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ELI 100 Service Manual - Frank`s Hospital Workshop

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1. LCD DISPLAY i KEYBOARD 3 9 ELI 100 Interconnection List RS 232 High Speed Serial Data Port Connector Pin Name Description J11 High Speed Data Output Receive Data Transmit Data Data Terminal Ready Ground Reference Ce I 2 ENMUX 5V for External Module DSR Data Set Ready CTS Clear to Send XRIN High Speed Data Input AC Power Input Connector Pin Name Description J8 1 AC1 T1 Primary 1 2 AC2 T1 Primary 1 3 T1 Primary 2 4 ACA T1 Primary 2 5 THERM AC Input Line 6 ACP AC Input Neutral Battery Input Connector Pin Name Description J10 1 BATPLUS Positive Battery Terminal 2 BATNEG Negative Battery Terminal Writer Motor Connector Pin Name Description J6 1 GND Chassis Ground 2 VCC 5V Power for Shaft Encoder 3 TACH Motor Shaft Encoder Output 4 NC 5 GND Chassis Ground 6 MOTOR Writer Motor Power 7 NC 8 NC 9 NC 10 NC 3 10 Patient Input Writer Control Power Connector Pin i Name Description J9 1 GND Chassis Ground 2 VHEAD Printhead Element Power 3 GND Chassis Ground 4 VHEAD Printhead Element Power 5 GND Chassis Ground 6 VHEAD Printhead Element Power 7 GND Chassis Ground 8 VHEAD Printhead Element Power 9 GND Chassis Ground 10 VHEAD Printhead Element Power 11 TPH EN Printhead Enable 12 GND Chassis Ground 13 HDATA Seria
2. 1 2 Product Information kur uns u trente edere ted ede eoe Pee 1 2 Equipment Symbols rete Ee eet nee io fe rei efe afe Res 1 2 Symbol 42 42242 1 2 2 Maintenance Cleaning Introduction Maintenance and 2 1 Recommended Cleaning 2 1 List of Repair amp wie slant atin Alan cede ns 2 1 Cleaning and Inspection Techniques 2 2 Interior Cleaning teet hene Ente tue Dna tee cete ven 2 2 Magnetic Cleaning Cree re Ee eerte alate Be ats 2 2 Printed Circuit Board Cleaning nennen nens 2 2 Metallic and Plastic Parts Cleaning 2 8 Exterior Cleaning yuyu u umu haltet teli kak uwi qt saham hu ha h q abu akapa gi 2 3 Printhead Gleaning it eiie tre e Ed met ede dada ad ede eto 2 3 Inspection of Writer Assembly Harness 2 3 Printhead Adjustment 2 3 Exterior i ict eet 2 4 Interior Visual Inspection artapen aa eai ea aresye Ea ioa ENNE Ea KE AAEN nt EER 2 4 Preventive Maintenance 2 4 Cover
3. 6 15 6 0 View of Bottom of Paper 6 16 6 Installation of 48 Tooth 6 17 6 q Installation of Platen and 6 18 6 r Installation of Motor and Sound Dampeners sse 6 19 7 a Moth rboard 7 2 7 b Motherboard X Y 7 3 INStAllatlOn BBI la 7 4 7 A 7 4 7 Sheet 1 of Motherboard Schematics 7 6 7 f Sheet 2 of Motherboard Schematics U nennen 7 7 7 g Sheet of Motherboard Schematics 7 8 7 h Sheet 4 of Motherboard Schematics 7 9 7 Sheet 5 of Motherboard 7 10 7 j Processing Module MPM Printed Circuit Board Ref 26025 005 50 7 11 7 k Processing Module Card MPM X amp Y Coordinates Ref 26025 005 50 and 51 7 13 7 Processing Module MPM Printed Circuit Board Ref 26025 005 51 7 14 7 m Sheet 1 of 3 Schematics for MPM Printed Circuit Board Ref 26025 0
4. B 5 B e Modem Module MMM 16 MRAM Printed Circuit Board Assembly Ref 26025 003 51 B 6 B f Installation of C27 and 0100 B 7 Installation of R8 and 101 B 7 vi B h KO 55 8 800100008001688080000000000000180000000 0000000707 8 11 12 11 11011891 Ri O MNT EM 8 Bjl stallatioh of CR 2a arei 52 B 9 B k Modem Module MMM 16 MRAM Schematic Ref 26025 003 51 B 10 C a Mortara Receiver Module MRM 915 PCB Assembly Complete Ref 26125 001 50 C 1 C b Shield Can Installation Holes nsn C 2 C Installation of Shield f Ca r e a a i a a a E C 2 C d Installation of Connectors C 3 C e Mortara Receiver Module MRM 2500 PCB Assembly Complete Ref 26125 002 50 C 4 C f Installation of Connectors aaa C 5 C g Installation of MDC 2500 Assembled Printed Circuit Board C 6 Section 1 General Service Manual Purpose The purpose of this manual is to supply information to service personnel so they can maintain the ELI 100 12 Lead Electrocardiograph at the assembly and subassemb
5. gt J10 2 7 10 INTERNAL DC POWER Figure 7 i Sheet 5 of Motherboard Schematics OWER TRANSFORMER TRACES ON PC BOARD SELF RESETTING THERMAL FLISE Section 7 Mortara Processing Module MPM Board Ref 26025 005 50 Anti Static equipment should always be worn when working with static sensitive devices SEE NOTES 1 THRU 9 AT TIME OF FINAL ASSEMBLY STAMP CURRENT REVISION LETTER OF THIS FINAL STAMP INSIDE BOX USING WHITE INK MALY NUMBER AFTER THE 26025 005 5 USING WHITE EPOXY INK STAMP 0 Figure 7 j Processing Module MPM Printed Circuit Board ELI 100 Processing Module Assembly Notes Procedure for pressing 96 Pin Din Connector into the printed circuit board e Wearing static sensitive equipment and being in a static sensitive area is required while performing this task e Mortara Processing Module MPM Circuit Card Ref 5525 004 01 must be fully assembled before the connector J2 is inserted Break apart each fully assembled MPM Circuit Card from four panel array Be sure to remove all break out tabs from each MPM Circuit Card Remove the clamping bar from the MPM Circuit Card connector assembly fixture Ref 90000 015 50 e With your hands press the 96 Pin Din Connector Ref 3308 097 into holes marked J2 on the top of the MPM Circuit Card The top of the MPM Circuit Card is defined as the side of the circu
6. SERVICE PERSONNEL ONLY 2 11 MRM 2500 Label Domestic Mortara INSTRUMENT E U S A n gt 2400MHz 2483MHz 12 MRM 2500 Label European Mortara INSTRUMENT U S A 7 THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST _ E ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE She ak Rj THAT MAY CAUSE UNDESIRED OPERATION OPERATING FREQUENCIES 902MHz 928MHz FCC ID HJR MRM 915 N N CAUTION NO USER SERVICEABLE PARTS INSIDE SCREW REMOVAL BY QUALIFIED SERVICE PERSONNEL ONLY gt 13 MRM 915 Label Domestic Mortara INSTRUMENT U S A 902MHz 928 2 14 MRM 915 Label European 5 8 6 4 Writer Assembly Parts List 3 QTY DESCRIPTION 22500 100 50 PART NUMBER ITEM 1 Printhead thermal 104mm kyocera 4 09 5450 002 01 1 2 Screw shoulder hex x 0 5 Stainless 6001 002 01 2 2 Screw Phillips Fillister M2 x 5 6020 120 3 3 Screw Phillips Flat M3 x 6 6020 730 4 2 Screw Sems x 10mm W 2 Captive 6024 005 5 Washers 4 Screw M3 x 6 W 2 Captive Lock Washer 6024 003 6 2 Set Screw Socket M2 5 x 4 6030 025 7 2 Washer Lock Split M2 6105 020 8 1 Washer Flat Nylon 437 OD x 195
7. 7 8 Motherboard Schematic Sheet 4 sse 7 9 Motherboard Schematic 7 10 Processing Module MPM Board Ref 26025 005 50 7 11 Processing Module Assembly Notes Ref 26025 005 50 7 12 Processing Module MPM Board Ref 26025 005 51 7 14 Processing Module Assembly Notes Ref 26025 005 51 7 15 Testing and Troubleshooting Equipment Required tenet credi ecrit acer ri etl 8 1 Introduction to Testing and Troubleshooting 8 1 isolation Table i e te a HE pra a Shan EE EO Ia te pu CER sage 8 1 Fault Isolation Table 8 2 DIAGNOSIS ace Taj ATLA a iut bete amat 8 2 1 0 AC On Blank LCD No Pixels Illuminated 8 2 2 0 AC On Bar Across Top of LCD or Faint Illumination of Pixels 8 3 3 0 DC On Battery Low Message Appears on Display 8 3 4 0 DC On No Response When DC Key is Pressed 8 3 5 0 Writer Test Printing too Light or Too Dark or Uneven 8 3
8. APPLY RTV SILICON BETWEE THIS NUT AND DISPLAY Figure 4 1 LCD and Keyboard Installation Section 4 Mount the LCD Display Assembly Item 22 to the underside of the cover with 4 Screws Item 7 Note The polarizing key must be assembled up towards the cover Plug the LCD Ribbon Cable Item 24 into the end of the LCD Assembly Item 22 with polarizing key oriented as shown in view on previous page Note Clean display window with isopropyl alcohol or window cleaner and a cotton cloth after installation 2B Figure 4 m Tape Placement Cut Double Sided Tape Item 27 in 2 pieces to 9 375 long to fasten keyboard to the cover Remove release liner from one side and align at the distance shown above from center of keyboard mounting hole and against top and bottom edges of keyboard mounting well Lay Washers Item 30 on top of the cover align with the four corner keyboard studs and remove release liner from the other side of the double sided tape before pressing Keyboard Item 5 or 6 in place Sliding keyboard ribbon cable to J4 through cover as you do so After creasing along score line and flowing it to about 90 peel release liner from bottom edge of Keyboard Ground Plate Item 14 Align bottom pair of holes in Keyboard Ground Plate Item 14 with holes in tabs on the cover and adhere to outside surface Wrap Keyboard Ground Plate Item 14 around tabs toward the inside of the cover aligning over the holes and adhering
9. Place support posts in holes See View A A above Place speaker with metallic leads closest to the transformer and with label facing printed circuit board on top of support posts To both of the speaker leads solder one end of the wire Item 1 to the speaker lead and the other end to the printed circuit board hole marked SP1 Leads for crystal Y1 must be formed See View above before installation B 3 ELI 100 x 2 2 REF DES R19 R20 R50 R60 R61 R63 561 5 1 98 T1 U1 va 93 94 US U6 0 99 Y1 oon 001 MN MMG u a MNO ANA WU FU m v NOR 02 03 lt ri vi x 2 3 0 3 0 3 3 3 3 0 0 0 1 1 1 0 REF DES ces C30 C31 C32 C62 c90 c91 c92 c93 c94 CR1 D3 05 06 9 F1 F2 J1 2 2 2 2 3 2 0 3 a 3 3 3 3 3 e a REF DES C1 ca c3 cs c9 C11 C14 15 16 17 1 19 C21 c22 ces C4 Fig B c Modem Module MMM 2 MRAM Board X amp Y Coordinates Ref 26025 003 50 B 4 Appendix B T 5 1 Aa tes t n eet 3339999939399 sous al Fig B d Modem Module MMM 2 MRAM Schematic Ref 26025 003 50 B 5 ELI 100 Modem Module MMM 16 MRAM PCB Ref 26025
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11. 6 0 Writer Test Gaps in Printing Missing Dots or No Printing at 8 4 7 0 Writer Test No Motor Drive 8 4 8 0 Modem Test No Dial Tone or Touch Tone Audio 8 5 Performance Testing 8 5 Introduction to Performance 8 5 Equipment 8 5 Test Equipment Set Up 8 6 Initial Set ae erede dig eo e diede ded 8 6 Noise Test usa as e EH DC ea e tU ed ee 8 7 ECG Keyboard and Cable 8 8 Rhythm oe ctum ei ao e diee er t dd 8 8 ead Fail ines devin ath Aaa mu ele 8 9 Directory Test kn put susah atau uqu RG ug n ata 8 9 Transmit Receive Test a TON TELE 8 10 Modem Transmission 2 8 11 Modem mee pA Aerei meo 8 11 Writer Self rf Etpe ten ioi edt ante ae 8 12 Description of Leakage 8 12 Leakage Tests IER 8 12 Earth Leakage Current Measurement 8 12 Chassis
12. 05 500 62092 N d VNVINOW N04 i CLE OGG mum Figure 7 m Sheet 1 of 3 Schematics for Processing Module MPM Ref 26025 005 50 and 51 Figure 7 n Sheet 2 of 3 Schematics for Processing Module MPM Ref 26025 005 50 and 51 MPM Ref 26025 005 50 and 51 xU Figure 7 o Sheet 1 of 3 Schematics for Processing Module ELI 100 7 18 Section 8 Testing and Troubleshooting Equipment Required See Performance Testing later in section NOTE An oscilloscope may be necessary to isolate between a faulty printhead or the circuit board Introduction Since repair of the ELI 100 is limited to replacement of subassemblies including the processor module modem module or the entire motherboard the troubleshooting guide does not extend to the component level However hardware description schematic and an assembly drawing are provided in other parts of this manual in case of on site modifications or emergency repairs In order to avoid confusion with regard to differences in display menus or messages the processor module should be loaded with the latest revision of software Also remove the battery fuse during any disassembly necessary for servicing Fault Isolation Table Trouble Symptoms Diagnosis AC On Blank LCD no pixels illuminated See Diag 1 0 AC On Bar across top of LCD or faint illumination of pixels See Diag 2 0 AC On Charging m
13. 5V back up power which is available any time the batteries and fuse are installed The 5V logic supply is automatically latched ON anytime AC power is applied Furthermore when AC power is applied the logic supply can not be turned off The signal W24n controlled by the MPM is pulsed low to turn off logic supply Pulses on this line will turn the logic supply off only when AC power is OFF The hardware watchdog circuit is intended as a fail safe to prevent deep discharge of the batteries and loss of ECG data in the unlikely event of a processor error or other system reset During normal operation signal WDOGn is pulsed by the MPM on a periodic basis which continually resets the watchdog circuit If WDOGn pulses cease for a period of approximately 2 seconds the watchdog circuits will time out and attempts to turn off the logic supply Section 3 Power Supply AC Input Power AC power connected to the ELI 100 at the back of the unit using a suitable line cord The voltage selector tumbler setting and fuse ratings must match the voltage applied to the unit The AC power switch located on the back of the unit must be in ON position to power the unit from the AC source and to change batteries The AC power wiring connects to a mating connector on the main board J8 which routes the AC input to the primary side of the power transformer The transformer secondary side connects the AC power to the power supply circuits on the system
14. AN CAUTION Do not wipe over surfaces of nameplates or labels with abrasive cleaners or materials as this will eventually wear away the nameplate information Do not use solvents to clean plastic parts Brush all surfaces and parts with a nonmetallic soft bristle brush Wipe metal surfaces with soft nonabrasive cloth dampened with isopropyl Dry surfaces with clean cloth Wipe surfaces of nameplates and labels with dry cloth Exterior Cleaning Use a damp cloth to clean external covers and the line cord Do not use alcohol solvents or cleaning solutions These cleaning agents may damage the surfaces of the instrument Printhead Cleaning Open the writer cover as explained in the section on final assembly Apply isopropyl alcohol to a clean cloth and wipe the writer printhead until all foreign matter is removed After cleaning is completed inspect the unit using the techniques described previously After the inspection is complete install the cover as explained in the section on final assembly Inspection of Writer Assembly Harness Visually inspect the wire harness for wear maintenance damage corrosion deterioration and damage resulting from dropping If no defects are found install the cover and restore the unit to service If a defect is found in the cable replace it with a new cable Note The removal of the writer assembly as explained later in this section may be necessary to replace the cable After a cabl
15. Battery Bracket Item 5 as shown Insert three Batteries Item 11 with positive terminals up away from side with standoffs as shown Install Wires Item 8 and 10 per diagram on battery label Section 5 Figure 5 d Installing Printed Circuit Board Install Feet Item 13 on Base Item 1 using Phillips Screw Item 20 Insert AC Switch Assembly Item 6 and AC Connector Item 7 as shown Snap blue lead from AC Switch Item 6 into Connector Assembly Item 7 Pin 5 and the violet lead into connector pin 6 Attach connector from AC assembly to mating connector J8 on the printed circuit board Install and attach ground wire to grounding post Ground post to be determined at top level Install Mylar insulating Shield Item 21 over posts on base as shown Position Connector Collar Item 4 over connector J2 on Printed Circuit Board Item 2 Place printed circuit board into base as shown and secure with Hardware Item 15 Attach Patient Connector Collar Item 4 to floor of base through holes in printed circuit board using 2 Screws Item 14 52 that patient cable connector fits properly if not reposition boards and retighten screws 5 5 ELI 100 Components of Label Set 2 250 V 01 Rear Label ATTENTION DISCONNECT BATTERY BEFORE DISCONNECTING WRITER CABLES OBS KOPPLA IFRAN BATTERIET INNAN SKRIVARKABLAR KOPPLAS IFRAN ACHTUNG BATTERIEVERBINDUNG VOR ENTFERNEN DER
