Appendix B Welch Allyn Atlas Monitor 113 Appendix B Repair Parts List Table B 1 Atlas 621N0 repair parts
55. in operator s manual for more details 0 o section in 5 manual Lead Acid Battery For disposal see maintenance 4 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D General Information Section 1 Product Model Number Structure 62150 1 ECG Nonin 5 NIBP 621SP E1 ECG Nonin SpO2 NIBP Printer 621N0 E1 ECG Nellcor SpO2 NIBP 621NP E1 ECG Nellcor SpO NIBP Printer 622S0 E1 ECG Nonin SpO NIBP Temp Respiration Battery RS232 622SP E1 EGG Nonin 5 NIBP Temp Respiration Battery RS232 Printer 622N0 E1 Nellcor SpO NIBP Temp Respiration Battery RS232 622NP E1 ECG Nellcor SpO NIBP Temp Respiration Battery RS232 Printer 623SP E1 ECG Nonin SpO NIBP Temp Respiration Battery RS232 Printer 623NP E1 ECG Nellcor SpO NIBP Temp Respiration Battery RS232 Printer Product Structure Meaning The first three digits in the product structure sequence designates the model number The fourth character in the sequence designates the SpO The fifth character in the sequence designates if it has a printer or not The first suffix designates the country language when shipped The second suffix designates the power cord shipped with the Atlas First Three Characters Model number 621 622 623 Fourth Character N Nellcor SpO S Nonin SpO Fifth Character P Printer 0 No Printer First Suffix E English F French G Ge
56. 0203 6 6 ZUR S 10 l T U203B y U208B y TP240 C223 LM393 MC34072 Sy ae Over Pressure SN ME R204 2 N 74HCTOO TP211 150 gt Fault Circuit P 75V ED NU NU U208 7 P45V gt C226 1202 047uF Bead U202 5 5 7 5 12V 5V Vpump 12 N v I C204 R205 Ni n P201 pwr 047uF 750 T U202B 4 2 13 MC34072 R242 A Pm zl 4232 10 TP213 Q202 R239 U207D 047uF NEZ x MMDF2N02E 1K SZ 74HCT00 Primary _ A A 7 A N 3 83K TP214 TP215 i Q202 G 2 4 Transducer 2 R212 R240 1 56 2K 10K a lt ei 2 P201 Out Q201 B 1 201 R243 OmmHG 0 5V 4 NAN e NIBP Safety EE Zen es Gain 300mmHG 4 0V C206 TP216 Reel Comp 6 P201 6 0047 P 12V C209 10K 3 047uF C227 dL al 680pF P201 XFPM 050KPGR P1 N A TP217 gt R219 0202 NZ wW U204 3 3 1 96K BAV99L AN 1 U204 1 3 S e J201 2 Valve j Zero Adjust 204 Valve R213 MC34072 C228 z 20mmHg range P 12V 237K 047uF d s R244 N Z R217 21 5K TP219 TP220 5 62K A CONS R214 R216 02042 R246 SE 10 19 6 221 222 316 PU C207 1 U204 5 5 C231 NIBP Offset DAC gt 7 O1uF N NIBP A D SelC PWM D A 6 ids i NIBP A D SelB gt 76 8KHz 100K __ C27 C08 1 U204B m wF 1uF MC34072 R218 d plos NIBP A D SelA gt 23 7K 0203 MMDF2NO2E XZ x LU IER A A A A A D Mux Kk 4 N
57. 05 100K R153 R154 35 Ae Ge 47 D4 m 19 a 0 internal arbitration 48 D3 1 1 MSR ip O interrupt prefix is 0x0000 3 6 19K 6 19K DQ12 O All 20 50 D2 BAO DQ13 0 reserved 21 m 5 51 D1 D1 3 17 dx1 See ccc memory controller Is active after rese E 53 00 04 5 Se 15 Y A KS 5 CS 19 a 015 D7 7 o ar B ES 1 0 16 bit boot device A GPL1 18 eg bout 15 D8 9 i Se 11 dx8 0 reserved GPL3 16 i m 39 D9 Ia E dx9 1 1 IMMR base is Oxfff0 0000 WE DQMH 1Y4 1A4 GPL2 17 5 AS D10 14 N 6 dx10 1 1 DBGC mode A zf i 40 16 ke 4 dx11 A 38 2 36 18 1Y2 1A2 2 dxi2 0 0 DBPC mode CLKOUT gt 1 37 NC A12 amp 1M 0 0 External bus division factor CKE w 2833 s 9 9 u M Q 2222 74AHC244 T1 R155 Boot Configuration Latch NI VDDH 6 19K c Active during power on BS_ABIO3 gt A A S BS_ABO BS_AB1 VDDH FLASH 512Kx16 ol mn DIS A30 25 A 5 29 D15 A29 24 a 903 Ze 31 D14 A28 23 33 D13 2 A27 22 gt 35 D12 A26 21 D4 38 011 25 20 Ds 40 D10 A24 19 D 42 D9 A23 18 DZ 44 D8 A22 8 Ds 30 D7 AMD N C 9 10 13 14 A21 7 32 D6 AMD RY BY 15 A20 6 Ai x 34 D5 A19 5 A E 36 D4 A18 4 39 D3 MICRON N C 9 10 15 17 3 AU DE 41 D2 Aus D13 MICRON Vpp 13 A16 2 ATA Bia 43 D1 A15 1 kis Uis 45 DO T2 A14 Ge A13 173 5 E 7 12 16 yte 14 VDDH A18 NC4 CS_n0 26 _ c N 9 GPL1 28 d er 11 C NC2 15 WE RY BY 12 2
58. 1 7 2003 1832 2 17 2003 1873 1 8 2003 1833 2 18 2003 1874 1 9 2003 1834 2 19 2003 1875 1 10 2003 1835 2 20 2003 1876 1 11 2003 1836 2 21 2003 1877 1 12 2003 1837 2 22 2003 1878 1 13 2003 1838 2 23 2003 1879 1 14 2003 1839 2 24 2003 1880 1 15 2003 1840 2 25 2003 1881 1 16 2003 1841 2 26 2003 1882 1 17 2003 1842 2 27 2003 1883 1 18 2003 1843 2 28 2003 1884 1 19 2003 1844 3 1 2003 1885 1 20 2003 1845 3 2 2003 1886 1 21 2003 1846 3 3 2003 1887 1 22 2003 1847 3 4 2003 1888 1 23 2003 1848 3 5 2003 1889 1 24 2003 1849 3 6 2003 1890 1 25 2003 1850 3 7 2003 1891 1 26 2003 1851 3 8 2003 1892 1 27 2003 1852 3 9 2003 1893 1 28 2003 1853 3 10 2003 1894 1 29 2003 1854 3 11 2003 1895 1 30 2003 1855 3 12 2003 1896 1 31 2003 1856 3 13 2003 1897 2 1 2003 1857 3 14 2003 1898 2 2 2003 1858 3 15 2003 1899 2 3 2003 1859 3 16 2003 1900 2 4 2003 1860 3 17 2003 1901 2 5 2003 1861 3 18 2003 1902 2 6 2003 1862 3 19 2003 1903 2 7 2003 1863 3 20 2003 1904 2 8 2003 1864 3 21 2003 1905 2 9 2003 1865 3 22 2003 1906 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 187 Appendix E Calibration Date Table Calibration Date Number of Days Calibration Date Number of Days 3 23 2003 1907 5 3 2003 1948 3 24 2003 1908 5 4 2003 1949 3 25 2003 1909 5 5 2003 1950 3 26 2003 1910 5 6 2003 1951 3 27 2003 1911 5 7 2003 1952 3 28 2003 1912 5 8 2003 1953 3 29 2003 1913 5 9 2003 1954 3 30 2003 1914 5 10 2003 1955 3 31 2003 1915 5 11 2003 1956 4 1 2003 1916 5 12 2003 1
59. 2004 2209 12 10 2003 2169 1 20 2004 2210 12 11 2003 2170 1 21 2004 2211 12 12 2003 2171 1 22 2004 2212 12 13 2003 2172 1 23 2004 2213 12 14 2003 2173 1 24 2004 2214 12 15 2003 2174 1 25 2004 2215 12 16 2003 2175 1 26 2004 2216 12 17 2003 2176 1 27 2004 2217 12 18 2003 2177 1 28 2004 2218 12 19 2003 2178 1 29 2004 2219 12 20 2003 2179 1 30 2004 2220 12 21 2003 2180 1 31 2004 2221 12 22 2003 2181 2 1 2004 2222 12 23 2003 2182 2 2 2004 2223 12 24 2003 2183 2 3 2004 2224 12 25 2003 2184 2 4 2004 2225 12 26 2003 2185 2 5 2004 2226 12 27 2003 2186 2 6 2004 2227 12 28 2003 2187 2 7 2004 2228 12 29 2003 2188 2 8 2004 2229 12 30 2003 2189 2 9 2004 2230 12 31 2003 2190 2 10 2004 2231 1 1 2004 2191 2 11 2004 2232 1 2 2004 2192 2 12 2004 2233 1 3 2004 2193 2 13 2004 2234 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 191 Appendix E Calibration Date Table Calibration Date Number of Days Calibration Date Number of Days 2 14 2004 2235 3 26 2004 2276 2 15 2004 2236 3 27 2004 2277 2 16 2004 2237 3 28 2004 2278 2 17 2004 2238 3 29 2004 2279 2 18 2004 2239 3 30 2004 2280 2 19 2004 2240 3 31 2004 2281 2 20 2004 2241 4 1 2004 2282 2 21 2004 2242 4 2 2004 2283 2 22 2004 2243 4 3 2004 2284 2 23 2004 2244 4 4 2004 2285 2 24 2004 2245 4 5 2004 2286 2 25 2004 2246 4 6 2004 2287 2 26 2004 2247 4 7 2004 2288 2 27 2004 2248 4 8 2004 2289 2 28 2004 2249 4 9 2004 2290 2 29 2004 2250 4 10 2004 2291 3 1 2004 2251 4 11 2004 2292 3 2 2004 2252 4 1
60. 2005 2588 3 14 2005 2629 2 2 2005 2589 3 15 2005 2630 2 3 2005 2590 3 16 2005 2631 2 4 2005 2591 3 17 2005 2632 2 5 2005 2592 3 18 2005 2633 2 6 2005 2593 3 19 2005 2634 2 7 2005 2594 3 20 2005 2635 2 8 2005 2595 3 21 2005 2636 2 9 2005 2596 3 22 2005 2637 2 10 2005 2597 3 23 2005 2638 2 11 2005 2598 3 24 2005 2639 2 12 2005 2599 3 25 2005 2640 2 13 2005 2600 3 26 2005 2641 2 14 2005 2601 3 27 2005 2642 2 15 2005 2602 3 28 2005 2643 2 16 2005 2603 3 29 2005 2644 196 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Calibration Date Table Appendix E Calibration Date Number of Days Calibration Number of Days 3 30 2005 2645 5 10 2005 2686 3 31 2005 2646 5 11 2005 2687 4 1 2005 2647 5 12 2005 2688 4 2 2005 2648 5 13 2005 2689 4 3 2005 2649 5 14 2005 2690 4 4 2005 2650 5 15 2005 2691 4 5 2005 2651 5 16 2005 2692 4 6 2005 2652 5 17 2005 2693 4 7 2005 2653 5 18 2005 2694 4 8 2005 2654 5 19 2005 2695 4 9 2005 2655 5 20 2005 2696 4 10 2005 2656 5 21 2005 2697 4 11 2005 2657 5 22 2005 2698 4 12 2005 2658 5 23 2005 2699 4 13 2005 2659 5 24 2005 2700 4 14 2005 2660 5 25 2005 2701 4 15 2005 2661 5 26 2005 2702 4 16 2005 2662 5 27 2005 2703 4 17 2005 2663 5 28 2005 2704 4 18 2005 2664 5 29 2005 2705 4 19 2005 2665 5 30 2005 2706 4 20 2005 2666 5 31 2005 2707 4 21 2005 2667 6 1 2005 2708 4 22 2005 2668 6 2 2005 2709 4 23 2005 2669 6 3 2005 2710 4 24 2005 2670 6 4 2005 2711 4 25 2005 2671 6 5 2005 2712 4 26 2005 26
61. 2007 3589 9 20 2007 3549 10 31 2007 3590 9 21 2007 3550 11 1 2007 3591 9 22 2007 3551 11 2 2007 3592 9 23 2007 3552 11 3 2007 3593 9 24 2007 3553 11 4 2007 3594 9 25 2007 3554 11 5 2007 3595 9 26 2007 3555 11 6 2007 3596 9 27 2007 3556 11 7 2007 3597 9 28 2007 3557 11 8 2007 3598 9 29 2007 3558 11 9 2007 3599 9 30 2007 3559 11 10 2007 3600 10 1 2007 3560 11 11 2007 3601 10 2 2007 3561 11 12 2007 3602 10 3 2007 3562 11 13 2007 3603 10 4 2007 3563 11 14 2007 3604 10 5 2007 3564 11 15 2007 3605 10 6 2007 3565 11 16 2007 3606 10 7 2007 3566 11 17 2007 3607 10 8 2007 3567 11 18 2007 3608 10 9 2007 3568 11 19 2007 3609 10 10 2007 3569 11 20 2007 3610 10 11 2007 3570 11 21 2007 3611 10 12 2007 3571 11 22 2007 3612 10 13 2007 3572 11 23 2007 3613 10 14 2007 3573 11 24 2007 3614 10 15 2007 3574 11 25 2007 3615 10 16 2007 3575 11 26 2007 3616 10 17 2007 3576 11 27 2007 3617 10 18 2007 3577 11 28 2007 3618 10 19 2007 3578 11 29 2007 3619 10 20 2007 3579 11 30 2007 3620 10 21 2007 3580 12 1 2007 3621 10 22 2007 3581 12 2 2007 3622 10 23 2007 3582 12 3 2007 3623 10 24 2007 3583 12 4 2007 3624 10 25 2007 3584 12 5 2007 3625 10 26 2007 3585 12 6 2007 3626 10 27 2007 3586 12 7 2007 3627 10 28 2007 3587 12 8 2007 3628 208 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Calibration Date Table Appendix E Calibration Date Number of Days Calibration Date Number of Days 12 9 2007 3629 12 10 2007 3630 12 11 2007 3631 12 12 2007 3632 1
62. 3 2 0802 2 1801 gt gt IRA R810 U803 rly NO 1 13 4 rly NC 619 HCNW4503 N Ge is Fa 5 pores 2 8 R811 Me T 11 6 19K lt 3RA R e R817 215 1 Rx 6 iso803 c 14 0802 3 Tx 5 1DA wy 25 6 7 5 12 rly COM 2DA av D 0 8 10 RLS lt 3DA ERO R 5 gt U802 TL145406 C814 C812 NR 680pF 680 R 5V lt lt RVee SK 5V 5V M m EHE v VA Z WE U802 15 047uF U804 R808 E 0801 R807 HCNW4503 619 MMBT3904L 6 19K 8 2 iso802 a q801 e Li 1 6 RS3RK lt lt TP809 Welch Allyn Inc N x Initial Date R Drawn Schematic 620017 dsn Rick Myers Mar 5 1999 Designed Rick Myers Mar 5 1999 Title S H H H erial Communication Checked L Phillips 3 16 99 A d si Rev Z Psenicnik 3 16 99 ue Document Number 620017 G Release For Production 1 Bell 3 16 99 5569 Date Monday August 05 2002 Sheet 8 of 8 A B D E Figure D 27 210 220 serial communication Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 173 NOTES 1 MANUFACTURER ZMAN MAGNETIC BEAVERTON OREGON 2 TRANSFORMER MUST MEET UL CONSTRUCTION TECHNIQUES 3 LABELING THE TRANSFORMER SHALL BE LABELED AND INCLUDE THE FOLLOWING MANUFACTURER S NAME WELLCH ALLYN PART NUMBER 620020 DATE CODE YYWW OR APPROVED ACCEPTABLE FORM 4 SCHEMATIC AS NOTED 5 SPECIFICATIONS ISOLATION CA
63. 3259 1 14 2007 3300 204 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Calibration Date Table Appendix E Calibration Date Number of Days Calibration Date Number of Days 1 15 2007 3301 2 25 2007 3342 1 16 2007 3302 2 26 2007 3343 1 17 2007 3303 2 27 2007 3344 1 18 2007 3304 2 28 2007 3345 1 19 2007 3305 3 1 2007 3346 1 20 2007 3306 3 2 2007 3347 1 21 2007 3307 3 3 2007 3348 1 22 2007 3308 3 4 2007 3349 1 23 2007 3309 3 5 2007 3350 1 24 2007 3310 3 6 2007 3351 1 25 2007 3311 3 7 2007 3352 1 26 2007 3312 3 8 2007 3353 1 27 2007 3313 3 9 2007 3354 1 28 2007 3314 3 10 2007 3355 1 29 2007 3315 3 11 2007 3356 1 30 2007 3316 3 12 2007 3357 1 31 2007 3317 3 13 2007 3358 2 1 2007 3318 3 14 2007 3359 2 2 2007 3319 3 15 2007 3360 2 3 2007 3320 3 16 2007 3361 2 4 2007 3321 3 17 2007 3362 2 5 2007 3322 3 18 2007 3363 2 6 2007 3323 3 19 2007 3364 2 7 2007 3324 3 20 2007 3365 2 8 2007 3325 3 21 2007 3366 2 9 2007 3326 3 22 2007 3367 2 10 2007 3327 3 23 2007 3368 2 11 2007 3328 3 24 2007 3369 2 12 2007 3329 3 25 2007 3370 2 13 2007 3330 3 26 2007 3371 2 14 2007 3331 3 27 2007 3372 2 15 2007 3332 3 28 2007 3373 2 16 2007 3333 3 29 2007 3374 2 17 2007 3334 3 30 2007 3375 2 18 2007 3335 3 31 2007 3376 2 19 2007 3336 4 1 2007 3377 2 20 2007 3337 4 2 2007 3378 2 21 2007 3338 4 3 2007 3379 2 22 2007 3339 4 4 2007 3380 2 23 2007 3340 4 5 2007 3381 2 24 2007 3341 4 6 2007 3382 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 205
64. 4 d41 b lt 5 12 b at o 3 u22 5 5 4 d42 b E Qe DIF os LS u20 5 6 3 440 7 a DI 21 6 6 3 d41 a 7 a Re B os LS u22 6 6 3 d42 a 7 A Do Se vis Sg on 2 u20 6 7 2 55 u21 7 7 2 su on 7 u22 7 7 2 512 8 1 R 8 1 P 8 1 p 9 3 9 3 9 3 QH WD 8 Anode 1 QH s A ar 8 Anode 1 QH 22105 paz Z 8 Anode 1 1 Anode 2 iw Anode 2 Wa Anode 2 74HC595A 680 74HC595A 680 74HC595A 680 7 SEG LED 0 5 7 SEG LED 0 5 7 SEG LED 0 5 R54 NIBP Alarm On Off R55 BP Sys Hi R56 BP Sys Lo 215K Dis 215 DE 215 os disc 2 1 46 2 1 48 2 1 e K 7 vec q vec lt 7 vec 110 TP111 T1 3mm Red T1 75 Smm Green T1 75 5 Green TP112 u20 out TP113 u21 out TP181 u22 out 5 3 vcc vcc vcc 680 TP114 R44 Diastolic Hundreds TP116 R45 Diastolic Tens TP118 R46 Diastolic Ones 680 680 923 8 1 D43 024 8 1 D44 U25 8 1 D45 14 E OX 15 u23 15 5 4 N 943 9 10 14 SER 15 u24 15 5 4 d44 g 10 e 14 a L 15 u25 15 5 4 945 9 10 Er os u23 1 6 3 d43 f ae oan JE u24 1 6 3 d44 f 9 e ox iic u25 1 6 3 d45 f 2 u23 2 7 2 d43 e m WK gak 2 u24 2 7 2 d44 e CL 11 b ad 2 25 2 7 2 d45 e Ile A A A LS x 3 u23 3 343 d ey S 3 u24 3 lt N d44 d ERE m 25 3 u25 3 YN dasd 2 r oB Pe 4 23 4 d43 c SI s S Ge 4 u24 4 d44 c asl ES 4 u25 4 d45 c SL i 2h pcx 5 23 5 5 4 d43 b 6 12 pcx a 5 24 5 5 4 d44 b 6 amp 5 12 5 T er 5
65. 43E Rev D 165 Figure D 19 Printer electronics A B D E REV Description ECN ECO Init Date EKG g A Release to Production 5 39121 JAC 3 15 99 LPP EKG PW
66. 613 T MonBw z OE 13 220pF HCNW4503 6 or 13 SZ SW RLD RL gt 1 77 9 2 E SW RLD LL QH SW RL V 2 o QH 7 a Q lt L C taza TP610 611 607 2012499 AWS TP612 U608B U605 out D x 1 H 612 45V fVee TP613 TP614 A 640 HCNW4503 lt gt U606 SV R615 gt 157 44 U604B 6 19K 1 9 SER 74HCT04 SV R629 TP616 TP617 een owe 5 H 98 M get dk Base C630 cane SRCLK 5 4 EH Am Dau 47uF Segoe 21 3 SS T Mux Lds B o lt lt FE Data Clock Der f 7 2 I 145 52 Sal 12 a er lt lt Mux A D B 6 13 MuxA D A 2 0 4 637 220pF 615 635 x fVee 5 ou BUE 3 13 12 U605 12 Resp DC gt gt 5 TJ P 7 4 9 HE a l C646 t U604F 8 UE 1000pF iso 5Vdig Ge U601B SZ e MC34072 INH Resp LdsOff 4 pieno vA 2 19 Kuff R630 C628 611 5V TP641 x M fVee 6 10K HCNW4503 0601 7 5 NC Temperature An Resp gt 5 os i m 4 8 Ampli ctn A NU T 15 D E 4 er t d TP642 Kb f 5 11K eine 4 R621 13 3 602 22 Xo TP620 5 lt FE ADC Clock 511K 9 R626 TP621 i U608 3 f 1 24V gt Ri 3 1 U608 1 AK Patient Temp mn lt 52 0608 2 NINAN se E Pl C633 r fVee ow gt NA U608A AD712 x 11 MuxA A
67. 623 only Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 103 Appendix A Theory of Operation iso 5Vdig Resp Off lt lt FE Serial Data SpO2 Reset Sw RespReset Sw RL V MuxB MonBW SW RLD RL SW RLD LL 74 595 U605 out SW RLD LA SW RLD RA Mux Lds C Mux Lds B Mux Lds A Mux A D C Mux A D B Mux A D A Figure A 28 Serial communication circuit Signal Isolation Optocouplers are used to electrically isolate signals The following signals are transmitted across the isolation barrier through the optocouplers 1 SpO2 out SpO2 serial data waveform and status information Opto U411 Data from the SpO2 board to the CPU board 2 Serial Data Serial Control data for isolated circuits Opto U613 Data from the CPU board to isolated circuits 3 Serial Data Clock Data clock for serial control data Opto U612 Clock from the CPU board to isolated circuits 4 ADC Clock Clock for PWM A D converter also used to latch control shift registers Opto U611 Clock from the CPU board to isolated circuits 5 PWM A D dataA D Pulse width data Opto U610 Pulse width data from isolated circuits to CPU board 6 Respiration ClockClock for Respiration drive circuit same signal as power supply sync U710 Clock from the CPU board to isolated circuits model 622 623 only ECG Circuits Overview Atlas provides a 5 wire front end and will be compatible with both a 3 wire and 5 wire cable Monitor 0 5H
68. AND SPECIFICATIONS AR AND SHALL NOT BE REPRODUCED OR COPI OR SALE OF EQUIPMENT OR DEVICES WITH E THE PROPERTY OF WELCH ALLYN INC ED OR USED AS A BASIS FOR MANUFACTU RE OUT WRITTEN PERMISSION DRAWN DATE JB ENGEL 13 Jan 99 APPROVED DATE ZIP 2 19 99 MATERIAL REL TO PROD DATE J BELLO 2 19 99 FINISH CAD SOFTWARE PE TRANSLATED FROM ME10 TITLE CABLE ASSY ECG UNLESS OTHERWISE SPECIFIED TOLERANCES DIMENSIONS 02 ARE IN 005 INCHES ANGLES 2 DRAWING NO REV B 620165 A SCALE ONE SHEET lof 1 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 182 Figure D 36 200 210 220 ECG cable assembly REV DESCRIPTION DATE CKD A RELEASE TO PRODUCTION 2 5 39025 US 0 18 99 B CHANGE WIRE SPEC IN NOTE 2 5 39543 URS aam ADD 75 IN LENGTH C ADD FERRITE 5 39879 JRS 6 24 99 T W CHANGED PART 620166 1 4 75 12 3 75 12 75 12 ke 378 12 SINGLE LOOP ALL WIRES PIN 1 THROUGH FERRITE 2 2 T 3 3 4 4 FNAN FAIR RITE P N 2643801902 SHRINK TUBE WIRE 22GA YELLOW WIRE 22GA ORANGE WIRE 22GA RED WIRE 22GA BROWN CONTACTS MOLEX 08 5 0 0113 2
69. Amplifier 5 39339 2 4 15 99 ZIP U13 gt AY XN ZEN Reduce RF Emission TEV Increase Flex Cable to c 5 39831 LPP 6 24 99 LPP a e 3 inches 7 50 li oq Width Coil Inductance EE 2 42 165 12 D 5 40006 LPP 7 23 99 aS L3 increased 047 047uF R12 Am 22uF R19 750uSec 562 m m 562 N Z glb 2 Q1 Q3 2 q3 b 45V 167msec MPSWO1A MPSWOIA X Y U4A R3 3 R13 E R18 T R20 2 237K 1 ramp 3 169 R15 383 562 169 5 R22 1 2 U4 2 2 1 7 t 10K 5 o o 4 2 a UIA o a TLC272 U2A R14 R21 U2B R52 74 04 34072 562 562 MC34072 1 96K R43 qb 2 vadj gt 2 q4b NU uF RK E Q2 R16 10 R17 10 Q4 m m U12 1 100pf MPSW51A 5 51 SZ x Size Adjust u2 7 u2 6 d c gt A a 2 1 N R4 R23 To Yoke D6 D1 10K 10K 1N4148 1N4148 R5 R6 J2 42 2K 41 2K vert 5 u1 6 vert S O ES 4 3 To Main hor 2 B d hor 4 oan 12V 5 78105 1 6 R7 NU 3 1 u1 7 7 1 VIN 34 AEN 4126 is 5 Vsync 415 u1 5 10K H 3 sync 4 U1B TLC272 5 Video y gt Ss 5 am M 047uF 047uF R8 NZ 412K L Zero Adjust CON6 I NU 12V R9 R11 vcadj V gt J J 147 R10 1K 1 96K 6 Position flat ribbon cable Connects Main CRT to CRT socket Board Horizontal Sync HE S Break Away CRT socket Board 6 8uF 12V h
70. Appendix A Theory of Operation P 12V C216 047uF P 12V a Safety Cou Transducer TP226 R227 5 11K gt gt SafetyPres U206A R223 C214 C217 MC34072 047uF 047uF A U206 1 U205A MC34072 NA 0015 680pF R224 1K P202 Out U206B R225 MC34072 1K P 12V C215 047uF Zero R221 Offset SIEK U205B C213 R222 1K MC34072 01uF Figure A 13 Safety transducer amplifier Hardware Overpressure The output of the primary transducer is monitored for two overpressure conditions pres sures in excess of 13 3mmHg nominal and 314mmHg nominal are detected These error conditions are transmitted to the gate array on the CPU board and if the error conditions are present for a long enough time period a fault message is displayed and NIBP is disabled see above for safety performance operation The output of the Primary Transducer drives the two comparators U203A B The compari son voltage is derived through a resistor divider chain from a 5V regulator U201 This reg ulator is the supply voltage for the primary transducer and sense the primary output is proportional to the supply voltage tolerance errors in the regulator are not critical 90 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation A d
71. Atlas FPGA B E D E REV Description ECN ECO Init Date Ckd A Release to Production 5 39173 JAC 3 18 99 LPP B Component change for 5 39353 JJC 4 15 99 ZIP frequency modulation Change Reset IC U3 E 5 39830 LPP 6 24 99 LPP No Load C40 D Upgrade to larger SDRAM 5 44759 LPP 6 20 02 JK R74 VDDH R76 1 8 1 scD 2 7 I2CSDA 5 2 SCL SCL 3 6 I2CSCL 3 SCD SpO2 Rx 4 5 SMRXD2 4 SPl data in SpO2 Tx 1 SMTXD2 VFLSO 10K 100 6 VFLS1 54 C55 L G6 C57 VDDH lt BR 7 330pF 330pF 330pF 330pF en DSDI N N 10 8 4 6 19K R127 9 SRESET n R77 c RS423 CTS 1 8 ETCO2 Rx 2 7 SMRXD1 VDDH lt Bln ETCO2 Tx SMTXD1 3 6 6 19K R128 RS423 Rx RXD2 VDDH R103 4 5 1 RS423 Tx T TXD2 5 5 PA4 VDDH BB n PAS 0 pt 100 3 PC12 C62 C63 L C64 C65 3 09K R129 4 330pF 330pF 330pF 330pF 10K PA7 N N 4 T
72. BATTERY DOOR 620117 PRINTER DOOR BUTTON 620119 LATCH SPO2 620125 501 MAIN CASE HANDLE SET 620126 6 BEZEL SET HIGH HEAT TRANSFER 620131 1 MAIN FOAM 620132 2 TOP FOAM 620133 BP FOAM 620134 501 GEAR ASSY 620138 501 PRINTER DOOR ASSY 620139 501 PRINTER FRAME ASSE 620140 501 MAIN PRINTER ASSY 620140 502 PRINTER ASSY W STATIC BAG 620141 METAL HOUSING TOP 620142 1 METAL HOUSING BOTTOM LG 620143 NUT TEMPERATURE 620144 BRACKET SPO2 620148 GASKET 2 EXHAUST 620149 FITTING 1 16 X 1 8 27 620150 1 AC DC POWER SUPPLY 620156 PUMP 620157 STEPPER VALVE 620158 CHECK VALVE 620163 CABLE ASSY PUMP PNEUMATIC VLV 620165 CABLE CONN TO MAIN BD ECG 142 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Repair Parts Lists Table B 11 Atlas 623NP repair parts Part Description 620167 CABLE MAIN BD TO DISPLAY BD 620168 2 CABLE ASSY POWER SUPPLY 620170 CABLE ASSY NELLCOR 620171 CABLE ASSY SPEAKER 620172 2 CABLE ASSY AC 620173 CABLE TEMP SENSOR TO MAIN BD 620175 CABLE ASSY FAN 620176 CABLE ASSY PRINTER 620177 CABLE ASSY PRINT HEAD 620178 CABLE ASSY 5 02 620181 3 LABEL BOTTOM HIGH END 620182 LABEL RS232 620187 501 PNEUMATIC SUB ASSY 620189 4 20 X 5 16 SLT TORX PN PL ZIN 620192 1 PNEUMATIC CONNECTOR 620193 NUT HEX 5 16 32 X 095 PNEUM 620194
73. BP pump from the side of the main PCB 10 Main PCB Hose and Wire Removal Disconnect hoses and connectors BP hose ecg cable temp cable modles 622 and 623 only SpO cable CO cable model 623 only and ground wire Nelcor SpO only from main PCB NOTE Notice how hoses and connectors fit on Main PCB 11 Pump Removal Remove the pump assembly from the E Pac foam NOTE Notice how pump fits in E Pac Foam and how wires are routed out of pump 68 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Disassembly and Repair 12 CO Exhaust Removal Remove the CO exhaust cover and remove the CO connector from the E Pac foam 13 Pryon PCB Removal Remove connectors from Pryon PCB Pull Pryon PCB from E Pac foam 14 E Pac Foam Removal Top Remove the top E Pac foam Service Manual 6200 43E Rev D Section 4 Welch Allyn Atlas Monitor 69 Section 4 Disassembly and Repair 15 Power Supply Removal Slide the power supply out from the E Pac Foam 16 Power Supply Fuse Location NOTE Notice power supply and power supply fuse location 17 Fan Removal Slide fan out from E Pac foam 70 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Disassembly and Repair Section 4 18 E Pac Removal Lower Remove lower E Pac foam from unit 19 Deflection PCB Removal Carefully remove the small deflection PCB from the CRT 20 CRT Removal Remove the
74. C502 1 C538 1 U501 5 5 u509 4 an foc 4 6 R533 10K TP516 fcc fVcc Xr 3 Lo 511 0506 8565 N502 C502 65387 C507 22Meg U501B R519 4051 R545 3 121K dey 330pF 220pF 100pF 519 TL072 10K C511 R534 10K 1 LA DI yo 3 muer 5 10K 0 1 1 ARR 4 s d Y LAMP NEON TP520 0 1 220 LL 14 7 diff 0508 2 2 1 diff out X1 be GELD See mn DN R511 1 NN 6 s U508A 3 M A EVA Z lt SZ 521 12 712 p 0509 5 SES TP522 i R558 10501 6 i R535 10K 1 95078 i ia LMC7101 22Meg RINA LL 5 y TLO72 3 NK 2 si C542 fVee R520 R536 10K 4 fVee 220pF x Sg AS 1 21K 4 d VLdsOff 0 1 6 541 523 R537 10K n A R503 R563 R512 TP524 TP525 i 0 R547 e LE UN 19 6K 73 2K 10K e 9 10K C545 Left Le C503 1 C539 1 U502 3 3 E 9 p n A x 0 196 1000pF High Pass 0 05Hz or 0 5Hz Gain Stage 1 fVcc 4 Ic 2 Low Pass 150Hz Gain 74 ON MR HEN xu E v E 517 E N503 0 C508 c539 E C508 22Meg U502A R521 TP528 TP529 C515 R550 TP518 y 330pF 220pF 100pF TP531 TL072 10K C512 33uF 19 6K LAMP NEON TPS33 0199 e ecg hp 05085 5 R513 1 j 7 ee ne T v s E v E v E Des L R559 10502 2 516 gt e 22Meg R548 R549 O47uF 05088 535 536 537 1Meg 110K AD712 R551 C517 R52
75. D Welch Allyn Atlas Monitor 53 Section 3 Troubleshooting 18 Press the BP ALARMS OFF button 19 Verify the audio alarm is silent the numeric value in the SYSTOLIC LED display is still flashing and that the red LED in the BP ALARMS OFF button is Lit 20 Reset the SYSTOLIC HI alarm to 200 factory default Press BP ALARMS OFF button 21 Press the right SELECT button three times and the numeric value in the SYSTOLIC LO alarm LED display will be flashing 22 Press the SET button to set the SYSTOLIC BP LO alarm to 160 23 Press BP START CANCEL button 24 Verify that you hear the audio alarm and that the numeric value in the SYSTOLIC LED display is flashing 25 Press the BP ALARMS OFF button 26 Verify the audio alarm is silent the numeric value in the SYSTOLIC LED display is still flashing and that the red LED in the BP ALARMS OFF button is lit 27 Reset SYSTOLIC LO alarm to 70 Factory default Press BP ALARMS OFF button 28 Press right SELECT button four times and the numeric value in DIASTOLIC HI alarm LED display will be flashing 29 Press the SET button and set DIASTOLIC HI alarm to 70 30 Press BP START CANCEL button 31 Verify that you hear the audio alarm and that the numeric value in the DIASTOLIC HI LED display is flashing 32 Press the BP ALARMS OFF button 33 Verify the audio alarm is silent the numeric value in the DIASTOLIC LED display is still flashing and that the red LED in the BP ALARMS OFF but
76. DISPLAY LABEL LOW FREEZE ENG 620384 2F DISPLAY LABEL LOW FREEZE FR 620384 2G LOW LABEL W FREEZE GERMAN 620384 21 LOW LABEL W PRINTER ITALIAN 620384 2 LOW LABEL W FREEZE JAPANESE 620384 2P LOW LABEL W FREEZE PORT 620384 25 LOW LABEL W FREEZE SPANISH 620385 SUB LABEL DISPLAY 620386 FASTON TAB 620388 1 LABEL NONIN SENSOR 620393 PWR SUPPLY INSULATOR LABEL 620394 1 WASHER SHOULDER PLATED 620403 FLAT TIE HOLDER 620494 501 ATLAS FAN KIT 761077 1 WIRE TIE Service Manual 6200 43E Rev D Repair Parts Lists Table B 4 Atlas 621SP repair parts Part Description 620001 503 MAIN PCB ASSY LOW END 620004 502 ATLAS CPU PCB ASSY 620007 501 FRONT PANEL DISPLAY PCB ASSY 620013 502 PRINTER PCB 6200 43E SERVICE MANUAL ATLAS 620089 BATTERY 3V LITHIUM 620105 3 BATTERY DOOR 620117 PRINTER DOOR BUTTON 620119 LATCH 5 2 620125 501 MAIN CASE HANDLE SET 620126 4 BEZEL SET HEAT TRANSFER 620131 1 MAIN FOAM 620132 2 TOP FOAM 620133 BP FOAM 620134 501 GEAR ASSY 620138 501 PRINTER DOOR ASSY 620139 501 PRINTER FRAME ASSE 620140 501 MAIN PRINTER ASSY 620140 502 PRINTER ASSY W STATIC BAG 620141 METAL HOUSING TOP 620142 1 METAL HOUSING BOTTOM LG 620144 BRACKET 5 2 620150 1 AC DC POWER SUPPLY 620156 PUMP 620157 STEPPER VALVE 620158 CHECK VALVE 620163 CABLE ASSY PUMP PNEUMATIC VLV 620165 CABL
77. Disconnect ECG simulator 44 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Troubleshooting Section 3 SpO Test 1 Turn SpO alarms on 2 Connect SpO cable to simulator 3 Set simulator pulse rate to 60 beats minute and verify that pulse rate is 60 3 beats minute or 3 whichever is greater 4 Set SpO between 70 and 100 and verify that SpO is accurate 2 digits Temperature Test 1 Without anything connected to the temperature connector on the Atlas verify that the temperature LED is blank 2 Using Table 3 2 below connect the resistors to a 1 4 inch male mono plug and verify temperature readings Table 3 2 Resistor and temperature reference 3 Connect the temperature probe to the Atlas monitor You should see the display read room ambient temperature Disconnect the probe and verify you see dashes is the display and that there are no alarms CO Functional Test 1 Press DATE TIME button then press TREND button to access Advanced Configuration menu 2 Set Second trace selection to 3 Press TREND button to return to idle screen 4 Insert watertrap with tubing attached Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 45 Section 3 Troubleshooting 5 Verify that you 1 Hear pump motor start 2 See solid line waveform on lower trace 3 See dashes in Respiration Rate 4 See dashes in mmHg or or kPa as configured 6 Breathe gently and repeatedly over end of tubing
78. Feet 98 Linear Regulators and Filtering Model 621 ur eh 99 iv Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Linear Regulators and Filtering Model 622 and 623 a 100 101 AD Multiplexer sss dia Yu SYR 102 sa ee ege 103 104 104 Impedance Respiration Model 622 623 1 2222 10 4440 0 109 cova Pte quin Rt FE Y GW GA A 110 Appendix B Repair Parts Lists hr 113 O2 116 REF 119 DEE 121 622N052 op 124 oV use 127 Lo m 130 asam a yapu m y E 133 EE nU eon ve 136 6 555 Be 142 Appendix Interconnect Diagram Interconnect diagram 620396 Rev e nee 145 Appendix D Atlas Drawings and Electrical Schematics See List of Figures on page v for individual drawings sese 146 Appendix E Calibration Date Table
79. LOCATOR NELLCOR MP506 620531 CABLE ASSY NELLCOR MP506 SEN 620532 NELLCOR MP506 SPO2 PCB 761077 1 WIRE TIE Service Manual 6200 43E Rev D Appendix B Welch Allyn Atlas Monitor 129 Appendix B Repair Parts List Table B 7 Atlas 62250 repair parts Part Description 620004 502 ATLAS CPU PCB ASSY 620007 501 FRONT PANEL DISPLAY PCB ASSY 620016 503 MAIN PCB ASSY MID HIGH END 6200 43E SERVICE MANUAL ATLAS 620105 3 BATTERY DOOR 620119 LATCH SPO2 620125 502 MAIN CASE HANDLE SET W PANEL 620126 5 BEZEL SET MID PRINTED 620131 1 MAIN FOAM 620132 2 TOP FOAM 620133 BP FOAM 620141 METAL HOUSING TOP 620142 1 METAL HOUSING BOTTOM LG 620143 NUT TEMPERATURE 620144 BRACKET 5 2 620150 1 AC DC POWER SUPPLY 620156 PUMP 620157 STEPPER VALVE 620158 CHECK VALVE 620163 CABLE ASSY PUMP PNEUMATIC VLV 620165 CABLE CONN TO MAIN BD ECG 620167 CABLE MAIN BD TO DISPLAY BD 620168 2 CABLE ASSY POWER SUPPLY 620171 CABLE ASSY SPEAKER 620172 2 CABLE ASSY AC 620173 CABLE TEMP SENSOR TO MAIN BD 620175 CABLE ASSY FAN 620181 2 LABEL BOTTOM MID END 620182 LABEL RS232 620187 501 PNEUMATIC SUB ASSY 620189 4 20 X 5 16 SLT TORX PN PL ZIN 620192 1 PNEUMATIC CONNECTOR 620193 NUT HEX 5 16 32 X 095 PNEUM 130 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Repair Parts List
80. Power is only applied to the print head when the recorder is running RecVdc V gt gt 24 To Recorder E Motor Power 84 5K 12N 10 Supply gt 100 22uH U2 fb 02 ai Ri2 F ur NA MBRS340T8 MTP30P06V 10K otuF Lon 3 2 S indic SA 5 24V switci m UC3843A 14 Se 3 8 s ak R16 a d A ve 8 gt i800uF 19ek Printhead U2 comp 1 S mia a4 10K 4 T COMP 10 Lossen ds U2 Ref 14 ner ovr 1 NA 10K 2 mp RIS m cu 5 147 Printhead Z i WT 10K U2 RT iser 9 sense os Power 2N7002 a 5 Switch Switcher NA Disable 44 A 4 4 5600pF RI7 R18 R9 3 04 no load 10K 3 2200pF A Rec Supply On Q2b 1 27732 7 Q6 e 4 2 MMBT3904L A as man R19 R10 MMBT3904L 3 16K T 10K d Wa R22 4 22K ReeVde RH 5 11K Figure A 20 Recorder power supply circuit Motor Driver Atlas uses a stepper motor to drive the paper The microcontroller U3 is programmed to apply the appropriate phased signal to the motor A guad darlington switch U6 amplifies the signal from the controller to signal levels needed to drive the motor Motor speed timing is derived from the main CPU and transmitted to U3 on signal line U3 clk U2 pin2 24
81. QH 3 x 74HC165 Alarm Volume 1 O 2 TP178 SW7 2 7 LH Adjust ey 415 M SW10 1 SH LD Alarm Volume 1 2 H CH y 74HC165 SW12 Trend Ti 1 2 Trend CH Lead Select Lead Select BS D48 _ Print Print a BAV99L d 3 SW25 bd s 1 2 V D NIBP Alarm On Off 5 26 R7 On Standby 1 2 10K x TP79 TP80 TP81 TP82 5 14 1 2 WIS wp Q gt On Offsw 1 mA 42 NIBPalarm sw 11 I SpO2alarm sw 12 SW27 A RHselect sw 13 1 4 2 A A SpO2 Alarm On Off 5 16 RHadjust sw 1 ls 1 2 RHadjust sw 3 TP83 CH A BPauto sw 4 F 52 BPstart stop sw 5 t 6 G 9 H QH gt Key Data b gt 2 7 RH Select x INH sw18 TP84 85 86 1 f 1 2 TP87 x RH Adjust NU 74HC165 5 19 Key Latch b 5 122 52 RH Adjust TP88 Sw20 BP Aut 1 2 Clock1 O Key Clock b SW21 BP Start Sto 1 2 D O gt Silence Switch 1 Welch Allyn Inc Initial Date Drawn Jim Belesiu 3 15 99 Schematic 620008 dsn 2520056 Jim Belesii 3 15 99 im Belesiu Tte Keyboard Scanner Checked SE L Phillips 3 23 99 Approved Size Rev 7 Psenicnik 3 23 99 Document Number 620008 D Release For Production J 3 23 99 VS Date Friday July 23 1999 Sheet 2 of 5 A B c D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 160 Figure D 14 Key board scanner
82. Record that resistance reading to two decimal points 3 Plug the phono jack into the Atlas NOTE The Atlas will show a temperature reading in the temperature display 4 Start HyperTerminal on PC 5 Hyper Terminal Settings are 9600 Baud 8 bit word 1 stop bit no parity no flow control ANSI character set Find HyperTerminal in Windows7 95 or higher Start gt Programs gt Accessories gt Communication gt HyperTerminal 6 At the Pangea prompt Type PANGEA gt temp cal XXXXXX lt ENTER gt NOTE is the resistance reading you measured and recorded milliohms at the tip of the mono phono jack Example If you measure 1000 40 ohms at the tip of the phono jack then you would type temp cal 100040 lt Enter gt 7 Wait four seconds then type PANGEA gt temp state lt ENTER gt You will see a value returned at the Pangea prompt Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 23 Section 2 Service 8 Verify that the resistance given by the above command returns a value 0 5 ohms 9 Verify temperature accuracy as outlined in Chapter 3 Table 3 2 Calibration Date Set NOTE After calibrating the Atlas you must reset the calibration date The calibration date is the date you performed the calibration The calibration date appears in the Service Mode menu See Figure 2 6 for an explanation of the Service screen 1 At the Pangea prompt type Pangea gt nvram set cal_date XXXX lt ENTER gt NOTE
83. SRESET_n gt RESET e g g N 1 Welch Allyn Inc Initial Date Drawn 8 Schematic 620005 dsn Jim Belesiu Mar 5 1999 Designed Jim Bel Mar 5 1999 im Belesiu ar5 1 d E Title T d Flash SDRAM and HRESET Config Word L Phillips 3 19 99 A d Si Rev SE 7 Psenicnik 3 19 99 Document Number c 620005 D Release For Production 3 19 99 J Bello Date Monday August 05 2002 Sheet 4 of 6 B D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 156 Figure D 10 Flash SDRAM HRESET config word A B c D E REV Description ECN ECO Init Date Ckd A Release to Production 5 39173 JAC 3 18 99 LPP B Component change for 5 39353 JJC 4 15 99 ZIP frequency modulation Change Reset IC U3 c 5 39830 LPP 6 24 99 No Load C40 D Upgrade to larger SDRAM 5 44759 LPP JK 4 BS_AB 0 3 Burst_n 2 lt BS_AB 0 3 RD WR_n GPL 0 7 51210 11 lt GPL 0 7 TSIZ 0 1 SSS 5 0 n 0 7
