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Service Manual

1. 3 48 DOG EO acre cede pices E usu EE 3 49 VPT GER 3 49 Recorder and Control Block Checks 3 50 SELF TES FPRO NOT E 3 50 VERRE PA Ned 3 51 SELFTESFPRONO uer de 3 92 Calibration OF TOUCH TN 3 53 Board Unit Description 4C 1 MAIN BOANO uuu a Em 4 1 AE e d EE 4 5 FC PIE lee 4 5 DDO Ond MEP BIOCKS EE 4 6 DC c P M 4 6 MP ee 4 7 PEPE 4 8 NBP BO O EEE EEE ENE 4 9 Power Supply Block EH 4 10 KE DI EE EEE EE E NE EE 4 11 Recorder Module Option EEE 4 12 REC MAN Board EE 4 12 FONN E 4 13 Interface Option QI 231P rni d Pinos e al EC acd VR 4 14 ECG QRS Synch or Alarm Trigger Signal Output Block 4 15 Serial Data Communication Relay Block 4 15 RGB Relay BIOCK eR UU T iiaae N ennaii 4 15 Interface Option QI 236P EE 4 16 ECG and QRS Synch Trigger Signal Output Block 4 17 RGB Relay BIOCK EEN 4 17 Disassembly and Assembly 5C 1 Removing the Chassis E 5 1 Replacing the MAIN Board E 5 6 Replacing the Analog Board ue 5 10 Replacing ihe NIBP BA EE 5 12 Replacing the IBP Board M m 5 14
2. 9 13 CN0102 for Hall Sensor board 9 13 CN0103 for line frequency detection coil Wire 9 13 CN0104 for pediatric valve 9 13 CN0105 for safety circiut valve rrrrnnrrnanrrrrarnrrannrrnanrrrnrennnnrrnnnrennnnennn 9 13 CNOTOD p llfj eege 9 14 CN0107 ENN 9 14 CN0108 for adult valve nr 9 14 Ia re ME 9 14 CN001 for CN601 on Analog board 9 14 Service Manual BSM 2300 9C 1 9C 2 Op ration Board W 9 15 CN101 for CN0202 on MAIN board 9 15 CN102 for CN103 on Power SW board 9 15 FT e e E 9 16 CN0103 for CN102 on Operation board 9 16 MTP 9 16 CN1 for CNO802 on MAIN board nnn 9 16 CN2 for backlight PRE 9 16 Inverter IF Board for BSM 2351 2353 2354 Only 9 17 CN101 for inverter NN avreisen 9 17 CN102 and CN103 for backlight lamp 9 17 LCD IF Board for BSM 2351 2353 2354 Only 9 18 CN101 for MAI
3. 5 31 Replacing the IO ANALOG OUT or IO CT OUT Board of the Optional Interface 9 39 Service Manual BSM 2300 5C 1 5 DISASSEMBLY AND ASSEMBLY Removing the Chassis Block CAUTION e Turn off the instrument and disconnect the power cord from the instrument before beginning the disassembly procedure e Before placing the instrument on atable if its surface is dirty hard or rough cover the table with a clean soft and smooth material to avoid making the screen dirty and damaging the screen 1 Place the Instrument face down on the table as shown below lt When the recorder module is not attached to the instrument gt 2 la Remove the 3 screws from the bottom of the Instrument with a long Phillips screwdriver Separate the battery box enclosure from the Instrument and put the battery box close to the instrument because the battery cable is connected to the battery pack in the battery box 2 b Disconnect the battery pack from the battery cable and remove the battery box from the instrument When the recorder module is attached to the instrument gt 2 2a Remove the 3 screws from the bottom of the recorder module with a long Phillips screwdriver Refer to the figure in step 2 Separate the recorder module from the instrument and put the recorder module close to the instrument because the battery cable and two flat cables are connected between the recorder modu
4. 3 8 Calling Up the MANUAL CHECK MENU Screen 3 9 CPU Check Menu len vr 3 10 aa Re dq 3 10 niece e 3 11 Hard EEE c m 3 12 Touch Key E 3 13 Ond E 3 14 ALARM INDICATOR Check a a a 3 15 OTHER CHECK EE 3 16 LES 3 17 Backlight CHECK REEL 3 18 CRTC Check Menu ltems und Ea seeussunedsedetseducuees 3 19 GRAPHIC MEMORY Check and CHARACTER MEMORY Check 3 19 GRAPHIC DRAW Check EE 3 20 CHARACTER DRAW CE EE 3 22 IMAGE DRAW GCh e 6kK EE 3 24 DPU Check Menu ltems d tuo atas en dad neues 3 25 DA ADIU PT u u uu EEE 3 25 DIESEN 3 26 PIPIN u 5 mu E sss Jer NIBP Ek 3 28 DPU ROM CHECK NG 3 38 PUR e IGC E 3 39 POWO FREG E 3 40 APU Check TENT ES ai 3 41 APU ROM ENN 3 41 PRE 3 42 COM Check Menu Items cccccecccceeccceececeeeeeeeeeeececeseaeeeseuceseucessegeesseeesseeeesaaeeess 3 43 VERNE 3 43 PERLEN Ate ben 3 44 Service Manual BSM 2300 C 3 CONTENTS Section 4 Section 5 C 4 NETWORK CARD Check 3 45 BATTERY ek 3 47 MULTI PARAMETER UNIT Check
5. Program data flow in upgrade 4 12 Service Manual BSM 2300 4 BOARD UNIT DESCRIPTION Recorder Unit The recorder unit consists of thermal array head paper drive motor gears recorder chassis sensor board paper and mark detectors included and sensor control board The RACOON ASIC on the REC MAIN board allows the recorder unit to record the 3 channel waveforms vital sign list and trendgraph Since the thick membrane type thermal array head is used it does not require the adjustment of the supply voltage to the head The lifetime of the heating elements on the head is 100 million heating times stepping pulse motor is used as the paper drive motor The lifetime of the motor is approx 3 000 hours continuous operation When the paper detector or mark detector LED and phototransistor assembly on the sensor board is replaced with a new one the gain control VR on the sensor control board must be adjusted See Section 7 ADJUSTMENT Service Manual BSM 2300 4 13 4 BOARD UNIT DESCRIPTION Interface Option QI 231P The interface has the IO ANALOG OUT board Inside This board consists of the SJOJEdIPUI 31 indino 196614 pue 994 xyoel 59 DIYL abejjon Ajddns ir S HND4ID ndino Je66u 29593 1100 ZINNHDOA 0L00 1903 1000 0 440 LW H523 0000 L NO sindino 523 104 Bunes 4g uos 10 7 Eis 7 ei Q TI 9 ndino 18661 sch JOuoAuoo
6. 1 16 HET 16 ole c ERE T Em 1 16 Multi parameter Amplifier 1 17 Invasive Blood Pressure IBP 1 17 Respiration Thermistor method 1 17 Expired Carbon Dioxide Tension CC 1 17 Kir aee zio MR 1 18 Vital SIgn S DS e 1 18 Recorder Module optional WS 231P 1 18 EFN hj 1 19 Power Requirement 1 19 Clock Accuracy EEN 1 19 EE 1 19 Dimensions and Weight kk 1 19 Electromagnetic Compatibility 1 19 Salely SIAN WE 1 19 KEEN EEE EEE EEE EE sete 1 22 Pb 1 24 HIP l uuu E 1 24 ESPN hp vince dade nis EAEN ERE dese genes EAEN eae 1 26 BSM 2301A C K BSM 2303C K BSM 2351A C K and BSM 2353C K 1 26 BSM 2304A 2354A 1 27 lil iS EE 1 28 Storage and Le 60 NE 1 29 EE 1 29 VEN 1 29 Hard Keys and Soft GERE RE ERE EE EE 1 29 ETO EE UU uei 1 29 8 Y 1 29 Upgrading the System Soft
7. a EEN 2 13 QI 236P Interface ProblemS arar rrsrrrsssrarsssaaa 2 13 Service Manual BSM 2300 2C 1 2 IROUBLESHOOTING General Use the troubleshooting tables to locate identify and solve a problem in the Instrument The problems are divided into general problem areas Each category has its own troubleshooting table for fast and easy troubleshooting e Power related Problems e Display Problems e Sound Problems e Key Operation Problems e ECG and Respiration by Impedance Method Problems e SpO Problems e NIBP Problems e Temperature Problems e Other Vital Sign Input Problems e Option Problems e Recording Problems If these sections do not solve the problem contact your Nihon Kohden representative NOTE Before contacting your Nihon Kohden representative for technical support please provide additional detailed information on the problem This will allow your Nihon Kohden representative to provide you with the best support How to use the troubleshooting table 1 Determine which troubleshooting table to use 2 In the Problem column find the trouble item that matches the problem 3 Do the action recommended in the Action column 4 fthe problem is not solved do the action for the next possible cause or criteria 5 If none of the actions solve the problem contact your Nihon Kohden representative Service Manual BSM 2300 2 1 2 IROUBLESHOOTING Power Related Problems Th
8. 9 18 CN101 for MAIN board re 9 18 SR eg KO Da EE 9 19 mise sine dio 0 PEER EEE uqapas 9 20 CN101 for GN 102 on NIBP board 9 20 REG MAIN AN RT T 9 20 CN001 for CNO204 on MAIN board 9 20 CN002 for CN0205 on MAIN board 9 20 CN003 for CN103 on REC Power board 9 20 REC Koy 015 EE 9 21 CN201 for CN104 on REC Power board 9 21 FE POA Bu 9 21 CN101 for recorder unit MR TU T 9 21 CN102 for recorder NN 9 22 CN103 for CN003 on REC MAIN board 9 22 CN104 for CN201 on REC Key board 9 22 C 6 Service Manual BSM 2300 CONTENTS IO ANALOG OUT Board ME 9 23 GE WEE 9 23 NO NE 9 23 NO 9 23 ND 9 24 ENO 9 24 TOBOL 9 25 NO 9 25 6 EE 9 25 Service Manual BSM 2300 C 7 GENERAL HANDLING PRECAUTIONS This device is intended for use only by qualified medical personnel Use only Nihon Kohden approved products with this device Use of non approved products or in a non approved manner may affect the performance specifications of the device This includes but is not limited to batteries
9. Service Manual BSM 2300 5 33 5 DISASSEMBLY AND ASSEMBLY 3 Remove the 2 pan head screws QI 231P or 2 hexagonal head screws QI 236P and the 2 hexagonal head screws which secure the sockets on the board to the bottom case Remove the screw which secures the board to the bottom case Pan head screws QI 231P or Hexagonal head screws QI 236P Hexagonal head screws Screw 4 Remove the board from the bottom case ROT 5 34 Service Manual BSM 2300 Section 6 Maintenance 10 Be Replaced Periodically EE 6 1 Rogurod Mie ie E 6 1 Measuring and Test ei e LE 6 2 Maintenance Check Items and Schedule rrrnnnnnanrvnnnevannnnanennnnnvnnrnnnnnnnernnanennanenanennunennnene 6 3 zu E 6 3 al 900 460 ao ur ON uuu ERIT 6 3 ODETI ME 6 4 Biet 6 4 HIT M suses orcsase teed 6 4 WUT GS me H 6 5 Vital Sign ene 6 5 Bee 6 6 Bee o E 6 6 Qy ee ee EEE ER 6 7 NE 6 7 Service Manual BSM 2300 6C 1 6 MAINTENANCE To Be Replaced Periodically Required Tools Service Manual BSM 2300 We recommend the periodic replacement of the following components according to the expected life span NK Code No Description Expected Life Span 616193 Backlight assembly for Approx 50 000 hours or 5 LCD unit of BSM years and 9 months or more 2301 2303 2304 of continuous operation 677955 Backlight assembly for 2351 2353 2354 Supply
10. For BSM 2354A Description Plastic tee tube Air filter Check valve NIBP main tube S Valve holder 2 Speaker holder Inverter and Inverter IF board holder Spacer bolt for Inverter board Left side input panel for BSM 2351 2353 Left side input panel for BSM 2354 Input panel sheet for BSM 2351 Input panel sheet for BSM 2353 Input panel sheet for BSM 2354 Handle O ring Rear enclosure Screwed plate Washer for handle Square rubber foot Right side panel Battery cushion sponge Battery enclosure Bottom plate Ground plate Conductive gasket High voltage warning label IBP board holder Ferrite core between MAIN board and power supply unit Ferrite core fitting Spacer bolt for ferrite core fitting Ferrite core between NIBP and MAIN boards Ferrite core holder Spacer bolt for Inverter IF board Spacer bolt for Inverter board Rubber lock MP506 Oximax pulse oximetry module Nellcor shield Nellcor insulation sheet Spacer bolt for UR 3712 Touch screen Alarm indicator board Alarm indicator board cable Cable between NIBP and MAIN boards ECG input socket IBP board A 77 D24132 XS IL t AE h EB dn 3R UA UT FR Zr AB A 23 8B t J Zr fil A 23 8B t J ZS Bin 44BSM 2351 Zr Bin 4VBSM 2353 ZS Bin 4I JBSM 2354 BY gt OJ 77 P10 FAYY AY J7177n 7 The AAN kl N yTUTRG AAR vy N yTJI y2n Y T D SE ED MAD uk f h AT Sen V 47 FREI 174 h 7124 M7 EFE 7124 37 FX U It FAK
11. 2 Touch the SELECT T or SELECT V key to select the 1 CALIBRATION item 3 Touch the START key to start the check 4 Immediately start pumping the hand bulb pump Stop pumping the hand bulb pump when the pressure reading displayed on the NIBP Check display of the instrument is within one of the above mentioned pressure ranges 0 to 300 mmHg at SENSOR I or 0 to 15 mmHg 16 to 200 mmHg or 201 to 300 mmHg at SENSOR 2 5 Compare the pressure reading displayed on the NIBP Check display with the pressure reading on the manometer and check that the difference between the two pressure readings is within the acceptable accuracy range 6 Repeat steps 4 and 5 for a reading in the other pressure range If the accuracy of the pressure sensor for any of the two pressure ranges is out of the acceptable accuracy range replace the NIBP board or pneumatic component such as air tube or valve with a new one 2 Zero Calibration This program is not used for calibration but is used for pressure zeroing Checking the Pressure Zeroing NOTE Do not connect any air hose to the NIBP socket on the instrument 1 Touch the SELECT T or SELECT J key to select the 2 ZERO CALIBRATION item 2 Touch the START key to start the check Service Manual BSM 2300 Service Manual BSM 2300 B 3 DIAGNOSTIC CHECK Check that OK appears on the screen If an error message apeears replcae the NIBP board or pn
12. The APU controls the SpO block totally and calculates the SpO data from the various data digitized by the A to D converter in BSM 2301A C K BSM 2303C K BSM 2351A C K and BSM 2353C K or receives the SpO data from the MP 506 Nellcor SpO unit in BSM 2304A 2354A Service Manual BSM 2300 4 BOARD UNIT DESCRIPTION Differential amp R IR separator Time division A to D converter x Pulse wave amp multiplexer Lepdiver Je sc ep snr APU Light intensity control H85 2633 Gain control Probe ID recognition Probe failure SpO gt status signal detector MP 506 In BSM 2304A 2354A the MP 506 Nellcor SpO unit replaces the block surrounded by a dotted border MP Block The MP block consists of the blood pressure amplifier circuit thermistor method respiration circuit and temperature block The APU recognizes which sensor transducer is connected to the multi parameter socket and selects the exciter voltage When the CO sensor is connected to the socket the APU communicates with the CO sensor The APU receives the digital data from the A to D converter every 2 ms and sends the data to the DPU Temperature Body temperature gt jack amp Blood pressure amp Thermistor methoq Multi respiration amp parameter socket APU H8S 2633 MPX I I A to D converter Exciter voltage selector Service Manual BSM 2300 4 7 4 BOARD UNIT
13. 3 Atarget mark will be displayed from upper left corner to lower right corner total of 9 points Touch the center of the target mark for more than 2 seconds until it moves to the next location 4 After the calibration you can confirm the recognized position Touch anywhere on the screen and the target mark tracks your touching position 5 Toreturn to the DIAGNOSTIC CHECK screen press the HOME key 3 53 3 DIAGNOSTIC CHECK This page is intentionally left blank 3 54 Service Manual BSM 2300 Section 4 Board Unit Description RE Le 4 1 Pi lo IOAN EE 4 5 ERE 4 5 PP BT vanne 4 6 PP 4 6 MP PK ah 4 7 EP e o MERCREDI 4 8 MDP BOWO WE 4 9 P ower Supply BIOGR een 4 10 ESDAN 4 11 Recorder Module Option T c 4 12 REC MAIN RE E 4 12 FU 4 13 Intertace Option QI 29 EEN 4 14 ECG QRS Synch or Alarm Trigger Signal Output Block rannrrnrnnnrrrrrnnnrrrrnnnnrennnnn 4 15 Serial Data Communication Relay Block 4 15 RGB Relay er ENTE TUUM 4 15 Interface Option QI 286P 4 16 ECG and QRS Synch Trigger Signal Output Block 4 17 RGB Relay eler 4 17 Service Manual BSM 2300 4C 1 4 BOARD UNIT DESCRIPTION MAIN Board The MAIN board consists of system control block display control block DPU block and power con
14. 5 DISASSEMBLY AND ASSEMBLY To prevent the pump holder from coming off there is a rubber lock inserted into the one side feet of the NIBP pump holder on the underside of the NIBP board as shown below s JAPAN uu UR 361 4 pei 02 01 pies 6190 024378 S1 i T7 15 AP URS m e Sc LENTE KOMP RO122E MT 0108 lt dl a Gr 3953 ERR lm 1L 5129 ER x COUPE 3 na CN0107 R0125 EF o Po When replacing the NIBP board with a new one check that the rubber locks are inserted into the same position on the new NIBP board as the old one Since the rubber locks are not included in NIBP board the rubber locks are separately available if new rubber locks are necessary NK parts code 6114 131066 5 13 5 DISASSEMBLY AND ASSEMBLY Replacing the IBP Board BSM 2301 and BSM 2351 have no IBP board Perform the following procedure after the Replacing the NIBP Board procedure 1 Remove the 2 screws marked with circles in the following figure which secure the IBP board to the NIBP board Remove the IBP board from the NIBP board 2 Remove the 2 screws which secure the holder to the IBP board Remove the IBP board from the holder 5 14 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY Replacing the Inverter Board BSM 2301 2303 2304 Perform the following procedure after the Removing the Chassis Block procedure 1 Disconnect the backlight lamp cable from the cable of the
15. 5 s minimum 200 ms typical for steps from 10 to 90 120 ms typical for steps from 10 to 90 60 ms typical for steps from 10 to 90 delay time 100 ms 10 ms 3 to 60 breaths min 3 to 150 breaths min 0 to 150 breaths min 2 breaths min 4 mmHg 0 lt CO 40 mmHg 10 reading 40 lt CO lt 76 mmHg When 1 atmospheric pressure NOS 70 96 no condensation 2 mmHg 0 CO lt 40 mmHg 5 reading 40 lt CO 70 mmHg 7 reading 70 lt CO 100 mmHg When no condensation N O lt 70 Every 3 s or when alarm is generated 2 to 99 mmHg in 1 mmHg in 1 steps OFF OFF 1 to 98 mmHg in 1 steps OFF 5 to 40 s Heart rate or pulse rate respiration rate VPC rate ST level EVENT arrhythmia apnea time apnea frequency SpO NIBP systolic diastolic and mean IBP systolic diastolic and mean temperature ETCO and PWTT Service Manual BSM 2300 Trend times Data sampling time Vital Signs List Parameters Number of files in list List Interval 1 GENERAL 1 2 4 8 and 24h I min for 1 2 4 8 hours 3 min for 24 hours Heart rate or pulse rate VPC rate ST level NIBP systolic diastolic and mean SpO IBP systolic diastolic and mean respiration rate temperature and ETCO Periodic vital signs list 120 Entries in vital signs list at NIBP measurement 120 Periodic vital signs list 1 5 15 30 or 60 minutes Vital signs list at NIBP measurement at NI
16. NO GO I QIN BW ND CQ Se m e LA I NRBR DR 8 16 NK Code No 6111 002327E 6113 017726C 6114 067901A 6114 053132A 515284 6114 053141B 6114 053177C 515506A 6114 053168C 6114 053159B 6112 008444C 6114 053114C 492503 6114 059474B 6114 053186A 6113 023951A 107002 445074 445109B 448053 UR 3570 578447 614328 449132 UR 3571 unenee BR ee N Lr Description Recorder drive unit chassis Head holder Spring for head Shaft for head Bearing for head Spring for magazine door left Idle gear Stopper ring Driving gear Spring for magazine door right Magazine door Platen roller Bearing for magazine door Gear for platen roller Shaft for magazine door Magazine tray Retainer ring Thermal array head Paper drive motor Micro switch Sensor board LED and photo transistor assembly Thermal array head grounding lead Thermal array head connection cable Sensor control board cA Ay FAL K280 Ny FAP VISA H FILNY RYG B F3 27 NF 27 IHY DNA SN FrIITAINGIVI CA 5 FAD E AINT ILD JUL Alu A s gt lt FyugaIVIDIHYV Jssvyn 3 R BRF0404 X J Z2 amp 7 UTD J3TLZV v4v 2aT472 qUAgsUquUd E 32U T TU 27 H Z JUAN F RJ0O48 8S81 His FH E amp PFC25 48T1 G 1 20 01 v42HhA v AV404461 UA F JT kt J XI y F br HIM F S ch V PHR 15 RU a AR F Service Manual BSM 2300 8 REPLACEABLE PARTS LIST Service Manual BSM 2300 8 17 8 REPLACEABLE
17. Procedure to Execute the GRAPHIC DRAW Check Program 1 To select the Check touch the GRAPHIC DRAW CHECK key Touch the PLANE I PLANE 3 to PLANE 17 PLANE 19 key on the screen to display the plane combination When the program starts it draws the grid line first 2 To change the pattern to the triangular waveform touch the screen After touching the screen again the screen shows you a solid color The patterns are changed every time you touch the screen 3 To change the plane combination such as 2 planes or ALL press the NIBP INTERVAL key To change graphic color press the SILENCE ALARMS key 4 To scroll the waveform in the triangular waveform display mode press the MENU key Press the RECORD key to change the amplitude of each waveform 5 Toreturn to the GRAPHIC DRAW CHECK screen press the HOME key 6 To return to the MANUAL CHECK MENU screen touch the RETURN key Service Manual BSM 2300 3 DIAGNOSTIC CHECK Screen Flow of GRAPHIC DRAW Check Program Touch Key MENU key Touch Key For the TFT LCD screen it is considered normal if some pixels have randomly abnormal color or do not light Up to 6 wrong pixels are considered normal at the maximum brightness Service Manual BSM 2300 3 21 3 DIAGNOSTIC CHECK 3 22 CHARACTER DRAW Check XXK CHARACTER DRAH CHECK XXX RETURN This item checks the function of the character draw plane and ASCII font d
18. STOP key The highlighted START key changes to normal and the STOP key is highlighted To resume the check touch the START key again 3 To return to the MANUAL CHECK MENU screen touch the RETURN key Service Manual BSM 2300 3 39 3 DIAGNOSTIC CHECK Power FREQ XXX POMER FREQ XXX RETURN This check program detects the line frequency and shows it Not used on the BSM 2304A 2354A 3 40 Service Manual BSM 2300 APU Check Menu Items Service Manual BSM 2300 3 DIAGNOSTIC CHECK The APU check items check the APU on the Analog board APU ROM Check DZ APU RUM CHECK XXX CRC CHECKING PASS COUNT 0003 RETURN This item checks the ROM in the APU on the Analog board by the CRC cyclic redundancy check technique This check assigns a count number when one set of checks is successfully completed If an error message appears on the screen the Analog board will be faulty Procedure to Start and Exit the APU ROM Check Program 1 To select the APU ROM Check touch the ROM CHECK key at the APU CHECK column The instrument repeats the check and increments the pass count until you touch the RETURN key If the check program finds an error it displays the ERROR message on the screen 2 To return to the MANUAL CHECK MENU screen at any time touch the RETURN key 3 41 3 DIAGNOSTIC CHECK APU RAM Check xX APU RAM CHECK xxx PASS COUNT 0003 ADDRESS WRITE
19. 3 To return to the MANUAL CHECK MENU screen touch the RETURN key Service Manual BSM 2300 3 25 3 DIAGNOSTIC CHECK 3 26 AD TEST XXX AD TEST XXX ei TS2 T53 TS4 TSS reg LEE 158 er i dan dl LB Up 1C BE n ae BEE CH7 NIBP 00 000 000 0 SC aa on 0 mor BEER mm i T gw FFF i IE zi FFF RETURN This is not a check The AD Test table shows the A to D converted values of all the analog parameters such as ECG SpO and NIBP Each vital sign data are read from the to D converter every 2 ms The maximum and minimum data of each vital sign data are displayed every 512 ms CHI ECG 1 CH2 ECG1 HUM CH3 ECG2 CH4 ECG2 HUM CH5 RESP CH6 PIC CH7 NIBP CH8 SpO2 CH9 MP1 CH10 MP2 CH11 MP3 ECGI waveform data with the hum filter set to off ECGI waveform data with the hum filter set to on ECG2 waveform data with the hum filter set to off ECG2 waveform data with the hum filter set to on Respiration waveform data Not used NIBP measurement data Plethysmographic pulse wave data Multi parameter 1 socket input data Not used Not used Procedure to start the AD Test 1 To select the AD Test touch the AD TEST key at the DPU CHECK column The program shows above table automatically 2 Toreturn to the MANUAL CHECK MENU screen touch the RETURN key Service Manual BSM 2300 Service Manual BSM 2300 3 DIAGNOSTIC CHECK ZB I F Check kkk ZB
20. FI only e Service Manual BSM 2300 8 13 8 REPLACEABLE PARTS LIST Optional Recorder Module WS 231P Q D X O GO I ON Uu A Q N oO m nm CA Q N 8 14 NK Code No 6111 006288C 6124 033492A 6112 014731C 518272 6114 120336 6114 120416 6114 120425 6142 002714C 6114 117795A 6114 120915 6114 225654B 6113 040166C 6114 104096 6114 115877B RG 922P UR 3615 526931 613204A Hee eevee eee eee HB bech j Description Recorder enclosure Model number label Recorder bottom plate Square rubber foot Key top cover Battery cushion sponge Triangle mark label Recorder chassis Ground plate Gasket Switch insulation sheet Recorder insulation sheet Board edge cover LED filter Recorder unit REC MAIN board REC Power board REC Key amp Power Boards REC Key board Cable between the REC Power and Key boards Flat cable L2 4rTL22n z w WS 231PHIX DAIL T AR Ls E N KY TM166 8 ky DG 10 5 K 721 INYFUHSEZARTD S IHV HM Av 7 AZ L MATS gt R ERE MAT uk f amp amp F AT3NLIG v 2 EFT 327 KIA BB 7 7 JV 51021 0500 L 55MM Ee KR 7 J V 8925E 040 179 018 GG7174 b Service Manual BSM 2300 8 REPLACEABLE PARTS LIST 8 15 Service Manual BSM 2300 8 REPLACEABLE PARTS LIST RG 922P Recorder Unit Q D gt lt
21. OK message when the pins 6 and 7 of the multi parameter socket short circuits Without this short circuit ERROR message appears LABEL Shows the hexadecimal codes of the memorized BP site label when the IBP connection cord is connected to the multi parameter socket CAL Shows the hexadecimal codes of the calibration value memorized on the EEPROM in the connection cord connector CAL TIME Shows the time that the latest calibration is done e SENSOR STATUS Shows the status of the transducer or sensor connected to the multi parameter socket through the connection cord When a wire from the sensor or transducer is cut ERROR message appears Service Manual BSM 2300 Service Manual BSM 2300 3 DIAGNOSTIC CHECK ECG Check This check is for factory use NOTE These ECG monitoring settings do not affect the monitor mode XXX ECG CHECK XXX ELECTRODE EN Leads off TW R L F 4 RF N OFF ON OFF OFF OFF ECG1SEL i m Polarization EC61 ECG62 E E wo OVER DYER ECG2SEL C ru m Pacing s R D data TIME CONSTANT N ECG CAL ECG INST ER RESP SEL LN RESP INST EH RESP CLK LN RETURN OUTPUT Check XXX OUTPUT CHECK XXX ANALOG TRIGGER RETURN When the optional QI 231P interface is connected to the bedside monitor this check program shows that the interface LED lamp selected on this screen is lit When the ANALOG is selected on the screen the ECG lamp on the interfac
22. Signal Name Signal Description 5 V supply voltage 5 V supply voltage Measurement mode 0 Measurement mode 1 Digital ground Digital ground CN0103 for line frequency detection coil wire Pin Number Signal Name Signal Description Line frequency detection Line frequency detection CNO0104 for pediatric valve Pin Number Signal Name Signal Description Not connected 6 V supply voltage Valve 2 control CNO0105 for safety circiut valve Pin Number Signal Name Signal Description 6V 6 V supply voltage VALVE3 Valve 3 control Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT 9 13 9 CONNECTOR PIN ASSIGNMENT CN0106 for pump Pin Number Signal Name Signal Description 6 V supply voltage Pump control CN0107 for speaker Pin Number Signal Name Signal Description Speaker sound Speaker sound Not connected Not connected CN0108 for adult valve Pin Number Signal Name Signal Description 6V 6 V supply voltage VALVEI Valve 1 control IBP Board BSM 2301 and BSM 2351 have no IBP board CN001 for CN601 on Analog board Pin Number Signal Name Signal Description XIO2 IBP board identification IBP2 Blood pressure waveform AEF Analog ground SVAF 5 V supply voltage IBP2_CHK Detection of transducer wire break ROM CLK2 Clock for ROM in connector of connection cord ROM DATA2 Data for ROM in connector of
23. i o 49 OJ UOO S 10 904 AISS 9x3 Cat Jeu vog Ion 2 youms Bojeuy UO OJIN E d ease DungoL Sous 00 Z INS8 9u UO 194208 KNV 9u OL JOWIOJSUBI Jejdnoo Oojoug Joje jioso ZH 8cL jexoos 1ndino goy uld G oDeyoA Ajddns A S uoneoiunuJuloo ejep jeas god jeubis jepp 186611 10 HOF UoneoiunuJuJoo ejep jeas JO 184205 XNV U d 07 ease Buneo UoN Service Manual BSM 2300 4 14 ECG QRS Synch or Alarm Trigger Signal Output Block Serial Data Communication Relay Block RGB Relay Block Service Manual BSM 2300 4 BOARD UNIT DESCRIPTION Data of the ECG QRS synch or alarm trigger signal from the AUX socket of the bedside monitor are sent to the floating area of the board through the photo coupler In the floating area the data are sent to the microcontroller PIC16C63A which communicates with the bedside monitor selects the output signal with the analog switch controls the D to A converter selects the ECG1 or ECG2 with or without hum filter according to the 4 bit switch setting and lights the ECG or TRIG LED When the ECGHUMI is selected the hum filtered ECGI1 analog signal from the D to A converter goes to the output jack The current software does not support this communication When an external device which has an RS232C port is connected to the RS232C socket on this board the serial data will be communicated between the external device and bedside monitor through this board if th
24. same position on the paper after the head is cleaned Faulty thermal array head The thermal array head is incompletely attached to the recorder unit Replace the head Attach the head correctly 2 11 2 IROUBLESHOOTING The paper speed is Dirty gear or platen roller Clean the gear and platen roller unstable and waveform Faulty gear or platen roller Replace the faulty one is compressed or extended on time scale Unstable turn of the Faulty REC Power board Replace the REC Power board paper drive motor Faulty motor or recorder Replace the motor or recorder unit unit Abnormally loud Faulty gear or platen roller Replace the faulty one rotating sound of the paper drive motor No recording on the The heat sensitive side of the paper is not faced to Load the paper into the magazine paper the thermal array head correctly Paper other than Nihon Kohden is used Use the Nihon Kohden paper Faulty connection between the REC Power board Check the connection and replace and recorder unit the connection cable with a new one if necessary The supply voltage for thermal array head 24 V Replace the REC Power board DC becomes a lower voltage Faulty thermal array head Replace the head 2 12 Service Manual BSM 2300 2 IROUBLESHOOTING QI 231P Interface Problems Possible Cause Criteria QRS synchronous signal The output setting is wrong Select the QRS SYNC SIGNAL at the HT is not output but the E
25. 500 mV 5mV lt 30 UVp p Refer to input 295 dB 25 MQ at 10 Hz lt 100 nA Moving average Instantaneous beat to beat selectable 0 12 to 300 beats min 2 beats min Template matching method 1 channel 0 to 99 VPCs min ASYSTOLE VT VF VPC RUN COUPLET EARLY VPC BIGEMINY FREQ VPC TACHYCARDIA BRADYCARDIA Service Manual BSM 2300 Arrhythmia recall Number of recall files Storage time per file ST level measurement Number of measurement channels Measuring range Alarm limits Pacemaker pulse rejection capability Defibrillation proof ESU interference filter Filters Lead 3 electrode cable 6 electrode cable Waveform display Display sensitivity Sensitivity control Pacing spike display Heart rate display update cycle Alarm items Upper limit range Lower limit range Alarm items 1 GENERAL 16 8s ch 2 5mV 2 0 mV in 0 01 mV steps OFF 0 1 to 2 ms 2 to 700 mV ANSI AAMI EC 13 1992 compatible Pacing pulse detection ON OFF ECG input protected against 400 J IEC 60601 2 27 17 101 compatible Provided ON Time constant 0 5 s AC hum filter 0 3 to 23 Hz gt 3 dB 16 dB 50 Hz or 60 Hz OFF Time constant 3 2 s 0 05 to 150 Hz gt 3 dB I IT MI I IL MI aVR aVL aVF V4 V5 10 mm mV 5 at x1 sensitivity x1 4 x1 2 x1 x2 x4 or AUTO Available Every 3 s or when alarm is generated 20 to 300 beats min in 5 beats min steps OFF OFF 15
26. 6 3 V1 20 mmHg Checking the Valve 1 at the Low Pressure Connect the 250 mL dummy cuff and hand bulb pump to the instrument with the 3 5 m long adult child air hose as shown below 2 W Ss DN uri TING pinch the hose in step 4 Touch the SELECTT key or SELECTV key to select the 6 3 V1 20mmHg item Touch the START key to start the check program The START key changes to MEASURE START key and blinks Immediately increase the pressure inside the dummy cuff with the hand bulb pump up to about 20 mmHg and pinch the hose of the hand bulb pump When the pressure becomes stable touch the blinking MEASURE START key to measure the pressure The blinking stops The instrument displays the pressure value after the valve 1 opens for 120 milliseconds Check that the pressure difference between the two pressures is within the range of 2 to 8 mmHg If the pressure difference is out of the range an ERROR message appears and the NIBP board or pneumatic component such as pump valve or tube is faulty Service Manual BSM 2300 Service Manual BSM 2300 3 DIAGNOSTIC CHECK 6 4 V2 20 mmHg Checking the Valve 2 at the Low Pressure 1 Connect the 72 mL dummy cuff and hand bulb pump to the instrument with the 3 5 m long adult child air hose as shown below 2 Touch the SELECTT key or SELECTV key to select the 6 4 V2 20mmHg item 3 Touch the START