16. ID 6106 002 9 2 Washer Flat M2 6106 020 10 2 Washer Flat M3 6106 030 11 1 Washer Flat m3 9mm OD 6106 130 12 2 Spacer 19 x 25 x 125 6125 004 13 5 Spacer 19 x 25 x 015 6125 006 14 10 E Ring 125 Shaft SS 6140 001 15 1 E Ring 187 Shaft SS 6140 003 16 4 Washer Rubber 3 8 OD 1 8 ID Adhesive 6300 003 17 1 Gear Assembly Plastic Metric 46 Tooth 6515 046 50 18 1 Gear Assembly Plastic Metric 64 Tooth 6515 064 50 19 2 Bearing Ball 1875 ID SS 6520 003 20 2 Bearing Ball 1875 ID Flange SS 6520 004 21 2 Bearing Mandrel Spacer Black 6521 004 01 22 1 Spring 2 Roll Stock 6525 001 01 23 2 Spring Extension 88 x 18 x 031 6525 004 01 24 1 Spring Torsion Left Hand Latch 6525 007 01 25 1 Motor Assembly 6545 001 01 26 1 Shaft Main Pivot 6550 006 01 27 3 Shaft Paper Align amp Deflect 6550 007 01 28 1 Platen Shaft 4 173 x 79 6570 417 01 29 2 Tape Teflon 1 skived 7400 002 30 1 Sound Dampener 0 75 x 4 00 7405 001 01 31 1 Brush Anti static 4 43 7480 443 01 32 2 Spring Pad 2 Roll 8481 002 01 33 1 Latch Assembly 8554 001 50 34 1 Shaft Assembly 8554 002 50 35 1 Bar Spring Assembly 8554 003 50 36 2 Cam 8554 004 01 37 1 Floating Cover 8554 005 50 38 1 Slider Plate 8554 006 01 39 1 Chassis 8554 007 50 40 1 Main Cover 8554 008 50 41 1 Paper Trough 8554 009 50 42 1 Cable Braided Copper 3162 001 51 46 2 EMI Gasket Self Term Low Closure F 14 x 12001 001 50 47 5 1 Label Date Code 9003 007 50 48 Section 6 6 1 ELI 100 Figur
17. If the 5V does not turn on the LCD is blank or there is no key click then disconnect the keyboard at J4 and plug in a test keyboard If this fails replace the main circuit board Otherwise replace the unit s keyboard Writer Test Printing Too Light or Too Dark or Uneven 5 1 5 2 5 3 The printing intensity is affected by three different factors A Available power to the head batteries B The print strobe pulse width C Mechanical alignment The print strobe duty cycle is generated automatically by the hardware The period of the strobe is approximately 1 mS 50 MM Sec The on time active low should be about 500 usec at all speeds This can be observed if an oscilloscope is available by probing U20 pin 12 Install a roll of thermal ECG paper into the writer The unit should be powered up in the Main Menu Select 50 MM Sec paper speed and 20 MM MV sensitivity Press RHY 8 3 ELI 100 5 4 then Stat Examine the calibration pulses printed in all 3 channels The rising and falling edges as well as the top should be smooth lines with no fading or strings of individual dots They should also not be extremely dark or thick uneven thickness or scorch marks If the printing is extremely light or dark check the battery voltage then replace the circuit board For uneven printing power up the unit and select the Main Menu Simultaneously press ALT and 0 then ALT and T The writer self test is init
18. Leakage Current 8 14 Patient Leakage Current Measurement 8 15 Line Voltage Applied to Patient Connection Leakage Current Measurement 8 16 Ground Integrity 8 16 Appendix Testing and Troubleshooting E MEME E 1 Appendix B Modem Module s MMM Introduction to Modem Module s B 1 Modem Module MMM 2 MRAM PCB Ref 26025 003 50 B 2 Modem Module MMM 2 MRAM PCB Ref 26025 003 50 Assembly Notes B 3 Modem Module MMM 16 MRAM PCB Ref 26025 003 51 B 6 Modem Module MMM 16 MRAM PCB Ref 26025 003 51 Modification Notes B 7 Appendix Mortara Receiver Module s MRM Introduction to Mortara Receiver Module s MRM eene C 1 Mortara Receiver Module MRM 915 PCB Ref 26125 001 50 C 1 Mortara Receiver Module MRM 915 PCB Ref 26125 001 50 Assembly Notes C 2 Mortara Receiver Module MRM 2500 PCB Ref 26125 002 50 C 4 Mortara Receiver Module MRM 2500 PCB Ref 26125 002 50 Modification Notes C 6 MASK ET 1 Figures Table 1 Preventative Maintenance Schedule sese 2 4 Block Diagram AG POW6t as
19. MPM Circuit Card e Remove the clamping bar from the MPM Circuit Card connector assembly fixture Ref 90000 015 50 With your hands press the 96 Pin Din Connector Ref 3308 097 into holes marked J2 on the top of the MPM Circuit Card The Top of the MPM Circuit Card is defined as the side of the circuit card which has U1 located on it The 96 Pin Din Connector must be on the same side of the MPM Circuit Card as Be very careful not to bend any of the pins on the 96 Pin Din Connector Be sure the all of the pins of the 96 Pin Din Connector are into the holes on the MPM Circuit Card Temporarily turn the MPM Circuit Card over to see that each pin on the connector is properly located in the MPM Circuit Card holes e Place the MPM Circuit Card along with the 96 Pin Din Connector onto the MPM Connector assembly fixture The MPM Circuit Card must have component U1 and the 96 Pin Din Connector facing up when the card is placed onto the fixture There are two mounting holes on the 96 Pin Din Connector that are in line with two holes on the MPM Circuit Card Place the MPM Circuit Card onto the connector assembly fixture so that the small locator pins on the connector assembly fixture slide through the 96 Pin Din Connector and the MPM Circuit Card mounting holes The MPM Circuit Card should be situated so that the large mounting hole which is located opposite the 96 Pin Din Connector is resting on the support screw of the connector assembly fi
20. Power to the printhead heater elements the heat from which actually makes images appear on the paper is supplied to the writer via J9 pins 2 4 6 8 and 10 The system power supply provides power to the printhead either directly from the batteries or from the AC supply if AC power is connected or under heavy printing load both sources Capacitor C71 stores energy for the fast heavy current surges required by the printhead VHEAD is a switched output via Q16 Q17 which allows the voltage to be turned off by the MPM when the printhead is not in use The VHEAD current is limited to approximately 1 5 amps via R103 and Q5 Note that D22 C64 and R102 are only provisional components and are not presently installed Keyboard Interface Electrically the keyboard is arranged as an 8 x 8 matrix which is polled on a periodic basis to determine which key s are being pushed The keyboard cable plugs into connector J4 on the main system board The keyboard interface U4 U6 RP2 RP4 and D1 allows the MPM to poll the keyboard for keypushes Polling is performed by MPM writes to the row driver latch U4 which drive ROW signals ROWI ROW8 to a low state one at a time The code read subsequently from the COLUMN signals U6 COLI COLS along with the knowledge of which ROW signal was driven low indicates which key s in the matrix are being pushed The COLS is also input to the power management circuit which allows the unit to be
21. Writer Motor Control 3 2 Writer Removal Installation 2 5 ELI 100 uoiquiej uoonpoud sojuo1edsued stjuro SL COLLU eT sopeo duro Jas 10409 op edeo op 4 191s9 SAL sojuoA os onb ojuorureuooeuie sojuoidioo1 uos 19159104 ouo 1doudi od ouo noi od sepuo oosop op ope oAo1 ou joded op pepijigisuas op usonpoid soonse d uouonuoo onb AdO op seurded saloperedas 9069 un op eun g op eun 011280 ooos oosojp1egn un uo oseSuojueJN 72 op Jaded o ojuo r1eure 10709 un 108 Jap 201 21 uororsodxo Jeuusu L ellen ed sopegsibay jaded sop LJ 149802 sjuo1edsue sjue oo 6191464 sop 11edn d e np o210 05 Iosneo jre1mod JI 189 2403998
22. a A 5 3 5 Labeling and Assembly of 5 4 5 d Installing Printed Circuit Board 5 5 6 Complete Writer Assembly 6 2 6 b Addition of Date Code Label and Bench testing 6 3 6 Installing Printhead and Copper Braid 2 6 4 6 d Installing E Rings to Cover 2 6 5 6 Installing Main Pivot Shaft 6 6 6 f Installation of Spring 6 7 6 0 Installing Slider Plate 2 2 2 00400400 6 8 6 h Installing Alignment Deflector 6 9 6 Installing Floating Cover and Grounding Gaskets 6 10 6 j etal 81 41914185 ILI UEM 6 11 6 k Installing Latch and 6 12 6 1 Installing Slide Shaft Bearing and Spring sse 6 13 6 m Lower Chassis 6 14 6 n Completion of Lower Chassis
23. a Measuring Device Form Section 8 8 13 ELI 100 Chassis Leakage Current Measurement Same as Earth Leakage Current but the leakage current to various points on the chassis such as the Writer lid and the safety ground are measured instead S3 L gt o 132VAC fron Var iac lt S2 G gt p _ WRITER a gt FRAME MD ELI 100 NORMAL CONDITION 51 52 Closed 54 Both p SA UE SINGLE FAULT COND One of 51 52 Readings should be taken with S3 ond 54 in both positions CABLE MAXIMUM ALLOWED 100 uA NOTE MD is the measuring device of Figure 1 54 Fig 8 6 Chassis Leakage 8 14 Section 8 Patient Leakage Current Measurement This test measures the leakage current from the AC input circuitry to the isolated patient connected circuitry The normal condition with line polarity reversed should be tested Worst case readings can not exceed 10 132VAC fron Voriac ELI 100 NORMAL CONDITION 51 52 Closed SINGLE FAULT COND 51 52 Open Readings should be taken with 53 in 1 both positions PATIENT MAXIMUM ALLOWED 20 uA CABLE NDTE MD is the measuring device of Figure 1 L MD Fig 8 c Patient Sink Current 8 15 ELI 100 Line Voltage Applied to Patient Connection Leakage Current Measurement
24. a Set Screw Item 7 to install the Gear Item 19 with the hub away from the chassis 6 18 Section 6 AN Set Screws for the gear must be tightened with a torgue tool Required torque is 4 1 pound inches The gear should be all the way down on the platen and the set screw should engage the flat portion of the platen If needed install extra spacers Item 14 to tafe up any side to side movement of the platen KEY FACES DUTSIDE MOUNT MOTOR TO INSIDE OF LEFT CHASSTS USING HOLES WITHOUT THE MARKING RINGS MARKING RING Figure 6 r Installation of Motor and Sound Dampeners Cut the 4 strip of Sound Dampener Item 31 in half Peel the backing from both pieces and attach to theChassis Item 40 Before installing the motor be sure the motor connector conforms to the notes in view above Install the motor Item 26 to the chassis with 2 Screws Item 3 2 Lockwashers Item 8 and 2 Flat Washers Item 10 AN Screws 3 for the motor must be tightened with a torgue tool Required torque is 4414 pound inches Lay the motor cable out the rear of the chassis 6 19 ELI 100 6 20 Section 7 7 Printed Circuit Boards Introduction This section provides illustrations and the schematics for the ELI 100 Printed Circuit boards The parts lists have not been provided as the boards are to be ordered for replacement as a whole not they re individual components Anti Static equipment should a
25. be tilted approximately 30 degrees from level Mercury switch SW1 is included to prevent unintentional programming operations Th 12V supply will remain disabled unless the unit is tilted Section 3 Block Diagram A C Power POWER TO LOGIC CIRCUITS WRITER MOTOR PRINTHEAD ETC CHARGER PSRAM FLASH EPROM PROGRAMMING VOLTAGE VOLTAGE SERIAL LINK PATIENT 9 SPEAKER PATIENT ORTARA FRONT END ROCESSO MODULE ODULE SERIAL LINK HIGH SPEED DIRECT SERIAL LCD DISPLAY 2 LINE X 40 CHAR LCD SERIAL LINK DISPLAY INTERFACE INTERFACE ROUTING eee CONTROL SERIAL LINK ADDRESS DATA SERIAL LINK CONTROL MMM MORTARA KEYBOARD MODEM INTERFACE MODULE PHONE LINE gt CONNECTION THERMAL pu NETTER INTERFACE 3 7 ELI 100 Keyboard Matrix COLUMN 1 2 3 4 5 6 7 8 1 SPF Z X C B N 2 SLT 0 3 4 7 8 R 3 1 2 5 6 9 W 4 E R U lt X ECG 5 SHIFT Q W T Y O RHY 6 ENT D F J K P XMT 7 STOP A S G H L M 8 Ex BR OFF Battery Charging The ELI 100 operates on AC power or on an internal battery which can be charged by doing the following Connect the ELI 100 to AC power using the power cord provided Turn the power swi
26. board AC power is rectified via bridge B1 and filtered by C34 This is the raw DC supply used by the charger supplies R13 R14 R15 C18 and 01 form an AC power detection circuit The signal ACONn goes low to turn on the logic supply when AC power is applied This signal can also be read by the MPM Battery Connections The three 6V lead acid gel cell batteries are connected in series to form a nominal 18V battery supply The positive lead from the batteries runs through the fuse at the back of the unit and back to the connector on the cable harness with the battery negative lead Battery connection to the system board is made at the J10 connector This unit is capable of full operation from batteries Battery Charger and Printhead Supply The battery charger and printhead supply U14 and associated circuits are controlled by the UC3906 battery charger controller IC U11 and associated circuits This temperature compensated controller monitors charging current and adjusts output voltage accordingly to control the charging profile of the batteries Nominal float charge voltage is approximately 20 55V while high end bulk charge voltage is approximately 22 2V The same voltage applied to the batteries is also used to power the printhead heater elements during printing operations as described above 018 R77 R78 C49 R56 and D12 form the battery charging detector circuit The signal CHARGEn will be low when the batteries are
27. for RS 232 communication U21 and associated circuitry perform the required level shift conversion between logic voltage levels and RS 232 compatible levels The tri state buffers U8 which are controlled directly by the MPM determine the source destination of the serial data to this port High speed data communication is also available at J11 pins 1 and 9 This is a logic level serial port with communication performed at 1 25Mbit sec The tri state buffers U8 controlled by the MPM are used to connect the ISOLINK 017 high speed output to the external high speed port Writer Interface The writer interface consists of all support circuits required to run the writer These include the motor control circuit printhead signal interface and printhead power interface Writer Motor Control 07 Q8 and associated circuits comprise the motor drive circuit Motor speed is adjusted via the signal CH10 which is a 10 KHz variable duty cycle pulse width modulated output of the MPM In controlling the motor speed the higher the applied duty cycle the faster the motor will turn Signal CH9 serves as the brake FET Q6 control and printhead signal enable while the inversion of this signal CH9n is an enable signal to the motor drive circuit The writer motor is connected to the J6 connector on the main system board Closed loop control of the motor speed is accomplished in software using feedback from the motor s shaft encoder which is filtered b
28. of Lower Chassis 6 15 6 o View of Bottom of Paper Trough 6 16 6 p Installation of 48 Tooth Gear 6 17 6 q Installation of Platen and Gears 6 18 6 r Installation of Motor and Sound Dampeners 6 19 C d Installation of Connectors C 4 7 Motherboard 7 2 7 b Motherboard X Y Coordinates 7 3 7 Installation Details 7 4 7 4 Modification Detail 7 4 7 Sheet 1 of Motherboard Schematics 7 6 T f Sheet 2 of Motherboard Schematics 7 7 7 g Sheet 3 of Motherboard Schematics 7 8 T h Sheet 4 of Motherboard Schematics 7 9 7 1 Sheet 5 of Motherboard Schematics 7 10 7 MPM Printed Circuit Board Ref 26025 005 50 7 11 7 MPM Card X amp Y Coordinates Ref 26025 005 50 51 7 13 7 1 MPM Printed Circuit Board Ref 26025 005 51 7 14 7 m Sheet 1 of 3 Schematic for MPM Ref 26025 005 50 51 7 16 7 Sheet 2 of 3 Schematic for MPM Ref 26025 005 50 51 7 17 7 Sheet 3 of 3 Schematic for MPM Ref 26025 005 50 51 7 18 Table 2 Default Parameters 8 6 Table 3 Lead Fail Test 8 9 8 a Measuring Device Forms 8 13 8 b Chassis Leakage 8 14 8 c Patient Sink Current 8 154 8 d Patient Source Current 8 16 A a Trace 1 Noise Drift Test A 1 A b Trace 2 12 Lead Auto ECG A 2 A c Trace 3 Rhythm Strips A 3 A d Trace 4 Directory A 4 A e Trace 5 Writer Self Test A 5 B a MMM 2 MRAM PCB Assembly Ref 26025 003 50 B 2 B b Views and Details for Mounting Crystal B 3 B c MMM 2 MRAM Board X amp Y Coordinates 26025 003 50 B 4 B d MMM