84. Set language to your native tongue if necessary NOTE We have just reset the monitor to factory defaults Compare settings to factory defaults appropriate for the country in Operator manual If the factory defaults do not match then that may indicate a memory problem Changing only the language should not change any of the other factory default settings 13 Press DATE TIME button then press LEAD SELECT button to access service mode 14 Press SELECT button to highlight CRT test pattern 38 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Troubleshooting Section 3 15 Press BP START CANCEL button to show test pattern Examine display Press any key to end display 16 Press Select button to highlight Printer test pattern if fitted Press BP START CANCEL button to start test pattern Printer should print a test pattern Press any key to end display Examine printout 17 Press SELECT button to highlight LED test Press AUTO button to turn on all LEDs Press BP START CANCEL button to show automatic test pattern Watch for a while look for glitches in pattern Press SET button to go to manual mode and step through individual segments if needed to observe a problem 18 Press SELECT button to highlight Button test Press BP START CANCEL button to start test Press every button on system press BP START CANCEL button last Verify that buttons match up with their names and that all buttons are functional NOTE If name does not cor
85. Stans z 5 5 sau o gt lees 2222 7 gt re e ud 09 GNnos9 5552888 5 ZZzgzz 2 2222 ok 66 99 9 des es 245 Se E 16 NI YLYQ I dS KE 96 105 ul 55 13S3UH a ys 380418 238 55 es Y1Y0 238 ec 22 oe Ae lt lt 26 HOLV1 VLVG 934 o 5 2012 238 NAE 06 11 2 35 0 ipta Z Li 20 6r 612 26258 er lt lt a 8 ly N HOLV1 A3 NL or Y1VQ 0301 sy gt Nes xu s ey tr 2 p snun O0V Wa 2d8lN 6 OD D NO 2V e 21 N or ao H 6 2 4 135310 481 9 gt ez amp lt 05 STEE 5 E 01 A311v8 SNA98 030 A amp Er annoyo 2 N30 ne a 1 214 ONASH O3G0IA NI dW31 E334 21 se 35012 3 481 SNWASA O301A lt I 24 aNnos9 Mij 1097 1094 HOIH G3W 1300W et dniov8A 2 3j ze d31S HOION O3H D DNAS Y3MOd 52 ve 0N9 23u oc v1V0 34 Ets e e GN9 23u 62 ON 6 38 45 931 1u91u L wua e e QN9 238 vl N H21V1 031 92 GI 11V8 QV31 A s Enya t 12 QN9 238 D 12 ONASH O3GIA aNnoso ma lt gt 92 QN5 234 annoys 92 2012 148 931 1431 aay A 2 lt gt l QN9 238 sz HOLV1 037 Wav 1437 2 be E 81 dW3L LN
86. Test 1 Press DATE TIME button to enter menu page Press TREND button to access the Advanced Configuration menu 2 Write down all configuration settings so that they can be reset to customer preferences later If you have a printer press the PRINTER button to print out customer configuration settings 3 Set language to your native tongue if necessary to allow you to write down the other settings The top item is always the language press either SET buttons to step through list 4 Press TREND button to return to idle screen Press DATE TIME button and verify that date and time are correct Set date and time if necessary NOTE An incorrect date may indicate a battery problem If date was incorrect turn off unit disconnect AC power cable wait 5 minutes then reconnect the power cable Turn Atlas on Check date again If date comes back incorrect on mode 621 then replace main board On model 622 and 623 if battery was not dead then replace main board 5 Press DATE TIME button to return to waveform screen if needed 6 Press DATE TIME button then press LEAD SELECT button to access service mode 7 Version configuration data is in lower half of menu write it all down 8 Press SELECT button to highlight reset to factory defaults 9 Press BP START CANCEL button to reset configuration 10 Press TREND button to return to idle screen 11 Press DATE TIME button then press TREND button to access the Advanced Configuration menu 12
87. Tx TP13 08 5 5 08 CH R20 NIBP OP 117 12 12 PIC Data lt U8 2 2 eg SP232ACN 047uF 220pF 215 13 RS232 Rx PIC Data 07 15 08 6 6 ETCO2 Tx t sg 3 Os SPO2 Tx pg 3 HE Pid gt id De Eoo Front Panel 4 ETCO2 Rx VT a a 58 SPO2 Rx R15 TP12 TP14 D Spare 2 195 19 ad 220 ADC Clock SCD 5 SC 1 96K NIBP Data 29 a Ze 222 FE Clock SE SCL Shes ai Leas 4 ts Display NIBP 15mmHg 34 A a D2 SPI Data Out pg 3 0 1uF C LED Latch 59 5 D SPI Clock TP18 du peur 5V onnector 45V Video HSync 228 Batt ID y 45V Spare 3 29 27 28 Do FE Data p 1 D 28 Power Sync M 29 30 32 Rec Motor Step t 3 CON14AP 31 gt 0 gt Vbackup 33 34 34 Key Clock 2 Key Clock b 2 1 4 Vbackup NIBP Valve Close 35 36 PIC Clk R16 J Key Latch n b 4 Video VSync ES gt x 238 Speaker Audio E Per R TE dank SSES E On Off Key NIBP Offset DAC 39 40 EE XZ 74HCT08 LED Data b 8 7 Paqe3 ai 9 9 Pa NIBP2 PW ADC pg 3 1 LED Oi t s 2 gt as 4 42 Ca NW 12 a j u O 20205 66 Video Data 4 LED Latch b NE 9 0 gt Key Latch n 47 n 248 2s A M J 49 250 Nurse Call 4 T c p Rec Clock 512 2 52 Rec Data Latch 6 Rec Data 53 D Rec Strobe Key Latch n 5 J N lt HRESET 55 256 P 8 SPI data in 570
88. VALVE 620158 CHECK VALVE 620163 CABLE ASSY PUMP PNEUMATIC VLV 620165 CABLE CONN TO MAIN BD ECG 620167 CABLE MAIN BD TO DISPLAY BD 620168 2 CABLE ASSY POWER SUPPLY 620171 CABLE ASSY SPEAKER 620172 2 CABLE ASSY AC 620181 1 LABEL BOTTOM LOW END 620187 501 PNEUMATIC SUB ASSY 620189 4 20 X 5 16 SLT TORX PN PL ZIN 620192 1 PNEUMATIC CONNECTOR 620193 NUT HEX 5 16 32 X 095 PNEUM 620194 WASHER FLT 33 62 X 049 PNEUM 620197 BUSHING SPLIT NYLON 620198 FOOT Service Manual 6200 43E Rev D Appendix B Welch Allyn Atlas Monitor 119 Appendix B 120 Welch Allyn Atlas Monitor Repair Parts List Table B 3 Atlas 62150 repair parts Part Description 620200 501 CRT SUB ASY 620205 4 40 X 31 TX PN MC ST ZN 620214 1 TUBING SILICONE 1 16 50 620215 1 TUBING SILICONE 1 8 X1 00 620215 2 TUBING SILICONE 1 8 X 2 125 620215 3 TUBING SILICONE 1 8 X 7 50 620215 4 TUBING SILICONE 1 8 X 750 620216 FITTING Y 1 8 X 1 8 X 1 8 620217 FITTING T 1 8 X 1 16X 1 8 620373 501 NONIN SUB ASSEMBLY 620378 1 ATLAS KEYPAD BP START CANCEL 620378 2 ATLAS KEYPAD TREND LEAD PRINT 620378 3 ATLAS KEYPAD SP02 CLOCK POWER 620378 4 ATLAS KEYPAD 4 ALARMS 620378 5 ATLAS KEYPAD SILENCE ALARM 620378 6 ATLAS KEYPAD SILENCE BELL 620379 501 MONITOR BOX W INSERTS 620384 2C LOW LABEL W FREEZE CHINESE 620384 2E
89. Y EE 7 621xP Main Menu Architecture EES 8 Atlas System Block Diagram Y syne wea Aa E p EE k 9 Section 2 Service incoming Inspectii enoia EE 11 Calibration and Maintenance 5 1 12 Setting Date and Ee eet Ibo Golem ase i i ydd 14 Pangea Communication Protocol eade ek ee Y DDYN ue 14 BP cinere PN 14 rete ea IN b E Ru YG e ei er GU 17 250mmHe u a Ee 17 GO Reset 623xx Models Only irme anth 18 ET GO Gal ratio oou wo On ER VER EE Pe OR Ke 19 No Load Battery Voltage Calibration o 20 Battery Voltage Calibration u a to erupit eege ben put ANOS 24 Printer Print Adjustment 22 Temperature Galibra tho ns aan eae RS el a e YY WN RR Yo 23 Calibration Date GW a Na Ren 24 Explanation of an Atlas ee TE 25 Software Upgrade Procedure ed Ne degen 27 Down Loading PIOS enis redo ede ayayasqa Y CN 28 ii Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Section 3 Functional tests and Trouble Shooting E 37 Menu Pinctional Testin 38 liem ET 40 Staic Manometer Accuracy EE 41 BP E AME OR 42 Over 15 mmHg TeSt yggin 42 BE Dump Verific
90. Z txt 4 nvram language txt Atlas dl exe will also query the Atlas to determine what model number the Atlas is and what language to download Equipment or supplies required 1 PC with Windows7 95 or higher 2 Atlas serial cable 3 File atlas dl exe Included in the Atlas Repair Software listed in Table2 2 NOTE Make sure you have HyperTerminal turned off or the following utility download will not work 1 Run the program atlas dl exe from the CD or copy the file to your hard drive and run the program from there 2 Connect the serial cable between the Atlas and the PC s COM1 port 3 Turn your computer on and locate the atlas dl exe file 4 Double left click on the atlas dl exe file 5 When the file starts to download the CRT will go blank on the Atlas NOTE Do not usethe computer while the program is downloading 6 After down loading is complete check all alarm settings and all user advanced configuration settings since these are RESET by this utility software download procedure NOTE Stop here if you are just upgrading software on a fully functional Atlas monitor or if you have replaced the CPU board NOTE If you have replaced the MAIN BOARD then you MUST continue with the next procedure DOWNLOADING NVRAM FILES NOTE Perform the following NVRAM downloading procedure if you have replaced the MAIN BOARD The NVRAM resides on Main Board Service Manual 6200 43E Rev D Welch Allyn Atlas Monit
91. ajel x File Edit View Call Transfer Help m NP Die 28 Dl 4 angea H Downloading this initialization tile to Atlas wi reset _ Pan4 the blood pressure internal voltmeter and temperature calibration PandOpen constants to their nominal values angwg7 u Pangea gt t Blood pressure and the internal voltmeter will need to Pangea gt t be re calibrated before the instrument will operate properly Pangea gt t Panaea gt Panaea gt noecho Pangea gt Pangea gt Pangea Pangea gt Pangea Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Panaea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Panaea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Note Set printer_strobe_width_normal and the printer_strobe_width_text tos non zero if this instrument has a printer installed End of file Figure 2 11 Pangea screen after opening the nvram_cal_init txt file 8 From your pangea window choose Transfer then choose Send Text File
92. b 2 Figure 7 Boost converter Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 83 Appendix A Theory of Operation Battery Charger The battery charger is a PWM buck converter The input to the battery charger is 12VDC from the offline switcher The UC3843A normally a current mode controller is configured for voltage mode feedback The UC3843A has an under voltage lockout for lt 8 5 The controller operates such that with Vcc less than 8 5V the reference out is OV and will be at 5V with Vcc gt 8 5V Then the reference out pin 14 can be used as an AC ON detect signal The switching transistor for the buck converter is a P Channel MOSFET Q308 The output drive of the controller is the wrong polarity for driving a P Channel MOSFET in a step down mode Therefore transistor Q306 is added to invert the PWM out signal Fast turn on of Q308 is provided when Q306 is low fast turn off is though Q307 configured as an emitter follower The battery charger is a current limited temperature compensated charger Current limit is set to 1 5Amps Current through the 0 10hm sense resistor R327 is measured with Diff Amp U305B When the charger current is at 1 5Amps feedback is controlled by Op Amp U304A When the current drops below 1 5Amps the output of U304A goes low reverse biasing Diode D308 and feedback will be controlled by Op amp U304B Battery charge voltage is temperature compensated using Therm
93. cy uo S gte 5 SE 3 lt e 28 S lt gt Fx z m 2 258 e gt e Sg Sazl 2 Tue a2 a CINES ae zi o E g8s is s 2 5 2 gt lt 99 P ua na 2 lt 272 hv 852 uu 22 558 aj 395 uu mts 2 245 i Eee SUM m u m lt gt zs erae ox a 72 woz 2 215 se BOR RS zs 2 3 25332 Lil EZ es OF i 7 cxi bes 4 v 27 gt 3 Lu a lt 2 eg lt SE 558 ae ate gt lt gt gt gt gt SS 7 zz Sa gt gt M 25 e z lt V o 5 Lo e Lu a gt a Ze e aS i T Unt o SE s Li T eu 25 lt as ES 2 YSOL a lt gt Ss O a ee Leg 9 1 aNnoso wie I 038 I Azi ov 038 1 938 4 _ N 7 wa 1 5 AN 8855555 4 er PS i i _ 2 2 5 7 lt gt Es 3e ac o ps x y
94. display A B c D E REV Description ECN ECO Init Date Ckd A Release to Production 5 39251 JAC 3 23 99 LPP B No Load D16 5 39485 4 28 99 LPP D13 to Low Profile R51 to 316 5 39994 LPP 7 23 99 4 VCC TP66 SW23 T T 3o xa 82 9 8 7 6 VCC 2 n ETCO2 Alarm On Off SW24 R5 1 10K 10 5 a TP67 TP68 TP69 TP70 71 e n e e v e 5 1 2 10 LU e 1 2 etco2 sw 11 1 2 3 4 R6 N HRalarm sw i i i i i 12 B Pull up Resistor Network Detail 10K HR Alarm On Off LHselect sw 13 sw2 A A tim fale LHAdjust sw 4 i 14 D TP72 TP73 TP74 TP75 TP76 1 2 LHAdjust sw 3 U3 t H A SW4 10 9 F SER L 5 TP77 QRS Volume 4 1 2 QRSvol sw 11 sw3 6 9 u2 9 d QRSvol sw i i 12 H lt B LH Select 1 ae Alarmvol sw i 1 13 c 2 7 SW6 Alarmvol sw 14 D e e 15 2 QRS Volume i 1 12 Time sw 4 1 3 Sws 1 INH 4 7 93 4 4 E SH LD A F LH Adjust 4 1 2 Sw8 6 9 ey cH
95. error message ECG Lead fault and that you see the three LED bars flash where the heart rate was on the CRT 12 Press HR ALARMS Off button 13 Verify that the audio alarm stops and that the visual alarm on the CRT remains 14 Press HR ALARMS OFF button Connect ECG simulator to the Atlas and set simulator to normal sinus 60 bpm 15 Press left SELECT button and the HI heart rate alarm parameter will flash Set the high heart rate alarm to 55 bpm on the Atlas and press the SELECT button again and the low heart parameter will flash Press SELECT button one more time to return to the default screen 16 Verify that you hear the audio alarm and that you see the numeric value flashing in the upper right portion of the monitor 17 Return the high alarm limit to 120 bpm and press SELECT button Verify the audio alarm should is silent and the numeric visual alarm is flashing 18 Press SELECT button twice Verify the numeric low alarm parameter is flashing 48 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Troubleshooting Section 3 19 Set the LOW alarm for 65 bpm by pressing the up SET button Press SELECT button 20 Verify that you hear the audio alarm and that you see the numeric value is flashing in the upper right portion of the monitor 21 Turn the Atlas off Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 49 Section 3 Troubleshooting Respiration Alarms Test 1 2 10 11 12 13
96. lt IRO_n 0 7 D 0 31 c E Do31 gt alas 8505 CS ni07 lt lt lt lt 3599393 lt CS A 6 31 a cleleldlalalal 5555555 A 6 31 gt v 2 ol al a ja ja l la ha rs oo la le la fig Is le o l la feo l la fo info 1 IRIS IR IR IS IS le JA JO JA JA JO JA JO Jo a Fle 2 Ten a _ Dn 2 _ _ _ zi2 zen n 7 zs s 2 2 2 s z s Z zz z aaa k b S nia 2101015151510 a BG_n BB_n SAFARRTHRVRRASHramMenOR BAST ANRTHSRSISs _ eed ccc z E lt lt lt lt 2229299929929 9 ee 555 dal al Dal d al a NU MINOR cU c E Case e c Q e SPKROUT wc EE 0 evga 885 4 dadag 999990922 H mg FFG bal FRZ VDDH a 3 ogus SS SSS zo 2 5 s 52886 299755 Ea Ug S 5 0 9 tz NG See NS See EK cc P Ste see Els sya 25555 zi Q s 46 U VDDH1 5 lt a a2 SS E6 La et UU E vVDDH2 EECH 6296 E E7 Aem A oM te sei ce 2885
97. output saturates high at about 5 5V The voltage out of each buffer is monitored to detect a leads off condition Input Buffers Gain 9 26 C510 220pF VLdsOff Figure A 30 Input buffer circuit Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 105 Appendix A Theory of Operation Wilson Network Lead Select Mux 5 wire front end must be able to render the following vectors I RA II LL III LL LA aVR RA 1 2 LA LL aVL LA 1 2 RA LL aVF LL 1 2 LA RA V 1 3 RA LA LL A resistor divider network Wilson Network is used to create the terms above These vec tors are then switched though the two Lead Select Mux s and into the differential amplifier Lead Select Wilson ES e U505 Network 2081 RA x ae x2 R529 10K G x4 X5 R530 10K LA X7 R531 10K mH v n R532 10K 7 LLX L R533 10K E 0506 4051 R534 10 3 mux 1 8 x wr x2 gt R535 10K x X6 R536 10K KI INH R537 10K a Ke Le Figure A 31 Lead select circuit Differential Amplifier and Slew rate limit A traditional 3 opamp gain stage U507 and U508 is used to construct the differential amplifier The topology is modified slightly with the addition of slew rate limiting U509 The ECG signal is slew ra
98. po MTP30N06VL sil R346 eile U306 100 R348 LF33CV 10K 3 5 C324 R347 IN gt gt 3 3V 12V 1000pF 10K a R341 324 2 C328 z C329 C330 10K Rem 100uF 047uF i 5V Linear 3 d Ka 8 8 Z Low E b 5 Dropout 1 2 bord U305A MC34072 5VRet 0326 R350 10K BAV7OL SR 12 1 C327 AC 12V fuse gt 2 Figure A 9 Linear regulator A D grounded circuits The A D converter is designed by building a pulse width modulator PWM and a timer cir cuit The PWM runs at a 1 2KHz rate synchronized by the A D sync signal NIBP ADC Clock A D sync is low for 52 1uSec high for 781 25uSec Component values are selected such that the integrator will ramp down 4 7V and ramp up 7 83V The voltage at the integra tor output 0601 1 is limited to about 5V 5V 73 2 83 2 Vdiode Then the integrator starts at 5V and ramps linearly down to 0 3V The analog input voltage to be digitized and the integrator output are the inputs to compar ator U210 The output of the comparator is low at the start of an A D cycle and switches high as the integrator ramp drops below the input voltage being digitized see the timing diagram below A D conversion is accomplished by measuring the width of the PWM out put signal The A D timer runs at 25 175MHz then the A D resolution is about 21000 counts over 14 bits Note that since the outpu
99. two machine screws holding CRT to the front panel NOTE Notice how the ground wire 15 attached and is located along the side of CRT Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 71 Section 4 Disassembly and Repair NOTE TheCRT and deflection PCB are factory tuned as a unit and are sold only together as a unit 21 Display PCB Removal Remove all 9 self tapping screws that hold the Display PCB to the Bezel NOTE Notice the correct orientation of CRT screw and washer 72 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Disassembly and Repair 22 Printer Door Button Removal Use a small screwdriver to push the door button tab up and away from the pin that locks it onto the printer frame NOTE Notice how the printer button is being removed 23 Printer Assembly Locking Tab Release Pull the locking tab down and towards the front of the rear housing assembly Service Manual 6200 43E Rev D Section 4 Welch Allyn Atlas Monitor 73 Section 4 Disassembly and Repair rary 24 Printer Positioning Slot Removal Make sure printer door is open Begin to P pull the positioning slots towards the front of the rear housing and then out from the Positioning rear housing lt Slots d 25 Printer Assembly Removal After printer positioning slots have cleared the front rear housing pull the printer down and out of the rear housing 26 Printer Lip Ass
100. utiq 145 q 8 105095 ZOD gt 0191345415 Lu uongrm8ruop 03105 23e J sseIppy sng uIo s S 2207 119135415 200 205 A OU S H STRUBIS HOA dung SIO9ALI T 031u07 ddIN Iosuas OdS 189 257 85 pe1e os pa1e os urojs o qng 2085 ZE 285 54 cec S TLL TLL EZECBOdN 01030 A 191818494 8 sng 91 X 218 Wvuds 91 X INT Welch Allyn Atlas Monitor 9 Service Manual 6200 43E Rev D Service Section 2 Incoming Inspection NOTE Use the following guidelines when unpacking the monitor from its shipping carton 1 Before opening the monitor shipping carton check for damage 2 If damage is apparent stop unpacking the carton and contract the shipping company for further instructions If the carton is intact unpack the monitor 3 With the monitor out of its carton check to see that all the items listed on the packing slip are in the shipping carton See table 2 1 below Table 2 1 Atlas Packing List Qty Description 1 Warrantycard 1 Adult Durable 1pc Cuff 1 Large Adult Durable 1pc Cuff 1 sftStraight Hose 1 Patient Cable Three Lead 3 ECG Lead Wires JL 1 SpO Sensor FingerClip 1 Atlas Monitor 1 Detachable Power Corda 1 Print
101. 0 Atlas 623SP repair parts Part Description 620168 2 CABLE ASSY POWER SUPPLY 620171 CABLE ASSY SPEAKER 620172 2 CABLE ASSY AC 620173 CABLE TEMP SENSOR TO MAIN BD 620175 CABLE ASSY FAN 620176 CABLE ASSY PRINTER 620177 CABLE ASSY PRINT HEAD 620181 3 LABEL BOTTOM HIGH END 620182 LABEL RS232 620187 501 PNEUMATIC SUB ASSY 620189 4 20 X 5 16 SLT TORX PN PL ZIN 620192 1 PNEUMATIC CONNECTOR 620193 NUT HEX 5 16 32 X 095 PNEUM 620194 WASHER FLT 33 X 62 X 049 PNEUM 620197 BUSHING SPLIT NYLON 620198 FOOT 620200 501 CRT SUB ASY 620205 4 40 X 31 TX PN MC ST ZN 620207 NUT M3 5 HEX KEPS ST ZN 620214 1 TUBING SILICONE 1 16 50 620215 1 TUBING SILICONE 1 8 X1 00 620215 2 TUBING SILICONE 1 8 X 2 125 620215 3 TUBING SILICONE 1 8 X 7 50 620215 4 TUBING SILICONE 1 8 X 750 620216 FITTING Y 1 8 X 1 8 X 1 8 620217 FITTING T 1 8 X 1 16X 1 8 620373 501 NONIN SUB ASSEMBLY 620378 1 ATLAS KEYPAD BP START CANCEL 620378 2 ATLAS KEYPAD TREND LEAD PRINT 620378 3 ATLAS KEYPAD SP02 CLOCK POWER 620378 4 ATLAS KEYPAD 4 ALARMS 620378 5 ATLAS KEYPAD SILENCE ALARM 620378 6 ATLAS KEYPAD SILENCE BELL 620379 501 MONITOR BOX W INSERTS Service Manual 6200 43E Rev D Repair Parts Lists Table B 10 Atlas 623SP repair parts
102. 0 99 7 ive 5 o N N o o o o N D D o o o o o o 62150 BB 02 5000 10 14 02 01 0000 6 20 99 02 5000 10 14 02 AA 01 0000 6 20 99 V1 8 1 0 10 14 02 621SP AA 01 4000 9 8 99 01 0000 6 20 99 62130 6218 BB 02 0000 4 4 01 01 0000 6 20 99 Wz 621SP BB 02 2000 6 4 02 _ 01 0000 6 20 99 ES NIN 621SP 02 5000 10 14 02 AA 01 0000 6 20 99 621NP BB 02 5000 10 14 02 01 0000 6 20 02 V1 8 1 0 10 14 02 AA 01 4000 9 8 99 AA 01 0000 6 20 99 62250 BB 02 0000 4 4 01 AA 01 0000 6 20 99 62250 BB 02 2000 6 4 02 AA 01 0000 6 20 99 62250 BB 02 2000 6 4 02 AA 01 0000 6 20 99 62250 02 5000 10 14 02 01 0000 6 20 99 6225 01 4000 9 8 99 AA 01 0000 6 20 99 6225 BB 02 0000 4 4 01 01 0000 6 20 99 6225 BB 02 2000 6 4 02 AA 01 0000 6 20 99 6225 02 5000 6 14 02 01 0000 6 20 99 AA 01 4000 9 8 99 AA 01 0000 6 20 99 V 1 2 0 0 12 17 97 BB 02 0000 4 4 01 AA 01 0000 6 20 99 V 1 2 0 0 12 17 97 6225 ojojo SN NI N N o 22N 22 22 22 o o BB 02 2000 6 4 02 AA 01 0000 6 20 99 V 1 2 0 0 12 17 97 Z Z Z o o 02 5000 10 14 02 AA 01 0000 6 20 99 V 1 8 1 0 10 14 02 22NP AA 01 4000 9 8 99 01 0000 6 20 99 V 1 2 0 0 12 17 97
103. 0 IN ANY FREE AREA LABEL PERMITTED J HOWARD 4 15 99 em WELCH ALLYN MUST BE NOTIFIED PRIOR TO ANY EDMONDSON 4 15 99 ASSY NONIN SPO2 HARDWARE OR SOFTWARE CHANGE cap SOFTWARE PRO E BOARD WITH SHIELD TRANSLATED FROM UNLESS OTHERWISE SPECIFIED DRAWING NO TOLERANCES DIMENSIONS 4 02 ARE IN 1255210 620154 Alles 25005 CES 000 SHEET I of Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 179 Figure D 33 Nonin SpO2 Board with Shield REV DESCRIPTION ECN ECO DATE CKD 0 5 RELEASE TO PRODUCTION X16 5 39056 JRS 2 25 99 T W m 9 827 H REVISED WIRING AND PIN LOCATIONS 5 39993 JRS 1 20 99 1 W D c T ALL sae ons pono mA 0 GEAR DATA NUMBER OF TEETH 15 0 5 DIAMETRAL PITCH 64 2 PLCS 4 8859 25 PRESSURE ANGLE 20 SE AGMA CLASS 6 OR BETTER MATERIAL BRASS CDA 360 SEE NOTE 2 QU E et a m Ste
104. 00 43E Rev D Welch Allyn Atlas Monitor 117 Appendix B Repair Parts List Table B 2 Atlas 621NP repair parts Part Description 620384 1G LOW LABEL W PRINTER GERMAN 620384 11 LOW LABEL W PRINTER ITALIAN 620384 1 LOW LABEL W PRINTER JAPANESE 620384 1P LOW LABEL W PRINTER PORT 620384 15 LOW LABEL W PRINTER SPANISH 620385 SUB LABEL DISPLAY 620386 FASTON TAB 620388 2 LABEL NELLCOR SENSOR 620393 PWR SUPPLY INSULATOR LABEL 620394 1 WASHER SHOULDER PLATED 620403 FLAT TIE HOLDER 620494 501 ATLAS FAN KIT 620530 D CONN LOCATOR NELLCOR MP506 620531 CABLE ASSY NELLCOR MP506 Sen 620532 NELLCOR MP506 SPO2 PCB 761077 1 WIRE TIE 118 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Repair Parts Lists Table B 3 Atlas 621S0 repair parts Part Description 620001 503 MAIN PCB ASSY LOW END 620004 502 ATLAS CPU PCB ASSY 620007 501 FRONT PANEL DISPLAY PCB ASSY 6200 43E SERVICE MANUAL ATLAS 620089 BATTERY 3V LITHIUM 620105 3 BATTERY DOOR 620119 LATCH 5 2 620125 502 MAIN CASE HANDLE SET W PANEL 620126 4 BEZEL SET HEAT TRANSFER 620131 1 MAIN FOAM 620132 2 TOP FOAM 620133 BP FOAM 620141 METAL HOUSING TOP 620142 1 METAL HOUSING BOTTOM LG 620144 BRACKET 5 2 620150 1 AC DC POWER SUPPLY 620156 PUMP 620157 STEPPER
105. 04 2337 7 6 2004 2378 5 27 2004 2338 7 7 2004 2379 5 28 2004 2339 7 8 2004 2380 5 29 2004 2340 7 9 2004 2381 5 30 2004 2341 7 10 2004 2382 5 31 2004 2342 7 11 2004 2383 6 1 2004 2343 7 12 2004 2384 6 2 2004 2344 7 13 2004 2385 6 3 2004 2345 7 14 2004 2386 6 4 2004 2346 7 15 2004 2387 6 5 2004 2347 7 16 2004 2388 6 6 2004 2348 7 17 2004 2389 6 7 2004 2349 7 18 2004 2390 6 8 2004 2350 7 19 2004 2391 6 9 2004 2351 7 20 2004 2392 6 10 2004 2352 7 21 2004 2393 6 11 2004 2353 7 22 2004 2394 6 12 2004 2354 7 23 2004 2395 6 13 2004 2355 7 24 2004 2396 6 14 2004 2356 7 25 2004 2397 6 15 2004 2357 7 26 2004 2398 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 193 Appendix E Calibration Date Table Calibration Date Number of Days Calibration Date Number of Days 7 27 2004 2399 9 6 2004 2440 7 28 2004 2400 9 7 2004 2441 7 29 2004 2401 9 8 2004 2442 7 30 2004 2402 9 9 2004 2443 7 31 2004 2403 9 10 2004 2444 8 1 2004 2404 9 11 2004 2445 8 2 2004 2405 9 12 2004 2446 8 3 2004 2406 9 13 2004 2447 8 4 2004 2407 9 14 2004 2448 8 5 2004 2408 9 15 2004 2449 8 6 2004 2409 9 16 2004 2450 8 7 2004 2410 9 17 2004 2451 8 8 2004 2411 9 18 2004 2452 8 9 2004 2412 9 19 2004 2453 8 10 2004 2413 9 20 2004 2454 8 11 2004 2414 9 21 2004 2455 8 12 2004 2415 9 22 2004 2456 8 13 2004 2416 9 23 2004 2457 8 14 2004 2417 9 24 2004 2458 8 15 2004 2418 9 25 2004 2459 8 16 2004 2419 9 26 2004 2460 8 17 2004 2420 9 27 2004 2461 8 18 2004 2421 9 28 20
106. 04 2462 8 19 2004 2422 9 29 2004 2463 8 20 2004 2423 9 30 2004 2464 8 21 2004 2424 10 1 2004 2465 8 22 2004 2425 10 2 2004 2466 8 23 2004 2426 10 3 2004 2467 8 24 2004 2427 10 4 2004 2468 8 25 2004 2428 10 5 2004 2469 8 26 2004 2429 10 6 2004 2470 8 27 2004 2430 10 7 2004 2471 8 28 2004 2431 10 8 2004 2472 8 29 2004 2432 10 9 2004 2473 8 30 2004 2433 10 10 2004 2474 8 31 2004 2434 10 11 2004 2475 9 1 2004 2435 10 12 2004 2476 9 2 2004 2436 10 13 2004 2477 9 3 2004 2437 10 14 2004 2478 9 4 2004 2438 10 15 2004 2479 9 5 2004 2439 10 16 2004 2480 194 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Calibration Date Table Appendix E Calibration Date Number of Days Calibration Number of Days 10 17 2004 2481 11 27 2004 2522 10 18 2004 2482 11 28 2004 2523 10 19 2004 2483 11 29 2004 2524 10 20 2004 2484 11 30 2004 2525 10 21 2004 2485 12 1 2004 2526 10 22 2004 2486 12 2 2004 2527 10 23 2004 2487 12 3 2004 2528 10 24 2004 2488 12 4 2004 2529 10 25 2004 2489 12 5 2004 2530 10 26 2004 2490 12 6 2004 2531 10 27 2004 2491 12 7 2004 2532 10 28 2004 2492 12 8 2004 2533 10 29 2004 2493 12 9 2004 2534 10 30 2004 2494 12 10 2004 2535 10 31 2004 2495 12 11 2004 2536 11 1 2004 2496 12 12 2004 2537 11 2 2004 2497 12 13 2004 2538 11 3 2004 2498 12 14 2004 2539 11 4 2004 2499 12 15 2004 2540 11 5 2004 2500 12 16 2004 2541 11 6 2004 2501 12 17 2004 2542 11 7 2004 2502 12 18 2004 2543 11 8 2004 2503 12 19 2004 2544 11 9 2004 2504 1
107. 06 3217 9 13 2006 3177 10 24 2006 3218 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 203 Appendix E Calibration Date Table Calibration Date Number of Days Calibration Date Number of Days 10 25 2006 3219 12 5 2006 3260 10 26 2006 3220 12 6 2006 3261 10 27 2006 3221 12 7 2006 3262 10 28 2006 3222 12 8 2006 3263 10 29 2006 3223 12 9 2006 3264 10 30 2006 3224 12 10 2006 3265 10 31 2006 3225 12 11 2006 3266 11 1 2006 3226 12 12 2006 3267 11 2 2006 3227 12 13 2006 3268 11 3 2006 3228 12 14 2006 3269 11 4 2006 3229 12 15 2006 3270 11 5 2006 3230 12 16 2006 3271 11 6 2006 3231 12 17 2006 3272 11 7 2006 3232 12 18 2006 3273 11 8 2006 3233 12 19 2006 3274 11 9 2006 3234 12 20 2006 3275 11 10 2006 3235 12 21 2006 3276 11 11 2006 3236 12 22 2006 3277 11 12 2006 3237 12 23 2006 3278 11 13 2006 3238 12 24 2006 3279 11 14 2006 3239 12 25 2006 3280 11 15 2006 3240 12 26 2006 3281 11 16 2006 3241 12 27 2006 3282 11 17 2006 3242 12 28 2006 3283 11 18 2006 3243 12 29 2006 3284 11 19 2006 3244 12 30 2006 3285 11 20 2006 3245 12 31 2006 3286 11 21 2006 3246 1 1 2007 3287 11 22 2006 3247 1 2 2007 3288 11 23 2006 3248 1 3 2007 3289 11 24 2006 3249 1 4 2007 3290 11 25 2006 3250 1 5 2007 3291 11 26 2006 3251 1 6 2007 3292 11 27 2006 3252 1 7 2007 3293 11 28 2006 3253 1 8 2007 3294 11 29 2006 3254 1 9 2007 3295 11 30 2006 3255 1 10 2007 3296 12 1 2006 3256 1 11 2007 3297 12 2 2006 3257 1 12 2007 3298 12 3 2006 3258 1 13 2007 3299 12 4 2006
108. 1 4PINCONNECTOR MOL EX 22 01 3047 1 ALL CONNECTORS ARE TO BE UL RECOG NIZED COMPONENTS AND CSA CERTIFIED QTY ITEM DESCRIPTION CONNECTOR MATERIAL SHALL HAVE FLA MMABILITY RATINGS OF 94V 2 OR BETTER 620166 1 THIS DRAWING REV C AND ABOVE N iw nn co 1 1 1 1 1 1 8 NOTES 620166 2 WIRE SPECIFICATIONS PART NO DESCRIPTION TYPE U L 1061 GSA AWM 1 THESE DRAWINGS AND SPECIFICATIONS AR E THE PROPERTY OF WELCH ALLYN INC AND SHALL NOT BE REPRODUCED OR COPI ED OR USED AS A BASIS FOR MANUFACTU RE ORSALE OF EQUIPMENT OR DEVICES WITH OUT WRITTEN PERMISSION COLOR CODED 009 THK NOM PVC INS ULATION Gees DRAWN DATE TEMP RANGE 10 CTO 80 C JB ENGEL 13 Jan 99 VOLTAGE RATING 300V APPROVED DATE MATERIAL ZIP 2 19 99 STRANDED TINNED COPPER CONDUCTOR REL TO PROD DATE FINISH RECOGNIZED COMPONENT MARK RU AND CS A MUST J BELLO 219 99 APPEAR ON SPOOL OR BE STAMPED WI RE a CABLE ASSY CAD SOFTWARE PE CO2 TRANSLATED FROM ME10 UNLESS OTHERWISE SPECIFIED B DRAWING NO REV DIMENSIONS MS NES ME ARE IN 6201 66 C XX INCHES ANGLES SCALE ONE SHEET lof 1 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 183 Figure D 37 CO cable assembly REV DESCRIPTION ECN ECO INIT DATE CKD A RELEASE TO PRODUCTION X
109. 1 21 2005 2881 10 12 2005 2841 11 22 2005 2882 10 13 2005 2842 11 23 2005 2883 10 14 2005 2843 11 24 2005 2884 10 15 2005 2844 11 25 2005 2885 10 16 2005 2845 11 26 2005 2886 10 17 2005 2846 11 27 2005 2887 10 18 2005 2847 11 28 2005 2888 10 19 2005 2848 11 29 2005 2889 10 20 2005 2849 11 30 2005 2890 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 199 Appendix E Calibration Date Table Calibration Date Number of Days Calibration Date Number of Days 12 1 2005 2891 1 11 2006 2932 12 2 2005 2892 1 12 2006 2933 12 3 2005 2893 1 13 2006 2934 12 4 2005 2894 1 14 2006 2935 12 5 2005 2895 1 15 2006 2936 12 6 2005 2896 1 16 2006 2937 12 7 2005 2897 1 17 2006 2938 12 8 2005 2898 1 18 2006 2939 12 9 2005 2899 1 19 2006 2940 12 10 2005 2900 1 20 2006 2941 12 11 2005 2901 1 21 2006 2942 12 12 2005 2902 1 22 2006 2943 12 13 2005 2903 1 23 2006 2944 12 14 2005 2904 1 24 2006 2945 12 15 2005 2905 1 25 2006 2946 12 16 2005 2906 1 26 2006 2947 12 17 2005 2907 1 27 2006 2948 12 18 2005 2908 1 28 2006 2949 12 19 2005 2909 1 29 2006 2950 12 20 2005 2910 1 30 2006 2951 12 21 2005 2911 1 31 2006 2952 12 22 2005 2912 2 1 2006 2953 12 23 2005 2913 2 2 2006 2954 12 24 2005 2914 2 3 2006 2955 12 25 2005 2915 2 4 2006 2956 12 26 2005 2916 2 5 2006 2957 12 27 2005 2917 2 6 2006 2958 12 28 2005 2918 2 7 2006 2959 12 29 2005 2919 2 8 2006 2960 12 30 2005 2920 2 9 2006 2961 12 31 2005 2921 2 10 2006 2962 1 1 2006 2922 2 11 2006 2963 1 2 2006 2923
110. 1 8 3 Rec Paper Out 330pF 330pF 330pF 330pF Recorder Motor Step 2 7 Recorder Motor Step x PC11 N Main Power Sync 3 6 76 8KHz TMS R88 Main Supply On 2 5 6 1 8 On Standby Key PC4 7 EKG PWM ADC NIBP Offset DAC 2 2 7 NIBP Offset DAC x NL 4 d pes a 100 10 8 Spare 3 Rec Paper Out 3 6 PC7 C67 C68 Cen IRQ nO 9 a 4 5 lt 330pF 330pF 330pF 330pF e d R120 ES R81 100 C Ge Cor EKG PWM ADC 1 s TIN1 330pF 330pF 330pF 330 d 2 7 R16 N N NIBP 15mmHg 3 6 NIBP 15mmHg x 1 e e R90 NIBP Overpressure 4 5 NIBP Overpressure x 5 2 SPKROUT 1 8 NIBP PWM ADC 2 3 TS n FE Clock 2 7 FE Clock x BG n FE Data FE Data x ecl 100 B ADC Clock 6 gs C76 x 3 4 5 PWM Input Timer Signals 1 PER e Se 330pF 330pF 330pF 330pF p g 6 NIBP Fault T NIBP Fault x N N Spare 1 ES e A A WAIT B 100 n 10 8 T IP B2 C102 C103 L C104 C105 9 B3 330pF 330pF 330pF 330pF s gt A R116 VDDH R91 10K 1 8 1 IP B4 Spare 1 2 7 PB19 5 2 B5 Spare 2 3 6 PC13 3 IP B6 Spare 3 4 5 17 4 87 NIBP2 PW ADC TIN3 100 6 FRZ lt B 2 7 C123 C124 C125 C126 7 2 71 330pF 330pF 330pF 330pF DREQ1_n N 10 8 9 DREQ2_n gt On Standby Key Welch Allyn Inc Initial Date Drawn Schematic 620005 dsn Jim Belesiu Mar 5 19
111. 1 8 5 2003 2042 6 26 2003 2002 8 6 2003 2043 6 27 2003 2003 8 7 2003 2044 6 28 2003 2004 8 8 2003 2045 6 29 2003 2005 8 9 2003 2046 6 30 2003 2006 8 10 2003 2047 7 1 2003 2007 8 11 2003 2048 7 2 2003 2008 8 12 2003 2049 7 3 2003 2009 8 13 2003 2050 7 4 2003 2010 8 14 2003 2051 7 5 2003 2011 8 15 2003 2052 7 6 2003 2012 8 16 2003 2053 7 7 2003 2013 8 17 2003 2054 7 8 2003 2014 8 18 2003 2055 7 9 2003 2015 8 19 2003 2056 7 10 2003 2016 8 20 2003 2057 7 11 2003 2017 8 21 2003 2058 7 12 2003 2018 8 22 2003 2059 7 13 2003 2019 8 23 2003 2060 7 14 2003 2020 8 24 2003 2061 7 15 2003 2021 8 25 2003 2062 7 16 2003 2022 8 26 2003 2063 7 17 2003 2023 8 27 2003 2064 7 18 2003 2024 8 28 2003 2065 7 19 2003 2025 8 29 2003 2066 7 20 2003 2026 8 30 2003 2067 7 21 2003 2027 8 31 2003 2068 7 22 2003 2028 9 1 2003 2069 7 23 2003 2029 9 2 2003 2070 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 189 Appendix E Calibration Date Table Calibration Date Number of Days Calibration Date Number of Days 9 3 2003 2071 10 14 2003 2112 9 4 2003 2072 10 15 2003 2113 9 5 2003 2073 10 16 2003 2114 9 6 2003 2074 10 17 2003 2115 9 7 2003 2075 10 18 2003 2116 9 8 2003 2076 10 19 2003 2117 9 9 2003 2077 10 20 2003 2118 9 10 2003 2078 10 21 2003 2119 9 11 2003 2079 10 22 2003 2120 9 12 2003 2080 10 23 2003 2121 9 13 2003 2081 10 24 2003 2122 9 14 2003 2082 10 25 2003 2123 9 15 2003 2083 10 26 2003 2124 9 16 2003 2084 10 27 2003 2125 9 17 2003 2085 10 2