27. 6114 073618 6114 114637C 6114 114566 6114 117777 531337 515542B 6114 114655A For BSM 2354A Should be replaced with a new one when NIBP pump is replaced 8 8 Hee eevee ee Cc 2 N WoO bech FS Lm Lm Lm om sm sm bech bech bech bech N Description Operation panel sheet Power Indication sheet Model number label for BSM 2351A Model number label for BSM 2351C Model number label for BSM 2351K Model number label for BSM 2353C Model number label for BSM 2353K Model number label for BSM 2354A Nihon Kohden logo sheet Front enclosure Alarm indictor Alarm indicator packing Reflector Touch screen packing Operation board holder LCD holder Insulation sheet between inverter board and LCD holder Spacer bolt for LCD unit EMC spring between LCD and LCD holder Conductive gasket between LCD and LCD holder Spacer bolt for Power SW board MAIN board holder MAIN board shield cover EMC spring between MAIN board and PC card Plastic cover Insulation sheet for Analog board Insulation sheet for Analog board ECG shield sheet SpO shield cover SpO shield sheet Power supply untt Insulation cover Edge cover of chassis Rear chassis Equipotential grounding terminal Pump holder Sponge Valve holder I NIBP main tube M Silicon tube Plastic elbow tube NIBP input socket NIBP input socket holder REN AN RAYN 44497 A A BSM 2351A I JN J BSM 2351C IJN I BSM 2351K ZI
28. DU i TEE SE GES Lines Leva 4 d ie d 1 e Li 5 m i rr D A Ee IO viii A ETTI m m D wai Ifa aT ae 5 8 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY CAUTION in Assembling the Instrument e Hold the battery cable with the cable clamp of the MAIN board holder and pass the battery cable through the MAIN board holder as shown below e Before fitting the MAIN board into the chassis block insert the tab of the MAIN board into the slot of the MAIN board holder e To fit the MAIN board into the chassis block align the connector on the MAIN board with the connector on the Analog board and press the MAIN board around the connector onto the Analog board Check that the connection between the boards is complete Sege MAIN board holder Service Manual BSM 2300 5 9 5 DISASSEMBLY AND ASSEMBLY Replacing the Analog Board Perform the following procedure after the Replacing the MAIN Board procedure step 4 1 Remove the 3 screws marked with circles in the following picture which secure the Analog board to the chassis block NOTE If the 3 screws are left in the holes it may be difficult to slide the Analog board L N L aer CN 5 Ki 28 socket i T Gel 1 wi a ei mA of Ks 2 Slide the Analog board in the direction of the arrow in the picture below to avoid obstruction of the ZB socket and remove the Analog board from the chassis
29. LCD green 5 LCD green 4 LCD green 3 LCD green 2 LCD green I LCD green 0 bech m Lm Oo 00 I QV Nn Q Digital ground LCD red 5 LCD red 4 LCD red 3 LCD red 2 LCD red 1 LCD red 0 N FS N N N N N ON CA A WO N e C Digital ground NO I Horizontal synchronization signal t gt Sal Vertical synchronization signal LCD dot clock LA N CO Oo Digital ground 9 18 Service Manual BSM 2300 CN102 for LCD unit 9 CONNECTOR PIN ASSIGNMENT Signal Description Signal Name ES Signal Name Signal Description Digital ground Digital ground Vertical synchronization signal Digital ground LCD red 0 LCD red 2 LCD red 3 LCD red 5 Digital ground LCD green 0 LCD green 2 LCD green 3 LCD green 5 Digital ground LCD blue 0 LCD blue 2 LCD blue 4 LCD blue 5 LCD enable signal 3 3 V supply voltage Vertical display mode Service Manual BSM 2300 LCD dot clock Horizontal synchronization signal Digital ground Digital ground LCD red I Digital ground LCD red 4 Digital ground Digital ground LCD green I Digital ground LCD green 4 Digital ground Digital ground LCD blue 1 Digital ground LCD blue 4 Digital ground Horizontal display mode 3 3 V supply voltage 9 19 9 CONNECTOR PIN ASSIGNMENT Hall Sensor Board CN101 for CN102 on NIBP board Refer to CN102 for CN101 on Hall Sensor board in the NIBP board section REC MAIN Board CN001 for CN0
30. NEE 6 3 Me 9c ieee OO o LUDERE 6 3 TUNE 6 4 DENN EE 6 4 Eiere TEE 6 4 WC ACS E 6 5 SES eg Parallel srera O N E NM U I CEDERE UN ERU 6 5 Bel 6 6 Data BACKUP EE 6 6 SE e E EEE E 6 7 GU TIENE A E E E EEE EE NE EN 6 7 SecHon 7 NNN hr 7C 1 Sensors in the Recorder Unit nnn nnne nnne nnne nnns TA Adjusting the Output Voltages with Digital or Analog Multimeter annnannannnannannaanna 7 1 Section 8 Replaceable Parts List 8C 1 Bedside Monitor BSM 2301 2303 2304 a a a nnne nnn 8 2 Bedside Monitor BSM 2351 2353 2354 geen 8 8 Optional Recorder Module WS 231P a 8 14 RG 922P Recorder UNII EEE E ET 8 16 EE eege EE 8 18 EE lli 12 g OCE EE ENE EEE FRU PER EM 8 19 Section 9 Connector Pin Assignmenit 9C 1 d Ree EE 9 1 CN0201 for Alarm Indicator board 9 1 CN0202 for CN101 on Operation board 9 1 CN0204 for CN001 on REC MAIN board of optional recorder module 9 2 CN0205 for CN002 on REC MAIN board of optional recorder module
31. a r aasrasssssssssssssssa 3 41 APU ROM GE E 3 41 Service Manual BSM 2300 3C 1 APU RAM Check eege eebe 3 42 COM Check Menu TROIS ee 3 43 WS RECORDER CHECK ereechen 3 43 SERIAL F CheCk EE 3 44 NEPWORK CARD NENNE 3 45 PENN 3 47 MULTI PARAMETER UNIT Check 3 48 Eleven 3 49 OUTPUT CNEC kle 3 49 Recorder and Control Block Checks eene 3 50 SELF TESEPRO NOU ME 3 50 SELF TESEPHO NO 2 EE 3 51 SELPE TE PR ON E EE 3 52 Calibration of Touch Screen EE 3 53 3C 2 Service Manual BSM 2300 Introduction Service Manual BSM 2300 3 DIAGNOSTIC CHECK The instrument has two check programs which automatically or manually diagnose the Instrument The automatic check program power on self check is executed whenever the instrument is turned on The manual check program can be executed at any time All errors detected during the power on self check manual check and any time in monitor mode are stored in an error history table that you can view The manual check error history system setup and initialization are accessed from the DIAGNOSTIC CHECK screen 3 1 3 DIAGNOSTIC CHECK Power On Self Check The following icon appears during the power on self check ki ki fef oro I I ki ki fame oo 9 fere eem Ki MARAA ll oro oo ki ic Taas Re DD ki lc fefe Ill MERA MaD Icicicicicicic fere eem ki ki If no error is detected the monito
32. recording paper pens extension cables electrode leads input boxes and AC power Please read these precautions thoroughly before attempting to operate the instrument 1 To safely and effectively use the instrument its operation must be fully understood 2 Wheninstalling or storing the instrument take the following precautions 1 Avoid moisture or contact with water extreme atmospheric pressure excessive humidity and temperatures poorly ventilated areas and dust saline or sulphuric air 2 Place the instrument on an even level floor Avoid vibration and mechanical shock even during transport 3 Avoid placing in an area where chemicals are stored or where there is danger of gas leakage 4 The power line source to be applied to the instrument must correspond in frequency and voltage to product specifications and have sufficient current capacity 5 Choose a room where a proper grounding facility is available 3 Before Operation 1 Check that the instrument is in perfect operating order 2 Check that the instrument is grounded properly 3 Check that all cords are connected properly 4 Pay extra attention when the instrument is combined with other instruments to avoid misdiagnosis or other problems 5 All circuitry used for direct patient connection must be doubly checked 6 Check that battery level is acceptable and battery condition is good when using battery operated models 4 During Operation 1 Both the i
33. 17F CHECK Xxx ZB CONNECTION 9600 19200 38400 DATI OK OK OK DAT2 OK DK DK RETURH This check is used to check the signal lines when the ZB 900PG K transmitter is connected to the instrument or the pins 2 3 and 6 of the ZB socket short and pins 7 and 8 short for loop back test If the signal lines have no problem a ZB CONNECTION message appears If there is a problem a ZB NO CONNECTION message appears Procedure to start the ZB I F Check 1 To select the ZB I F Check touch the ZB I F CHECK key at the DPU CHECK column 2 To return to the MANUAL CHECK MENU screen touch the RETURN key 3 27 3 DIAGNOSTIC CHECK 3 28 NIBP Check NIBP CHECK XXX 6 STEP DEFLATION SENSOR 1 B 1 V1 250mmHg SENSOR 2 6 2 Y2 250mmiig 2 ZERO CALIBRATION B 3 V1 20mmlig 3 SAFETY CHECK 6 4 2 20mmig 3 1 0 ER PRESS 1 7 AIR LEAK 3 2 0VER PRESS 2 s 30sec 4 INFLATION SPEED 90sec 4 1 ADULT s Diff 4 2 NEONATAL Es s 8 AIR CIRCUIT 5 PRESSURE HOLD CUFF PRESSURE 10sec 20sec Diff OFFSET CUFF SELECT SELECT t START STOP RETURN This NIBP check program checks the two pressure sensors safety opreation pump valves air leakage and block The check program consists of the following check items 1 Calibration Sensor 1 Checks the pressure sensor for NIBP measurement circuit Calibration Sensor 2 Checks the pressure sensor for NIBP safety circuit Zero Calibration Checks the zeroing 3 S
34. 9 1 CNO202 for CN101 on Operation board 9 1 CNO204 for CNOO1 on REC MAIN board of optional recorder module 9 2 CNO205 for CNOO2 on REC MAIN board of optional recorder module 9 3 CN401 for power supply unit 9 3 CN0601 for program card or network card 9 4 CNOZ7OT for EN 9 5 CN0801 AUX e Le EE 9 5 CN0802 for Inverter board 9 6 NT TDN E 9 7 CN1401 for rechargeable battery pack 9 8 CN1501 for CN901 on Analog board arrrrnenrrnnnnrrnnnennnnnrrnnnennnnrrnnnnrnnnsennnn 9 8 CN1502 for CN0101 on NIBP board 9 9 Alarm Indicator e E 9 10 CN0101 for CNO201 on MAIN board 9 10 Pa ele EO E 9 11 ecl 9 11 CN601 for CN001 on IBP board 9 11 e 9 12 CN901 for CN1501 on MAIN board EE 9 12 CN902 for ZB 900P transmitter 9 12 NISP cio RET Um mmi 9 13 CN0101 for CN1502 on MAIN board
35. 9 3 CN401 for power supply unit 9 3 CN0601 for program card or network card 9 4 CN0701 for touch screen or iUd IS ue 9 5 CN0801 AUX socket a a a 9 5 CN0802 for Inverter board 9 6 Service Manual BSM 2300 C 5 CONTENTS SN f r LCD UNIT uuu uuu u uuu et 9 7 CN1401 for rechargeable battery pack 9 8 CN1501 for CN901 on Analog board 9 8 CN1502 for CN0101 on NIBP board Lee 9 9 PAV sie cie e 9 10 CN0101 for CN0201 on MAIN board 9 10 n oL EE 9 11 EK E 9 11 CN601 for CN001 on IBP board 9 11 NL 9 12 CN901 for CN1501 on MAIN board 9 12 CN902 for ZB 900P transmitter 9 12 NIBP e js EE EEE EE EEE ee 9 13 CN0101 for CN1502 on MAIN board 9 13 CN0102 for
36. CPU IBIS LCD Graphic DRAM Character SRAM 8 MB 512 KB c DPU block The DPU block has the DPU H8S 2633 microcontroller which works with 20 MHz clock The DPU Data Processing Unit communicates with the floating amplifiers and ZB 900P transmitter interface on the Analog board and with the NIBP board The DPU acquires the various data from these communications and processes the data to communicate with the host CPU The DPU periodically writes the processed data into the system RAM on the main bus so that the data communication between the DPU and host CPU is done through the system RAM There are 256 KB flash EEPROM and 16 KB SRAM in the DPU When the software is upgraded the host CPU replaces the current program in the flash EEPROM with the new one in serial data communication System Control Boe DPU Block Host CPU Bus request signal Main bus EY Local bus lt n lt Data flow in normal operation System RAM Program data flow in upgrade Serial data communication Service Manual BSM 2300 4 3 4 BOARD UNIT DESCRIPTION 4 4 d Power control block The power control block consists of the power supply microcontroller DC to DC converters buzzer and its driver and battery interface 15 V from the power supply unit or 12 V from the rechargeable battery is converted to 3 3 V and 5 V supply voltages by the DC to DC converters and power supply microcontroller When the line voltage
37. D2 0000000R D6 00000000 R2 0021FFDR R6 0021FF98 AccessAd D3 FFFFFFFF D 00000003 A3 0021FFD8 A 002146A4 Inst 0230 0240 0250 0260 0270 0280 0290 02A0 02B0 02C0 0310 0400 0410 0411 0420 0440 0470 0472 0480 A410 A420 B410 B420 ILLEGALINSTRUCTION ZERO DIVIDE CHKINSTRUCTION TRAPINSTRUCTION PRIVILEGE VIOLATION SPRIOUS INTERRUPT UNDEFINED AUTO VECTOR UNDEFINED TRAP UNDEFINED USER INT OTHER ERROR OS ERROR OTHER CPU ROM WS ROM CPU RAM A D D A CLOCK CLK DATA E2PROM DPU ROM DPU RAM APU ROM APU RAM Illegal command not used in the program is executed Zero division error Check command error when the CHK command is executed Trap command error when the TRAPV command is executed Privilege error when the CPU is in the user mode and executes a supervisor command Undefined interrupt error when the CPU receives an undefined interrupt request Not used Not used Not used Errors other than the above mentioned errors Error detected under the OS management Error from faults other than those described above Error detected by CPU ROM check Error detected by WS ROM check Error detected by CPU RAM check Error detected by A D and D A check Error detected by the real time clock IC Clock data error detected by CLOCK DATA check Error detected by EEPROM check Error detected by DPU ROM check Error detected by DPU RAM check Error detecte
38. DESCRIPTION Filter SpO and NP Blocks 4 6 Pacing pulse detection circuit Filter ERC A to D Converter In these blocks including the temperature block there is a dedicated microcontroller APU H8S 2633 which works with 20 MHz clock The APU Analog block Processing Unit communicates with the DPU and controls the respective to D converters and executes each data processing for SpO temperature and the other vital sign such as blood pressure connected to the multi parameter socket There is a flash EEPROM in the APU When the software is upgraded the host CPU replaces the current program in the flash EEPROM with the new one SpO Block This block has the following circuits e Differential amplifier Amplifies the electrical signals detected by the photodiode when the red LED and infrared LED in the SpO probe alternatively transmits the lights to the subject e R IR separator Separates the electrical signals caused by the red LED and infrared LED transmissions to the subject e Pulse wave amplifier Amplifies the red LED and infrared LED pulse waves e Multiplexer Multiplexes the analog signals such as pulse waves e LED drive current control Controls the drive currents for the red LED and infrared LED e Probe ID recognition Detects the probe ID and sends the status data to the APU e Probe failure detector Detects the short circuit in the probe and sends the status data to the APU
39. I General DION ee 1 1 General Information on Servicing ee ex pesar E nnns 1 2 Service Policy Service Parts and Patient Safety Checks 1 4 Service Pol e 1 4 SOI ae EE EE E ET 1 4 Patient Safely ChecCK8 RUE T 1 5 sjelen ee EC 1 6 lt B9M 2301 230323042 35 1 2309 Lee 1 6 Be 1 6 SOU DEE 1 6 TE E 1 6 Fe 1 6 Respiration Transthoracic impedance pneumography 1 7 SpO2 on BSM 2301A C K BSM 2303C K BSM 2351A C K and BSM 2353C K 1 8 Spo ENEE 1 8 Non Invasive Blood pressure NIBP 1 8 TEE RR TOT 1 9 Multi parameter Amplifier EE 1 9 Invasive Blood Pressure IBP 1 9 Respiration Thermistor method 1 10 Expired Carbon Dioxide Tension CO E 1 10 dee le Te EE 1 10 VII gi T EEE ER EE sasaqa 1 11 Recorder Module optional WS 231P 1 11 Interface optional QI 231P 1 11 Interface optional QI 236P Lane 1 11 FUN 1 12 FTP 1 12 OCKA C UAC EE EE 1 12 ET NG 1 12 Dimensions and Weight EE
40. MANUAL CHECK MENU screen appears To test each item from the MANUAL CHECK MENU screen touch a menu item key To return to the DIAGNOSTIC CHECK screen touch the RETURN key To exit the DIAGNOSTIC CHECK screen and return to the patient monitoring mode touch the MONITOR MODE key XXX MANUAL CHECK MENU XXX CRTC CHECK BRRPHIC MEMORY HARACTER MEMORY CHECK HARD KEY CHECK GRAPHIC DRAH ZB I F CHECK CHARACTER DRAN IMAGE DRAH COM CHECK D A ADJUST HS RECORDER AD TEST BERIAL 17F CHECK NETHORK CARD OUCH KEY CHECK BATTERY CHECK ULTI PARAMETER T K POWER FREQ OUTPUT CHECK CH CH CH rm m CH Lx m CH ALARM INDICATOR CHECK OTHER CHECK MEMORY CARD CHECK CPU CHECK DPU CHECK e HARD KEY CHECK CHECK EIE S m BACK LIGHT CHECK RETURN POWER FREQ is not used on the BSM 2304A 2354A 3 9 3 DIAGNOSTIC CHECK CPU Check Menu Items 3 10 The CPU check menu items check the function of the CPU peripherals such as ROMs RAMs switches touch screen sound generator alarm indicator and external memory card ROM Check xxx CPU ROM CHECK xxx PASS COUNT 0000 RETURN This item checks the ROMs on the MAIN board by the CRC cyclic redundancy check technique This check assigns a count number when one set of checks is successfully completed A set of checks takes about 2 minute and 20 seconds If an error message appears the MAIN board will be faulty Procedu
41. PARTS LIST QI 231P Interface Q D gt lt GO I OQ tn GO LD gt 8 18 NK Code No 6113 045214 6114 125875A 6113 045205A 6123 014006 123225 6124 035614 094497 6114 126776 UR 3691 625904A al Description Bottom case Side panel Top cover WARNING label Black screw Protective earth symbol label TRIG ECG output jack Protective earth screw IO ANALOG OUT board AUX connection cable ctFAZLv FXI HA F NAL ky Z 2 1 XI QI 231PZE Rr NAL 03x8 kT t fT3 292 N TRIG ECG 37 7 4 EARTH gt 1287 I IL Service Manual BSM 2300 QI 236P Interface Index NK Code No 1 6113 047417 2 6113 047408 3 6123 015415 4 5 6114 126776 6124 035614 A UR 3731 B 643724 Service Manual BSM 2300 Description Bottom case Top cover Warning label Protective earth screw a 2 Protective earth symbol label 1 IO CT OUT board 1 AUX connection cable 1 a e l We d 8 REPLACEABLE PARTS LIST BOTTOMPLATE TOP COVER QI 236P WARNING PANEL EARTH47 bY tyf1 72 Wb IO CT OUTBOARD DX30AM PHR 10 9 W440 NJ H 8 19 8 REPLACEABLE PARTS LIST This page is intentionally left blank 8 20 Service Manual BSM 2300 Section H Connector Pin Assignment MAIN BOATO M 9 1 CN0201 for Alarm Indicator board
42. READ ADDRESS WRITE READ This item checks the RAM in the APU on the Analog board by comparing the test patterns first written to the RAM with the test patterns later read from the RAM If an error message appears on the screen the Analog board will be faulty Procedure to Start Stop and Exit the APU RAM Check Program 1 To select the APU RAM Check touch the RAM CHECK key at the APU CHECK column The check program automatically starts The START key is highlighted to indicate the process of checking If the check program finds an error it displays the address written data and read data on the screen 2 To stop the check temporarily touch the STOP key on the screen The highlighted START key changes to normal and the STOP key is highlighted To resume the check touch the START key again 3 To return to the MANUAL CHECK MENU screen touch the RETURN key 3 42 Service Manual BSM 2300 3 DIAGNOSTIC CHECK COM Check Menu Items The COM check items check the communication between the host CPU and recorder CPU and serial communication at the AUX socket WS RECORDER Check This item checks the dual port RAM in the ASIC RACOON and recorder CPU peripherals with the communication between the host CPU and recorder CPU The optional recorder is one of the peripherals for the host CPU If an error is found the MAIN borad or REC MAIN board will be faulty XXX HS RECORDER CHECK XXX
43. Remove the 5 screws two M2 screws included which secure the MAIN board as shown below agn irg L fe g Wa oll L w i m L Ga kee A Ei a d E a n mon Gi ila cre oak ze L ilic E l gt i E ZER Ep AE ei SE P Ti a ef W a de ER ART rr DS k er ar E Rep ef P EI di rE oF 2 Slightly lift the MAIN board as shown below and separate the connector on the MAIN board from the connector on the Analog board 5 6 Service Manual BSM 2300 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY Pull the MAIN board holder outward as shown below and pull the tab of the MAIN board upward to remove the tab from the slot gb pag Seon UE fl LETTE l r ik Va 4 t ve k A i Es i E 4 Put the MAIN board beside the chassis block and disconnect the power cable and NIBP cable from the MAIN board eB o sei am ue NIBP cable 2 Powercdble of 5 DISASSEMBLY AND ASSEMBLY 5 Remove the 7 screws marked with circles in the following picture from the MAIN board and remove the shield cover from the MAIN board NOTE Do not remove the 4 screws marked with X which secure the PCMCIA card slot socket aa D ai ix T nm s ka a eE kel on d dei Si a La re LI T A kb d p mr ola a bi ch Le n TT us ii fA ES METT al Ti wlll Piven se el E il iuli 3 um Er tS Jr
44. Replacing the Inverter Board BSM 2301 2303 2304 5 15 Replacing the Inverter Board and Inverter IF Board BSM 2351 2353 2354 5 17 Replacing the LCD Unit BSM 2301 2303 2304 5 19 Replacing the LCD Unit BSM 2351 2859 2 RE 5 2 Replacing the LCD IF Board BSM 2351 2353 2354 5 29 Replacing the Backlight Lamp Unit BSM 2301 2303 2304 5 24 Replacing the Backlight Lamp BSM 2351 2353 2354 5 26 Replacing the Lithium Battery 0 ERE 5 28 Service Manual BSM 2300 CONTENTS Replacing the Battery Pack ban 5 29 When the Recorder Module is Not Attached to the Instrument 5 29 When the Recorder Module is Attached to the Instrument 5 31 Replacing the IO ANALOG OUT or IO CT OUT Board of the Optional Interface 5 33 SecHoDn D MANNEN EE 6C 1 To Be Replaced Periodically E 6 1 Meguired 8 1010 LE 6 1 Measulinog and Test EQuIDpIment ULU bossa RAET EEEE qasukaawanan 6 2 Maintenance Check Items and Schedule rrrnnrnnanrnnnnenannnnnnrnannnnanrnnnrnnnnrnnnsenannnnasenannnnnnennn 6 3
45. The battery is near the end of its life about I Replace the battery with a new one time is shorter than year expected The battery has had memory effect in which To clear this memory effect fully its charge capacity 1s decreased by frequent discharge the battery and then fully charge incomplete discharging and charging it a few times Replace the battery with a new one Faulty battery charger circuit Replace the MAIN board with a new one Power switch is not Faulty Power SW board Replace the Power SW board operational Faulty MAIN board Replace the MAIN board 2 2 Service Manual BSM 2300 Display Problems No display and the backlight does not light 2 IROUBLESHOOTING Possible Cause Criteria Faulty connection between CN0802 on the MAIN board and inverter Faulty connection between inverter and LCD unit Faulty inverter board Check the connections Check the connections Replace the inverter board No display but the backlight lights The characters or waveforms are distorted The display is dim and the brightness control does not make it brighter The Diagnostic Check screen appears in the monitor mode and OK is displayed at the POWER ON CHECK RESULT The Diagnostic Check screen appears in the monitor mode and an error message Is displayed at the POWER ON CHECK RESULT Refer to Power On Self Check in Section 3 The screen with a Check Program Running message does not change
46. There is no damage on the input socket and connection cord connector Yes No There is no damage and internal cut on the lead wire and connection cord Yes No Operation Keys The function of each key on the operation panel works correctly Yes No The function of each key on the screen works correctly Yes No Display The brightness is correctly adjusted Yes No There is no distortion on the screen Yes No Alarm indicator works properly Yes No Vital Sign Parameters ECG waveform heart rate and QRS synchronous mark are properly displayed with QRS synchronous sound generated Yes No Respiration waveform and respiration rate are properly displayed Yes No Plethysmographic pulse waveform and SpO data are properly displayed Yes No NIBP data systolic diastolic and mean blood pressures are acceptable Yes No Multi parameter sockets recognize the respective connection cords and the waveforms and data are properly displayed Yes No ALL ZERO key and multi parameter key on the screen allow zero balance of the blood pressure transducer Yes No Alarm functions properly Yes No Alarm sound works properly Yes No Specified sensor and transducers are used Yes No Recorder Waveforms are clearly recorded on the paper Yes No Alphanumeric data is clearly recorded on the paper Yes No Date and time is recorded on the paper Yes No Specified recording paper is used Yes No Data Backup System setup data is saved Yes No Clock fu
47. Wb NIBP7174k LCD7 7 MRIZ ER dan AIF F BLU tI FH dn 380 UA UT FR hM H YF f 73 MYyY 5 5K F NN NIBP F 44 yi F Rj7 7 W ECG 1473 Service Manual BSM 2300 8 REPLACEABLE PARTS LIST BSM 2351 2353 2354 NG NN AT WID WA BSM 2354 only e gt o lt LO OI CN VE LO C Qu DM n Service Manual BSM 2300 8 11 8 REPLACEABLE PARTS LIST Index NK Code No Qty Description AF 628777 1 Cable between Analog and IBP boards ANALOG F IBP k F 7 7 Wb AF 692181A 1 Cable between Analog and IBP boards ANALOG7h F IBP R KE 7 Ib AG 613187A 1 15 V DC supply harness N 9 5 7 Ib AH UR 3681 l IBP board holder included AH UR 3876 1 IBP board holder included AI UR 3838 l LCD IF board LCD IF F AJ UR 3839 l Inverter IF board dan AFE A B 1 Operation board JER F BC UR 3841 1 Operation amp Power SW boards Caen I Power SW board N U M YT E D 613213A l Cable between Operation and MAIN boards 7592 4 7 Ib E 613222A l Cable between Operation and Power SW boards N 249F4 7 W F 671506 1 LCD unit LCD1 yk G 674717 l Cable between LCD IF and LCD Y 3WT 357 2 Wb MAIN boards Ferrite core included H 539463 1 Inverter board uw 28 E I 613151A l Cable between MAIN and Inverter boards dan 55 7 W J 674726 1 Cable between Inverte
48. X N L ZHIN OG euun JeeH IW dnyoeg NYE ueis s WOH uJleis S 000D3S89DN Nd ISOH INOuda 9L X v9 pJeod NIYIN Koneg Joyoede WOW 1008 unir jedns 1 31 Service Manual BSM 2300 1 GENERAL BSM 2351 2353 2354 gt h X Q NEED NEED D NE I ped y eueg 1U0J4 peog uonejedo Jexyeeds pued 10043 pieog MS 19M0d JEM pieog JojedIPU Wel picoq d8IN peog Josuas EH lH 1 1910 U090J91 Una Ueae YONOL p JeAuq SE C31 J9 0410090J9 N A ddns s1emod WOJ p e u JOIEOIDUL wey sngA mo sosuas JINSLE WN ddiN NVHS 8X4 ZIG Nyy JeppBreyg INVHGS X IN Set oyde pseog dd ou sey LGET NSA PJ1809 ddl 18P10Q af am p llop e Aq pepunouns OO y seoe daij yun odg Jo9 9N 90S dN oul WYSET NSA ul xx 1911SAUu0O OG o1 OG K 1J dno5 1do 18161 1e184dued ndo NHOOV OISV UIEN Joje1ouoet punos WS kr 0 4 pus Jejdnoo 1dQ joesou jeseu jeu6iq LAM MOVLA 359 a 1dn u91u jeseu 19898 i Asc soul ales diuo Tb Jeynq sng eoepuelu U99J9S uono q91 Lal dl q21 194905 XNV 0 Jang a reza 0 eoeneju J AUG em em Viel x i uondo I 108 _ i Je 041U020J0IN jddng semod apd er di 184 UMd i SE 19 AZL rs EE E Sd AGL gl MS 19s t ieyeg oav Sd ASE B 104409 Q97 of Gd 4
49. block In case of BSM 2303 2304 2353 2354 Disconnect the connection cable which connects between the Analog board and IBP board 5 10 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY The BSM 2304A and BSM 2354A monitor have the MP506 Oximax pulse oximetry module which is attached to the Analog board When replacing this module with a new one check that the settings of the DIP switch SW1 on the new module are correct and that the pin protector is removed from the new module Refer to Section 8 Replaceable Parts List V AAA EE I Since a pin protector is attached to this socket remove the pin protector from the socket Otherwise the module cannot be attached to the Analog board DIP switch SW 1 A wrong setting disables SpO measurement and an SpO Module Error message will be displayed on the screen Service Manual BSM 2300 5 11 5 DISASSEMBLY AND ASSEMBLY Replacing the NIBP Board Perform the following procedure after the Replacing the Analog Board procedure 1 Disconnect the NIBP cable and line frequency detection wire from the NIBP board 2 Remove the 4 screws marked with circles in the following picture which secure the NIBP board to the chassis block NIBP cable Line frequency detection wire 3 Remove the spacer bolt from the NIBP board and remove the NIBP board from the chassis block Spacer bolt 5 12 Service Manual BSM 2300 Service Manual BSM 2300
50. cable is connected to this equipment and or system it may cause increased electromagnetic emission or decreased electromagnetic immunity The specified configuration of this equipment and or system complies with the electromagnetic requirements with the specified configuration Only use this equipment and or system with the specified configuration Service Manual BSM 2300 ili Caution continued 8 Use of unspecified configuration When the equipment and or system is used with the unspecified system configuration different than the configuration of EMC testing it may cause increased electromagnetic emission or decreased electromagnetic immunity Only use this equipment and or system with the specified configuration 9 Measurement with excessive sensitivity The equipment and or system is designed to measure bioelectrical signals with a specified sensitivity If the equipment and or system is used with excessive sensitivity artifact may appear by electromagnetic interference and this may cause mis diagnosis When unexpected artifact appears inspect the surrounding electromagnetic conditions and remove this artifact source If the above suggested remedial actions do not solve the problem consult your Nihon Kohden distributor or representative for additional suggestions The CE mark is a protected conformity mark of the European Community The products herewith comply with the requirements of the Medical Device Directive 93 42 EEC The CE
51. calibration of the touch screen does not match the key Faulty MAIN board display on the screen rene ee Touch screen does not The key function on Faulty connection Check the connection work the entire screen does between the touch not work screen and CN0701 on the Connection board Faulty MAIN board Replace the MAIN board Faulty touch screen Replace the touch screen The key function ona Faulty touch screen Replace the touch screen partial screen such as upper half screen does not work 2 4 Service Manual BSM 2300 2 IROUBLESHOOTING ECG and Respiration by Impedance Method Problems Possible Cause Criteria ATTACH ELECTRODES The setting Number of electrodes is set to a message Is displayed even after each electrode contact Set the number of electrodes correctly higher number than the actual number of the electrodes part of the electrode lead is The electrode lead ECG connection cord or Replace the accessory with a new one short circuited patient cable is faulty Faulty Analog board Replace the Analog board with a new one Hum line frequency noise The contact between the patient s skin and Replace all the electrodes with new is on the ECG waveform electrode is poor or gel of the electrode is dry ones An electric blanket is used on or near the Cover the blanket with a shielding patient sheet The instrument uses the AC outlet connected Use a different AC outlet to a equipmen
52. code X208 clock operation backup ur 107002 Retainer ring Must be replaced with a new one when the platen roller is replaced 445074 Thermal array head Approx 250 stacks or more of the recording paper 445109C Paper drive motor Approx 6 000 stacks or more of the recording paper e Long bladed Phillips screwdriver insulated with magnetized tip e Long bladed flat screwdriver insulated with magnetized tip e Anti static bench mat connected to appropriate ground e Anti static wrist strap connected to appropriate ground e 3 mm hex socket driver e Tweezers e Nippers e Cable ties 6 1 6 MAINTENANCE Measuring and Test Equipment 6 2 To repair check or adjust the instrument the following measuring and test equipment or equipment with similar function and performance is required Digital Voltmeter A digital tester with at least 3 1 2 digits LCD display that can measure voltage current and resistance Cathode ray Oscilloscope An oscilloscope with a bandwidth of more than I MHz and a sensitivity of more than 10 mV cm Function Generator A function generator with a range of 1 Hz to at least I kHz with 1 or better frequency accuracy AX 800P Vital Sign Simulator The simulator outputs simulated waveforms 1 e ECG waveform respiration curve 4 blood pressure waveforms 2 temperature fixed values and cardiac output curve 548631A Adapter Cable Although the simulator has the connection cable for