29. right corner Do not tear off printout The LCD displays the following Name Quertuiopasclfghjki ID Units S N 25mm s 10mm mV 100Hz INT EX Illustration 8 Press EX The main menu appears Rhythm Test Press the RHY key The following screen appears Illustration 9 Press STAT The rhythm strip starts printing leads 1 5 and the following screen appears 1 1 5 Rate 68 25mm s 10mm mV 100Hz STBY Illustration 10 8 8 Section 8 Press GRP after 2 QRS complexes are printed to toggle through the lead groups I II III aVR aVL aVF V1 V2 V3 and V4 V5 V6 Look for noise watch for changing faded areas on the printout indicating a need for writer adjustment Compare this to Sample Trace 3 Press the mm s key and print 2 complexes at 50 mm s Press the key again and print 3 complexes at 5 mm s Press the Hz key and print 3 complexes at 40Hz Press the mm mV key and print 3 complexes at 20 mm mV Press STOP Lead Fail Test With the patient cable connected to the ELI 100 remove one lead at a time from the simulator and check Lead Fail messages on the Main Menu as follows Lead Removed Message on LCD A Table 3 Directory Test Press SPF The following screen appears LIST BATCH DIR DIR PLT RTV RCV REQ EX Illustration 11 Press LIST DIR to receive a printout of the directory See Trace 4 Press DIR to display the next screen LIST SELE
30. the cover as explained previously Unplug the keyboard from J4 of the circuit Note the position of the connectors Check the underside of the cover for four or five keyboard mounting nuts Use a 5 5mm nut driver to remove the nuts from the threaded studs in the keyboard Remove the two connectors through the slot in the cover assembly Removed any large deposits of glue from the cover assembly If needed 2 6 Section 2 CAUTION Before reassembling in reverse order contact the manufacture to insure the proper keyboard replacement part number Orientation for the J4 keyboard plug is as follows P12 is marked with a on one half of the flex tape This half of P12 goes to 14 pin 9 The other half of the flex tape is marked with a 9 This half plugs into J4 pin 1 of the PCB 14 pin 9 is adjacent to pin 1 LCD Removal Installation Remove the cover from the unit as explained previously Unplug the LCD ribbon cable from the LCD assembly Remove the four screws which mount the LCD assembly to the inside of the cover Remove the LCD assembly Reassemble in reverse order AN CAUTION The connector on cable for the LCD lead has one smooth side and one side with the key tab When the connector is installed the key tab side of the connector is toward the cover The smooth side is toward the PC board When installing a new LCD assembly inspect it first for scratches smudges lint or dust Clean with a soft cloth Bat
31. the cover assembly aside with the top facing up Reassemble on reverse order Writer Removal Installation Remove the four Philips screws which attach the cover assembly to the base of the unit They are located at the front and at both sides of the unit near the bottom Unplug the printhead cable Remove the remaining writer mounting screws on the under side of the cover assembly Lift the writer from the tray and pull the paper drive motor cable through the slot at the rear of the tray It may be necessary to do some maneuvering with the connector Reassemble in reverse order and see note under Printhead Removal below Printhead Removal Installation Remove the four printhead mounting screws If a tool is available for removing the E rings remove them from both ends of the metal support bar and remove the bar in order to facilitate printhead removal Slide the printhead forward and gently press down on the printhead connector until it clears the lid assembly Remove the printhead Reassemble in reverse order AN CAUTION When installing a new printhead make sure that the front edge of the printhead lines up flush with the front of the lid before tightening the mounting screws After the unit is reassembled run the writer self test as described under performance testing in the section on Testing and Troubleshooting It may be necessary to loosen the screws and skew the printhead slightly at the top or bottom in order to ge
32. to the tabs and to itself Align the remaining holes with the front two studs of keyboard Note Holes in Keyboard Ground Plate Item 14 must align with holes in tabs of cover Install 5 M3 Nuts Item 13 with captive lockwashers to keyboard studs using silicone RTV to cover and insulate center nut and washer Plug in cables Narrow Motor ribbon to J6 Wider Writer ribbon to 79 Keyboard ribbons to J4 Plug AC Power Connector into J8 LCD to J1 Battery cable into J10 Complete cable tie installation Tighten Door screws which were left loose Item 10 and 39 Attach cover to base with 6 black screws Item 8 Attach any remaining labels following the Label chart shown previously Install Fuses Two Fuses and carrier for AC Power and one Fuse and Holder for Battery Power Run self test at this time 4 13 ELI 100 4 14 5 Base Assembly Parts List 2 ATY DESCRIPTION 33999 003 50 PART NUMBER ITEM 1 Chassis Assembly 8483 009 50 1 1 ELI 100A PCB 26025 002 50 2 1 Collar Patient Connector 8483 010 01 4 1 Battery Bracket Assembly 8551 026 50 5 1 Cable Assembly AC Switch 8 Leads 14050 012 51 6 1 Connector AC 8 Leads 14050 011 51 7 2 Cable Battery To Battery 25020 032 50 8 5 Cable Tie Locking 3 9 x 10 7495 001 9 1 Cable Battery To PCB 25020 041 50 10 3 Battery Rechargeble 6 Volt 1 0 Amp 4800 003 11 1 50 Tape Rubber Black 4 5 W
33. 003 51 6 SIDE Je e P N 5525 005 0 a gpa 8050 88 H 80 jeu gr 14 125 1 3 s gt Ej abs SI Bo gt gt 4 SOLDER SIDE Fig B e Modem Module MMM 16 MRAM Printed Circuit Board Assembly Ref 26025 003 51 Appendix B Modification Notes Remove C8 C16 C27 D3 F1 R8 SGI and from the assembled Modem Module Printed Circuit Board MMM Ref 26025 003 50 Replace T1 with 1410 808 Transformer Modem 4000V AC Solder C100 across primary leads 1 and 2 of 1 on bottom of board See bottom view of board above Mount R100 in footprint vacated by Fl Mount R103 directly on top of R100 and solder Replace C16 on footprint vacated by C16 Replace C27 on footprint vacated by C27 Replace D3 and add D100 on footprint vacated by D3 See view below D3 D3 EXISTING LX D100 SOLDER ANODE OF 03 TO TOP RIGHT PAD OF D3 FOOTPRINT SOLDER CATHODE PADS OF 03 AND 0100 TO CENTER LEFT PAD OF 03 FOOTPRINT SOLDER ANODE OF 0100 TO BOTTOM RIGHT PAD OF 03 FOOTPRINT Fig B f Installation of C27 and D100 Solder R8 and C101 on the footprint vacated by R8 SIDE VIEW SOLDER 101 JOINT C101 EXISTING PADS Fig B g Installation of R8 and C101 B 7 ELI 100 Solder R102 from top pad of R20 to top pad of C7 SIDE VIEW Fig B h Installation of R102 Mount R101 as follows L
34. 05 50 and 51 7 16 7 n Sheet 2 of 3 Schematics for MPM Printed Circuit Board Ref 26025 005 50 and 51 7 17 7 0 Sheet 3 of 3 Schematics for MPM Printed Circuit Board Ref 26025 005 50 and 51 7 18 Fable 2 Default Parameters t i tete et kaa tl 8 6 Table 3 Lead Fail TeSt da Ra rade 8 9 8 a Measuring Device 8 13 8 5 1 IEEE 8 14 8 Patient Sink 8 15 8 4 Patient Source 8 16 Trace 1 Noise Drift A 1 Trace 2 12 Lead Auto A 2 Trace 3 Rhythm A 3 A d Trace 4 Directoy EE A 4 A e Trace 5 Writer Self Test A 5 B a Modem Module MMM 2 MRAM Printed Circuit Board Assembly Ref 26025 003 50 B 2 B b Views and Details for Mounting Crystal eene B 3 B c Modem Module MMM 2 MRAM Board X amp Y Coordinates Ref 26025 003 50 B 4 B d Modem Module MMM 2 MRAM Schematic Ref 26025 003 50
35. 18 Refer to the portion of the schematic that shows the printhead drive circuitry U20 pins 11 12 13 14 STB 1 STB7 should be varying duty cycle pulses of approximately 1 6 MS period at 25 MM Sec paper speed U20 pin 15 clock should be bursts of SMHZ clock pulses with the interval between bursts varying at the same rate as the strobes U20 pin 16 latch should be very narrow negative going pulses less than 200 NSec spaced at wide intervals U20 pin 17 data should be positive going pulses varying in interval U20 pin 18 enable should go from OV to 5V as soon as the writer starts running If all these signals are present the problem is the printhead or the ribbon cable If not replace the circuit board 7 0 Writer Test No Motor Drive 8 4 7 1 7 2 7 3 This problem could be caused equally by either writer or the circuit board First install a roll of thermal paper and close the writer lid Gently pull on the protruding strip of paper and verify that there is sufficient tension and no slipping The drive gears should turn smoothly Do not pull too hard as this may damage the motor Measure the combined battery voltage It should be greater than 18 VDC Next connect a voltmeter between the drain of Q6 and return the anode of D15 Power up the unit from the keyboard and select the Main Menu Select 5 MM Sec paper speed Press RHY then Stat Sequence through all the paper speeds and note the DC
36. 19 19159 po TOOTE anb 121 SJUBAJOSSIP op oseq Jisoype moz 1oAo duro p saoAojduua juaanad 193594 jod yo eug Adoud pod suajAyjakjod uo souruduu er 19 uou np uonesi Iqrsuos oun juoreunod o qe quios juernse d un jueuojuoo oouejsqns o AutAA od op uo SIJIBJ suonejedos saddofaaua 891 9069 op oun 39 O 9 op oun op o1quios 295 SIBIJ IOIpuo un 19419540 82 os oSe upenb op 32 nof np erg 9sodxo 91591 roided nbiuu y ejupeno d e6e x o1s 97 1N S suononasu iNOLLN3 LLV uosse q1o A uogIo 3sqo y uopuoyjeuisqjes uojuo1edsuen SIP uoxnAoq gon y Uoj os pun VIUIESIMIJA uojoy pun 19184 erdsrog ALA ojjrusgunsoo T fagojseqep Jeg oeqoqssuniqemoqgn y puis 193so oq pun uo AdoudAToq 198404 uop onipos uosse q1oA pun so1o1deq uog oxorauo 1uoru sop uojsnjroAsjIoxuorppurjdur
37. 2 Captive Lock Washers 6024 003 12 5 Nut with Captive Spring Washer 6152 001 01 13 1 Keyboard Grounding Plate 8483 013 01 14 1 Closing Plate for Modem 8551 027 50 15 1 Plastic Release Handle Painted 11800 001 50 16 1 Door Molded Painted 11800 002 50 17 1 Cover Assembly with Silkscreen Domestic 11800 009 51 18 or 1 Cover Assembly with Silkscreen International 11800 009 52 19 1 LCD Assembly 2 x 40 amp 2 x 7 RA Conn 14000 004 50 22 1 4 Writer Assembly 22500 100 50 23 1 Ribbon Cable Assembly LCD to Board 25018 010 50 24 1 Ribbon Cable Assembly Head to Board 25018 011 50 25 1 Wire Ground 25020 040 50 26 18 75 Tape Two Sided Adhesive 0 009 Thick x 0 25 Wide 7401 002 27 1 Base Assembly Standard Version 33999 003 50 28 1 Mylar Shield Modem Panel 8040 025 01 29 10 Washer Flat M8 9mm O D 6106 130 30 1 Grounding Post Thumb Nut 1 4 32 AAMI 6191 003 31 1 Grounding Post m6 x 1 Stud IEC 6191 002 01 32 2 Lock Washer Steel External 1 4 6100 025 33 1 Washer Flat M6 6106 060 34 2 Nut Hex Steel 1 4 32 6150 432 35 2 Nut Hex Steel M6 6152 060 36 1 MPM 2MRAM 1RCV GA Printed Circuit Board Std 26025 005 50 37 or 1 MPM 16MRAM 2RCV GA Printed Circuit Board STM 26025 005 51 38 1 Screw Phillips Pan M3 x 14 Steel Zinc Plated 6005 007 39 1 Label Protective Earth Ground 9025 018 01 40 1 Label UL Classification 9025 019 01 43 4 1 Section 4 D A Figure 4 b Assembling Modem Card Modem Card optional A
38. 2 MRAM Schematic Ref 26025 003 50 B 5 B e MMM 16 MRAM PCB Assembly Notes Ref 26025 003 51 B 6 B f Installation of C27 and D100 B 7 B g Installation of R8 and C101 B 7 B h Installation of R102 B 8 B i Installation of R101 B 8 B j Installation of CR2 B 9 B k MMM 16 MRAM Schematic Ref 26025 003 51 B 10 C a MRM 915 PCB Assy Complete Ref 26125 001 50 C 1 C b Shield Can Installation Holes C 2 C c Installation of Shield Can C 2 ELI 100 C e MRM 2500 PCB Assy Complete Ref 26125 002 50 C 5 C f Installation of Connectors C 6 C g Installation of MDC 2500 Assembled PCB C 7 A AC Input Power 3 5 AC Power Input 3 10 Base Assembly Notes 5 3 Batteries Removal Installation 2 7 Battery Charger and Printhead Supply 3 5 Battery Charging 3 8 Battery Connections 3 5 Battery Input 3 10 Block Diagram 3 7 Board Assembly Notes 7 4 C Chassis Leakage Current Measurement 8 14 Cleaning and Inspection Techniques 2 2 Cover Assembly Removal Installation 2 5 D Description of Leakage Tests 8 12 Diagnosis 8 2 Direct Receive 8 10 Directory Test 8 9 E Earth Leakage Current Measurement 8 13 ECG Keyboard and Cable Test 8 8 Engineering Debugger Interface 3 12 Equipment Required 8 1 Equipment Required 8 5 Equipment Symbols 1 2 Exterior Cleaning 2 3 Exterior Inspection 2 4 F Fault Isolation Table 8 1 Fault Isolation Table continued 8 2 Final Assembly Notes 4 5 G Ground Integrity Test 8 16 Initial
39. 31 88 17 55 Illustration 3 Check the date and time for the correct reading and press ENTER again to start the clock The LCD displays the main menu ELI 100 Rate SPF 25mm s 10mm mV 100 2 ID Illustration 4 Noise Test Press mm mV key to change the Gain to 20 mm mV and connect a shoring plug at the patient input connector Press the Auto ECG key The following screen appears YES STAT Illustration 5 Press YES The following screen appears Last Name E Illustration 6 Enter letters Q to e g q w under the Last name then press ENTER Only the letters Q to Z will appear on the LCD Listen for the beep after pressing a key You can enter 12 characters in the first name field After doing so enter a character from Q to P and press ENTER The following screen appears Patient ID B Illustration 7 Enter digits 0 to 9 in the Patient identification field making sure all the digits are displayed on the LCD Hold the backspace key to erase all the numbers and then enter the serial number from the back of the unit Press ENTER the alpha and numeric keys are now tested Continue to press ENTER for Age Hr in Wt Ib Sex Race Medication 1 Medication 2 and Location The message Analyzing ECG appears followed by a printout of Trace 1 8 7 ELI 100 Check Trace 1 for noise on all leads Total peak and peak noise amplitude should not be more than 1 5 mm Compar
40. 6 ores 08691 0525 0555 0885 529 524 5 29 5529 55 9 0299 08691 2589 5029 Sote Sete 0556 sore 5258 ores 50 6 62 6 02901 9855 5502 08 2 oats oBe2 Set 5512 Serr 981 22474 295 5552 5696 5629 089 651 Sort 554 0859 08 9 508 Seve Seve 02 9 998 519 9825 0829 5065 5292 5908 0849 5065 Sot 5025 5225 0205 Serr 5684 5294 0829 9595 osar 14 74 0596 0855 006 5005 089 08 950 5552 11 12 Xe 92 592 199 099 22 22 229 t23 023 23 613 9123 512 ri 123 2123 112 013 12 530 4135 Figure 7 b Motherboard X Y Coordinates Dimensions are in mils 1 e 2750 2 750 these are to the center of each component or devices 7 3 ELI 100 DETAIL A 51 014 OETRIL 8 2 55 DETAIL C JS 7 TYP 2 PLACES ERCH INSTALL HRROHRRE PRIOR TO SOLDERING TO RLIGN CONNECTOR STRAIGHT BOARD EDGE CONNECTOR MUST LIE FLAT ON TOP SURFACE CONNECTOR HOUSING 10 15 Buckle of cable Tie in this area Figure 7 d Modification Detail for Motherboard See assembly notes on the following page 74 Section 7 Motherboard Assembly Notes The following components are not installed C18 C21 C48 C58 C84 R5 R21 R28 R102 D22 J3 SWI Cut leads shall not extend g
41. Assembly Removal 2 5 Writer Removal 2 5 Printhead Removal 2 5 Paper Drive Motor Removal 2 6 Printed Circuit Board Assembly Removal Installation 1 2 6 Keyboard Removal Installation sese 2 6 LCD Removal Installation 2 7 Batteries Removal Installation a a 2 7 Technical Description Introduction Technical 3 1 Processor Module MPM 3 1 Modem Module 3 1 Main Syst6m Board aqu Uu ahua DUI toda T aata a natal 3 2 RS 232 Level Serial Port High Speed Serial Port 3 2 stor Ande 3 2 Writer Motor Control 3 rene cere mec tapi eaka HER a eda dat HERE asa 3 2 Printhead Signal and Power Interface 3 3 IKeyboard Interface cater meret
42. C 1 OJO F7 sO o S I x 8 jm IET o o efe e gy is VOX o Kl A 4 QN jum m o JO a nii T ELI 100 72 I X o 2 4 No 220213 E AX S a E 26 OV GAN 5 8 207 V z 9 NS ND d 7 A 5 5 22 a NA B E 5 ra Fig C c Installation of Shield Can Keeping all edges of shield can in contact with printed circuit board solder shield can to printed circuit board from From topside insert shield can mounting tabs into corresponding holes and seat shield can against printed circuit the backside at all seven 7 mount