112. 12V to Q1 to Rsense through the coil to Q4 to Ground The negative current path is from 12V to Q3 through the Coil to Rsense to Q2 to Ground The input to the vertical amplifier is the ramp voltage generated above The objective of the vertical amp is to match the current through the vertical coil with the input ramp control voltage Current through the vertical coil is monitored through the sense resistor formed from R15 R16 and R17 Voltage across the sense resistor is measured with the differential amplifier U1B This voltage is then used as the feedback voltage to the control opamp U2A Zero Adjust The output voltage from the ramp generator is a ramp from 5 0V to 1 05V nominal The center of this ramp is 3 0V Then the output of the current sense diff amp must be offset by 3 0V This is accomplished with the Zero Adjust Network Resistors R9 R10 and R11 Verti cal centering is then accomplished by writing a pattern to the CRT and adjusting R10 to center the display Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 93 Appendix A Theory of Operation Size Adjust Adjusting the current through the Vertical Coil changes vertical deflection The voltage across the sense resistor is Vsense Vramp Voffset 1 02 1 02 is the gain of the current sense diff amp Current through the coil is equal to current through the sense resistor network coil Isense Vsense Rsense Then adjusting the value of the sense resisto
113. 14 15 16 Turn Atlas on Press DATE TIME button then press TREND button to access Advanced Configuration menu Press SELECT button to scroll down to Second Trace Press SET button and set second trace to respiration Press TREND button to return to default screen Set respiration on simulator to 20 respirations minute and connect to the Atlas Press left SELECT button three times and set the hi respiration alarm to less than 20 Wait 10 seconds and the CRT will return to the default screen Verify that you hear the audio alarm and that the respiration numeric value on the CRT is flashing Press CO RESP ALARMS off button Verify that the audio alarms are silent the visual numeric alarm is flashing and that the red LED in the CO RESP ALARM off button is lit Press left SELECT button three times to access hi respiration alarms and set hi alarm to 30 Wait ten seconds and the CRT will return to the default screen Press CO RESP ALARM off BUTTON then press left SELECT button four times to access low respiration alarms and set low respiration alarms to 25 Wait 10 seconds and CRT will return to the default screen Verify that you hear the audio alarm and that the respiration numeric value on the CRT is flashing Press CO RESP ALARMS off button Verify that the audio alarms are silent the visual numeric alarm is flashing and that the red LED in the CO RESP ALARM off button is lit Turn Atlas off 50 We
114. 1685104 620156 antes d SHEET I of Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 181 Figure D 35 Pump Pneumatic A 1 75 25 3 8 E 2 9 4 J SCH 2 d Lj i e m 11 f N 5 J 77 3 6 350 25 NOTES 1 ALL CONNECTORS ARE TO BE UL RECOG CONNECTOR MATERIAL SHALL HAVE FLA NIZED COMPONENTS AND CSA CERTIFIED MMABILITY RATINGS OF 94V 2 OR BETTER 2 WIRE SPECIFIATIONS TYPE U L 1061 CSA AWM I A B COLOR CODED 009 THK NOM PVC INS ULATION TEMP RANGE 10 CTO 80 VOLTAGE RATING 300V STRANDED TINNED COPPER CONDUCTOR RECOGNIZED COMPONENT MARK RU AND CS A MUST APPEAR ON SPOOL OR BE STAMPED ON WI RE SECTION A A REV DESCRIPTION DATE RELEASE TO PRODUCTION X2 5 39025 JRS 2 18 99 TW ITEM 1 ITEM 3 gt co 2 11 SHRINK TUBE 10 WIRE m WIRE 22GA BROWN WIRE 22GA BLUE WIRE 22GA RED WIRE 22GA BLACK WIRE 22GA WHITE CONTACTS MQLEX 08 5 0 0113 6 PIN CONNECTOR MOL ECG PINS FEMALE A N eno 1 1 1 1 1 1 1 6 1 6 EX 22 01 3067 MP 66105 3 1 ECG CONNECTOR WA PAR T 620102 QTY ITEM DESCRIPTION PART NO DESCRIPTION THESE DRAWINGS
115. 2 5 39025 JRS 21889 TW B GE 239627 JBS 151999 ITW c Gagean onen anu e e 350 MAN FOR SHIELDED CABLE 130 MAX FOR COAX CABLE SHIELD 400 25 00 06 HEAT SHRINK REF BOTH CABLES THROUGH CABLE REF FERRITE LOCATE AT MID POINT 2 S 1 SEE DETAIL B Ga DRAINWIRE YELLOW 2 Sa SHRINKWRAPPED BOTH ENDS NE I CONNECTOR REF O PIN 1 J F 250 STRIP ME i o mts SHIELD OVER SHIELD DETAIL B Up ena OVERLAP SEAM 4PLCS E NX as 16 FAIR RITE 2643625102 eg 4 5 HEAT SHRINK KE KEE Sch 1 4 COAX CABLE BELDON 821 6 1 3 SHIELDED CABLE CAROL CO742 W DRAIN BRAID SHIELD CONNECTED TO 26 AWG ORANGE 1 2 3MCONNECTOR 89110 0101 JUMPER WIRE VIA SOLDER BRIDGE COVER WITH LOW TEMPERATURE SHRINK TUBING BOTHE ENDS 1 5 2 CONNECTOR AMP 7 45491 2 QTY ITEM DESCRIPTIO EEN c 620169 2 THIS PART REV C AND ABOVE m m 5 MIDDLE COAX 1 620169 1 THIS PART REV AND ABOVE ORANGE JUMPER FROM COAX SHIELD J 9 nm www 4 620169 THIS PART 6 GREEN 5 PART NO DESCRIPTION WHITE 6 BLACK THESE DRAWINGS AND SPECIFICATIONS AR E THE PR
116. 2 12 2006 2964 1 3 2006 2924 2 13 2006 2965 1 4 2006 2925 2 14 2006 2966 1 5 2006 2926 2 15 2006 2967 1 6 2006 2927 2 16 2006 2968 1 7 2006 2928 2 17 2006 2969 1 8 2006 2929 2 18 2006 2970 1 9 2006 2930 2 19 2006 2971 1 10 2006 2931 2 20 2006 2972 200 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Calibration Date Table Appendix E Calibration Number of Days Calibration Date Number of Days 2 21 2006 2973 4 3 2006 3014 2 22 2006 2974 4 4 2006 3015 2 23 2006 2975 4 5 2006 3016 2 24 2006 2976 4 6 2006 3017 2 25 2006 2977 4 7 2006 3018 2 26 2006 2978 4 8 2006 3019 2 27 2006 2979 4 9 2006 3020 2 28 2006 2980 4 10 2006 3021 3 1 2006 2981 4 11 2006 3022 3 2 2006 2982 4 12 2006 3023 3 3 2006 2983 4 13 2006 3024 3 4 2006 2984 4 14 2006 3025 3 5 2006 2985 4 15 2006 3026 3 6 2006 2986 4 16 2006 3027 3 7 2006 2987 4 17 2006 3028 3 8 2006 2988 4 18 2006 3029 3 9 2006 2989 4 19 2006 3030 3 10 2006 2990 4 20 2006 3031 3 11 2006 2991 4 21 2006 3032 3 12 2006 2992 4 22 2006 3033 3 13 2006 2993 4 23 2006 3034 3 14 2006 2994 4 24 2006 3035 3 15 2006 2995 4 25 2006 3036 3 16 2006 2996 4 26 2006 3037 3 17 2006 2997 4 27 2006 3038 3 18 2006 2998 4 28 2006 3039 3 19 2006 2999 4 29 2006 3040 3 20 2006 3000 4 30 2006 3041 3 21 2006 3001 5 1 2006 3042 3 22 2006 3002 5 2 2006 3043 3 23 2006 3003 5 3 2006 3044 3 24 2006 3004 5 4 2006 3045 3 25 2006 3005 5 5 2006 3046 3 26 2006 3006 5 6 2006 3047 3 27 2006 3007 5 7 2006 3048 3 28 200
117. 2 13 2007 3633 12 14 2007 3634 12 15 2007 3635 12 16 2007 3636 12 17 2007 3637 12 18 2007 3638 12 19 2007 3639 12 20 2007 3640 12 21 2007 3641 12 22 2007 3642 12 23 2007 3643 12 24 2007 3644 12 25 2007 3645 12 26 2007 3646 12 27 2007 3647 12 28 2007 3648 12 29 2007 3649 12 30 2007 3650 12 31 2007 3651 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 209 Serial Number Cut in History Appendix F Table F 1 Changed to a new BP Valve Model Serial 621N0 62201361 621SP 62100948 622N0 62201361 622NP 62201357 623SP 62300410 623NP 62300412 Table F 2 Changed E Pac Changed to class B power supply Model Serial 621S0 62100935 621SP 62100941 622S0 62101305 622SP 62200135 62230 62201305 622NP 62201312 623SP 62300405 623NP 62300408 Table F 3 Upgraded printer cable to a cable with foam tape attached Model Serial 621xx 62104069 622xx 62208111 623xx 62304018 The foam tape ads extra safety into the printer cable Table F 4 Upgraded the Main PCB from 501 to 502 Model Serial 621xx 62103000 622xx 62206000 623xx 62303000 Upgraded the Main PCB to make it ESU tolerant Added user feature to print on alarm or not print on alarm Software changed to 2 2 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 211 Appendix F Serial Number Cut in History Table F 5
118. 2 20 2004 2545 11 10 2004 2505 12 21 2004 2546 11 11 2004 2506 12 22 2004 2547 11 12 2004 2507 12 23 2004 2548 11 13 2004 2508 12 24 2004 2549 11 14 2004 2509 12 25 2004 2550 11 15 2004 2510 12 26 2004 2551 11 16 2004 2511 12 27 2004 2552 11 17 2004 2512 12 28 2004 2553 11 18 2004 2513 12 29 2004 2554 11 19 2004 2514 12 30 2004 2555 11 20 2004 2515 12 31 2004 2556 11 21 2004 2516 1 1 2005 2557 11 22 2004 2517 1 2 2005 2558 11 23 2004 2518 1 3 2005 2559 11 24 2004 2519 1 4 2005 2560 11 25 2004 2520 1 5 2005 2561 11 26 2004 2521 1 6 2005 2562 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 195 Appendix E Calibration Date Table Calibration Date Number of Days Calibration Date Number of Days 1 7 2005 2563 2 17 2005 2604 1 8 2005 2564 2 18 2005 2605 1 9 2005 2565 2 19 2005 2606 1 10 2005 2566 2 20 2005 2607 1 11 2005 2567 2 21 2005 2608 1 12 2005 2568 2 22 2005 2609 1 13 2005 2569 2 23 2005 2610 1 14 2005 2570 2 24 2005 2611 1 15 2005 2571 2 25 2005 2612 1 16 2005 2572 2 26 2005 2613 1 17 2005 2573 2 27 2005 2614 1 18 2005 2574 2 28 2005 2615 1 19 2005 2575 3 1 2005 2616 1 20 2005 2576 3 2 2005 2617 1 21 2005 2577 3 3 2005 2618 1 22 2005 2578 3 4 2005 2619 1 23 2005 2579 3 5 2005 2620 1 24 2005 2580 3 6 2005 2621 1 25 2005 2581 3 7 2005 2622 1 26 2005 2582 3 8 2005 2623 1 27 2005 2583 3 9 2005 2624 1 28 2005 2584 3 10 2005 2625 1 29 2005 2585 3 11 2005 2626 1 30 2005 2586 3 12 2005 2627 1 31 2005 2587 3 13 2005 2628 2 1
119. 2 2004 2293 3 3 2004 2253 4 13 2004 2294 3 4 2004 2254 4 14 2004 2295 3 5 2004 2255 4 15 2004 2296 3 6 2004 2256 4 16 2004 2297 3 7 2004 2257 4 17 2004 2298 3 8 2004 2258 4 18 2004 2299 3 9 2004 2259 4 19 2004 2300 3 10 2004 2260 4 20 2004 2301 3 11 2004 2261 4 21 2004 2302 3 12 2004 2262 4 22 2004 2303 3 13 2004 2263 4 23 2004 2304 3 14 2004 2264 4 24 2004 2305 3 15 2004 2265 4 25 2004 2306 3 16 2004 2266 4 26 2004 2307 3 17 2004 2267 4 27 2004 2308 3 18 2004 2268 4 28 2004 2309 3 19 2004 2269 4 29 2004 2310 3 20 2004 2270 4 30 2004 2311 3 21 2004 2271 5 1 2004 2312 3 22 2004 2272 5 2 2004 2313 3 23 2004 2273 5 3 2004 2314 3 24 2004 2274 5 4 2004 2315 3 25 2004 2275 5 5 2004 2316 192 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Calibration Date Table Appendix E Calibration Date Number of Days Calibration Date Number of Days 5 6 2004 2317 6 16 2004 2358 5 7 2004 2318 6 17 2004 2359 5 8 2004 2319 6 18 2004 2360 5 9 2004 2320 6 19 2004 2361 5 10 2004 2321 6 20 2004 2362 5 11 2004 2322 6 21 2004 2363 5 12 2004 2323 6 22 2004 2364 5 13 2004 2324 6 23 2004 2365 5 14 2004 2325 6 24 2004 2366 5 15 2004 2326 6 25 2004 2367 5 16 2004 2327 6 26 2004 2368 5 17 2004 2328 6 27 2004 2369 5 18 2004 2329 6 28 2004 2370 5 19 2004 2330 6 29 2004 2371 5 20 2004 2331 6 30 2004 2372 5 21 2004 2332 7 1 2004 2373 5 22 2004 2333 7 2 2004 2374 5 23 2004 2334 7 3 2004 2375 5 24 2004 2335 7 4 2004 2376 5 25 2004 2336 7 5 2004 2377 5 26 20
120. 2 O O 73 2K A Ncc 121K VLdsOff 0 1 0504 Wee lt Mux LdS A TP544 U508 6 TP538 4 4 R504 R564 R514 Q 1539 TP540 Mux LdS B 19 6K 732K 10K SH TP526 TP527 V Lead 504 1 540 1 0502 5 5 R552 1 Mux LdS C n 4 DE 1K i TP530 N504 0 J C504 C540 509 22Meg 95028 8523 2 330pF 220pF 100pF TP542 TLO72 SK LAMP NEON 0 1 2 220 TP532 Q504 1 R5151 TP543 2N7002 fVee 2 R560 0502 6 504 5 553 22Meg Si 100K 1 Q504 g saci R524 0506 w MonBw 121K 24702 gt VLdsOff 0 1 Der A U504 Eee are or He VA TP547 N 2 1 548 U503B R555 SWw RLD RA 1072 30 1K 14 15 5 0503 5 5 2 24 X E lt sv SwRLDAL vidsoff lt lt TP550 11 10 e R505 E R566 9 5 p C536 R556 Sw RLD LA D2 IN3 lt lt les 19 6K 73 2K Z our Right Leg 505 1 C541 1 5 a 422 2 10K 2 8 Sw RLD RL IN4 B Wee y DX 13 gt lt fVcc V E E N505 0 C505 45 y 330pF 220pF LAMP NEON DG202CSE DA NA NA _ 549 Der 0501 0502 TP559 U503A R525 yM NL NL R516 TLO72 10K 0505 10K 3 1 a 8 H MMBD1503A 3 3 2 o 2 3 RL mux 1 x 2 XZ R526 EM lt E V Lead Defib Protect ZS 10K U503 2 TP562 Diodes internal to U504 2 _ _ RLDAmp 8567 protect other inputs Welch Allyn Inc NL mie Initial D
121. 20 2005 2757 8 30 2005 2798 7 21 2005 2758 8 31 2005 2799 7 22 2005 2759 9 1 2005 2800 7 23 2005 2760 9 2 2005 2801 7 24 2005 2761 9 3 2005 2802 7 25 2005 2762 9 4 2005 2803 7 26 2005 2763 9 5 2005 2804 7 27 2005 2764 9 6 2005 2805 7 28 2005 2765 9 7 2005 2806 7 29 2005 2766 9 8 2005 2807 7 30 2005 2767 9 9 2005 2808 198 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Calibration Date Table Appendix E Calibration Date Number of Days Calibration Date Number of Days 9 10 2005 2809 10 21 2005 2850 9 11 2005 2810 10 22 2005 2851 9 12 2005 2811 10 23 2005 2852 9 13 2005 2812 10 24 2005 2853 9 14 2005 2813 10 25 2005 2854 9 15 2005 2814 10 26 2005 2855 9 16 2005 2815 10 27 2005 2856 9 17 2005 2816 10 28 2005 2857 9 18 2005 2817 10 29 2005 2858 9 19 2005 2818 10 30 2005 2859 9 20 2005 2819 10 31 2005 2860 9 21 2005 2820 11 1 2005 2861 9 22 2005 2821 11 2 2005 2862 9 23 2005 2822 11 3 2005 2863 9 24 2005 2823 11 4 2005 2864 9 25 2005 2824 11 5 2005 2865 9 26 2005 2825 11 6 2005 2866 9 27 2005 2826 11 7 2005 2867 9 28 2005 2827 11 8 2005 2868 9 29 2005 2828 11 9 2005 2869 9 30 2005 2829 11 10 2005 2870 10 1 2005 2830 11 11 2005 2871 10 2 2005 2831 11 12 2005 2872 10 3 2005 2832 11 13 2005 2873 10 4 2005 2833 11 14 2005 2874 10 5 2005 2834 11 15 2005 2875 10 6 2005 2835 11 16 2005 2876 10 7 2005 2836 11 17 2005 2877 10 8 2005 2837 11 18 2005 2878 10 9 2005 2838 11 19 2005 2879 10 10 2005 2839 11 20 2005 2880 10 11 2005 2840 1
122. 200 TP468 L402 220uH fcc 5 5V R417 lt lt 1 A 1 eg TP419 T 832 ET 435 TP420 U410 10uF 10uF R403 425 1 0401 3 3 1K R411 1 0401 1 150401 1 6 iso401 b 5 11K 7 XZ U401 2 2 gt R418 E 5 opto fb 5 11K 2 U401A V m MC34072 4 2 fcc N N R404 316K TP405 TP421 TP422 TP407 R416 R401 R402 R415 d 10K 10K out 10K 100 5 0401 5 408 2 U401 7 7 gt 7 fev lt lt 1 t 6 04018 C418 C416 MC34072 4 T gt R420 047uF Af 10K C417 N TP411 Se s E 5 2 2401 i SpO2 ESD 2 1403 Ground sSpO2tx iso 5Vdig 3 1 T n9 4 g 5 LADO 1 cais Tab 187 047uF CON4 4 x lt PAGE 45V 5 M 0403 sSpO2tx 1 MMBT3904L U411 a R412 HCNW4503 511 R414 TP423 0403 iso402 a 2 8 6 19K 1424 R421 Nellcor SpO2 D gt GH 10 u411 Connector lt Spo20ut C422 C423 1402 35 A 047uF 1000pF 1 2 3 4 lt A 5 6 SpO2 Reset Z ot 8 s 5V 9 dot 10 5 H lt s45V 13 14 iso 5Vdig gt 9 CON14AP ES ot 330uF NZ pame Sere ar 5 5 Welch Allyn Inc 047uF Initial Date Drawn Schematic 620002 dsn Rick Myers 3 05 99 s s Designed Rick M 3 05 99 IK MIS Title mE Isolated Power and SpO2 interface LPhillips 3 16 99 Approved Size Rev E Z Psenicnik 3 16 99 B Do
123. 3 6 21 2006 3093 8 1 2006 3134 6 22 2006 3094 8 2 2006 3135 6 23 2006 3095 8 3 2006 3136 202 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Calibration Date Table Appendix E Calibration Date Number of Days Calibration Date Number of Days 8 4 2006 3137 9 14 2006 3178 8 5 2006 3138 9 15 2006 3179 8 6 2006 3139 9 16 2006 3180 8 7 2006 3140 9 17 2006 3181 8 8 2006 3141 9 18 2006 3182 8 9 2006 3142 9 19 2006 3183 8 10 2006 3143 9 20 2006 3184 8 11 2006 3144 9 21 2006 3185 8 12 2006 3145 9 22 2006 3186 8 13 2006 3146 9 23 2006 3187 8 14 2006 3147 9 24 2006 3188 8 15 2006 3148 9 25 2006 3189 8 16 2006 3149 9 26 2006 3190 8 17 2006 3150 9 27 2006 3191 8 18 2006 3151 9 28 2006 3192 8 19 2006 3152 9 29 2006 3193 8 20 2006 3153 9 30 2006 3194 8 21 2006 3154 10 1 2006 3195 8 22 2006 3155 10 2 2006 3196 8 23 2006 3156 10 3 2006 3197 8 24 2006 3157 10 4 2006 3198 8 25 2006 3158 10 5 2006 3199 8 26 2006 3159 10 6 2006 3200 8 27 2006 3160 10 7 2006 3201 8 28 2006 3161 10 8 2006 3202 8 29 2006 3162 10 9 2006 3203 8 30 2006 3163 10 10 2006 3204 8 31 2006 3164 10 11 2006 3205 9 1 2006 3165 10 12 2006 3206 9 2 2006 3166 10 13 2006 3207 9 3 2006 3167 10 14 2006 3208 9 4 2006 3168 10 15 2006 3209 9 5 2006 3169 10 16 2006 3210 9 6 2006 3170 10 17 2006 3211 9 7 2006 3171 10 18 2006 3212 9 8 2006 3172 10 19 2006 3213 9 9 2006 3173 10 20 2006 3214 9 10 2006 3174 10 21 2006 3215 9 11 2006 3175 10 22 2006 3216 9 12 2006 3176 10 23 20
124. 31 CLKUSR 69 67 VSYNC Recorder Strobe x 33 P32 RDYnBSY 67 66 HSYNC Recorder Motor Step x 34 P33 P66 65 Blank NIBP Offset DAC x 35 P34 P65 64 Video Clock 3 NIBP Overpressure x 40 P35 INIT DONE 64 63 SPIMISO NIBP 15mmHg x 7 41 P40 GCLK 63 62 CLKOUT lt 6 2 P41 GCLK 62 61 Video Clock 25 S5 43 P42 P61 60 SPIMOSI 54 44 P43 P60 59 SPISEL n 3 45 P44 P59 58 Video Data x 26 P45 P58 68 HSYNC x 51 47 P46 P68 57 VSYNC x E Pn 257 SPI data in x W 49 P48 P56 55 SPI clock x PA14 50 nCEO 49 P55 52 SPl data out x Key Latch x 51 P50 P52 LED Latch x PAIS TDO 51 9 gg SE 99 QTRS SS8SSSS 222222 esewU s SSSSSS 666666 n A oro o a Audio DAC Resistors so R66 100 R125 lt Speaker Audio 1 gt 1 58 R67 49 9K A SS EIST PC12 2 VDDH 52 R68 24 9K gt 330pF 6 2 5 53 R69 12 4K NU gt CONFIG_DONE NS PCH SPIMOSI 54 70 6 19K 33 a S5 R71 3 09K R126 O Ne 56 R72 1 58 TP80 57 R73 787 1 Welch Allyn Inc Initial Date Drawn Schematic 620005 dsn Jim Belesiu Mar 5 1999 Designed Jim Belesiu Mar 5 1999 Title Checked See L Phillips 3 19 99 FPGA A d Si Rev Pprovel Z Psenicnik 3 19 99 ze Document Number 620005 B Release For Production Bell 3 19 99 SE Date Monday August 05 2002 Sheet 2 of 6 B c D E Welch Allyn Atlas Monitor Service Manual 6200 43 Rev D 154 Figure D 8
125. 416 LM358 4 Z gt R401 R402 047uF 10K out 10K 408 2 DY cai XZ EVA 465 680pF TP463 TP464 o R417 10K 2 S Nonin SpO2 Connector 01 SpO2 ESD J403 Ground 1 iso 5Vdig 2 sSpO2tx 1 ER 3 a C419 C413 10uF Tab 187 047uF 45V CON4 Ss 5 S Dv E Q40 sSpO2tx 1 MMBT3904L R414 1 96K R412 469 Nellcor SpO2 511 HCNWA503 Q403 e iso402 a 2 lt gt Connector R424 gt 10K D lt J402 TP467 5 SpO20ut 1 2 MED lt SpO2 Reset SS 511 16 P 1000 7 8 N gt o p 11 12 9 lt 5 4 iso 5Vdig C429 CON14AP 047uF S Gam C428 S ao E u Welch Allyn Inc 047uF zT 10 Initial Date Drawn Bic Schematic 620017 dsn Myers 5 WE OSE ES Rick M Mar 5 1999 ick Myers 5 1 Title 4 Power Isolation SpO2 Interface ne L Phillips 3 16 99 A d si Rev 7 Psenicnik 3 16 99 E Document Number 620017 Release For Production 1 Bell 3 16 99 Date Monday August 05 2002 Sheet 4 of 8 A B c D E Figure D 23 Power isolation SpO interface Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 169
126. 5 lt i 047uF 6078 D302 gt U302 comp come s s EE BAV99L 4 gt a MTP30NO6VL IL 14 2 AAAS lt gt gt so L lt lt T lt EF a 5 ya MPSW51A IK TP308 E 1 H N 2 C307 2 U301 6 Wi 2 kn pwr 4 4 047uF R311 7 5 Battery gt 2 3 4 2 R306 10K U302 ct 6 ISENSE U302 sense R301 TP309 61 9K EE D301 G1 10K C302 R315 0301 3 5 MBR2535CTL 330uF 1uF Que comp 4 301 4 9 196 5 AA 030 Gu gt Pa 8 ZANA C304 u yes 310 a 6308 man 383K el G0 R307 100uF 2200pF 3 2 R302 E 470pf 4 64K i Q304e AP TP314 1 96K 0304 lt gt R313 L Cam MMBT3904L apis 1 96K 5600pF R316 TP313 O WAYS R303 R304 Ke Ss 5 51 1K 100K D312 1 0302 BAV99L R317 On Off srr BL KAA O Ut Up sat MMBT3904L 75K 315 s AC 12V f 1 2 y UNA C339 use D D312 c t TP354 luF m TP316 u 3 F301 VI 4Amp D310 gt RUP MBRS340T3 HS302 SY o Bat fuse Heatsink J Q312 forQ312 MTP30NO6VL 4 6078 Batter H 4 ps NU ss 4 TP349 Charger Q308 MI N 1304 353 D307 G3 C35 F302 47uH R327 MBRS340T3 Q311 100uF ced 100uF T gt 0312 9 TTA 4Amp MTP30NO6VL a ee 3 2 ot Io 0 02 Y Y YV AC 12V fuse Q308 d 319 1 0307
127. 5 39353 JJC 4 15 99 ZIP frequency modulation Su Change Reset IC U3 pp y c No Li a d C40 5 39830 LPP 6 24 99 LPP FM Section for spreading RF ond emissions R2 selects the to CPU PLL VDDSYN deviation D Upgrade to larger SDRAM 5 44759 LPP ies JK IL pin B1 I 2 3 3V_unfiltered CV 9 gt Ferrite 120 D 100nF 100 i 7 R2 From FPGA 2 cu E FYS T gt co 1K 100nF 330pF 6 8uF NL XFCX lt PA14 1 5uF VSSSYN PLL Filt D 4 mer System Clock Capacitor to CPU PLL pins A1 P 2 ter R50 200K xtalp Place decoupling capacitors next to CPU VDDSYN B1 and VSSSYN 1 2 F PGA Clock 3 9M R51 Use separate PPL VDDSYN power plane from 3 3V plain 3 lt ETAL Split ground plane under these components R52 PEE Video Clock 25 1536 830 lt XFC lt 1536 1470 pf Value selected for the final mulitplication ratio 11 12 1 G1 uj 33 Load C107 w 1 5uF and unload C1 for non FM clocking 32768Hz S 1 OE 4 i R94 lt EXT ao 94 1 22pF 22pF ZU Zeus s R117 Place these components NA as close to the SG 636PCE 25 175M GER processor as possible VDDH RF Suppression L1 VDDH VDDL FLASH decoupling caps 244 Ferrite 120 to CPU U2 A VDDH decoupling cap System 3 0V 1 2 2 3 3V_unfiltered gt NEN M Input Reset n 4 c a ine 6 8uF 100nF 100nF 100nF 100nF 100nF
128. 5 6 E RA io D7 NIBP PWN ADC 2 Je 3 3 48K MAX941 E 5 U206B R225 S 1 208 1 0210 3 R220 MC34072 1K 2 2078 806 ais gt 74HCT00 TP233 4 7uF U208A N lt Z R232 MC34072 TP235 5VRef U206 6 U207A 10K 4 74HCT00 U208 2 d C220 d P412V 1 N 3 TP236 E Zero R221 226 as gt 2 J R233 our 3 16K TP237 215K 2 047uF S 3 48K Offset D201 C 2 1 T mae E ges Welch Allyn I n inc 3 i 5 o NA D201 Initial Date y 7 u205 7 MMBD1503A 6 U207 3 Drawn Rick Myers m Schematic 620002 dsn E 3 05 99 TP234 C213 R222 d U205B Designed Sg ick Myers out 1K MC34072 Title NIBP Electronics Checked RW L Phillips 3 16 99 Approved Size Rev NA SK A 7 Psenicnik 3 16 99 Document Number 2 620002 Release For Production J Bell 3 17 99 Be Date Monday August 05 2002 Sheet 2 of 6 A B c D E Figure D 2 Atlas model 200 NIBP electronics Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 148
129. 5 FB C SRCLR QD FG 8 D G SRCLR QD 2 EES 8 D G SRCLR QD Iz 8 D G D 5 S u17 4 5 4 d37 b 9 I 12 ON Rak 5 u18 4 5 4 d38 b 9 5 5 9 Rak 4 5 u19 4 5 4 d39 b 9 9 i Sg i p i BY G a 6 u17 5 6 3 d37 a 10 D o BO a 6 u18 5 6 3 d38 a 10 BO i 6 u19 5 6 3 d39 a 10 Re od 7 u17 6 7 2 zt i 7 u18 6 7 2 SS 7 u19 6 7 2 ziv a 8 1 9 u18 7 8 1 u19 7 8 1 9 1 9 1 9 1 QH SS 5 Anode 1 QH Rae 5 Anode 1 Eum 6 Anode 1 Anode 2 5 Anode 2 Anode 2 74HC595A TP50 150 74HC595A 150 74HC595A 150 TP52 TP64 7 SEG LED 0 36 7 SEG LED 0 36 7 SEGLED 0 36 vcc vcc vcc u17 9 TP60 u18 9 TP61 mei TP59 LED TP Enable LED TP Enable 9 9 9 Clock2 LED_TP_Clock A A LED Latch 1 LED_TP_Latch u19 out LED TP Data Out lt 1 Welch Allyn Inc Initial Date Drawn Jim Belesiu 3 15 99 Schematic 620008 dsn GE Jim Belesi 3 15 99 im Belesiu d Title 2 Temp Pulse LED Drivers Checked L Phillips 3 24 99 A d Si Rev pprove Z Psenicnik 3 24 99 ize Document Number 620008 Release For Production 1 Bell 3 24 99 See Date Friday July 23 1999 Sheet 3 of 5 A B D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 161 Figure D 15 Temp pulse LED drivers
130. 50 1 Welch Allyn Inc Initial Date Drawn Jim Belesiu 3 15 99 Schematic 620008 dsn GE Jim Belesi 3 15 99 1m Belesiu d Title NIBP LED Drivers Checked Ai L Phillips 3 24 99 A d si Rev op Z Psenicnik 3 24 99 pu Document Number 620008 Release For Production 1 Bell 3 24 99 Res Date Friday July 23 1999 Sheet 4 of 5 A B D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 162 Figure D 16 NIBP LED drivers B 8 D E REV Description ECN ECO Init Date Ckd A Release to Production 5 39251 JAC 3 23 99 LPP B No Load D16 5 39485 LPP 4 28 99 LPP 013 to Low Profile R51 to 316 5 39994 LPP 7 23 99 VCC TP143 R21 SpO2 Bargraph 680 012 SE ba 27 u13 out 14 SER QA 15 u12 15 6 3 d27 20 20 1 LED_SpO2_Data In 12 1 7 2 42719 19 2 11 SRCLK 2 u12 2 8 1 d27 18 18 3 10 SRCLR 3 12 3 427 17 17 4 a A ul24 d27 16 16 NAA 5 12 pak E u12 5 5 4 d27 15 15 6 13 6 012 6 6 3 927 14 14 7 OG QG QH 7 12 7 7 2 427 13 13 8 8 1 42
131. 50 A O O 3 900 O O O L POWER AND COMMUNICATION O C p MOLEX 22 11 2042 9 a Nes LE WATER TRAP SENSE MOLEX 22 29 2021 s TF NOTES A PRYON LC 101 GENERIC SUBASSEMBLY P N 000 10100 2 NOMINAL LENGTH FROM PUMP BODY T 13 4 INCHES O TUBING EXHAUST NOMINAL LENGTH FROM SENSOR BODY TO FEMALE LUER INLET 9 8 INCHES A WATERTRAP AND WATERTRAP RECEPTAC 5 PACKAGING TO BE APPROVED BY WELC PREVENT DAMAGE DUE TO ESD BENDI LE REQUIRED FOR OPERATION H ALLYN HANDLING AND PACKAGING TO NG AND OTHER DAMAGE 6 ASSY TO BE MARKED WITH MANUFACTURER S SERIAL NUMBER REV DESCRIPTION ECN ECO INIT DATE CKD A RELEASE TO PROD ENG 5 39363 JRS 4 14 99 TW B CHANGE PRYON P N TO 000 10100 5 39549 JRS 5 5 99 TW C ADDED NOTE 6 620032 1 5 40470 TW 11 299 ASK PUMP EXHAUST gt 4 1 16 I D p SENSOR INLET D FROM WATER TRAP RECPTACLE AN THIS DWG 1 PRYON SERIAL 400 AND HIGHER PART NO DESCRIPTION THESE DRAWINGS AND SPECIFICATIONS AR ETHE PROPERTY OF WELCH ALLYN INC AND SHALL NOT BE REPRODUCED OR COPI ED OR USED AS A BASIS FOR MANUFACTU RE OR SALE OF EQUIPMENT OR DEVICES WITH OUT WRITTEN PERMISSION DRAWN DATE w 7 7 WJM D1 Apr 99 e elch APPROVED DATE MATERIAL ZIP 4 14 99 REL TO PROD DATE FINISH J BELL
132. 55 36 Dx SCH filt 12V 2 data i E ilt4 57 58 E lav Ww 59 60 5 2 N 2 7AHCTO8 g _ MMBT3906L Socket 30x2 2 9 TN 3 H 2 N 2 N 2 LED Data 10 D D E 5 eg 01 2 N 2 74HCTO8 Qr 12 N 3 3V go oo d Eh R2 LED Latch 13 J 1 96K Q2 c e 030 R3 TP21 R21 N 74HCT08 10K A Q2 10K Qb 1 MMBT3904L ACON 2 a R gt ac on 10K Pagel C35 Speaker Drive 5 4 7uF TP22 K Q3 1 2N7002 Vprog Audio Shutdown 2 Rec clock s gt 1 24 25 V TP23 4Vpp max Rec Data o gt Rec 12V C36 nm R17 3 5 5 e 9 1 19 6K 224 7 R17 1 U9 4 4 PE SM e 3 3 1 13 Rec Supply On 3 1 u9 CON3 E 15 330 047uF TPA301 Rec Motor Step 4 16 5V 2 5 17 cs sen 12V 6 18 gt gt Print Temp pk Rec Data Latch a 7 19 2 O 1uF NC Rec Strobe 8 2 Rec Clock 5 A R19 4 Rec Data NZ lt 19 6K 10 22 11 23 5 4 12 24 c14 C20 047uF oF 55 CON24B C38 220pF be Welch Allyn Inc x x Rec GND Initial Date Recorder Drawn Rick Myers Schematic 620002 dsn Board y 3 05 99 Designed Rick Myers 3 05 99 Title Connector SS Main Board Model 200 L Phillips 3 16 99 A d Si Rev Z Psenicnik 3 16 99 Don Document Number T 620002 Release For Production 1 Bell 3 17 99 Date Monday August 05 2002 Sheet 1 of 6 A B c D E Figure D 1 Atlas model 200 ma
133. 6 3008 5 8 2006 3049 3 29 2006 3009 5 9 2006 3050 3 30 2006 3010 5 10 2006 3051 3 31 2006 3011 5 11 2006 3052 4 1 2006 3012 5 12 2006 3053 4 2 2006 3013 5 13 2006 3054 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 201 Appendix E Calibration Date Table Calibration Date Number of Days Calibration Date Number of Days 5 14 2006 3055 6 24 2006 3096 5 15 2006 3056 6 25 2006 3097 5 16 2006 3057 6 26 2006 3098 5 17 2006 3058 6 27 2006 3099 5 18 2006 3059 6 28 2006 3100 5 19 2006 3060 6 29 2006 3101 5 20 2006 3061 6 30 2006 3102 5 21 2006 3062 7 1 2006 3103 5 22 2006 3063 7 2 2006 3104 5 23 2006 3064 7 3 2006 3105 5 24 2006 3065 7 4 2006 3106 5 25 2006 3066 7 5 2006 3107 5 26 2006 3067 7 6 2006 3108 5 27 2006 3068 7 7 2006 3109 5 28 2006 3069 7 8 2006 3110 5 29 2006 3070 7 9 2006 3111 5 30 2006 3071 7 10 2006 3112 5 31 2006 3072 7 11 2006 3113 6 1 2006 3073 7 12 2006 3114 6 2 2006 3074 7 13 2006 3115 6 3 2006 3075 7 14 2006 3116 6 4 2006 3076 7 15 2006 3117 6 5 2006 3077 7 16 2006 3118 6 6 2006 3078 7 17 2006 3119 6 7 2006 3079 7 18 2006 3120 6 8 2006 3080 7 19 2006 3121 6 9 2006 3081 7 20 2006 3122 6 10 2006 3082 7 21 2006 3123 6 11 2006 3083 7 22 2006 3124 6 12 2006 3084 7 23 2006 3125 6 13 2006 3085 7 24 2006 3126 6 14 2006 3086 7 25 2006 3127 6 15 2006 3087 7 26 2006 3128 6 16 2006 3088 7 27 2006 3129 6 17 2006 3089 7 28 2006 3130 6 18 2006 3090 7 29 2006 3131 6 19 2006 3091 7 30 2006 3132 6 20 2006 3092 7 31 2006 313
134. 6 9 Vcc NIBP Valve 37C 35 36 258 On Standby Key Video Vertical Sync Sd 37 Ce Speaker Audio 10 BDM Data Output 823 Output NIBP Offset DAC Mc 39 40 Liz Main Supply On AC On 43 2 s pu GND NIBP2 PW ADC Rec Paper Out GND 45 246 lt T o o 48 GND Video Data Key Latch 49 47 48 50 RS423 CTS 51 49 50 GE Nurse Call Recorder Clock 530 51 52 Recorder Data Latch Recorder Data 55 O 53 54 56 Recorder Strobe PIRESET 57 ui 558 SCL SPI data in GND 59 60 GND SCH 26 559 60 NU HEADER 30x2 NU lt Test Points 1 TP58 TP59 1 mn lt lt 1 60 61 1 mn OX P as 1 gt TP62 TP63 1 Burst_n gt A OQ PAG 2 1 64 65 1 PA4 Oo Par T TP66 TP67 1 OMM 15 1 TP68 TP69 1 a 1 TP70 TP71 1 akor gt gt gt lt lt 1 72 TP73 1 gt O OK sPIMISO 1 74 TP75 1 12 gt O AOy lt n 1 TP76 77 1 mie gt O SPICLK TP78 1 lt lt Video Clock 3 1 Welch Allyn Inc Initial Date Drawn i Schematic 620005 dsn Jim Belesiu Mar 5 1999 Designed Jim Belesiu Mar 5 1999 Title Checked PZ L Phillips 3 19 99 Atlas CPU Subsystem i R Approved 7 Psenicnik 3 19 99 Size Document Number ch 620005 Release For Production 1 Bell 5020 3 19 99 Date Monday August 05 2002 Sheet 1 of B D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 153 Figure D 7 Atlas CPU subsystem
135. 6200 43E Revision D WelchAllyn Service Manual Atlas Patient Monitor Welch Allyn 8500 SW Creekside Pl Beaverton Oregon 97008 Copyright 2007 PartNo Rev Description Date Approved 6200 43E A New release of Atlas Service M anual 5 40429 10 99 RS LP 6200 43E B Updated calibration procedures 5 44782 07 02 DK Updated performance verification procedures Updated drawing 620150 Rev B to Rev C Updated drawing 620201 Rev A to Rev B Updated drawing 620524 Rev A to Rev B Added complete repair parts lists Added calibration date table 6200 43E Updated to reflect changes in hardware and software 5 45730 03 03 DK Drawings and or illustrations and or part numbers contained in this document are for reference purposes only For current revisions call the Welch Allyn Customer Service phone number listed in Section 1 page 2 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor i CONTENTS I a di iari S tT vi FaDIes R ix Section 1 General Information About the Atlas ee 1 2 Agency APPT OVALS 3 Warning Cautions and CW YW YF OW AW WYF GAY GW WYW y CY WWF 3 Product Model Number structure i 5 623xP Main Menu Architecture Y Y Y Y DW Y 6 622xP M in
136. 620384 1E DISPLAY LABEL LOW PRINTER ENG 620384 1F LOW LABEL W PRINTER FRENCH 620384 1G LOW LABEL W PRINTER GERMAN 620384 1I LOW LABEL W PRINTER ITALIAN 620384 1 LOW LABEL W PRINTER JAPANESE 620384 1P LOW LABEL W PRINTER PORT Service Manual 6200 43E Rev D Repair Parts Lists Appendix B Table B 4 Atlas 621SP repair parts Part Description 620384 15 LOW LABEL W PRINTER SPANISH 620385 SUB LABEL DISPLAY 620386 FASTON TAB 620388 1 LABEL NONIN SENSOR 620393 PWR SUPPLY INSULATOR LABEL 620394 1 WASHER SHOULDER PLATED 620403 FLAT TIE HOLDER 620494 501 ATLAS FAN KIT 761077 1 WIRE TIE Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 123 Appendix B Repair Parts List Table B 5 Atlas 622N0 repair parts Part Description 620004 502 ATLAS CPU PCB ASSY 620007 501 FRONT PANEL DISPLAY PCB ASSY 620016 503 MAIN PCB ASSY MID HIGH END 620038 NELLCOR LABEL CARTON 6200 43E SERVICE MANUAL ATLAS 620105 1 BATTERY DOOR 620105 3 BATTERY DOOR 620119 LATCH SPO2 620125 502 MAIN CASE HANDLE SET W PANEL 620126 5 BEZEL SET MID PRINTED 620131 1 MAIN FOAM 620132 2 TOP FOAM 620133 BP FOAM 620141 METAL HOUSING TOP 620142 1 METAL HOUSING BOTTOM LG 620143 NUT TEMPERATURE 620144 BRACKET SPO2 620150 1 AC DC POWER SUPPLY 620156 PUMP 620157 STEPPER VALVE
137. 7 C8 12 1 10K 10 IRF640 022uF 15uH 15 35uH q5 c q6d 1 et N U4B C22 R25 022uF 215 3 3 4 22 2 95 8 Q5 7 L Hsync 2 1243904 Horizontal Yoke R50 74HCTO4 1 96K Md Y Figure A 18 Horizontal amplifier grid voltage circuit Video Amplifier The CRT tube turns a dot on when video out is low near OV and off when video out is high Vvid 28V The input to the video amplifier is a digital signal 3 3V logic level from the uProcessor An input of OV turns the dot off an input of 3 3V turns the dot on Transistor Q7 amplifies and inverts this signal Video out is driven low through D7 and driven high through emitter follower Q8 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 95 Appendix A Theory of Operation Video Amplifier 74HCT04 Figure A 19 Video amplifier circuit Recorder Electronics Overview Atlas includes a thermal strip chart printer optional on Model 200 and 210 standard on model 220 The user can print either annotated waveform data or Patient trend informa tion The printer specifications are Paper Size 56 or 58mm 2 1 4 inches Printhead Width 54mm 2 1 8 inches Resolution Vertical 8 dots mm 200 dots inch Horizontal 12 dots mm 300 dots inch Chart Speed 25mm sec 1 inch second The main CPU controls the printer Data timing clock signals and strobe widths are all gen erated by the FPGA on the CPU board These signals are buffered on the recorder
138. 7 Verify that you 1 See waveform within seconds of breathing 2 See respiration rate non zero within one minute 3 See CO concentration non zero within one minute Battery Functional Test 1 System must have been plugged in for 24 hours to guarantee that the battery is fully charged But for now we can do a functional test as follows 2 Press DATE TIME button then press LEAD SELECT button to access Service Mode menu 3 Press SELECT button to highlight Battery test 4 Verify that the menu reports 1 Battery Low Time XXX 2 Battery Dead Time YYY NOTE These are the results from the last battery test The Battery Low Time is the time in hours and minutes that the battery ran in the last test until the Low Battery alarm started and the Battery Dead Time is the time from the beginning of the Low Battery Alarm until the system turned itself off when the battery voltage reached the cutoff level NOTE 2 08 means 128 minutes which is the default setting indicating a battery test has never been made before 5 Write down the Battery Low Time and Battery Dead Time 6 Unplug AC cord to start battery test 7 The timers will begin the moment you unplug the AC cord Leave the system on until it powers down by itself automatically Plug Atlas into AC and turn the Atlas on enter the Service Mode menu select Battery Test again and write down the new values Compare these to the previous values and to the minimum specification 1 Ba
139. 7 12 12 9 9 427 11 11 10 R23 74HC595A TP149 680 TP177 10 LED Bargraph A u12 out TP151 R69 T 681 vec R70 TP152 681 j 07 D pt T1 3mm Red SES T1 3mm Red Nx T1 3mm Red a HRAlarm ETCO2 Alarm SpO2 Alarm N On Off On Off On Off v o 5 47 412 vcc VCC SpO2 Hundreds TP153 R9 TP155 R10 680 SpO2 Tens 680 SpO2 Ones 05 TP162 D3 06 8 1 4 U7 8 1 05 1 1752 LI u5 15 R62 0 DI a LI u6 15 7 2 d4 g ae BL BE u7 15 6 2 45 9 LH a B 1 u5 1 22K 9 m B 1 u6 1 6 3 d4 f 9 PB c 2 u7 1 7 3 d5 f 9 LM ES 2 u5 2 8 1 ECH e b E 2 u6 2 5 4 94 1 ees A 5 tik p 1 u7 2 5 4 d5 e ET Z Tp Ge 3 453 7 2 ST zo s d 63 dad us ES 3 4 u5 4 6 3 d3 c El Zeie a 4 u6 4 CH A E SE u7 4 d5 c 2h e 5 u5 5 5 4 d3 b 6 12 b an a 5 u6 5 8 1 d4 b 6 S E 12 5 Pf Ze 5 u7 5 8 1 d5 b 6 GJ d 6 u5 6 7 e D BOY G d 6 u6 6 7 2 d4a 7 Dire BY G a 6 u7 6 7 2 d5 a 7 De A A g Q 7 TP175 5 Q 7 u6 7 6 3 5 Q 7 u7 7 6 3 5 QH Dp QH QH Dp 9 u5 out 3 9 u6 out 3 9 3 QH Anode 1 QH aa Anode 1 QH E Anode 1 8 R12 8 R13 8 Anode 2 Anode 2 Anode 2 74HC595A R63 74HC595A TP168 680 74HC595A TP170 680 215 D16 7 SEG LED 0 5 7 SEG LED 0 5 7 SEG LED 0 5 d16 c 1 VCC wou vec SpO2 Hi VCC TP173 TP172 No Load R64 215 D18 d18 c 1 ce A m od SpO2 Lo T