53. connection cord SW_2 Zero balance switch 2 3 4 5 6 7 8 9 6VF 6 V supply voltage AEF Analog ground Oo 9 14 Service Manual BSM 2300 Operation Board CN101 for CN0202 on MAIN board 9 CONNECTOR PIN ASSIGNMENT Signal Description Signal Name Er Signal Name Signal Description SILENCE ALARMS key LED BATCHG Battery charging LED MENU key HOME key NIBP START STOP key NIBP INTERVAL key LED_BATOP LED_STBY 5V 15V Digital ground Digital ground Digital ground O G I O no A Q DB Digital ground Power switch POWER_KEY CN102 for CN103 on Power SW board Pin Number Signal Name Signal Description 15V 15 V supply voltage 5V 5 V supply voltage POWER KEY Power switch LED STBY AC power LED LED BATOP Batter power LED LED BATCHG Battery charging LED E2 Digital ground E2 Digital ground 2 3 4 5 6 7 8 9 E2 Digital ground E E2 Digital ground Service Manual BSM 2300 Battery power LED AC power LED 5 V supply voltage 15 V supply voltage Not connected Not connected Not connected Not connected Not connected 9 15 9 CONNECTOR PIN ASSIGNMENT Power SW Board CN0103 for CN102 on Operation board Refer to CN102 for CN0103 on Power SW board in the Operation Board section Inverter Board CN1 for CN0802 on MAIN board Pin Number Signal Name Signal Description 15 V supply voltage for backlight 15 V s
54. connector as ECG The RGB analog signals are sent to the RGB output socket on this board through the AUX socket of the bedside monitor 4 17 4 BOARD UNIT DESCRIPTION This page is intentionally left blank 4 18 Service Manual BSM 2300 Section 5 Disassembly and Assembly Removing the Chassis e Le 5 1 Replacing the MAIN Board E 5 6 Replacing the Analog Board 5 10 Replacing the NIBP Board E 5 12 Replacing the IBP BOard E 5 14 Replacing the Inverter Board BSM 2301 2303 2304 5 15 Replacing the Inverter Board and Inverter IF Board BSM 2351 2353 2354 5 17 Replacing the LCD Unit BSM 2301 2303 2304 5 19 Replacing the LCD Unit BSM 2351 2353 2354 nennen nnns 5 21 Replacing the LCD IF Board BSM 2351 2353 2354 5 23 Replacing the Backlight Lamp Unit BSM 2301 2303 2304 5 24 Replacing the Backlight Lamp BSM 2351 2353 2354 5 26 Replacing the Lithium BEAN avse TET 5 28 Replacing ihe es E PACK E 5 29 When the Recorder Module is Not Attached to the Instrument 5 29 When the Recorder Module is Attached to the Instrument
55. current limiter 1 GENERAL Manual STAT Continuous Periodic 2 2 5 5 10 15 30 min 1 2 4 8 hr interval PWTT PWTT is not available on the BSM 2304A monitor Updated every measurement Generated at every measurement completion when set on the SYSTEM SETUP SCreen 15 to 260 mmHg in 5 mmHg steps OFF OFF 10 to 255 mmHg in 5 mmHg steps 0 to 45 C 0 1 C 25 C Temp 45 C 0 2 C 0 C Temp lt 25 C within 0 005 C C O C to 45 C 32 to 113 F Every 3 s or when alarm is generated 0 1 to 45 C 32 to 113 F in 0 1 C 1 F steps OFF OFF 0 to 44 9 C 31 to 112 F in 0 1 C 1 F steps IBP respiration thermistor method and CO mainstream 1 MQ 10 lt 2 Q lt 100 mA Maximum current from 5 V DC connector lt 100 mA Invasive Blood Pressure IBP Measuring range Measuring accuracy Auto zero balancing range Auto zero balancing accuracy Transducer sensitivity Pulse rate counting range Pulse rate counting accuracy Noise Temperature zero drift Frequency response Display update cycle BP sync sound Alarm Upper limit range Lower limit range Service Manual BSM 2300 50 to 300 mmHg mmHg 1 digit 50 mmHg lt IBP lt 100 mmHg 1 x1 digit 100 mmHg lt IBP lt 300 mmHg 200 mmHg mmHg 50 uV V 10 mmHg 0 12 to 300 beats min 2 beats min Within 1 mmHg 0 1 mmHg C DC to 20 Hz 3Hz DC to 12 Hz x3Hz Every 3 s
56. cyclic redundancy check technique This check assigns a count number when one set of checks is successfully completed If an error message appears the MAIN board will be faulty Procedure to Start and Exit the DPU ROM Check Program 1 To select the DPU ROM Check touch the ROM CHECK key at the DPU CHECK column The instrument repeats the check and increments the pass count until you touch the RETURN key If the check program finds an error it displays the ERROR message on the screen 2 To return to the MANUAL CHECK MENU screen at any time touch the RETURN key 3 38 Service Manual BSM 2300 3 DIAGNOSTIC CHECK DPU RAM Check xxx DPU RAM CHECK xxx HECKING PATTERN 202 PASS COUNT 0002 ADDRESS RITE READ ADDRESS HRITE READ START STOP ADDRESS BUS CHECK OK RETURN This item checks the RAM in the DPU on the MAIN board by comparing the test patterns first written to the RAM with the test patterns later read from the RAM If an error message appears the DPU board will be faulty Procedure to Start Stop and Exit the DPU RAM Check Program 1 To select the DPU RAM Check touch the RAM CHECK key at the DPU CHECK column The check program automatically starts The START key is highlighted to indicate the process of checking If the check program finds an error it displays the address written data and read data on the screen 2 To stop the check temporarily touch the
57. error message appears the MAIN board will be faulty 3 44 Service Manual BSM 2300 Service Manual BSM 2300 3 DIAGNOSTIC CHECK NETWORK CARD Check This item checks the QI 101P network card and its Interface To perform this check the optional QI 101P network card is required CARD ATTRIBUTE BYSTEM RAM CHECK RHUN ROM DG BY CARD THAR ROM D XXX HETHORKCRRD CHECK xxx CRRD RTTRIBUTE HRKER NIHON KOHDEN CORPORATION DIVISION DPC TYPE LAN REVISION 01 01 VERSION 00 17 MAC ADDRESS 00 80 38 00 7F 03 SUM 55031906 RETURN Procedure to Start the NETWORK CARD Check Program I To select the NETWORK CARD Check touch the NETWORK CARD CHECK key at the COM CHECK column The check program recognizes the type of card and displays the attribute data which is memorized in the card If the QI 101P network card is not inserted the INSERT NETWORK CARD message appears on the screen instead of the above screen example At that time when you insert the network card a few seconds later the above screen appears automatically If the check program can read the attribute data at the CARD ATTRIBUTE correctly and there is no error at the attribute data at COMMON RAM CHECK BY HOST but the instrument has no communication with the network the network cable or hub will be faulty If an error message appears at one of the five checks the network card or MAIN board will be faulty Touch the ROM CHECK
58. key on the screen The CPU of the network card checks the program data of the ROM m the CPU using the check sum method and displays the check result on the following screen XXX HETHORKCARD CHECK XXX CARD ATTRIBUTE ROM CHECK CHECK s m reka CALCULATED SUM EYSTEM RAM CHECK RO CHECK 00 THRU FAM DH E BY CRRD lI hp FAM DH E STRRT STOP RETURN 3 45 3 DIAGNOSTIC CHECK 3 46 CHECK Displays the check result i e OK or ERROR When the CALCULATED SUM data is same as the SUM data OK appears SUM The sum data of the program data stored in the ROM CALCULATED SUM The sum data calculated from the program data in the ROM Touch the SYSTEM RAM CHECK key on the screen The CPU of the network card checks the system RAM in the CPU by writing the check data as a pattern and reading the stored check data and comparing the written data with the read data If an error 1s found the host CPU on the MAIN board displays the address at the error occurrence written data and read data on the following screen XXX HETHORKCARD CHECK XXX CARD ATTRIBUTE SYSTEM RAM CHECK ROM CHECK CHECK SYSTEM RAM CHECK 00 RDDRESS HRITE READ RDDRESS HRITE READ RETURN Touch the COMMON RAM CHECK BY CARD key on the screen The CPU of the network card checks the common memory of the network card The host CPU on the MAIN board receives the check result and displays it on the screen If an error is f
59. key to start the check program The START key changes to MEASURE START key and blinks 4 Immediately increase the pressure inside the dummy cuff with the hand bulb pump up to about 20 mmHg and pinch the hose of the hand bulb pump 5 When the pressure becomes stable touch the blinking MEASURE START key to measure the pressure The blinking stops The instrument displays the pressure value after the valve 2 opens for 100 milliseconds Check that the pressure difference between the two pressures is within the range of 2 to 8 mmHg If the pressure difference is out of the range an ERROR message appears and the NIBP board or pneumatic component such as pump valve or tube is faulty 7 Air Leak Since 5 Pressure Hold check covers this check which requires the special tool not available locally this check is not necessary for you 8 Air Circuit 1 Disconnect any air hose from the NIBP socket on the instrument 2 Touch the SELECTT key or SELECTA key to select the 8 AIR CIRCUIT item 3 Touch the START key to start the check program The pump works 4 Check that OK message appears on the screen after about 5 seconds If ERROR message appears the pneumatic component such as pump valve or tube will be faulty 3 37 3 DIAGNOSTIC CHECK DPU ROM Check xxx DPU ROH CHECK xxx CRC CHECKING PRSS COUNT 0000 RETURN This item checks the ROM in the DPU on the MAIN board by the CRC
60. keys always have the same functions regardless of the screen display In this manual hard keys are indicated by CAPITAL LETTERS When the MENU key is pressed or the screen is touched the screen displays several keys which have different functions depending on the screen display For example when the HR numeric display is touched the ECG setting screen appears and several keys such as VITAL ALARM ARRHYTH ALARM OTHER SETTING etc are displayed In this manual soft keys are indicated by quotation marks for example the PATIENT INFO key 1 29 1 GENERAL Upgrading the System Software and Changing Language on the Screen CAUTION Upgrading the system software and changing the language on screen erases all system and individual bed settings Write down these settings so they can be re entered after the software upgrade The instrument uses a program card for upgrading its system software and changing the screen language When the instrument detects that a program card is inserted into its PCMCIA card slot during the booting stage after it is turned on it checks the program card for a system program or language If the program card contains a newer version of the system program or language the instrument automatically replaces its current system program or language information with the new one If the program card contains a system program whose version number is the same or older than the current one in the instrument you ha
61. mark only applies to the BSM 2300K bedside monitor NOTE about Waste Electrical and Electronic Equipment WEEE directive 2002 96 EEC For the member states of the European Union only The purpose of WEEE directive 2002 96 EEC is as a first priority the prevention of waste electrical and electronic equipment WEEE and in addition the reuse recycling and other forms of recovery of such wastes so as to reduce the disposal of waste Contact your Nihon Kohden representative for disposal at the end of its working life IV Service Manual BSM 2300 When measuring SpO various interference may produce false waveforms which look like pulse waveforms SpO value and pulse rate may be measured from these false waveforms causing the alarm to function improperly When installing the monitor avoid locations where the monitor may receive strong electromagnetic interference such as radio or TV stations cellular phone or mobile two way radios WARNING Interaction Between Minute Ventilation Rate Adaptive Pacemakers and Cardiac Monitoring and Diagnostic Equipment The bioelectric impedance measurement sensor of a minute ventilation rate adaptive implantable pacemaker may be affected by cardiac monitoring and diagnostic equipment which is connected to the same patient If this occurs the pacemaker may pace at its maximum rate and give incorrect data to the monitor or diagnostic equipment If this occurs disconnect the monitor or diagnosti
62. marked with circles in the following picture Remove the inverter IF board from the board holder 5 18 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY Replacing the LCD Unit BSM 2301 2303 2304 Perform the following procedure after the Replacing the Inverter Board BSM 2301 2303 2304 procedure step 2 1 Remove the 6 screws which secure the LCD unit with the holder to the front enclosure and remove the LCD unit and the holder from the front enclosure CAUTION e If the LCD unit is adhered to the touch screen of the front enclosure carefully peel the touch screen off from the edges to the center e Since the touch screen is covered with glass do not apply excessive mechanical shock such as dropping or pressure to the touch screen e Pay attention to the sharp glass parts such as the touch screen edges It can cause cuts and injuries Front enclosur k k X x es RE ML re ga Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY 2 Remove the 4 screws which secure the LCD unit to the holder and remove the LCD unit from the holder 5 20 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY Replacing the LCD Unit BSM 2351 2353 2354 Perform the following procedure after the Replacing the Inverter Board and Inverter IF board BSM 2351 2353 2354 procedure step 2 1 Remove the filament tape which covers the touch screen cable Remove the 10 screws marked with circles in the following picture Remov
63. or electrically conductive materials e Discard used batteries according to your local laws Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY Replacing the Battery Pack When the Recorder Module is Not Attached to the CAUTION Instrument e Turn off the instrument and disconnect the power cord from the instrument before beginning the procedure e Before placing the instrument on atable if its surface is dirty hard or rough cover the table with a clean soft and smooth material to avoid making the screen dirty and damaging the screen 1 Place the instrument face down on the table as shown to the left Screws 2 Remove the 3 screws from the bottom of the Instrument with a long Phillips screwdriver Separate the battery box from the Instrument and put the battery box close to the Instrument because the battery cable is connected to the battery pack in the battery box Battery box 3 Disconnect the battery pack from the battery cable and remove the battery pack from the battery box Battery pack Service Manual BSM 2300 5 29 5 DISASSEMBLY AND ASSEMBLY 4 Connect a new battery pack to the battery cable 5 Installthe new battery pack into the original position CAUTION If the battery pack is incorrectly placed in the space for the battery pack the battery pack does not fit the space To check the position of the battery pack check
64. previous bedside monitors such as BSM 2100 3101 7000 8300 8502 8800 the new bedside monitors such as BSM 1100 2301 4100 9510 and BSS 9800 require this adapter cable instead of the previous bedside monitor connection cable YS 077P1 NIBP Dummy Cuff A 700 mL container that is needed for some NIBP check items in the diagnostic check mode YS 077P2 NIBP Dummy Cuff A 250 mL container that is needed for some NIBP check items in the diagnostic check mode 6443 000022B NIBP Dummy Cuff A 72 mL container that is needed for some NIBP check items in the diagnostic check mode Extension Board Designed for the maintenance of the boards The MAIN board and Analog board can be connected through the extension board The extension board consists of the following components Printed circuit board 6190 022193 Connector 611082 Connector 611073 These components must be assembled locally Service Manual BSM 2300 6 MAINTENANCE Maintenance Check Items and Schedule External Perform this maintenance check once every six months A maintenance check sheet is provided at the end of this section Make a copy of this check sheet before using it The check items are grouped as follows e External e Input conditions e Operation e Display e Recorder e Interface e Vital sign parameters e Power e Data backup e Safety e Others Following are the procedures for each check item Dirt stain or crack Check that there is no
65. system setup data If the clock IC and NVRAM have no error the OK message appears on the screen and current date and time appear at the top of the screen If an error message appears the MAIN board will be faulty Procedure to Execute the OTHER Check Program 1 To select the OTHER Check touch the OTHER CHECK key The program starts the checking automatically and several minutes later the program displays the result of checking 2 To return to the MANUAL CHECK MENU screen touch the RETURN key 3 16 Service Manual BSM 2300 3 DIAGNOSTIC CHECK MEMORY CARD Check XXX MEMORY CARD CHECK xxx XXX MEMORY CARD CHECK XXX RTTRIBUTE RADA ITTRTEU HECK E O1FFOSFF 31FF1DFF FFFF14FF OOFF15FF O3FFO4FF OOFFFFFF 40FF23FF OOFFOOFF OOFFOOFF OOFFOOFF OOFFOOFF O1FF4EFF 43FF48FF 4FFF4EFF 20FF4BFF 4FFF48FF 44FF45FF 4EFF20FF 43FF4FFF 52FF50FF 4FFF52FF 41FF54FF 49FFAFFF 4EFFOOFF OOFF44FF O4FFOOFF OOFFOOFF O0FF80FF PASS COUNT BATTERY 70 20FF50FF 4DFF53FF OOFFOOFF OOFFOOFF OOFFOOFF OOFFOOFF OOFFOOFF OOFFOOFF BANK ADDRESS WRITE READ BANK ADDRESS WRITE READ WRITE PROTECT OFF OOFFOOFF OOFFOOFF OOFFOOFF OOFFOOFF OOFFOOFF OOFFOOFF OOFFOOFF OOFFOOFF OOFFSiFF O2FFSOFF FFFFFFFF OOFFOOFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF STRRT STOP 7 RETURN START ELM DDRESS BUS CHECK ERRO RETURN This item checks t
66. to 295 beats min in 5 beats min steps TACHYCARDIA BRADYCARDIA ASYSTOLE Respiration Transthoracic impedance pneumography Measuring lead Measuring impedance available range Internal noise Excitor current Frequency response Time constant Respiration counter counting range Respiration rate counting accuracy Defibrillation proof Waveform display Display sensitivity Sensitivity control Measurement On Off Respiration rate display update cycle Alarm Upper limit range Lower limit range Apnea time Service Manual BSM 2300 R F or R L 0 to 2 KQ lt 0 2 Q Refer to input 30 10 uArms at 40 kHz 3 0 Hz 1 Hz 3 dB Hardware specification 1 5 s 0 5 s Hardware specification 0 to 150 breaths min 2 breaths min Respiration input protected against 400 J discharge 10 mm Q 20 at x1 sensitivity Zo 480 Q x1 4 x1 2 x1 x2 x4 Available Every 3 s or when alarm is generated 2 to 150 breaths min in 2 breaths min steps OFF OFF 0 to 148 breaths min in 2 steps OFF 5 to 40 s in 5 s steps 1 15 1 GENERAL SpO Measuring range Pulse rate counting range SpO accuracy SpO display Pulse rate display update cycle Sync tone modulation Waveform sensitivity Alarm Upper limit range Lower limit range Non Invasive Blood pressure NIBP Measuring method Measuring range Accuracy Cuff inflation time Initial cuff inflation pressure Safety Cuff inflation
67. to the alarm settings Green lamp blinks in synchronization with the patient s QRS For carrying the monitor SILENCE ALARMS key Silences the alarm sound 4 NIBPINTERVAL key Selects NIBP measurement mode Pressing this key changes the mode 5 NIBP START STOP ke Starts NIBP measurement in selected mode Pressing the key during d measurement stops measurement Power switch Press and hold for more than one second to turn the monitor power on or off ER Power lamp Lights when the monitor power is turned on Lights when the power cord is connected between the AC SOURCE socket 10 AC power lamp and AC outlet Battery power lamp Lights when operating on the battery power Battery charging lamp Lights or slowly blinks when charging 3 Displays monitoring data Touching a key or data on the screen changes displaying screen and settings 14 Record key Press to start or stop recording Out of paper lamp Blinks when out of paper Lights when paper magazine is open Service Manual BSM 2300 1 25 1 GENERAL Left Side Panel BSM 2301A C K BSM 2303C K BSM 2351A C K and BSM 2353C K TEMP socket Connects to the temperature probe cord PRESS 1 socket Connects to the IBP connection cord Not available on BSM 2301 2351 Battery box Refer to Warning and Caution in the General Safety Information section Multi parameter socket Connects to the connection cord of the parameter to be monitored IBP P
68. to the next screen after the power is turned on System error information appears at the upper left corner on the screen in the monitor mode and the instrument restarts More than 6 pixels on the screen do not light or have abnormal color Note that up to 6 pixels with such a problem is considered normal No waveform is displayed but the connection cord for each vital sign is recognized No waveform is displayed and the connection cord for each vital sign is not recognized Service Manual BSM 2300 Faulty backlight lamps Replace the backlight lamps Check the connection Replace the LCD unit Replace the MAIN board Replace the MAIN board Set the POWER SAVE MODE to OFF on the SYSTEM SETUP screen Dirt on the touch screen inside or Clean the surface of touch outside screen The backlight lamps are near the end Replace the backlight lamps of its useful life 50 000 hours of operation Faulty connection between CN0802 on the MAIN board and inverter board Faulty Operation board Replace the Operation board Faulty MAIN board Replace the MAIN board Faulty MAIN board Replace the MAIN board Faulty Analog board Replace the Analog board Interference such as electrostatic Perform the system initialization discharge temporarily breaks the program data Faulty MAIN board Replace the MAIN board Faulty Analog board Replace the Analog board Faulty MAIN board Replace the MAIN board Faulty co
69. voltage 10 Check that the instrument is correctly connected to other equipment according to the operator s manual Use only the line voltage within the correct range If there is a wrong connection connect the equipment to the instrument correctly according to the operator s manual Check that the instrument has no abnormal Remove the cause of abnormal vibration vibration or resonant sound or resonant sound Check that there are no loose screws If any screw is loose tighten it Check that there is no error on the screen when performing the optional card checks such as ATA Card Check and Network Card Check on the Manual Check Menu screen Check that the instrument is installed in a suitable If the conditions are not suitable improve location according to the operator s manual them Remove the cause if an error occurs 6 7 6 MAINTENANCE Maintenance Check Sheet Refer to the Maintenance section of the service manual for details Customer Customer Address Service Personnel Service Company Instrument Name Instrument Model Instrument Serial Number Hardware Revision Software Revision External There is no dirt stain and crack on the instrument Yes No There are no damaged switches and key top covers Yes No The warning and caution labels are clearly readable Yes No Input Conditions There is good contact between the input socket on the instrument and connector of the connection cord Yes No
70. 0 When the instrument is used with a defibrillator make sure that the instrument is protected against defibrillator discharge If not remove patient cables and or transducers from the instrument to avoid possible damage WARRANTY POLICY Nihon Kohden Corporation NKC shall warrant its products against all defects in materials and workmanship for one year from the date of delivery However consumable materials such as recording paper ink stylus and battery are excluded from the warranty NKC or its authorized agents will repair or replace any products which prove to be defective during the warranty period provided these products are used as prescribed by the operating instructions given in the operator s and service manuals No other party is authorized to make any warranty or assume liability for NKC s products NKC will not recognize any other warranty either implied or in writing In addition service technical modification or any other product change performed by someone other than NKC or its authorized agents without prior consent of NKC may be cause for voiding this warranty Defective products or parts must be returned to NKC or its authorized agents along with an explanation of the failure Shipping costs must be pre paid This warranty does not apply to products that have been modified disassembled reinstalled or repaired without Nihon Kohden approval or which have been subjected to neglect or accident damage due to acc
71. 0 1 C 1 F steps OFF OFF 0 to 44 9 C 31 to 112 F in 0 1 C 1 F steps Service Manual BSM 2300 1 GENERAL Multi parameter Amplifier Measuring parameters IBP respiration thermistor method and CO mainstream Input impedance I MQ 10 Excitor output impedance 20 Excitor current limiter lt 100 mA Maximum current from 5 V DC connector lt 100 mA Invasive Blood Pressure IBP Measuring range 50 to 300 mmHg Measuring accuracy mmHg 1 digit 50 mmHg IBP lt 100 mmHg 1 1 digit 100 mmHg lt IBP 300 mmHg Auto zero balancing range 200 mmHg Auto zero balancing accuracy mmHg Transducer sensitivity 50 uV V 10 mmHg Pulse rate counting range 0 12 to 300 beats min Pulse rate counting accuracy 2 beats min Noise Within x1 mmHg Temperature zero drift 0 1 mmHg C Frequency response DC to 20 Hz 3Hz DC to 12 Hz x3Hz Display update cycle Every 3 s or when alarm is generated BP sync sound Provided systolic value 20 to 120 mmHg changes in 20 steps every 5 mmHg Alarm Upper limit range 2 to 300 mmHg in 2 mmHg steps OFF Lower limit range OFF 0 to 298 mmHg steps in 2 mmHg steps Respiration Thermistor method Respiration rate counting range 0 to 150 breaths min Apnea 5 to 40 s Accuracy 2 breaths min Noise Within 20 Q Refer to input Frequency response 3 0 Hz 3 dB Time constant 21 55 Waveform display Display sensitivity 10 mm 100 Q 20 at x1 sensitivity Sens
72. 1 12 Electromagnetic Compatibility 1 12 SN e Le M akan aswa 1 12 Service Manual BSM 2300 1C 1 1C 2 ei 1 14 prz en 1 14 MU 1 14 MN 1 14 Eu 1 14 Respiration Transthoracic impedance pneumography 1 15 OE bre D QUIM PRIN NEN ree UNE M 1 16 Non Invasive Blood pressure NIBP 1 16 Temperature 1 16 Multi parameter Amplifier 1 17 Invasive Blood Pressure IBP 1 17 Respiration Thermistor method 1 17 Eee 1 17 ge e ai EE 1 18 Vilal Signs E 1 18 Recorder Module optional WS 231P 1 18 DUE ET e E 1 19 Power Requiremeni E 1 19 EI ee E 1 19 EANN O IN EE 1 19 Dimensions and Weight 1 19 Electromagnetic Compatibility 1 19 Salei Standard 1 19 ENN 1 22 Panel Descripti
73. 204 on MAIN board Refer to CN0204 for CN001 on REC MAIN board in the MAIN Board section CN002 for CN0205 on MAIN board Refer to CN0205 for CN002 on REC MAIN board in the MAIN Board section CN003 for CN103 on REC Power board Signal Description Signa Name in Number Signal Name Signal Description Motor control Motor phase control Motor control Motor phase control Paper mark sensor enable Paper detected signal signal Mark detected signal Magazine condition detected signal Record request signal 24 V status Digital ground Digital ground 3 3 V supply voltage 5 V supply voltage 15 V supply voltage 15 V supply voltage 15 V supply voltage 15 V supply voltage Digital ground Digital ground Digital ground Digital ground Thermal array head data Thermal array head data strobe enable signal signal Thermal array head serial Thermal array head serial data data transfer clock Record key status Digital ground Out of paper LED indicator Thermistor data 9 20 Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT REC Key Board CN201 for CN104 on REC Power board Pin Number Signal Name Signal Description 5 V supply voltage Out of paper LED Record key Digital ground Digital ground REC Power Board CN101 for recorder unit Pin Number Signal Name Signal Description Motor control signal Motor control signal Motor control signal Motor control signal 3 3
74. 2301A C K and BSM 2303C K UR 36121 Analog Board for BSM 2351A C K and BSM 2353C K UR 3712 Analog Board for BSM 2304A UR 3875 Analog Board for BSM 2354A UR 3611 Alarm Indicator Board UR 3643 NIBP amp Hall Sensor Boards for all models except BSM 2354A UR 3880 NIBP amp Hall Sensor Boards for BSM 2354A UR 3644 1 Operation amp Power SW Boards for BSM 2301A C K BSM 2303C K and BSM 2304A UR 3841 Operation amp Power SW Boards for BSM 2351A C K BSM 2353C K and BSM 2354A UR 3681 1 2 IBP Board for all models except BSM 2354A UR 3876 IBP Board for BSM 2354A UR 3838 LCD IF Board for BSM 2351A C K BSM 2353C K and BSM 2354A UR 3839 Inverter IF Board for BSM 2351A C K BSM 2353C K and BSM 2354A Refer to Replaceable Parts List in Section 8 BSM 2301A C K and BSM 2351A C K have no IBP board 1 22 Service Manual BSM 2300 1 GENERAL Recorder Module option WS 231P UR 3615 REC MAIN Board UR 3616 REC Key amp Power Boards RG 922P Recorder Unit 3 Refer to Optional Recorder Module WS 231P in Section 8 Interface option QI 231P UR 3691 IO ANALOG OUT Board QI 236P UR 3731 IO CT OUT Board Service Manual BSM 2300 1 23 1 GENERAL Panel Descriptions Front Panel Without optional WS 231P recorder module With optional WS 231P recorder module 1 24 Service Manual BSM 2300 1 GENERAL Red or orange lamp blinks according
75. 3 211 2 mm x 158 4 mm 800 x 600 dots BSM 2301 2351 BSM 2303 2304 2353 6 traces 25 mm s 50 mm s Respiration and CO low speed 1 56 mm s 6 25 mm s BSM 2301 2303 2304 about 124 mm at 25 mm s sweep speed BSM 235 1 2353 12 12 Provided ECG respiration IBP SpO pulse wave and CO 5 traces about 154 mm at 25 mm s sweep speed Heart rate VPC rate ST level respiration rate IBP systolic diastolic mean NIBP systolic diastolic mean SpO pulse rate temperature ETCO and FCO Heart rate sync mark pulse rate sync mark respiratory sync mark Alarm synchronization click 3 types Pitch variable for IBP and SpO Upper lower limits alarm apnea alarm arrhythmia alarm connector disconnection alarm noise alarm electrode off alarm pulse waveform detecting alarm probe off alarm cuff hose check alarm sensor check alarm battery weak alarm operating environment alarm Crisis red blinking Warning yellow blinking Advisory yellow lighting Alarm indicator highlighted message alarm sound Provided for I or 2 min 500 mV 5mV lt 30 UVp p Refer to input 295 dB 25 MQ at 10 Hz lt 100 nA Moving average Instantaneous beat to beat selectable 0 12 to 300 beats min 2 beats min Service Manual BSM 2300 Arrhythmia analysis Analysis method Number of channels VPC counting rate Arrhythmia message Arrhythmia recall Number of recall files Storage time per file ST level measureme
76. 30 minutes or less and turning on on the MAIN board with a new one Clock function backup Check that the date and time is updated If the clock stops while the instrument is turned when the power is turned on off replace the lithium battery on the MAIN board with a new one Since the minimum backup period of the data stored at the EEPROM and system ROM is 10 years the data can be damaged over 10 years after the last setup or upgrade Every 10 years perform the upgrade and setup again 6 6 Service Manual BSM 2300 Safety Perform the following patient safety check after repairing the instrument Protective earth impedance refer to IEC 60601 1 18 f Earth leakage current refer to IEC 60601 1 19 Enclosure leakage current refer to IEC 60601 1 19 Patient leakage current refer to IEC 60601 1 19 Patient leakage current mains voltage on the applied part Dielectric strength refer to IEC 60601 1 20 Others Line voltage Patient leakage current Check that the impedance between the protective earth contact and any accessible metal part does not exceed 0 1 Q Check that the earth leakage current does not exceed 0 5 mArms under normal condition and 1 0 mArms under each single fault condition Check that the enclosure leakage current does not exceed 0 1 mArms under normal condition and 0 5 mArms under each single fault condition Check that the patient leakage current to type CF or defib