43. CG will be transmitted back to the unit under test On the unit under test select SPF from the Main Menu Then select LIST DIR from the next screen A printout of the directory will show the originally transmitted and then re received ECG with an X under the column Compare this to Sample Trace 4 Now delete each record on the unit under test This is done by selecting each record individually then pressing the DEL key This key label will change to RCR when the key has been pressed Using the arrow keys select each record and repeat the process until all records of the directory are deleted Now press LIST DIR to obtain a printout of the directory You will now see an X in the column labeled DEL 8 10 Section 8 Modem Transmission A fully functional unit must be available with a modem card either at the same location or at an outside location to do this test Connect the unit under test to a phone line Press STOP followed by ALT and SPF to access the CONF CLOCK screen Press CONF and ENTER until the BAUD RATE selection field appears Press 38400 and the baud rate should switch to 9600 Press ENTER and set the phone number of the unit being transmitted to by using the numeric keys Note If a number is necessary to access a dial tone for an outside line separate the numbers by the uppercase letter W i e 9W3541600 Press ENTER until the CONF CLOCK screen appears then press the EXI
44. CT Illustration 12 The most recently acquired record appears on the LCD identified by the last name field 8 9 ELI 100 Transmit Receive Test Connect the unit under test to a fully functional ELI 100 via the serial ports using the direct Transmit Receive cable and set both units to the same baud rate Power up the functional unit from the keyboard and press SPF The following screen appears BATCH DIR PLT RTV RCV REQ EX Illustration 13 Press RCV The following screen appears Receive ready Illustration 14 The functional unit is now ready to receive ECGs In order to transmit with the unit under test it is necessary to have acquired an ECG using the simulator Acquire an ECG and enter the unit s serial no as the patient ID Then from the Special function screen press DIR After doing so press SELECT and the next menu appears Press SELECT again Finally press XMT and the following screen appears Transmit in progress ID Unit s S N Illustration 15 On the functional Receiving unit press EX Then press DIR The just received record is automatically displayed Compare the last name field and the ID number with the original record Direct Receive On the unit under test select SPF from the Main Menu Then press the RCV key The LCD should display RECEIVE READY On the functional unit press the XMT key from the directory after selecting the record The previously received E
45. DRUCKERKABEL UNTERBRECHEN ATENCION DESCONECTE BATERIA ANTES DE DESCONECTAR CABLES IMPRESORA ATTENZIONE SCOLLEGARE BATTERIA PRIMA DI RIMUOVERE CAVI STAMPANTE ATTENTION DEBRANCHER LA BATTERIE AVANT DE DECONNECTOR LE CABLE DE L IMPRIMANTE 02 Battery Disconnect Warning Label T 315mA 250 V 03 Fuse Rating Label Y BATT J12 PIN 1 BATTERY REF 4800 003 312 PIN 2 04 Battery Connection Guide Label 5 6 05 Paper Trough Label Mortara INSTRUMENT Mortara 7865 86th STREET MILWAUKEE WI 53224 SN REF 100 120 220 240 V 50 60 Hz 40VA 06 Serial Number Window Label 10 07 ECG Input Label 4 N COMPLIES WITH PART 68 RULES FCC REGISTRATION NUMBER HJRUSA 74114 DT E RINGER EQUIVALENCE 0 3A 0 3B USOC JACK RJ11 MADE IN U S A 08 Closing Plate with Modem Label 09 Closing Plate without Modem Label Section 5 5 7 ELI 100 10 Closing Plate with Modem Label European THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION OPERATING FREQUENCIES 2400MHz 2483MHz N Mortara INSTRUMENT U S A CAUTION NO USER SERVICEABLE PARTS 7 INSIDE SCREW REMOVAL BY QUALIFIED S
46. IN PIIN Etta 211 Otte the cote 5918 rote cote 1014 oota 60 eo 50 v 20 910 510 67 530 434 oac 0552 0552 11122 999 084 5254 ossa 0822 ores 529 5694 oEEB 5648 0826 ots Ses 95 01 Sros 5256 ofr 595 0509 oreo 0819 5 9 0959 0859 0829 8244 256 szi2 ossa 550 9 5994 Sees 559 5985 soos 0 2 084 088 9125 8825 2885 0826 0556 0256 Sert 08 5056 SPST eset 5281 0862 5266 0058 5514 otec 9 5256 Gor 0226 019 528 SISE 558 552 58001 12433 seer 84 66 4 5956 2 95 0025 5095 0926 7474 SStr Sev see 5625 Sore 5541 oor 9561 5502 0505 5529 52 9 5091 Soos 5082 6 29 55 9 558 1174 564 508 9555 529 5562 oac 562 501 528 0558 a 1 La 1 21 911 1 or or er sr sr tr eir ISH 133 ozo 610 lt 10 819 ato 62 83 123 3 693 992 993 593 530 138 5952 590 5525 5528 952 5256 5655 5595 5501 5228 0627 5985 5085 500 556 56 586 556 095 564 506 S2rs 5255 0805 54001 5415 0805 ores 2855 90 9995 90 5509 654
47. In this test a potential at 1096 over the line voltage is applied to the patient connection and the leakage current with respect to earth ground is measured The normal condition with line polarity reversed should be tested Worst case readings not exceed 20 S3 120VAC fron line 51 c MN NORMAL CONDITION 51 52 Closed Leakage current is neasured to each lead on to the combined lead set ELI 100 MAXIMUM ALLOWED 20 uA MD is the measuring device of Figure 1 PATIENT TI ABLE 2 20 ground 132VAC MD fron Variac Fig 8 d Patient Source Current Ground Integrity Test Whenever the Writer PCB assembly or AC connector assembly are removed and replaced it is necessary to check continuity from the affected chassis ground points Writer Lid safety ground to the unit s earth ground connection The resistance can not exceed 0 10 8 16 Appendix A Appendix Sample Traces g z 2 al 8 Hi Se 5 s 5 5 2 3 ir 2 E Fig Trace 1 Noise Drift Test A 1 ELI 100 E illi b Trace 2 12 Lead Auto ECG Fig A A 2 Appendix A 1 i H 1 ee de SEK TT LLLI HEN Fig A c Trace 3
48. JJUTISB OMG AILAJIDSUOD QC ostto o5s eius V oosr ergur 87189 oon e e ejsods I euoizensiba yu eq eOLLu L eue 9UOIZeAJSSUO Jagd IUOIZMS iSNOIZNALLV LOL00 r0S6 444 osneo sode ISOU ISIMIJUT 8 pue Suneoo pa10 09 jo sjueuido oAop osneo ouojox pue 19159 qons sjuoA os Sururejuoo SOATSOUPY S1jourejuoo 2821015 IOJIOBJSIJES 916 IojsoA od pue ouo AdoudA od euo amp qioA oq pound pue Joded Jo AjyAnisuos JO 5801 Sururejuoo 1oztonse d pue AutAATod Jo 8101616498 3294 pue sedo oaug 9669 pue 08 o oq eoe d rp ooo 9016 72 jo pue Joded y jo Surmojjak osneo 3y81 uns o3nsodxq SAION Jedeg jeuuesu L iNOLLO VO 09Zv vS FLP xe4 0091 796 veces IM 3340 VAVTIIN 133418 UI98 9984 09555 _ euDo og 9exnemN 1 5
49. Keyboard Row 2 Row 2 Keyboard Row 3 Row 3 Keyboard Row 4 Row 4 Keyboard Row 5 Row 5 Keyboard Row 6 Row 6 Keyboard Row 7 Row 7 Keyboard Row 8 Row 8 Keyboard Row 9 COL 1 Keyboard Column 10 COL 2 Keyboard Column 11 COL 3 Keyboard Column 12 COL 4 Keyboard Column 13 COL 5 Keyboard Column 14 COL 6 Keyboard Column 15 COL 7 Keyboard Column 16 COL 8 Keyboard Column 3 12 Section 3 Engineering Debugger Interface Connector Pin Name Description J3 1 GND System Ground 2 DSCLK Engineering Debugger SUPPORT 3 GND System Ground 4 FREEZE Engineering Debugger SUPPORT 5 RESETn System Reset 6 DSI Engineering Debugger SUPPORT 7 VCC 5V Power 8 DSO Engineering Debugger SUPPORT 3 13 ELI 100 8 14 4 Final Assembly Section 4 Parts List 1 QTY DESCRIPTION PART NUMBER ITEM 34000 015 1000 1001 1006 AND 1011 2 Fuse Type T 250V 315mA 5 x 20 Slo Blo 4021 003 2 2 Fuse Carrier 5 x 20mm Black 4115 008 4 1 Keyboard 46 Key Assembly Domestic 4160 012 50 5 or 1 Keyboard 46 Key Assembly International 4160 012 52 6 5 Screw Phillips Panhead M3 x 6 6020 430 7 2 Screw Phillips Flatnead M3 x 6 Black Oxide 6020 731 8 6 Screw Phillips Flatnead M3 x 8 Black Oxide Plating 6020 733 9 3 Screw Sems M3 x 12 with 2 Captive Washers 6024 006 10 2 Screw M3 x 6 with Captive Lock Washer 6024 001 11 6 Screw M3 x 6 with
50. MPONENTS REF DES 2600 2200 150 2100 BOTTOM SIDE COMPONENTS REF DES 917 018 uei vee ves 24 U4 1250 425 2250 3450 2800 2250 2800 3450 1300 2350 375 Figure 7 k Processing Module Card MPM X 8 Y Coordinates Ref 26025 005 50 and 26025 005 51 Dimensions are in mils 1 e 2950 2 950 these are to the center of each component or devices 1575 1300 1700 1700 1700 950 950 950 500 7 13 ELI 100 Mortara Processing Module MPM Board Ref 26025 005 51 Anti Static equipment should always be worn when working with static sensitive devices SEE NOTES 1 THRU 9 AT TIME OF FINAL ASSEMBLY STAMP PROPER ASSEMBLY NUMBER AFTER THE 26025 005 5 USING WHITE EPOXY INK STAMP 1 AT TIME OF FINAL ASSEMBLY STAMP CURRENT REVISION LETTER OF THIS PART INSIDE BOX USING WHITE EPOXY INK Figure 7 Processing Module MPM Printed Circuit Board Section 7 Processing Module Assembly Notes Procedure for pressing the 96 Pin Din Connector into the printed circuit board e Wearing static sensitive equipment and being in a static sensitive area is required while performing this task e Mortara Processing Module MPM Circuit Card Ref 5525 004 01 must be fully assembled before the connector J2 is inserted Break apart each fully assembled MPM Circuit Card from four panel array Be sure to remove all break out tabs from each
51. REF 9507 008 50 REV E1 Mortara INSTRUMENT ELI 100 Service Manual CAUTION Federal law restricts this device to sale by or on the order of a physician Mortara Copyright 1996 2006 by Mortara Instrument Inc 7865 N 86th Street Milwaukee Wisconsin 53224 This document contains confidential information that belongs to Mortara Instrument Inc No part of this document may be transmitted reproduced used or disclosed outside of the receiving organization without the express written consent of Mortara Instrument Inc Mortara is a registered trademark of Mortara Instrument Inc ELI 100 is a trademark of Mortara Instrument Inc Table of Contents 1 General Service Manual P rpoSe petens 1 1 User Safety Intormatlon dre hene di ta mad 1 1 Periodic Safety Inspections 1 1 Proper Power cc detinet eb oe edm dtes 1 1 Proper Fuse etate teet nee 1 1 Do Not Operate in Explosive Atmospheres 1 1 Use Only Safe Methods of Interconnection sse 1 1 Do Not Mount Product above Patient 1 1 Recommended 1 1 Sterilizing this 1 2 85 1 2 System Information 09
52. Rhythm Strips A 3 ELI 100 H Fig A d Trace 4 Directory Appendix A iu 4ap3qe 7 12 LSHOdONK TIC THO S40 EVOL lt gt 68 950 210 0 8 58 1 LOU 66 20 01 Fig A e Trace 5 Writer Self Test A 5 ELI 100 A 6 Appendix B Appendix B Modem Module s MMM Introduction This section provides illustrations and the schematics for the ELI 100 printed circuit boards The parts lists have not been provided as the boards are to be ordered for replacement as a whole not they re individual components Anti Static equipment should always be worn when working with static sensitive devices and in a static sensitive area B 1 ELI 100 Modem Module MMM 2 MRAM PCB Ref 26025 003 50 TOP SIDE SPEAKER MOUNTING HOLE AT TIME OF FINAL ASSEMBLY CURRENT REFER TO FIGURE 1 FOR SPEAKER ASSEMBLY CONFIGURATION REVISION LETTER OF THIS PART GE PERMANENTLY MARKED IM AREA SHOWN SPEAKER MOUNTING HOLE REFER TO FIGURE 1 FOR SPEAKER ASSEMBLY SP1 CONNECTION HOLES FOR HIRE MOUNTING TO BOARD SOLDER SIDE Fig B a Modem Module MMM 2 MRAM Printed Circuit Board Assembly Ref 26025 003 50 B 2 Appendix B SPERKER B Eg SUPPORT POST 2 PRINTED CIRCUIT BOARD 2 SUPPORT POST VIEN PRINTED CIRCUIT BOARD Fig B b Views and Details for Mounting Crystal Assembly Notes Speaker Attachment
53. Set Up 8 6 Inspection of Writer Assembly Harness 2 3 Interconnection Diagram 3 9 Interconnection List 3 10 Interior Cleaning 2 2 Interior Visual Inspection 2 4 K Keyboard Interface 3 3 Keyboard Interface 3 12 Keyboard Matrix 3 8 Keyboard Removal Installation 2 6 L LCD Display Interface 3 12 LCD Interface 3 3 LCD Removal Installation 2 7 Lead Fail Test 8 9 Leakage Tests 8 12 Line Voltage Applied to Patient Connection Leakage Current Measurement 8 16 Liquid Spills 1 2 List of Repair Materials 2 1 Magnetic Cleaning 2 2 Main System Board 3 2 Maintenance and Cleaning 2 1 Metallic and Plastic Parts Cleaning 2 3 Modem Card Optional Assembly Procedure 4 3 Modem Module MMM 2 MRAM PCB Ref 26025 003 50 Assembly Notes B 3 Modem Module MMM 2 MRAM PCB Ref 26025 003 50 B 1 Modem Module MMM 16 MRAM PCB Ref 26025 003 51 Assembly Notes B 7 Modem Module MMM 16 MRAM PCB Ref 26025 003 51 B 6 Modem Module MMM 3 1 Modem Options 4 4 Index Modem Receive 8 11 Modem Transmission 8 11 Motherboard Printed Circuit Board 7 1 Mount Product above Patient 1 1 MPM Board Ref 26025 005 50 7 11 MPM Board Ref 26025 005 51 7 14 MPM Board Slot 3 12 MRM 915 Board Ref 26125 001 50 C 1 MRM 2500 board Ref 26125 002 50 C 5 N Noise Test 8 7 O Operate in Explosive Atmospheres 1 1 p Paper Drive Motor Removal Installation 2 6 Parts List 1 Final Assembly 4 1 Parts List 42 Base Assembl
54. T key Press SPF from the Main Menu Press DIR From the directory printout select and ECG that has not been transmitted from the unit under test by pressing the appropriate arrow key on the display Connect the functional Receiving unit to a phone line and power up from the keyboard Press STOP followed by ALT and SPF to access the screen Press CONF and ENTER until the BAUD RATE selection field appears Press 38400 and the baud rate should switch to 1200 Press ENTER and set the phone number of the unit under test Press the EXIT key twice to return to the Main Menu Press the SPF key then press the RCV key The LCD should display RECEIVE READY On the unit under test press the XMT key to transmit the selected ECG Listen for the dial tone and the phone number being dialed Observe the receiving unit The message RECEIVING should appear on the LCD After the message RECEIVE READY appears on the LCD of the receiving unit press the STOP key of the unit under test followed by SPF then RCV to allow the unit under test to receive an ECG Modem Receive On the functional unit press the STOP key followed by SPF then DIR Next Press SELECT twice Press the key to send the ECG to the unit under test Listen for a dial tone followed by the phone number being dialed On the unit under test observe the LCD displaying the message RECEIVING ECG When the me
55. Warning s and Caution s Use Only Safe Methods of Interconnection To prevent electrical shock from the product when it is connected to other electrical equipment proper grounding is essential Refer to Operator s Manual Safety Information Warning s Peripheral equipment Do Not Mount Product above Patient Do not mount or place the product where it could fall on a patient or where it could be accidentally knocked off a shelf or other mounting arrangement Recommended Accessories For the patient s safety and optimum equipment performance use only the accessories specified by Mortara Instrument Inc ELI 100 Sterilizing this Product Do not sterilize this product or any accessories unless specifically directed by the manufacturer Sterilization and sterilization environments can seriously damage many components and accessories Liquid Spills Do not set beverages or other liquids on or near the ELI 100 and or optional equipment System Information Log See Appendix A of Operator s Manual Product Information See Section 1 of Operator s Manual Equipment Symbols Symbol Delineation Electrostatic sensitive devices 1 2 Section 2 2 Maintenance and Cleaning AN CAUTION Remove battery fuse at right rear of unit before attempting any disassembly Also removing the fuse at the right rear of the unit will cause the configuration parameters to reset to the default setting In addition all ECGs stored in
56. al components to minimize power consumption and enhance performance The ELI 100 is a modular assembly taking advantage of standard sub assemblies designed at Mortara Instrument Inc The system consists of the following major sub assemblies and parts Mortara Processor Module MPM Mortara MODEM Module MMM optional Main System board Motherboard Assembly Keyboard LCD Display Writer Assembly Batteries AC Input Power Selector and AC Power Switch Assemblies Various other Interconnect Cable Assemblies The basic operation of each of the above will be covered in the following sections Processor Module MPM The MPM is a propriety plug in module forming the processing core of the ELI 100 This module based on the Motorola MC68332 micro controller controls all aspects of ELI 100 operation The basic system bus architecture and timing is derived from the 68332 local bus interface This module is always installed in the ELI 100 The module contains RAM memory for processing and storage of ECGs non volatile memory for storage of the micro controller program and special configuration parameters and a real time clock chip for tracking time of day and date The module also contains Mortara propriety integrated circuits ICs which receive and pre process ECG data from the Front End module The Serial Communications Interface SCI a Universal Asynchronous Receiver Transmitter UART serial interface is supported by the MPM and is use