140. 72 6 6 2005 2713 4 27 2005 2673 6 7 2005 2714 4 28 2005 2674 6 8 2005 2715 4 29 2005 2675 6 9 2005 2716 4 30 2005 2676 6 10 2005 2717 5 1 2005 2677 6 11 2005 2718 5 2 2005 2678 6 12 2005 2719 5 3 2005 2679 6 13 2005 2720 5 4 2005 2680 6 14 2005 2721 5 5 2005 2681 6 15 2005 2722 5 6 2005 2682 6 16 2005 2723 5 7 2005 2683 6 17 2005 2724 5 8 2005 2684 6 18 2005 2725 5 9 2005 2685 6 19 2005 2726 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 197 Appendix E Calibration Date Table Calibration Date Number of Days Calibration Date Number of Days 6 20 2005 2727 7 31 2005 2768 6 21 2005 2728 8 1 2005 2769 6 22 2005 2729 8 2 2005 2770 6 23 2005 2730 8 3 2005 2771 6 24 2005 2731 8 4 2005 2772 6 25 2005 2732 8 5 2005 2773 6 26 2005 2733 8 6 2005 2774 6 27 2005 2734 8 7 2005 2775 6 28 2005 2735 8 8 2005 2776 6 29 2005 2736 8 9 2005 2777 6 30 2005 2737 8 10 2005 2778 7 1 2005 2738 8 11 2005 2779 7 2 2005 2739 8 12 2005 2780 7 3 2005 2740 8 13 2005 2781 7 4 2005 2741 8 14 2005 2782 7 5 2005 2742 8 15 2005 2783 7 6 2005 2743 8 16 2005 2784 7 7 2005 2744 8 17 2005 2785 7 8 2005 2745 8 18 2005 2786 7 9 2005 2746 8 19 2005 2787 7 10 2005 2747 8 20 2005 2788 7 11 2005 2748 8 21 2005 2789 7 12 2005 2749 8 22 2005 2790 7 13 2005 2750 8 23 2005 2791 7 14 2005 2751 8 24 2005 2792 7 15 2005 2752 8 25 2005 2793 7 16 2005 2753 8 26 2005 2794 7 17 2005 2754 8 27 2005 2795 7 18 2005 2755 8 28 2005 2796 7 19 2005 2756 8 29 2005 2797 7
141. 8 2003 2126 9 18 2003 2086 10 29 2003 2127 9 19 2003 2087 10 30 2003 2128 9 20 2003 2088 10 31 2003 2129 9 21 2003 2089 11 1 2003 2130 9 22 2003 2090 11 2 2003 2131 9 23 2003 2091 11 3 2003 2132 9 24 2003 2092 11 4 2003 2133 9 25 2003 2093 11 5 2003 2134 9 26 2003 2094 11 6 2003 2135 9 27 2003 2095 11 7 2003 2136 9 28 2003 2096 11 8 2003 2137 9 29 2003 2097 11 9 2003 2138 9 30 2003 2098 11 10 2003 2139 10 1 2003 2099 11 11 2003 2140 10 2 2003 2100 11 12 2003 2141 10 3 2003 2101 11 13 2003 2142 10 4 2003 2102 11 14 2003 2143 10 5 2003 2103 11 15 2003 2144 10 6 2003 2104 11 16 2003 2145 10 7 2003 2105 11 17 2003 2146 10 8 2003 2106 11 18 2003 2147 10 9 2003 2107 11 19 2003 2148 10 10 2003 2108 11 20 2003 2149 10 11 2003 2109 11 21 2003 2150 10 12 2003 2110 11 22 2003 2151 10 13 2003 2111 11 23 2003 2152 190 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Calibration Date Table Appendix E Calibration Number of Days Calibration Date Number of Days 11 24 2003 2153 1 4 2004 2194 11 25 2003 2154 1 5 2004 2195 11 26 2003 2155 1 6 2004 2196 11 27 2003 2156 1 7 2004 2197 11 28 2003 2157 1 8 2004 2198 11 29 2003 2158 1 9 2004 2199 11 30 2003 2159 1 10 2004 2200 12 1 2003 2160 1 11 2004 2201 12 2 2003 2161 1 12 2004 2202 12 3 2003 2162 1 13 2004 2203 12 4 2003 2163 1 14 2004 2204 12 5 2003 2164 1 15 2004 2205 12 6 2003 2165 1 16 2004 2206 12 7 2003 2166 1 17 2004 2207 12 8 2003 2167 1 18 2004 2208 12 9 2003 2168 1 19
142. 8 N 2 N RS232 CTS 49 d 5 50 Nurse Call 1 a Front Panel Rec Clock 51 2 52 Rec Data Latch 3 To PIC 53 254 Rec Strobe Key clock 2 hReset 559 53 54 05 Display Connector gt gt On Off Key 55 s E F 45V SPl data in 57 2 5d 258 SCD U3A J8 59 260 74HCTO8 CON14AP 53 6 25 5V Key Clock b 2 ec 1 2 VA v Socket 30x2 Key Latch n b 4 Ee 3 Key Data 6 Co 5 C5 __ 0 NU SSC LED Data b 7 0472 T 3300 R D 4 LED On 10 9 2 6 12 11 5 LED Latch b BW UB 74HCT08 S NZ 5 EC D D D 9 i D LED Data 10 J A Uac AC 12V fuse 5V 74HCT08 r1 Y Q1 N Z MMBT3906L T 3 ACON LED 12 TR n 13 2 74HCTO8 KZ 19 Speaker Drive D e Recorder Board b m 4525 ET TP22 5 47uF a 4 E 5V onnector R3 TP21 Audio Shutdown 10K m A z ACON gt Q2 b 1 Q2 R21 14 15 PIC Vprog 5 Rec Supply On gt MMBT3904L 10K T 4 Rec Motor Step Rec Supply On TP25 NL a R4 2 4 7 5 6 EM vy le ok 047uF Rec Data Latcl E x ec Strobe C36 _ 111 gt Rec Clock 3 Rec Data A 7uF R17 5 A SP 2 c14 19 6K el 8 047uF 17 1 4 8 SM Sa gt 13 14 Wee ADK at 3 1 ue 15 16 f CONG 1 B 2N7002 a a 17 18 XY Print Temp 10K 010 TPA301 AVpp max 19 20 D TP23 1 R18 U9 3 E d 7 21 22 1 121K T i 3 a bai 2 gt
143. 8KHz square wave The Power supply sync signal at 76 8KHz is transmitted across opto isolator U710 Flip Flop U701 config ured as a divide by 2 converts this signal to a 34 8KHz Current through the patient is about 150uA Pk Pk set by the output of U710 5V and the circuit series impedance 69K includ ing cable resistance The impedance of the patient is small lt 2K compared to the series impedance and has minimal affect on the magnitude of the drive current Diode clamps are used to protect the respiration circuits in the event of a Defibrillation pulse Clamp Clamp Respiration T Drive C719 Circuit lt 47uF D701 MMBD1503A VE 1 2 C701 R703 4 U701A 1 96K 1000pF 31 6K 14 74HC74 2 R701 Right Arm gt gt 0701 3 C701 1 RespDr ep CLK q 1 a 7 D702 MMBD1503A a 1 b 2 S R702 C702 R704 1 96K 1000pF 31 6K 1K Resp Off 0702 3 C702 1 RespDr Figure A 36 Respiration drive circuit Differential Amplifier and Peak Detector The AC current driven though the patient develops a voltage across the RA to LA electrodes This signal is measured and amplified with the Differential Amplifier formed by U702A B This amplifier converts the differential voltage across the patient to single ended signal with a gain of 16 8 Inverting this signal U703A and summing the original signal and inverted signal through the dual Diode D705 then fo
144. 9 Open the directory where the file nvram common txt is located or open from the CD 10 Double left click on nvram comm txt file or highlight the file and then choose Open NOTE After openingthe nvram common txt file you should see a screen similar to the window shown in Figure 2 12 Atlas HyperT erminal x File Edit View Transfer Help angea Pangea gt tt Pangea gt Pangea gt noecho Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea
145. 957 4 2 2003 1917 5 13 2003 1958 4 3 2003 1918 5 14 2003 1959 4 4 2003 1919 5 15 2003 1960 4 5 2003 1920 5 16 2003 1961 4 6 2003 1921 5 17 2003 1962 4 7 2003 1922 5 18 2003 1963 4 8 2003 1923 5 19 2003 1964 4 9 2003 1924 5 20 2003 1965 4 10 2003 1925 5 21 2003 1966 4 11 2003 1926 5 22 2003 1967 4 12 2003 1927 5 23 2003 1968 4 13 2003 1928 5 24 2003 1969 4 14 2003 1929 5 25 2003 1970 4 15 2003 1930 5 26 2003 1971 4 16 2003 1931 5 27 2003 1972 4 17 2003 1932 5 28 2003 1973 4 18 2003 1933 5 29 2003 1974 4 19 2003 1934 5 30 2003 1975 4 20 2003 1935 5 31 2003 1976 4 21 2003 1936 6 1 2003 1977 4 22 2003 1937 6 2 2003 1978 4 23 2003 1938 6 3 2003 1979 4 24 2003 1939 6 4 2003 1980 4 25 2003 1940 6 5 2003 1981 4 26 2003 1941 6 6 2003 1982 4 27 2003 1942 6 7 2003 1983 4 28 2003 1943 6 8 2003 1984 4 29 2003 1944 6 9 2003 1985 4 30 2003 1945 6 10 2003 1986 5 1 2003 1946 6 11 2003 1987 5 2 2003 1947 6 12 2003 1988 188 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Calibration Date Table Appendix E Calibration Date Number of Days Calibration Number of Days 6 13 2003 1989 7 24 2003 2030 6 14 2003 1990 7 25 2003 2031 6 15 2003 1991 7 26 2003 2032 6 16 2003 1992 7 27 2003 2033 6 17 2003 1993 7 28 2003 2034 6 18 2003 1994 7 29 2003 2035 6 19 2003 1995 7 30 2003 2036 6 20 2003 1996 7 31 2003 2037 6 21 2003 1997 8 1 2003 2038 6 22 2003 1998 8 2 2003 2039 6 23 2003 1999 8 3 2003 2040 6 24 2003 2000 8 4 2003 2041 6 25 2003 200
146. 99 Designed Jim Belesiu Mar 5 1999 Title Checked apace E I O Filters A d Si Rev Z Psenicnik 3 19 99 ize Document Number 620005 D Release For Production 1 Bell 3 19 99 ao Date Monday August 05 2002 Sheet 3 of 6 B D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Figure D 9 Atlas 200 210 220 I O filters B L D E REV Description ECN ECO Init Date Ckd A Release to Production 5 39173 JAC 3 18 99 LPP B Component change for 5 39353 JJC 4 15 99 ZIP frequency modulation Change Reset IC U3 c 5 39830 LPP 6 24 99 LPP No Load C40 D Upgrade to larger SDRAM 5 44759 LPP e JK 4 HRESET_n gt A631 gt 10 9 VDDH VDDH a E TP53 TP54 05 PUR ani SDRAM 4Mx16 CS n 97 gt JN A30 23 Se 2 D15 nos 24 8988 533 4 D14 A1 998999 Y 9 9 A28 3 5888 gt gt gt EE D13 A27 26 7 012 VDDH ewn 2 A26 29 2 Da 8 D11 25 30 AE 005 10 D10 A24 31 ym DO6 11 D9 GPLO A23 32 7 ge JH D8 L N Boot Configuration Pull Up 0100100111100000 U5 25 A22 33 42 D7 R57 A8 DQ8 see page 4 10 U5 35 A21 34 P 44 D6 22 A 5 09 Fz
147. AGRAM VIEW A A CABLE WIRING DIAGRAM S 120 00 3 00 120 00 3 00 PATIENT END PATIENT END D C ae R RED A T ges 16 N BLK __ BECH ENER EIER E O cwim O F GRN ee C L YEL D 620027 4 620027 3 A R RED Sa RED R 1 3 We GREEN 6 SHIELD A 1 RED R x Te L YELLOW EN 4 C WHT RED 5 a yore GREEN F 2 5 JUMPER Di 3 F GRN N eau E 5BLK N p 2 WM L YEL J Ze PATIENT END G B i m v 52 YELLOW L 3 6 NA AWHT C 3GRN L L 1 CONNECTOR END CONNECTOR END PATIENT END VIEW D D CABLE WIRING DIAGRAM VIEW C C CABLE WIRING DIAGRAM CATALOG REF DESCRIPTION P N P N v 620027 1 1340PS MWO02500 3 LEAD DIN STYLE SAFETY PATIENT CABLE B NOTES COLOR CODE W R BL N 1 CONNECTOR AND TRUNK CABLE SHALL BE 414C GRAY y 620027 2 1540PS MWO03775 5 LEAD DIN STYLE SAFETY PATIENT CABLE AND THE PATIENT END SHALL BE BLACK gt COLOR CODE W G BR R BL N 2 ELECTRICAL RESISTANCE SHALL BE BETWEEN 900 AND 1100 OHMS lt 620027 3 1340PS I 3 LEAD DIN STYLE SAFETY PATIENT CABLE IEC COLOR CODE R G Y A B CABLE NAMEPLATE SHALL CONTAIN Op ALL 620027 4 1540PS I 5 LEAD DIN STYLE SAFETY PATIENT CABLE RT NUMBER SEE TABLE CATALOG P N IEC COLOR CODE R B W G Y oa W NUMBER XXXXXX PR BAG LABEL SHALL CONTAIN KENDALL CATALOG NUMBER SEE TABLE PARTNO DESCRIPTION SB PART NUMBER SEE TABLE REF P N THESE DRAWINGS AND SPECIFICATI
148. CG and A D circuits We VIN vour Z 4 iso 5Vdig 8 1 ERR p SHTDN C415 C406 cot 8 bra 100uF 25 047uF 047uF E U403 57 57 r LP2951C 3v R416 4 10K R415 Uos 5 100 S 7 U4017 x ST cas al 5 Amt rs U401B cats MC34072 0474 gt 57 C417 57 680pf Figure A 24 Model 621 line regulation and filtering Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 99 Appendix A Theory of Operation Linear Regulators and Filtering Model 622 and 623 From the raw f V and f V voltages the following supplies are generated for the various patient isolated circuits 150 5 412 Regulated 5V supply This voltage is used to power the opto isolators digital con trol logic and 5V digital supply for the Nellcor SpO2 board s 5V Regulated 5V supply Analog 5V supply for the Nellcor SpO2 board This is also the reference voltage used in the regulation of f V f 5V Regulated 5V supply Filtered and buffered from s 5V this voltage is used for the A D reference s 5V Regulated 5V supply Analog 5V supply used for the Nellcor SpO2 board fVcc LC Filtered voltage derived from f V This voltage is used to power the Op Amps used in the ECG Respiration Temperature and A D circuits fVee LC Filtered voltage derived from f V This voltage is used t
149. CN worksheet 5 39455 LPP 4 27 99 LPP C622 C609 C623 L cor L 637 C639 0047 4 7uF 0047 047uF 047uF ES 047uF Improvements for ESD RFI R623 2 D and Fast Transients Correct 5 39821 LPP 6 24 99 LPP 46 4K fVcc Respiration Diff Amp Topology We 4 ore Wwe 2 TP604 U605 U606 Mods to U2 clock line Resp TRESS E gain amp ECG supply and 5 39936 LPP 7 9 99 LPP U601 U602 U603 U608 U609 f HE 7 2 NVRAM pullup 2 E Resp Reset lt z Buffer for ETCO2 Nurse call rela Nee lt gt F Modify RLD to reduce V Lead noise 5 44461 LPP 3 26 02 JK U607B SpO2 Reset Improve ESU rejecti TP601 LM393 gt C629 C631 SpO2 bypass cap RS232 PS mods E C625 T cen EE C626 C627 L cess JL C640 047uF 047uF G nurse call ral 047uF 4 7uF 047uF T 047 047uF 047uF AE Sw RespReset Improve CMR for Resp Toplogy 5 44857 LPP 7 18 02 JK NU iso 5Vdig p D T 4 SUA A l Isolation iso 5Vdig ee Serial Parallel lt Barrier Ve R622 C641 464K 2 gt f 5V TP63 R613 T Control Data H T 6 19K 3 e 1 TP638 ere Ls Sw MonB 4 wMonbw lt lt 2 2 0605 74HCT04 5 R628 4 U607A 74HCT595 U604 2 1 10K 0613 6 R619 TP606 15 14 6 lt eg L393 a 1 SER O TAAA NY 5 iso604 a 619 ZINAA 2 5 lt lt FE Data In fee 5 SRCLK MuxB op SRCLR 636 C643
150. Calibration Date Number of Days 6 28 2007 3465 8 8 2007 3506 6 29 2007 3466 8 9 2007 3507 6 30 2007 3467 8 10 2007 3508 7 1 2007 3468 8 11 2007 3509 7 2 2007 3469 8 12 2007 3510 7 3 2007 3470 8 13 2007 3511 7 4 2007 3471 8 14 2007 3512 7 5 2007 3472 8 15 2007 3513 7 6 2007 3473 8 16 2007 3514 7 7 2007 3474 8 17 2007 3515 7 8 2007 3475 8 18 2007 3516 7 9 2007 3476 8 19 2007 3517 7 10 2007 3477 8 20 2007 3518 7 11 2007 3478 8 21 2007 3519 7 12 2007 3479 8 22 2007 3520 7 13 2007 3480 8 23 2007 3521 7 14 2007 3481 8 24 2007 3522 7 15 2007 3482 8 25 2007 3523 7 16 2007 3483 8 26 2007 3524 7 17 2007 3484 8 27 2007 3525 7 18 2007 3485 8 28 2007 3526 7 19 2007 3486 8 29 2007 3527 7 20 2007 3487 8 30 2007 3528 7 21 2007 3488 8 31 2007 3529 7 22 2007 3489 9 1 2007 3530 7 23 2007 3490 9 2 2007 3531 7 24 2007 3491 9 3 2007 3532 7 25 2007 3492 9 4 2007 3533 7 26 2007 3493 9 5 2007 3534 7 27 2007 3494 9 6 2007 3535 7 28 2007 3495 9 7 2007 3536 7 29 2007 3496 9 8 2007 3537 7 30 2007 3497 9 9 2007 3538 7 31 2007 3498 9 10 2007 3539 8 1 2007 3499 9 11 2007 3540 8 2 2007 3500 9 12 2007 3541 8 3 2007 3501 9 13 2007 3542 8 4 2007 3502 9 14 2007 3543 8 5 2007 3503 9 15 2007 3544 8 6 2007 3504 9 16 2007 3545 8 7 2007 3505 9 17 2007 3546 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 207 Appendix E Calibration Date Table Calibration Date Number of Days Calibration Date Number of Days 9 18 2007 3547 10 29 2007 3588 9 19 2007 3548 10 30
151. D 29 200 210 220 ECG patient cable Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 175 1 2 1 REV DESCRIPTION ECN ECO INIT DATE CKD A RELEASE TO PROD ENG 5 39387 JS HSG amp VIEWS W FAN 8 DELETED WIRE TWIST NOTES ea UN LL 5 6 IN LB TOROUE GROUND WIRE TYPICAL NOTE FEED DIRECTION PARTIAL ASSEMBLY EXPLODED VIEW B 620201 502 SUB ASSEMBLY 620201 501 SUB ASSEMBLY WITHOUT FAN PART NO DESCRIPTION THESE DRAWINGS AND SPECIFICATIONS AR E THE PROPERTY OF WELCH ALLYN INC AND SHALL NOT BE REPRODUCED OR COPI ED OR USED AS A BASIS FOR MANUFACTU RE OR SALE OF EQUIPMENT OR DEVICES WITH OUT WRITTEN PERMISSION DRAWN DATE JB ENGEL 13 Apr 99 APPROVED DATE MATERIAL ZIP 4 15 99 A REL TO PROD DATE FINISH J BELLO 4 15 99 TITLE CAD SOFTWARE PROE SUB ASSEMBLY TRANSLATED FROM ME 10 UNLESS OTHERWISE SPECIFIED DRAWING NO REV TOLERANCES DIMENSIONS 02 ARE IN 620201 B 005 620201 1 ANGES 2 SCALE SHEET 1o 1 2 Figure D 30 200 210 220 power supply sub assy Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 176 3 1
152. D 6 Des 2 207 G 2h dk e 5 u14 5 5 4 d34 b 9 a 5 2h pcx ks 5 015 4 5 4 d35 b 9 12 ON Rak Se 5 u16 4 5 4 d36 b 9 e 6 26 BY G S 6 u14 6 1 6 3 d34 a 10 De EN s 6 u15 5 6 3 d35 a 10 i 026 BY i 6 u16 5 6 3 d36 a 10 e I e 7 u14 7 7 2 712 E 7 u15 6 7 2 d35 dp 2 i 7 u16 6 7 2 Lj 9 8 1 KW 9 u15 7 8 1 a 8 1 9 1 9 1 9 1 d E m Anode 1 Se 6 Anode 1 E 6 Anode 1 ts Anode 2 ME Anode 2 M Anode 2 74HC595A 150 74HC595A 150 74HC595A 150 7 SEG LED 0 36 TP25 7 SEG LED 0 36 TP30 7 SEG LED 0 36 vec vec 3 vcc R53 Degree C 21 D47 onus R52 Degree F d47 c 2 1 SN Z 215 046 i 16 z BY gt zi cc TP22 T1 75 5mm Green TP35 T1 75 5mm Green u14 9 Temperature Hundreds TP33 D33 3 G 2 i 1 pn 4 5 B d33 c ee ee d33 b aaa 10 A i gt 7 Dp 1 Anode 1 u16 9 Anode 2 7 SEG LED 0 36 TP38 TP40 TP42 vec R32 vec R33 vec R34 SpO2 Pulse Rate Ones 150 SpO2 Pulse Rate Hundreds 150 SpO2 Pulse Rate Tens 150 U17 u17 15 8 1 D37 U18 u18 15 8 1 D38 U19 u19 15 8 1 D39 pe UE u17 1 5 4 d37 g 3e Hl iR LI u18 1 5 4 d38 g 5 u19 1 5 4 d39 g Le 2 1 u17 2 6 3 d37 f 2 1 u18 2 6 3 d38 f 2 1 u19 2 6 3 d39 f 2 B PB n B 11 inc 017 3 7 2 37 A se 11 522 2 u183 7 2 d38 e se 1 2 1193 7 2 d39 e A A 10 ES ard 5 E B 10 5 10 Oe
153. D1503A R728 C707 19721 R708 17720 6 3 16K 1 2 SM esp Reset 330pF 196K 7 07027 TP728 707 1 0702 5 5 m 07028 TLo72 R729 R723 715 3 16K 1Meg R710 as 464K 5 NC 1 Welch Allyn Inc Initial Date Drawn d Schematic 620017 dsn Rick Myers Mar 5 1999 Designed Rick M Mar 5 1999 ick Myers 5 Title R N espiration Checked yh L Phillips 3 16 99 A d si Rev EZ Z Psenicnik 3 16 99 es EES Number 2 Release For Production 1 Bell Duc 3 16 99 Date Monday August 05 2002 Sheet 7 of 8 B c D E Figure D 26 210 220 Respiration circuit Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 172 A B D E REV Description ECN ECO Init Date Release to Production 5 39121 JAC 3 15 99 LPP Isolation B See ECN worksheet 5 39455 LPP 4 27 99 LPP Barrier Improvements for ESD RFI D and Fast Transients Correct 5 39821 LPP 6 24 99 LPP
154. DC Regulator AC DC Converter AGW gt gt 12V Backup On Off Regulator Control lt On Off Circuits Battery 0311 AC Not Present zi 5VDC Regulator gt gt 5V Battery D310 Charger gt 3 3VDC Regulator gt gt 3 3V gt gt AC Present Figure A 5 DC DC circuit diagram On Off Circuits Backup Regulator and Micro Controller A 3 3V low current regulator U307 provides power to the On Off circuits and to the real time clock on the CPU board The On Off circuitry is controlled by the micro controller U10 This controller performs the following functions 1 Monitors the status of the front panel ON OFF key If the unit is off and the ON OFF key is pressed the controller will drive U10 6 high which will enable power to the remainder of the instrument 2 At power up the micro controller will drive the beeper for about 1 second 3 At power up the micro controller will reset Shift Register U2 This will cause the follow ing a The front panel LED s are blanked b The NIBP pump drive is placed in the off state 4 When the unit is powered on the micro controller will communicate with the system CPU When the front panel ON OFF key is pressed the CPU will store away present operat ing conditions then issues a command to the micro controller to shut instrument power off U10 6 is driven low which will remove power from the remainder of
155. DI U204 7 211 14 NIBP Valve Close lt NIBP Pump On Ka P4 75V u R247 R248 Ap 1K 1K o 6 0209 T 2 4051 4 P 12V BattCurrent 2 X7 C BattVoltage X6 P 12V S C216 5 afet Print Temp xs y 047uF TP224 P4 25V 1 PN 12 225 Transducer PrimaryPres NIBP NZ SafetyPres 14 3 48 047uF 5V 2 13 3 U209 Out U210 2 PWM A D 226 4 R227 R228 e P202 Out 3 5 11K aS 227 Converter 0205 3 3 1 U206 1 C230 1 202 2 2 1 96 047uF 2 E R237 SA TP228 U206A R223 C214 ME C210 R229 464K U205A MC34072 215K 047uF 047uF 1 96K 047uF N MC34072 X 202 229 2 FPNS 07PGR NC NA KH P 5V C225 EE MA 0n U2062 _ 047uF 680pF PASV TP231 1 Se R230 TP230 P 12V R224 10K 221 6 U208 3 P45V v Ve AN NS emeng wels x TP232 __ M 2 P202 Out 5 R231 C219 C224 Tare 7 U210 7 4 N 9 e i 7 U206 7 732K 047uF a S A 1000pF 3 c lt 202 5 6 R234 0210 5 5 3 3 48K d MAX941 a U206B R225 1 10208 1 0210 3 R220 MC34072 1K 4 2 1 U207B 806 C218 74HCTOO TP233 4 7uF U208A N N N Z R232 MC34072 TP235 5VRef 92066 U207A 10K A 74HCTOO U208 2 C220 1 P 12V 1 N PWM A D r3 TP236 D Converter R221 C215 2 R233 Zero 5 8226 NIBP ADC Clock x 3 16K TP237 21 5 047uF 348
156. Drawn Schematic 620002 dsn Rick Myers 3 05 99 gt gt 5Vref Designed Rick Myers 3 05 99 Title P S DC DC gt gt i Checked ower upp H L Phillips 3 16 99 A d Si Rev Pe 7 Psenicnik 3 16 99 zi Document Number 620002 Release For Production 1 Bell 3 17 99 28 0 Date Monday August 05 2002 Sheet 3 of 6 A B D E Figure D 3 Atlas model 200 power supply Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 149 A B D E REV Description ECN ECO Init Date U407 78L05 A Release to Production 5 39118 JAC 3 15 99 LPP 1 8 isossVdig lt lt IN P B See ECN worksheet 5 39456 LPP 4 27199 LPP 100uF cam eee C430 047uF el Seay ua 047uF Improvements for ESD 5 39822 LPP 6 23 99 LPP and F
157. E CONN TO MAIN BD ECG 620167 CABLE MAIN BD TO DISPLAY BD 620168 2 CABLE ASSY POWER SUPPLY 620171 CABLE ASSY SPEAKER 620172 2 CABLE ASSY AC 620176 CABLE ASSY PRINTER Service Manual 6200 43E Rev D Appendix B Welch Allyn Atlas Monitor 121 Appendix B 122 Welch Allyn Atlas Monitor Repair Parts List Table BA Atlas 621SP repair parts Part Description 620177 CABLE ASSY PRINT HEAD 620181 1 LABEL BOTTOM LOW END 620187 501 PNEUMATIC SUB ASSY 620189 4 20 X 5 16 SLT TORX PN PL ZIN 620192 1 PNEUMATIC CONNECTOR 620193 NUT HEX 5 16 32 X 095 PNEUM 620194 WASHER FLT 33 X 62 X 049 PNEUM 620197 BUSHING SPLIT NYLON 620198 FOOT 620200 501 CRT SUB ASY 620205 4 40 X 31 TX PN MC ST ZN 620207 NUT M3 5 HEX KEPS ST ZN 620214 1 TUBING SILICONE 1 16 50 620215 1 TUBING SILICONE 1 8 X1 00 620215 2 TUBING SILICONE 1 8 X 2 125 620215 3 TUBING SILICONE 1 8 X 7 50 620215 4 TUBING SILICONE 1 8 X 750 620216 FITTING Y 1 8 X 1 8 X 1 8 620217 FITTING T 1 8 X 1 16X 1 8 620373 501 NONIN SUB ASSEMBLY 620378 1 ATLAS KEYPAD BP START GANCEL 620378 2 ATLAS KEYPAD TREND LEAD PRINT 620378 3 ATLAS KEYPAD SP02 CLOCK POWER 620378 4 ATLAS KEYPAD 4 ALARMS 620378 5 ATLAS KEYPAD SILENCE ALARM 620378 6 ATLAS KEYPAD SILENCE BELL 620379 501 MONITOR BOX W INSERTS 620384 1C LOW LABEL W PRINTER CHINESE
158. E HANDLE SET 620126 5 BEZEL SET MID PRINTED 620131 1 MAIN FOAM 620132 2 TOP FOAM 620133 BP FOAM 620134 501 GEAR ASSY 620138 501 PRINTER DOOR ASSY 620139 501 PRINTER FRAME ASSE 620140 501 MAIN PRINTER ASSY 620140 502 PRINTER ASSY W STATIC BAG 620141 METAL HOUSING TOP 620142 1 METAL HOUSING BOTTOM LG 620143 NUT TEMPERATURE 620144 BRACKET SPO2 620150 1 AC DC POWER SUPPLY 620156 PUMP 620157 STEPPER VALVE 620158 CHECK VALVE 620163 CABLE ASSY PUMP PNEUMATIC VLV 620165 CABLE CONN TO MAIN BD ECG 620167 CABLE MAIN BD TO DISPLAY BD 620168 2 CABLE ASSY POWER SUPPLY 620170 CABLE ASSY NELLCOR 620171 CABLE ASSY SPEAKER Service Manual 6200 43E Rev D Appendix B Welch Allyn Atlas Monitor 127 Appendix B Repair Parts List Table B 6 Atlas 622NP repair parts Part Description 620172 2 CABLE ASSY AC 620173 CABLE TEMP SENSOR TO MAIN BD 620175 CABLE ASSY FAN 620176 CABLE ASSY PRINTER 620177 CABLE ASSY PRINT HEAD 620178 CABLE ASSY 5 02 620181 2 LABEL BOTTOM MID END 620182 LABEL 5232 620187 501 PNEUMATIC SUB ASSY 620189 4 20 X 5 16 SLT TORX PN PL ZIN 620192 1 PNEUMATIC CONNECTOR 620193 NUT HEX 5 16 32 X 095 PNEUM 620194 WASHER FLT 33 X 62 X 049 PNEUM 620197 BUSHING SPLIT NYLON 620198 FOOT 620200 501 CRT SUB ASY 620205 4 40 X 31 TX PN MC ST ZN 620207 NUT M3 5 HEX
159. E Rev D Service Section 2 7112854 Figure 2 4 Photo of Atlas BP calibration setup 50mmHg Calibration 1 Enter the following commands at the Pangea prompt Pangea gt bp valve close lt ENTER gt Pangea gt bp safety off lt ENTER gt Pangea gt bp cal 5000 Do not press lt EN T ER gt yet 2 Raise the pressure with bulb to as close to 50 00mmHg as possible Now press lt ENTER gt 3 Release the pressure 250mmHg Calibration 1 Enter the following command Pangea gt bp cal 25000 Do not press lt ENTER gt yet 2 Raise the pressure with bulb as close to 250 00 mmHg as possible Now press lt ENTER gt 3 Enter the following command to save the calibration in the Atlas Pangea gt nvram write lt ENTER gt 4 Release the pressure Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 17 Section 2 Service CO Reset 623xx Models Only Required material 1 Watertrap 2 Scrubber NOTE The Scrubber looks similar to a watertrap but it is filled with white granules The scrubber is included with the 623XX models only NOTE Make sure date and time are correct before performing the CO reset 1 Turn Atlas on Make sure the watertrap and scrubber are NOT attached to the Atlas 2 Press the DATE TIME button on the lower right of the monitor The Set Date and Time and Other Options menu will be displayed 3 Press the CO RESP ALARMS Off button The CO Reset screen will appear 4 You will see the foll
160. ER you should see a Pangea screen similar to the example in Figure 2 16 34 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Service Section 2 Atlas HyperTerminal I x File Edi View Call Transfer Help Dis exis ele nwram set seria Pangea m Connected 0 00 28 Auto detect 3600 8 N 1 SCROLL CAPS NUM Figure 2 16 Pangea screen after you have downloaded the nvram set serial command NOTE To finish downloading the NVRAM files type the next two commands at the Pangea prompt 18 At the Pangea prompt type the command nvram write ENTER 19 At the Pangea prompt type the command hw reset ENTER NOTE The hw reset command will reboot the Atlas complete this entire Downloading NVRAM files section that you must perform 8 Remember that after you have download the files in this section and you must a complete calibration on the Atlas monitor NOTE Thefirmware is not up grade able on the OEM boards 5 and boards If a higher version software is needed then you will need to replace the OEM board Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 35 Troubleshooting Section 3 NOTE Review customer complaint and determine if it is safe to plugin the Atlas monitor into AC power and if it is safe to turn on Power on Self Test 1 Plug in Atlas into AC power with no sensors attached Verify that the AC LED indictor is lit Install paper in printer i
161. F WELCH ALLYN INC AND SHALL NOT BE REPRODUCED OR COPI ED OR USED AS A BASIS FOR MANUFACTU RE OR SALE OF EQUIPMENT OR DEVICES WITH OUT WRITTEN PERMISSION DRAWN DATE Wi ZS 12 99 ich APPROVED DATE MATERIAL ZIP 7 12 99 REL TO PROD DATE FINISH J BELLO 7 12 99 TITLE S POWER SUPPLY 50W CAD SOFTWARE PRO E TRANSLATED FROM UNLESS OTHERWISE SPECIFIED DRAWING NO REV TOLERANCES DIMENSIONS B XX 0 AREIN 620150 C XXX 005 INCHES ANGLUS 2 SCALE SHEET lof 1 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Figure D 32 200 210 220 Power supply 178 DESCRIPTION ECN ECO 1258210 620154 15 REF 88 MAX Mn REF 2 88 MAX SHIELD SOLDERED TO BOARD 4 PLACES 2 00 REF 2 50 MAX 10 REF 15 MANUFACTURER BOARD 2 096 IDENTIFICATION Sa EE 2 THE PART IS 1754 5 1255210 J o 620154 ASSY NONIN SPO2 BOARD B E 1255210 55 NONIN SPO2 BOARD A NOTES THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF WELCH ALLYN INC I MANUFACTURER NONIN MEDICAL INC AND SHALL NOT BE REPRODUCED OR COPIED OR USED AS A BASIS FOR MANUFACTURE MINNEAPOLIS MN OR SALE OF EQUIPMENT OR DEVICES WITHOUT WRITTEN PERMISSION 2 BOARD TO MEET WELCH ALLYN SPECIFICATION 126P163 D MCGLONE 3 8 95 APPROVED DATE MATERIAL PACKAGE INDIVIDUALLY WITH ESD PROTECTION B PIERCE P N 125521
162. FASTON TAB 620388 2 LABEL NELLCOR SENSOR 620393 PWR SUPPLY INSULATOR LABEL 620394 1 WASHER SHOULDER PLATED 620395 501 REPLACEMENT BATTERY SUB ASSY 620403 FLAT TIE HOLDER 620411 1C PRYON 2 CAUTION LABEL Chinese 620411 1E PRYON CO2 CAUTION LABEL English 620411 1F PRYON CO2 CAUTION LABEL French 620411 1G PRYON CO2 CAUTION LABEL German 620411 1 PRYON 2 CAUTION LABEL Japanese 620411 1P PRYON 2 CAUTION LABEL Port 620411 15 PRYON 2 CAUTION LABEL Spanish 620524 CABLE CO2 TO MAIN BD 620530 D CONN LOCATOR NELLCOR MP506 620531 CABLE ASSY NELLCOR MP506 SEN 620532 NELLCOR MP506 SPO2 PCB 623NP ACCKT ATLAS ACC KIT HIGH NEL W PRNT 761077 1 WIRE TIE 144 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D CKD JRS 8 21 99 DATE INIT ECN ECO 5 40138 DESCRIPTION RELEASE TO PROD ENG REV A 145
163. H ii ANAS Q7 BS170 Ec C0 No Load m 1 74HCTO4 Welch Allyn Inc Initial Date Drawn Rick Myers Mar 4 1999 Schematic 620011 dsn Designed x Rick Myers Mar 4 1999 Title CRT Deflection Board Checked ES L Phillips 3 9 99 i R Approved ZPsenicnik 3 9 99 Size Document Number 620011 Release For Production J Bello 3 9 99 Date Friday July 23 1999 Sheet 1 of 1 A B D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 164 Figure D 18 CRT deflection board A B c D E REV Description ECN ECO Init Date Ckd A Release to Production 5 39179 JAC 3 18 99 LPP B Add EMI bead to Q4 improve 5 41395 JB 5 9 00 radiated emissions 4 Temperatu
164. IUd ol NO 037 100 1 4 145 wav iHola 1 Cium e u A20423U 6 031 N09V 481 m Nu8 61 01 1 20213 S a 29 238 8 viva 031 32012 34 H 034 11 7 01 X3 20213 losr 1058 1 T s 20 538 1 annoys R V1VO d8IN 80 annoys 22 lt D A20 238 D V1VO A3X y2012 2av H 1344 e Lo Lud e A 20 238 H AG l ON 2 38 45 Rei N H21V1 A33 8l 8 2045 T gt o 5 330 10 In Xu 20213 e e 1 0 238 2 2012 3 9 1 2045 anos a 49079 9348 I si X1 20213 d Hrs er svig 30010 134 svia 30010 S EE cc 9 80815 23 D anos er 0131HS WNOIS NYOH 8 L 5 1 21 1 1 4 238 84 er D annoys anos c D g131HS 2 1 318v2 claSSss 9 MI 1 4 214 AS S o or INIT NOSN3S L 9 NOSN3S Z CJlRRuEE aa 5 38nss3udH3AO dBlN 6 st AVN91S 30010 xvoo 55865 M d3lS uNOlOW 238 el X1 2 2su 8 1 20455 anos Hae D D ag z IN 6 annoys L AS S 12045 Haay e sie e INI 3A180 031 3NI1 031 N ex cim S o 2 14405 238 9 2 PIIA X 7 2 ve C LT er 3NI1 JANYA G37 ax 3NI1 3A180 031 UEF
165. K Offset D201 C 2 1 N Welch Allyn Inc 5 N A D201 Initial Date 5 7 U2057 MMBD1503A 6 gt 0207 3 Drawn I Schematic 620017 dsn TP234 Rick Myers Mar 5 1999 C213 R222 0205 Designed m mo KU w ma NIBP ELECTRONICS Checked m L Phillips 3 16 99 A d si Rev WA Z Psenicnik 3 16 99 Es Document Number 620017 G Release For Production ij Ball 3 16 99 Gelee Date Monday August 05 2002 Sheet 2 of 8 A B c D E Figure D 21 210 220 NIBP electronics Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 167
166. KEPS ST ZN 620214 1 TUBING SILICONE 1 16 50 620215 1 TUBING SILICONE 1 8 X1 00 620215 2 TUBING SILICONE 1 8 X 2 125 620215 3 TUBING SILICONE 1 8 X 7 50 620215 4 TUBING SILICONE 1 8 X 750 620216 FITTING Y 1 8 X 1 8 X 1 8 620217 FITTING T 1 8 X 1 16X 1 8 620377 1 NELLCOR WORKS HERE LABEL 620377 2 NELLCOR PATENT LABEL 620378 1 ATLAS KEYPAD BP START CANCEL 620378 2 ATLAS KEYPAD TREND LEAD PRINT 620378 3 ATLAS KEYPAD SPO2 CLOCK POWER 620378 4 ATLAS KEYPAD 4 ALARMS 620378 5 ATLAS KEYPAD SILENCE ALARM 620378 6 ATLAS KEYPAD SILENCE BELL 620379 501 MONITOR BOX W INSERTS 128 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Repair Parts Lists Table B 6 Atlas 622NP repair parts Part Description 620384 3C MID LABEL W PRINTER CHINESE 620384 3E DISPLAY LABEL MID PRINTER ENG 620384 3F MID LABEL W PRINTER FRENCH 620384 3G MID LABEL W PRINTER GERMAN 620384 3I MID LABEL W PRINTER ITALIAN 620384 3 MID LABEL W PRINTER JAPANESE 620384 3P MID LABEL W PRINTER PORT 620384 35 LOW LABEL W PRINTER SPANISH 620385 SUB LABEL DISPLAY 620386 FASTON TAB 620388 2 LABEL NELLCOR SENSOR 620393 PWR SUPPLY INSULATOR LABEL 620394 1 WASHER SHOULDER PLATED 620395 501 REPLACEMENT BATTERY SUB ASSY 620403 FLAT TIE HOLDER 620530 D CONN
167. LPP c C623 C624 B See ECN worksheet 5 39456 LPP 4 27 99 LPP 047uF 047uF 047uF Improvements for ESD 5 39822 LPP 6 23 99 LPP SE r and Fast Transients Mods to U2 clock line D 5 39934 LPP 7 9 99 LPP NVRAM pullup U601 U602 U603 Add Nellcor SpO2 cabability SS F Modify RLD to reduce V lead noise 5 44460 LPP 3 26 02 JK E C625 C614 C626 C627 FN Isolation Add 330uF bypass for Nellcor 506 047uF 047uF 6 board 5 44857 LPP 7 18 02 JK Barrier 4 NE NE NE RU E E E 464K gt TP625 d o 5 SwRLDV lt lt 2 26 C 06078 N iso 5Vdig LM393 lp iso 5Vdig iso 5Vdig C629 F U604 047 lt lt 1 613 5V Wee Serial Parallel d TP627 R613 C641 HCNW4503 C63 55 61K O 1uF D VE lt Z 474 Control Data TP602 U604A U605 A 74HCTOA R625 a 7 595 i 10K R619 xl T 619 Rei 5 a 4 U6042 ne 1 U613 6 6 SCH SpO2 Reset lt ob 2 CH N 3 iso604 a PS lt lt FE Data In N 545 55 3 11 5 M x SRCLK s 464K SWN 3 10 C634 S 0 im 220pF QE 7 YN Sw DiagBw es 12 lt A p Sw MonBw 2 SwRIDRL lt C qs k VE Ae Km Sw RLD LL lt 4 U607A gt LM393 9 604 bi TP622 iso 5Vdig TP605 Nee
168. M ADC 6_ 5 Lea B See ECN worksheet 5 39455 LPP 4 27 99 AC 12V sv 74HCTO4 Improvements for ESD gt D i 5 39821 LPP 6 24 99 2 TP7 and Fast Transients Correct Respiration Diff Amp Topology 2 EKG Data Clock 9 28 gt Mods to U2 clock Resp 4 Data S F Data Clock E gain amp ECG supply and 5 39936 LPP 7 9 99 gt ib rev NVRAM pullup i 74HCT04 TP8 Buffer for ETCO2 Nurse call relay _ 3 IN NUS F Modify RLD to reduce V Lead noise 5 44461 LPP 3 26 02 JK EKG ADC Clock 11 10 SE gt gt Rec ND oe gt gt gt FEADC Clock EE CON7 047u 45V 1 G 5 44857 LPP 7 18 02 T 7AHCTO4 M nurse call relayJmprove CMRR for Resp Topology 5 D TP11 2 4 33V FE Data 13 a2 x gt FE Data In u2Reset Serial TP1 TP2 TP3 4 45V 74HCT04 020 T EN Menus D MA EKG Page4 10K On ut QA 1 Power Sync 3 A gt Zem 5 2 Batte UN 5 2 2 5 x Ly srar U1B 1 na 4 i 74HCT04 A D Batt ID 12 9 5 Audio Shutdown SZ 3 p Se TOM We NIBP A D SelB D 6 os NIBP A D SelA CONS QH NIBP Pump On NIBP ADC Clock 5 e d 45v QH NIBP Safety NZ SpO2 Page4 02 NIBP 15mmHg D W NIBP Overpressure 5 SPO2 Rx 2 1 13 12 Era NIBP Valve Close O lt spo20ut O D NIBP PWM ADC CRT Board P TR 1 22 NIBP Offset DAC 74HCT04 74HCT04 Connector NE
169. Mux LdS B 19 6K 73 2K 10K e NY TP526 TP527 V Lead C504 1 C540 1 U502 5 5 R552 mss e 4 lt Mux LdS C 6 9 K lt 1K SG e d AS 530 S N504 0 C504 C540 C500 22Meg 95028 R523 330pF 220pF 100pF TP542 TLO72 10K C513 N lt LAMP NEON 0 1 220pF 532 0504 1 515 1 TP543 2N7002 V s V E E V E De R560 10502 6 504 5 R553 A 22Meg Y 100K 1 Q504g lt Sw MonBw R524 Q505 gt 1 21K 2N700 VLdsOff 0 1 Wer 0504 Za pr E vA len 4 y EI e TP548 U503B R555 w RLD I TLO72 9 30 1K 14 15 5 0503 5 5 24 Sw RLDAL gt VLdsoff lt lt 545 550 11 10 n R505 R566 4105 p C536 R556 ER m Sw RLD LA D2 INS 124 C Right Le C505 1 C541 1 6 7 10K rd oor SI Z s Sw RLD RL gt 2 Dee 13 uae L Na ve 4 N505 C505 G4 Um Se 5 330pF 220pF END LAMP NEON DG202CSE v s v E E v E 549 0501 0502 TP559 27 42 U503A R525 vi EOS NL NL R516 1072 10K 1 055 A E b 10K 3 MMBD1503A 3 3 2 o 2 3 RL mux 1 A o 2 R526 V Lead Defib Protect 10K 0503 2 4 562 Diodes internal to 0504 RLD Welch Allyn Inc R567 Initial Date protect other inputs E Dee Q501 G 560 R527 Wee C514 Drawn 1 Schematic 620017 dsn Sw RLD V 9 1K