77. 30 seconds after the NIBP INTERVAL key is pressed The recording starts soon after the black square on the paper is detected SELF TEST PRQ No 1 DIP SWiTCH SETTING STATUS 12 ON OFF X X SYSTEM CHECK OK RG 921P version 01 01 m PANIHON KOHDEN i Service Manual BSM 2300 3 DIAGNOSTIC CHECK If an error is found one of the following error codes appears on the paper Eror Gei Description Acton ROM The ROM on the REC MAIN Replace the REC MAIN board is faulty board with a new one AM R The RAM on the REC MAIN Replace the REC MAIN board is faulty board with a new one A D The common memory in the Replace the REC MAIN RACOON ASIC on the REC board with a new one MAIN board is faulty To move to the SELF TEST PRO No 2 press the record key SELF TEST PRO No 2 This check program checks the paper speed slip and snaking A 0 5 Hz rectangular waveform and bar graph are recorded on the paper at 25 mm s paper speed by pressing the NIBP INTERVAL key To stop the recording press the NIBP INTERVAL key again To move to the SELF TEST PRO No 3 press the record key 25 mm sec 0 5 Hz rectangular waveform GENE ETER EG EE TEN gt Pq par EL IL frerirae FQWSO 3 100 K39801 EA NIHON 25 mm s 5 KEE A 47 5 to 52 5 mm
78. 304 only Speaker NIBP amp Hall Sensor boards The components such as pump valves and tubes are included N 9 T 2 Wb RER F N 7 A4 9 T8 F J992 57 7 W N 7 AM y TT 7 l LCD1 LCDT Y AIT 34 7 Wb dun 28 F dan 347 7 Ib N 37354 97 2 Ib Mw E N 9707 2 pb PTO k F 79 W F NIBP A 32 A AA tv F A 77 TE t EKF 1 4 ACA ybyk ACA Ybyk E1 A 44 Ray E53 5 xMY 55 7 Wb ACT 2 l AC4 7T VW AE Jh 7 QV MI 3453 Beg Service Manual BSM 2300 8 REPLACEABLE PARTS LIST Service Manual BSM 2300 BSM 2304 only Se BSM 2301 2303 2304 Te E Z GH GH y d UY end 7 8 7 8 REPLACEABLE PARTS LIST Bedside Monitor BSM 2351 2353 2354 Q D gt lt O GO I ON CA BWW GA 2 9 QI NN m NO 13 14 15 16 17 18 19 20 21 21 22 23 24 25 26 27 28 29 30 31 22 23 34 35 36 NK Code No 6122 04982A 6123 012721B 6124 040181 6124 041349 6124 040199 6124 041358 6124 040216 6124 040225 6124 026508 6111 08125A 6113 040157C 6114 107877 6114 004922B 6111 008107B 6113 051341B 6111 008152A 6114 117001A 128318 6114 112274 6114 125991 1279252 6113 039943B 6112 014669A 6114 107208 6111 006314C 6113 041129B 6113 052643 6190 023094 6113 042182 6190 023111 6112 14785B 458612 6142 02705B 551734 6113 023844D
79. A have Nellcor SpO socket instead of NK SpO socket 5 Disconnect the 4 cables as shown below CAUTION e To disconnect the touch screen cable film cable pull up the black flange of the socket on the MAIN board so that the cable is set free e Before disconnecting the touch screen cable film cable wear gloves to protect the film cable from fingerprints and any damage e When connecting the touch screen cable film cable to the socket check that the flange is set to the original position after the cable is properly inserted into the socket L Photo shows BSM 2351 2353 2354 Filament tape Service Manual BSM 2300 5 3 5 DISASSEMBLY AND ASSEMBLY 6 Remove the 10 screws from the chassis block as shown below lt Top side gt Screw with washer lt Left side gt 7 Slightly lift the chassis block and disconnect the inverter board cable from the chassis block 5 4 Service Manual BSM 2300 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY 8 Separate the front enclosure from the chassis block 9 Remove the speaker holder from the rear chassis by gradually swinging the speaker holder rightward and leftward NOTE in Assembling the Instrument Check that the speaker wires come out at the top of the speaker holder Speaker wires 5 5 5 DISASSEMBLY AND ASSEMBLY Replacing the MAIN Board Perform the following procedure after the Removing the chassis block procedure 1
80. BP measurement Recorder Module optional WS 231P Recording method Number of channels Recording width Paper speed Recording paper Resolution Dimensions Weight Interface optional QI 231P ECG analog output Output voltage Sensitivity Frequency Delay time Trigger output Output format External application signal QRS sync delay time Interface optional QI 236P ECG analog output Output voltage Sensitivity Frequency Delay time Trigger output Output format QRS sync delay time Service Manual BSM 2300 Thermal array recording 3 traces maximum 246 mm 25 50 mm s FQW50 3 100 Amplitude direction of waveforms 8 dots mm Time direction of waveforms 40 lines mm 8 lines mm graphic recording 212 W x 90 H x 140 D mm 1 5 ke within 5 V I V 1 mV 5 low 0 6 Hz 0 1 Hz 3 dB high 23 Hz 3 Hz 3 dB within 20 ms open collector voltage 5 to 15 V current 500 uA to 100 mA within 100 ms within 5 V I V 1 mV 5 low 0 6 Hz 0 1 Hz 3 dB high 23 Hz 3 Hz 3 dB within 20 ms TTL compatible within 20 ms 1 GENERAL External Output ZB 900PK External monitor Power Requirement Line voltage Line frequency Battery pack option Power consumption Clock Accuracy At operating temperature 25 C At storage temperature 20 to 60 C Environment Operating environment Temperature Humidity Atmospheric pressure Storage enviro
81. Battery pack option Power consumption Clock Accuracy At operating temperature 25 C At storage temperature 20 to 60 C Environment Operating environment Temperature Humidity Atmospheric pressure Storage environment Temperature Humidity Atmospheric pressure Dimensions and Weight Dimensions Weight Electromagnetic Compatibility IEC 60601 1 2 2001 Safety Standard Safety standard 1 GENERAL Provided 117 V x 1096 AC 50 or 60 Hz 2 10 8 to 15 0 V 5 AC operation 80 V maximum Battery operation 40 W maximum about 2 min 40 s month maximum about 5 min month maximum 10 to 40 C 30 to 90 RH 0 to 40 C non condensing 70 to 106 kPa 20 to 60 C 15 to 55 C Recording paper 10 to 90 RH 0 to 40 C non condensing 70 to 106 kPa 293 W x 272 H x149 D mm approx 5 kg IEC 60601 1 1988 Amendment 1 1991 Amendment 2 1995 IEC 60601 1 1 2000 IEC 60601 2 27 1994 Particular requirements for the safety of electrocardiographic monitoring IEC 60601 2 34 1994 Particular requirements for the safety of direct blood pressure monitoring equipment IEC 60601 2 30 1995 Particular requirements for the safety of automatic cycling in in direct blood pressure monitoring equipment IEC 60601 2 49 2001 According to the type of protection against electrical shock CLASS I EQUIPMENT AC Powered Internally Powered EQUIPMENT BATTERY Powered According to the
82. Cuff inflation maximum pressure Safety cuff inflation limiter Cuff inflation time limiter 1 8 I to 100 0 30 to 300 beats min 2 digits 80 SpO lt 100 3 digits 70 SpO lt 80 Every 3 s or when alarm is generated Change in 20 steps at 81 to 100 SpO x1 8 x1 4 x1 2 x1 x2 x4 x8 or AUTO 51 to 10096 SpO in 1 SpO steps OFF OFF 50 to 99 SpO in 1 SpO steps I to 100 0 20 to 250 beats min Adult 2 digits 7096 SpO lt 100 Neonate 3 digits 70 SpO lt 100 Every 3 s or when alarm is generated Change in 20 steps at 81 to 100 SpO x1 8 x1 4 x1 2 x1 x2 x4 x8 or AUTO 51 to 100 SpO in 1 SpO steps OFF OFF 50 to 99 SpO in 1 SpO steps Oscillometric 0 to 300 mmHg 3 mmHg 0 mmHg NIBP lt 200 mmHg 4 mmHg 200 mmHg lt NIBP lt 300 mmHg Adult 7s Neonate 5s Adult 180 mmHg Neonate 100 mmHg Adult 300 mmHg Neonate 150 mmHg Adult 330 mmHg Neonate 165 mmHg Adult lt 180 s Neonates lt 90 s Service Manual BSM 2300 Measurement mode NIBP data display update cycle Measurement completion sound Alarm Upper limit range Lower limit range Temperature Measuring range Measuring accuracy Temperature drift Temperature range Display range Display update cycle Alarm Upper limit range Lower limit range Multi parameter Amplifier Measuring parameters Input impedance Excitor output impedance Excitor
83. D G I ON CA A WO N m e m m Un BB Q N me C Red output Green output Blue output Vertical synchronous signal Horizontal synchronous signal Inhibit Reserve 01 Inhibit Reserve 02 Data Transmit RS232C Request to Send RS232C Data Set Ready RS232C Service Manual BSM 2300 Signal Description Not connected Touch screen U signal Not connected Touch screen R signal Not connected Touch screen A signal Not connected Touch screen L signal Not connected Touch screen B signal Not connected Touch screen D signal Not connected Touch screen C signal Not connected GREEN BLUE VSYNC HSYNC RESVOI RESV02 RSTXD XRSRTS XRSCD G I QN tA A Q DB E Oo 9 CONNECTOR PIN ASSIGNMENT Red output return Green output return Blue output return Digital ground Digital ground 5 V supply voltage Digital ground Data Receive RS232C Clear to Send RS232C Data Termination Ready RS232C 9 5 9 CONNECTOR PIN ASSIGNMENT CN0802 for Inverter board Pin Number Signal Name Signal Description 15 V supply voltage for backlight 15 V supply voltage for backlight Digital ground Digital ground Backlight ON OFF control Brightness control Not connected Not connected 2 3 4 5 6 7 8 9 Not connected Not connected 9 6 Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT CN1001 for LCD unit Pin Number Signal Name Signal Description Dig
84. DESCRIPTION IBP Board BSM 2301 and BSM 2351 have no IBP Board The IBP board has the input block for invasive blood pressure measurement This board consists of the exciter voltage generator and input amplifier The amplified blood pressure signal is sent to the multiplexer and A to D converter of the MP block in the floating area on the Analog board The digitized data of the blood pressure signal is sent to the microcontroller APU on the Analog board PRESS socket Connects to CN601 on the Analog board Low pass filter m x 195 3 Gain Wire beaking detector Exciter voltage generator IBP2 CHK 4 8 Service Manual BSM 2300 4 BOARD UNIT DESCRIPTION NIBP Board The NIBP board has the pressure sensor for NIBP measurement to detect the cuff pressure and convert it to an electrical signal There is no adjustment which can be done locally A microcontroller for safety control pressure sensor for safety solenoid valve pump and power supply cut off circuit for the valve and pump are on the NIBP board The cuff pressure is individually monitored by this safety circuit and the DPU on the MAIN board If a wrong operation such as excessive cuff inflation caused by the faulty MAIN board or the faulty measurement circuit on the NIBP board occurs the safety circuit on the NIBP board provides the multi safety functions so that the patient is protected from the wrong operation If the microcontroller works for th
85. DUAL PORT RAM CHECK RECORDER HARD CHECK PRINT TEST PATTERN RETURN Procedure to Start the WS RECORDER Check Program 1 To select the WS RECORDER Check touch the WS RECORDER CHECK key at the COM CHECK column 2 Touch the PRINT TEST PATTERN START key The host CPU communicates with the recorder CPU so that the above test pattern 1s recorded on the paper The START key is highlighted to indicate the process of checking Until you touch the STOP key paper runs continuously If the magazine is open or there is no paper these status are displayed on the screen If the status 1s not displayed in such condition the MAIN board REC MAIN board or recorder unit will be faulty Service Manual BSM 2300 3 43 3 DIAGNOSTIC CHECK SERIAL I F Check This item checks the serial communication interface for external equipment such as a personal computer To perform this check without a personal computer you must make the following short circuits at the AUX socket Pins 8 and 18 Pins 9 and 19 Pins 10 and 20 XXX SERIAL I F CHECK XXX 13200 13200 RTS CTS OK DTR DSR OK RETURN Procedure to Start the SERIAL I F Check Program To select the SERIAL I F Check touch the SERIAL I F CHECK key at the COM CHECK column The check program automatically starts To check the serial communication interface the check program changes the baud rate data bit length and parity check condition If an
86. Hall Sensor board 9 13 CN0103 for line frequency detection coil wire 9 13 CN0104 for pediatric valve rrranrrrnannrrnnnernnnrrrnnnrrnnnrrnannennannnnnanennnssnnnnsennnee 9 13 CN0105 for safety circiut Aer 9 13 CNOTOG TOF DUMI CETTE 9 14 CN0107 for speaker a a 9 14 NTN VE 9 14 EPP 9 14 CN001 for CN601 on Analog board 9 14 lee e PR RET m Tr 9 15 CN101 for CNO202 on MAIN board 9 15 CN102 for CN103 on Power SW board 9 15 Power SV BOA Gl MERE T 9 16 CN0103 for CN102 on Operation board 9 16 METTE II 9 16 CN1 for CN0802 on MAIN board eeeseeeeseeeeneeeennn nnn 9 16 NNN 9 16 Inverter IF Board for BSM 2351 2353 2354 only a 9 17 CN101 for inverter board a a 9 17 CN102 nd CNTOS for backlight lamp 9 17 LCD IF Board for BSM 2351 2353 2354 only
87. JN M BSM 2353C 8 xC5 Ib BSM 2353K tg J BSM 2354A lata I NIHON KOHDEN 7 b h 7H HI7Jn 7 73 A4 Y T 5 Kak yty Beata FN AVANT bv yty EK F FAS Z LCDY Y d n 3 N LCD1 Y B sl LCDI y MAE Lk LCD LCDY V T An 4 LCD LCDY vfi 3 Aral W MyTR F FRSA BEATE j MM fh PCMCIA Bn 4 Sfenn hon k Las 7102 k Las Iyy WM UP 7b h REE EHUGF k 72 Ab KYA yy yyagvFai 7644L22 L Y X7 F 3144 85 NIBP 37 2 4 N NIBP R ZR Service Manual BSM 2300 8 REPLACEABLE PARTS LIST BSM 2351 2353 2354 eM aM NS LA GH GH Ay UNGT SN E BSM 2354 FI only e Service Manual BSM 2300 8 9 8 REPLACEABLE PARTS LIST 62 63 64 66 67 68 69 70 71 12 Rar AD AE SI For BSM 2353 8 10 NK Code No 6114 115137 531346 531355 6113 039854A 6114 114646C 6113 037125 6113 051332A 128381 6112 16925A 6112 016925A 6123 014523 6123 012971 6123 014559 6111 06305C 315357A 6111 08134A 6114 118054 6114 15663A 518272 6112 014767C 611893 6111 006297C 6113 039916C 6114 117795A 6114 120915 1124 037173B 6113 044144 2 442095A 619983 128345 488508A 6114 136738 127952 127925 6114 131066 634814 6190 014148 6114 128845 127925 674922 UR 3611 613231A 613249A 515756C Er UJ e m m N N Lm Ln E Em E Ee E
88. L Block Diagram BSM 2301 2303 2304 U99J9S uono Jexyeeds Jeueg 1UOJH peog MS 18M0d fl ped y Jeueg 1u04J pJeog uonejedo E E p1eog JojedIPU Ue v pJeog d8IN eoepeiul dou Bojeuy peog JOSUSS EH H uno eoepneijul Jojeoipu wey SSA WVHS 8X4 ZLS wou NVH Jejoe1euo eJNSEaN dgIN J9 041U090JO N Aiddne 1em0d WOJ 1011U09 Q9 NYHAS ze X W 2 sigl Seu uden oISV dude pJeoq dq ou seu LOSF NSA PJEOG dgl JepJoq penop e Aq pepunouns X20 q eu seoejdeiJ yun odg JODI ON 90S dW 2U YYOEZ NS Ul xx m mm mm on mm on muon mm on mm o3 mm e 19149A002j OG o1 OG 4 Jejdnoo 1dO 18161 j ejeudueg ndo NHOOV OISV UEN JeSey MOV LG 1dnujeju Jejdnoo 1dO 18161 194905 XNV 01 Jezzng LOM 2I eoeyueju gou Dou josey da WOJ 1esou AE aopual DISCH VIONOd J AUG q31 0 ema EE jezzg em i 198 HIN IN i 18 041U090J0I N se Addne jewog Ed di 184 HMd jesey l Jesay Sd NE E t RR Sd ASI lun Addne Jamod CH eos xnv AXL qxu zu los TIE i 19S q 19pJ0298H JO soul ales diyn ATP 490S Jogynq OML Eeer sng eoepnelu d006 49Z sng BUBIS jonuoo sng geq sng sseJppy sng uu81s S Uew pyeog Bojeuy _ d Nda pop NWOHd338X3Ze WVuS 91 X 4 FIG ue OL
89. N 01 PASS COUNT 0001 CHECKING PATTERN 00 PASS COUNT 0000 ADDRESS RITE READ ADDRESS RITE READ BLOCK BANK ADDRESS HRITE READ BLOCK BANK ADDRESS WRITE READ START STOP STAT stor RETURN RETURN Procedure to Start the GRAPHIC MEMORY Check and CHARACTER MEMORY Check Program 1 To select the GRAPHIC MEMORY Check or CHARACTER MEMORY Check touch the GRAPHIC MEMORY CHECK or CHARACTER MEMORY CHECK key The START key is highlighted to indicate the process of checking If the check program finds an error it displays the address and block bank write data and read data as shown in the above table 2 To stop the check temporarily touch the STOP key The START key name changes to normal and the STOP key is highlighted To continue the check touch the START key again 3 To return to the MANUAL CHECK MENU screen touch the RETURN key Service Manual BSM 2300 3 19 3 DIAGNOSTIC CHECK 3 20 GRAPHIC DRAW Check XXK GRAPHIG DRRH CHECK XXX SELECT CHECK PLRHE PLRHE 1 PLAKE 5 PLRHE 3 PLANE 13 PLRHE 17 PLRHE 3 PLANE 7 PLANE 11 PLANE 1 PLANE 18 This item checks the function of the graphic draw plane Check the figure of display and colors The solid color screen allows you to find wrong LCD pixels 10 planes for wave graphic screen are available and the check program displays 2 planes at a time If the screen has a wrong display the MAIN board or LCD unit will be faulty
90. N board re 9 18 CN102 0r LED Die NEE 9 19 Halloen or Board EEN 9 20 CN101 for CN102 on NIBP board 9 20 REC MAIN ROI ME 9 20 CN001 for CN0204 on MAIN board EN 9 20 CN002 for CN0205 on MAIN board 9 20 CN003 for CN103 on REC Power board 9 20 PEG Eier 9 21 CN201 for CN104 on REC Power bOard cccccsececeeeeeseeceeseeeseeeeseeeeeaes 9 21 BEC Power PN 9 21 CN101 for recorder unit PE EE EE a 9 21 CN102 for recorder unt 9 22 CN103 for CN003 on REG MAIN board 9 22 CN104 for CN201 on REC Key board 9 22 IO ANALOG OUT Board E 9 23 GNOD E 9 23 NN 9 23 01 9 23 clu 9 24 Gul 9 24 erecti Rr T 9 25 GE Lr 9 25 ENOO 9 25 Service Manual BSM 2300 MAIN Board CN0201 for Alarm Indicator board Pin Number Signal Name Signal Description 15 V supply voltage Red LED cluster control Yellow LED cluster control Green LED
91. PLACEABLE PARTS LIST lt E 1 Lo 0 Om O Z 226 NK X o For BSM 2303 2304 8 6 NK Code No 613187A UR 3681 613213A 613222A 601707 613196A 539463 613151A 613258A UR 3610 613828A UR 3612 UR 3712 532149 611385A 611394A 104522 580676 ol E P E l l l 2 l 2 I or the following combination 550067 550076 550013C 613169B 613169A 613178A 628919A 613267B UR 3643 1 E E RE Description 15 V DC supply harness IBP board holder included Operation board Operation amp Power SW boards Power SW board Cable between Operation and MAIN boards Cable between Operation and Power SW boards LCD unit Cable between LCD unit and MAIN boards Ferrite core included Inverter board Cable between MAIN and Inverter boards Cable between Inverter board and LCD unit MAIN board The shield cover and battery cable are included Rechargeable battery connection cable Analog board for BSM 2301 2303 The plastic cover insulation sheet and three shield sheets are included Analog board for BSM 2304 The plastic cover insulation sheet and three shield sheets are included NIBP board Hall sensor board NIBP pump Solenoid valve Solenoid valve 2A fuse AC inlet socket with fuse drawer AC inlet socket Fuse drawer Power supply unit Ground wire Wires between AC inlet socket and power supply unit AC power harness AC power harness for BSM 2
92. RESS for BSM 2301 2351 PRESS 2 for BSM 2303 2353 CO2 or respiration by thermistor method The type of parameter is automatically recognized SpO2 socket Connects to the SpO2 connection cord ECG RESP socket Connects to the ECG connection cord NIBP socket Connects to the air hose For the optional battery pack Without optional WS 231P recorder module TEMP socket Connects to the temperature probe cord PRESS 1 socket Connects to the IBP connection cord Not available on BSM 2301 2351 Refer to Warning and Caution in the General Safety Information section Multi parameter socket Connects to the connection cord of the parameter to be monitored IBP PRESS for BSM 2301 2351 PRESS 2 for BSM 2303 2353 CO or respiration by thermistor method The type of parameter is automatically recognized SpO2 socket Connects to the SpO2 connection cord ECG RESP socket Connects to the ECG connection cord NIBP socket Connects to the air hose Battery box With optional WS 231P recorder module For the optional battery pack 1 26 Service Manual BSM 2300 1 GENERAL BSM 2304A 2354A Refer to Warning and Caution in the General Safety Information section TEMP socket Connects to the temperature probe cord Multi parameter socket Connects to the connection cord of the parameter to be monitored IBP PRESS 2 CO or r
93. RILA ROY VAR yyagvFai 7644L22 L ly X7 F 3144 85 NIBP 37 2 4 N NIBP R 3 Service Manual BSM 2300 8 REPLACEABLE PARTS LIST Service Manual BSM 2300 BSM 2304 only B BSM 2301 2303 2304 ae mM S 3 23 Vi RA T 8 3 8 REPLACEABLE PARTS LIST Index NK Code No 36 6114 114655A 37 6114 115137 38 531346 39 531355 40 6113 039854A 41 6114 114646C 42 6113 037125 43 6113 039925B 44 292015 45 6112 014776C 45 6112 016925A 46 6123 014523 46 6123 012971 46 6123 014559 47 6111 006305C 48 315357A 49 6111 006332C 50 6114 118054 51 6114 115663A 52 518272 53 6112 014767C 54 611893 55 6111 006297C 56 6113 039916B 57 6114 117795A 58 6114 120915 59 1124 037173B 60 6113 044144 61 442095A 62 619983 63 128345 64 488508A 69 6114 131066 70 634814 71 6190 014148 72 6114 128845 73 127925 A 601716A AA UR 3611 AB 613231A AC 613249A AD 515756C AE e AF 628777 For BSM 2303 2304 8 4 Er Q mA LA NO mA Lr nn j gt p E Description NIBP input socket holder Plastic tee tube Arr filter Check valve NIBP main tube S Valve holder 2 Speaker holder Top chassis Spacer bolt for Inverter board Left side input panel for BSM 2301 2303 Left side input panel for BSM 2304 Input panel sheet for BSM 2301 Input pan
94. RS BEEP LOW TONE QRS BEEP VARIABLE KEY CLICK to start the check for that sound 3 To stop the check touch the SOUND STOP key 4 To change the sound volume touch the T or 4 key 5 To return to the MANUAL CHECK MENU screen touch the RETURN key 3 14 Service Manual BSM 2300 Service Manual BSM 2300 3 DIAGNOSTIC CHECK ALARMI INDICATOR Check XXX ALARH INDICATOR CHECK XXX YELLOK RETURN This item checks the function of the alarm indicator located on the top of the instrument Check the light of indicator lamp according to the screen indication If the color does not light the connection cable is loose or disconnected or the MAIN board or indicator board will be faulty If the indicator lights partially the indicator board is faulty Procedure to Start the ALARM INDICATOR Check Program 1 To select the Alarm Indicator Check touch the ALARM INDICATOR CHECK key The lighting color is highlighted on the screen sequentially 2 Toreturn to the MANUAL CHECK MENU screen touch the RETURN key 3 15 3 DIAGNOSTIC CHECK OTHER Check XXX OTHER CHECK xxx NVRRH CHECK NYRAM CHECKING RETURN This item checks the clock IC and backup NVRAM EEPROM The NVRAM contains the system setup data The check program checks that there is no difference between the data read from EEPROM and written data into EEPROM Therefore this check does not damage the
95. SERVICE MANUAL BSM 2301A BSM 2301C BSM 2301K BSM 2303C BSM 2303K BSM 2304A BSM 2351A BSM 2351C BSM 2351K BSM 2353C BSM 2353K BSM 2354A WS 231P SE BEDSIDE MONITOR BSM 2300A C K 0634 001878G Va NIHON KOHDEN CONTENTS Contents GENERAL HANDLING PRECAUTIONS WARRANTY POLICY uuu u uuu l uuu u aneia E A a ENEEK E EEE EENAA ESKAE EES li EMC RELATED CAUT ION EE lil Conventions Used in this Manual and Instrument naannannnnnnnnnannnnnonnnnnnnnnnnnnnnnnnnnnnne vi Warnings Cautions and Notes E vi SeCHO e TE 1C 1 Ing elef der La TET NT s 1 1 General Information on Servicing 1 2 Service Policy Service Parts and Patient Safety Checks 1 4 SCEPC EE 1 4 SS IU C C P EEE NE 1 4 Patient Safety Checks Luma 1 5 SPECE 91 EE 1 6 lt BSM 2301 2303 2304 2351 2359 gt 1 6 Re E 1 6 SOUNO WE 1 6 NAN 1 6 OG E 1 6 Respiration Transthoracic impedance pneumography 1 7 SpO2 on BSM 2301A C K BSM 2303C K BSM 2351A C K and BSM 2359U I amp 1 8 vieles duc OD ERE iaiia iaaa gaii asii an 1 8 Non Invasiv
96. Service Manual BSM 2300 3 51 3 DIAGNOSTIC CHECK SELF TEST PRO No 3 This check program checks the recording quality There are the following three recording patterns for scale character and thermal array head checks The recording pattern changes automatically after the NIBP INTERVAL key is pressed for the recording start The recording starts soon after the black square on the paper is detected To stop the recording press the NIBP INTERVAL key again e Scale Check Checks the circuit related to the scale recording in the recorder control block on the REC MAIN board If the recording has something wrong the REC MAIN board will be faulty Character Check Checks the circuit related to the character recording in the recorder control block on the REC MAIN board If the recording has something wrong the REC MAIN board will be faulty Thermal Array Head Check Checks the thermal array head condition and RAM for the storage of the data for the heat elements of the head If there is a dot missing faint dot or dark and faint dots mixed on the paper check that the thermal array head is firmly attached and is not dirty Replace the thermal array head with a new one if the head is cleaned but the problem still occurs If the recording pattern has something wrong the REC MAIN board will be faulty Scale Check SELF TEST PRO No 3 ore 20H Character Check 5URSZ amp C Xt 01234567898 gt T ABCDEF GH I JKLMNC PARSTUV
97. Signal Name Signal Description DETECTOR DIGITAL GND DIGITAL SIGNAL DETECTOR INNER SHIELD N C LED N C LED OUTER SHIELD vo G I Q C A Q N CN601 for CN001 on IBP board Pin Number Signal Name Signal Description XIO2 IBP board identification IBP2 Blood pressure waveform AEF Analog ground 5SVAF 5 V supply voltage IBP2 CHK Detection of transducer wire break ROM CLK2 Clock for ROM in connector of connection cord ROM DATA2 Data for ROM in connector of connection cord SW 2 Zero balance switch 2 3 A 5 6 7 8 9 6VF 6 V supply voltage AEF Analog ground Service Manual BSM 2300 9 11 9 CONNECTOR PIN ASSIGNMENT CN602 Pin Number Signal Name Signal Description 2 3 A 5 6 7 8 9 bech LA N e C CN901 for CN1501 on MAIN board Refer to CN1501 for CN901 on Analog board in the MAIN Board section CN902 for ZB 900P transmitter Pin Number Signal Name Signal Description ZB respiration signal Digital ground ZB recognition signal 5 V supply voltage ZB reset signal ZB initialize signal ZB serial communication Transmit ZB serial communication Receive 9 12 Service Manual BSM 2300 NIBP Board CN0101 for CN1502 on MAIN board Refer to CN1502 for CN0101 on NIBP board in the MAIN Board section CN0102 for Hall Sensor board Pin Number
98. V supply voltage Magazine open status 5 V supply voltage Digital ground G I QN CQ A Q N Paper detection control Oo Out of paper status Mark detection control Mark detection status NO Service Manual BSM 2300 9 21 9 CONNECTOR PIN ASSIGNMENT CN102 for recorder unit Pin Number Signal Name Signal Description 24 V supply voltage for thermal array head 24 V supply voltage for thermal array head 24 V ground return 24 V ground return 5 V supply voltage Thermistor data Thermal array head enable signal Thermal array head enable signal 2 3 4 5 6 7 8 9 Serial data transfer clock Thermal array head data strobe signal Thermal array head serial data 24 V ground return 24 V ground return 24 V supply voltage for thermal array head 24 V supply voltage for thermal array head CN103 for CN003 on REC MAIN board Refer to CN003 for CN 103 on REC Power board in the REC MAIN Board section CN104 for CN201 on REC Key board Refer to CN201 for CN104 on REC Power board in the REC Key Board section 9 22 Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT IO ANALOG OUT Board CN001 Pin Number Signal Name Signal Description Data receive Data transmit Request to send Clear to send Data set ready Data termination ready 5 V supply voltage Digital ground G I QN C A Q N Data of ECG or trigger sie
99. WXYZLE IA_ abc defghi jk mnoparstuywxy2 Ct Amt Je X292P2243729T7TUAEZ2ATR AEZAR 3y45rxtfvrisy 1 STEFAN TT ig Br rA IX We de Ek z Li Wd e gt 7 AB CDEFGH I JKL MNOPQRSTUVWXYZLENX TA i E ict mE e bAIUWICTET T dde 3425237529 ES GULE M T SES HESS aassozo0 M E es Ii A w API RA 3x87 at aed 0128456799 727 So CDEF GH I JKLMNOPORSTUVWXYZE SE 2 Parstuvwxuz i ex KEE EK ECH e I SERCINE 37 4514T 3aJ7 7490I423425399Z2t 5 T0 v A Sim 1 BAXEYAIDYNLODZ i iA WEE i L t ape rd AT lt gt 70AB CDER GH I KL MNG 2m PORSTUVWXYZENMJA abc 6h iji Imnoparstuvwnuzt I d LE E EK CEA RE ES JAEAAR 37457r T 213a7 4 GONGEN OE AA tr be i amp 0123450 189 3 7004 EE abc fh i jii mnoparstevixuz tt e HF Aan ge Eee dad NERE Thermal Array Head Check 3 52 Service Manual BSM 2300 Calibration of Touch Screen Service Manual BSM 2300 3 DIAGNOSTIC CHECK When you replace the touch screen or MAIN board with a new one the touch screen must be calibrated Or depending on the setting position the effective point may slightly shift due to viewing angle In that case re calibrate after the instrument is set up TOUCH PANEL CALIBRATION Press and hold for 2 seconds e Procedure to Start the Calibration of TOUCH PANEL 1 To start the calibration of the TOUCH PANEL call up the DIAGNOSTIC CHECK screen 2 Press the MENU key in this mode to display the TOUCH PANEL CALIBRATION screen
100. Wun OISV 3lude S EE Addne 1emod LAM wl eoeneiu JOH Bojeuy oso EN A RS 9490 eseu 199905 XNV AXL XY eoeueu JOIS preg VIONOd p1e9 JEPJOOOY JO S19400S OML E jeseu d006 dZ pieog Boyeuy 00 D NOHd33 8X4 ZE NVHS 91 X 4 S euin eeu Div dnyoeg Div tu ls sS Joypoedey Jedng peog NIYIN Uemeg untur E sng euBis 011U0 sng eleq sng sseuppy sng ueis S urew ZHI OG 00093S899N f1dO 1SOH SEL OL X N L INOH ul ls S INOHd 9L X 1 v9 NOU 1008 Service Manual BSM 2300 1 32 1 GENERAL WS 231P Recorder Module pJeog JeMogd 23H JEMOd JEp1029H JUN JEp1099H dec6 9H eoepelu pepnjour due 1eded jo 1no JepJooeH pue YOUMS Ady p1ooau peog ex Od pJeog NIVIN 0984 Dun 1soH OOEZ INSA NOOOVt OISV 198P10094 ZHIN OG 9L X cIG OL X 9Sc 00004S5890NN INOM USP 4 INVHS 1 33 Service Manual BSM 2300 1 GENERAL xyoef 99J 9IYL indino 186611 QI 231P Interface 10 903 SJOJe5Ipu 131 indino 186611 pue 59034 UO uonoojoJd oDeyoA QAISS82X3 youms Boleuv UO el oDeyoA Ajddns in S DOUD ndino 19866u 25903 1100 cINQHOO3 0L00 L594 1000 0 440 HANHO93 0000 L NO sindino 553 104 Bunes ug YAMS W E BHOH JEUSAUOD zu TIE volg Je 041UO09 0JOI N eave Buneo J J9UJ0JSUEJ Jo dnoo 0 0Ud Joje oso ZH 8cl 1exoos 1ndino qOyH uld g Uon
101. XTERNAL OUTPUT of the OTHER ECG lamp is lit SETUP items in the SYSTEM SETUP settings Alarm trigger signal is The output setting is wrong Select the ALARM CRISIS or ALARM not output but the ECG CRISIS amp WARNING at the EXTERNAL lamp is lit OUTPUT of the OTHER SETUP items in the SYSTEM SETUP settings ECG analog signalis not The output setting is wrong Select the ECG ANALOG OUT at the output but the TRIG EXTERNAL OUTPUT of the OTHER lamp is lit SETUP items in the SYSTEM SETUP settings The ECG lamp and TRIG The cable of the QI 231P interface hasa Check the connection between the bedside lamp are not lit poor contact to the bedside monitor monitor and interface The QI 231P has a malfunction Replace the IO ANALOG OUT board with a new one An external display The cable of the QI 231P interface hasa Check the connection from the bedside connected to the QI 231P poor contact between the bedside monitor to the external display through the interface does not display monitor and external display interface any screen The display requires the different Select an external display which matches the specification from the RGB signals of RGB signal specification of the bedside the bedside monitor monitor The QI 231P has a malfunction Replace the IO ANALOG OUT board with a new one When the QI 231P is The QI 231P has a malfunction Replace the IO ANALOG OUT board with a attached to the bedside new one monitor its operati
102. afety Check Checks the safety circuit operation 3 1 OVER PRESS 1 Checks the pressure Imitter 3 2 OVER PRESS2 Checks the pressure continuous time 4 Inflation Speed Checks the time that the inflation pressure reaches to the specified pressure 4 Adult Checks the inflation speed with 700 mL dummy cuff 4 2 Neonate Check the inflation speed with 72 mL dummy cuff 5 Pressure Hold Checks that the inflation pressure is held for a specified time Step Deflation Checks the valve operation Air leak Not used 8 Air Circuit Checks that there 1s no air block To perform the check items prepare the following tools Hand bulb pump Mercury manometer Y branch connector The Y branch connector connects one tube of the dummy cuff to the hand bulb pump and manometer 700 mL dummy cuff YS 077P1 A 700 ml dummy cuff is a solid container that withstands high pressure The inner volume of this container must be 700 ml 250 mL dummy cuff YS 077P2 72 mL dummy cuff 6443 000022B Two 3 5 m air hoses YN 901P for adult child and YN 921P for neonate Service Manual BSM 2300 3 DIAGNOSTIC CHECK Procedure to select the item and start the NIBP Check 1 To select the NIBP Check touch the NIBP CHECK key at the DPU CHECK column The program changes the screen to the NIBP CHECK 2 Touch the SELECT key to select the check item number 3 Touch the START key to start the check for the selected check item NOTE Make sure there is