57. ay R101 on board surface with left pad butted and soldered to top pad of C27 Be careful not to short R101 to any other pad or trace Solder a jumper wire approximately 1 00 long from right pad of R101 to pin 1 of U2 Secure R101 to board surface using Tak Pak or equivalent Fig B i Installation of R101 B 8 Appendix B Add CR2 across right pads of L1 and L2 After CR2 has been soldered bend part over onto the tops of L1 and L2 CR2 Fig B j Installation of CR2 SIDE VIEW L2 L1 558718757555 a a trce22sLTTR R 000 i Tat T pu emm eng PA ca re Fig B k Modem Module 16 MRAM Schematic Ref 26025 003 51 B 10 Appendix C Appendix C Mortara Receiver Module s MRM Introduction This section provides illustrations and the schematics for the ELI 100 Receiver Modules The parts lists have not been provided as the boards are to be ordered for replacement as a whole not they re individual components Anti Static equipment should always be worn when working with static sensitive devices and in a static sensitive area I Mortara Receiver Module MRM 915 PCB Assembly Ref 26125 001 50 Fig C a Mortara Receiver Module MRM 915 Printed Circuit Board Assembly Complete Ref 26125 001 50 Insert connectors Item 2 into printed circuit board holes and solder in place as shown
58. base printed circuit board Connect cable from the Writer Motor to J6 on the base printed circuit board Connect cable from the Writer Printhead to J9 on the base printed circuit board Install MPM Board Item 37 or 38 into Main Board using a M3 x 6 Screw Item 7 Position cover over base and close onto base Secure to base with 6 Screws Item 9 tighten to hand tight Remove paper backing from Mylar Shield Item 29 and adhere to Modem Cover Plate Item 15 Place Modem Cover Plate Item 15 over modem opening and secure into place with 2 Screws Item 8 tighten to hand tight J9 Figure 4 j Writer Door Installation Attach Ribbon Cable Head to Board Item 25 to writer printhead Attach Release Button Item 16 to writer with 2 Screws item 11 Attach writer Door Item 17 using 4 Screws Item 12 as shown leave them loose at this time 4 10 Section 4 Figure 4 k Writer Installation Center assembled writer evenly on both sides opening Secure the writer to the cover using 4 Screws Item 10 and 39 6 Flat Washers Item 30 stack 3 under ground lug Add Lug of Ground Cable Assembly Item 26 on the screw toward the left front corner of the cover Note The Ground Cable Assembly Item 26 runs between the Keyboard Stud and the Writer Stud ELI 100 RE LINE POSITION THESE HOLES OVER LOWER KEYBOARD MOUNTING STUDS IN 2 PLACES POLARIZING KEY N
59. being bulk charged When the charge controller switches to float mode CHARGEn will go high This information is available to the MPM for status message purposes 5V Logic Supply The 5V logic supply U10 and associated circuits powers all the logic devices in the unit This supply is controlled by the power management circuit through FET switch combination Q2 and Q4 3 5 ELI 3 6 100 5V Back up Supply The 5V back up supply U9 and associated components supplies power to devices which must operate or save memory when the 5V logic supply is off The output voltage of this supply is a actually approximately 4 6 volts U9 also provides battery voltage monitoring support Battery voltage is sensed through divider circuit R26 R42 R31 and D9 The voltage is compared to a reference voltage inside U9 and U9 outputs the LOBAT Tn signal which can be read by the processor Signal CH3 from the MPM serves to shift the compared voltage to facilitate detection of two battery voltage levels The higher voltage threshold is termed battery depleted When the MPM detects battery depleted the software will power off the unit 12V Programming Supply This supply U17 and associated circuits provides power used in programming FLASH memory devices on the MPM card This supply must be enabled by the MPM signal 12VONn For some older equipment it may be necessary that MPM signal 12VONn enable the supply but also requires that the unit
60. d throughout the ELI 100 for serial communications as described in later sections The signal lines for this interface are named TXD and RXD Modem Module MMM The MMM is a propriety plug in module which adds MODEM capabilities to the ELI 100 Currently this module is optional and may not be installed in all units The is a 2400 baud MODEM conforming to v 21 v 22 v 22 bis and Bell 103 2124 standards Serial data transmission and reception is accomplished via the MPM SCI UART interface The MM accepts an input CHO from the MPM for ON HOOK OFF HOOK control The MMM provides a RING INDICATE output signal CH1 for detection by the MPM 3 1 ELI 3 2 100 Main System Board The main system board contains all the interfaces and support circuits required in the ELI 100 including system bus support RS 232 and high speed serial communication ports writer keyboard and LCD display interfaces patient cable connection and Front End Module for ECG acquisition power management circuit and power supply RS 232 Level Serial Port High Speed Serial Port The ELI 100 has one 9 pin sub miniature D female connector on the back of the unit Both RS 232 serial communication and high speed serial communication are available via this port The RS 232 communication data rate is programmable up to 38 400 bps or 57 600 bps when the ELI 100 is configured as a ST Monitor Note connector J11 on the ELI 100 schematics for the pin numbers used
61. diete 3 3 ECD IMM aCe ELE 3 3 zc 4 5 he ime o OE inae as 3 4 Speaker Interface P FOIS n darte eee 3 4 Power Management 3 4 Power SUPPLY s EE 3 5 2 2 2 3 5 Battery Connections dd de deniers 3 5 Battery Charger and Printhead Supply 3 5 AME 3 5 5V Back Up SUpply tel re ag o 3 6 12V Programming Supply U eene nnne nennen nes 3 6 Block Diagram eM 3 7 Keyboard Matrix uwa pectin sida adea dnte iv dedi na dates ada nis 3 8 Battery Charging u a a died dde ci d eiu ae dog e 3 8 Interconnection Diagram 3 9 Interconnection LISE eevee ded trt 3 10 RS 232 High Speed Serial Data 3 10 AG Powet 3 1 eot uu eco ade 3 10 Battery orti t e eet xen eer tia ea eren e tnc 3 10 Write a 3 10 Writer Control eate edo ne cre e Rex a eq o 3 11 Patient ee tr t e nu ct ER
62. e 3 11 LGD Display InterfaCe urne ette ree ca iade 3 12 Spare SOL x ARR AaS LEE ERES RS ITE TRE ML LEGERE SAATA ease 3 12 MPM Board Slot eure e ce tbe teta e 3 12 Keyboard Interfaee ge Ecce ee e td adn 3 12 Engineering Debugger Interface 3 13 Final Assembly Parts List 1 Final 4 4 1 Modem Card Optional Assembly Procedure sss 4 3 6 424444 4 4 Final Assembly Notes uwa ua asa ee iue d ee e Ree c aea 4 5 5 Base Assembly Parts list 2 Assembly tie T e tete Re eee tides 5 1 Base Assembly Notes eti ete e ete Per ase t PED eost 5 3 6 4 Writer Assembly WEGE enit dte aed feni d dte dee di Deo aadi dide 6 1 Writer Assembly 0 4 6 3 7 Printed Circuit Boards Introduction to Printed Circuit boards eene nene 7 1 Motherboard Ref 26025 002 50 7 2 Motherboard Board Assembly Notes 7 5 Motherboard Schematic Sheet 1 7 6 Motherboard Schematic Sheet 2 7 7 Motherboard Schematic Sheet 3
63. e 6 a Complete Writer Assembly Section 6 DIMENSIONS ARE APPROXIMATE ADD A PIECE CLEAR OVER DATE CODE LABEL CITEM 48 Figure 6 b Addition of Date Code Label And Bench Testing Place the writer on assembly fixture Ref 90000 014 50 Locate the writer on the assembly fixture with the four mounting holes in the writer over the four pins on the assembly fixture Press down on the writer trough and the white spring pads and hold down Screws for the writer trough must be tighened with a torgue tool Required torque is 8 1 pound inches Remove the writer from the fixture Place checking fixture Ref 90000 014 510nto the writer Locate the four ins on the checking fixture into the four mounting holes in the writer If fixture slides into the holes the writer is in tolerance if it does not repeat steps above and recheck Attach Date Code Label Item 48 as shown in figure above writers must be bench tested for the motor ant the printhead function using the test unit in the assembly area Test writer per MIS 02 036 00 latest revision 6 3 ELI 100 Figure 6 c Installing Printhead and Copper Braid Cable Attach one end of the Braided Copper Cable Item 46 to the top of the main cover and the other end to the bottom of the chassis using a Sems Screw Item 6 at each end Caution Writers with printheads installed will be treated as static sensitive accordin
64. e is replaced re install the cover Printhead Adjustment Refer to section on Testing and Troubleshooting 2 3 ELI 100 Exterior Inspection Visually inspect the entire instrument for wear maintenance damage corrosion deterioration and damage resulting from dropping Interior Visual Inspection Check components wiring solder joints and printed circuit conductor patterns Check all connectors for loose bent or corroded contact points Check wire harnesses and cables for signs of wear or deterioration Inspect sleeve and tubing for proper installation or evidence of damage Inspect components and their leads for security of mounting deterioration or leakage Check terminals and connections for proper installation failed soldering loss or wear Inspect PCB surfaces for charring cracking or brittle s Note Some degree of discoloration of the PCB surface may be expected due to continued exposure to the operating temperatures of some of the components Check the identification nameplate and other decals for legibility Inspect chassis covers and brackets for warping bending surface damage or missing captive hardware Check all screws and nuts for tightness or signs of stripped or crossed threads Check for damage traces on PCBs Look for lifted conductors and inspect for breaks scratches nicks or pin holes Check for any other form of mechanical damage in which may indicate a failure If during the process of no
65. e line voltage If it does not check across the AC power switch terminals that the blue and violet wires connect to then check across the black and red white wires connect that plug into the other set of switch terminals If the voltage is present at the black and red yellow wires replace the switch If not then replace the AC connector assembly If the voltage is present across the blue and violet wires continue Connect the negative lead of the multimeter set up for DC volts to the anode of D 15 Connect the positive lead to the cathode of D19 Approximately 20 VDC should be present If not replace the circuit board Connect the positive lead of the meter to either side of R18 5 VDC 0 25 VDC should be present If not replace the circuit board 2 0 AC On Across Top of LCD or Faint Illumination of Pixels 8 2 Section 8 3 0 4 0 5 0 2 1 Remove power from the unit Connect the test LCD to J1 and turn on the AC power switch If the CHARGING or AC POWER message comes up replace the units LCD assembly If not replace the circuit board 2 2 With a multimeter set up for DC volts measure between the anode of 015 neg lead and either side of R18 pos lead The voltage should be 5 0 0 25 VDC If not then replace the circuit board DC On Battery Low Message Appears on Display NOTE 3 1 3 2 NOTE 3 3 Battery voltage should be measured with the unit on so that batteries are u
66. e this to Sample Trace 1 Check for drift on the same noise trace from the start of the trace to the end of the trace The total drift from time zero to time 10 seconds shall not exceed 1 mm Disconnect the shorting plug and connect the Patient Cable and ECG Simulator Also press the EX key to display the main menu ECG Keyboard and Cable Test Press the mm mV key on the Main Menu to display 20mm mV Press the ECG key Press NO to the New Patient question Acquiring ECG analyzing ECG saving ECG appears on the LCD followed by a printout of Trace 2 To insure that the printhead is aligned properly check the left hand edge of the 3 calibration pulses for variation of greater than 1 mm from the lower left edge of the top pulse to the lower left edge of the bottom pulse Check the height of the calibration pulse At 20mm mV it should be equal to exactly 4 large boxes Specifically check the ID number to see that it corresponds to the numbers entered Look at the last name and first name to see that all of the letters are entered and check the HR value to see that it corresponds to the value set on the simulator 60 BPM then check the ECG waveforms for all 12 leads against the Sample Trace 2 Noise between each complex should not exceed 1 5 mm 1 1 2 small red boxes from peak to peak amplitude Check for correct date and time on the lower left corner and check for the Printing Sequence number and Software version i e v10 88 on the lower
67. eaning AN WARNING Ventilate work area thoroughly when using solvents Observe manufacturers warnings on solvent containers with regard to personnel safety and emergency first aid Be sure that first aid equipment is available before using chemicals Observe shop safety and fire precautions Ventilate all work areas where solvents are used Store solvents and solvent soaked rags in approved containers Refer to manufacturers instructions on containers for recommended fire fighting procedures and make sure that fire fighting equipment is available Magnetic Cleaning AN CAUTION Do not use solvents to clean transformers or inductors The chemical action of solvents may remove the varnish from the wire coils rendering the components useless The solvent also neutralizes the adhesive of the cover tape resulting in eventual tape separation from the windings Clean transformers and inductors with a dry non metallic soft bristle brush Printed Circuit Board Cleaning Clean assembled parts with a vacuum cleaner or low pressure compressed air 60 psi Take care when cleaning printed circuit boards that wires or component leads are not bent back and forth in such a manner as to weaken them and cause them to eventually break Prior to soldering clean surfaces with a nonmetallic soft bristle brush dipped in solvent Dry with low pressure compressed air 2 2 Section 2 Metallic and Plastic Parts Cleaning
68. ehh cete te ene te aii aati ded daten dH 3 7 Keyboard ette de e err cueste teet gest m pes cede 3 8 Interconnection Diagram i iem ere Getestet iet deste pans 3 9 4 Completed Final Assembly 4022444 0 0 0 4 2 4 b Assembling Modem 4 3 4 Modem Installation ere tee iet ee teet 4 4 4 Label Placement on Writer 4 5 4 Serial Number and Part Number Label Placement on Bottom of Unit 4 6 4 f Label Placement on Unit eric tn tna heb tete ete St gap is 4 7 4 g Label Chart zur kama AE ate 4 7 4 h Ground Label Placement on 4 8 44 Cover on Base Installation 4 9 4 j Writer Door 4 10 4 k Writer Installation 4 11 4 LCD and Keyboard Installation 4 12 4m Tape Placement a me Ea i ra Ee nee 4 13 5 Complete Base 5 2 5 Installing Tie DOWNS seniii a e a a a a a a