170. Nee SCH e TP623 C634 mut JESS U603 4 4051 21 MuxA 61 247 x 5 R625 nS ee 4 Clamp Clamp 1K i Cl c 51 8 R605 R607 D602 R627 1 21K E 8 3 48K g 464K An ECG 1 5 BAV99L 1 xo x AU S m iso 5Vdig iso 5Vdig 2 uP geb TP626 Nec C635 mut 8 R601 1 627 f 5V Jeor TS 10K TR 8 R608 c632 2 SEM C603 1K T 047uF qs CH 680p Temperature C636 R606 2 a 7 CON2 2200 R602 3 3 48K T Q601 lt d U602 3 e Thermistor U601 1 INOR 3 Ny MMBT3904L A 2 U602 E imm me U604D C621 HSV U601A 29 74HCTO4 BA S R603 NX MC34072 NK v 610 plur 46 4K 5 sn HCNW4503 0601 2 8 iso601 a 3 8 212 4 TP643 Cem Nee R632 PWM Nee lt 5 11K U604 10 U61 TP632 w FE PWM ADC R604 1000pF A D i 10K Converter U604E 06012 1 A 74HCTO4 5 gt 100pF D601 TP633 MMBD1503A Integrator 220566 lt Input 833uSec U604 10 1 45V Comparator Inputs Analog In Welch Allyn Inc Initial Date je 620017 dsn Drawn Rick Myers Mar 5 1999 Schematic Ae Dee Designed Rick Myers Mar5 1999 ECG A D and Interface Checked L Phillips 3 16 99 Approved pum 316 99 Document Number Rev 8 c 620017 G PWM timer Release For Production J Bello 3 16 99 Date Monday November 04 2002 Sheet 6 of 8 c D E Welch Allyn At
171. O 4 14 99 TITLE ETCO2 PCB CAD SOFTWARE PROE ASSEMBLY TRANSLATED FROM ME10 UNLESS OTHERWISE SPECIFIED B DBAWING NO REV TOLERANCES DIMENSIONS 02 ARE IN 620032 C 00 INCHES ANGLES i2 3 SCALE NONE SHEET lof 1 Figure 0 31 220 ETCO PCB assembly Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 177 REV DESCRIPTION DATE PERFORMANCE SPECIFICATIONS J2 OUTPUT J1 AC INPUT OUTPUT 1 1 LINE OUTPUT 1 2 OUTPUT 1 3 NEUTRAL RETURN RETURN RETURN INPUT VOLTAGE 90 264 Vac INPUT FREQUENCY 47 63 Hz INPUT CURRENT FULL LOAD 1 6A OVERVOLTAGE PROTECTION 1421 1V OUTPUT VOLTAGE 12VDC 4 2A OUTPUT POWER CONTINUOUS 50 W OUTPUT POWER PEAK 55 W OPERATING TEMPERATURE 0 50 C EMI COMPLIANCE CISPRII CLASS B EN55011 OUTPUT NOISE P P 1 NOTES 1 SUPPLIER CONDOR POWER SUPPLIES INC 2311 STATHAM PKWY OXNARD CA 93033 PART GLM50 12 2 SUPPLY MUST BE APPROVED TO UL 2601 AND IEC 601 1 3 SUPPLIER REV C OR HIGHER SEE ECN REV A REL AS EXT ITM MSTR 539094 ASK E C REVISED SUPPLIER P N 5 41401 JRS 5 18 00 TW 620150 1 REV B OR HIGHER PART NO DESCRIPTION THESE DRAWINGS AND SPECIFICATIONS AR E THE PROPERTY O
172. ONS AR E THE PROPERTY OF WELCH ALLYN INC DESCRIPTION SEE TABLE AND SHALL NOT BE REPRODUCED OR COPI ED OR USED AS A BASIS FOR MANUFACTU RE QUANTITY 1 EACH 7 CABLE MUST MEET THE PERFORMANCE STANDARD FOR ELECTRODE LEAD WIRES ORSALEOF EQUIPMENT OR DEVICES WITH OUT WRITTEN PERMISSION LOT NUMBER XXXXXX AND PATIENT CABLES FOUND IN TITLE 21 CFR PART 898 DRAWN DATE Wel JB ENGEL 09 Apr 99 ch CHANNEL DESIGNATIONS RA WHITE LL RED LA BLACK B CHANNEL DESIGNATIONS R RED F GREEN L YELLOW BATE MATHAU WITH 1 K OHM RESISTORS a OTIT OM TOR ZIP 4 16 99 WIRING PER ANSI AAMI 1983 ECG CONNECTOR STANDARD 2 WIRING PER ANSI AAMI 1983 ECG CONNECTOR STANDARD REL TO PROD DATE FINISH COMPLIANT WITH ANSI AAMI EC53 1995 CABLE AND LEAD STANDARD COMPLIANT WITH ANSI AAMI EC53 1995 CABLE AND LEAD STANDARD J BELLO 4 16 99 5 TITLE 6 CHANNEL DESIGNATIONS RA WHITE RL GREEN C BROWN 9 CHANNEL DESIGNATIONS R RED N BLACK C WHITE ECG PATIENT LL RED LA BLACK WITH 1 K OHM RESISTORS a i GREEN L YELLOW WITH 1 K OHM RESISTORS PROE CABLE WIRING PER ANSI AAMI 1983 ECG CONNECTOR STANDARD WIRING PER ANSI AAMI 1983 ECG CONNECTOR STANDARD TRANSLATED FROM COMPLIANT WITH ANSI AAMI EC53 1995 CABLE AND LEAD STANDARD COMPLIANT WITH ANSI AAMI EC53 1995 CABLE AND LEAD STANDARD UNLESS OTHERWISE SPECIFIED DRAWING NO REV TOLERANCES DIMENSIONS 620027 B 02 ARE IN 005 INCHES ANGLES 2 SCALE NONE SHEET lof 1 Figure
173. OPERTY OF WELCH ALLYN INC 3 7 AND SHALL NOT BE REPRODUCED OR COPI ED OR USED AS A BASIS FOR MANUFACTU RE RED OR SALE OF EQUIPMENT OR DEVICES WITH OUT WRITTEN PERMISSION CABLE DRAIN SHIELD YELLOW Se Hx 7 10 JB ENGEL 14 May 99 4 2 APPROVED DATE MATERIAL 8 3 ZIP 2 18 99 8 REL TO PROD DATE FINISH DB9 _ NOTES SCHEMATIC een J BELLO 2 18 99 TITLE 1 ALL CONNECTORS ARE TO BE UL RECOG NIZED COMPONENTS AND CSA CERTIFIED CABLE ASSY CONNECTOR MATERIAL SHALL HAVE FLA MMABILITY RATINGS OF 94V 2 OR BETTER CAD SOFTWARE PE NELLCOR SENSOR TRANSLATED FROM ME10 DRAWING NO REV 2 CABLE ASSEMBLY TO BE 100 TESTED FOR POINT TO POINT 620169 C AND SHIELD OVER SHIELD CONTINUITY xx AREIN ae SCALE NONE SHEET 10 1 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 184 Figure D 38 Nellcor sensor cable assy Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D RE DESCRIPTION ECN ECO INIT DATE CKD A RELEASE TO PROD ENG 5 39387 JRS 4 15 99 TW REVISED ITEM NUMBERS 5 39513 TJW 5 3 99 TW 41 ie Gs ORANGE WHITE s es RED 620187 501 PNEUMATIC SUB ASSEMBLY PART NO DESCRIPTION THESE DRAWINGS AND SPECIFICATIONS AR E THE PROPERTY OF WELCH ALLYN INC
174. P176 174 T1 75 5mm Green Clock1 LED SpO2 Clock LED Latch 2 LED_SpO2_Latch LED SPO2 Enable LED_SpO2_Enable 9 Welch Allyn Inc Initial Date Drawn Jim Belesiu 3 15 99 Schematic 620008 dsn penne Jim Bel 3 15 99 im Belesiu 1 d Title SPO2 LED Drivers Checked L Phillips 3 24 99 A d Si Rev prove Z Psenicnik 3 24 99 ize Document Number C 620008 E Release For Production 1 Bell 3 24 99 SE Date Friday July 23 1999 Sheet 5 of 5 A B D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Figure D 17 SpO LED drivers A B D E idth Coil L3 inductance range changed REV Description ECN ECO Init Date Ckd Ve rti cal A I pl ifi e r A Release to Production 5 39097 JAC 3 9 99 LPP Vertical Sync Ri Ramp Generator 1K u2 1 B Modify Video
175. PACITANCE lt 7 5 pF VOLTAGE BREAKDOWN gt 8 KV DC INPUT 12 V DC OUTPUT 1 7 5 V 0 5V 40 mA OUTPUT 2 5V 100 mA REGULATED OUTPUT 3 7 5 0 5 40 SWITCHING FREQUENCY 76 8 KHZ OPERATING MODE DISCONTINUOUS PRIMARY WINDING PIN 5 TO PIN 8 INDUCTANCE 135 uH p 10 RESISTANCE 0 15 OHMS p 15 SECONDARY WINDING PIN 1 TO PIN4 INDUCTANCE 380 uH 10 15 RESISTANCE 0 25 OHMS 15 6 THE FOLLOWING TESTS TO BE PERFORMED ON 10096 OF THE PARTS AND WRITTEN CERTIFICATION TO BE SUPPLIED WITH EACH LOT A PRIMARY INDUCTANCE PIN 5 TO PIN 8 B SECONDARY INDUCTANCE PIN 1 TO PIN 4 C TURNS RATIOI 1 4 TO 5 8 D VOLTAGE BREAKDOWN 7 PART TO BE A RECOGNIZED COMPONENT UNDER UL2601 OR EN60601 1 CONSTRUCTION 4 F 815 MAX bo PCB HOLE PATTERN 412V FEEDBACK CIRCUIT SCHEMATIC 750 MAX D 5V J DESCRIPTION ECN ECO INIT DATE RELEASE TO PROD ENG 5 39342 4 08 99 NOTE 5 WAS Dip Soe pion vens D 710 C 7 5V 5V 40MA 5 V REGULATED 100 mA B 75V 5V 40MA PART NO DESCRIPTION THESE DRAWINGS AND SPECIFICATIONS AR E THE PROPERTY OF WELCH ALLYN INC AND SHALL NOT BE REPRODUCED OR COPI ED OR USED AS A BASIS FOR MANUFACTU RE OR SALE OF EQUIPMENT OR DEVICES WITH OUT WRITTEN PERMISSION DRAWN DATE Welch Allyn APPROVED DATE MATERIAL pw em REL TO PROD DATE FINISH JL emm SOFTWARE SOFTWARE PROE I
176. PTION 1 ALL CONNECTORS ARE TO BE UL RECOGNIZED COMPONENTS AND CSA CERTIFIED CONNECTOR MATERIAL SHALL HAVE FLA MMABILITY RATINGS OF 94V 2 OR BETTER 2 WIRE SPECIFICATIONS PART NO DESCRIPTION UL 1061 AWM AB THESE DRAWINGS AND SPECIFICATIONS AR E THE PROPERTY OF WELCH ALLYN INC AND SHALL NOT BE REPRODUCED OR COPI ED OR USED AS A BASIS FOR MANUFACTU RE COLOR CODED 009 THK NOM PVC INSULATION OR SALE OF EQUIPMENT OR DEVICES WITH OUT WRITTEN PERMISSION TEMP RANGE 10 C TO 80 SC DRAWN DATE JBENGEL Inc Welc VOLTAGE RATING 300V APPROVED DATE MATERIAL STRANDED TINNED COPPER CONDUCTOR CDM 7 2 93 7 REL TO PROD DATE FINISH RECOGNIZED COMPONENT MARK RU AND CS A MUST J BELLO 7 2 99 APPEAR ON SPOOL OR BE STAMPED ON WI RE T CABLE ASSY CAD SOFTWARE PE CO2 TRANSLATED FROM ME10 UNLESS OTHERWISE SPECIFIED B DRAWING REV TOLERANCES DIMENSIONS 02 ARE IN 620524 ANGES nb SCALE NONE SHEET 1 Figure 0 40 220 CO cable assy Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 186 Calibration Date Table Appendix E Calibration Date Number of Days Calibration Number of Days Table E 1 Calibration Date Table 2 10 2003 1866 1 1 2003 1826 2 11 2003 1867 1 2 2003 1827 2 12 2003 1868 1 3 2003 1828 2 13 2003 1869 1 4 2003 1829 2 14 2003 1870 1 5 2003 1830 2 15 2003 1871 1 6 2003 1831 2 16 2003 1872
177. R n PC10 2 NIBP2 PW ADC RS423 CTS 2 PC9 209K R130 10 8 GPL5 RI i 2 7 Nurse Cal PB18 9 GPL4 3 6 Key Latch Key Latch VDDH lt lt Side 4 5 ES MODCK 0 0 Selects 32KHz as main oscillator NIBP Valve PA6 3 09K R131 RSTCONF 0 allows 823 to sample data bus during HRESET 100 GPL C70 C72 C73 lt DSCK 330pF 330pF 330pF 330pF VDDH s lt IR 07 1 58 R132 R83 Co R82 VDDH 1 8 wO SPI clock S SPl clock x ALE B 5 2 IRQ n6 5 3 6 EE NL R133 R104 R105 3 IRO_n5 LED Latcl 4 5 LED Latch x 4 n4 adain t SPl data in x NL 158K a lt RSTCONF_n 10K 100 6 IRO_n3 C78 C79 C80 C81 1 58K R134 2 lt MODCK1 7 IRQ_n2 330pF 330pF 330pF 330pF 10 8 IR 1 on 4 4 TRST n lt 9 IRO_n0 R85 1 c 1 8 1 58K R152 Recorder Data 2 7 Recorder Data x Recorder Strobe Recorder Strobe x VDDH R49 3 6 R107 R108 1 Recorder Clock 4 5 Recorder Clock x Rist 5 2 RS423 Rx Recorder Data Latch Recorder Data Latch x 515 NL 1 58K 3 NIBP Fault i 100 ideo gt ideo Data 1 SE 7 Zeg a od 25 Video Data Z Video Data x 10K TZ 330pF 330pF 330pF 330pF s 122 7 NIBP Overpressure M gt R87 22pF 10 8 ACON 1 8 9 PA15 Video Horizontal Sync 2 7 ETCO2 Rx Video Vertical Sync 3 6 VSYNC x XZ Batt ID 4 5 NIBP Data NIBP Data x VDDH R86 1 1 R78 5 2 ee C90 ceo l3
178. R533 10K TP516 fVcc fVcc nm 5 R511 AAA 0506 SD R565 N502 0 c38 Em 22Meg 05018 R519 4051 T R545 m 3 121K i 330pF 220pF 100pF TP519 TL072 10K C511 R534 10K LA 13 mux 5 10K 0 1 1 4 9 D x 70 U5082 2 i24 1 diff out LAMP NEON TP520 01 2 220 AA Yi A 1 511 1 LL 15 6 U508A 3 v X NUS NU NZ fvee ias TP521 RA Maro S AD712 a 0509 T TA 1 TP522 R558 10501 6 R535 10K U507B n LMC7101 7 UL 5 8 7 22Meg xs 1072 5 4 V 2 5 C542 fVee R520 R536 10K LIN ee 220 1 21K 4 Dee 4 VLdsOff 0 1 i ed 1 541 523 R537 10K n A R503 R563 R512 TP524 TP525 ae i 0 R547 19 6K 73 2K 10K N SA SH 10K 6545 Left Leg 3081 4 65391 S 5023 3 0 1 1000pF High Pass 0 05Hz or 0 5Hz Gain Stage 1 fVcc 2 1 Low Pass 150Hz Gain 74 AN ger 1 ow Pass 2 ain o ads ci t N Z 517 N503 COLE C503 C539 508 22Meg be U502A R521 TP528 TP529 C515 R550 e TP518 330pF 220pF 100pF TP531 1072 10K C512 3 3uF 19 6K LAMP NEON TP533 0 1 220pF ecg hp 0508 5 5 513 1 at 7 S lt Z NA SE Wee 5 SS 5 R559 lus02 2 i FA WM 22Meg R548 R549 O47uF a U508B TP535 TP536 TP537 1Meg 110K AD712 R551 C517 R522 73 2K ow MN fVcc_ 121 2S VLdsOff 0 1 qn 504 fVee ux l x TP544 TP538 Z U508 6 E 4 R504 R564 8514 539 540 lt
179. RE LABEL 620377 2 NELLCOR PATENT LABEL 620378 1 ATLAS KEYPAD BP START CANCEL 620378 2 ATLAS KEYPAD TREND LEAD PRINT 620378 3 ATLAS KEYPAD SPO2 CLOCK POWER Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 137 Appendix B Repair Parts List Table B 9 Atlas 622NP repair parts Part Description 620378 4 ATLAS KEYPAD 4 ALARMS 620378 5 ATLAS KEYPAD SILENCE ALARM 620378 6 ATLAS KEYPAD SILENCE BELL 620379 501 MONITOR BOX W INSERTS 620384 5C HIGH LABEL CHINESE 620384 5E DISPLAY LABEL HIGH PRINTER ENG 620384 5F HIGH LABEL FRENCH 620384 5G HIGH LABEL GERMAN 620384 5I HIGH LABEL ITALIAN 620384 5 HIGH LABEL JAPANESE 620384 5P HIGH LABEL PORT 620384 5S HIGH LABEL SPANISH 620385 SUB LABEL DISPLAY 620386 FASTON TAB 620388 2 LABEL NELLCOR SENSOR 620393 PWR SUPPLY INSULATOR LABEL 620394 1 WASHER SHOULDER PLATED 620395 501 REPLACEMENT BATTERY SUB ASSY 620403 FLAT TIE HOLDER 620411 1C PRYON 2 CAUTION LABEL Chinese 620411 1E PRYON CO2 CAUTION LABEL English 620411 1F PRYON CO2 CAUTION LABEL French 620411 1G PRYON CO2 CAUTION LABEL German 620411 1 PRYON 2 CAUTION LABEL Japanese 620411 1P PRYON CO2 CAUTION LABEL Port 620411 15 PRYON 2 CAUTION LABEL Spanish 620524 CABLE CO2 TO MAIN BD 620530 D CONN LOCATOR NELLCOR MP506 620531 CABLE ASSY NELLCOR MP506 SEN
180. Rick Myers Mar 5 1999 514 2 1 Designed Rick Myers Mar 5 1999 x C546 No Load Title NL R528 TP552 Checked n Allows RLD switch 3s SK L Phillips 3 16 99 ECG Amp Approved Size Rev NU to V Lead not used PP Z Psenicnik 3 16 99 Document Number 620017 Release For Production 3 16 99 J Bello Date Monday August 05 2002 Sheet 5 of 8 A B D E Figure D 24 210 220 ECG amp Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 170 A B c D E REV ipti ECN ECO Init U601 U602 U603 U608 0609 Versen 2 We Date ed 539121 JAC 3 15 99 LPP o A Release to Production Ne lt lt B See E
181. SOLATION UNLESS OTHERWISE SPECIFIED DRAWING N REV TOLERANCES DIMENSIONS MM ANEN 620020 B 005 INCHES ANGLES 2 SCALE SHEET 1 Figure D 28 200 210 220 transformer isolation Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 174 4 3 2 REV DESCRIPTION ECN ECO INIT DATE CKD A RELEASE TO PROD ENG 5 39391 JRS 4 16 99 TW B 1 5 39935 ASK 7 8 99 SS X 120 00 3 00 S 120 00 3 00 PATIENT END B PATIENT END A HAHAHA 6 187 SR 2 i O RL GRN Eug 77 EER i O cem D O LL RED A 620027 2 OJ LABLO 620027 1 WHITE RA 1 RA WHITE RAWHT Y 3 LL RED 6 SHIELD 9 gt 1 WHT RA 5 RL GRN SES LA BLACK AN 4 C BRN 5 E BLACK LA 2 5 JUMPER 3 LL RED gt d 5 GRN RL 751 2 AM LA BLK NA PATIENT END i AER RED LL 3 6 NA 4BRN O 3 RED LL L CONNECTOR END CONNECTOR END PATIENT END VIEW B B CABLE WIRING DI
182. T SPO2 620148 GASKET 2 EXHAUST 620149 FITTING 1 16 X 1 8 27 NPT 620150 1 AC DC POWER SUPPLY 620156 PUMP 620157 STEPPER VALVE 620158 CHECK VALVE 620163 CABLE ASSY PUMP PNEUMATIC VLV 620165 CABLE CONN TO MAIN BD ECG 136 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Repair Parts Lists Appendix B Table B 9 Atlas 622NP repair parts Part Description 620167 CABLE MAIN BD TO DISPLAY BD 620168 2 CABLE ASSY POWER SUPPLY 620170 CABLE ASSY NELLCOR 620171 CABLE ASSY SPEAKER 620172 2 CABLE ASSY AC 620173 CABLE TEMP SENSOR TO MAIN BD 620175 CABLE ASSY FAN 620176 CABLE ASSY PRINTER 620177 CABLE ASSY PRINT HEAD 620178 CABLE ASSY 5 02 620181 3 LABEL BOTTOM HIGH END 620182 LABEL RS232 620187 501 PNEUMATIC SUB ASSY 620189 4 20 X 5 16 SLT TORX PN PL ZIN 620192 1 PNEUMATIC CONNECTOR 620193 NUT HEX 5 16 32 X 095 PNEUM 620194 WASHER FLT 33 X 62 X 049 PNEUM 620197 BUSHING SPLIT NYLON 620198 FOOT 620200 501 CRT SUB ASY 620205 4 40 X 31 TX PN MC ST ZN 620207 NUT M3 5 HEX KEPS ST ZN 620214 1 TUBING SILICONE 1 16 50 620215 1 TUBING SILICONE 1 8 X1 00 620215 2 TUBING SILICONE 1 8 X 2 125 620215 3 TUBING SILICONE 1 8 X 7 50 620215 4 TUBING SILICONE 1 8 X 750 620216 FITTING Y 1 8 X 1 8 X 1 8 620217 FITTING 1 8 X 1 16X 1 8 620377 1 NELLCOR WORKS HE
183. TLAS KEYPAD SILENCE BELL 620379 501 MONITOR BOX W INSERTS 620384 4C MID LABEL W FREEZE CHINESE 620384 4E DISPLAY LABEL MID FREEZE ENG 620384 4F MID LABEL W FREEZE FRENCH 620384 4G MID LABEL W FREEZE GERMAN 620384 4I LOW LABEL W FREEZE ITALIAN 620384 4 LOW LABEL W FREEZE JAPANESE 620384 4P LOW LABEL W FREEZE PORT 620384 45 LOW LABEL W FREEZE SPANISH 620385 SUB LABEL DISPLAY Service Manual 6200 43E Rev D Appendix B Welch Allyn Atlas Monitor 125 Appendix B Repair Parts List Table B 5 Atlas 622N0 repair parts Part Description 620386 FASTON TAB 620388 2 LABEL NELLCOR SENSOR 620393 PWR SUPPLY INSULATOR LABEL 620394 1 WASHER SHOULDER PLATED 620395 501 REPLACEMENT BATTERY SUB ASSY 620403 FLAT TIE HOLDER 620530 D CONN LOCATOR NELLCOR MP506 620531 CABLE ASSY NELLCOR MP506 SEN 620532 NELLCOR MP506 SPO2 PCB 761077 1 WIRE TIE 126 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Repair Parts Lists Table B 6 Atlas 622NP repair parts Part Description 620004 502 ATLAS CPU PCB ASSY 620007 501 FRONT PANEL DISPLAY PCB ASSY 620013 502 PRINTER PCB 620016 503 MAIN PCB ASSY MID HIGH END 620038 NELLCOR LABEL CARTON 6200 43E SERVICE MANUAL ATLAS 620105 3 BATTERY DOOR 620117 PRINTER DOOR BUTTON 620119 LATCH SPO2 620125 501 MAIN CAS
184. TLAS SOFTWARE UPGRADE EPSO 2224 Atlas Upgrade Software Exam V Biomed Data Exam My Documents British Standards FDT Ca clipart fdt2_7 Atlas BB 02 2000 data fdt3 7 My Computer My Network ES gt Files of type t file TXT Cancel ext file 2 Figure 2 9 Choosing directory where NVRAM files stored 7 Once the folder is open open the file nvram cal init txt file by double left clicking on that file or by high lighting the file and then click on the Open button See example in Figure 2 10 Remember that after you have download the files in this section and you must complete this entire Downloading NVRAM files section that you must perform a complete calibration on the Atlas monitor Send Text File 2 x d nvram_chinese txt nyram_printer_1 txt History nvram_common txt nvram_printer_2 txt nvram_english txt nvram printer 3 t t nvram_erase txt nvram printer 4 txt Desktop nvram_french txt nyvram_reva_hyy txt nyram_german txt nyram_revb_hwy txt Ve nvram italian txt nvram spanish txt My Documents nvram japanese txt 200 txt nvram_no_printer txt nvram210 txt readme txt Figure 2 10 Choosing the nvram_cal_init txt file 30 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Service Section 2 NOTE After the nvram cal init txt has executed you should see a Pangea screen similar to window as shown in Figure 2 11 Atlas HyperT erminal
185. Transients Mods to U2 clock line N A 2 S D NURAN pulls 5 39934 LPP 7 9 99 LPP gt H 5 2 Add Nellcor SpO2 cabability F Modify RLD to reduce V lead noise 5 44460 LPP 3 26 02 JK Improve ESU rejection C535 C519 C521 C523 C525 C527 C529 C531 C533 Add 330uF bypass for Nellcor 506 board AJuF L 047uF 047 00474 047uF 047uF 047uF D _ ___ 047uF G 5 44857 LPP 7 18 02 JK 4 v E E E E E E E E E MM Input Buffers A D Inputs ESU filter Gain 9 26 Leads We lt V J501 TP501 TP503 Lead Select CON6 R501 R561 R508 gt TP504 TP505 Wer 19 6 732K 10K Right Arm C501 1 C537 1 U501 3 3 1 JN 1 1 Dier H U505 we e 4 IE m Wilson _ 4051 T b 13 3 mux 3 4 ON ec ze REM R309 EX di 5 N501 O C501 C537 i C506 507 22Meg U501A R517 d Network 14 xi 1 WE 6 330pF 220pF 100pF 1072 510 508 LA AS 2 C544 LAMP NEON TP509 0 196 220 R529 10K aVR 12 2 Diff Amp 1000pF R509 1 aVL 1 i U507A 1 Ha 4 I WH XZ aVF 5 TL072 Gain 1 5 x5 NZ R557 10501 2 R530 10K 2 x6 Shield 22Meg 1 dE d R544 R546 fVee 10K 0 1 10K 0 1 6 0508 3 R518 510 A H A Dier 121K R531 10K n VLdsOff 0 1 10 534 511 9 R502 R562 R510 lt TPS12 TP513 R532 10K C543 19 6K 73 2K 10K m N Z TP514 557 558 047uF Left Arm
186. U rejection rr C203 222 4 LM393 Add 330uF bypass for Nellcor 506 C201 6 8 6 6 R202 POM Out II G board 5 44857 LPP 7 18 02 JK 047uF ES C202 174 e a Azur 207 047uF TP208 TP209 NZ rato SK 5V A 2 464K EA U202 3 3 P 12V A 1 4 2 P 5V R203 R211 203 204 5 332K U202A 1 96K gt MC34072 R209 5 1K 7 4207 9 9 NO U203 5 5 6 P SV 210 o A 1 S 7 SY 10 P A 1 5mm u U36 6 a 8 U2088 BR TP240 U203B MC34072 223 LM393 U207C p Over Pressure NA P 12V 01 74HCTOO R204 2 A 211 150 SE Fault Circuit U208 7 P 5V TP212 2 i 047uF L202 U202 5 5 Bead gt 7 5 6 1 13 D 5 tJ NA C204 u R205 047uF 750 4 02028 6 P201 pwr MC34072 R239 N U207D 1K 74HCTOO V A 4 232 NZ NZ R242 Primary A A m 047uF R236 10K TP213 3 83K TP214 Hi 0202 A Transducer NS m R212 ue MMFT2NO2EL 56 2K TP215 Q202 G 1 OmmHG 0 5V 2 p Porok N R240 10K Ty Gain m 300mmHG 4 0V NIBP Safety gt Q201 B 1 Q201 R243 and C206 TP216 MMBT3904L 100K Q202 D Comp 6 P201 6 022uF P 12V c209 a 3 047uF R241 C227 10K 680pF P201 XFPM 050KPGR P1 S TP217 R219 N 1 0204 3 3 1 96K 1 0204 1 218 2 m J201 PV U204A 1 N N 2 Valve 3 EI Valve 1 Zero Adjust R213 MC34072 Wi alve 2 PH 237K 047uF 2 cus 20mmHg range D202 Pum
187. Upgraded the SpO PCB from 204 205 to 506 Model Serial 621xx 62104000 622xx 62208000 623 62304000 NOTE The new Nellcor 506 5 is backward compatibly new 506 5 sensor extension cable DEC 8 that can be identified by the purple connector is backward com patible with the older 204 205 5 PCB The older 204 205 5 sensor extension cable EC 8 that can be identified by the gray connector will not work it will not physically plug into the Atlas connector with the new Nellcor 506 5 PCB The software was changed to version 2 5 The older sensors that are indentified by the gray connector will not work with the newer sensor extension cables even though the sensor will physically plug into the newer sensor extension cable DEC 8 The newer patient sensors have a purple connector and will work on the older sensor extension cables 212 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Atlas Calibration and Function Test Form Atlas Model Number Atlas Serial Number Calibration date Last Calibration date Software Version Boot Revision SpOz Manufacture SpOz PCB SpOz Software Revision CO Revision Last CO2 Reset Date Last COz Calibration N A Not Applicable Calibration Results PASS FAIL Place a check mark by each of the following data items Date and time accuracy BP calibration 50mmHg and 250mmHd CO re
188. WASHER FLT 33 X 62 X 049 PNEUM 620197 BUSHING SPLIT NYLON 620198 FOOT 620200 501 CRT SUB ASY 620205 4 40 X 31 TX PN MC ST ZN 620207 NUT M3 5 KEPS ST 620214 1 TUBING SILICONE 1 16 50 620215 1 TUBING SILICONE 1 8 X1 00 620215 2 TUBING SILICONE 1 8 X 2 125 620215 3 TUBING SILICONE 1 8 X 7 50 620215 4 TUBING SILICONE 1 8 750 620216 FITTING Y 1 8 X 1 8 X 1 8 620217 FITTING T 1 8 X 1 16X 1 8 620377 1 NELLCOR WORKS HERE LABEL 620377 2 NELLCOR PATENT LABEL 620378 1 ATLAS KEYPAD BP START CANCEL 620378 2 ATLAS KEYPAD TREND LEAD PRINT 620378 3 ATLAS KEYPAD SPO2 CLOCK POWER Service Manual 6200 43E Rev D Appendix B Welch Allyn Atlas Monitor 143 Appendix B Repair Parts List Table B 11 Atlas 623NP repair parts Part Description 620378 4 ATLAS KEYPAD 4 ALARMS 620378 5 ATLAS KEYPAD SILENCE ALARM 620378 6 ATLAS KEYPAD SILENCE BELL 620379 501 MONITOR BOX W INSERTS 620384 5C HIGH LABEL CHINESE 620384 5E DISPLAY LABEL HIGH PRINTER ENG 620384 5F HIGH LABEL FRENCH 620384 5G HIGH LABEL GERMAN 620384 5I HIGH LABEL ITALIAN 620384 5 HIGH LABEL JAPANESE 620384 5P HIGH LABEL PORT 620384 55 HIGH LABEL SPANISH 620385 SUB LABEL DISPLAY 620386
189. acy Fails Accuracy 1 Replace Main board Faulty transducer or amp Specification Deflation Profile 1 Replace dump valve 2 Replace Main board Valve drive circuitry fault Overpressure Limit Can t pump 1 Verify unit can pump beyond 300 mmHg then beyond xxx xx Retest 2 fpump will not reach 300 mmHg then A Check for correct direction on check valve B Check for possible leaks C Check for pinched tubing D Replace pump Overpressure Limit Fails Accuracy 1 Replace Main board Fault with pressure Specification transducer amplifier or comparator 2 Replace CPU board Dwell time 1 Replace Main board Fault with 15 mmHg detect circuit 2 Replace CPU board Fault with timer Dwell Pressure 1 Replace Main board If fault with 15 mmHg detect circuit 2 Replace CPU board 60 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Troubleshooting Section 3 Table 3 8 Atlas failure trouble shooting Failures Possible Solutions SpO2 No Signal SpO2 fault message on CRT Plug in finger cuff connect to your finger amp check for function If function is normal retest If not continue to step 2 Check cables SpO2 board to Main board SpO2 board to Bezel Replace Main board Replace SpO2 board Replace CPU board SpO2 signal accuracy If Nellcor check ribbon cable and harness Replace as needed Replace SpO2 board ETCO2 Specif
190. ad noise 5 44461 LPP 3 26 02 JK R507 Improve ESU rejection 10K SpO2 bypass RS232 PS mods sei clamp 1 3 S 2 C535 C519 C521 C523 C525 C527 C529 C531 C533 G AKV nurse call relay A7uF 047uF 047 _ __ 047uF 047uF 047uF 047uF 047uF 2047 Improve CMR for Resp Toplogy 5 44857 LPP 7 18 02 JK D507 4 m 54V v E E E E E E E E E MM Input Buffers A D Inputs Right Arm ESU filter Gain 9 26 Leads Off lt Left Arm fVcc lt ve Lead Select J501 501 503 CONG R501 R561 R508 TP504 u 505 19 6K 73 2K 10K Right Ai C501 1 C537 1 U501 3 3 1 ight Arm l A Hed 506 1 U505 2 e e e e e E 2 Wilson 4051 SN R509 2 4 xo e E EI 5 N501 0 C501 pem C537 C506 507 22Meg U501A R517 4 Network i RA 14 yi 1 diff 0 330pF 220pF 100pF TLO72 10K C510 TP508 LA 151 e 2 C544 LAMP NEON TP509 0 196 220pF R529 10K aVR 12 gt Diff Amp 1000pF 509 1 Nes aVL 1 EN U507A NP XY aVF 5 TL072 Gain 1 H s E E E xs N A R557 U501 2 R530 10K 2 Ka Shield 22Meg SE R544 R546 fVee 10K 0 196 10K 0 196 6 0508 3 R518 TP510 INH gt Dier 1 21K R531 10K 11 VLdsOff 0 1 1 4 wo 534 511 R502 R562 R510 512 TP513 R532 10K C543 19 6K 73 2K 10K D TP514 Dier 557 TP558 047uF C502 1 t Left Arm 538 1 d 4 U501 5 5 vee 0509 4 1 7 2 515 3 6
191. and date Printer Print Adjustment 1 Install new paper 2 Turn Atlas on 3 Attach an ECG simulator to Atlas and set simulator for a heart rate of 60 bpm normal sinus rhythm 4 Press PRINT button Evaluate the darkness of waveform and text printout 5 If either need to be changed press DATE TIME button then press LEAD SELECT button to access Advanced Configuration menu 6 Press SELECT button and scroll down to Printer Test Pattern Then Press HR ALARMS OFF button 7 Two lines will be displayed 1 Waveform 128 2 Text 78 NOTE These two numbers are the factory defaults and are a good starting point if the sys tem is printing poorly or not at all 22 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Service Section 2 8 The left SET button controls the waveform darkness and the right SET button controls the text darkness NOTE Pressing the SET button up will increase the number and darken the waveform while pressing the SET button down will decrease the number and will lighten the wave form 9 Make changes to the printout as needed 10 Press Trend button to return to waveform screen Temperature Calibration Required Material 1 with Windows 95 or higher 4 1 4 mono phono jack 2 Atlas serial cable 5 Soldering iron and solder 3 1k Ohm 1 2 watt precision resistor 6 Ohm Meter 1 Solder the 1 K Ohm resistor to 1 4 mono phono jack 2 Measure the resistance at the tip of the phono jack
192. ary transducer and 5279 52 79 mmHg and sx is the secondary transducer and 5305 53 05 mmHg Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 41 Section 3 Troubleshooting BP Leak Test NOTE Unit must not leak more than 5 mmHgin a 15 second interval while attached to a 100cc test cavity pressurized at 50 mmHg 150 mmHg and 250 mmHg Required Materials 100cc test vessel 10cc Occ stopwatch squeeze bulb calibrated manometer 1 Connect Atlas to 100cc test vessel and calibrated manometer as shown in Section 2 Figure 2 1 2 Turn Atlas on 3 Press DATE TIME button then press LEAD SELECT button to access the Service Mode 4 Press SELECT button and choose Verify manometer 5 Pressurize the Atlas with squeeze bulb to 50mmHg and allow reading to stabilize 6 Observe pressure for 15 seconds 6 Unit should not leak more than 5mmHg during this time 7 Repeat this process at 150mmHg and 200mmHg Over 15 mmHg Test NOTE Atlas hardware must detect if the pneumatic system has been pressurized greater than 15 mmHg for more than 155 seconds but less than 180 seconds Required Materials 500cc test vessel 10cc Occ stopwatch squeeze bulb calibrated manometer 1 Connect Atlas to 500cc test vessel and calibrated manometer as shown in Section 2 Figure 2 1 2 Turn Atlas on Press DATE TIME button then press LEAD SELECT button to access the Service Mode Press SELECT button and choose Verify manometer 3 Pressu
193. ast Transients D Mods so Ua cock ine 5 39934 LPP 7 9 99 LPP NVRAM pullup Isolation Add Nellcor SpO2 cabability S F Modify RLD to reduce V lead noise 5 44460 LPP 3 26 02 JK Barrier Improve ESU rejection Add 330uF bypass for Nellcor 506 G board 5 44857 LPP 7 18 02 JK filt 12V a Isolated SpO2 4 Grounded 5 2 s 5V 1 Gage NU 04037 1 1 Circuits Circuits Qj ERR FOBK SHTDN PS 5 401 me EL cadi U403 SENE 047uF 5301 EN LP2951C V NEA fav T401 1 gt z T 1 t t C409 LLL 470pf C405 MBRS130T3 T401 Mu NA Ca 100uF R419 c409 1 047uF 215 1 TP402 lt s 5V IN 3 VA N Tp403 mE R405 U404 E C421 1 2 c 215 421 79105 wc 2 C Cou U402 ref 1uF C424 C433 IN TP406 047uF 047uF 4opf C s 14018 a 2 408 T U402 C420 3 16 N 4 D405 E Een 047uF 5 BAV99L TP409 N Z 10 s 2 ML e Mor ep SHTDWN 2 Q401 N DI 10 H a 22 MTD3055V IL 1 2 1 IIe oscout lt FE Pwr Sync 220uH 1 13 6 U402 rt E gt 88 rs U402 ct E m EB CT lt D403 IsoXfmr 5 R409 Q402 1 5 11K EE G1 C434 fv 7401 4 MMBT3906L U402 sen 4 1 TP412 TP413 4SENE Q v c 2 ls R406 d 5 SENSE 0 2 x C407 MBRS130T3 414 7 415 R408 TP416 C410 LM3524DM d TY i NK EVA CAM 100uF ST d 100 047uF R410 N N 2
194. ate Q501 G 560 R527 fVee C514 W RLDA 1K O 1uF Drawn Rick Myers Schematic 620002 dsn C514 2 3 05 99 4 546 Designed No Load esigne S 3 05 99 gt ac R528 TP552 de ECG Am D Allows RLD switch TP551 51 1K Checked L Phillips 3 16 99 to V Lead not used CES 5 Z Psenicnik 3 16 99 Document Number 620002 G Release For Production 1 Bell 3 17 99 aiad Date Monday August 05 2002 Sheet 5 of 6 A B D E Figure D 5 Atlas model 200 ECG amp Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 151 A B D E REV Description ECN ECO Init Date Ckd A Release to Production U601 U602 U603 539118 JAC 3 15 99
195. ation E 43 Hardware Fail Safe EE 43 ECG Respirati n Test esee e bebe bit 44 DO Tesni Y Y YS A YY Fo 45 Temperature TSS EE 45 CO Functional 45 Battery Functonal Y RYW FY FY FY 46 Printer Functional Test nu E Peru FC GN 47 Prim Gi O GN ah aR Ce ae RE 47 SoltWar 47 alis P M 48 Respiratiot Alarms Testa er tte er SAGA PR annu PN totu ca deal Atque 50 SPO MIT PET 51 oilenae Alarm Testi osse EV dt aaa oda Chie btt wena eR NUN alude 52 E RE 52 Blood Presenrne Alarm YM S E E Y 53 Trouble COLI M 56 Section 4 Disassembly and Repair ee 63 Battery Door EE 64 Battery e i 64 Rear E 65 Printer Cable and Display Cable Removal nn ZEN 66 Power Supply Ground Wire Removal 66 Wrap Removal i An y FAN Ud HYS 67 CPU Me EE 67 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor iii PGD Removal Sa cer a oa ie At 67 Main PCB Side Connector Remy aln nio oret Ste 68 Main PCB Hose and Wire Removal a n nate YF WY euh Y e 68 Pump Removal a b oca KEENE a RM eden 68 CO Exhaust Removal sassa xen pei reor RE ren Ye uh EA 69 Pryon PEB ROTI Val o esi Y RF ak daa cebat 69
196. ation to memory 3 hw reset performs a hardware reset 2 Connect the serial cable between the Atlas and the PC COM1 port 3 Open HyperTerminal program on PC Hyper Terminal Settings are 9600 Baud 8 bit word 1 stop bit no parity no flow control ANSI character set Find HyperTerminal Windows7 95 or higher Start gt Programs Accessories gt Communication gt HyperTerminal 28 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Service Section 2 4 Turn Atlas on You should see the Pangea prompt See example in Figure 2 7 Atlas HyperT erminal 218 zs Pangea gt Figure 2 7 Pangea prompt in HyperTerminal 5 Scroll over to Transfer and then scroll down and choose Send Text File See example in Figure 2 8 Atlas HyperT erminal Transfer Send Text File Figure 2 8 Choosing Send Text File in HyperTerminal 6 Another window will then appear and prompt you for the location of the files Double left click on that folder to open that directory You can also run these programs from the CD See example in Figure 2 9 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 29 Section 2 Service Send Text File 21x Look in 5 wiN2000 C Di tj gt fAdobePremierelnstallTempDir s DISCI p Atlas BOM Docu History Atlas Jonathan Down 7 Atlas Op Manual rev G DRIVI d Ui Access 2000 SBS Practice Atlas Photos epsor Desktop A
197. board inverter U5 before transmission to the printhead Power Supply 24 Switcher It is necessary to generate 24VDC for the print head and motor The input to the 24V switcher is either 12V from the AC DC converter or Battery voltage on the model 210 220 when AC is not present The circuit is configured as a boost PWM using current mode feedback The PWM controller is UC3843A The controller includes an internal 2 5V 1 reference and an external 5V 1 reference Nominal output voltage for the boost converter is Vout 2 5V 1 84 5K 10K 23 6V The converter will run at duty cycles over 50 which requires slope compensation for a current mode controller Slope compensation is added by summing in part of the oscillator signal with the current sense line 96 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A The PWM current limits on a cycle to cycle basis The supply will be in current limit when the Isense line reaches 1V Current limit is set to about 3 5 Amps from 12VDC or 5Amps from battery Two control signals exist for the 24V switcher n24Von and Rec Supply On The 24V switcher is disabled when n24Von is high This signal is controlled by the on board PIC pro cessor The switcher is held off at power up and allowed to start after 50mSec This is done to reduce inrush current at power up The signal Rec Supply On enables power to the print head and is controlled by the main CPU
198. ction C39 i UIE Add 330uF bypass for Nellcor 506 Z 047uF B 74HCT04 TP9 G board 5 44857 LPP 7 18 02 v D v D CON2 FE Data 13 A2 DO FE Data In Backup Serial we gt TP1 TP2 TP3 TP4 oo BackupBattery o Steeg 5V Battery Data Out S 89 5 Q4 6 14 m ak 15 LED On J2 R22 1 Power Sync 3 Ge e 2N7002 5 gt gt gt FE Pwr Sync 1 Sek ad 3 rn io 5 NIBP Page 2 ans 2 H 7 LithMeas L O sar op ed QE 4 NIBP A D SelC CON2 12 5 Audio Shutdown NA pihs Page2 RCLK QF NIBP A D SelB D SCH BT1 13 6 EROM wr NIBP A D SelA BR2 3A R23 7 ND us 3V Lithi OH NIBP Pump On SE NIBP ADC Clock 1 uxo QH NIBP Safety s He 2 NIBP 15mmHg U2 lt D NIBP Overpressure D CON2 Z 74HCT595 047uF D WK NIBP Valve Close SPO2 Rx 2 1 D NIBP PWM ADC CRT Board E lt spo20ut gt gt NIBP Offset DAC Tn Connector E 12V SN M b J6 Serial I O 1 Video VSync 5 connector Video HSync 3 5V C30 Video Data 2 d 10uF zk 43 3V i EN 1 Main PCA ES CONS 2 3 RS232 RX 12 13 Model 200 Serial 1 0 e P Connector xd tir E 5 11 14 manufacturing test Ek TIOUT 6 only 3 J4 10 7 i 3 7 11 NIBP Safety 3 E 24 08 1 1 8 2 433V 5 Ce NIBP PWM ADC TP17 U8 3 3 M RIAS 7 79 5 7s 1 08 4 SCT NE 7 0 Cr D 9 io 710 RS232
199. cument Number 620002 G Release For Production J Bell 3 17 99 lo Date Monday August 05 2002 Sheet 4 of 6 A B D E Figure D 4 Atlas Power isolation SpO interface Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 150 A B D E REV Description ECN ECO Init Date Ckd A Release to Production 5 39118 JAC 3 15 99 LPP U501 U502 U503 U504 U505 U506 U507 U508 fVcc e e e e e e e e B See ECN worksheet 5 39456 LPP 4 27 99 LPP __ C534 C518 C520 C522 C524 C526 C528 C530 C532 p 47uF Our 07uF 047uF 047uF 047uF 047 047uF Improvements for ESD 5 39822 LPP 6 23 99 LPP and Fast