103. arts or accessories from your nearest Nihon Kohden Corporation distributor please quote the NK code number and part name which are listed in this service manual and the name or model of the unit in which the required part is located This will help us to promptly attend to your needs Always use Nihon Kohden parts and accessories to assure maximum performance from your instrument 8 1 8 REPLACEABLE PARTS LIST Bedside Monitor BSM 2301 2303 2304 Q D Le O GO ON C BWW Q9J2 292 9 QI NN e oO NO 13 14 15 16 17 18 ER 20 21 22 29 25 24 25 26 27 28 29 30 31 32 33 34 55 NK Code No 6122 004982A 6123 012721B 6124 034205 6124 041322 6124 034223 6124 041331 6124 035249 6124 036792 6124 026508 6111 006279C 6113 040157C 6114 107877 6114 114922B 6112 018709 6114 114664B 6111 006216C 6114 117001A 128318 6114 112274 6114 125991 128345 6113 039943B 6112 014669A 6114 107208 6111 0063 14C 6113 041129B 6190 023094 6113 042182 6114 128836A 6190 023111 6112 014785B 458612 6142 002705B 551734 6113 023844D 6114 073618 6114 114637C 6114 114566 6114 117777 351537 515542B eene B M N Q Lm Fe Lm Lm sm bech Lm sm bech pj Description Operation panel sheet Power indication sheet Model number label for BSM 2301A Model number label for BSM 2301C Model number label for BSM 2301K Model number label for BSM 2303C Model numbe
104. ata and read data as shown in the above table 4 To stop the check temporarily touch the STOP key The START key name changes to normal and the STOP key is highlighted To continue the check touch the START key again 5 To return to the MANUAL CHECK MENU screen at any time touch the RETURN key 3 11 3 DIAGNOSTIC CHECK Hard Key Check KXX HARD KEY CHECK XXX ITE H3 RLRRHS NIBP INTERVAL NIBP START STOP RECORD STOP This item checks the operation of the hard keys on the front panel The hard key layout appear Pressing the hard key usually highlights the corresponding hard key on the screen If the pressed hard key is not highlighted the key switch may be faulty If more than one hard key has this symptom the operation board or MAIN board will be faulty NOTE The key does not give a key click sound when it is pressed in this check Procedure to Start the Check Keys or to Exit the Key Check Program 1 To check the hard keys touch the HARD KEY CHECK key 2 In the above screen confirm that the corresponding pressed key is highlighted on the screen 3 To return to the MANUAL CHECK MENU screen touch the RETURN key 3 12 Service Manual BSM 2300 Service Manual BSM 2300 3 DIAGNOSTIC CHECK Touch Key Check This item checks the touch key operation and positioning When you start the check the screen changes to the touch key check screen and indicates
105. board with a new one the multi parameter socket on the Instrument MPU MODULE ERROR The connection between the MAIN board Check the connection Replace the faulty message Is displayed and Analog board is disconnected or faulty board with a new one if the connection is if this message always appears even after faulty the instrument is turned off and on again The Analog board is faulty if this message Replace the Analog board with a new one sometimes appears after the instrument is turned off and on again is displayed cannot be measured a new one one with a new one message Is displayed a new one during the invasive blood Faulty connection cord Replace the connection cord with a new Faulty connection cord Replace the connection cord with a new one Faulty Analog board or IBP board Replace the Analog board or IBP board with a new one Faulty Analog board Replace the Analog board with a new one Invasive blood pressure Faulty blood pressure transducer Replace the blood pressure transducer with values are wrong a new one measured Faulty Analog board Replace the Analog board with a new one Thermistor method Faulty respiration pickup thermistor Replace the pickup with a new one respiration waveform has probe something wrong on the Faulty Analog board Replace the Analog board with a new one screen BSM 2301and BSM 2351 have no IBP board Respiration by thermistor Faulty respiration pickup thermist
106. c equipment from the patient or change the setting on the pacemaker by referring to the pacemaker s manual For more details contact your pacemaker distributor or Nihon Kohden distributor Minute ventilation is sensed in rate adaptive pacemakers by a technology known as bioelectric impedance measurement BIM Many medical devices in addition to pacemakers use this technology When one of these devices is used on a patient with an active minute ventilation rate adaptive pacemaker the pacemaker may erroneously interpret the mixture of BIM signals created in the patient resulting in an elevated pacing rate For more information see the FDA web site http www fda gov cdrh safety html Service Manual BSM 2300 lt Conventions Used in this Manual and Instrument Warnings Cautions and Notes Warnings cautions and notes are used in this manual to alert or signal the reader to specific Information WARNING A warning alerts the user to the possible injury or death associated with the use or misuse of the instrument CAUTION A caution alerts the user to possible injury or problems with the instrument associated with its use or misuse such as instrument malfunction instrument failure damage to the instrument or damage to other property NOTE A note provides specific information in the form of recommendations prerequirements alternative methods or supplemental information vi Service Manual BSM 2300 Section
107. cable has even slight damage it may break the vinyl of the wire and short circuit may occur because a high voltage is output to the lamps through the cable Dispose of used backlight lamps according to your local laws because fluorescent material is used 2 Remove the connector marked with a circle in the following picture by using a flat blade screwdriver 5 26 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY 3 Remove the backlieht lamp from the LCD unit as shown with the arrow Service Manual BSM 2300 5 27 5 DISASSEMBLY AND ASSEMBLY Replacing the Lithium Battery 5 28 Perform the following procedure after the Replacing the MAIN Board procedure 1 Replace the lithium battery on the MAIN board with a new one as shown below After the battery replacement check the continuity between the battery terminal and receptacle terminal with a multimeter CAUTION e Use a glove to handle the new lithium battery If you touch it with your bare hand it may cause an increase of resistance at the battery terminals and shorten the lifetime e Never charge short circuit disassemble deform heat or throw the battery into fire This may cause overheating explosion or fire e Before disposing of the battery cover it with insulation tape to prevent short circuit between the positive and negative terminals Otherwise the battery may heat explode or burn if the battery is disposed of with other batteries
108. ce that can be performed by the user The information in the operator s manual is primarily for the user However it is important for service personnel to thoroughly read the operator s manual and service manual before starting to troubleshoot service maintain or repair this instrument This is because service personnel need to understand the operation of the instrument in order to effectively use the information in the service manual 1 1 1 GENERAL General Information on Servicing 1 2 Note the following information when servicing the instrument CAUTION Safety e There is the possibility that the outside surface of the instrument such as the operation keys could be contaminated by contagious germs so disinfect and clean the instrument before servicing it When servicing the instrument wear rubber gloves to protect yourself from infection e There is the possibility that when the lithium battery is broken a solvent inside the lithium battery could flow out or a toxic substance inside it could come out If the solvent or toxic substance touches your skin or gets into your eye or mouth immediately wash it with a lot of water and see a physician Liquid Ingress The instrument is not drip proof so do not install the instrument where water or liquid can get into or fall on the instrument If liquid accidentally gets into the instrument or the instrument accidentally drops into liquid disassemble the instrument clean
109. cluster control CN0202 for CN101 on Operation board Pin Number Signal Name VD G I ON CA A WO N e bech POWER_KEY LED_BATCHG LED_BATOP LED_STBY 5V 15V Lm onm Mn BR Wo N e Service Manual BSM 2300 Signal Description SILENCE ALARMS key MENU key HOME key NIBP START STOP key NIBP INTERVAL key Digital ground Digital ground Digital ground Digital ground Power switch Battery charging lamp Battery power lamp AC power lamp 5 V supply voltage 15 V supply voltage 9 CONNECTOR PIN ASSIGNMENT 9 1 9 CONNECTOR PIN ASSIGNMENT CN0204 for CN001 on REC MAIN board of optional recorder module Signal Description ane Name mn Name Signal Description Digital ground Address bit I Address bit 2 Address bit 3 Address bit 4 Address bit 5 Digital ground Address bit 6 Address bit 7 Address bit 8 Address bit 9 Digital ground Data bit 0 Data bit I Data bit 2 Data bit 3 Digital ground Data bit 4 Data bit 5 Data bit 6 Data bit 7 Digital ground Digital ground e Paper magazine status signal Out of paper lamp s i 3 3 V supply voltage 5 V supply voltage 15 V supply voltage 15 V supply voltage Interval key Digital ground Option status 0 signal Chip select signal Power reset Digital ground Read Write control signal System reset Data acknowledge Recorder interrupt request Digital ground 9 2 Service Manual BSM 2300 CN0205 for CN002 on REC MAIN board of optional re
110. corder module 9 CONNECTOR PIN ASSIGNMENT Signal Description mem Name E Signal Name Signal Description Digital ground Address bit 11 Address bit 13 Digital ground Address bit 16 Address bit 18 Data bit 8 Data bit 10 Digital ground Data bit 13 Data bit 15 Digital ground Not connected 5 V supply voltage 15 V supply voltage Digital ground Recorder reset Digital ground Paper mark detection signal Recorder module connection signal CN401 for power supply unit Address bit 10 Address bit 12 Address bit 14 Address bit 15 Address bit 17 Digital ground Data bit 9 Data bit 11 Data bit 12 Data bit 14 Digital ground Paper status signal 3 3 V supply voltage 15 V supply voltage Record key Option status 1 signal Program reset Record request 24 V status signal Digital ground Pin Number Signal Name Signal Description 15 V supply voltage 15 V supply voltage 15 V supply voltage Digital ground Digital ground Digital ground Service Manual BSM 2300 9 3 9 CONNECTOR PIN ASSIGNMENT CN0601 for program card or network card Signal Description Signal Name Fen N nipep Signal Name Signal Description Digital ground Memory card data bit 4 Memory card data bit 6 Memory card chip enable I Memory card output enable Memory card address bit 9 Memory card address bit 13 Memory card write enable 5 V supply voltage Memory card address bit 16 Memory card address bit 12 Memory ca
111. d by ROM check in the APU check Error detected by RAM check In the APU check A system error occurs when a fatal fault is detected during operation All operation of the instrument is halted and the CPU operation status data at the system error appear on the left top of the screen The system error is mostly stored in the error history table In a few seconds after the status data is displayed the instrument restarts If the instrument repeats the restart the MAIN board will be faulty Service Manual BSM 2300 Initializing the System 3 DIAGNOSTIC CHECK You can delete all stored waveforms and data and the error history and return all settings to the factory defaults CAUTION Initializing the system deletes all the patient data and error history and returns the setting conditions to their default settings POMER DN CHECK RESULT OPTION NO HS BSM 2300 VERSION CPU PROGRAM Ver 00 24 SUM DCC70B02 Ver 00 24 SUM 30BA3FCC Ver 00 24 SUM D5E95065 XXX DIAGNOSTIC CHECK XXX OK LANGUAGE Yer 00 24 SUM AEABDEAF BOOT Yer 01 01 SUM 3CDES440 SYSTEM MANUAL CHECK SYSTEM SETUP INITIALIZE HISTORY MONITOR MODE 1 From the DIAGNOSTIC CHECK screen touch the SYSTEM INITIALIZE key until a SYSTEM INITIALIZE confirmation message appears Approximately 3 seconds All data and user settings are deleted 2 To exit the DIAGNOSTIC CHECK screen and return to the pat
112. d on which a lithium battery is mounted Also never use a styrene foam or plastic bag which generates static electricity to wrap the board or unit of the instrument Handling the Instrument e Because the outside surface of the instrument is made of resin the outside surface of the instrument is easily damaged So when handling the instrument remove clutter from around the instrument and be careful to not damage the instrument or get it dirty e Because most of the boards in the instrument are multilayer boards with surface mounted electrical devices SMD when removing and soldering the electrical devices a special tool is required To avoid damaging other electrical components do not remove and solder SMD components yourself Measuring and Test Equipment Maintain the accuracy of the measuring and test equipment by checking and calibrating it according to the check and calibration procedures 1 3 1 GENERAL Service Policy Service Parts and Patient Safety Checks Service Policy Service Parts 1 4 Our technical service policy for this instrument is to replace the faulty unit board or part or damaged mechanical part with a new one Do not perform electrical device or component level repair of the multilayer board or unit We do not support component level repair outside the factory for the following reasons e Most of the boards are multilayer boards with surface mounted electrical devices so the mounting density of
113. degree of protection against electrical shock ECG Respiration impedance Respiration thermistor IBP CO Temperature SpO NIBP Service Manual BSM 2300 Defibrillator proof type CF applied part Defibrillator proof type BF applied part 1 19 1 GENERAL According to the degree of protection against harmful ingress of water IPXO ordinary EQUIPMENT According to the degree of safety of application in the presence of FLAMMABLE ANAESTHETIC MIXTURE WITH AIR OR WITH OXYGEN OR NITROUS OXIDE Equipment not suitable for use in the presence of FLAMMABLE ANAESTHETIC MIXTURE WITH AIR OR WITH OXYGEN OR NITROUS OXIDE According to the mode of operation CONTINUOUS OPERATION 1 20 Service Manual BSM 2300 1 GENERAL This page is intentionally left blank Service Manual BSM 2300 1 21 1 GENERAL Composition BSM 2301A BSM 2301C BSM 2301K BSM 2303C BSM 2303K BSM 2304A SC 040R Power Supply Block for BSM 2301A C K BSM 2303C K BSM 2351A BSM 2351A C K and BSM 2353C K BSM 2351C SC 046R Power Supply Block for BSM 2304A and BSM 2354A CD 230P Chassis for BSM 2301A C K and BSM 2303C K CD 232P Chassis for BSM 2304A CD 273P Chassis for BSM 2351A C K and BSM 2353C K CD 279P Chassis for BSM 2354A BSM 2351K BSM 2353C Power supply unit included BSM 2353K BSM 2354A UR 3610 MAIN Board for BSM 2301A C K BSM 2303C K and BSM 2304A UR 3840 MAIN Board for BSM 2351A C K BSM 2353C K and BSM 2354A UR 3612 Analog Board for BSM
114. dirt stain and If the instrument is dirty clean it with a cloth crack on the instrument moistened with water neutral soap or alcohol If the instrument has stain or crack remove it or replace the stained or cracked part with a new one Damaged switch or key Check that there are no physically If any switch or key top cover is damaged replace top cover damaged switches and key top it with a new one Covers Input Conditions Contact between input socket Check that there is good contact Remove the cause if there is a poor contact on the instrument and between the input socket and between them connector of connection cord connector of the connection cord Input socket on the Visually check that there is no If the input socket or connector is instrument or connector of damaged input socket and connector damaged replace it with a new one connection cord Electrode lead wire or Visually check that there is no damage If the electrode lead wire or connection connection cord of the lead wire and connection cord cord has a damage replace it with a new Service Manual BSM 2300 one 6 3 6 MAINTENANCE Operation em gt Check Procedure Adio gt Key function on the Check that the function of each key on the Remove the cause if the key function is operation panel control panel works correctly wrong Touch screen key Check that the function of each key on the Remove the cause if the key function is func
115. e to D converters in the floating area as shown below Especially the process such as calculation for the SpO data 1s done in the floating area and the SpO data goes to the DPU on the MAIN board through the non floating area eee bb E bp bm bb bb bb be bb rm E bb mb bm bm rm mr E E rm bb bb bb bm bp rm ee Optical isolation me fel ans EE we Ab converter SpO2 or MP 506 Fre q Supply former DPU a ee ee ee ee ee ee ee ee a 8 ee _ a ee en ee a m wiwa ee sal BSM 2304A 2354A use MP 506 Nellcor SpO unit There is a dedicated microcontroller ERC PIC16C63A in the ECG RESP block This ERC ECG Resp Controller communicates with the DPU and controls the A to D converter and selects the time constant and filter settings The ECG circuit has two individual amplifiers time constant setting circuits and hum and low pass filter setting circuits so that two lead ECG waveforms selected from the eight ECG leads I II III aVR aVL aVF and 2 chest leads are simultaneously displayed on the screen when 6 wire type disposable electrode lead 1s used The impedance method respiration circuit also is in this block The constant current generator exciter and impedance change detection circuits are included The voltage proportional to the impedance change including the electrode contact impedance between the two electrodes for the pickup is multiplexed and digitized in this block 4 5 4 BOARD UNIT
116. e Blood pressure NIBP cccsccseccceeesseceeceeeseeesaeecaeeceeeseeenaes 1 8 EE Rm ET 1 9 Multi parameter Amplifier a 1 9 Invasive Blood Pressure IBP 1 9 Respiration Thermistor method 1 10 Expired Carbon Dioxide Tension CO u aaaaasaasasasassaassnnasnsssa 1 10 deele e 1 10 Vital Signs EiS EEE EEE EEE 1 11 Recorder Module optional WS 231P 1 11 Interface optional QI 231P euo ax inet sius 1 11 Interface optional QI 236P 1 11 P vl ii Oil il E 1 12 Power Requirement 1 12 NOGA CCU ACY E 1 12 ENN 1 12 Dimensions and Weight uk nennen nennen nnne nnn nnns 1 12 Electromagnetic Compatibilty E 1 12 oae anda G E 1 12 PAI NN H 1 14 DEN 1 14 Gli cyte gee es esas ie ne eset EEE s naa 1 14 TET BEE 1 14 Service Manual BSM 2300 C 1 CONTENTS Section 2 C 2 SE 1 14 Respiration Transthoracic impedance pneumography 1 15 PD 1 16 Non Invasive Blood pressure NIBP
117. e instrument increases the pressure in the dummy cuff up to 200 mmHg 4 Check that it takes 7 seconds or less to changes from zero pressure to 200 mmHg If it takes more than 7 seconds ERROR appears on the screen In this case replace the NIBP board or pneumatic component such as pump valve or tube with a new one 4 2 NEONATAL Checking the Inflation Speed 1 Connect the 72 mL dummy cuff to the instrument with the 3 5 m long neonatal air hose as shown below Service Manual BSM 2300 3 33 3 DIAGNOSTIC CHECK 2 Touch the SELECTT key or SELECTV key to select the 4 2 NEONATAL item 3 Touch the START key to start the check program The instrument increases the pressure in the dummy cuff up to 200 mmHg 4 Check that it takes 7 seconds or less to changes from zero pressure to 200 mmHg If it takes more than 7 seconds ERROR appears on the screen In this case replace the NIBP board or pneumatic component such as pump valve or tube with a new one 5 Pressure Hold Checking the Pressure Hold 1 Connect the 250 mL dummy cuff and hand bulb pump to the instrument with the 3 5 m long adult child air hose as shown below D mue N Urrrverser pinch the hose in step 4 2 Touch the SELECTT key or SELECTV key to select the 5 PRESSURE HOLD item 3 Touch the START key to start the check program The START key changes t
118. e instrument is not No AC power input Check the AC power input turned on and AC One or both AC inlet fuses is blown Remove the cause of the blown fuse then power lamp does not replace the fuse with a new one light in AC power Faulty connection between CN0401 on the Check the connection operation MAIN board and power supply unit Faulty power supply unit Replace the power supply unit with a new one Faulty connection between CN0202 on the Check the connection MAIN board and CN101 on the Operation board or between CN102 on the Operation board and CN103 on the Power SW board Faulty MAIN board Replace the MAIN board with a new one Faulty Power SW board Replace the Power SW board with a new one The instrument is not Faulty Power SW board Replace the Power SW board with a new turned on but AC one power lamp lights in Faulty MAIN board Replace the MAIN board with a new one AC power operation The instrument is not The battery is discharged Charge the battery before use turned on and the The battery is damaged or near the end of its Replace the battery with a new one battery power lamp jife about I year does not light in DC Faulty connection between CNO202 on the Check the connection power operation MAIN board and CN101 on the Operation board or between CN102 on the Operation board and CN103 on the Power SW board Faulty MAIN board Replace the MAIN board with a new one DC power operation
119. e is lit When the TRIGGER is selected on the screen the TRIG lamp on the interface is lit 3 49 3 DIAGNOSTIC CHECK Recorder and Control Block Checks 3 50 This check program checks the thermal array recorder and recorder control block recorder CPU peripherals without communication with the host CPU Therefore this check is independent from the manual check menu This check allows you to inspect the quality of print paper speed and feed etc Procedure to start and exit the Recorder and Control Dlock Check Program 1 To start the check program press and hold the record key on the recorder module and NIBP INTERVAL key until the monitoring screen appears when you turn on the power The SELF TEST PRO No 1 check program is ready for the execution FILTER mm Hg MANUAL ADULT CHILD 2 To select one of the three check programs for the recorder and control block checks press the record key Each time the record key is pressed the check program changes as follows SELF TEST PRO No 1 gt SELF TEST PRO No 2 gt SELF TEST PRO No 3 gt SELF TEST PRO No I 3 To start the selected check program press the NIBP INTERVAL key 4 To exit these checks turn off the instrument SELF TEST PRO No 1 This check program checks the peripheral circuits of the recorder CPU e g ROM RAM and DIP switch setting status The check result and recorder software version number are recorded on the paper as shown below approx
120. e safety the drive voltage is not supplied to the pump and valve for 30 sec This prevents the cuff from inflating during this period Since the measurement data from the measurement circuit and safety circuit are compared and the operation of the safety circuit is always monitored the Safety Circuit Error status message immediately appears on the screen if the NIBP measurement has something wrong Amp offset adj To MAIN baord 15 V Pump and valve Hall sensor power supply board sensor Pump drive circuit Valve lt Valve drive circuit Amp offset adj Service Manual BSM 2300 4 9 4 BOARD UNIT DESCRIPTION Power Supply Block The power supply block consists of the power supply unit 15 V DC output rear chassis fuse holder built in type AC inlet socket ground terminal and line frequency detection coil Refer to Section 8 REPLACEABLE PARTS LIST This power supply unit same as in the BSM 1101 1102 BSM 4100 series and WEP 4204 4208 is used 4 10 Service Manual BSM 2300 LCD Unit Service Manual BSM 2300 4 BOARD UNIT DESCRIPTION 8 4 10 4 inch TFT color LCD which has 800 dots x 600 dots SVGA is used as the display This LCD unit can display maximum 512 colors 12 colors can be assigned for waveforms and each vital sign parameter by the user Since the LCD unit is covered with a polarization filter which is weak against an impact and pressure it require
121. e same communication protocol is used between the external device and bedside monitor The RGB analog signals are sent to the RGB output socket on this board through the AUX socket of the bedside monitor 4 15 4 BOARD UNIT DESCRIPTION Interface Option QI 236P The interface has the IO CT OUT board inside This board consists of the following two blocks LH 994 Joyeseduoy JOYEUILULOSIP OACM p Joel APA IDJ 1 l d 1934 oDeyoA Ajddns JA S 10j09 as Aynsues JBWIOJSUBI Joje oso ZHNW v ZOld V 999LOld 18 011U09 OJIN JEUSAUOD V O1 19 21 1O D IOSO ZHIN t LOld V 9909LOld 18 011U09 0JOI N Joje I0s0 ZH Gel A St d9d d9Ec ID pue 00 c INS8 USSMJEQ uoneoiunuuoo gep jenas papoq 994 d9d Service Manual BSM 2300 4 16 ECG and QRS Synch Trigger Signal Output Block RGB Relay Block Service Manual BSM 2300 4 BOARD UNIT DESCRIPTION Data of the ECG signal from the AUX socket of the bedside monitor are sent to the microcontroller PIC16C63A PIC1 which controls the D to A converter The data from the D to A converter goes to two circuits One is the QRS detection circuit This signal is output as the QRS synch trigger signal HT The HT signal is sent to the microcontroller PIC 16C63A PIC2 which communicates with the bedside monitor The other is a filtered ECG analog signal which goes to the output
122. e the metal fitting for the ferrite core of the cable between the MAIN board and LCD IF board EEN D A CN L sh Ir w w T I e l CH CAUTION in Assembling the Instrument To prevent the cable between the Operation and MAIN boards from being damaged at the metal edge of the new LCD unit attach a vinyl tape such as filament tape around the edge of the LCD unit For the proper tape position see the old LCD unit Before taping clean the tape position with alcohol Service Manual BSM 2300 5 21 5 DISASSEMBLY AND ASSEMBLY Operation board hold r i 5 22 Slide the operation board holder as shown below and remove the holder Remove the LCD unit and LCD holder from the front enclosure TO Weg Wi Ch Fi rg Ju EL TUN Ale AA qaa sN E I Pla d ddid Touch screen Front enclosure CAUTION e f the LCD unit is adhered to the touch screen of the front enclosure carefully peel off the touch screen from the edges to the center e Since the touch screen is covered with glass do not apply excessive mechanical shock such as dropping or pressure to the touch screen e Be careful the sharp glass parts such as the touch screen corner edges They can cause cuts and injuries 3 Remove the 4 screws marked with circles in the following picture Remove the LCD unit from the LCD holder E EE ee ee o o Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY Replaci
123. el sheet for BSM 2303 Input panel sheet for BSM 2304 Handle O ring Rear enclosure Screwed plate Washer for handle Square rubber foot Right side panel Battery cushion sponge Battery enclosure Bottom plate Ground plate Conductive gasket High voltage warning label IBP board holder Ferrite core between MAIN board and power supply unit Ferrite core fitting Spacer bolt Ferrite core between NIBP and MAIN boards Rubber lock MP506 Oximax pulse oximetry module Nellcor shield Nellcor insulation sheet Spacer bolt for UR 3712 Touch screen Alarm indicator board Alarm indicator board cable Cable between NIBP and MAIN boards ECG input socket IBP board Cable between Analog and IBP boards A 77 D22412 X IET AE h EB dn AE U 41 FA Zr Bl A 2388 t Jp Zr fill A FIRB t Jy Bl EV 41 NK ICH Bl EV 4 NK 2CH Al EV 4 NL BY gt OJ 7 P10 7473 J7177n 7 The AAN kl Ny FFAS Akh vy IV yTJI yn Y 4 T UE MAD uk f h AYY h Sen V 7 FEI 174 h 71317A EE NIBP7134 b DYAIK Ibk YF AJ TI AI 5 5K F TI 4 95 7 W NIBP4 F 34k F FBHr 2 W ECG1494 ANALOG F IBP F 7 Ib Service Manual BSM 2300 8 REPLACEABLE PARTS LIST Service Manual BSM 2300 BSM 2304 only Se BSM 2301 2303 2304 Te E Z GH GH y d UY end 7 8 5 8 RE
124. en performing the recorder check in the component with a new one according to WS Check mode Refer to Section 3 the WS Check Mode section Printed date and time Check that the correct date and time are Remove the cause 1f the date and time 1s check printed on the paper wrong or not printed 6 4 Service Manual BSM 2300 Interface 6 MAINTENANCE x ltem Check Procedure Acten 0 Monitoring screen Check that the same screen is displayed on the screen of the external display connected to the bedside monitor through this interface ECG or trigger output Check that the signal selected at the EXTERNAL OUTPUT of the OTHER SETUP items in the SYSTEM SETUP settings is output ECG and TRIG lamps Check that the ECG or TRIG lamp is lit according to the selection on the OUTPUT Check screen of the COM Check Menu items in the MANUAL CHECK MENU Vital Sign Parameters Remove the cause if the monitoring screen is wrong at the external display Remove the cause if the selected signal is not output Remove the cause if no lamp is lit em _ Check Procedure ction Waveform and numeric data SpO2 and NIBP NIBP check Check that ECG respiration blood pressure waveforms their parameters and temperature data are displayed correctly and QRS synchronous sound is generated when connecting AX 800P vital sign simulator to the instrument Check that the displays of SpO2 and NIBP parameters are acceptable when a
125. ensor control board as shown below 2 Connect 5 V DC of a 5 V DC power supply to the two resistors and pin 7 of the 12 pin connector as shown below 3 Connect the ground terminal of the 5 V DC power supply to pin 8 of the 12 pin connector 4 Setthe recording paper inside the paper magazine according to the operator s manual Loading the Recording Paper in Section 2 PREPARATIONS 5 Draw out one page of the recording paper so that the small black square on the corner of the paper is not over the mark detection sensor 6 Adjust the PAPER VR and MARK VR so that pins 10 PAPER output and 12 MARK output of the 12 pin connector output a voltage within the range of 3 5 V DC to 4 0 V DC respectively when the two sensors detect the white part of the paper 5 V Le 150 9 11 VV aa Te bk w geg GND 12 pin Connector 7 1 7 ADJUSTMENT This page is intentionally left blank 7 2 Service Manual BSM 2300 Section 8 Replaceable Parts List Bedside Monitor BSM 2301 2303 2304 rna nada ha an aa uaa 8 2 Bedside Monitor BSM 2351 2353 2354 nnne nnne nnn nns 8 8 Optional Recorder Module WS 231P nnns nna nnns 8 14 RG 922P Recorder EE 8 16 PIPE 8 18 PIP NTG vennene 8 19 Service Manual BSM 2300 8C 1 Service Manual BSM 2300 8 REPLACEABLE PARTS LIST When ordering p
126. eoiunuJuJoo ejep jelas JO 184905 XNv utd 0z oDeyoA Ajddns A G UOI EDIUNWWOD gep jenas qoq jeubis eyupp 196B11 10 523 ease Bulleo j uoN s rt s 00 Z INS8 M uo 194208 XNV 9u OL Service Manual BSM 2300 1 34 1 GENERAL QI 236P Interface LH 994 Joyesedwoy JOYEUILUOSIP 9AeM L 191417991 9AeM n 3 1 1l d Jo JOYE IOSO Sexo Addis une JOWJOJSUEI SC 1O p IOSO ZHI v ZOld VE909 Old Jej 041U09 0JOIN 1O p IOSO ZHI v lt G d9Ec ID pu 00 c INSg8 LOld USSMJEG UONBIIUNWWOD 10j09 as Jeuenuoo V 999lL Old ejep jenas pereoipeg Aunnsuas Lag oO a z H 9lo4uo 993 0JOIN god goy 1 35 Service Manual BSM 2300 1 GENERAL This page is intentionally left blank 1 36 Service Manual BSM 2300 Section 2 Troubleshooting ELE 2 1 Power Related ProblemS E 2 2 DENN ele E E 2 3 Sound ProDIEMIS uuu 1 A EE miS 2 4 Key PN 2 4 ECG and Respiration by Impedance Method Problems 25 wem 2 6 Non invasive Blood Pressure Problems EE 2 7 Temperature Problems a Ee 2 8 Other Vital Sign Input Problems 2 9 LOM Gell un E 2 10 Recording PMO ein 2 11 QI 231P Interface Problems