69. erance It should be 100 mm 2 mm Compare this to Sample Trace 5 Also compare the characters printed at the top of the printout consisting of the message AMPLIFIER OK date and time and a list of alphanumeric characters including special characters This concludes the writer self test If the unit is left in the test mode it will automatically generate a SELF TEST printout once an hour During this time no keys pressed except for the ON OFF key will be acknowledged The unit will beep when a key is pressed but will not respond in the normal way In order to leave the test mode the power must be turned off or the STOP key pressed This concludes the Performance Tests Description of Leakage Tests NOTE Measures the Safety Ground at any exposed metal part of the ELI 100 except RS232 connector pins Leakage Tests Must be performed whenever the PCB assembly Ac connector assembly AC switch assembly or the Writer are removed and replaced Tests should be performed using an AC variac adjusted to 1090 over the normal line voltage Earth Leakage Current Measurement This test measures the leakage from the AC input circuitry to the earth ground connection of the unit Test both normal and single fault conditions as well as reversing the line polarity Worst case readings can not exceed 100 8 12 AC MILLIVOLTMETER PREFERRED FORM AC MILLIVOLTMETER 100 0 015 uF b ALTERNATE FORM Fig 8
70. essage appears but characters are See Diag 2 0 missing with or without spaces between AC On Any other message is displayed other than See Diag 2 0 charging DC On Battery Low message appears on display See Diag 3 0 DC On No response when key is pressed See Diag 4 0 DC On Bar across top of LCD or faint illumination of pixels See Diag 2 0 unit stays on DC On Bar across top of LCD or faint illumination of pixels Replace circuit board unit shuts off Self test fail error message or unit locks up in any display Replace circuit board mode Cannot access clock menu or change date and time Replace circuit board Noise drift test failure Replace circuit board Keyboard test No response to key press no audio Install test keyboard If it still fails replace circuit board Keyboard test Key press response on display but no See Diag 5 0 audio ECG test Will not recognize leads or excessive noise Replace circuit board ECG test Communication error Replace circuit board 8 1 ELI 100 Fault Isolation Table continued ECG test Locks up or will not complete analysis no interpretation printout Won t save ECG Fails calibration pulse alignment Writer test Printhead too light or too dark or uneven Writer test Gaps in printing missing dots or no printing at all Writer test Unit shuts down or motor drive stops when trying to print Writers test No mo
71. et 3 of Motherboard Schematics 7 8 Section 7 m 7727 natesno 5 AT 155454445 4 t 18 F wu 212535 18418 ttt 11 344444444444544 i i i 12 39649555 Figure 7 h Sheet 4 of Motherboard Schematics 7 9 ELI 100 AC POWER SWITCH AC INLET AND p 4 VOLTAGE SELECTOR ATE N LDK rw 1 ni BLACK H PURPLE A bo H SA ee ws sees AC POWER INPUT y 5 a EE 5 5 E MAE 1 GREEN YELLOW BROWN 111 i 3 1 2 TURNS ORANGE Ein M 1 1 1 10 RED 2 2 x 1 YELLOW 414 GROUND LLIG NC 1 FERRITE CURE I2 o ND koe cn ON PCB m 4 120V SETTING SHOWN rur Ba TRANSFO AC VOLTAGE SELECTOR Al POWER TUMBLER SETTING cl SWITCH 100 120V 220v 240V INTERCDN CLUSED OPEN CLUSED OPEN B C OPEN CLOSED OPEN CLOSED C D CLOSED CLOSED OPEN D E DSED CLOSED CLDSED CLDSED peen OPEN FUSE BLACK BLACK N N V V vt 2 BATTERY BATTERY BATTERY I LAH JAH JAH te I _ ic Cc Cc N AN AN BLACK
72. g to MIS 01 001 00 Attach the Thermal Printhead Item 1 to the Floating Cover using two Shoulder Screws Item 2 and two Sems Screws Item 6 See figure above for location of each set of two screws Affix four Rubber Washers Item 17 to the bottom of the Chassis 6 4 Section 6 Figure 6 d Installing E Rings to Cover Retain the Cover Assembly with four E Rings Item 15 Place two E Rings in the grooves nearest the inside surface of the Cams Place two more E Rings at the ends of the Main Pivot Shaft AN Check whether the Spring Functions correctly and does not contact the Main Cover when it is opened and closed ELI 100 Figure 6 e Installing the Main Pivot Shaft Hold the Main Pivot Shaft Item 27 with the end with three grooves toward the motor side of the chassisassmebly Slide the Main Pivot Shaft through the pivot hole in the main cover assembly Through the pivot hole in the main chassis through a Cam Item 37 with its notch placed in a matching notch in the main cover and though both ears of the spring bar Then insert it through another Cam Item 37 with its notch in the matching notch on the main cover out through the chassis pivot hole and through the pivot hole in the cover assembly 6 6 Section 6 Figure 6 f Installation of Spring Bar Insert the Spring Bar Item 36 from the inside of the chassis into slots near the pivot end of the chassis assembly 6 7 ELI 100 Figure 6 g I
73. here is a corresponding step on the 96 Pin Din Connector on the MPM Circuit Card Place the clamping bar onto the assembly fixture by sliding the clamping bar over the large guide pins Stepped groove on the clamping bar must match the step on the 96 Pin Din Connector e Place the entire fixture into an arbor press e Rest the arbor press ram on top of the connector assembly fixture clamping bar Note A minimum pressing force of 1 5 tons is required for pressing the connector into the MPM Circuit Card e Use the arbor press to press the connector into the MPM Circuit Card so the supports on the 96 Pin Din Connector are flush with the MPM Circuit Card Remove the MPM Circuit Card from the fixture e Soldering the connector will not be required because of the tight fit accomplished by using the press fit mothod For 26025 005 51 assembly only do not install R6 R8 R10 and R12 Place the assembled board into a static protected bag 7 12 Section 7 REF DES xt Y ui 1325 1575 1325 500 425 us 375 1675 ua 3225 1850 2375 1850 uii 2350 400 3225 400 2375 1100 914 3225 1100 375 1175 BOTTOM SIDE COMPONENTS ci cio ei C14 15 C16 0832415 888084888 5852518238098 2125 875 2125 ses 2125 150 1200 1675 1800 500 650 930 950 1925 350 1425 2100 450 1200 1930 2100 2115 2505 1275 BOTTOM SIDE CO
74. hrough the hole in the grounding gaskets and through the matching holes in the main cover Retain the shaft with two E Rings Item 15 inserted into the grooves on the end of the shaft 6 10 Section 6 Figure 6 j Detail of Spring Set the torsion spring as shown in view above making sure that the spring is against head of post in latch bar ELI 100 PIVOT Figure 6 k Installing Latch and Springs Place the Main Cover Item 41 upside down on the bench with the pivot side near you Attach two Extension Springs Item 24 to main cover as shown On the left side insert a Mandrel Spacer Bearing Item 22 with its flange to the outside into the mating hole near the rear of the main cover Over the mandrel spacer and inside of the main cover place the Plastic Washer Item 9 Place the Latch Item 34 with its hooks facing toward the pivot side inside of the main cover over the mandrel spacer bearing and against the plastic washer 6 12 Section 6 Figure 6 Installing Slide Shaft Bearing and Spring Insert another Mandrel Spacer Bearing Item 22 with its flange to the outside through the hole on the side opposite the other mandrel spacer bearing Place the Torsion Spring Item 25 inside of the main cover and over the mandrel spacer bearing with its ends oriented as shown Slide Shaft Item 28 through the entire assembly 6 13 ELI 100 Figure 6 m Lower Chassis Complete 6 14 Secti
75. iated by pressing CONTINUE Examine the ramp on the printout It should be a smooth 45 degree diagonal line which extends across the entire grid portion of the paper without any gaps or uneven darkness areas If there is a problem check that all four printhead mounting screws are tightened evenly and that the front of the printhead is flush with the front of the mounting plate If the problem persists possible causes could be A The printhead B The platen or the mechanical alignment of the writer chassis replace the entire writer 6 0 Writer Test Gaps in Printing Missing Dots or No Printing at All 6 1 6 2 Refer to step 5 0 in order to check printing quality If there are sizeable gaps in the ramp or no printing at all check the head power data ribbon cable REF 25018 0114 This is the 30 conductor cable which plugs in between the board and the head If the cable has no shorts opens or damaged connectors then the problem could be caused equally by either the printhead or the circuit board If there are individual dots missing however the printhead is at fault In order to isolate the problem to the printhead or the circuit board an oscilloscope is needed First check the batteries to verify that the combined voltage is greater than 18 VDC Then check pin 2 of Q16 with a multimeter and verify that VH is present greater than 18 VDC when the writer is running Next using an oscilloscope check U20 pins 11 through
76. ide 7400 005 12 4 Bumper Round Screw Mount 5 8 x 9 32 7450 002 13 2 Screw M3 x 8 W 2 Captive Lock Washer 6024 004 14 5 Screw Phillips Panhead M3 x 6 6020 430 15 2 Stand Off 14 x 34 48 32 Aluminum Female 6180 055 16 2 Washer Lock Split M4 6105 040 17 2 Screw Phillips Fillister 8 32 x 5 6000 800 18 4 Screw Phillips Panhead x 5 Zinc Plated 6020 530 20 1 Mylar Shield 8040 023 01 21 1 Fuse Type T 250V 2A 5 x 20mm SLO 4021 004 22 1 Fuse Carrier 5 x 20mm Black 4115 004 23 1 Label Set CE MDD 12000 060 50B 2 Cable Tie Screw Mounting 4 5 x 10 7495 004 27 2 Screw Phillip Fillister M3 x 8 6020 830 28 Section 5 5 1 Figure 5 a Complete Base Assembly ELI 100 5 2 Section 5 Figure 5 b Installing Tie Downs Install Cable Ties Item 9 as shown Install completed battery assembly using 2 Screws Item 18 and 2 Lockwashers Item 17 Install Tie Wraps Item 27 around wires from battery to board with Screws Item 28 5 3 ELI 100 PIN 1 RED WIRE 210 PIN 2 BLACK WIRE CUT ITEM 12 TO DIMENSIONS SHOWN Figure 5 c Labeling and Assembly of Batteries Place labels from Label Set Item 24 onto battery bracket as shown The connection diagram label is 12000 060 04 and the disconnect label is 12000 060 02 Refer to Final assembly for items B and C and label set Cut Tape Item 12 to dimensions shown Place tape inside
77. ing tab hole locations Notes board C 2 Appendix C Fig C d Installation of Connectors Insert connectors Item 2 into printed circuit board holes and solder in place as shown C 3 ELI 100 C 4 II Mortara Receiver Module MRM 2500 PCB Ref 26125 002 50 Fig C e Mortara Receiver Module MRM 2500 Printed Circuit Board Assembly Complete Ref 26125 002 50 Appendix C Fig C f Installation of Connectors Insert BNC Connectors Item 1 as shown connectors must be completely seated before soldering Solder BNC pins to MRM II printed circuit board on opposite side of the board C 5 ELI 100 Fig C g Installation of MDC 2500 Assembled Printed Circuit Board 012 50 through the mounting Insert the pins of the MDC 2500 assembled printed circuit board Item 2 Ref 26025 holes on the MRM II assembled printed circuit board Item 3 Ref 26025 013 50 MDC 2500 board must be completely seated before soldering Solder pins on the opposite side of the MRM II printed circuit board C 6 Index Index 1 0 AC On Blank LCD No Pixels Illuminated 8 2 12V Programming Supply 3 6 2 0 AC On Bar Across Top of LCD or Faint Illumination of Pixels 8 3 3 0 DC On Battery Low Message Appears on Display 8 3 4 0 DC On No Response When DC ON Key is Pressed 8 3 5 0 Writer Test Printing too Light or Too Dark or Uneven 8 3 5V Back up Supply 3 6 5V Logic Supply 3 5 6 0 Writer Tes
78. it card which has U1 located on it The 96 Pin Din Connector must be on the same side of the MPM Circuit Card as Be very careful not to bend any of the pins on the 96 Pin Din Connector Be sure the all of the pins of the 96 Pin Din Connector are into the holes on the MPM Circuit Card Temporarily turn the MPM Circuit Card over to see that each pin on the connector is properly located in the MPM Circuit Card holes Place the MPM Circuit Card along with the 96 Pin Din Connector onto the MPM Connector assembly fixture The MPM Circuit Card must have component U1 and the 96 Pin Din Connector facing up when the card is placed onto the fixture There are two mounting holes on the 96 Pin Din Connector that are in line with two holes on the MPM Circuit Card Place the MPM Circuit Card onto the connector assembly fixture so that the small locator pins on the connector assembly fixture slide through the 96 Pin Din Connector and the MPM Circuit Card mounting holes The MPM Circuit Card should be situated so that the large mounting hole which is located opposite the 96 Pin Din Connector is resting on the support screw of the connector assembly fixture Be sure all of the connector pins are properly registered in the MPM Circuit Card holes before trying to press the connector with the arbor press e Look at the clamping bar that was removed from the connector assembly fixture Note that there is a grooved step on one side of the clamping bar T
79. l Data to Printhead 14 GND Chassis Ground 15 LATCH Printhead Data Latch Signal 16 GND Chassis Ground 17 HCLK Printhead Data Clock Signal 18 GND Chassis Ground 19 STB2 Strobe 2 20 STB1 Strobe 1 21 STB4 Strobe 4 22 STB3 Strobe 3 23 STB6 Strobe 6 24 STB5 Strobe 5 25 STB7 Strobe 7 26 GND Chassis Ground 27 RTHERM1 Thermistor Connection 28 RTHERM2 Thermistor Connection 29 VCC Printhead Logic Power 30 VCC Printhead Logic Power Connector Pin t Name Description J2 1 V2 Patient Lead 2 V3 Patient Lead 3 V4 Patient Lead 4 V5 Patient Lead 5 V6 Patient Lead 6 SHIELD Isolated Ground 7 NC 8 NC 9 RA Patient Lead 10 LA Patient Lead 11 LL Patient Lead 12 V1 Patient Lead 13 SHIELD Isolated Ground 14 RL Patient Lead 15 NC Section 3 ELI 100 LCD Display Interface Connector Pin Name Description J1 1 GND LCD Signal Power Return 2 VCC 5V Power to LCD 3 CONTR LCD Contrast Voltage 4 RS LCD Register Select 5 RW LCD Read Write Control 6 E LCD Enable 7 BDAT8 Data Bus Signal 8 BDAT9 Data Bus Signal 9 BDAT10 Data Bus Signal 10 BDAT11 Data Bus Signal 11 BDAT12 Data Bus Signal 12 BDAT13 Data Bus Signal 13 BDAT14 Data Bus Signal 14 BDAT15 Data Bus Signal Spare Slot Connector Pin Name Description J7 96 Pin Connector Refer to Schematic MPM Board Slot Connector Pin Name Description J5 96 Pin Connector Refer to Schematic Keyboard Interface Connector Pin Name Description J4 1 Row 1
80. l Placement on Unit LABEL SET ASSEMBLY USED UN ITEM P N 12000 050 50 34000 015 33999 003 41000 010 PART NUMBER LOCATION XXXX 50 50 52 2000 060 01 REAR BASE X ALL 2000 060 02 BATTERY BRACKET X ALL C 2000 060 04 BATTERY BRACKET X ALL D 12000 060 05 PAPER TROUGH X ALL E 2000 060 08 REAR W MODEM FCC X D F 2000 060 09 REAR MODEM x ALL G 2000 060 06 SERIAL REF X ALL H 2000 060 07 ECG INPUTS X ALL I 2000 060 03 FUSE ALL J FUSE ENVELOPE LABEL TAPE TU TOP OF UNIT K 12000 060 10 MODEM W O FCC X L 12000 080 1 1 MRM 2500 W FCC x D M 12000 060 12 MRM 2500 W O FCC X CE I N 12000 060 13 MRM 815 FCC X D P 12000 060 14 MRM 915 W O FCC x I D DOMESTIC I INTERNATIONAL OUTSIDE OF EUROPE CE CE EUROPE COMMUNITY ALL ANY ABOVE 4 7 ELI 100 Fig 4 g Label Chart 1 2 REF Figure 4 h Ground Label Placement on Unit Install Protective Earth Ground Label adjacent to ground post as shown above Refer to parts lists on page 1 this section 4 8 Section 4 11 DOMESTIC INTERNATIONAL Figure 4 i Cover on Base Installation see notes on next page 4 9 ELI 100 Assembly notes Attach the following cables from the cover to the base in the following order Connect cable from the cover LCD Display to J1 on the base printed circuit board Connect cable from the cover Keyboard to J4 on the
81. lways be worn when working with static sensitive devices and in a static sensitive area 7 1 ELI 100 Motherboard Ref 26025 002 50 2 a 58 2 ce Chea 1 5 625 82 99527 a Hot A o cs sale J 4 5 E TC 958 e ede ea rear 99 zal Figure 7 a Motherboard Current configuration revision letter of the printed circuit board will be permanently marked in this area See assembly notes and details on the following pages 7 2 Section 7 5699 5068 1413 07 6 Sort 905101 606 0055 6261 506 Sets 5055 55 5 5555 0599 86 01 080 sect oses otoc 5655 ores esca 0558 oet 0 26 5502 5512 5522 0 0992 652 5226 552 5625 085 Sose 8661 5992 0861 662 sore oate 5525 0982 5291 5029 0516 SSre 5049 ores 558 0599 0212 085 Sore 602 509 5806 508 5226 5056 0002 8021 5551 55561 sset 5625 0861 554 50 8022 o8tff 0505 5022 555555 tan oan sin ein sin stn vin gin ein LA rz 21 221 121 ms 145 195 530 438 9 11 52 ssia 0089 551 9061 529 55 1 60 2 0862 52