200. d SpO2 Z Grounded SpO2 2 i Circuits Circuits D 1 2 s lt lt OUT IN 0401 w L MBRS130T3 _ 0404 IN e 10uF can 79105 z 7 T401 1 p 5 e ZZ am JN C409 Tur 047uF 470pf C45 R419 401 121 4 C402 LL CT 215 409 1 rd 047uF 1 p N 7 J x 4 450 5 5 R405 2 215 TP452 L401 R419 2 2 e C414 ee U402 ref TP451 ac 220uH C433 2 E 047uF 8 T401 8 TP466 fV e OY CY WS e e Edi ee lt 5 TP453 0402 C420 3 16 0405 2 Vier 047uF 2 1 BAV99L joa 8407 454 10 4 E o SHTDWN lt FE Pwr Sync gt t 4 2 Q401 10 4 1 2 ey 2 1 U402 e 11 a MTD3055V A a scour s 5 13 cg er L5 U402 rt 2 455 D403 14 7 U402 ct D cr IsoXfmr R409 fV N 7401 4 0402 1 511K yg 12 U402 sen 4 1 VL MMBT3906L V R406 5 z 9 m SENSE COMP Eten C407 MBRS130T3 02 M an R410 TP468 L402 C404 100uF R408 TP458 LM3524DM 2200pF 7 5K Y 220uH 047uF 100 ou Q401 s lt e i 5 5 e Fee ker C432 10uF WZ R422 5V 10K 459 U410 2 R403 4N25 0401 3 1K R411 1 U401 1 iso401 a 1 6 iso401 b 5 11K ed U401 2 2 N S R423 U401A 5 opto fb TPA60 R416 5 11K u LM358 V m TP461 R415 S 10K 4 100 5 U401 5 Ado us 02 0401 7 7 m Di R404 4 6 N N 196K U401B C418 C
201. e B 9 Atlas 622NP repair parts n 136 Table B 10 Atlas 623SP repair parts e pat 139 Table B 11 Atlas 623NP repair patts nn 142 Table D 1 Atlas drawings revision ue otn oyster o m Oc Vrai no re e d ad 146 Table F 1 Changed to a mew BP Valve seti sees eode A yd 211 Table F 2 Changed E Pac and Changed to class B power supply 211 Table F 3 Upgraded printer cable to a cable with foam tape 211 Table F 4 Upgraded Revision level of CPU from 501 to BO 211 Table F 5 Upgraded Revision level of Nellcor SpO to 506 212 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor ix x Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D General Information Section 1 About the Atlas Monitor The Atlas Monitor combines in one unit all the necessary measurements for patients under anesthesia for surgical recovery or bed side monitoring See Section 1 page 5 for a complete listing of product models and options According to the standards of care for Nurse Anesthetists and Anesthesiologists all patients receiving conscious sedation are to be continuously monitored throughout the procedure and recovery phase ECG SpO and NIBP CO monitoring is a requirement during gas anesthesia when
202. efore doing any calibration Set date and time if incorrect Set time and date as follows 1 Turn Atlas on 2 Press CLOCK button next to power on button to check date and time Use the far right SELECT button to scroll Highlight the date or time that needs changed 3 Press the SET button to adjust date and time 4 Press CLOCK button to exit Pangea Communication Protocol The Pangea Communication Protocol allows interaction of the Atlas with the computer through the serial interface port A prompt is emitted at the computer screen when the instrument powers up and is ready to accept commands The prompt is Pangea gt A prompt is emitted after the completion of each pangea command Pangea commands are case sensi tive They are in English only BP Calibration Required material 1 500cc vessel 4 Calibrated digital manometer 2 Squeeze bulb with one way valve 5 Tubing and T fittings 3 PC with HyperTerminal 6 Serial cable NOTE To start HyperTerminal you must have Windows7 95 or higher installed on your computer 1 From the Windows main screen follow the following sequence Start gt Programs Accessories gt Communication gt HyperTerminal 2 HyperTerminal setting are 9600 baud rate 8 bit word 1 stop bit no parity no flow control ANSI character set 14 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Service Section 2 3 When you open HyperTerminal you will see a screen similar to the example in F
203. embly Observe how the printer assembly fits into the lip of the rear housing 74 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Disassembly and Repair Section 4 27 Printer Cable Routing Observe how the printer cable lies over the printer PCB Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 75 Theory of Operation Appendix A Power Supply Circuits Model 621 Atlas Model 621 uses a 50W medical grade offline switcher which provides 12VDC from a universal AC input 85VAC to 264VAC 50 60Hz The model 621 can only be powered from external AC The following supplies are generated on the Atlas Main Board 12V DC CRT input to isolated power supply misc analog circuits 6V DC NIBP Pump and Valve input to 5V and 3V regulators 5 7V nom 5V DC Front panel LED s misc logic 3 3V DC CPU board Vbackup On Off circuits Note Additional electrically isolated supplies are generated for patient connected circuits Model 621 Lithium er DC DC Circuits S Y Block Diagram gt gt Vbackup Q301 AC DC Converter ACEN On Off Control Circuits Backup Regulator 5 5 7V Buck Converter 5VDC Regulator gt gt 5V gt gt AC Present 3 3VDC Regulator gt gt 3 3V Figure A 1 Model 621 DC DC circuit block diagram On Off Circuits Backup Regulator and Micro Controller A 3 3V regu
204. epair Parts List Table B 7 Atlas 62250 repair parts Part Description 620403 FLAT TIE HOLDER 761077 1 WIRE TIE 132 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Repair Parts Lists Table B 8 Atlas 622SP repair parts Part Description 620004 502 ATLAS CPU PCB ASSY 620007 501 FRONT PANEL DISPLAY PCB ASSY 620013 502 PRINTER PCB 620016 503 MAIN PCB ASSY MID HIGH END 6200 43E SERVICE MANUAL ATLAS 620105 3 BATTERY DOOR 620117 PRINTER DOOR BUTTON 620119 LATCH 5 2 620125 501 MAIN CASE HANDLE SET 620126 5 BEZEL SET MID PRINTED 620131 1 MAIN FOAM 620132 2 TOP FOAM 620133 BP FOAM 620134 501 GEAR ASSY 620138 501 PRINTER DOOR ASSY 620139 501 PRINTER FRAME ASSE 620140 501 MAIN PRINTER ASSY 620140 502 PRINTER ASSY W STATIC BAG 620141 METAL HOUSING TOP 620142 1 METAL HOUSING BOTTOM LG 620143 NUT TEMPERATURE 620144 BRACKET SPO2 620150 1 AC DC POWER SUPPLY 620156 PUMP 620157 STEPPER VALVE 620158 CHECK VALVE 620163 CABLE ASSY PUMP PNEUMATIC VLV 620165 CABLE CONN TO MAIN BD ECG 620167 CABLE MAIN BD TO DISPLAY BD 620168 2 CABLE ASSY POWER SUPPLY 620171 CABLE ASSY SPEAKER 620172 2 CABLE ASSY AC 620173 CABLE TEMP SENSOR TO MAIN BD Service Manual 6200 43E Rev D Appendix B Welch Allyn Atlas Monitor 133 Appendix B 134 Welch Allyn Atlas Monitor R
205. epair Parts List Table B 8 Atlas 622SP repair parts Part Description 620175 CABLE ASSY FAN 620176 CABLE ASSY PRINTER 620177 CABLE ASSY PRINT HEAD 620181 2 LABEL BOTTOM MID END 620182 LABEL RS232 620187 501 PNEUMATIC SUB ASSY 620189 4 20 X 5 16 SLT TORX PN PL ZIN 620192 1 PNEUMATIC CONNECTOR 620193 NUT HEX 5 16 32 X 095 PNEUM 620194 WASHER FLT 33 X 62 X 049 PNEUM 620197 BUSHING SPLIT NYLON 620198 FOOT 620200 501 CRT SUB ASY 620205 4 40 X 31 TX PN MC ST ZN 620207 NUT M3 5 HEX KEPS ST ZN 620214 1 TUBING SILICONE 1 16 50 620215 1 TUBING SILICONE 1 8 X1 00 620215 2 TUBING SILICONE 1 8 X 2 125 620215 3 TUBING SILICONE 1 8 X 7 50 620215 4 TUBING SILICONE 1 8 X 750 620216 FITTING Y 1 8 X 1 8 X 1 8 620217 FITTING T 1 8 X 1 16X 1 8 620373 501 NONIN SUB ASSEMBLY 620378 1 ATLAS KEYPAD BP START CANCEL 620378 2 ATLAS KEYPAD TREND LEAD PRINT 620378 3 ATLAS KEYPAD SPO2 CLOCK POWER 620378 4 ATLAS KEYPAD 4 ALARMS 620378 5 ATLAS KEYPAD SILENCE ALARM 620378 6 ATLAS KEYPAD SILENCE BELL 620379 501 MONITOR BOX W INSERTS 620384 3C MID LABEL W PRINTER CHINESE 620384 3E DISPLAY LABEL MID PRINTER ENG 620384 3F MID LABEL W PRINTER FRENCH 620384 3G MID LABEL W PRINTER GERMAN Service Manual 6200 43E Rev D Table B 8 Atlas 622SP repair parts
206. erPaperRoll Ir 1 Operation Manual 4 If an item is missing first check the carton then check with your receiving department If necessary contact Welch Allyn at the address and phone number shown on Section 1 5 Clean and disinfect by following the instructions printed in the Operator Manual NOTE Perform all functional tests as listed in Section 3 before and after servicing Operate the Atlas to verify the customer complaint before making any changes to the unit Call the customer if the complaint is unclear If the unit has caused or is suspected of having caused an injury of any type DO NOT DISASSEMBLE OR REPAIR THE UNIT IN ANY WAY Contact Welch Allyn Customer Service immediately Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 11 Section 2 Service Calibration and Maintenance Schedule The Atlas Monitor must be serviced by authorized Welch Allyn personnel or agents at 6 month intervals Maintenance requirements are specified for 6 month and 12 month service intervals The monthly CO Reset operation can be performed by the user Service Interval Maintenance Requirements Every 6 months CO Calibration Every 12 months BP calibration CO reset battery voltage calibration printer adjustment and temperature calibration Complete functional test 12 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Service Section 2 Table 2 2 Tools Required for Service Description 00 T
207. eries inductance in the Horizontal Deflection Path modifies the current Increasing Horizontal gain is then accomplished by writing a pattern to the CRT and adjust ing the width coil L3 Horizontal Centering Horizontal centering is accomplished by rotating magnets mounted on the CRT Yoke assembly 94 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A Grid Voltages The following voltages are developed to bias the grids on the CRT Grid 1 10V to 50V DC Brightness Adjust Grid 2 350VDC Grid 4 0V to 350VDC Focus Adjust Anode 7 5KV These voltages are derived from additional windings on the FBT In addition the supply voltage for the video amplifier 36VDC is generated from a tap on the FBT Ti CRT FBT Grid Voltages im i Horizontal Amplifier N 9 12V 8 D3 D2 lt gt 1 4935 Gridt Intensity ys aii 1 2 B 10 2 Vd 1 2 47uH de MUR120 os lt Hor 7 5 F 22uF R29 100K 1000uF D4 R28 7 NV 1N4935 Brightness 19 6K 3 Vgl S 4 1 o 04 Adjust i_ L R30 Horizontal syne 22uF 100K Grid 2 05 1N4937 up 1 d5 ke gt es 31 7uSec Focus nt Tusee c Bas Adjust 25 S e Wwe C17 12V 6 8uF Du R26 hlin hwide R24 R2
208. es not have a printer then you will download the file nvram no printer txt 15 Open the directory where the printer txt files are located or open from CD 16 Double left click on the printer file or the no printer file or highlight the printer file or the no printer file and then choose Open NOTE After you have downloaded the printer or no printer file you should see a Pangea screen similar to the window as shown in Figure 2 15 Atlas HyperTerminal Min x File Edi View Call Transfer Help NURRM default printer settings for instruments WITH PRINTERS noecho Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea End of file Connected 0 00 18 Auto detect 9600 8 N 1 SCROLL CAPS NUM Figure 2 15 Pangea screen after downloading the nvram_printer txt file NOTE The next three commands will require that you actually type the command at the Pangea prompt NOTE on line 17 is the Atlas 5 digit serial number The serial number is located on the bottom of the Atlas Make sure that you have a space between the command serial and the five numbers you are entering 17 At the Pangea prompt type the following command nvram set serial XXXXX lt ENTER gt NOTE After you have typed the nvram set serial XXXXX command and hit ENT
209. est Volume 00 Test Volume 16 deep socket for Temperature Port nut Generic 1 4 drive queeze Bulb and Valve io Tek NIBP TESTER neumatic Tubing neumatic Tubing coiled Fitting Optional Fitting 3 onin Patient Simulator onin Cable ellcor Patient Simulator For atlas with MP 04 205 SpO2 PCB ONLY SRC 2 Nellcor ellcor Patient Simulator MP 506 PCB ONLY SRC MAX ellcor Sensor Cable Purple Connectors will work n all Atlas units with 204 205 506 SpO2 PCB DEC 8 Nellcor Nellcor Sensor Cable Gray Connectors For Atlas units with MP 204 205 SpO2 PCB only EC 8 Nellcor Welch Allyn Digital Multimeter with 10mV accuracy on a 10V scale 10A Range Adjustable ____ PC with Windows 95 and above and with Part of Windows 95 amp HyperTerminal serial port software above 1 4 MonoPhonoJak 1000 Ohm precision resistor1 __ y O 1200 Ohm precision resistor1 1350 Ohm precision resistor1 y 1540 Ohm precision resistor1 j 1870 Ohm precision resistor1 7 alae gt to o e d 4 N e o o B o x gt 92 Ai 4E S E E c S mz SZ 2 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 13 Section 2 Service Setting Date and Time NOTE Check date and time b
210. ex cable 5 flex cable 5 m LED Data Ou FS Switch 13 12 5 6 LED_SPO2_enabl 1 2 2 CS O Cym Front Panel C O SW28 74HC04 74HC04 1705124 LED SpO2 vcc VCC vcc vcc em spo2 Data i Ae LED _spo2_clock isi C1 a 68 E10 CH Q8 Place one tantalum cap near Lach Se Se each seven segment LED group Front Panel D vcc vcc vcc vcc vcc vcc vcc vcc vcc T T T ca C5 C6 C12 C13 c15 0 1uF 0 1uF O 1uF O 1uF O 1uF O 1uF O 1uF 1 Place one 9 8 7 6 ceramic cap near each IC vcc vcc vcc vcc vcc vcc vcc vcc vcc S Se 10 gt a Welch Allyn Inc T Initial Date ek Drawn Jim Belesiu 3 15 99 Schematic c16 17 C18 cx 2619 C20 c21 C22 C23 C24 C25 C26 0 1uF 0 1uF 0 1uF O 1uF Designed Jim Belesi 3 15 99 im belesiu d Pull up Resistor Network Detail Title Restate Nee Front Panel Display Board Ces L Phillips 3 24 99 A d si Rev 7 Psenicnik 3 24 99 ize Document Number 620008 Release For Production Tbal 3 24 99 Date Friday July 23 1999 Sheet 1 of 5 A B D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 159 Figure D 13 Front panel
211. f fitted 2 Turn on power and verify the following 1 Loud beep when Power On button pressed Three dashes in SYSTOLIC Three dashes in DIASTOLIC Two dashes in SpO takes several seconds after BP dashes come on Three dashes in PULSE takes several seconds after BP dashes come on Single bar at the bottom of Plethysmograph No lights in TEMP 9 CONDO Ci d Green light in power button No lights in ALARMS OFF buttons 10 X AUTO 11 CRT display may comes on slowly if cold or quickly if still warm from last use 12 May see version string in center if comes on quickly It is not a problem if not seen because it comes on slowly 3 On the CRT you should see 1 Heart symbol Lead select symbol Scale bar One or two lines of dashes for waveforms depends upon settings Three dashes for MAP or blank depending upon settings Error message s at bottom of screen dO oP WNW Three dashes for Heart Rate On models 622 or 623 disconnect AC cable You should see no change except the AC LED indicator will not be lit If you see warnings of a low very low or depleted battery or if the system turns off by it s self plug the Atlas back into the AC outlet and let the unit charge with unit turned off Repeat test in 2 hours 5 Plug the monitor back into AC Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 37 Section 3 Troubleshooting Menu Functional
212. file oe 31 Figure 2 12 Pangea screen after opening the common txt file 31 Figure 2 13 Pangea prompt after opening the model Die 32 Figure 2 14 Pangea screen after loading a language file eee 33 Figure 2 15 Pangea screen after downloading the printer txt file 34 Figure 2 16 Pangea screen set serial command esee 35 Figure 1 Model 621 DC DC circuit block diagram a 77 Figure 2 On Off Control Circuits ise red Nea e xU A UE 78 Figure A 3 Model 621 Buck convetrter darse dI Yd 79 Figure A 4 Model 621 linear regulation ee ertet mr treten en eva duit iu 80 Figure A 5 ee 81 Figure 6 Boost converter and off on switch eene 82 Figure A 7 BOOSUGOBVEEUOE oie A on Rh dear OR GN POE RO YY FF GO 83 Figure A 8 Battery charging E 85 Figure e 86 Figure 10 NIBP PWM A D convetter reagent eben pe e Pe E Re Eras aca 86 Figure PWN TO OF Y EFROG RO 87 Figure A12 Primary transducer amplifier re 89 Figure A 13 Safety transducer amplifler reve pi GR FR OA YA FF d aas 90 vi Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Figure A 14 Over pressure the Een 91 Figure ern Pump ve
213. g is per formed at this stage to reduce high frequency noise outside the respiration signal band width A baseline reset circuit transistor switch Q701 is used to quickly restore the high pass pole if excessive DC voltage is present for example following a Leads Off condition B W 06Hz to 16 Hz 1000 B W 10Hz C712 R720 3 3uF 100K R718 R719 C713 825K 51 1K 0 1uF 0701 4 2 R722 Q701 3 316 MMBF4393L 1 C714 047uF z 0706 MMBD1503A 1 2 lt lt Resp Reset SEH R723 1Meg Figure A 38 Gain and filter circuit SpO2 Circuits The SpO2 transducer senses oxygen content of Functional arteriolar hemoglobin through the use of light red and infrared passed through the sensor The reflective characteristics of hemoglobin at the wavelengths used allow the pulse oximetry circuits to obtain changing saturation levels This data is then processed to obtain the oxygen saturation percentage and pulse rate 110 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A Nellcor or Nonin Medical provides the SpO2 board Nonin only for the model 621 The SpO2 board includes amplifiers and processing and transmits serial data to the CPU board Waveform data 5 02 and pulse rate The Atlas monitor provides electrical isolation power and data to the SpO2 board Note that you must use Nonin probes with the Nonin SpO2 board
214. gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt t you haven t already you must also download the appropriate Pangea nvramttt tet file 21 or nyram220 tst angea Pangea Pangea Pangea gt Pangea gt Pangea gt Pangea gt Connected 0 01 26 Auto detect 9600 8 N 1 SCROLL CAPS NUM Capture Figure 2 12 Pangea screen after opening the nvram_common txt file Download the nuram cal init tst file if this instrument s NURRM has not been previously initialized End of file iuis Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 31 Section 2 Service NOTE Next you will download the model of the Atlas by choosing only one of the three following files 1 If you have an Atlas model 621 then you will only download the file nvram200 txt 2 If you have an Atlas model 622 then you will only download the file nvram210 txt 3 If you have an Atlas model 623 then you will only download the file nvram220 txt 11 Open the directory where the model number files are located or open from CD 12 Open the file by double left clicking on the file that represents the model number of the Atlas you are working on or highlight that file then choosing Open NOTE After opening the Atlas model file you should see a Pangea screen similar to the window as shown in Figure 2 13 Atlas HyperTerminal _ File Ed
215. gure 1 2 622xP Main Menu Architecture 622xP Date Time _ Waveform Screen screen Advanced Configuration Screen Language Silence duration ECG gain ECG lead set ECG speed ECG bandwidth Initial pressure MAP Second trace selection Temperature units Respiration speed Print on Alarm Only with software Rev BB 2 2000 and higher Trend Screen Set date amp time Advanced Configuration Date Time Screen Service Mode Screen Save Settings Verify manometer Reset to factory defaults Battery test CRT test pattern Service Mode Screen Printer test pattern Models 622SP and LED test 622NP only Button test Display A D channels NOTE The Print on alarm function in Advanced Configuration Screen is only available with software version BB 2 2000 and higher NOTE On models 62250 and 622NO delete the Print test pattern function in the Service Mode Screen Model 622S0 and 622N0 do not come with printers NOTE The Display A D channels function in the Service Mode Screen only allows you to view system information by pressing the SET button It does not allow you to change system settings Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 7 Section 1 General Information 621xP Main Menu Architecture Figure 1 3 621xP Main Menu Architecture 621xP Date Time Waveform Screen Screen Advanced Configuration Screen Language Silence duration Trend Sc
216. h Allyn Atlas Monitor Service Manual 6200 43E Rev D Repair Parts Lists Appendix B Table B 2 Atlas 621NP repair parts Part Description 620172 2 CABLE ASSY AC 620176 CABLE ASSY PRINTER 620177 CABLE ASSY PRINT HEAD 620178 CABLE ASSY SP02 620181 1 LABEL BOTTOM LOW END 620187 501 PNEUMATIC SUB ASSY 620189 4 20 X 5 16 SLT TORX PN PL ZIN 620192 1 PNEUMATIC CONNECTOR 620193 NUT HEX 5 16 32 X 095 PNEUM 620194 WASHER FLT 33 X 62 X 049 PNEUM 620197 BUSHING SPLIT NYLON 620198 FOOT 620200 501 CRT SUB ASY 620205 4 40 X 31 TX PN MC ST ZN 620207 NUT M3 5 HEX KEPS ST ZN 620214 1 TUBING SILICONE 1 16 50 620215 1 TUBING SILICONE 1 8 X1 00 620215 2 TUBING SILICONE 1 8 X 2 125 620215 3 TUBING SILICONE 1 8 X 7 50 620215 4 TUBING SILICONE 1 8 X 750 620216 FITTING Y 1 8 X 1 8 X 1 8 620217 FITTING T 1 8 X 1 16X 1 8 620377 1 NELLCOR WORKS HERE LABEL 620377 2 NELLCOR PATENT LABEL 620378 1 ATLAS KEYPAD BP START CANCEL 620378 2 ATLAS KEYPAD TREND LEAD PRINT 620378 3 ATLAS KEYPAD SPO2 CLOCK POWER 620378 4 ATLAS KEYPAD 4 ALARMS 620378 5 ATLAS KEYPAD SILENCE ALARM 620378 6 ATLAS KEYPAD SILENCE BELL 620379 501 MONITOR BOX W INSERTS 620384 1C LOW LABEL W PRINTER CHINESE 620384 1E DISPLAY LABEL LOW PRINTER ENG 620384 1F LOW LABEL W PRINTER FRENCH Service Manual 62
217. i A R207 464K 3 3V L201 C205 Tea PANI 12V a n P gt gt PrimaryPres gt ANF 196K R206 N 6229 1K bj T 10uF 7 U201 R201 2033 _ 3 78105 1 SZ TN our H 2 ER e oo C203 E LM393 5 5 2 e 202 TES Som C202 174 047uF T lt 47uF 047uF A Sch ad of mA 210 d E Z hi 464K U202 3 3 1 gt gt P 4 25V T 4 R203 PHI R211 3 32K U202A 1 96K MC34072 R209 1K s 4 203 5 5 7 1 92036 6 gt gt NIBP 15mmHg 12038 TE 8S Over Pressure stp Fault Circuit 5 6 Z gt gt P 75V C204 R205 047uF 750 U2028 MC34072 Ka Figure A 14 Over pressure fault circuit Pump and Relay Drive Two independent dual transistor switches Q202 and Q203 control the pump and valve Q202 is controlled by logic circuits on the CPU board and is normally in the on state Q202 is only opened in a fault condition over pressure A D calibration error or transducer mis match Once a fault is detected Q202 will remain open until power is cycled Under nor mal operation dual transistor Q203 is used to switch the pump on and close the valve The pump on and valve close commands are controlled by software Note that the valve is nor mally open Then in the case of no power the valve will be in the open state 5V Vpump t I 12V Wie e 202 ke p44
218. i View Call Transfer Help Del 515 ele gt t d H Model 228 Default NURRM Configuration File noecho Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea2 Pangea gt Pangea gt Pangea gt gt t If you haven t already you must also download nvram_common tut Download the nvuram cal init tut file if this instrument s 3 NURRM has not been previously initialized End of file Pangea gt Connected 6 41 10 Auto detect 9600 8 N 1 SCROLL CAPS NUM Capture Y Figure 2 13 Pangea prompt after opening the model file 32 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Service Section 2 NOTE Nett you will download the language s that you want the Atlas to store in it s Advanced Configuration menu for languages You can have one or all the languages loaded in the Atlas Listed in Table 2 4 are the language s choices and the files you will need to download to have the language s loaded the Atlas Each language you want loaded the Atlas will require that the file associated with that language be loaded Table 2 4 Files needed to download language s Language File needed to download English nvram english txt French nvram_french txt Spanish nvram_spanish txt German nvram_german txt Portuguese nvram_po
219. ication limits fail Flow rate or Percentage ETCO2 failure Perform calibration If that does not fix then go to step 2 Replace Pryon board Check for broken switch in trap receptacle Verify board ID in service module Perform functional test of ETCO2 Verify pump comes on when switch in water trap receptacle is activated If switch is intermittent replace the receptacle Replace Pryon board Replace CPU board Temperature Check connection main board to temperature jack Check pins in Temperature harness for correct seating Replace Main board Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 61 Section 3 Troubleshooting 62 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Disassembly and Repair Section 4 About Section 4 This section is a guide for disassembly and reassembly of the Atlas Monitor Always refer to current revision schematics diagrams and final safety test procedures before attempting to service this device Do not attempt to service this instrument unless you have received Service Training from Welch Allyn or an authorized Training Agent and are equipped with approved processes and test equipment For more information about training call the Welch Allyn Customer Service phone number listed in Section 1 of this manual General The outside housing is removable in order to provide full access to all internal printed cir cuit boards and other component
220. igure 2 1 You will be prompted for a connection description Choose any name After you type in a name click OK Connection Description Atlas HyperT erminal Figure 2 1 Example of a new HyperTerminal connection 4 The next window you will see will be the window as shown in Figure 2 2 Click on Connect using then click on COM1 Connect To Figure 2 2 Choosing COM1 in HyperTerminal Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 15 Section 2 Service 5 Set the port settings as shown in the example in Figure 2 3 Now click OK COM1 Properties 2 Port Settings Bits per second Data bits 8 Ff Parity None Stop bits 1 Flow control zl Restore Defaults Figure 2 3 HyperTerminal Port Settings 6 Connect the pressure meter bulb and 500cc vessel to BP port with T connectors as shown in photograph Figure 2 4 7 Connect the Atlas to PC with serial cable 8 Turn the Atlas on Start HyperTerminal on PC Press the lt Enter gt key and you should see a Pangea gt prompt NOTE Take no more than 3 minutes for the 5 0mmHg calibration nor more than 3 minutes for the 250mmHg calibration as the Atlas will automatically as a safety feature open the blood pressure valve If this happens you will have to turn the Atlas off then back on again and restart the calibration again 16 Welch Allyn Atlas Monitor Service Manual 6200 43
221. in board Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 147 D E 1201 201 REV Description ECN ECO Init Date Ckd 220uH R207 A Release to Production JAC 3 15 99 LPP FIN Y Y 4 gt P 12V TP202 eee em 5 39118 15 C229 B See ECN worksheet 5 39456 LPP 4 27199 LPP 10uF C205 P 12V SS pasy R208 Improvements forces 5 39822 LPP 6 23 99 LPP 047uF 1 96K and Fast Transients R206 NU co A Mods to U2 clock line 206 1K D eu pie 5 39934 LPP 7 9 99 LPP 0201 R201 U203 3 3 78L05 576 NLM 1 Add SpO2 cabability s Overpressure 8 1 U203 2 2 P F Modify RLD to reduce V lead noise 5 44460 LPP 3 26 02 JK N OUT ONS Nf 9 2 U203A Improve ES
222. ion signal The switching transistor for the buck converter is a P Channel MOSFET 0305 The output drive of the controller is the wrong polarity for driving a P Channel MOSFET in a step down mode Therefore transistor Q303 is added to invert the PWM out signal Fast turn on of 0305 is provided when Q303 is low fast turn off is though Q304 configured as an emitter follower The PWM controller includes an internal 2 5V reference Voltage regulation is controlled with sampling resistor R304 and R305 such that Vout 2 5V 1 R304 R305 5 68V At power down pin U301 1 comp pin is pulled low This will cause U301 10 to go low which turns Q305 off and disables power to 6V MTP23P06V L302 47uH 3 2 03056 PAA gt gt 6v mn gt LC Filtered C326 AC DC converter 047uF D303 MBRS340 C314 330uF HH C327 0305 0 047uF gt R313 10 0304 MMBT3904L 0304 3 2 6V Buck C313 5 68V nominal 047uF 10K R312 1 96K C311 1 Gau 2200pF 3 Q303 c 5 U30i comp 1 COMP 5 1 96K 8 14 8 8 1 VREF OUT I C309 R307 R311 047uF 7 5K Caio 2200pF 9S0 L0EN R309 gt gt 5Vref 10K gt gt ACON Figure A 3 Model 621 Buck converter Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 79 Appendix A Theory of Operation Linear Regulators 5VDC and 3 3VDC
223. istor RT301 a 10K negative temperature coefficient resistor Voltage over temperature follows the following charge pro file Table A 1 Temperature coefficient Temperature Voltage Thermistor oc 7 05V 26 9K 10G 7 0V 20 7K 25G 6 85V 10K 40C 6 7V 5 17K 50C 6 65V 3 45K For optimum battery life the float voltage 25C full charge should be set to 6 85V 50m V 6 85V 0 7 To accomplish this tight tolerance charge voltage at room temperature will be adjusted with potentiometer R328 Nominal charge voltage at room temperature is Vcharge 5V 1 RA RB where 5V is the reference in U303 RA is the series parallel combination of R335 R336 and RT301 nominal 3 465K 25C RB is the series combination of R337and R338 nominal 936 Ohms It is necessary to minimize current out of the battery when the unit is off To reduce off cur rent transistor Q309 disconnects the battery from the battery sense resistors when AC in off In addition diode D307 is added to prevent current from flowing from the battery into the battery current sense circuit and to the output of the AC DC converter 84 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A Battery 2 Bat luse gt gt To Linear Regulators Battery Charger oam L304 0307 Input to 5V and F302 MTP23P06V
224. itor Service Manual 6200 43E Rev D Troubleshooting Section 3 Static Manometer Accuracy Test Required materials 1 Serial interface cable 2 PC with HyperTerminal Windows 95 or above 3 500cc vessel with inflation system 4 Calibrated manometer 1 Turn computer on and activate Hyper terminal Hyper Terminal Settings are 9600 Baud 8 bit word 1 stop bit no parity no flow control ANSI character set Start gt Programs gt Accessories gt Communication 5 HyperTerminal 2 Turn Atlas on Refer to Figure 2 1 in Section 2 for inflation setup 3 Enter the following commands at the PANGEA gt prompt PANGEA gt bp safety off lt ENTER gt PANGEA gt bp valve close lt ENTER gt 4 Pressurize the Atlas monitor to the applied pressures in Table 3 1 5 To compare the applied pressure to the transducer readings use the following command PANGEA gt bp press lt ENTER gt Table 3 1 Transducer pressure table Applied Primary Safety Pressure Transducer Transducer 0 mmHg 0 75 mmHg 1 0 mmHg 50 mmHg 1 5 mmHg 1 5 mmHg 150 mmHg 1 5 mmHg 4 5 mmHg 250 mmHg 1 5 mmHg 7 5 mmHg 6 Verify that the primary transducer and secondary transducer are within the specifications listed in Table 3 1 NOTE TheAtlas monitor will return a response to the computer screen as follows If you tested at the 50mmHg pressure you would receive message similar to px 5279 sx 5305 x 0 01 Where px is the prim
225. l trip point These faults are considered more serious since software should have detected and corrected this condi tion The user is notified with a BP SYSTEM FAULT message NIBP is disabled A redundant safety transistor is opened to ensure the NIBP pump is off and the valve is open The primary and safety transducer outputs are continuously digitized The outputs of the transducers are checked vs each other and if they disagree an NIBP Fault Message is declared and the NIBP system is disabled The outputs of the transducers are linearly pro portional to the supply voltage supply current for the safety transducer The transducers use unique reference voltages to ensure that a fault in one reference will not cause an equiv alent gain error in both transducers The A D also has redundant checks Two reference voltages derived from the primary transducer reference supply are measured and the A D gain and zero is checked In addi tion a unique reference is digitized and compared vs expected results An error in any of these A D measurements will again cause an NIBP Fault Message and the NIBP system will be disabled Primary Transducer Amplifier The primary pressure transducer is a fully calibrated and compensated transducer with built in voltage amplification The output of the transducer is proportional to the supply voltage With a 5V supply the output of the transducer is OmmHg 0 5V 300mmHg
226. las Monitor Service Manual 6200 43E Rev D Figure D 25 210 220 ECG A D interface 171 A B REV Description ECN ECO Init Date Release to Production 5 39121 JAC 3 15 99 LPP B See ECN worksheet 5 39455 LPP 4 27 99 LPP U702 U703 Improvements for ESD RFI D and Fast Transients Correct 5 39821 LPP 6 24 99 LPP fVcc M Rims E Mods to U2 clock line Resp 715 C716 Ncc E gain amp ECG supply and 5 39936 LPP 7 9 99 LPP 047uF L 047uF f 5V NVRAM pullup Buffer for ETCO2 Nurse call relay F Modify RLD to reduce V Lead noise 5 44461 LPP 3 26 02 JK N WA Improve ESU rejection 3 SpO2 bypass cap RS232 PS T 1 u703 1 G Mad 544857 LPP 7 18 02 gt t 2 2 pee nurse call relay lmprove O CMRR for Resp Topology 4 12 9 S SE 4 U703A 717 718 amp 0712 047uF 047uF 11 b ais go Gt N N A fVee m U701B 74HC74 NK Isolation Respiration Barrier Drive Circuit f 5V gt Clamp gt C9 iso 5Vdig Zare iso 5Vdig D701 T5701 MMBD1503A NA C705
227. lator U304 provides power to the On Off circuits This voltage is diode OR d D304 with the lithium backup battery to provide power to the real time clock on the CPU board The On Off circuitry is controlled by the micro controller U305 This controller per forms the following functions Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 77 Appendix A Theory of Operation 1 Monitors the status of the front panel ON OFF key If the unit is off and the ON OFF key is pressed the controller will drive U10 6 high which will enable power to the remainder of the instrument 2 At power up the micro controller will drive the beeper for about 1 second 3 At power up the micro controller will reset Shift Register U2 This will cause the follow ing a The front panel LED s are blanked b The NIBP pump drive is placed in the off state 4 When the unit is ON the micro controller will communicate with the system CPU When the front panel ON OFF key is pressed the CPU will store away current operating condi tions then issues a command to the micro controller to shut instrument power off U10 6 is driven low which will remove power from the remainder of the instrument The instrument is powered on as follows U305 6 is driven high which turns transistor Q302 on output low Q301 P channel MOSFET ON when the gate is pulled low then 12V active Q306 is turned off allowing the 5 7V buck converter to power on As 5 7V becomes acti