127. equency interference from other equipment through the AC power supply of the equipment and or system Identify the cause of this interference and if possible remove this interference source If this is not possible use a different power supply 3 Effectof direct or indirect electrostatic discharge Make sure all users and patients in contact with the equipment and or system are free from direct or indirect electrostatic energy before using it A humid room can help lessen this problem 4 Electromagnetic interference with any radio wave receiver such as radio or television If the equipment and or system interferes with any radio wave receiver locate the equipment and or system as far as possible from the radio wave receiver 5 Interference of lightning When lightning occurs near the location where the equipment and or system is installed it may induce an excessive voltage in the equipment and or system In such a case disconnect the AC power cord from the equipment and or system and operate the equipment and or system by battery power or use an uninterruptible power supply 6 Use with other equipment When the equipment and or system is adjacent to or stacked with other equipment the equipment and or system may affect the other equipment Before use check that the equipment and or system operates normally with the other equipment 7 Use of unspecified accessory transducer and or cable When an unspecified accessory transducer and or
128. espiration by thermistor method The type of parameter is automatically recognized PRESS 1 socket Connects to the IBP connection cord SpO2 socket Connects to the SpO connection cord ECG RESP socket Connects to the ECG connection cord NIBP socket Connects to the air hose rs deni ME Without optional WS 231P recorder module TEMP socket Connects to the temperature probe cord Refer to Warning and Caution in the General Safety Information section Multi parameter socket Connects to the connection cord of the parameter to be monitored IBP PRESS 2 CO or respiration by thermistor method The type of parameter is automatically recognized SpO2 socket Connects to the SpO2 connection cord PRESS 1 socket Connects to the IBP connection cord ECG RESP socket Connects to the ECG connection cord NIBP socket Connects to the air hose Battery box For the optional battery pack With optional WS 231P recorder module Service Manual BSM 2300 1 27 1 GENERAL Right Side Panel Equipotential grounding terminal For an equipotential grounding lead Fuse holder AC SOURCE power cord socket For the AC power cord AUX socket For connecting a display monitor ZB socket or QI 231P 236P interface or AG 400R For the ZB 900P transmitter Without optional WS 231P recorder module PC card slot Equipotential grounding terminal For an equi
129. ff to the instrument with the 3 5 m long adult or neonatal air hose as shown below The adult air hose must be used with the 700 mL dummy cuff and neonatal air hose must be used with the 72 mL dummy cuff LE Sem ee RES HUNE pn MUN Gen ET AL NEN e H SSES L hr S Y branch connector QI N Ce et mg a Touch the SELECTT key or SELECT key to select the 3 2 OVER PRESS2 item Touch the START key to start the check program Immediately increase the pressure inside the dummy cuff and manometer with the hand bulb pump until the pressure reaches to 300 mmHg for adult or 150 mmHg for neonate After getting the specified pressure stop pumping the hand bulb pump and check that the pressure is released within the range of 10 to 15 seconds by the time limiter and safety valve If the abovementioned checks show an error replace the NIBP board or pneumatic component such as valve and tube with a new one Service Manual BSM 2300 3 DIAGNOSTIC CHECK 4 Inflation Speed This check program has the following two check items 4 1 ADULT Checking the Inflation Speed 1 Connect the 700 mL dummy cuff to the instrument with the 3 5 m long adult child air hose as shown below 2 Touch the SELECTT key or SELECTV key to select the 4 1 ADULT item 3 Touch the START key to start the check program Th
130. handle the edges of the backlight lamp unit and holding plate because their edges are sharp and can cause cuts and injuries KEES du lk U K 5 24 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY 4 Lift the backlight lamp unit at the cable side as shown below and pull the lamp unit in the direction of the arrow in the picture 5 Replace the lamp unit with a new one and Insert the tab of the lamp unit into the groove marked with the circle in the following picture J PANEL CONTAINS wanna ITem e ALLOW Lee FLL GR frist if FLIT krit tt Ach pt b ik MIN LG aud S 6 Fasten the lamp unit with the screw It requires approximately 1 5 kgf torque with a torque controllable screwdriver Service Manual BSM 2300 5 25 5 DISASSEMBLY AND ASSEMBLY Replacing the Backlight Lamp BSM 2351 2353 2354 Perform the following procedure after the Replacing the LCD Unit BSM 2351 2353 2354 procedure 1 Put the LCD unit face down on a table covered with a clean soft and smooth material CAUTION e Since the LCD unit and backlight lamp are glass do not apply a mechanical shock such as dropping or pressure to them If the backlight lamp gets even a small crack the gas composition in the lamp will gradually change and the characteristics may deteriorate too much in a short period Do not strain the cable of the backlight lamp Check that the cables of the backlight lamp are not damaged If a
131. he BATTERY Check touch the BATTERY CHECK key at the COM CHECK column The program automatically starts and check results appear on the screen 2 To return to the MANUAL CHECK MENU screen touch the RETURN key 3 47 3 DIAGNOSTIC CHECK 3 48 MULTI PARAMETER UNIT Check This item checks the communication between the DPU and APU and function of the multi parameter Input and IBP board The APU sends the check result and multi parameter socket status data to the DPU on the MAIN board BSM 2301 and BSM 2351 have no IBP board XXX MULTI PARAMETER UNIT CHECK XXX STATUS 0071 HP1 HP2 HP3 PARAMETER PRESS PARAMETER NONE PARAMETER LOOP CHECK ERROR LOOP CHECK ERROR LABEL 0026 LABEL CAL FFF8 CAL CAL TIME 3RFR1FB2 CAL TIME SENSOR OK SENSOR STATUS STATUS MAX 14E1 MAX OBIF HIN 14E0 MIN OB1F Diff 0001 Diff 0000 Ref O7FF CAL OB F RETURH Procedure to Start and Exit the MULTI PARAMETER UNIT Check Program 1 To select the MULTI PARAMETER UNIT Check touch the MULTI PARAMETER UNIT CHECK key at the COM CHECK column e STATUS Factory use e MP PARAMETER Shows the vital sign parameter i e PRESS TEMP CO RESP CO or FiO when the corresponding connection cord is connected to the multi parameter socket or IBP connection cord is connected to the PRESSI socket When the connection cord is disconnected from the socket NONE message appears LOOPCHECK Shows
132. he Error History E 3 5 Eror C OOS EE EN co A E i 3 5 ETNA 3 6 Initializing the System a ar rsasrssssssssssssssssssssasa 3 7 Performing Manual Check and Other Checks 3 8 Calling Up the MANUAL CHECK MENU Screen 3 9 CPU Check Menu ltems co erc ceto rant Pert sete stantes 3 10 3 GEO 10 q 3 10 RAM CHECK EEE EE 94 alte Ae 210 M HH 3 12 TOUCA Key E EE 3 13 elle ie n 3 14 ALARM INDICATOR Check 9 15 EE K e E E UM 3 16 MEMORY CARD Check EE 9 17 Backlight CNBCK TESE E aa a EEE Ea EEAS aA 3 18 CRTC Check Menu ltems a a nnn nsns 3 19 GRAPHIC MEMORY Check and CHARACTER MEMORY Check 3 19 GRAPHIC DRAW Check EE 3 20 CHARACTER DRAW Check 3 22 IMAGE DRAW Check q 3 24 DPU Check Menu ltems oe boa ege EE gegeeg 3 25 BENENE EE 3 25 DET 3 26 ZD ego 3 27 NEPPE 3 28 Mate 3 38 DPU RAM RE 3 39 FONG FRE EE 3 40 APU Check Menu ltems
133. he inserted PCMCIA card and its Interface There are two checks The ATTRIBUTE CHECK displays the dump list of attribute area which is in the PCMCIA card The COMMON CHECK is the write read check for common area This check continues until you touch the STOP key or RETURN key The check method is the same as the system RAM check If the PCMCIA card is not inserted the program displays the CARD NOT INSERTED message on the screen If an error is detected the PCMCIA card or MAIN board will be faulty Procedure to Start MEMORY CARD Check Program 1 To select the MEMORY CARD Check touch the MEMORY CARD CHECK key 2 To display the dump list of attribute area which is in the memory card touch the ATTRIBUTE CHECK key 3 To start the common check touch the COMMON CHECK key If the check program finds an error it displays the address write data and read data as shown in the above table 4 To stop the check temporarily touch the STOP key The START key name changes to normal and the STOP key is highlighted To continue the check touch the START key again 5 Toreturn to the MANAUL CHECK MENU screen touch the RETURN key Service Manual BSM 2300 3 17 3 DIAGNOSTIC CHECK 3 18 Backlight Check XXX BACK LIGHT CHECK xxx BRIGHTNESS DARKNESS RETURN This item checks the brightness control of the LCD backlight While the brightness is manually changed check that it changes
134. he recorder module 6 Connect a new battery pack to the battery cable and arrange the cable as shown below so that it does not come out 7 Install the new battery pack into the original position as shown below CAUTION If the battery pack is incorrectly placed in the space for the battery pack the battery pack does not fit the space To check the position of the battery pack check that the direction of the label on the battery pack is correct 8 Putthe insulation sheet back to the original position as shown below 9 Fasten the bottom plate to the recorder module with the 4 screws h Binding head screws e Pan head screws with washer 5 32 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY Replacing the IO ANALOG OUT or IO CT OUT Board of the Optional Interface Remove the 6 black screws QI 231P or 4 black screws QI 236P and corrugated washers which secure the top cover to the bottom case and side panel QI 236P has no side panel Remove the top cover and side panel from the bottom case 2 Remove the screw which secures the earth wire of the AUX connection cable Disconnect the 2 connectors of the AUX connection cable from the board Loosen the nut which fastens the AUX connection cable to the bottom case Remove the AUX connection cable from the bottom case Earth wire Screw
135. hich causes a screen problem or data waveform display problem is found DPU RAM CHECK Checks the RAM for the CPU of the DPU on the MAIN board The MAIN board will be faulty if an error which causes a screen problem or data waveform display problem is found APU ROM CHECK Checks the ROM for the CPU of the APU on the Analog board The analog board will be faulty if an error which causes a screen problem or data waveform display problem is found APU RAM CHECK Checks the RAM for the CPU of the APU on the Analog board The analog board will be faulty if an error which causes a screen problem or data waveform display problem is found CLOCK IC CHECK Checks the real time clock IC on the MAIN board If the date or time is wrong the clock IC is initialized The MAIN board will be faulty 1f an error is found E2PROM CHECK Checks the backup memory for the system setup data storage If the data is wrong the memory is initialized The MAIN board will be faulty if an error is found If a serious error is found in the abovementioned checks the instrument displays the DIAGNOSTIC CHECK screen without displaying the patient monitoring screen The following data checks are also done The data is corrected if necessary e BACK UP CHECK Checks the backed up data If the backed up data has something wrong the data is initialized e TIME CHECK Checks correctness of the time e GET TIME CHECK Checks the period during the power off a
136. ialization is performed 1 From the DIAGNOSTIC CHECK screen touch the HISTORY key The HISTORY screen appears Then touch the ERROR HISTORY key to display the error history HISTORY ERROR AT OOM OT OE 1 HISTORY HISTORY HISTORY TIME CODE DETAIL DRTE TIHE CODE BOARD DETAIL 00402500 00402500 00402500 00402500 00402500 2 Touch the PRINT key to print the screen with the recorder 3 To return to the MANUAL CHECK MENU screen touch the RETURN key When a fault is detected during operation or during the power on self check the error is stored in the error history table The error codes stored in the error history are only deleted when system initialization is performed If the memory space for the error history is filled up however the oldest error code is deleted when a new error code is added The message and description of each error code are described in the following table Error Code Message Description 0110 WATCHDOGERROR Interrupt from the watch dog timer 0210 BUS ERROR Bus error occurred when an address which is not used in the program was selected 0220 ADDRESS ERROR Address error when a word with an odd address is accessed 3 5 3 DIAGNOSTIC CHECK System Errors XX ILLEGAL INSTRUCTION gt gt XXX DO 0000FF7E D4 00000000 RO 00288002 Ad 002A6004 STATUS 00002700 3 6 D1 00000056 D5 0000FFFF Al 002A64DE A5 0000R3E 2 ProgranC 00009016
137. ident fire lightning vandalism water or other casualty improper installation or application or on which the original identification marks have been removed In the USA and Canada other warranty policies may apply CAUTION United States law restricts this device to sale by or on the order of physician li Service Manual BSM 2300 EMC RELATED CAUTION This equipment and or system complies with IEC 60601 2 International Standard for electromagnetic compatibility for medical electrical equipment and or system However an electromagnetic environment that exceeds the limits or levels stipulated in IEC 60601 1 2 can cause harmful interference to the equipment and or system or cause the equipment and or system to fail to perform its intended function or degrade its intended performance Therefore during the operation of the equipment and or system if there is any undesired deviation from its intended operational performance you must avoid identify and resolve the adverse electromagnetic effect before continuing to use the equipment and or system The following describes some common interference sources and remedial actions 1 Strong electromagnetic interference from a nearby emitter source such as an authorized radio station or cellular phone Install the equipment and or system at another location Keep the emitter source such as cellular phone away from the equipment and or system or turn off the cellular phone 2 Radio fr
138. ient monitoring mode touch the MONITOR MODE key Service Manual BSM 2300 3 7 3 DIAGNOSTIC CHECK Performing Manual Check and Other Checks The following checks are available With the record key and NIBP INTERVAL key pressed until the With the SILENCE ALARMS key pressed patient monitoring screen appears DIAGNOSTIC CHECK Press the MENU key TOUCH PANEL CALIBRATION MANUAL CHECK SYSTEM SETUP SYSTEM INITIALIZE ERROR HISTORY CPU CHECK CRTC CHECK DPU CHECK APU CHECK COM CHECK Recorder and Control Block ROM Check Graphic Memory D A adjust APU ROM Check 7 WS Recorder Checks Check Check RAM Check AD test APU RAM Check SELF TEST Character Serial I F Check PRO No I Hard Key Memory Check ZB I F Check Check Network Card SELF TEST Graphic Draw NIBP Check Check PRO No 2 Touch Key Check Check ROM Check Battery Check SELF TEST Character Draw PRO No 3 Sound Check Check RAM Check Multi Parameter Unit Check Alarm Image Draw Power FREQ Indicator Check ECG Check Check Not used on the BSM 2304A 2354A Output Check Other Check Memory Card Check Back Light Check In most of these checks if a fatal error is detected during the check the operating system hangs When the system hangs turn off the instrument and remove the cause 3 8 Service Manual BSM 2300 Calling Up the MANUAL CHECK MENU Screen Service Manual BSM 2300 3 DIAGNOSTIC CHECK From the DIAGNOSTIC CHECK screen touch the MANUAL CHECK key The
139. ify that the instrument is working in a safe manner with regard to patient safety patient safety checks should be performed on the instrument before it is first installed periodically after installation and after any repair Is made on the instrument For patient safety checks perform the following checks as described in the International Electrotechnical Commission s standard IEC 60601 1 1988 e Protective earth resistance check e Farth leakage current check e Enclosure leakage current check e Patient leakage current check e Withstanding voltage check 1 5 1 GENERAL Specifications lt BSM 2301 2303 2304 2351 2353 gt Display Display size Waveform display mode Viewing area Resolution Maximum number of waveform trace Sweep speed Sweep width Waveform display color Numeric display color Waveform freeze Display waveforms Numerical data display Synchronization mark Sound Sound type Alarm sound Synchronization sound Alarm Alarm items Alarm levels Alarm indication Alarm suspend ECG Electrode offset potential tolerance Input dynamic range Internal noise Common mode rejection ratio Input impedance Input bias current Heart rate count Calculation method Counting range 1 6 BSM 2301 2303 2304 8 4 inch TFT type color LCD BSM 2351 2353 10 4 inch TFT type color LCD Non fade moving or non fade fixed BSM 2301 2303 2304 170 4 mm x 127 8 mm BSM 2351 235
140. inverter board CAUTION Since the pin terminals of the connector may be removed if you pull the backlight lamp cable you must pull the connector housing for the cable disconnection If a pin terminal is removed from the connector you must replace the cable with a new one 2 Remove the 3 screws which secure the inverter board with the top chassis to the front enclosure and remove the inveter board and the top chassis from the front enclosure Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY 3 Remove the 2 screws which secure the Inverter board to the top chassis and remove the Inverter board from the top chassis 5 16 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY Replacing the Inverter Board and Inverter IF Board BSM 2351 2353 2354 Perform the follwing procedure after the Removing the Chassis Block procedure 1 Disconnect the 2 cables of the backlight lamp at the Inverter IF board Wm Cs i NOTE in Assembling the Instrument You can connect the two cables to either sockets on the inverter IF board 2 Remove the 4 screws marked with circles in the following picture Remove the inverter board inverter IF board and board holder from the front enclosure Service Manual BSM 2300 5 17 5 DISASSEMBLY AND ASSEMBLY 3 Remove the 2 screws marked with circles in the following picture and remove the Inverter board from the board holder 4 Remove the spacer bolt and screw
141. ion rate counting accuracy Defibrillation proof Waveform display Display sensitivity Sensitivity control Service Manual BSM 2300 R F or R L 0 to 2 KQ 0 2 Q Refer to input 30 x10 uArms at 40 KHz 3 0 Hz 1 Hz 3 dB Hardware specification 1 5 s 0 5 s Hardware specification 0 to 150 breaths min 2 breaths min Respiration input protected against 400 J discharge 10 mm Q 20 at x1 sensitivity Zo 480 Q 1 4 x1 2 x1 x2 x4 1 7 1 GENERAL Measurement On Off Respiration rate display update cycle Alarm Upper limit range Lower limit range Apnea time Available Every 3 s or when alarm is generated 2 to 150 breaths min in 2 breaths min steps OFF OFF 0 to 148 breaths min in 2 steps OFF 5 to 40 s in 5 s steps SpO on BSM 2301A C K BSM 2303C K BSM 2351 A C K and BSM 2353C K Measuring range Pulse rate counting range SpO accuracy SpO display Pulse rate display update cycle Sync tone modulation Waveform sensitivity Alarm Upper limit range Lower limit range SpO on BSM 2304A Measuring range Pulse rate counting range SpO accuracy SpO display Pulse rate display update cycle Sync tone modulation Waveform sensitivity Alarm Upper limit range Lower limit range Non Invasive Blood pressure NIBP Measuring method Measuring range Accuracy Cuff inflation time Initial cuff inflation pressure Safety
142. is supplied to the instrument and the battery is inserted into the instrument the power supply microcontroller charges the battery with approx 370 mA normal charge for 16 hours maximum After the normal charging the controller uses trickle charging to charges the battery with approx 370 mA for 1 2 seconds at interval of I minute so that the fully charged battery condition is maintained If the normal or trickle charging is interrupted for five hours or less by power failure or disconnection of the power cord and the battery is not removed from the instrument the controller memorizes how many hours the battery is charged before the interruption After it is removed the controller charges the battery under the memorized condition to protect the battery against excessive charge 43 3 V for Host CPU 15 V AC operation Power 5 V for Peripherals Or Control 12 V Battery operation Block Power Switch gt to Battery Service Manual BSM 2300 Analog Board ECG RESP Block Service Manual BSM 2300 4 BOARD UNIT DESCRIPTION The Analog board consists of the ECG RESP block SpO block MP block and ZB 900P interface block The ECG RESP block SpO block and MP block are electrically isolated from the ground so these blocks are in the floating area The ZB 900P interface block is not electrically isolated from the ground so this block is In the non floating area The vital sign input signals are digitized with th
143. isplay Check the character display and colors 2 planes for character screen are available and the check program displays one plane at a time If the screen has a wrong display the MAIN board or LCD unit will be faulty Procedure to Execute the CHARACTER DRAW Check Program 1 To select the CHARACTER DRAW Check touch the CHARACTER DRAW CHECK key and select a plane When the program starts it draws the green characters on the black plane 2 To reverse the plane color touch the CHANGE BACK COLOR key If you press the MENU key you can change the display mode in order of normal blink reverse reverse and blink normal 3 To change the color of the character press the SILENCE ALARMS key The NIBP INTERVAL key selects another plane 4 Toreturn to the CHARACTER DRAW CHECK screen press the HOME key 5 Toreturn to the MANUAL CHECK MENU screen touch the RETURN key Service Manual BSM 2300 Service Manual BSM 2300 3 DIAGNOSTIC CHECK Screen Flow of CHARACTER DRAW Check Program FONT SIZE I g6x OX 0123456789 Z2 BRBCDEFGH JKLHNOPQRSTUVHRYZ _ abedefghi jkImnopqrstuvwuyz2 1 3012345678811 Bag 3 23 3 DIAGNOSTIC CHECK IMAGE DRAW Check XXK IMAGE DRAM CHECK XXX 0001 0702 This item checks the function of the image draw plane and bit map character display All the icons messages and bitmap images are displayed one by one Check the image display and background c
144. it with clean water and dry it completely After reassembling verify that there is nothing wrong with the patient safety checks and function performance checks If there is something wrong with the instrument contact your Nihon Kohden representative to repair Environmental Safeguards Depending on the local laws in your community it may be illegal to dispose of the lithium battery and CRT unit in the regular waste collection Check with your local officials for proper disposal procedures Disinfection and Cleaning To disinfect the outside surface of the instrument wipe it with a non abrasive cloth moistened with any of the disinfectants listed below Do not use any other disinfectants or ultraviolet rays to disinfect the instrument Chlorohexidine gluconate solution 0 5 Benzethonium chloride solution 0 2 Glutaraldehyde solution 2 0 Benzalkonium chloride 0 2 Hydrochloric alkyldiaminoethylglycine 0 5 Service Manual BSM 2300 Service Manual BSM 2300 1 GENERAL Transport e Use the specified shipment container and packing material to transport the instrument If necessary double pack the instrument Also put the instrument into the shipment container after packing so that the buffer material does not get into the inside of the instrument e When transporting the board or unit of the instrument be sure to use a conductive bag Never use an aluminum bag when transporting the power board power unit or boar
145. ital ground 3 3 V supply voltage 3 3 V supply voltage Digital ground LCD enable signal LCD blue 5 LCD blue 4 LCD blue 3 LCD blue 2 LCD blue 1 LCD blue 0 0 I QN tA A Q N bech N N ra cC Digital ground LCD green 5 LCD green 4 LCD green 3 LCD green 2 LCD green I LCD green 0 mA m m m bech D I QN C A W Digital ground LCD red 5 LCD red 4 LCD red 3 LCD red 2 LCD red 1 LCD red 0 N N N N N N na A Wo NO e O Digital ground NO ON Not connected NO I Not connected LCD dot clock 2 N Oo 00 Digital ground LA Service Manual BSM 2300 9 7 9 CONNECTOR PIN ASSIGNMENT CN1401 for rechargeable battery pack Pin Number Signal Name Signal Description Battery output voltage Ground Battery pack detection signal Thermistor output signal CN1501 for CN901 on Analog board Signal Description Signal Name Signal Name Signal Description ERC reset ECG serial communication Receive 15 V supply voltage 15 V supply voltage 5 V supply voltage Digital ground Digital ground Digital ground Digital ground APU mode select signal SpO2 serial communication Receive Board status 0 ZB respiration signal ZB initialize signal ZB serial communication Receive 9 8 ECG serial communication Transmit Clock for floating power 15 V supply voltage 5 V supply voltage 5 V supply voltage Digital ground Digital ground Dig
146. ital ground APU reset SpO2 serial communication Transmit MP serial communication Receive Board status I ZB recognition signal ZB reset ZB serial communication Transmit Service Manual BSM 2300 CN1502 for CN0101 on NIBP board Signal Description Signal Name Pin Number Signal Name Signal Description CUFF 0 return Over pressure error Inflation interval error Zeroing signal Instantaneous recovery 2 Periodic measurement interval Measurement mode 1 Pump control Valve 2 control A to D control A to D control clock A to D channel select I Digital ground Digital ground Digital ground Line frequency detection Speaker sound Service Manual BSM 2300 CUFFO RET OVER PRES SHORT REST ZERO INST2 INTERVAL CUFFI PUMP VALVE2 AD TXD AD SCK XADMPI 9 CONNECTOR PIN ASSIGNMENT CUFF1 RET CUFF 1 return Time out error INTERVAL return Instantaneous recovery 1 Gain select Measurement mode 0 Pump brake Valve 3 control Valve I control A to D data receive A to D channel select 0 15 V supply voltage 15 V supply voltage Digital ground Digital ground Line frequency detection Speaker sound 9 9 9 CONNECTOR PIN ASSIGNMENT Alarm Indicator Board CN0101 for CN0201 on MAIN board Refer to CN0201 for Alarm Indicator board in the MAIN Board section 9 10 Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT Analog Board CN502 Pin Number
147. itivity control x1 4 x1 2 x1 x2 x4 Respiration rate display update cycle Every 3 s or when alarm is generated Alarm Upper limit range 2 to 150 breaths min in 2 breaths min steps OFF Lower limit range OFF 0 to 148 breaths min in 2 breaths min Apnea time OFF 5 to 40 s in 5 s steps Expired Carbon Dioxide Tension CO For the TG 900P TG 920P TG 950P CO sensor kit specifications refer to the kit manual Measuring method Mainstream TG 900P TG 920P semi quantitative TG 950P quantitative Measuring range TG 900P TG 920P 0 to 76 mmHg TG 950P 0 to 99 mmHg Warm up time 5 s minimum Service Manual BSM 2300 117 1 GENERAL Response time TG 900P TG 920P TG 950P Detectable respiration rate TG 900P TG 920P TG 950P Respiration rate counting accuracy Measuring accuracy TG 900P TG 920P TG 950P CO value display update cycle Alarm Upper limit range Lower limit range Apnea time Trendgraph Trend parameters Trend times Data sampling time Vital Signs List Parameters Number of files in list List interval 200 ms typical for steps from 10 to 90 120 ms typical for steps from 10 to 90 60 ms typical for steps from 10 to 90 delay time 100 ms 10 ms 3 to 600 breaths min 3 to 150 breaths min 0 to 150 breaths min 2 breaths min 4 mmHg 0 lt CO 40 mmHg 10 reading 40 lt CO lt 76 mmHg When 1 atmospheric pressure NOS 70 96 no condensation 2
148. le and instrument Service Manual BSM 2300 5 1 5 DISASSEMBLY AND ASSEMBLY 2 2b Gently pull the battery cable until the connectors come out from the recorder module 2 2c Disconnect the battery cable from the battery pack of the recorder module 2 2d Press the latches at both ends of the upper flat cable connector to release the lock and disconnect the upper flat cable from the instrument Press the latches at both ends of the lower flat cable connector to release the lock and disconnect the lower flat cable from the instrument Remove the recorder module from the instrument NOTE in Assembling the Instrument When connecting the two flat cables to the instrument check the direction of the connector and insert it into the socket of the instrument until the connector clicks Check that the longer flat cable is connected to the upper socket of the instrument 3 Remove the 5 screws from the rear enclosure and remove the rear enclosure from the instrument as shown below The rear chassis appears NOTE in Assembling the Instrument When attaching the rear enclosure to the instrument be careful not to pinch or strain the internal wires or cables and tubes 5 2 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY 4 Remove the 2 screws from the left and right side panels and remove them from the chassis block lt Right side gt lt Left side gt BSM 2301 and BSM 2351 have no PRESS1 socket BSM 2304A and BSM 2354
149. maximum pressure Safety cuff inflation limiter Cuff inflation time limiter Measurement mode NIBP data display update cycle Measurement completion sound Alarm Upper limit range Lower limit range Temperature Measuring range Measuring accuracy Temperature drift Temperature range Display range Display update cycle Alarm Upper limit range Lower limit range 1 16 I to 100 0 20 to 250 beats min Adult 2 digits 70 SpO lt 100 Neonate 3 digits 70 SpO lt 100 Every 3 s or when alarm is generated Change in 20 steps at 81 to 10096 SpO x1 8 x1 4 x1 2 x1 x2 x4 x8 or AUTO 51 to 10096 SpO in 1 SpO steps OFF OFF 50 to 99 SpO in 1 SpO steps Oscillometric 0 to 300 mmHg 3 mmHg 0 mmHg NIBP lt 200 mmHg 4 mmHg 200 mmHg lt NIBP lt 300 mmHg Adult TS Neonate 5s Adult 180 mmHg Neonate 100 mmHg Adult 300 mmHg Neonate 150 mmHg Adult 330 mmHg Neonate 165 mmHg Adult 180 s Neonates lt 90 s Manual STAT Continuous Periodic 2 2 5 5 10 15 30 min 1 2 4 8 hr interval Updated every measurement Generated at every measurement completion when set on the SYSTEM SETUP screen 15 to 260 mmHg in 5 mmHg steps OFF OFF 10 to 255 mmHg in 5 mmHg steps 0 to 45 C 0 1 C 25 C Temp 45 C 0 2 C 0 C Temp lt 25 C within 0 005 C C O C to 45 C 32 to 113 F Every 3s 0 1 to 45 C 32 to 113 F in
150. mmHg 0 CO lt 40 mmHg 5 reading 40 lt CO 70 mmHg 7 reading 70 lt CO 100 mmHg When no condensation NO lt 70 Every 3 s or when alarm is generated 2 to 99 mmHg in 1 mmHg in 1 steps OFF OFF 1 to 98 mmHg in 1 steps OFF 5 to 40 s Heart rate or pulse rate respiration rate VPC rate ST level EVENT arrhythmia apnea time apnea frequency SpO NIBP systolic diastolic and mean IBP systolic diastolic and mean temperature and EtCO 1 2 4 8 and 24 h min for 1 2 4 8 hours 3 min for 24 hours Heart rate or pulse rate VPC rate ST level NIBP systolic diastolic and mean SpO IBP systolic diastolic and mean respiration rate temperature and EtCO Periodic vital signs list 120 Entries in vital signs list at NIBP measurement 120 1 5 15 30 or 60 minutes Vital signs list at NIBP measurement at NIBP measurement Periodic vital signs list Recorder Module optional WS 231P Recording method Number of channels Recording width Paper speed Recording paper Resolution Dimensions Weight 1 18 Thermal array recording 3 traces maximum 246 mm 25 50 mm s FQW50 3 100 Amplitude direction of waveforms 8 dots mm Time direction of waveforms 40 lines mm 8 lines mm graphic recording 212 mm W x 90 mm H x 140 mm D 1 5 kg Service Manual BSM 2300 External Output External monitor Power Requirement Line voltage Line frequency