82. ly level Although the manual includes parts lists mechanical assembly parts and printed circuit board information it is intended to function primarily as a guide to preventative and corrective maintenance and electrical repairs considered field repairable User Safety Information Periodic Safety Inspections Follow the recommended maintenance schedule Inspect the power cord and transmission cables periodically for fraying or other damage and replace as needed Broken or frayed wires may cause interference or loss of signal Pay particular attention to points where wires enter connectors Proper Power Cord Use only the power cord specified for the equipment This product requires a three wire 18 gauge SJT grade power cord which is supplied with a three terminal polarized plug hospital grade for connection to the power source and protective ground Use only a power outlet with a protective ground outlet An interruption of the grounding connection could cause an electrical shock hazard Proper Fuse Use only the fuse specified for the equipment identical in type voltage and current rating Substituting a different fuse type could cause a fire hazard Always make sure fuses have been installed before operating the unit Do Not Operate in Explosive Atmospheres Do not operate the ELI 100 in the presence of flammable gasses or anesthetics this environment could cause an explosion Refer to Operator s Manual Safety Information
83. memory will be lost Introduction This section provides servicing and maintenance instructions for the ELI 100 interpretive electrocardiograph Subsequent parts of this section are disassembly inspection techniques cleaning techniques and installation Recommended Cleaning Supplies 14 Anti static mat amp wrist band properly grounded Clean lint free cloth Cleaning solvent isopropyl alcohol 9946 pure DRY low pressure compressed air 30 psi Electronic safe non residue solvent such as Flux off Masking tape Non metallic soft bristle brush Naphtha Vacuum cleaner Static Safe List of Repair Materials Screwdriver Philips 2 Screwdriver flatblade Nutdriver set standard Multimeter Oscilloscope Note The equipment and solvent mentioned above are standard shop commodities that are available from commercial sources If in the performance of normal maintenance or repair the PCB assembly AC connector assembly AC switch assembly or writer assembly are removed or replaced a leakage test should be performed See section on testing 2 1 ELI 100 Cleaning and Inspecting Techniques This section contains instructions for periodic cleaning and inspection of the instrument as preventative maintenance measures It also contains specific cleaning procedures to be conducted after disassembly Parts having identical cleaning procedures are grouped under common headings No special tools are required Interior Cl
84. nder load Battery power only With a multimeter set up for DC Volts measure across each individual set of battery terminals The voltage should be 6 0 VDC minimum If it is between 4 0 and 6 0 put the unit on charge Otherwise replace the low battery Connect the negative lead from the meter to the anode of D15 and positive lead to the cathode of D19 The voltage should be 18 0 VDC minimum Disconnect one of the battery leads and connect a DC ammeter in series The keep alive current should be less than 500 pA If it is greater replace the circuit board If the batteries are disconnected any ECGs stored in memory or any special set up parameters including date and time will be lost Press the keyboard DC ON key If the unit comes up in the set up menu exit to Main Menu Check for the battery low message DC On No Response when DC ON Key is pressed 4 1 4 2 Refer to Section 3 0 for battery testing and keep alive current measurement If the batteries check out good and the current is below 500 uA check the voltage on either side of R300 It should be approximately 4 4 VDC Press the DC ON key the keyboard The voltage should rise to 5 0 VDC 0 25 VDC If it does but nothing is visible on the display then substitute the test LCD to verify whether or not the LCD in the unit is working If the test LCD remains blank try pressing some of the keyboard keys and listen for the key click from the speaker
85. nstalling Slider Plate Turn the cover assembly over Attach the Anti friction Teflon Tape Item 30 to the main cover as shown above Tape must be kept 3 16 away from the slotted holes Place the hooks on the Alider Plate Item 39 over the rear edge of the main cover and then snap it down over the latch posts Make sure the latch and floating cover function freely with no binding 6 8 Section 6 Figure 6 h Installing Alignment Deflector Shaft Retain the float cover to the main cover asssembly with two E Rings Item 15 pressed onto the inside grooves of the shaft Hook the other end of the springs attached to the main cover onto the posts on the float cover Slide another Alignment Deflector Shaft Item 28 trough the other plastic bearings in both sides of the float cover Retain it with two E Rings Item 15 inserted into the grooves near the ends of the shaft 6 9 ELI 100 Figure 6 i Installing Floating Cover and Grounding Gaskets With the Floating Cover Item 38 upside down place the holes without the bearings over the ends of the shaft in the main cover assembly The shaft may have to be moved from side to side to allow the float cover to go on Position the Grounding Gaskets Item 47 between the main cover and the floating cover flanges with their holes aligned with holes in the floating cover and the main cover Pass an alignment Deflector Shaft Item 28 through the plastic bearings in the floating cover t
86. o the J1 connector on the main system board as the top cover is being placed on the unit Patient Input The patient cable is connected to the J2 connector on the left side of the unit This is a 15 pin subminiature D female connector Patient signals are input to a propriety Front End module FE1 mounted on the main system board The Front End module samples the input signals and digitized data is transmitted via synchronous serial data stream to the MPM for processing storage and printing Spark gap 501 and resistor R24 allow a path for ESD currents applied to the patient inputs R25 provides a very low current discharge path to prevent build up of excess charge on the cable shield Speaker Interface The speaker SP1 is a piezo element mounted on the main system board and driven by Q14 R35 and R30 The CH15 signal from the MPM provides the waveform under software control to drive the speaker Key click volume setting is accomplished by altering the frequency duty cycle and or duration of pulses to the speaker Power Management Circuit The power management circuit U12 U13 U16 and associated components control power flow in the ELI 100 This circuit provides the following functions e Keyboard power on support 5V VCC Logic supply power ON OFF control Hardware watchdog The keyboard power on circuit senses the depression of the keyboard ON OFF key and turns the 5V logic supply ON This circuit is powered from
87. on 6 Figure 6 n Completion of Lower Chassis Orient the Shelf Item 35 with its flange toward the platen Place the Brush Item 32 with its bristles up on the front of the shelf and fasten them together with a Flathead Screw Item 4 inserted into the center hole in the brush Then fasten both to the front of the chassis with two more Flathead Screws Item 4 Lay the motor cable out the back of the chassis Be sure that it is laying flat and will not kink when the paper trough is placed on top of it Check the motor connector position The connector must face down Place the Paper Trough Item 42 into the rear of the chassis with its mounting ears toward the platen Slide the Spring Item 23 onto the Spring Pad Item 33 on the side away from the gears and place it between the chassis and the paper trough Place the other Spring Pad Item 33 between the paper trough and the chassis on the side toward the gears Place a washer Item 11 between the paper trough and the spring pad on the side away from the gears Secure these parts with 2 screws with 2 Captive Washers Item 5 one inserted into each side N Leave screws loose until final assembly test is done as described by Fig 6 b 6 15 ELI 100 5 Figure 6 o View of Bottom of Paper Trough Ta
88. pe motor cable to the bottom of the paper trough with a piece of strapping tape approximately 2 long 6 16 Section 6 Figure 6 p Installation of 48 Tooth Gear Install the 46 Tooth Gear Item 18 on the motor with the hub towards the motor Gear teeth must be akigned with the large gear for maximum engagment Secure in place using a Set Screw Item 7 The set screw must engage the flat portion of the motor shaft AN Set screws for the gear must be tightened with a torque tool Required torgue is 4 1 pound inches Make sure the gear does not drag on motor retaining screws 6 17 ELI 100 Figure 6 q Installation of Platen and Gears Place the Platen Item 29 in the chassis with the longest end of the shaft on the side with the motor Next place the flanged Bearing Item 21 on the side of the platen away from the motor with the flange to outside of the chassis Then install the following Spacer 015 Thick item 14 Spacer 125 Thick Item 15 Spacer 015 Thick item 14 Unflanged Bearing Item 20 Spacer 015 Thick item 14 E Ring for 187 Shaft Item 16 Next mount one Flanged Bearing Item 21 on the motor side of the platen with the flamge to the outside of the chassis Then install the following Spacer 015 Thick item 14 Spacer 125 Thick Item 15 Spacer 015 Thick item 14 Unflanged Bearing Item 20 Washer 3mm x 9mm OD Item 12 Washer 3mm Flat Item 11 Gear 64 Tooth Item 19 Use
89. powered on via the keyboard ON OFF key when operating from batteries alone The keyboard itself is mounted on the top cover with the interconnect cable extending through a slot to the inside of the cover The cable must be plugged into the J4 connector on the main system board as the top cover 15 being placed on the unit The keyboard grounding plate is installed on the inside of the top cover at both the right and left sides of the keyboard With the cover installed on the unit the plate contacts both the keyboard backplate and the chassis to provide an affective path for conducting Electrostatic Discharge ESD pulses away from sensitive circuitry LCD Interface The electrical interface to the LCD display is accomplished through the J1 connector on the main system board Interface signals CH6 CH5 from the MPM and CS LCD from the ISOLINK U7 are the LCD Register Select Read Write and Enable signal respectively Series resistors R2 and RP1 form a filter with the cable capacitance to help reduce EMI emissions Resistors R4 and R6 set the contrast control voltage to the LCD display 3 3 ELI 3 4 100 The 2 x 40 character LCD display is mounted on the inside of the top cover with the cable extending to the left as the cover is viewed from the operator s normal viewing position The active area of the LCD display is visible through the protective plastic window directly above the keyboard The LCD display cable must be plugged int
90. put Port Install the roll of ECG paper Initial Set Up Note Insure a beep is heard every time a key is pressed during the performance Test Turn ON the unit s main power switch located at the rear The message CHARGING or AC POWER should appear on the LCD Press the DC ON key on the keyboard The message SELF TEST should appear momentarily on the LCD followed by Configuration Error followed by the first screen of the configuration parameters indicating the following AC STORAGE FILTER 60Hz FORMAT Illustration 1 Move through the options and set the default parameters as follows AC Filter Plot Format INT Plot Freg 100 Hz Units LB IN Baud Rate 38400 Phone Number 2 Auto Save ON po Press ENTER Site Cart Press ENTER four Copies 0 times Retrieve Serials 0 ID Format Long 12 PressENTER gt CH2 V1 CH3 V5 Site 12 Press ENTER Printhead Resistance Open writer door and note resistance marking on label Enter this value then press Enter Key click Medium 22 Press ENTER Table 2 After you enter the key click the LCD advances to the following CURRENT DATE AND TIME 00 00 00 00 00 NEW DATE AND TIME 00 00 00 00 00 Illustration 2 8 6 Section 8 Set the current date by entering the numbers in a mm dd yy format Enter the time using a 24 hour clock value Then press ENTER to display the following screen NEW DATE AND TIME 12
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92. rmal maintenance or repair the PCB assembly AC connector assembly AC switch assembly or writer assembly are removed and replaced perform the leakage test as describe in the section on Testing and Troubleshooting Preventative Maintenance Schedule Maintenance to be Performed Period Notes Clean and inspect unit 6 mo Perform every mo if unit is in heavy use Printhead cleaning 80 hrs Perform every 40 hrs if unit is being used with ELI XR Check printhead wire harness 160 hrs Printhead adjustment Adjust printhead when print head is replaced Leakage tests E Table 1 2 4 Section 2 Cover Assembly Removal Installation Open the writer cover and remove the six flathead screws securing it They are located at the front and on both sides of the unit near the bottom Lift the cover assembly gently and tilt it towards the right side of the unit as seen from the front Set the cover assembly on its right side Unplug the paper drive motor cable J6 of PCB the power data cable J9 of PCB the two keyboard cables J4 of PCB and the LCD cable J1 of PCB Remove the writer mounting screw that holds the ground wire Note Orientation for the J4 keyboard plug is as follows 12 is marked with 1 on one half of the flex tape This half of P12 goes to J4 pin 9 of PCB The other half of the flex tape is marked with 9 This half plugs into J4 pin of the PCB J4 pin 9 is adjacent to pin 1 Set
93. sary to perform the transmit receive tests then another ELI 100 which is fully functional is required For the direct transmit receive tests this unit must be available at the servicing site along with the proper interconnect cable For the modem transmit receive tests however the unit used for test may be located at a remote installation Leakage tests description and diagrams for class 1 category CF medical equipment are provided in section 9 0 These tests should be performed any time the writer the circuit board assembly the AC connector or the AC switch assembly are removed and replaced Any AAMI and or IEC approved Leakage tester may be used Equipment Required 10 Lead Bio Tek ECG 1 Simulator or Equivalent Patient Data Input Shorting Plug Resting Patient Cable with American Marking P N 9293 010 50 Roll of Thermal 4 ECG Paper P N 9100 004 Fully Functional ELI 100 with Baud Rate set at 9600 or 38400 for Direct Transmit Receive Test LCD Assembly P N 14000 004 for troubleshooting Test Keyboard for troubleshooting Digital Multimeter and Test Leads for troubleshooting Oscilloscope and Probes for troubleshooting Printhead Control Circuits Test Equipment Set Up Connect the ELI 100 to a Mains Power Source 120V or 240V making sure the 120V 240V switch located on the rear of the unit is set accordingly Connect the Patient Cable to the Simulator 8 5 ELI 100 Connect the Shorting Plug to the Patient In