228. lch Allyn Atlas Monitor Service Manual 6200 43E Rev D Troubleshooting Section 3 SpO Alarm Test 1 Turn Atlas on 2 Attach SpO to a simulator and set for 95 SpO 3 Verify that you hear a pulse rate beep and that it is a different pitched tone than the ECG pulse beep 4 Change 5 setting on the simulator Verify that tone changes pitch up or down tracking simulator setting 5 Press lower far right SELECT button until SpO LO is flashing press right SET button UP to change SpO LO setting to 99 6 Wait until the SpO LO LED stops flashing 7 Verify that you hear the SpO LO limit alarm 8 Press Alarm Volume button eight times Verify tones gets quieter but not silent 9 Press Alarm Volume button eight times Verify the tone gets louder 10 Disconnect SpO cable from simulator and verify that the visual alarm SpO cable not detected is displayed on the bottom left side of CRT Verify that you hear the audio alarm 11 Press SpO ALARMS Off button 12 Verify that the audio alarm sound is silent that you do not see the visual alarm message SpO cable not detected on the CRT and that the LED in the SpO ALARMS OFF button is on 13 Turn Atlas off 14 Disconnect SpO cable from Atlas Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 51 Section 3 Troubleshooting Silence Alarm Test 1 Turn Atlas on 2 Press DATE TIME button then press TREND button to access Advanced Config
229. lin FN Y YN hwide ENNYN gt 1 2W Carbon Comp R26 12 1K AN 15uH 15 35uH 12V r 338 R24 R27 Q6 22uF ROS 10K 10 IRF640 5 5uSec ase 1 lt Se Ge x x J3 X 44 R45 330 317uS gt ue e dee 1 1 S 859i 1 HERES 022uF 215 5 5 I tubevd 3 4 u44 C222 g5b 2 os i 5 J33 tube 12V S 4 2N3904 To CRT tubegnd Ti 4 4 J3 5 t tube g1 4 CRT FBT Anode 5 136 MS MR 7 tube g2 5 74HCTO4 6 6 6 lt R50 ifi tube g4 7 196k SC Ee Horizontal Amplifier Rage Flex6 Flex6 CRT Socket gt Grid Voltages en C 87 57 87 57 10000 C lt gt af al s a s S 464 aw 2 8 D3 D2 1N4935 Grid1 Vvid T 2 lt Ronn Hait 1 2 B 10 d 2 1 D 2 L_ 2 4 47uH 2 C uH AXA as 2 MUR120 L E O1uF 7 2 ___ 5 22 22uF R29 100K 1000uF 2 C 04 R28 KS lt gt 2 C WZ 1N4935 lt gt Brightness 196 5 C 3 Vgl 2 1 d4a Adjust 5 K Unused 1 Vg2 Video Amplifi Ideo p 22uF 100K U4C Grid2 N 5 6 D DS 1 4937 74HCTO4 ie IND d5 c N U4D C14 our Focus 2 9 9 5V R36 R37 O1uF R32 Y 196 1 96K Adjust 25Meg puo v V 74HCT04 17 EN m E 5V U4F M 047uF g8 b 2 08 2N3904 13 12 gt E NL R51 2 1 R41 19 6K 681 74HCTO4 iM D7 q8 e vidout Sa UAE R48 1N4148 5 100 11 10 4 6 7 2
230. llyn Atlas Monitor Service Manual 6200 43E Rev D Troubleshooting Section 3 Table 3 6 Atlas trouble shooting Failures Possible Solutions Safety Earth resistance over limit Check ground wire from motor to power supply can Tighten screws that attach ground tabs to power supply can Tighten screws holding power supply PCB to can Tighten quick connects on AC harness to power supply Replace power supply PCB Blood Pressure Leak test Fails Leak Specification Run individual test If unit passes repeat all tests Check seals tubing in BP assembly Check for lifted pins on the CPU connector JP8 Replace Check valve Leak test Can t pump beyond xxx xx Verify unit can pump beyond 300 mmHg then Retest If pump will not reach 300 mmHg then A Check for correct direction on check valve B Check for possible leaks C Check for pinched tubing D Replace pump Manometer Accuracy Can t pump beyond xxx xx Verify unit can pump beyond 300 mmHg then Retest If pump will not reach 300 mmHg then A Check for correct direction on check valve B Check for possible leaks C Check for pinched tubing D Replace pump Check for lifted pins on the CPU connector JP8 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 59 Section 3 Troubleshooting Table 3 7 Atlas trouble shooting Failures Possible Solutions Manometer Accur
231. ltage for the regulator The output of the 5V regulator is turned off when the unit is turned off When the 18V boost circuit is shut down power is removed to U302 then the U302 reference is driven to OV Setting the reference to OV will cause amp U305 to turn the series pass transistor 0312 off When operating from AC transistor 0310 is turned on which will turn transistor 0311 off Power to the 5V regulator is then provided through Diode D310 from the output of the bat tery charger circuit Note that this voltage tap is before the current sense resistor then load current on 5V does not affect the battery charger current limit circuit When AC is removed the AC On signal goes low and Q310 turns off The gate of Q311 is then pulled up to 11 4V 12V Vdiode Transistor Q311 then turns on and the 5V regulator is powered from the battery 3 3VDC is derived using a three terminal regulator The output of the 5V regulator is used to power the 3 3V regulator The 3 3V regulator does not have an independent shutdown but powers down as the 5V regulator shuts down Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 85 Appendix A Th f Operation D310 25 Vpump MBRS340T3 HS302 Heatsink Batt Charger input 5j Pi forQ312 From Batery MTP30N06VL Charger Circuit r gt j 60 8 5V 1 Battery 3 r C323 l C325 y ZF 100uF 0312 5 AS 100uF Q311
232. multiplexer is through a serial communication channel from the main CPU The following signals are digitized Ground Ground Reference for digitized signals used in calibrating the A D converter ECG Amplified ECG signal V Buffer Output of the V lead buffer used to determine leads off LL Buffer Output of the LL lead buffer used to determine leads off LA Buffer Output of the LA lead buffer used to determine leads off RA Buffer Output of the RA lead buffer used to determine leads off f1 24V Reference Voltage used in calibrating the A D converter RL Output Output of the RL amplifier Patient Temp Analog voltage representing patient Temperature model 622 623 only Respiration Amplified Respiration signal model 622 623 only Resp Leads Off DC impedance for respiration used to determine respiration Leads off model 622 623 only fVee 9 Mux A D C Mux A D B 19 g Mux A D A 5 A PURE INH U609 Resp LdsOff 4 X7 a B An Resp 2 X6 M 1 X5 X4 12 2 14 Patient Temp gt gt iE 8 x d fVcc fVee N re 7 9 118 11 6 Mux gt U603 4 4051 vRL X7 tr1 24V 21 x6 MuxA RA 1X5 LA 12 X4 LL 1 V 14 X2 Analog ECG 3 LU x In d t fVcc Figure A 27 A D multiplexer circuit Note U609 not used in model 621 102 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendi
233. nd the other is Nonin The next sequence indicates the model of the SpO board The next sequence that starts with a letter V is the version soft ware used with the current SpO board The date following the SpO software is the date the OEM loaded the software into the SpO board SpO OEM software can not be upgraded If the most current software is needed you will need to replace the SpO board Line D is the CO information if your Atlas has CO installed Only models 623 have CO installed If your Atlas does not have CO installed then line D will be absent If your Atlas has CO installed then line D will start with CO followed by a numeric number That numeric value is the software loaded into the CO board The next alphanumeric sequence starting with a V is the version of that software The next numeric sequence starting with a is the serial number of the CO board The next sequence a date is the date the CO was last calibrated The last sequence a date is the date the CO was reset CO OEM soft ware can not be upgraded If the current software is needed you will have to replace the CO board Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 25 Section 2 Service Table 2 3 Software Revision Table odel Operating System Boot loader 62150 AA 01 4000 9 8 99 01 0000 6 20 99 62150 02 0000 4 4 01 01 0000 6 20 99 7 62150 BB 02 2000 6 4 027 01 0000 6 2
234. o power the Op Amps used in the ECG Respiration Temperature and A D circuits 407 78105 81 ov 5 Isolated Supply Voltages Regulation and Filtering EEE m oom WF ZF 1000 Blum vour SEH FDBK ERR p2 2 SHTON al cas org 6 F R416 S TAP 2 Sens a gt U403 LP2951C 21 our H 4 ssv 6 C421 7 IN o Tr ur 047uF dd S 79L05 N TP452 1401 220uH gt gt Ve C434 cam TT tour 10 57 468 1402 220uH gt gt Nee L cass wb ca 10uF 57 Figure 25 Model 622 623 line regulation and filtering 100 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A A D Circuits M A D A pulse width modulator is used as an A D converter The PWM runs at a 1 2KHz rate syn chronized by the A D sync signal A D sync is low for 52 1uSec high for 781 25uSec Using the values shown the integrator will ramp down 10 01V and ramp up 25V The voltage at the integrator output U601 1 is limited to about 5V 5V 73 2 83 2 Vdiode Then the integrator starts at 5V and ramps linearly down to 5 V The analog input voltage
235. oard Unit powers up intermittently or Power button sticks or cannot duplicate power on problem But unit passes burn in Remove flashing on Bezel at power button Check for severely tipped power button LED on display board Unit powers up but no image on CRT Check for conformal coating in J4 header replace board if coating is found Replace CPU board Check for correct installation of connection from main board to deflection board If installed with pin 1 in the pin 2 socket deflection board will be damaged If installed with pin 1 out of socket deflection board will be OK Replace CPU assembly 56 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Troubleshooting Section 3 Table 3 4 Atlas trouble shooting Failures Possible Solutions Display Segment out LED out Buttons do not work All or most segments stay on at power up Replace Display board Replace CPU board Check cable from Display board to Main board Replace Power Supply CRT CRT image rotated or poor alignment Rotate yoke and or adjust magnets Only see a dot in the center of the screen Check cable from yoke to CRT board Only see a horizontal line in the center of the screen Check cable from yoke to CRT board Replace Deflection board No image CRT to Main board connection OK Check flex cable from Deflection board to tube Check high voltage anode c
236. onnection Replace Deflection board Replace tube Replace CPU board No image Glow at bottom of screen Check for conformal coating in J4 header replace board if coating is found Replace CPU board Dark vertical scan lines in image Replace CPU board Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 57 Section 3 Troubleshooting Table 3 5 Atlas trouble shooting Failures Possible Solutions Printer Motor does not run Check that the unit is configured for printer CRT image will freeze for 10 seconds if configured for no printer Check cable from printer PCB to motor Check cable from printer PCB to Main board Check motor gear alignment to first plastic gear Check for paper jam Replace printer PCB Replace CPU Motor runs or chatters paper does not advance Check for missing dowel pin in roller Check for missing bearings gears Replace printer PCB Replace CPU Light print or no print Check that paper is properly installed thermal side visible Check cable from printer PCB to print head Check printer strobe width in NVRAM could indicate error in printer thermistor circuit If low check printer PCB Main board and CPU board Check mechanical assembly for proper force of printhead on paper Prints gibberish Reseat CPU board Replace CPU board Replace Printer to Main board cable Replace printer PCB 58 Welch A
237. ons 3 MS mx TI WM TP319 2 AN 72 2 5 R316 2 aj 100 5 SN RUN d3042 C322 BackupBattery gt Z 047 NUA D gt gt MU S R301 _ 51 1K lel C306 C307 330uF 0474 D C328 1 Q302 B 1 Ez T30 Q302 R302 lt gt MMBT3904L C328 100K TP321 Q305 MTP23P06V 1302 HN 47uH 3 Q305 s NN gt 6V 4 6V Buck Sba 5 68V nominal C326 Gn 047uF 0303 _ ou oF 330uF E e 2 0305 0 MBR5340 047uF R304 zia gt 127K N my im ERN XS R313 10 TP302 U302 U301 fb 0304 1 2940 5 0 MMBT3904L 0304 i 03 IN OUT gt gt 45V 3 2 8305 ER EI 5 lt R306 047uF E C316 C317 lt 10K 0301 10uF 047 4 Z BAV99L FER lt 3 TP304 gt e O Gi CH5 4 wb U30 TP305 cp ou NS TP306 Ss 263141 al TP307 a 2200pF 3 lt gt Q303 c VB y y U301 gt 1 3 PI am 25 5 x 1 96K E 14 10 8 1 0303 VREF YY 0303 0306 MMBT3904L LF33CV VM 1 3 ZS 2N7002 re IN our gt gt 33 1 Go R307 9 R311 SEN gt x 7 9 5 lt bag 047uF TK lt 4 mme 10K eum 2 5 C319 C320 md T 100uF 047uF v a fa N 1 s gt 2200pF x MM R308 MA TP310 w U301 5 1 TP309 s lt R309 30K Welch Allyn Inc 245 Initial Date TP312
238. or 27 Section 2 Service Down Loading NVRAM Files Required Materials 1 Computer with Windows7 95 or higher 2 The latest Atlas repair software Call your local Welch Allyn representative 1 Once you have procured the latest Atlas Repair Software you will be able to run the programs straight from the CD or copy the files to your hard drive NOTE Through HyperTerminal you will need to load the following files 1 nvram_cal_init txt 2 nvram common txt 3 model of Atlas 3 1 You will load nvram200 txt if your Atlas is a model 621xx 3 2 You will load nvram210 txt if your Atlas is a model 622xx 3 3 You will load nvram220 txt if your Atlas is a model 623xx 4 language txt Any combination of or all of the following files 4 1 nvram english txt for the English language 4 2 nvram french txt for the French language 4 3 nvram german txt for the German language 4 4 nvram spanish txt for the Spanish language 4 5 nvram_potuguese txt for the Portuguese language 4 6 nvram italian txt for the Italian language 4 7 nvram chinese txt for the Chinese language 4 8 nvram japanese txt for the Japanese language 5 printer txt if fitted with a printer or no printer txt if not fitted with a printer NOTE After loading the preceding files you must then type the following commands at the Pangea prompt 1 nvram set serial xxxxx where xxxxx is the serial number of the Atlas monitor 2 nvram write writes the inform
239. ot cali brated The safety transducer does not include built in voltage amplification The safety transducer output is a differential voltage proportional to the supply current through the device The initial accuracy of the safety transducer is very loose in the order of 50 However the drift over time and temperature is very good Then it is necessary to calibrate the output of the safety transducer This is done my measuring a know pressure measuring the output of the safety transducer and storing calibration constants in NVRAM A two point calibra tion procedure is used Calibration is done at the factory and can be recalibrated in the field if necessary Current Source amp U205A is configured as a current source for the Pressure Transducer with the cur rent through the transducer set to 1 5mA Nominal gain for the transducer is 300mmHg 75mV Differential Amplifier and Offset Centering The output of the safety transducer is a differential voltage with a nominal gain of 0 25mV mmHg and a zero pressure offset voltage of 25mV The A D converter has an input volt age range of 0 5V to 5V It is necessary to both add both signal gain and offset centering to the transducer output before digitalization Op amp U206A B is configured as a differential amplifier with a voltage gain of 22 5 The output of the differential amplifier is offset by 1 2V U205B Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 89
240. owing messages on the CRT CO Reset Install CO scrubber Press Trend to abort 5 Install the watertrap to the Atlas Install the scrubber to the watertrap 6 You will see the following instructions on the screen Warming up will be flashing on CRT May take up to five minutes on CRT Press Trend to abort on CRT 7 After about 5 minutes you will see on the CRT CO Reset Reset complete Remove CO scrubber Press the trend button to exit 8 Remove the CO watertrap and scrubber 9 Press TREND button to return to idle screen Replace watertrap after every six hours of use Treat watertrap and used sample lines as bio hazard material 18 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Service Section 2 ET CO Calibration Required material 1 Tank of approximately 10 balance certified Blood Gas Mixture 2 Tubing and T connectors 3 Watertrap and scrubber 1 Make sure the watertrap and scrubber are not attached to the Atlas Turn the Atlas on 2 Place the instrument into the Service Mode by pressing the DATE TIME button Make sure date and time are correct Press the LEAD SELECT button 3 Press SELECT button and scroll down to Calibrate The message Install CO Scrubber will appear on the right side of screen 4 Attach the scrubber to the water trap 5 Insert the scrubber water trap assembly into water tra
241. p gt R244 R217 BAV99L Pump 383 219 220 5 62K A R214 R216 lt gt 92042 CONS 10K 19 6K S 221 222 R246 E C207 1 0204 5 5 C231 316 NIBP Offset DAC gt EN e pud NIBP A D SelC PWM D A Si R215 NIBP A D SelB 76 8KHz 100K O07 C208 P 92048 gt T gt uF T MC34072 R218 Se NIBP A D SelA m o Q203 x MMDF2NO2E U204 7 4 2 NIBP Valve Close NIBP Pump On P4 75V 2 S 4 lt m A SCH R248 R249 0 1K 1K j 6 U209 nn 4051 P 12V LithMeas gt 7 7 E T L xe P 12V S C216 5 afet Print Tem xs y 047uF TP224 gt P425V P 75V 12 8 TP225 Transducer PrimaryPres Eales R235 SH SafetyPres 14 3 48K 047uF TP226 5 2 13 Sr U209 Out U210 2 NIBP PWM R227 R228 ud A P202 Out 3 5 11K i y i TP227 A D Converter U205 3 3 1 U206 1 i S C230 e 1 P202 2 2 1 96K 047uF 2 2 R237 vs TP228 E U206A R223 C214 217 C210 R229 464K U205A MC34072 215K Z 047uF 047uF E 1 96K 047uF MC34072 P202 TP229 2 FPNS 07PGR A x lt QZ P45V C225 N Z C212 0206 2 047uF 680pF i TP231 1 R230 TP230 P 12V Ke R224 10K C221 1K d 0208 3 047uF P45V NA 232 2 P202 Out 5 R231 C219 C224 E 7 U210 7 4 B EMEN U206 7 73 2K 22 0474 Se 1000pF 3 _6 P202
242. p socket The message Enter span gas value using Set button 10 will appear 6 Press the SET button to change the value of span gas being used The factory default value is 10 Calibrate with a 8 to 12 certified CO concentration known to be 0 01 7 The message press BP Start Cancel will appear at the bottom right of CRT Press the BP Start Cancel button 8 If you receive a Calibration Failed message at this point check the date If date is 2022 or above it will fail CO calibration 9 Next you will see a message Warming up After the Atlas warms up you will see a message Attach CO gas Remove the scrubber from the CO water trap Do not remove water trap 10 Attach the certified source of CO gas to the side stream sampling tube as per Figure 2 5 below Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 19 Section 2 Service Adjust Regulator to Approximately 2 psi Figure 2 5 Example of CO calibration setup CAUTION IMPROPER USE STORAGE OR HANDLING OF COMPRESSED GAS VESSELS CAN CAUSE DEATH OR INJURY FOLLOW GAS MANU FACTURES SAFETY PROCEDURES 11 Adjust the CO regulator just enough to allow a small amount of gas to flow out of the vent approximately 2 psi 12 Press the BP START CANCEL button The message Sampling will appear on CRT CO calibration successful or CO calibration failed will appear on the CRT display 13 Press the TREND bu
243. patient is ventilated The Atlas combines a CRT to display ECG SpO and respiration waveforms It utilizes LEDs for the other numeric values to maximize visibility and viewing angle Although not designed to be a transport product the monitor has an integral handle and it is small and light enough at 13 lbs to be easily moved A battery was added to enable the monitor to be used if there is a power outage or to be unplugged momentarily when moved with the patient from the surgery room to the recovery room The battery was not designed to make the Atlas into a transport monitor The Atlas monitor should be plugged into AC as much as possible to give you the maximum battery backup time when there is a power outage It will maintain unit operation for up to an hour when power is interrupted d the battery is fully charged WARNING Discharging the battery frequently will shorten the battery life and will shorten the battery backup time IMPORTANT For a complete description on the function and use of the Atlas as well as user safety warnings cautions and warranty information read and understand the Atlas Operator s Manual See the Table 1 1 below for correct Operator s Manual part Table 1 1 Operator manual part numbers Language Part English 6200 42E French 6200 42F German 6200 42G Italian 6200 421 Spanish 6200 428 Portuguese 6200 42P Japanese 6200 42 Chinese 6200 42C
244. perature used to compensate printer strobe width Model 622 623 Vbatt Battery Voltage used to warn of low battery condition Model 621 Not Used Model 622 623 BattCurrent Battery charger current used in service mode verification Model 621 LithMeas Backup Battery voltage Lithium Battery Used to warn user of low backup battery condition NIBP Circuits Overview Safety Two pressure transducers are used a primary and safety transducer The primary is used to make all BP measurements Hardware circuits monitor the output of the primary transducer looking for overpressure faults In addition Software monitors the digitized outputs of the primary transducer and detects overpressure faults The following overpressure faults are detected in software monitored once per second 10mmHg pressure for 295 seconds 15mmHg pressure for 175 seconds gt 295mmHg pressure for 0 5 seconds Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 87 Appendix A Theory of Operation Software detected overpressure faults are considered application faults The user is warned of a fault with an audible alarm and a Check blood pressure cuff message on the CRT dis play NIBP is not disabled for this type of fault In the event of a fault the drive signals to the NIBP pump and valve are opened Two hardware faults are detected pressure over 330mmHg nominal trip point 314mmHg and pressure over 15mmHg for three minutes 13 3mmHg nomina
245. play manometer value in SYSTOLIC LED This value should track and be very close to pressure displayed by manometer in BP simulator if fitted Largest number shown in SYSTOLIC should be very close to the Initial pressure setting of 280 mmHg If pressure shown exceeds 300 mmHg then re calibrate the Atlas BP System should start to step down pressure showing step values in SYSTOLIC LED and then display correct SYSTOLIC and DIASTOLIC values System should show MAP value MAP value should match what is shown by simulator Set simulator to 120 70 60 beats per minute bpm NSR Press the AUTO button The X manual BP cycle indicator will go out and the 1 minute auto BP cycle indicator will flash for 10 seconds 20 seconds after the 1 minute auto BP cycle indicator stops flashing BP measurement starts Verify the BP reading If BP measurement incorrect recalibrate No less than 30 seconds after completing the measurement another measurement should start While it is pumping up press the BP START CANCEL button Measurement should stop immediately and pressure should be dumped as seen on the simulator manometer Press AUTO button and X manual BP cycle indicator should light not flashing Disconnect the tubing from the BP port on the Atlas Press BP START CANCEL button and note the time to the second when the Atlas aborts the BP cycle and gives you an alarm It should take no longer than 1 minute Turn Atlas off 40 Welch Allyn Atlas Mon
246. r will change the current through the vertical coil Vertical gain is then accomplished by writing a pattern to the CRT and adjusting R16 to set vertical deflection Horizontal Amplifier Current through the transformer increases linearly as Transistor Q6 is On I VdT L When the transistor opens the drain voltage kicks up and the current through the Transformer coil flows through C9 L2 L3 and the Horizontal Coil to Ground The transformer quickly loses flux reset time lt 5uSec Current continues to flow in load inductance from Ground through Q6 diode C9 L2 L3 and the Horizontal Coil to Ground This current flow charges capacitor C9 The current decreases linearly to 0 then changes directions This is due to the AC coupling capacitor C9 being charged to a negative voltage Current flow is then from Ground through the Horizontal Coil L2 L3 C9 and Q6 to Ground The drive to MOSFET Q6 is AC coupled This will prevent Q6 to be driven high in the event of a faulty driver on the CPU board In order to get adequate deflection current about 2 3Amps 18 5V across the transformer coil is necessary A boost winding is added to the transformer then when the voltage on the transistor drain flys up current flows into capacitor C11 C11 charges to a voltage deter mined by the turns ratio in the transformer Horizontal Gain Horizontal deflection is adjusted by changing the current through the Horizontal coil Changing the s
247. r2 3 NA 42K 3 A Strobe 5 6 USB Recvde gt sy 7 74HCT14 8 RH 45V 9 5 11K 16 inm Strobe 5 6 Latch Clock 12 7 USC Data 13 av 14 74HCT14 s D D WA 16 E Se S CON16 STE Soe 74HCT14 D A A P26 R33 D6 SN 13 12 5V 147K 2N 047uF vg d USE TP24 1 Ge 74HCT14 6 NU D 11 10 u3 clk x Z gt gt D z eu USE D1 S R24 74HCT14 27 1 96K 8554 3 2 U6 E 2 13 data lO Clkin Osc1 RB5 RBO Ne ma ULN2065 W TP66 NEM 3 12 U3 3 3 12 dk 03 9 6 6 6 7 Oo Cikout Osc2 RB4 RBI VAN Se m 28 X 5 TP67 Vpp 4 1 n24Von u6 14 14 38 3 16 Vpp MCLR RB3 R2 4B 4C U3 5 5 10 1 m e yy Resoc RCO am at Ste 8 u6 clmp C19 gt C20 U3 6 6 9 RCA RCI 0470F nr Connector Pin 7 8 RC3 RC2 1 3 4 6 5V R35 A N A 147 U3 8 PIC16C505 phase 1 an v 2 5 J3 1 4 7 TP28 3 3 6 J3 3 E U1B 13 4 5 4 MC34072 J3 6 y TP29 R36 N 147K CON6 D I U3 7 1 5 Welch Allyn Inc Initial Date Drawn Schematic 620014 dsn 9 8 Rick Myers Mar 5 1999 Designed Rick M Mar 5 1999 ick Myers jar 5 Title y 50 Printer Electronics 74HCT14 Checked A L Phillips 3 22 99 N A d si Rev D EN Z Psenicnik 3 19 99 ue Document Number 620014 B Release For Production 1 Bell 3 19 99 BEI Date Thursday May 11 2000 Sheet 1 of 1 A B c D E Welch Allyn Atlas Monitor Service Manual 6200
248. re baa 5V Amplifier a EE 047uF es RI gt RecVdc TP3 SE A R2 01 3 3 1K A A A 5 e 012 2 lt R4 D UIA R9 TP9 9 09K MC34072 10K 02 5 1 54 2 gt 24v gt 4 9 v v A TT TP6 alt MMBT3OOAL 24V Boost v 4 x R10 BEN WA R7 23 6 V nominal 84 5 12V R5 O1uF Ke 10 2 H 419 Printhead 1000uF 2 22uH SE 2 On Off Switch R8 237K R3 E C6 D2 10K R12 SA MBRS340T3 C5 10K 4 1 01uF EN TP14 a SEU N i 5 3 NT 2 SA s Ju bs a UC3843A Thermistor FN 5V 3 TPS NVA VB 8 q Input 3 3 21 1800uF R16 U2 comp 1 EI R13 Q4 19 6K comp 5V 10 i Z lt MTP30NO6VL MIP30P06V D3 U2 Ref 14 10 1 wow a E VREF OUT 4 gt CON24A R6 3 BAV99L Vpp i 5 Rec Supply On 10K 19 R15 ENT cds 4 Rec Motor Step 7 R14 9 147 E1 LX 0 Rec Data Latch T 2 7 gt ZEN t Se ae RICE E 2 1 x SEN 7 8 Place Bead on Rec Clock 9 m Rec Data 2N7002 f Nd Pin 2 of Q4 if 11 12 ol o i TP21 a N 15 16 47 A 3 5600pF R17 R18 D an C14 m A 5 0 1 no load 19 2 A 220005 4 m 3 2 6 i 2 V3 31 1 2 068 4 Printhead 047uF Fl y Jk VA Connector Q6 lt gt R19 i MMBT3904L 3 16K 424V switch a 5V 2 2 Thermistor1 3 NS R22 Thermisto
249. reen Set date amp time MAP Ad 7 Second trace selection 12096 Print on Alarm Only with software Rev Configuration BB 2 2000 and higher ECG gain EGG lead set ECG speed ECG bandwidth Initial pressure Date Time Screen Service Mode Screen Verify manometer Reset to factory defaults Save Settings CRT test pattern Service Mode Printer test pattern Models 621SP and 621NP only Button test A Display A D channels NOTE The Print on alarm function in Advanced configuration mode screen is only available with software version BB 2 2000 and higher NOTE On models 62150 621N0 delete the Print test pattern function in the Service Mode Screen Model 62250 and 622N0 do not come with printers NOTE TheDisplay A D channels function in the Service Mode Screen only allows you to view system information by pressing the SET button It does not allow you to change system settings 8 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Section 1 General Information Atlas System Block Diagram 4 Atlas System Block Diagram 1 igure F SAX lt Josts eurT LXSI vc ONMH 119 JV aru deus Azoneg Staat peog L pererosr lt d8IN Ss ug 10014 i I 9ueg 10011 11014 H I9MOd ONAS Md NOOV d rzeun 109 os diya Z ouru dS urejsAsgng E ogons peeH
250. res slope compensation for a current mode controller Slope compensation is achieved by summing in part of the oscillator signal pin 4 with the current sense line The PWM controller is current limited on a cycle to cycle basis by monitoring the voltage on the Isense line U302 5 Current limit is activated when the voltage at the sense line reaches 1V The nominal DC voltage at Isense is about 0 5V when operating from battery only and 0 7V when operating from AC Then current limit is set to 5Amps when Atlas in operating on battery and 3Amps when operating on AC C335 12V Boost DETUR 12 1V nominal 1302 1 BV 8 1 U302 pwr R308 0303 17 8K 54V C306 C310 U302 fb 7 1000uF R309 R310 0304 4 64K 10K MBRS340T3 L305 Bead 305 1 a 3054 y D304C amp amp EE U302 C305 UC3843A 5600pF 3 C311 C312 C313 vB 8 s 1000uF 10062 C336 AN 330uF o 047uF COMP amp 8 5VRef lt 14 VREF our 42 1 L302 22uH U302 comp 1 Q305 MTP30N06VL 0305 0 GND Di 6307 047uF R311 U30gct 7 ener isENsE 2 4 902 sense 10K o R315 _ 9 PWR Q305 s R312 3 83K 8 8 2200pF 2 3 2 04 aulis Q304 R313 6309 MMBT3904L 1 96K 5600pF R316 0 1 BAV99L R317 7 5K AC 12V fuse 5 1 b
251. respond to the button pushed then this may indicate memory corruption You may need to replace the main board 19 Press SELECT button to highlight Display A D channels Press SET button and write down all values for each of the four screens for later review Press TREND button to return to Idle screen Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 39 Section 3 Troubleshooting BP Test 1 10 Press DATE TIME button then press TREND button to access the Advanced Configuration menu Press SELECT button to highlight Initial pressure Press SET button to change Initial pressure to 280 mmHg Press SELECT button to highlight MAP Press SET button to change MAP to Yes Press TREND button to return to idle screen Connect the BP port to the BP simulator Set the simulator for a normal reading 140 80 100BPM NSR Press BP START CANCEL button Atlas should start to pump and display a manometer value in SYSTOLIC LED This value should track and be very close to pressure displayed by manometer on BP simulator if fitted Largest number shown in SYSTOLIC LED should be very close to the initial pressure setting recorded above from Advanced Configuration System should start stepping down pressure showing step values in SYSTOLIC LED display It then should display the correct SYSTOLIC and DIASTOLIC values System may show MAP value depending upon country language setting Press BP START CANCEL button System should start pump dis
252. rize the Atlas with squeeze bulb to any pressure above 15 mmHg and maintain that pressure during the test Start the stop watch 4 Verify that the valve opens and pressure drops between 155 seconds and 180 seconds 5 Turn Atlas off 42 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Troubleshooting Section 3 BP Dump Verification Test 1 Connect the Atlas to a 500 cc vessel as shown in Section 2 Figure 2 1 2 Turn Atlas on 3 Press DATE TIME button then press LEAD SELECT button to access the Service Mode 4 Select Verify manometer 5 Pressurize the Atlas to just over 260 mmHg 6 Allow reading to stabilize for 15 seconds 7 Ensure the reading is still over 260 mmHg 8 Start the stop watch when you press the SELECT button When the SELECT button is pressed the Atlas will start a pressure dump 9 Verify that the pressure drops to below 15 mmHg within 10 seconds Hardware Fail Safe Tests NOTE Atlas hardware must detect over pressure on unit pneumatic system between 296 0 mmHg and 330 0 mmHg 1 Connect the Atlas for testing as shown in Section 2 Figure 2 1 2 Turn Atlas on 3 Press CLOCK DATE button then press LEAD SELECT button to access Service Mode 4 Press SET button to highlight the Manometer 5 Pump system up and record at what pressure the Atlas dumps Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 43 Section 3 Troubleshooting ECG Respiration Test NOTE Simulator should suppor
253. rman I Italian S Spanish P Portuguese C Chinese J Japanese Second Suffix 1 US Canada Japan 2 European 4 United Kingdom 6 Australian Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 5 Section 1 General Information 623xP Main Menu Architecture Figure 1 1 623xP Main Menu Architecture 623xP Date Time Waveform Screen screen Trend Screen Set date amp time Advanced Configuration Advanced Configuration Screen Language Silence duration ECG gain ECG lead set ECG speed ECG bandwidth Initial pressure MAP Second trace selection Temperature units Respiration speed CO units Print on alarm only with software Rev BB 2 2000 or higher Date Time Screen Service Mode Screen Verify manometer Reset to factory defaults Save Settings Battery test Service Mode Calibrate Co Screen CRT test pattern Printer test pattern Models 621SP and LED test 621NP only Button test Display A D channels NOTE The Print on alarm function in Advanced configuration mode screen is only available with software version BB 2 2000 and higher NOTE The Display A D channels function in the Service Mode Screen only allows you to view system information by pressing the SET button It does not allow you to change system settings 6 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D General Information Section 1 622xP Main Menu Architecture Fi