151. ms NIBP MODULE Faulty NIBP board Replace the NIBP board with a new one ERROR message is displayed CIRCUIT RUNNING One of the internal air tubes between the Check the internal air tube connection message Is displayed NIBP board and NIBP socket is pinched Faulty NIBP board Replace the NIBP board with a new one AIR LEAK message is Cuff or air hose has an air leak Replace the cuff or air hose with a new displayed one One of the internal air tubes between the Check the internal air tube connection NIBP board and NIBP socket is loose or Replace the faulty component with a new disconnected if the cuff is not inflated one if damaged when the NIBP pump sounds like it s moving Faulty NIBP board Replace the NIBP board with a new one There is no change on the The air hose connector is faulty Replace the air hose with a new one screen when you connect l The connection cable between the Hall Tightly connect the cable between the the air hose io the NIBP sensor board and NIBP board is boards Replace the cable with a new one if socket on the instrument disconnected or faulty faulty The connection cable between the NIBP Tightly connect the cable between the board and MAIN board is disconnected or boards Replace the cable with a new one if faulty faulty Faulty Hall Sensor board NIBP board or Replace the faulty board with a new one MAIN board NIBP measurement data A wrong cuff size is used or the condi
152. nal CN002 Pin Number Signal Name Signal Description EF Floating ground OUTPUT ECG or trigger output CN005 Pin Number Signal Name Signal Description Red output Green output Blue output VSYNCGND Vertical synchronous signal return RGND Red output return GGND Green output return BGND Blue output return NC G I OQ nan A Q N HSYNC GND Horizontal synchronous signal return Horizontal synchronous signal Vertical synchronous signal Service Manual BSM 2300 9 23 9 CONNECTOR PIN ASSIGNMENT CN003 Pin Number Signal Name Signal Description Data of ECG or trigger signal Data receive G I A a A Q N Request to send Data set ready 5 V supply voltage Digital ground Data transmit Clear to send Data termination ready CN004 Pin Number Signal Name Signal Description Red output Red output return Green output Green output return Blue output BGND Blue output return VSYNC Vertical synchronous signal VSYNC GND Vertical synchronous signal return 2 3 A 5 6 7 8 9 HSYNC Horizontal synchronous signal HSYNC GND Horizontal synchronous signal return 9 24 Service Manual BSM 2300 IO CT OUT Board CN002 Pin Number Signal Name 2 3 A 5 6 7 8 9 CN003 Pin Number Signal Name O I QN tA A Q N Service Manual BSM 2300 Signal Description ECG analog signal Ground Ground QRS synch trigge
153. nction works properly while the instrument is turned off Yes No 6 8 Service Manual BSM 2300 Power Power cord and ground lead are not damaged Instrument is firmly grounded to a dedicated grounding terminal Fuse is the correct rating Safety Protective earth impedance is less than prescribed limit Earth leakage current is less than prescribed limits Enclosure leakage current is less than prescribed limits Patient leakage current is less than prescribed limits Withstand voltages of instrument are prescribed voltage and time limits or more Others Line voltage is within the range of nominal voltage 10 Instrument is correctly connected to other equipment All screws are tight Service Manual BSM 2300 6 MAINTENANCE Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No 6 9 Section 7 Adjustment Sensors inthe Recorder gege 7 1 Adjusting the Output Voltages with Digital or Analog Multimeter 7 1 Service Manual BSM 2300 7C 1 7 ADJUSTMENT Sensors in the Recorder Unit Adjusting the Output Voltages with Digital or Analog Multimeter MARK VR PAPER VR Sensor Control Board Service Manual BSM 2300 After you replace the sensor board of the recorder unit with a new one adjust the paper and mark detection output voltages on the sensor control board as shown below 1 Connect 150 Q resistors to pins 9 and 11 of the 12 pin connector cable from the s
154. nd adjusts the time data if it is wrong 3 3 3 DIAGNOSTIC CHECK Calling Up the DIAGNOSTIC CHECK Screen Use this screen to view the error history or perform manual check or system setup and initialization 1 With the power off press the Power switch while pressing the SILENCE ALARMS key Continue pressing the SILENCE ALARMS key until the DIAGNOSTIC CHECK screen appears XXX DIAGNOSTIC CHECK XXX POWER H CHECK RESULT DK OPTION NO HS BSH 2300 VERSION CPU PROGRAM LANGUAGE Ver 00 24 Ver 00 24 SUM DCC70B02 SUM RERBDERF BOOT fer 00 24 Ver 01 01 SUM 30BA3FCC SUM 3CDEY440 Ver 00 24 SUM D5E95065 SYSTEM MANUAL CHECK SYSTEM SETUP INITIALIZE HISTORY MONITOR MODE 2 To exit the DIAGNOSTIC CHECK screen and return to the patient monitoring mode touch the MONITOR MODE key NOTE After upgrading the instrument or adding the option to the instrument check that the software version is changed to the new one or a model number of the option is displayed on the DIAGNOSTIC CHECK screen 3 4 Service Manual BSM 2300 3 DIAGNOSTIC CHECK Calling Up the Error History Error Codes Service Manual BSM 2300 The ERROR HISTORY screen shows the error history of the instrument The error code board name time and date the error occurred are listed on this screen For an explanation of error codes see the Error Codes section The error history data is deleted whenever system init
155. new one 2 10 Service Manual BSM 2300 2 IROUBLESHOOTING Recording Problems Possible Cause Criteria Recording paper does not feed properly For page dependent recording such as trenderaph and vital sign list the recording does not start at the top of the page The recorded data such as waveform and grid has a faint part on the paper Straight line is recorded at the same position on the paper There is different contrast between the upper half and lower half of the paper Service Manual BSM 2300 Recording mark does not appear on the screen when the record key is pressed Faulty connection between CN 104 on the REC Power board and REC Key board or between the REC Power and REC MAIN boards Faulty REC Key board Check the connection and replace the connection cable with a new one if necessary Replace the REC Key board Faulty REC MAIN board Replace the REC MAIN board Faulty connection between the monitor and recorder module Faulty connection between the REC Power board and recorder unit Faulty magazine position sensing micro switch of the recorder unit Paper magazine open mark appears on the screen Out of paper mark appears on the screen Faulty connection between the REC Power board and recorder unit Faulty paper detector LED and phototransistor assy of the reorder unit Recording can be performed when the paper is manually pulled out after the reco
156. ng the LCD IF Board BSM 2351 2353 2354 Remove the LCD IF board from the LCD unit after the Replacing the LCD Unit procedure CAUTION in Assembling the Instrument To connect the LCD IF board to the LCD unit align the connectors of the LCD unit and LCD IF board and firmly press the LCD IF board until it clicks Service Manual BSM 2300 5 23 5 DISASSEMBLY AND ASSEMBLY Replacing the Backlight Lamp Unit BSM 2301 2303 2304 Perform the following procedure after the Replacing the LCD Unit BSM 2301 2303 2304 procedure 1 Place the LCD untt face down on the table covered with a clean soft and smooth material 2 Remove the screw marked with arrow I in the following picture 3 Peel off the conductive tape marked with arrow 2 in the following picture CAUTION e Since the LCD unit and lamps in the backlight lamp unit are covered with glass do not apply a mechanical shock such as dropping or pressure to them e If a lamp in the backlight lamp unit has a small crack the gas composition in the lamp will gradually change and the characteristics may deteriorate too much in a short period e Do not strain the cable of the backlight lamp unit e Check that the cables between the inverter board and backlight lamp unit are not damaged If a cable has even slight damage it may break the vinyl of the wire and short circuit may occur because a high voltage is output for the lamps through the cable e Carefully
157. nment Temperature Humidity Atmospheric pressure Dimensions and Weight Dimensions Weight Electromagnetic Compatibility Provided Provided BSM 2301A 2304A 2351A 117 V 10 AC BSM 2301C K BSM 2303C K BSM 2351C K BSM 2353C K 100 to 240 V 10 AC 50 or 60 Hz 2 10 8 to 15 0 V 5 AC operation BSM 2301A 2304A BSM 2301C K BSM 2303C K BSM 2351A BSM 2351C K BSM 2353C K Battery operation 40 W maximum about 2 min 40 s month maximum about 5 min month maximum 10 to 40 C 30 to 90 RH 0 to 40 C non condensing 70 to 106 kPa 20 to 60 C 15 to 55 C Recording paper 10 to 90 RH 0 to 40 C non condensing 70 to 106 kPa BSM 2301 2303 2304 BSM 235 1 2353 BSM 2301 2303 2304 BSM 235 1 2353 approx 4 7 kg approx 5 kg 70 VA maximum 86 VA maximum 80 VA maximum 95 VA maximum 253 W x 242 H x145 D mm 293 W x 272 Hx 149 D mm IEC 60601 1 2 1993 Collateral Standard Electromagnetic compatibility Requirement and tests Emissions CISPR11 Group 1 Class B Service Manual BSM 2300 1 GENERAL Safety Standard Safety standard IEC 60601 1 1988 Amendment 1 1991 Amendment 2 1995 IEC 60601 1 1 Amendment 1 1995 IEC 60601 2 27 1994 Particular requirements for the safety of electrocardiographic monitoring IEC 60601 2 34 1994 Particular requirements for the safety of direct blood pressure monitoring equipment IEC 60601 2 30 1995 Particular requireme
158. nnection between CN1001 on the MAIN board and LCD unit Faulty LCD unit Faulty MAIN board Faulty MAIN board Battery operation Check the connection Faulty LCD unit Replace the LCD unit Faulty MAIN board Replace the MAIN board Refer to each vital sign troubleshooting section Refer to each vital sign troubleshooting section 2 3 2 IROUBLESHOOTING Sound Problems No sound Faulty connection between CN0107 on the Check the connection NIBP board and the speaker Faulty speaker Replace the speaker Faulty audio circuit on the MAIN board Replace the MAIN board No sound except for a Faulty audio circuit on the MAIN board Replace the MAIN board hissing sound Faulty speaker Replace the speaker The sound is muffled or Something foreign blocks the speaker Remove the foreign matter distorted vents or touches the speaker The speaker is wrongly attached Attach the speaker correctly Key Operation Problems No key on the front panel Faulty connection between CN101 on the Check the connection works Operation board and CN0202 on the MAIN board Faulty MAIN board Replace the MAIN board Faulty Operation board Replace the Operation board A specified key on the Faulty connection between CN101 on the Replace the connection cable operation panel does not Operation board and CN0202 on the MAIN work board Faulty Operation board Replace the Operation board The workable key area Incorrect
159. no pressure applied on the cuff connector before pressing the START key The program considers the pressure of the cuff connector as 0 mmHg at the start of the check 4 Toreturn to the MANUAL CHECK MENU screen touch the RETURN key 1 Calibration The Calibration Check program is not used for calibration but is used to display the accuracy of the two pressure sensors Sensor I and Sensor 2 The accuracy of each sensor changes with the measuring pressure The following table shows the acceptable accuracy range of the two pressure sensors at different pressure ranges lt Acceptable Accuracy Range of Sensor 1 gt Pressure Range Acceptable Accuracy Range 0 300 mmHg 3 mmHg Acceptable Accuracy Range of Sensor 2 at Different Pressure Ranges Pressure Range Acceptable Accuracy Range 0 15 mmHg 2 mmHg to 3 mmHg 16 200 mmHg mmHg 201 300 mmHg 12 mmHg Checking the Pressure Sensor Accuracy NOTE Before performing the following check perform 2 ZERO CALIBRATION first and check that OK appears on the screen 1 Connect the manometer and hand bulb pump to the dummy cuff using the Y branch connector and connect the dummy cuff to the instrument with the air hose as shown on the next page Service Manual BSM 2300 3 29 3 DIAGNOSTIC CHECK 3 30 VE ox wem em mm pe ER em JONER SON GL ER SR AE D ER V S Y branch e S SJ E e EE z
160. nstrument and the patient must receive continual careful attention 2 Turn power off or remove electrodes and or transducers when necessary to assure the patient s safety 3 Avoid direct contact between the instrument housing and the patient 5 ToShutdown After Use 1 Turn power off with all controls returned to their original positions 2 Remove the cords gently do not use force to remove them 3 Clean the instrument together with all accessories for their next use 6 Theinstrument must receive expert professional attention for maintenance and repairs When the instrument is not functioning properly it should be clearly marked to avoid operation while it is out of order 7 Theinstrument must not be altered or modified in any way 8 Maintenance and Inspection 1 The instrument and parts must undergo regular maintenance inspection at least every 6 months 2 If stored for extended periods without being used make sure prior to operation that the instrument is in perfect operating condition Service Manual BSM 2300 i 3 Technical information such as parts list descriptions calibration instructions or other information is available for qualified user technical personnel upon request from your Nihon Kohden distributor 9 When the instrument is used with an electrosurgical instrument pay careful attention to the application and or location of electrodes and or transducers to avoid possible burn to the patient 1
161. nt Number of measurement channels Measuring range Alarm limits Pacemaker pulse rejection capability Defibrillation proof ESU interference filter Filters Lead 3 electrode cable 6 electrode cable Waveform display Display sensitivity Sensitivity control Pacing spike display Heart rate display update cycle Alarm items Upper limit range Lower limit range Alarm items 1 GENERAL Template matching method channel 0 to 99 VPCs min ASYSTOLE VT VF VPC RUN COUPLET EARLY VPC BIGEMINY FREQ VPC TACHYCARDIA BRADYCARDIA 16 8s ch 2 5mV 2 0 mV in 0 01 mV steps OFF 0 1 to 2 ms 2 to 700 mV ANSI AAMI EC 13 1992 compatible Pacing pulse detection ON OFF ECG input protected against 400 J IEC 60601 2 27 17 101 compatible Provided ON Time constant 0 5 s AC hum filter 0 3 to 23 Hz gt 3 dB lt 16 dB 50 Hz or 60 Hz OFF Time constant 3 2 s 0 05 to 150 Hz gt 3 dB L IL MI I IL III aVR aVL aVF V4 V5 10 mm mV 5 at X1 sensitivity x1 4 x1 2 x1 x2 x4 or AUTO Available Every 3 s or when alarm is generated 20 to 300 beats min in 5 beats min steps OFF OFF 15 to 295 beats min in 5 beats min steps TACHYCARDIA BRADYCARDIA ASYSTOLE Respiration Transthoracic impedance pneumography Measuring lead Measuring impedance available range Internal noise Excitor current Frequency response Time constant Respiration counter counting range Respirat
162. nts for the safety of automatic cycling in in direct blood pressure monitoring equipment According to the type of protection against electrical shock CLASS I EQUIPMENT AC Powered Internally Powered EQUIPMENT BATTERY Powered According to the degree of protection against electrical shock ECG Respiration impedance Respiration thermistor IBP Temperature CO Defibrillator proof type CF applied part SpO NIBP Defibrillator proof type BF applied part For BSM 2301 depending on the serial number the degree of protection against electrical shock for the specified parameters may be as follows Temperature CF applied part SpO Respiration thermistor CO BF applied part According to the degree of protection against harmful ingress of water IPX0 ordinary EQUIPMENT According to the degree of safety of application in the presence of FLAMMABLE ANAESTHETIC MIXTURE WITH AIR OR WITH OXYGEN OR NITROUS OXIDE Equipment not suitable for use in the presence of FLAMMABLE ANAESTHETIC MIXTURE WITH AIR OR WITH OXYGEN OR NITROUS OXIDE According to the mode of operation CONTINUOUS OPERATION Service Manual BSM 2300 1 13 1 GENERAL lt BSM 2354A gt Display Display size Waveform display mode Viewing area Resolution Maximum number of waveform trace Sweep speed Sweep width Waveform display color Numeric display color Waveform freeze Display waveforms Numerical data display Synchronization mark Sound Sound ty
163. o MEASURE START key and blinks 4 Immediately increase the pressure inside the dummy cuff with the hand bulb pump up to about 250 mmHg and pinch the hose of the hand bulb pump 5 When the pressure becomes stable touch the blinking MEASURE START key to measure the pressure The blinking stops The instrument displays the values of the pressure 10 seconds after and pressure 20 seconds after the MEASURE START key is pressed Check that the pressure difference between the two pressures is within 5 mmHg If it is more than 5 mmHg an ERROR message appears and the NIBP board or pneumatic component such as pump valve or tube is faulty 3 34 Service Manual BSM 2300 3 DIAGNOSTIC CHECK 6 Step Deflation 6 1 V1 250 mmHg Checking the Valve 1 at the High Pressure 1 Connect the 250 mL dummy cuff and hand bulb pump to the instrument with the 3 5 m long adult child air hose as shown below L 1 p ae 250 ml dummy cuff pinch the hose in step 4 Id E UG 2 Touch the SELECTT key or SELECTV key to select the 6 1 V1 250mmHg item 3 Touch the START key to start the check program The START key changes to MEASURE START key and blinks 4 Immediately increase the pressure inside the dummy cuff with the hand bulb pump up to about 250 mmHg and pinch the hose of the hand bulb pump 5 When the pressure becomes stable touch the blinking MEASURE START key to meas
164. olors If the screen has a wrong display the MAIN board or LCD unit will be faulty Procedure to Start the IMAGE DRAW Check Program 1 To select the IMAGE DRAW Check touch the IMAGE DRAW CHECK key When the program starts it draws the white image on the black plane 2 To reverse the plane color touch the CHANGE BACK COLOR key 3 To change the images by ten press the NIBP INTERVAL key To change the image one by one touch the UP or DOWN key on the screen 4 Toreturn to the MANUAL CHECK MENU screen touch the RETURN key 3 24 Service Manual BSM 2300 3 DIAGNOSTIC CHECK DPU Check Menu Items The DPU check items check the communication between the Analog board and DPU or between the NIBP board and DPU D A ADJUST XXX D H ADJUST XXX RETURN This item is used to check the output voltage level of the D to converter Connect a digital multimeter or oscilloscope to the ZB 900P socket Pin 1 Analog output Pin 2 Ground and check the following output signals to A output DC 2 5 V 2 500 V 5 DC 0 V CHECK 0 V 100 mV DC 5 V CHECK 5 000 V 5 AC 30 Hz 30 Hz 5 Procedure to Start the D A Adjust Check 1 To select the D A Adjust Check touch the D A ADJUST key at the DPU CHECK column The program outputs 2 5 V DC The DC 2 5 V key is highlighted to indicate the status of output 2 To change the output voltage or waveform touch each name of the other keys
165. on is wrong QI 236P Interface Problems Problem Possible Gause Gritera Aci QRS synchronous signal Adjust the ECG sensitivity at the bedside HT is not output interface monitor monitor and interface is poor the AUX socket of the bedside monitor output monitor and interface is poor the AUX socket of the bedside monitor An external display This interface has a poor contact Check the connection from the bedside connected to the bedside between the bedside monitor and monitor to the external display through this monitor through this external display interface interface does not display The RGB signal requirement of the Select an external display which matches the any screen external display does not match the RGB RGB signal specification of the bedside signal specification of the bedside monitor monitor This interface has a malfunction Replace the IO CT OUT board with a new one When this interface is This interface has a malfunction Replace the IO CT OUT board with a new attached to the bedside one monitor the bedside monitor s operation becomes wrong Service Manual BSM 2300 2 13 2 IROUBLESHOOTING This page is intentionally left blank 2 14 Service Manual BSM 2300 Section 3 Diagnostic Check DITT Ne 3 1 P ower On Selt CHECK MR EE seconde 3 2 Calling Up the DIAGNOSTIC CHECK Screen 3 4 Calling Up t
166. ons Em 1 24 gie AION EEE m T 1 24 Len SIGS EE 1 26 BSM 2301A C K BSM 2303C K BSM 2351A C K and BSM 2353C K 1 26 sepes AI 54A EEE 1 27 Right Side Panel E 1 28 Storage and Transport en 1 29 SJ 9 2 6 EEE EE MM LI DU M ee ee 1 29 lij m m 1 29 Hard Kays GING EN EE mia E TOn ENRETE ERE 1 29 EG r E E E E tan E E cued 1 29 SONE OV umasa 1 29 Upgrading the System Software and Changing Language on the Screen 1 30 mieec olm uu 1 30 FPO NN 1 31 BSM 2301 2309 2304 EE EE EE EE 1 31 Ste ES E 1 32 VP Recoroer Module ARR Rm 1 33 Ql 23 Men le EE 1 34 QI 2360P Interface E 1 35 Service Manual BSM 2300 Introduction Service Manual BSM 2300 1 GENERAL This service manual provides useful Information to qualified personnel to understand troubleshoot service maintain and repair the BSM 2300 bedside monitor referred to as the Instrument in this service manual All replaceable parts or units of this instrument are clearly listed with exploded illustration to help you locate the parts quickly The Maintenance section in this service manual describes the maintenance that should be performed by qualified service personnel The Maintenance section in the operator s manual describes the maintenan
167. or Replace the pickup with a new one method cannot be probe Service Manual BSM 2300 2 9 2 IROUBLESHOOTING Option Problems Problem Possible Cause Criteria Gnr The instrument The transmitter cable is disconnected from the Tightly connect the transmitter to the does not transmit instrument instrument all with the the instrument ZB 900P central monitor or telemetry system monitor or telemetry system with a new one no communication installed into the instrument instrument completely with the other The network The network card is poorly Tightly insert the network card into the bedside monitors communicating inserted into the slot of the slot and central symbol does instrument monitors not appear on The network cable such as Tightly connect the network cable between the screen 10Base T cable is poorly the network card and hub connected between the network card and hub The hub connected to the Turn on the hub Replace the hub with a instrument is not turned on or new one if the problem still exists after the is faulty power is turned on The instrument is connected to Use the correct wiring 10Base T cable the hub with 10Base T cross wiring cable The instrument is directly connected to the central monitor with 10Base T straight wiring cable The network cable is faulty Replace the network cable with a new one The network card or MAIN Replace the faulty network card or MAIN board is faulty board with a
168. or when alarm is generated Provided systolic value 20 to 120 mmHg changes in 20 steps every 5 mmHg 2 to 300 mmHg in 2 mmHg steps OFF OFF 0 to 298 mmHg steps in 2 mmHg steps 1 9 1 GENERAL Respiration Thermistor method Respiration rate counting range Accuracy Noise Frequency response Time constant Waveform display Display sensitivity Sensitivity control Respiration rate display update cycle Alarm Upper limit range Lower limit range Apnea time 0 to 150 breaths min Apnea 5 to 40 s 2 breaths min Within 20 Q Refer to input 3 0 Hz 3 dB 2 5s 10 mm 100 Q 20 at x1 sensitivity x1 4 x1 2 x1 x2 x4 Every 3 s or when alarm is generated 2 to 150 breaths min in 2 breaths min steps OFF OFF 0 to 148 breaths min 1n 2 breaths min OFF 5 to 40 s in 5 s steps Expired Carbon Dioxide Tension CO For the TG 900P TG 920P TG 950P CO sensor kit specifications refer to the kit manual Measuring method Measuring range TG 900P TG 920P TG 950P Warm up time Response time TG 900P TG 920P TG 950P Detectable respiration rate TG 900P TG 920P TG 950P Respiration rate counting accuracy Measuring accuracy TG 900P TG 920P TG 950P CO value display update cycle Alarm Upper limit range Lower limit range Apnea time Trendgraph Trend parameters 1 10 Mainstream TG 900P TG 920P semi quantitative TG 950P quantitative 0 to 76 mmHg 0 to 99 mmHg
169. ound the host CPU displays the address at the error occurrence written data and read data on the following screen XXX HETHORKCARD CHECK xxx CARD ATTRIBUTE COMMON RAM CHECK BY CARD CHECK ROH CHECK EVSTEM RAM CHECK COMMON RAM CHECK BY CARD 01 ADDRESS HRITE READ ADDRESS HRITE READ OMMON RAM CHECK BY CARD RETURN Service Manual BSM 2300 Service Manual BSM 2300 3 DIAGNOSTIC CHECK 5 Touch the COMMON RAM CHECK BY HOST key on the screen The host CPU on the MAIN board checks the common memory of the network card and displays the check result on the screen If an error is found the host CPU displays the address at the error occurrence written data and read data on the following screen XXX HETHORKCRRD CHECK xxx CARD ATTRIBUTE COMMON RAM CHECK BY HOST EVSTEM RAM CHECK COMMON RAM CHECK BY HOST 00 UT FAR 1 D BY CARD CHECK ADDRESS HRITE READ ADDRESS HRITE READ OMMON RAM CHECK BY HOST RETURN 6 Toreturn to the MANUAL CHECK MENU screen touch the RETURN key BATTERY Check This check program checks the temperature of the optional battery pack and thermistor for the battery temperature detection If DISCONNECTION appears at the THERMISTOR check item but the battery pack is firmly connected the battery pack or MAIN board will be faulty XXK BATTERY CHECK XXX TEHP OVER THERMISTER NORMAL RETURN Procedure to Start and Exit the BATTERY Check Program 1 To select t
170. pe Alarm sound Synchronization sound Alarm Alarm items Alarm levels Alarm indication Alarm suspend Alarm signal delay in CNS network ECG Electrode offset potential tolerance Input dynamic range Internal noise Common mode rejection ratio Input impedance Input bias current Heart rate count Calculation method Counting range Arrhythmia analysis Analysis method Number of channels VPC counting rate Arrhythmia message 10 4 inch TFT type color LCD Non fade moving or non fade fixed 211 2 mm x 158 4 mm 800 x 600 dots 6 traces 25 mm s 50 mm s Respiration and CO low speed 1 56 mm s 6 25 mm s about 154 mm at 25 mm s sweep speed 12 12 Provided ECG respiration IBP SpO pulse wave and CO Heart rate VPC rate ST level respiration rate IBP systolic diastolic mean NIBP systolic diastolic mean SpO pulse rate temperature EtCO and FCO Heart rate sync mark pulse rate sync mark respiratory sync mark Alarm synchronization click 3 types Pitch variable for IBP and SpO Upper lower limits alarm apnea alarm arrhythmia alarm connector disconnection alarm noise alarm electrode off alarm pulse waveform detecting alarm probe off alarm cuff hose check alarm sensor check alarm battery weak alarm operating environment alarm Crisis red blinking Warning yellow blinking Advisory yellow lighting Alarm indicator highlighted message alarm sound Provided lt 4 s
171. potential grounding lead Fuse holder AC SOURCE power cord socket For the AC power cord AUX socket ZB socket For connecting a For the ZB 900P transmitter display monitor o QI 231P 236P interface WS 231P recorder module option or AG 400H Paper window For checking the amount of recording paper Hecorder door release lever g 9 pap Pull up the lever to open the recorder door With optional WS 231P recorder module 1 28 Service Manual BSM 2300 1 GENERAL Storage and Transport Storage Transport Follow these procedures when storing or transporting the instrument Before storing the instrument for a long time perform the following steps 1 Disconnect the power cord from the instrument 2 Cover the instrument with a dust cover 3 If possible store the instrument in its original shipping container 4 Make sure the storage place meets the following storage conditions for the duration of the storage Storage temperature 20 to 60 C 4 to 140 F Storage humidity 10 to 90 RH non condensing To transport the instrument perform the following steps 1 Disconnect the power cord from the instrument 2 Cover the instrument with a dust cover 3 If possible transport the instrument in its original shipping container Hard Keys and Soft Keys Hard Keys Soft Keys Service Manual BSM 2300 The instrument has five hard keys SILENCE ALARMS NIBP interval NIBP START STOP MENU and HOME These
172. pplying the SpO2 probe and NIBP cuff to a healthy person or yourself Check that there is no error on the screen when performing the NIBP checks on the If there is anything wrong check the connection between the AX 800P and instrument and remove the cause If there is a big difference check the connection between the healthy person and instrument and remove the cause Remove the cause if an error occurs Multi parameter socket function Zero balance of IBP Alarm function Manual Check Menu screen Check that the connection cord is recognized and the related parameter is displayed when connecting the connection cord to the socket Check that the blood pressure transducer is zero balanced when connecting the transducer to the instrument through the IBP connection cord and pressing ALL ZERO key or multi parameter key on the screen Check that the alarm mark appears on the screen the alarm indicator works and the alarm sounds when an alarm occurs Transducer Check that the specified sensor and transducer are used Service Manual BSM 2300 If the socket has no function plug the connection cord into the other multi parameter sockets and check which one is wrong connection cord or instrument If the transducer is still imbalanced after zeroing connect the transducer to the other multi parameter sockets and check which one is wrong transducer or instrument If there is anything wrong check the corre
173. r and Inverter IF boards N 3734 97 2 Wb K UR 3840 1 MAIN board This shield cover and battery HYK E cable are included L 613828A l Rechargeable battery connection cable N 9795 7 W M UR 36121 1 Analog board for BSM 2351 2353 THAD ik F The plastic cover Insulation sheet and three shield sheets are included M UR 3875 l Analog board for BSM 2354A pi k F The plastic cover Insulation sheet and three shield sheets are included N 0 l NIBP board NIBP F O n 1 Hall Sensor board h7 HABER F P 532149 l NIBP pump A 22 Q 622364 2 Solenoid valve ET R 611394A l Solenoid valve EF S 104522 2 2A fuse Ei T 580676 1 AC inlet socket with fuse drawer AC41Yby h or the following combination 550067 1 AC inlet socket AC472UF 550076 l Fuse drawer E1 A wa U 550013B 1 Power supply unit Sab V 613169B 1 Ground wire W 613169A 1 Wires between AC inlet socket and power supply unit EIN 4 WA 357 2 W X 628919A 1 AC power harness AC4 7 Wb Y 613267B 1 Speaker AE Z UR 3643 l NIBP amp Hall Sensor boards The components k YD N WT 1499 such as pump valves and tubes are included MENE Z UR 3880 2 l NIBP amp Hall Sensor boards The components k YD N WT 1499 such as pump valves and tubes are included MENE For BSM 2353 2 For BSM 2354A 8 12 Service Manual BSM 2300 8 REPLACEABLE PARTS LIST BSM 2351 2353 2354 eM aM NS LA GH GH Ay UNGT SN E BSM 2354
174. r label for BSM 2303K Model number label for BSM 2304A Nihon Kohden logo sheet Front enclosure Alarm indicator Alarm indicator packing Reflector Touch screen packing Operation board holder LCD holder Insulation sheet between inverter board LCD holder Spacer bolt for LCD unit EMC spring between LCD and LCD holder Conductive gasket between LCD and LCD holder Spacer bolt for Power SW board MAIN board holder MAIN board shield cover EMC spring between MAIN board and PC card Plastic cover Insulation sheet for Analog board ECG shield sheet SpO shield sheet small for UR 3612 SpO shield sheet small for UR 3712 SpO shield sheet large for UR 3612 Power supply unit insulation cover Edge cover of chassis Rear chassis Equipotential grounding terminal Pump holder Sponge Valve holder I NIBP main tube M Silicon tube Plastic elbow tube NIBP input socket 1 Should be replaced with a new one when NIBP pump is replaced 8 2 ERE NL KACRIAG EK AC OI BSM 2301A Zl 3X 2 AJL BSM 2301C Zl 3X 2 JL BSM 2301K Zt X 2 AJL BSM 2303C I AJL BSM 2303K 2 3X NL BSM 2304A Zl i 2 AJL NIHON KOHDEN 7 L F JH krv2nn zz TILAAT A IK v ER I Rs FN AVANT AV yty ER FFAS A LCD 4 dun AE E LCDY VBS el LCDI FRHifilliszRJL F LCD LCD2y V B T An 4 LCD LCDY vfi 3 Aral NV 24y Fh F FRSA BEATE L JVv FAR PCMCIA Bn 4 fats 237 N 7182 dl FAR RY b Ly L 2 US 2 L A Ski T RI P