94. ssage RECEIVE READY appears on the unit under test press the STOP key on the functional unit and turn it off Press the STOP key on the unit under test Press the SPF key followed by LIST DIR ECGs that have been transmitted should have an X under the XMT column Re program the original phone number and baud rate as described in step 1 10 11 Remove power from both units ELI 100 Writer Self Test Power up the unit from the keyboard and install a roll of thermal paper into the writer Press ALT and 0 simultaneously to access the CONF and CLOCK menu Press ALT and T simultaneously to initiate the self test The LCD will display ELI 100 SELF TEST MODE 210800 Illustration 17 The number displayed in the lower right corner of the LCD corresponds to the end address of memory If a faulty memory location is detected the address number of the location will be displayed in the center of the lower LCD line The contrast test consists of a sequence of six squares having closely spaced vertical lines In each square the lines should be placed so that distinct lines begin to be visible in the third square when a unit is printing at properly adjusted contrast The cal pulse at the bottom of the trace and the ramp should be of even darkness and there should be no gaps or light spots in the printing Measure the line at the end of the printout in order to ascertain if the paper drive motor speed is within tol
95. ssembly Procedure For Production of 41000 007 51 Modem Kit Domestic Remove the modem Closing Plate Item 15 located at the back of the unit from the base by removing the 2 Screws Item 8 Shown on next page e Attach new Label Item E and or K using caution to align the cutout for the phone jack and the clearance holes for screws e Attach the Modem Card Item A to the modem closing plate as shown with 1 Screw Item D e Slide the modem card and closing plate back into the assembly until the connectors mate and secure the modem closing plate back onto the assembly with the 2 Screws Item 8 4 8 ELI 100 Figure 4 c Modem Installation Modem Options Reference Bill of Materials 41000 007 50 Field Installed Modem Kit Domestic 41000 007 51 Factory Installed Modem Kit Domestic 41000 007 52 Factory Installed Australian Modem Kit 41000 007 55 Field Installed Modem Kit EC International 41000 007 56 Factory Installed Modem EC International 4 4 Section 4 Figure 4 d Label Placement on Writer shown See Label Chart in following pages Place Label Item D on writer as 4 5 ELI 100 LOCATE SERIAL LABEL 12000 060 06 AS SHOWN G Figure 4 Serial Number and Part Number Label Placement on Bottom of Unit Attach Serial Number and Part Number label G as shown above See Label Chart in following pages 4 6 Section 4 Figure 4 f Labe
96. t Gaps in Printing Missing Dots or No Printing at 8 4 71 0 Writer Test No Motor Drive 8 4 8 0 Modem Test No Dial Tone or Touch Tone Audio 8 5 Figures Table 1 Preventative Maintenance Schedule 2 4 Block Diagram AC Power 3 7 Keyboard Matrix 3 8 Interconnection Diagram 1 3 9 4 a Completed Final Assembly 4 2 4 b Assembling Modem Card 4 3 4 c Modem Installation 4 4 4 d Label Placement on Writer 4 5 4 e Serial Number and Part Number Label Placement on Bottom of Unit 4 6 4 f Label Placement on Unit 4 7 4 g Label Chart 4 7 4 h Ground Label Placement on Unit 4 8 4 i Cover on Base Installation 4 9 4 j Writer Door Installation 4 10 4 k Writer Installation 4 11 4 1 LCD and Keyboard Installation 4 12 4 m Tape Placement 4 13 5 a Complete Base Assembly 5 2 5 b Installing Tie Downs 5 3 5 c Labeling and Assembly of Batteries 5 4 5 d Installing Printed Circuit Board 5 5 6 a Complete Writer Assembly 6 2 6 b Addition of Date Code Label and Bench testing 6 3 6 c Installing Printhead and Copper Braid Cable 6 4 6 d Installing E Rings to Cover 6 5 6 e Installing Main Pivot Shaft 6 6 6 f Installation of Spring Bar 6 7 6 g Installing Slider Plate 6 8 6 h Installing Alignment Deflector Shaft 6 9 6 i Installing Floating Cover and Grounding Gaskets 6 10 6 j Detail of Spring 6 11 6 k Installing Latch and Springs 6 12 6 1 Installing Slide Shaft Bearing and Spring 6 13 6 m Lower Chassis Complete 6 14 6 n Completion
97. t 10 Maximum above surface of board After all components have been soldered to the board remove protective tape on piezo 5 1 See modification detail above Add R122 in series with R25 as shown The joint between resistors to have the leads bent fully around each other Then soldered Leads of R25 and R122 must be a minimum of 5mm 20 away from 501 Add cable tie around spark gap SP1 and resistor joint Do not tighten cable tie enough to bend leads Add mylar shield between transformer and parts above and to the left of T1 Secure mylar shield to the transformer using cable tie 7 5 ELI 100 7 6 Figure 7 e Sheet 1 of Motherboard Schematics Section 7 60000 e Figure 7 f Sheet 2 of Motherboard Schematics b id 7 7 ELI 100 1 era i gt _ R5 not be installed Provisional component only 4 ae a 3 T w j s m LS cmd 754 4 m mim m Umi m C 2 gt race tigu Mat n v 44 fe EEH Wim wm jog SS ses 0 Dee ee eee 00 PPT i A L i E t ost ne 1 ed j j nmn i 4 Figure 7 g She
98. t even printing across the entire trace 2 5 ELI 100 Paper Drive Motor Removal Installation The writer must be removed from the unit first Then remove the screws which hold the paper tray to the writer chassis Lift the paper tray part way Using a 1 3 mm Allen wrench loosen the set screw on the motor gear and slide the gear off the shaft Remove the two mounting screws which hold the motor to the chassis Remove the motor Reassemble in reverse order Note There are two different sets of threaded holes for the mounting screws One is metric and one is English Try the mounting screws on the motor first before attempting to install the motor Printed Circuit Board Assembly Removal Installation Disconnect all cables connecting the cover assembly J1 J4 J6 and J9 to the circuit board and set the cover aside Unplug the battery cables from J10 Remove the two screws which hold the battery tray to the base of the unit and remove the battery pack Unplug the AC input assembly J8 Remove the screw which mounts the processor module to the base and carefully remove the processor module from its mating connection J5 Remove the seven screws which mount the board Reassemble in the reverse order AN CAUTION When installing a new board remove the battery fuse from F1 first When all cables and the batteries have been connected to the board install the fuse Keyboard Removal Installation Remove
99. tch located on the back of the ELI 100 to the ON position 1 0 The message CHARGING or AC POWER will appear on the LCD screen If the message POWER remains on the display verify that the battery fuse is installed and functional If the battery fuse is installed and functional and the display indicates POWER the batteries are fully charged To fully charge an ELI 100 the unit should be plugged in for approximately 8 hours and when fully charged the LCD will display POWER and the ELI 100 will operate continuously for approximately 4 hours When approximately 30 minutes of continuous operation remain in the unit the message BATTERY LOW will appear on the LCD When this message appears printing is disabled thus avoiding total battery discharge Connecting the unit to AC makes it possible to generate printouts However it is recommended that you leave the unit in the CHARGING mode for some time before using it on battery power only Whenever possible especially following extended use the ELI 100 should be connected to AC Power and charged when not in use 3 8 Section 3 Interconnection Diagram 1 GROUND BATTERIES AC POWER INLET AND FUSES RS 232 HIGH SPEED SERIAL DATA J11 THERMAL WRITER PRINTHEAD DATA POWER MPM SLOT J3 DEBUG UNUSED ECG INPUT
100. teries Removal Installation Remove the cover as explained previously AN WARNING Removing the batteries or the fuse will cause a complete loss of stored memory Make sure that the battery fuse has been removed from of the circuit board Disconnect the battery leads by removing connector J10 from the circuit board Removed the two screws which attach the bracket to the tray of the battery pack Remove the bracket and the batteries 2 7 ELI 100 Disconnect the Battery Interconnect Leads Remove the Batteries AN CAUTION Be sure that the polarity of the batteries is correct In addition the batteries should be in series for a total voltage of 18V or more Use only Mortara replacement batteries Mortara part 4800 003 6V DC 1 Gel cell Reassemble in reverse order 2 8 Section 3 Technical Description Introduction The MORTARA ELI 100 is an advanced interpretive electrocardiograph system utilizing the latest electronic technology and software The ELI 100 offers 12 lead patient ECG monitoring a 2 line by 40 character LCD display a full function touchpad keyboard a 4 inch thermal writer for printing waveforms and interpretive data a real time electronic clock and calendar an RS 232 level serial communications port internal MODEM a high speed logic level serial communications port and internal power supply batteries and battery re charge circuitry The system utilizes CMOS digit
101. tor drive Writer test Motor drive erratic or noisy paper speed out of tolerance Leads fail tests No fail indication or constant fails indication Fails direct receive or transmit tests Fails modem receives or transmits tests No dial tone or touch tone audio during modem tests Diagnosis 1 0 Ac On Blank LCD No Pixels Illuminated Replace circuit board Is directory full Replace circuit board See 3 0 removal and replacement of printhead Check writer motor See Diag 6 0 See Diag 7 0 See Diag 7 0 See Diag 8 0 See Diag 8 0 Check Patient Cable for corrosion or dried gel deposits Check tightness of alligator clips then replace circuit board Check unit to unit cable then replace circuit board Check baud rates of each unit for matching rates Check phone line connections multiline dedicated line then replace circuit board See Diag 8 0 1 1 1 2 Remove AC and battery power from the unit Connect the test LCD assembly to J1 Turn on the AC power again and verify whether or not the problem is the LCD or one of the circuit boards Replace the LCD the processor module or the motherboard Check both line fuses for continuity and verify that the voltage selector is at the proper setting for the line voltage Disconnect the violet wire from J8 and the blue wire from J8 Connect a multimeter set up for AC volts across the 2 wires Turn on the AC power switch The multimeter should read th
102. voltage readings They should be as follows Approximately 2 VDC at 5 MM Sec Approximately 3 VDC at 10 MM Sec Section 8 Approximately 5 5 VDC to 6 VDC at 25 MM Sec Approximately 10 VDC at 50 MM Sec If the voltages are not present replace the main circuit board If they are too high 10 to 18 VDC at 5 MM Sec the problem is most likely an open wire in the cable or the motor Replace the writer motor assembly If the voltages are normal replace the writer motor assembly 8 0 Modem Test No Dial Tone or Touch Tone Audio 8 1 Perform the modem test as described in minimum performance testing section the modem transmission does not function replace the modem cord Performance Testing Introduction The test procedure is based on the factory Quality Assurance Final Test Procedure but it is not identical and need not necessarily be performed in the exact order in which the tests are listed However the troubleshooting guide in section 2 0 corresponds sequentially to the performance tests as far as the type of trouble symptoms which may be encountered Sample traces of tests which include a writer print out are provided in section 10 0 as an aid for diagnosis of problems Some of these traces were derived using the 10 Lead Bio Tek Model ECG 1 Simulator If a different simulator is used for performance testing the operator must be familiar with the correct waveform output of the type used If it is neces
103. xture Be sure all of the connector pins are properly registered in the MPM Circuit Card holes before trying to press the connector with the arbor press e Look at clamping bar that was removed from the connector assembly fixture Note that there is a grooved step on one side of the clamping bar There is a corresponding step on the 96 Pin Din Connector on the MPM Circuit Card Place the clamping bar onto the assembly fixture by sliding the clamping bar over the large guide pins Stepped groove on the clamping bar must match the step on the 96 Pin Din Connector e Place the entire fixture into an arbor press e Rest the arbor press ram on top of the connector assembly fixture clamping bar Note A minimum pressing force of 1 5 tons is required for pressing the connector into the MPM Circuit Card e Use the arbor press to press the connector into the MPM Circuit Card so the supports on the 96 Pin Din Connector are flush with the MPM Circuit Card Remove the MPM Circuit Card from the fixture e Soldering the connector will not be required because of the tight fit accomplished by using the press fit mothod For 26025 005 51 assembly only do not install R6 R8 R10 and R12 Place the assembled board into a static protected bag 7 15 ELI 100 7 16 ii p i MN s 1 13108 798 1 LON 04 15 500 52092 N d vsVIMOM 303 2 133SN LON OG
104. y 5 1 Parts List 43 Writer 6 1 Patient Input 3 11 Patient Input 3 4 Patient Leakage Current Measurement 8 15 Performance Testing 8 5 Periodic Safety Inspections 1 1 Power Management Circuit 3 4 Power Supply 3 5 Preventive Maintenance Schedule 2 4 Printed Circuit Board Assembly Removal Installation 2 6 Printed Circuit Board Cleaning 2 2 Printhead Adjustment 2 3 Printhead Cleaning 2 3 Printhead Removal Installation 2 5 Printhead Signal and Power Interface 3 3 Processing Module Assembly Notes Ref 26025 005 50 7 12 Processing Module Assembly Notes Ref 26025 005 51 7 12 Processor Module MPM 3 1 Product Information 1 2 Proper Power Cord 1 1 Proper Fuse 1 1 R Recommended Accessories 1 1 Recommended Cleaning Supplies 2 1 Rhythm Test 8 8 RS 232 Level Serial Port High Speed Serial Port 3 2 RS 232 High Speed Serial Data Port 3 10 S Schematic Sheet 1 7 5 Schematic Sheet 2 7 6 Schematic Sheet 3 7 7 Schematic Sheet 4 7 8 Schematic Sheet 5 7 9 Sterilizing this Product 1 2 Speaker Interface 3 4 Spare Slot 3 12 Service Manual Purpose 1 1 System Information Log 1 2 Symbol Delineation 1 2 T Testing and Troubleshooting 8 1 Test Equipment Set Up 8 6 Traces A 1 Transmit Receive Test 8 10 U Use Only Safe Methods of Interconnection 1 1 User Safety Information 1 1 W Writer Assembly Notes 6 3 Writer Self Test 8 12 Writer Control Power 3 11 Writer Interface 3 2 Writer Motor 3 10
105. y R88 C60 and received by U12 The motor encoder pulses cause this circuit to generate interrupts on IRQ6n to the MPM The interval between interrupts is a direct measure of the motor speed hence the writer paper speed The MPM must reset this circuit by pulsing signal R34n after each interrupt Section 3 Printhead Signal and Power Interface The printhead signal interface is accomplished through the Mortara propriety Thermal Printhead gate array TPH GA U2 Static RAM chip is used by the TPH GA in performing dot hysteresis control 020 simply buffers signals to the printhead while 5 forms a filter with the cable capacitance to help reduce EMI emissions The printhead cable 30 conductor ribbon cable plugs into connector J9 on the main system board power and control signals required for controls of the printhead are carried through this cable The strobe width adjust circuit U18 D16 D17 D20 D21 and associated circuits is designed to adjust the length of the print strobe based on changing conditions of printhead voltage and temperature Strobe time will lengthen as the printhead voltage VHEAD decreases Strobe time will also lengthen as printhead temperature as gauged by a thermistor on the printhead decreases The circuit attempts to match the delivered energy per pulse curve as specified by the printhead manufacturer This helps to ensure consistent quality printouts over a wide range of operating conditions

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