254. rms a synchronous peak detector Then the voltage on C711 is the DC resistance seen across the RA to LA buffer This baseline resis tance is digitized and if the signal is too large gt 2 5K a Respiration Lead Fault message is displayed Note that this circuit measurement includes the two 1K resistors in the EKG cable set This 2K resistance is subtracted in software before determining a leads off condi tion Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 109 Appendix A Theory of Operation Clamp Clamp Y R724 196K D703 MMBD1503A Respiration Diff Amp 1 p b 2 R707 C706 1 5 047 1 96K 330pF D703 3 U702 3 3 1 U702 1 sl U702A Right Arm gt D705 MMBD354LT1 8715 8716 1 3 16K 3 16K Vee U702 2 2 i Nee R712 1K x R709 0712 R711 464K 15 8K gt gt D605 C B R717 Sek 674 0 1uF 0703 2 0704 MMBD1503A i b b 2 foo gt VE u7028 U703A E C707 330pF 0704 3 702 5 5 i i 7 U702 7 A j T Nee R708 1 96K Left Arm gt gt R713 1K R710 A 464K Nee U702 6 R714 15 8K Figure A 37 Respiration diff amp circuit Gain and Filtering The DC content baseline resistance of the respiration signal is not needed so the signal is next AC coupled and additional gain applied before digitization Low pass filterin
255. rtuguese txt Italian nvram_italian txt Chinese nvram_chinese txt Japanese nvram_japanese txt 13 Open the directory where the language files are located or open from CD 14 Double left click on language txt file or highlight the file and then choose Open NOTE After you download language txt file you should see a Pangea screen similar to Figure 2 14 Atlas HyperT erminal x Edi View Call Transfer Help Panaea gt Common NURRM Configuration Settings for Models 2880 210 and 228 Pangea gt t Pangea gt Pangea gt noecho Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt P gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt Pangea gt angea Pangea gt tt Pangea gt End of file Pangea m Connected 0 00 25 Auto detect 9600 8 N 1 SCROLL CAPS NUM Capture 2 Figure 2 14 Pangea screen after loading a language file Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 33 Section 2 Service NOTE Nett you tell the Atlas if it does or does not have a printer 1 If the Atlas has a printer you will download the file nvram_printer txt 2 If the Atlas do
256. s Table B 7 Atlas 62250 repair parts Part Description 620194 WASHER FLT 33 62 X 049 PNEUM 620197 BUSHING SPLIT NYLON 620198 FOOT 620200 501 CRT SUB ASY 620205 4 40 X 31 TX PN MC ST ZN 620214 1 TUBING SILICONE 1 16 50 620215 1 TUBING SILICONE 1 8 X1 00 620215 2 TUBING SILICONE 1 8 X 2 125 620215 3 TUBING SILICONE 1 8 X 7 50 620215 4 TUBING SILICONE 1 8 X 750 620216 FITTING Y 1 8 X 1 8 X 1 8 620217 FITTING T 1 8 X 1 16X 1 8 620373 501 NONIN SUB ASSEMBLY 620378 1 ATLAS KEYPAD BP START CANCEL 620378 2 ATLAS KEYPAD TREND LEAD PRINT 620378 3 ATLAS KEYPAD SPO2 CLOCK POWER 620378 4 ATLAS KEYPAD 4 ALARMS 620378 5 ATLAS KEYPAD SILENCE ALARM 620378 6 ATLAS KEYPAD SILENCE BELL 620379 501 MONITOR BOX W INSERTS 620384 4C MID LABEL W FREEZE CHINESE 620384 4E DISPLAY LABEL MID FREEZE ENG 620384 4F MID LABEL W FREEZE FRENCH 620384 4G MID LABEL W FREEZE GERMAN 620384 4I LOW LABEL W FREEZE ITALIAN 620384 4 LOW LABEL W FREEZE JAPANESE 620384 4P LOW LABEL W FREEZE PORT 620384 45 LOW LABEL W FREEZE SPANISH 620385 SUB LABEL DISPLAY 620386 FASTON TAB 620388 1 LABEL NONIN SENSOR 620393 PWR SUPPLY INSULATOR LABEL 620394 1 WASHER SHOULDER PLATED 620395 501 REPLACEMENT BATTERY SUB ASSY Service Manual 6200 43E Rev D Appendix B Welch Allyn Atlas Monitor 131 Appendix B R
257. s Most of these are held in position with the surrounding E Pac foam E Pac foam provides shock absorption ventilation channels and spaces for the components and boards Pneumatic tubing and cables must be placed correctly in E Pac to avoid problems with pinched tubing Problems During Service A Technical Support phone number is listed in Section 1 of this manual to answer questions you may have during the servicing of the Atlas Monitor Printer Print head printer motor and printer roller can be replaced as necessary Printed Circuit Boards There are no component level repairs for the Printed Circuit Boards PCB These are replaced if found to be defective During the warranty period boards that are found to be defective should be returned to Welch Allyn EXERCISE EXTREME CAUTION WHEN SERVICING THE ATLAS MONITOR THE Electrical Shock Hazard CRT ASSEMBLY AND CRT DEFLECTION BOARD OPERATE ON APPROXIMATELY 8 000 VOLTS CAUTION CRT The CRT and CRT Deflection Board are aligned at the factory and as such are replaced as a matched set if one or the other should fail in service Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 63 Section 4 Disassembly and Repair ESD Circuit Boards are sensitive to static electric ity Use wrist straps ESD mats and ESD storage bags 1 Battery Door Removal Remove the two screws holding the bat tery door Remove the battery door 2 Battery Removal Remove the batter
258. s a non inverting gain stage The positive input to the amplifier is a 1 25V reference The output of the temperature amplifier is V Ref 1 Rfb Rthermistor The A D converter will digitize the An Temp input along with the reference voltage and ground The gain of the A D is calibrated from the reference voltage measurement and any drifts in the reference voltage or A D gain are continuously compensated during monitoring fVcc Temperature Amplifier R624 51 1K f 1 24V gt C634 OluF R625 Clamp Clamp 1K x NA D602 BAV99L 1 R627 1 21K 0 196 C635 01uF J601 2 1 CON2 Temperature C636 Thermistor 2200pF Figure A 35 Temperature amplifier circuit 108 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A Impedance Respiration Model 622 623 only Overview Impedance respiration is accomplished by measuring a change of resistance across the patient s chest during breathing The RA and LA electrodes Lead I are uses to acquire the respiration signal A current source is driven through the patient and the voltage developed across the patient is measured The change in resistance caused by respiration is small in the order of 1 Ohm This small change must be measured on top of a large baseline imped ance typically 100 to 1000 Ohms Signal Source Current Drive An AC current source is used as the input signal a 34
259. s on 6 Reduce the power supply to 6 0VDC and measure the voltage at the battery connector at the Atlas to the nearest 10mV NOTE Do not measure at the power supply since cable resistance will introduce error 7 At the HyperTerminal prompt type Pangea gt power cal XXXX lt ENTER gt NOTE XXXX represents the measured voltage in millivolts no decimal point For example if you measured 6 010VDC at the battery connector use the command power cal 6010 lt gt 8 The Atlas will respond raw ZZZZ mV true 6010 mV NOTE ZZZZ is the raw uncalibrated reading that the instrument made 9 Reduce the power supply to 5 6 VDC You should soon hear the low battery alarm 10 Measure the voltage at the battery connector to the nearest 10mV Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 21 Section 2 Service 11 At the HyperTerminal prompt type Pangea gt power cal XXXX lt ENTER gt NOTE XXXX represents the measured voltage in millivolts with no decimal point For example if you measured 5 590 volts at the battery connector then you would enter the command power cal 5590 lt ENTER gt 12 The Atlas will respond raw ZZZZmV true 5590 NOTE ZZZZ is the raw uncalibrated reading that the instrument made 13 Finish the calibration by typing Pangea gt hw reset lt ENTER gt NOTE This will re boot the Atlas 14 Turn the Atlas off and reinstall the battery 15 Reset time
260. see e UL 1007 STEP PIN I PIN 2 PIN PIN 4 PIN 5 PIN 6 26 AWG PIN 1 MOTOR Z RED 2 BLACK RED BROWN YELLOW RED ORANGE Mi YELLOW CW 5 PIN 4 Jk E CCW 3 100000 H i 2 E PIN DIM S ARE IN mm 04 _ DRIVE CIRCUIT B VIEWED FROM GEAR END MOLEX 22 01 3067 HOUSING 08 50 0144 CONTACT PART NO DESCRIPTION NOT 5 THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF WELCH ALLYN INC Ol PART NO 15BA HO56 O2P OR SALE OF EQUIPMENT OR DEVICES WITHOUT WRITTEN PERMISSION Y UN FOCA Rio DC RESISTANCE 30 v STEP ANGL E 5 APPROVED DATE MATERIAL AX HOLDING TORQUE 500 g cm 4A PHASE ZIP 03 01 99 OUT TORQUE 230 g m 330 pps REL TO PROD DATE PU IN TORQUE 170 g cm 0 330 pps J BELLO 02 26 99 I O LOAD SPEED 1000 pps MIN TITLE 2 GROMMET SPECIFICATIONS OTOR STEPPER O S6 uw ddp PS CAD SOFTWARE ProE GROOVE 9 32 x 3 32 TRANSLATED FROM dxf MAY BE PURCHASED FROM AME P N 6565 10 UNLESS OTHERWISE SPECIFIED DRAWING NO REV 3 DIMENSIONS ARE FOR REFERENCE ONLY TOLERANCES DIMENSIONS 620152 ANGLES 229 SCALE NONE SHEET of Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 180 Figure D 34 Motor Stepper DESCRIPTION ECN ECO INIT DATE CKD REV CHANGE 40863 72 8 me ae 1685104 620156 157 086 TERMINALS 078 2 WIDE WITH
261. senicnik 3 19 99 size Document Number P 620005 D Release For Production 3 Bell 3 19 99 EES Date Monday August 05 2002 Sheet 6 of B D Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 158 Figure D 12 Power distribution A B D E REV Description ECN ECO Init Date Ckd A Release to Production 5 39251 JAC 3 23 99 LPP B No Load D16 5 39485 LPP 4 28 99 LPP D13 to Low Profile R51 to 316 5 39994 LPP 7 23 99 Break Away PCB Section Flag Pole Area Trend SW9 Trend sw a Sa N O Lead Select SH Lead Select sw L N Print sw 3 Print sw H ACON LED Keyboard Circuits R65 121K 1 2 On Off sw On Off sw Trend J2A 316 Green J2xA Di i Clocki Trend Hem 1 2 ACLED 1 1 AA 2 Place capacitors e Key Clock b Lead Select
262. set calibration No load battery voltage calibration Battery voltage calibration Printer adjustment Calibration date set Software upgrade Download NVRAM files Functional test Results Power on self test Menu functional test BP dymanic test BP statc test Over 15mmHg test BP Dump test Hardware functional test ECG Respiration test SpO test Temperature test CO functional test Battery functional tests Printer functional test Print on alarm test ECG alarm test Respiration alarm test Silence alarm test GOz Respiration test Blood Pressure alarm test Date Completed Technician Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 213 214 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D
263. sh SDRAM HRESET config word 156 Power PG MP 157 Power dini EEN 158 Front panel display eeh 159 Key board E 160 eeh e E RE 161 NIBP EE 162 SpOs EBD Ree 163 GRT deflection boar EE 164 Printer electroni EE 165 Model 220 main board eu vie e Co reete 166 210 220 NIBP electron e 167 DIC E 168 Power isolation SpOs interfl ace ederent a enden ronde 169 210 220 ECG AMP custodie uo Rott at e diet op SYDYN 170 210 220 ECG ALD s pna root 8 171 210 220 Respiration circuit EA 172 210 220 serial cCOMMuUN Cat OnN E 173 200 210 220 transformer isolation Lor y 174 200 210 220 EGG patient cable ere SDO 175 200 210 220 power supply sub assy 176 220 PCB Re 177 200 210 220 Power supply ee ee ee eg 178 Nonin SpOs Board DE 179 Motor SLED PCL E 180 P mp RE 181 200 210 220 ECG cable assembly 182 COS cable assembly 183 e 184 200 210 220 Pneumatic sub 185 220 CO Cable assy T P 186 Service Manual 6200 43E Rev D List of Tables Table 1 1 Operator manual part ena etae o eue enero 1 ET Packing Listu uei ERU Rr HERE Hr AP
264. sure that the alarm condition has cleared Press the DATE TIME button then press the TREND button to access Advanced Configuration menu Press the SELECT button and scroll down to Print on Alarm Press the SET button and set Print on alarm to Yes 9 Set the ECG simulator to 50 bpm 10 Verify that the printer printed a 15 second strip Software Firmware 1 Review versions written down earlier and compare to latest available Make sure that all components are compatible with each other See section 2 page 26 Table 2 3 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 47 Section 3 Troubleshooting ECG Alarms Test 1 Turn the Atlas on Verify that you hear the power on tone 2 Press DATE TIME button then press TREND button to access Advanced Configuration menu Press SELECT button and scroll down to Second Trace Press SET button and set the second trace to ECG 3 Connect ECG simulator to the Atlas Set the ECG rate on simulator to 60 bpm normal sinus rhythm 4 Verify you hear the heart rate beep at a constant high pitch 5 Press SpO button 8 times Should get quieter and finally silent 6 Press DATE TIME button then press PRINT button to save settings 7 Turn system off and back on 8 Verify pulse tone is silent even though heart rate is shown 9 Press SpO volume button 8 times Should get audible tone and then louder 10 Disconnect ECG cable 11 Verify you hear audio alarm and see
265. t ECG impedance respiration 1 10 11 12 13 Cycle power on Atlas connect a 5 lead ECG cable set to the simulator Configure the simulator for NSR 100 bpm and set the impedance respiration rate to 20 Press DATE TIME button then press TREND button to access Advanced Configuration menu Press SELECT button to highlight ECG lead set and press SET button to select 5 wire Set ECG gain to Automatic ECG speed to 25mm s ECG bandwidth to Monitor Second trace selection to ECG Press TREND button to return to idle screen Verify you see 1 ECG cascading onto second line 2 Scale bar on top left of CRT 3 Heart rate displayed as set on simulator 4 Lead Selected II 5 Pulse tone high pitched Press LEAD SELECT button and step through each of the lead settings LILIIL aVR aVL aVE V Verify that you see a different ECG waveforms for each lead selected Heart Rate will go to dashes and alarms on some leads Set lead selected to II Press DATE TIME button then press TREND button to access Advanced Configuration menu Change Second trace selection to Respiration Press TREND button to return to idle screen Verify that you see 1 ECG on top line Scale bar on left of top line Heart rate displayed as set on simulator Lead Selected II Pulse tone high pitched Respiration trace on second line and rate as set on simulator Respiration rate displayed on CRT as set on simulator dO oP o
266. t of the comparator is low at the start of the A D cycle a resistor divider is formed at the comparator input This divider reduces the Analog In signal by 0 7596 464K 464K 3 48K NIBP a PWM A D Analog Input y U209 Out U2i02 Converter R230 10K 1 08 3 R231 C219 73 2K C218 Amt e RS 5V Y gt NIBP PWM ADC U207B 74HCTOO 2 14 3 E 2 E d 08 2 1 7 C220 p 3 NIBP ADC Clock gt al D20 C 2 4 K 1 N D201 MMBD1503A U207 3 Figure A 10 NIBP PWM A D converter 86 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A Integrator 52uSec Input f 1 2KHz 0207 3 781uSec K Comparator Inputs Analog In 0 31 PWM Out U207 6 PWM timer Figure A 11 PWM timing A D Mux grounded circuits Analog signals are switched to the A D converter through MUX U209 Control of the multi plexer is through a serial communication channel from the main CPU The following signals are digitized 5V 2 Sampled version of the 5V supply Used to verify A D operation SafetyPres Safety Pressure Transducer PrimaryPres Primary Pressure Transducer P 75V Reference voltage for A D calibration OmmHg pressure for Primary Transducer P4 25V Reference voltage for A D calibration 300mmHg pressure for Primary Transducer Print Temp Printhead Tem
267. te limited to about 100V sec This is done to minimize distortion of the ECG trace in the presence or large pace pulses The differential outputs of this ampli fier stage are used as input to the Right Leg Drive amplifier 106 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A Diff Amp and Slew Rate Limit DC Gain 1 C544 1000pF mux gt R544 R546 10K 0 196 10K 0 196 U508 3 MC34002 gt gt SingEnd Out U509 LMC7101 MC34002 DL fVee fVee 1000pF Figure 32 Differential amp slew amp circuit Right Leg Drive Amplifier The right leg amplifier performs two functions First is to provide bias current to the input buffer amplifiers Second to reduce 60Hz interference increase CMR Patient Common mode signals are amplified and inverted and this resultant signal used to drive the patient Gain of the RLD amplifier at 60Hz is maximized while keeping the system gain stable The RLD output is mux d to the appropriate wire depending on the chosen input vector For example when looking at Lead I LA RA the RLD signal is switched to the LL buffer To RL lt lt 51 p 2 Sw RLD RL gt IN1 RLD Amp To LL 52 02 H Sw RLD LL 10 U503A R525 TOLARS d D R516 MC34002 10K 19 yd Es lt Diff RA S4 7 RLmux 1 H526 Sw RLD RA INA N k Wee Ve TP551 U503 2 geg fVee V GND
268. the instrument Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 81 Appendix A Theory of Operation 18V boost converter and FET ON OFF switch The PWM controller U301 is configured as an 18V boost converter An N Channel MOS FET transistor Q303 is used to switch power to the 12V regulator As Q303 is configured as a high side switch it is necessary to develop a gate voltage of proper magnitude to turn Q303 on Then to enable power to the 12V regulator the following takes place 1 The micro controller drives U10 6 high turning transistor Q302 on 2 Transistor Q301 is switched on supplying power to the PWM controller U301 3 The boost regulator develops 18VDC which will switch transistor Q303 On On Off Switch at 3 lg v Q303 0307 MTP30N06VL ore L gt gt VBackup C381 ERR p C332 4TuF SHTDN 47uF 6 T Z 1 1 2951 0 3 3 5 On Off Circuit 18V Boost Mosfet Gate Voltage gt gt Viuse E HS301 Heatsink SE mi for D3Q1 F303 R305 U301 1 MC34063AD 6078 Ip D302 8 U30l sw BAV99L Q301 Ser acy ph modd es 6 iswc H 1 1 18V 3 tat d Ver P Battery H PE R306 lt a 61 9K 0301 _ cao _ 0301 1 3 z 5 U301 comp MBR2535CTL 330uF TR 2 TOAP
269. to be digitized and the integrator output are the inputs to a com parator The output of the comparator is low at the start of an A D cycle and switches high as the integrator ramp drops below the input voltage being digitized see the timing diagram below A D conversion is accomplished by measuring the width of the PWM output signal The A D timer runs at 25 175MHz then the A D resolution is about 21000 counts over 14 bits Hysteresis is added to the comparator to avoid oscillations during switching Note that since the output of the comparator is low at the start of the A D cycle a resistor divider is formed at the comparator input This divider reduces the Analog In signal by 0 75 464K 464K 3 48K R605 R6 3 48K 8 464K Analog In gt gt 0601 3 Cem 1K 15 al 680pF ii ig 14 2 R602 3 E z 9 8 73 2K 1 U601 1 usoes 3 ren 2 U602 7 R606 LM311 U604D Lu U601A 3 48K 74HCTO4 R603 Z Mc34072 x lt 4 0602 7 2 E 8 8 14 Wee N AID sync 10 1604 10 7 U604E 74HCTO4 Figure A 26 A D converter circuit Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 101 Appendix A Theory of Operation A D Multiplexer The model 621 uses an 8 channel multiplexer the model 622 623 uses a 16 channel multi plexer to select the analog signal to be digitized Control of the
270. ton is lit 34 Reset DIASTOLIC hi alarm to 155 Factory Default 35 Press right SET button five times and the numeric value in the DIASTOLIC LO alarm LED display will be flashing 36 Press SET button and set DIASTOLIC LO alarm to 90 Press BP ALARMS OFF button 37 Press BP START CANCEL button 54 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Troubleshooting Section 3 38 39 40 41 42 Verify that you hear the audio alarm and that the numeric value in DIASTOLIC LED display is flashing Press the BP ALARMS OFF button Verify the audio alarm is silent the numeric value in the DIASTOLIC display is still flashing and that the red LED in the BP ALARMS BUTTON is lit Reset DIASTOLIC LO alarm to 50 Factory Default Turn Atlas off Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 55 Section 3 Troubleshooting Table 3 3 Atlas trouble shooting Failures Possible Solutions Power on Unit does not power up no AC on LED no Power on LED Check AC power cord Verify connection from power supply to main board Verify 12V output from power supply Replace Power Supply Check Cable from main board to display board Replace Display board Unit does not power up AC and Power on LED on Check that the CPU board is fully seated Replace CPU board Check for conformal coating in J4 header replace board if coating is found Replace Main board Replace Display b
271. ttery Low Time 1 Hour 2 Battery Dead Time 10 Minute minimums 8 Replace the battery if performance falls below specification 46 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Troubleshooting Section 3 Printer Functional Test NOTE Configuration settings for printing are different for text pages than for waveforms 1 2 Connect ECG simulator to generate a sample waveform Press PRINT button and look at waveform printout Look for darkness thickness of lines legibility of text blurring blooming of text If waveform or printed text needs to be darker or lighter go to Section 2 page 10 for printer calibration Print on Alarm Test 1 2 Turn the Atlas on Press the DATE TIME button then press the TREND button to access Advanced Configuration menu Press the SELECT button and scroll down to Print on Alarm Press the SET button and set Print on alarm to No Connect an ECG simulator to the Atlas Set the ECG rate on the simulator to 60 bpm normal sinus rhythm Press left SELECT button and the HI heart rate alarm parameter will flash Set the high heart rate alarm to 110 bpm on the Atlas and press the SELECT button again and the low heart parameter will flash Press SELECT button one more time to return to the default screen Set the ECG simulator to heart rate to 120 bpm Verify that you hear the audio alarm and that the printer is not printing Set the ECG simulator to 60 bpm and make
272. tton to exit No Load Battery Voltage Calibration NOTE No Load Battery Voltage Calibration procedure is for models 622 and 623 only If you disconnect the battery you must reset time and date after you reconnect the battery Specifications No load battery charge 6 85 VDC Required materials DVM 1 Remove the battery and disconnect the battery leads from the Atlas Use the DVM to measure across the connectors red and black 2 Adjust the voltage to 6 85 VDC by turning potentiometer R338 located behind the right battery jack Turning clockwise will increase the no load voltage and counter clockwise will decrease the no load voltage 20 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Service Section 2 Battery Voltage Calibration Required materials 1 DC power supply rated 7 VDC at 5A 2 DMM DVM with 10mV resolution on a 10 DC volt scale 3 PC with HyperTerminal 4 Serial interface cable 1 Connect the serial cable to the PC and Atlas 2 Hyper Terminal Settings are 9600 Baud 8 bit word 1 stop bit no parity no flow control ANSI character set Find HyperTerminal in Windows 95 or higher Start gt Programs Accessories gt Communication gt HyperTerminal NOTE sure the Atlas IS NOT plugged into AC for this calibration procedure 3 Remove and disconnect the battery from Atlas 4 Set the power supply to 6 8VDC 200mV and connect the power supply to the battery connector on the Atlas 5 Turn Atla
273. u25 5 5 4 d45 b 6 BY ES 6 u23 6 6 3 d43 a 7 Be BY S 6 u24 6 6 3 d44 a 7 De BY G 6 25 6 N 6 3 945 7 Be n 7 u23 7 7 2 5 5 SE 7 u24 7 7 2 5 l 7 u25 7 N 7 2 51 5 QI 8 1 8 1 p 8 1 9 3 9 3 9 3 126 8 Anode 1 P195 8 1 Tio 8 Anode 1 oS 1 Anode 2 L Anode 2 ca I Anode 2 74HC595A 680 74HC595A 680 74HC595A 680 PH TP132 7 SEG LED 0 5 7 SEG LED 0 5 R49 7 SEG LED 0 5 Tice Se BP Dia Hi BP Dia Lo cd D11 D14 d11 c 2 11 1 ve d14 c 2 1 ice a TP136 TP137 T1 75 5mm Green TP138 141 11 75 5mm Green TP139 u23 out TP140 u24 out LED Latch 2 LED_NIBP_Latch Clock3 LED_NIBP_Clock LED NIBP Enable LED_NIBP_Enable 4 gt TP142 u25 out 5 5 5 5 5 5 R59 K 9 9 v 9 9 w ilence lt e 5 35 35 e 35 e Da Silence LED VCC a a M M a a E D31 Do 029 028 025 026 024 D2 915 Q5 AZ N NA TP179 x y a EN E 13 LED_NIBP_Data_Out lt vcc TP1 R24 150 013 5 4 d31 a Wr LI u13 15 6 d30 a op 1 u13 1 7 2 d29 a 11 m ac 2 u13 2 8 1 d28 a 19 us ae Li u13 4 425 12 RCLK OF 5 u13 5 5 4 d26 a 13 E 6 13 6 6 3 d24 a P rie ed u13 7 7 2 d22 a 9 1 8 1 QH i R25 74HC595A TP8 1
274. uF 5V Thermistor2 gt gt m Thermistor 3 BAV99L Input Thermistor1 gt gt A Figure A 22 Print head temperature circuit Patient Isolated Circuits Isolated Power Isolated power is provided to the ECG SpO2 Temperature and Impedance Respiration cir cuits using an Isolation Transformer T401 temperature and respiration on models 622 and 623 only The power supply is a PWM controlled flyback converter The PWM controller is an LM3524 Output voltage f V is sampled and compared with a 5V reference voltage An error voltage is generated and this voltage returned via opto U410 Voltage f V is regulated to 7 4V A second tap on transformer T401 provides f V 7 4V The switcher operates at 76 8KHz controlled by a sync signal from the CPU board The power supply is synchro nized with the A D converter used to digitize ECG Temperature and Respiration signals 98 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A Isolation Barrier Patient Isolated a Grounded Circu Circuits D401 MBRS130T3 Ca 4 ge si i db we C402 100uF 047 ie x 450 5 R405 1 218 419 2 2 U402 ret _ gyTP451 E j 047uF 8 T40t8 466 TP453 gt 7 4 D405 BAV99L U402 ow vper 16 Dour 10 a FE Pur Sync 2 407 SHTDWN Iil TIE
275. uSec Vertical Amplifier Ramp Generator Vertical Sync Ramp Generator U1A TLC272 Z C1 06 Di 174148 134148 16 7mSec Figure A 16 Ramp generator circuit A ramp generator is built from the integrator U1A C1 and R3 The slope of the integrator 92 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A is V I T C The integrator is designed so that it ramps up 6 97V in 750uS and ramps down 3 95V 15 9mS Diode 01 clips the output voltage at about 5 0V U1 pin3 Vdiode Then the ramp resets at 5 0V each cycle and integrates down 3 95V Vertical Amplifier up l cs 047uF R12 gt 2AF R19 562 3 3 562 mv j EA 8 1 MPSWO1A x MPSWO1A 1 R13 R18 R20 169 RIS 383 562 169 Ramp gt e 1 Jarse U2A R14 R21 U2B MC34072 562 1 1 562 MC34072 4 q2 b2 vadi y 4 3 3 57 c2 Q2 16 10 R17 10 Q4 100pf MPSWS1A MPSW51A x e Size Adjust R4 R23 10K 10K R5 R6 42 2K 41 2K 6 L Vertical Yoke R8 41 2K Zero Adjust R11 1 47 R10 1K 1 96K N Figure A 17 Vertical amplifier circuit Vertical Amplifier The Vertical amplifier will generate a linear current ramp of 200mA The vertical ampli fier is an H Bridge type driver Positive current flow deflecting the beam above the center line is defined as current from
276. uration menu Press SELECT button until Silence Duration is highlighted Press SET button until 90 seconds is highlighted Press TREND button to go to default screen 3 Connect ECG simulator to the Atlas Set the ECG rate on simulator to 60 bpm normal sinus wave 4 Press left SELECT button once and set the HI alarm to 55 bpm 5 Wait until you hear the audio alarm 6 Press SILENCE button and start stopwatch Verify that the alarm returns at 90 seconds 7 Turn Atlas off CO RESP Test 1 Turn Atlas on 2 Press DATE TIME button then press TREND button to access the Advanced Configuration menu 3 Set Second trace selection to 4 Press TREND button to return to idle 5 Insert CO watertrap with hose 6 Breath into hose until a waveform is displayed 7 Remove CO watertrap 8 Verify you hear the audio alarm and that you see in the visual alarm CO2 watertrap not detected in the bottom left portion of CRT 9 Press the CO RESP ALARMS off button Verify that the audio alarm goes silent the visual alarm goes out and the red LED in the CO RESP ALARMS off button is lit 10 Turn Atlas off 52 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Troubleshooting Section 3 Blood Pressure Alarm Test 1 Turn Atlas on 2 With no hose connected to the BP port press BP Start Cancel button 3 Place finger over BP port This will block the flow causing the Atlas to detect an over pressure 4
277. ve the 5V and 3 3V supplies also become active H vo 3 C325 R316 t OE VN vour Es T 1 ID 4 FDBK ERR p9 x 1 BackupBattery gt 85 E SHTDN JL C324 047uF TA 4n TM AR one R318 4 z D304 SS 0305 MMBD3SLT 57 3 EA PIC Data 2 ckmOscuRBs 3 a On Off Key 3 2 8 4 2 0 4 5 rco 9 x 8 Roa PlCaudio K Speaker Audio AR R320 D620361 MX1 gt gt U2 Reset On Off Switch MTP23P06V EI 7 a l 5 amp i 1 89 SS 88 ba Kaf L Y 5 lo E il 2 MN 3 K M Figure 2 On Off Control Circuits Buck Converter A buck converter is used to generate 6V from the 12VDC output of the offline switcher The UC3843A U301 normally a current mode controller is configured for voltage mode feed back The UC3843A has an under voltage lockout for Vcc lt 8 5V The controller operates such that with Vcc less than 8 5V the reference out is OV and will be at 5V with Vcc gt 8 5V 78 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A Then the reference out pin 14 can be used as an AC ON detect
278. x A Serial Communication Serial data is transmitted to the isolated circuits through Optical Isolators The following signals are transmitted from the CPU board to the isolated circuits 1 FE Serial Data Serial Data transmitted from the CPU board to the Isolated circuits 2 FE Data Clk Serial Data Clock 3 A D Clk Serial Data latch Also used as clock for PMW A D converter Serial Data is converted to a parallel format using Shift Register U605 and U606 The follow ing Data is transmitted from the CPU board to the isolated circuits 1 Mux A D A 2 Mux A D B 3 Mux A D C 4 Mux Lds A 5 Mux Lds B 6 Mux Lds C 7 Sw RLD RA 8 Sw RLD LA 9 Sw RLD LL 10 Sw RLD RL 11 MonBW 12 MuxB 13 Sw RLD V 14 Sw RespReset 15 SpO2Reset 16 Resp Off Control bit A for A D Mux Control bit B for A D Mux Control bit C for A D Mux Control bit A for ECG Lead Select Mux Control bit B for ECG Lead Select Mux Control bit C for ECG Lead Select Mux Switch Reference Electrode to RA Switch Reference Electrode to LA Switch Reference Electrode to LL Switch Reference Electrode to RL Select 0 5Hz ECG high pass pole used to restore ECG baseline 0 Select A D Mux B 1 Select A D Mux A Switch Reference Electrode to V Switch Respiration High Pass Pole used to restore baseline model 622 623 Reset Nellcor SpO2 board model 622 623 only Turn respiration off when respiration not used shuts down drive signal model 622
279. y connector from the main PCB Remove battery 64 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Disassembly and Repair 3 Rear Housing Removal 3 1 Remove the four Torx head machine screws Use a 10 Torx driver 3 2 Pull the rear housing away from the front panel Take special care not to dam age any cables 3 3 Flip the housing forward Take special care not to damage any cables Service Manual 6200 43E Rev D Section 4 Welch Allyn Atlas Monitor 65 Section 4 Disassembly and Repair NOTE Observe how hose fits in E Pac Foam The hose fits over wiring keeping wiring secure 4 Printer cable and Display Cable Removal Remove both Printer and Display PCB cables from the Main PCB 5 Power Supply Ground Wire Removal Remove the two ground connectors from power supply chassis 66 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Disassembly and Repair 6 Tie Wrap Removal Cut the tie wrap that secures the ground wires to the E pac foam 7 CPU Removal Remove the CPU from the Main PCB 8 Main PCB Removal Use a tool T 16654 to pry the main Board away from the Deflection Board Pull the E pac tab to the right as you pry Support the Main PCB while titling it away Service Manual 6200 43E Rev D Section 4 Welch Allyn Atlas Monitor 67 Section 4 Disassembly and Repair 9 Main PCB Side Connector Removal Remove the four connectors power sup ply fan speakers
280. z to 40Hz Extended 0 05Hz to 100Hz bandwidth are provided The ECG amplifier always transmits 0 05Hz to 100Hz data to the CPU board unless in baseline restore mode additional filtering for Monitor Bandwidth is implemented in software 104 Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D Theory of Operation Appendix A Defib Protect RFI Filtering The ECG lead set includes a 1K resistor for current limiting The neon bulbs act as a voltage clamp limiting voltage to about 100V Neons are chosen for their low capacitance and high DC impedance when off Series resistors and diode clamps are used as a second set of pro tection circuits for the front end amplifiers Resistors R506 R507 and Diodes D506 D507 are used to reverse bias the lead clamp diodes D501 to D505 Two passive RC filters are used to reduce susceptibility to RFI and ESU Defib Protect RFI Filtering clamp clamp 1 p 3 K 0501 MMBD1503A gt gt To Buffer Amp Figure A 29 Defib protect and RFI filtering circuit Note Typical protection for each lead wire Model 621 uses a dual silicon series diode in place of zener diodes D506 and D507 Front End Buffer 1st Gain Stage Gain of the first stage is 9 26 1 10K 1 21K Bias current for each input buffer is set to 1 25V 44Meg 28nA VldsOff 1 25V On a leads off condition the two 22Meg resistor drives the input of the buffer to 1 25V VldsOff and the amplifier
281. zz lt Blank MD S SS S lt VSYNC PORESET_n gt RSTCONF_n gt lt HSYNC HRESET_n gt SRESET_n gt lt Video Clock 3 XTAL gt EXTAL gt lt MODCK1 xc gt gt lt EXTCLK gt TEXP gt Dsck gt IP_B 2 7 DSD gt gt lt 1P_B 2 7 DSDO vn gt ALE B gt gt WAIT B n 1 Welch Allyn Inc Initial Date SR Jim Belesiu Mar 5 1999 Schematic 620005 dsn Designed Jim Belesiu Mar 5 1999 Title hacked PowerPC MPC823 CPU L Phillips 3 19 99 A d si Rev FER Z Psenicnik 3 19 99 e Document Number 620005 D Release For Production J Bell 3 19 99 7679 Date Monday August 05 2002 Sheet 5 of 6 A B c D E Welch Allyn Atlas Monitor Service Manual 6200 43E Rev D 157 Figure D 11 Power PC MP C823 CPU B D REV Description ECN ECO Init Date Ckd A Release to Production 5 39173 JAC 3 18 99 LPP MPC823 PLL B Component change for

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