175. r mode begins and the patient monitoring display appears If a serious error which does not allow the host CPU to execute the system program any more is detected the screen changes to the following DIAGNOSTIC CHECK screen and the error mesage is displayed XXX DIAGNOSTIC CHECK XXX POHER OM CHECK RESULT OK OPTION NO MS BSH 2300 VERSION CPU PROGRAM LANGUAGE fer 00 24 Ver 00 24 SUM DCC70B02 SUM RERBDERF DPU BOOT Ver 00 24 Ver 01 01 SUM 30BA3FCC SUM 3CDES440 U Da Ver 00 24 SUM D5E95065 SYSTEM MAKUVAL CHECK SYSTEM SETUP INITIALIZE HISTORY MONITOR HODE If a minor error such as Backup data is damaged is detected the monitor mode begins and the patient monitoring display appears after the power on self check The detected error is stored in the error history table Refer to Calling Up the Error History section 3 2 Service Manual BSM 2300 Service Manual BSM 2300 3 DIAGNOSTIC CHECK The MAIN board and Analog board are checked as follows e CPU ROM CHECK Checks the system ROM for the host CPU on the MAIN board The MAIN board will be faulty if an error which causes a screen problem Is found CPU RAM CHECK Checks the system RAM for the host CPU and patient data storage The MAIN board will be faulty if an error which causes a screen problem is found DPU ROM CHECK Checks the ROM for the CPU of the DPU on the MAIN board The MAIN board will be faulty if an error w
176. r signal Signal Description Red output Green output Blue output Vertical synchronous signal return Red output return Green output return Blue output return Horizontal synchronous signal return Horizontal synchronous signal Vertical synchronous signal 9 CONNECTOR PIN ASSIGNMENT 9 25 9 CONNECTOR PIN ASSIGNMENT This page is intentionally left blank 9 26 Service Manual BSM 2300 po Manufacturer NIHON KOHDEN CORPORATION 1 31 4 Nishiochiai Shinjuku ku Tokyo 161 8560 Japan Phone 81 3 5996 8036 Fax 81 3 5996 8100 PRIS PEDAL BB 1695 MEAS 3008 Eig 021 6469 9016 f A 021 6486 7218 AC AIS ILA PARK ad 3 HBAS 601 Dr 010 6804 9531 FE 010 6804 7366 NE O ADADA 371 375 tech 1809 EBj 020 8761 2726 ft 020 8761 1135 RIB AEG GN El KEIER Aid 024 2383 2557 I 024 2340 2565 MERE ub MER ASPA E 17 S LIAE 420 EBj 028 8779 6330 f 028 8773 6236 FOX AS EVO RWAIS 1087 BRAS 413 EBj 027 8360 2368 f 027 8360 2478 NIHON KOHDEN AMERICA ING 90 Icon Street Foothill Ranch CA 92610 USA Phone 1 949 580 1555 Fax 1 949 580 1550 European Representative NIHON KOHDEN EUROPE GmbH Raiffeisenstrasse 10 D 61191 Rosbach Germany Phone 49 6003 827 0 Fax 49 6003 827 599 NIHON KOHDEN ITALIA S r l Via San Tomaso 78 24121 Bergamo Italy Phone 39 035 219 543 Fax 39 035 232 546 NIHON KOHDEN IBERICA S L C Uli
177. ray An MC68SEC000 is used as the host CPU The clock frequency is 20 MHz The host CPU controls the dedicated gate array ASIC Application Specific Integrated Circuit ACORN which controls the hard keys touch screen alarm indicator QRS synchronous sound alarm sound real time clock PCMCIA card interface DPU communication and RS 232C communication Service Manual BSM 2300 4 1 4 BOARD UNIT DESCRIPTION CLK 4 MHz 4 2 The large capacity capacitor Super capacitor allows the 1 MB system RAM SRAM to back up the trendgraph vital sign list arrhythmia recall monitoring conditions for each parameter and alarm settings for 30 minutes or more after the power is turned off When the instrument is turned on after more than 30 minutes power off is past the host CPU regards the backup data as damaged and initializes them if the Super capacitor is discharged too much to back up the various data The 32 KB backup RAM non volatile memory permanently keeps the storage of the system setup conditions and alarm master settings after the power is turned off The lithium battery allows the real time clock IC to update the date and time while the power is turned off The lifetime of the lithium battery is approx 6 years or more The PCMCIA card interface selects the bank at every 512 KB and can select the attribute memory or common memory from the PCMCIA card The host CPU periodically reads the status of all the hard keys on
178. rd address bit 6 Memory card address bit 4 Memory card address bit 2 Digital ground Memory card data bit 1 Memory card write protect Digital ground Memory card data bit 11 Memory card data bit 13 Memory card data bit 15 Not connected Not connected Memory card address bit 18 Memory bank select bit 1 5 V supply voltage Memory bank select bit 3 Memory bank select bit 5 Not connected Not connected Attribute common memory select XREG Memory card battery status bit I XMCBATI Memory card data bit 9 MEMD9 Memory card detect bit 2 XMCD2 9 4 Memory card data bit 3 Memory card data bit 5 Memory card data bit 7 Memory card address bit 10 Memory card address bit 11 Memory card address bit 8 Memory card address bit 14 Memory card busy 5 V supply voltage Memory card address bit 15 Memory card address bit 7 Memory card address bit 5 Memory card address bit 3 Memory card address bit I Memory card data bit 0 Memory card data bit 2 Digital ground Memory card detect bit I Memory card data bit 12 Memory card data bit 14 Memory card chip enable 2 Not connected Memory card address bit 17 Memory bank select bit 0 Memory bank select bit 2 5 V supply voltage Memory bank select bit 4 Memory bank select bit 6 Memory card reset Not connected Memory card battery status bit 2 Memory card data bit 8 Memory card data bit 10 Digital ground Service Manual BSM 2300 CN0701 for touch screen Pin Number Signal Name V
179. rd key is pressed Faulty connection between the REC Power board and recorder unit Faulty paper drive motor of the recorder unit Check the connection Check the connection and replace the connection cable with a new one if necessary Replace the micro switch Refer to Section 8 Replaceable Parts List Faulty REC Power board Replace the REC Power board Faulty REC MAIN board Replace the REC MAIN board Check the connection and replace the connection cable with a new one if necessary Replace the paper detector Refer to Section 8 Replaceable Parts List Faulty REC Power board Replace the REC Power board Faulty REC MAIN board Replace the REC MAIN board Check the connection and replace the connection cable with a new one if necessary Replace the motor Refer to Section 8 Replaceable Parts List Faulty REC Power board Replace the REC Power board Faulty REC MAIN board Replace the REC MAIN board Wrong position of the recording paper in the magazine Load the paper into the magazine correctly Paper other than Nihon Kohden is used Detector for the black square on the paper is dirty Work up is adhered to the thermal array head Use the Nihon Kohden paper Clean the detector Clean the head Paper other than Nihon Kohden is used Use the Nihon Kohden paper Platen roller has a damage or is deformed Replace the roller becomes a lower voltage on the recorded data
180. re to Start and Exit the ROM Check Program 1 To select the ROM Check touch the ROM CHECK key The instrument automatically starts the ROM check 2 The instrument repeats the check and increments the pass count until you touch the RETURN key 3 If the check program finds an error it displays the type of ROM PROGRAM or IMAGE in the above area 4 Toreturn to the MANUAL CHECK MENU screen at any time touch the RETURN key Service Manual BSM 2300 Service Manual BSM 2300 3 DIAGNOSTIC CHECK RAM Check XXX CPU RAM CHECK xxx CHECKING PATTERN 01 PASS COUNT 0001 ADDRESS RITE READ ADDRESS WRITE READ STOP This item checks the RAM on the MAIN board by comparing the test patterns first written to the RAM with the test patterns later read from the RAM This test uses 15 test patterns and assigns a count number when a comparison of the 15 test patterns is successfully completed The comparison of all the test patterns in this check takes about 4 minutes This check deletes the patient data If an error message appears the MAIN board will be faulty Procedure to Start Stop and Exit the RAM Check Program 1 To select the RAM Check touch the RAM CHECK key The instrument automatically starts the RAM check 2 The instrument repeats the check and increments the pass count until the operator touches the RETURN key 3 If the check program finds an error it displays the address write d
181. rillation proof type CF applied part does not exceed 0 01 mArms under normal condition and 0 05 mArms under each single fault condition Check that the patient leakage current to type BF or defibrillation proof type BF applied part does not exceed 0 1 mArms under normal condition and 0 5 mArms under each single fault condition Check that the patient leakage current to type CF or defibrillation proof type CF applied part does not exceed 0 05 mArms under each single fault condition Check that the patient leakage current to type BF or defibrillation proof type BF applied part does not exceed 5 mArms under each single fault condition Check that the instrument has the following withstand voltages e A al 1500 V AC for one minute e A f 1500 V AC for one minute e B a 4000 V AC for one minute e B d 1500 V AC for one minute 6 MAINTENANCE Remove the cause if the impedance exceeds 0 1 Q Remove the cause if the earth leakage current exceeds one of the maximum values Remove the cause if the enclosure leakage current exceeds one of the maximum values Remove the cause if the patient leakage current exceeds one of the maximum values Remove the cause 1f the instrument does not have all the withstand voltages Check that the line voltage is within the range of Connection to other equipment Vibration or resonant sound Screws Option check Installation condition check Service Manual BSM 2300 nominal
182. s your attention during service The LCD unit has two cold cathode tubes to backlight the LCD The high voltage for the two tubes is supplied from the inverter board It takes approx 50 000 hours about 5 years and 9 months for the brightness to decrease from maximum to half brightness lifetime of the backlight if the two tubes at the maximum brightness work in continuous operation Therefore the tube may need to be replaced after 50 000 hours of use 4 11 4 BOARD UNIT DESCRIPTION Recorder Module Option The recorder module has the REC MAIN board and recorder unit as shown below REC MAIN Board The REC MAIN board has the CPU 20 MHz MC68SEC000 1 MB system ROM for program storage 512 KB system RAM for the CPU working area and a dedicated recorder control ASIC RACOON The CPU on this board communicates with the host CPU on the MAIN board through the RACOON The RACOON controlled by the CPU on this board controls all the recording functions such as the paper drive motor control and thermal array head control When the instrument is upgraded the bus on this board is directly connected to the main bus on the MAIN board and the I MB system ROM takes a part of the memory for the upgrade program The host CPU replaces the previous program in the I MB system ROM with the new one MAIN Board A REC MAIN Board Host CPU CPU Main bus RACOON Local bus I O lt M lt gt Data flow in normal operation S M
183. ses 75A E 28043 Madrid Spain Phone 34 917 161 080 Fax 34 913 004 676 NIHON KOHDEN SINGAPORE PTE LTD 1 Maritime Square 10 34 Harbourfront Centre Singapore 099253 Phone 65 6376 2210 Fax 65 6376 2264 The model and serial number of your instrument are identified on the rear or bottom of the unit Write the model and serial number in the spaces provided below Whenever you call your distributor concerning this instrument mention these two pieces of information for quick and accurate service Model Your Distributor Serial number PRINTED IN JAPAN
184. smoothly with no twinkling Check that the backlight goes off or has no twinkling when the brightness is set to minimum If the brightness does not change smoothly or the light goes off in the middle of the brightness bar on the screen it indicates the end of life of the backlight or faulty inverter board In that case replace the Inverter board or fluorescent tube backlight lamp with a new one Refer to Section 5 Disassembly and Assembly Procedure to Check the Brightness of the LCD Backlight 1 To select the Backlight Check touch the BACK LIGHT CHECK key To control the brightness touch the bargraph or the T or L key to increase or decrease the brightness 2 Toreturn to the MANUAL CHECK MENU screen at any time touch the RETURN key Service Manual BSM 2300 3 DIAGNOSTIC CHECK CRTC Check Menu Items The CRTC check menu items check the function of the display control block including the LCD unit These check results cannot be recognized by the host CPU so you must judge the result If an error is found the MAIN board will be faulty GRAPHIC MEMORY Check and CHARACTER MEMORY Check These items check the Graphic RAM and Character RAM on the MAIN board for the waveform display or character display by the write read check technique If an error is detected the error bank address and data are displayed as a table xxx CHARACTER MEMORY CHECK XXX XXX GRAPHIC MEMORY CHECK XXX HECKING PATTER
185. sponding part If the unspecified sensor or transducer is used replace it with the specified one 6 5 6 MAINTENANCE Power ltem Check Procedure Aetion Power cord Check that the power cord does not have any If the power cord has a malfunction damage poor continuity heat sound or smell replace it with a new one while bending each part of the power cord Ground lead Check that the ground lead has no damage and If the ground lead has a malfunction no poor continuity while bending each part of replace it with a new one the ground lead Fuse Check that the specified fuses are used and not If the fuse is blown replace it with a new blown one after removing the cause Power indicator and Check that the power indicators such as the Remove the cause if there is anything supply voltage check power lamp AC power lamp and battery power wrong lamp works properly and the correct voltages are output from the power supply unit Data Backup Hem gt Check Procedure Aion O O System Setup data Check that the System Setup data is The EEPROM which stores the System Setup backup stored for a long time after the power is data is faulty if the data is not stored so long turned off time Alarm setting data Check that the setting data is correctly If the setting data disappears within 30 minutes backup stored after turning off the instrument after the power off replace the super capacitor for
186. t which has noise source The ground wire of the power cord has a poor Check which part is not grounded and contact between the instrument and ground remove the cause facility or the ground facility is poor FILTERS on the ECG window is set to OFF Set the FILTERS to on Faulty Analog board Replace the Analog board The time constant setting Faulty connection between the MAIN board Check the connection cannot be changed and Analog board Faulty Analog board Replace the Analog board Pacing spike is not PACING DETECTION on the ECG window Set the DETECTION to ON detected is set to OFF Faulty Analog board Replace the Analog board The ECG waveform is Faulty connection between the MAIN board Check the connection displayed with a different and Analog board sensitivity setting Monitoring lead setting Faulty connection between the MAIN board cannot be changed and Analog board Faulty Analog board Replace the Analog board Electrode electrode lead ECG connection Replace the accessory with a new one cord or patient cable is faulty if the ECG waveform on the screen has something Respiration waveform is not displayed wrong When RESP OFF message is displayed on Set the IMP RESP MEASURE to ON the screen IMP RESP MEASURE on the RESP window is set to OFF Faulty Analog board Replace the Analog board Respiration rate is wrong The respiration waveform amplitude is too Change the sensitivi
187. that the direction of the label on the battery pack is correct 6 Arrange the cable in the space at the right side of the battery pack as shown below so that 1t does not come out 7 Fasten the battery box to the instrument with the 3 screws 5 30 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY When the Recorder Module is Attached to the CAUTION Instrument e Turn off the instrument and disconnect the power cord from the instrument before beginning the procedure e Before placing the instrument on atable if its surface is dirty hard or rough cover the table with a clean soft and smooth material to avoid making the screen dirty and damaging the screen 1 Place the Instrument face down on the table as shown below _ S E v Binding head screws Pan head screws with washer 2 Remove the 2 pan head screws with washer and 2 binding head screws from the rear and bottom of the recorder module Remove the bottom plate from the recorder module Insulation sheet Bottom plate 3 Remove the half transparent insulation sheet from the recorder module 4 Gently pull the battery pack outward until the cable of the battery pack can be disconnected from the battery cable Service Manual BSM 2300 5 31 5 DISASSEMBLY AND ASSEMBLY 5 Disconnect the battery pack from the battery cable and remove the battery pack from t
188. the board is too high e special tool or high degree of repair skill is required to repair the multilayer boards with surface mounted electrical devices Disassemble the instrument or replace a board or unit in an environment where the instrument is protected against static electricity As background knowledge for repair pay special attention to the following e You can reduce the repair time by considering the problem before starting repair e You can clarify the source of most of the troubles using the information from the diagnostic check function of the instrument Refer to Diagnostic Check of this manual Refer to Replaceable Parts List of this manual for the service parts for technical service that we provide NOTE When ordering parts or accessories from your Nihon Kohden representative please quote the NK code number and part name which Is listed in this service manual and the name or model of the unit in which the required part is located This will help us to promptly attend to your needs Always use parts and accessories recommended or supplied by Nihon Kohden Corporation to assure maximum performance from your instrument Service Manual BSM 2300 Patient Safety Checks Service Manual BSM 2300 1 GENERAL Periodic maintenance procedures and diagnostic check procedures are provided m this manual to ensure that the instrument is operating In accordance with its design and production specifications To ver
189. the instrument through the ACORN and executes the process according to the key status The touch screen is controlled by a dedicated microcontroller When you touch a point on the screen the microcontroller sends the touch position data to the host CPU through the ACORN with serial data communication The audio circuit uses an FM sound generator sound source IC so that the QRS sound alarm sound and key sound are generated at the same time The sound volume control data as well as the tone and pitch data is written to the FM sound generator by the host CPU The audio output signal from the FM sound generator is amplified by the audio power amplifier so that the speaker sounds Audio signal Amplified audio signal wer FM sound generator amp Sound volume tone and pitch data Host CPU b Display control block The display control block consists of the dedicated graphic ASIC IBIS for entire display control 8 MB DRAM for display of waveform and graphic data 512 KB high speed SRAM for display of alphanumeric data and display interfaces for the LCD and an external RGB monitor When the IBIS receives a display control command from the host CPU the IBIS accesses these memories to get the display data and arranges the display data for RGB outputs There are two RGB outputs One is RGB output for the LCD The other one is RGB output for a locally available RGB monitor Service Manual BSM 2300 4 BOARD UNIT DESCRIPTION Host
190. the position where you touched When you touch the screen and move your finger or touch pen the target mark traces your position If the position of the target mark and the touched position do not match calibrate the touch screen If you execute the touch key calibration and the position is still Incorrect the MAIN board or touch screen wull be faulty Procedure to Start the Touch Key Check or to Exit the Touch Key Check Program 1 To check the touch key touch the TOUCH KEY CHECK key 2 On the above screen confirm that the touched position matches the target mark on the screen 3 To return to the DIAGNOSTIC CHECK screen press the HOME key 3 13 3 DIAGNOSTIC CHECK Sound Check XXX SOUND CHECK xxx IRS BEEP LOH TONE IRS BEEP VARIABLE KEY CLICK E ass LE o m C wo wo wo LG LG LG ce c rm d bo c LG Lk oo n sch SOUND STOP RETURN This item checks the 7 types of sounds generated by the instrument This check can also be used to check the alarm circuit and the QRS beep circuit Check the quality of sound loudness noise Incorrect sound etc If there is no sound or distorted sound the speaker or MAIN board will be faulty Procedure to Check the Sound 1 To check the sound touch the SOUND CHECK key 2 Touch a sound key such as ALARM SOUNDI ALARM SOUND2 ALARM SOUND3 QRS BEEP HIGH TONE Q
191. tion Check the cuff size and the wrapping on the screen is wrong of the cuff wrapped around the patient s condition Replace the cuff with a new one arm is not correct I f necessary Faulty NIBP board Replace the NIBP board with a new one The cuff does not inflate If a message is displayed on the screen Refer to ERROR MESSAGES AND when you press the NIBP follow the message to solve the problem TROUBLESHOOTING section in the START STOP key operator s manual The Operation board or MAIN board is Replace the faulty board or cable with a faulty or the cable between the Operation new one Tightly connect the cable and MAIN boards or between the MAIN between the two boards and NIBP boards is disconnected or faulty Faulty NIBP board Replace the NIBP board with a new one Service Manual BSM 2300 2d 2 IROUBLESHOOTING Temperature Problems The temperature value is Faulty temperature probe Replace the probe with a new one not displayed Faulty Analog board Replace the Analog board with a new one The temperature value is Faulty temperature probe Replace the probe with a new one eee Faulty Analog board Replace the Analog board with a new one 2 8 Service Manual BSM 2300 2 IROUBLESHOOTING Other Vital Sign Input Problems There is no change on the Faulty connection cord Replace the connection cord with a new screen when you connect one the connection cord to Faulty Analog board Replace the Analog
192. tion screen works correctly Wrong Display Wem Check Procedure Agen Crack scratch or dirt Check that there is no crack scratch or dirt If there is a crack or scratch on the screen on the touch screen replace it with a new one If the screen is dirty clean it with a soft cloth moistened with water Display control Check that the control settings such as If one of the control settings has no function settings brightness work smoothly remove the cause Minimum brightness Check that the waveforms and data do not Remove the cause if the waveforms or data control disappear when the brightness is set to disappear from the screen minimum on the screen CRTC check Check that there is no error on the screen Remove the cause if an error occurs when performing the CRTC checks on the Manual Check Menu screen Recorder m ChekPocdue Adon Waveform and character Check that the waveform and character If the waveform or character data is not data on paper data on the paper are clear clear clean the thermal array head Refer to the operator s manual Recording paper Check that Nihon Kohden recording paper If unspecified paper is used replace it with is used Nihon Kohden specified paper paper speed without snaking abnormally generate abnormal sound sound correctly does not work Recorder check in WS Check that there is no error on the paper Replace the MAIN board or other Check mode wh
193. trol block The system control block has the host CPU which controls the peripherals to receive the operation key status and display the waveforms and numeric data The program is stored in the 2 MB system ROM flash EEPROM for host CPU 128 KB Boot ROM in the system control block and 1 MB system ROM flash EEPROM for CPU on the REC MAIN board of the optional recorder module When the instrument is turned on the host CPU executes the program in the Boot ROM According to the program the host CPU checks if the program card is inserted into the slot on the MAIN board When the host CPU recognizes that the correct program card is inserted the host CPU writes the program from the card to each system ROM This is called Boot Therefore this Boot system allows you to upgrade the instrument without opening it On the other hand when the program card is not inserted into the slot the host CPU switches from the Boot ROM to the system ROM on the MAIN board and executes the system program lt When the program card is inserted gt lt When the program card is not inserted gt Host CPU Host CPU System ROM Boot ROM Boot ROM System ROM Program card 5 O te ER o 3 O eO FS Q To the other system ROMs a System control block The system control block consists of the host CPU Boot ROM system ROM system RAM backup RAM real time clock PCMCIA card interface touch screen controller audio circuit and main gate ar
194. ty so that the small to count the respiration rate amplitude is larger than 10 mm on the screen ECG waveform and Faulty Analog board Replace the Analog board respiration waveform are mixed Respiration waveform is Faulty Analog board Replace the Analog board saturated and does not return to the baseline position but the sensitivity is not too high Service Manual BSM 2300 2 5 2 IROUBLESHOOTING SpO Problems Problem PossibleCauselGritea Acton message is displayed one Faulty SpO2 connection cord a new one There is no change on the Temperature and IBP can screen when you connect be measured new one the SpO2 connection cord Temperature and IBP Faulty Analog board or Replace the faulty board with a to the SpO2 socket on the cannot be measured MAIN board new one instrument DETECTING PULSE The probe attachment site is not changed or the Change the probe site or replace message is displayed probe is not replaced with a new one the probe with a new one The probe attachment site Faulty Analog board Replace the Analog board with a is changed or replaced new one with a new one message is displayed probe is not replaced with a new one the probe with a new one The probe attachment site Faulty Analog board Replace the Analog board with a is changed or replaced new one with a new one 2 6 Service Manual BSM 2300 2 IROUBLESHOOTING Non invasive Blood Pressure Proble
195. uematic component such as pump or valve with a new one 3 Safety Check This check program has the following two check items 3 1 OVER PRESS1 Checking the Safety Operation I Connect the manometer and hand bulb pump to the 700 mL or 72 mL dummy cuff using a Y branch connector and connect the dummy cuff to the instrument with the 3 5 m long adult or neonatal air hose as shown below The adult air hose must be used with the 700 mL dummy cuff and neonatal air hose must be used with the 72 mL dummy cuff ER eg GE ALIA Ei N U e Y branch D CF D D 2 A mean OE umu Gazi sam t A DS me ro Pu HE Touch the SELECTT key or SELECTA key to select the 3 1 OVER PRESS1 item Touch the START key to start the check program Immediately increase the pressure inside the dummy cuff and manometer with the hand bulb pump until the pressure reaches to 300 mmHg for adult or 150 mmHg for neonate After getting the specified pressure slowly increase the pressure with the hand bulb pump and check that the pressure is released within the range of 300 to 330 mmHg for adult or 150 to 165 mmHg for neonate by the safety valve 3 31 3 DIAGNOSTIC CHECK 3 2 OVER PRESS2 Checking the Safety Operation L 3 32 Connect the manometer and hand bulb pump to the 700 mL or 72 mL dummy cuff using a Y branch connector and connect the dummy cu
196. upply voltage for backlight Digital ground Digital ground Backlight ON OFF control Brightness control Not connected Not connected CN2 for backlight Pin Number Signal Name Signal Description Low voltage output for backlight cold cathode tube Not connected Not connected Not connected High voltage output for backlight cold cathode tube Not connected High voltage output for backlight cold cathode tube 9 16 Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT Inverter IF Board for BSM 2351 2353 2354 only CN101 for inverter board e Signal Name Signal Description Low voltage output for backlight cold cathode tube Not connected Not connected Not connected High voltage output for backlight cold cathode tube Not connected High voltage output for backlight cold cathode tube CN102 and CN103 for backlight lamp Pin No Signal Name Signal Description 1 Vout Hi High voltage output for backlight cold cathode tube 2 Vout Lo Low voltage output for backlight cold cathode tube Service Manual BSM 2300 9 17 9 CONNECTOR PIN ASSIGNMENT LCD IF Board for BSM 2351 2353 2354 only CN101 for MAIN board Pin No Signal Name Signal Description Digital ground 3 3 V supply voltage 3 3 V supply voltage Digital ground LCD enable signal LCD blue 5 LCD blue 4 LCD blue 3 LCD blue 2 LCD blue 1 LCD blue 0 vo I QN tA A Q XN n LA ra Digital ground
197. ure the pressure The blinking stops The instrument displays the pressure value after the valve 1 opens for 50 milliseconds Check that the pressure difference between the two pressures is within the range of 7 to 23 mmHg If the pressure difference is out of the range and ERROR message appears and the NIBP board or pneumatic component such as pump valve or tube is faulty 6 2 V2 250 mmHg Checking the Valve 2 at the High Pressure 1 Connect the 72 mL dummy cuff and hand bulb pump to the instrument with the 3 5 m long adult child air hose as shown below Service Manual BSM 2300 3 35 3 DIAGNOSTIC CHECK 3 36 Touch the SELECTT key or SELECTV key to select the 6 2 V2 250mmHg item Touch the START key to start the check program The START key changes to MEASURE START key and blinks Immediately increase the pressure inside the dummy cuff with the hand bulb pump up to about 250 mmHg and pinch the hose of the hand bulb pump When the pressure becomes stable touch the blinking MEASURE START key to measure the pressure The blinking stops The instrument displays the pressure value after the valve 2 opens for 50 milliseconds Check that the pressure difference between the two pressures is within the range of 5 to 15 mmHg If the pressure difference is out of the range an ERROR message appears and the NIBP board or pneumatic component such as pump valve or tube is faulty
198. ve the option to replace or keep the current system program If the program card does not contain a system program the instrument continues the boot up process In the system software upgrading or language changing process the instrument first deletes the old system software or language stored in its system ROM Then it checks whether the data in the system ROM is completely deleted When the data is completely deleted it copies the new version of the system program or language information from the program card to the system ROM and then checks the copy process After the data is successfully copied the self check program starts to check the instrument Procedure 1 Write down the System Setup settings and other monitoring settings of the instrument 2 Insert the program card into the PCMCIA card slot on the right side panel of the instrument 3 Turn on the instrument The instrument performs the upgrading process and self check programs The DIAGNOSTIC CHECK screen appears 4 Touch and hold the SYSTEM INITIALIZE key for 2 seconds to initialize the instrument until the PUSH 3 SECONDS message disappears from the screen When initializing is finished the DIAGNOSTIC CHECK screen appears 5 Confirm that the new system software version number appears Turn off the instrument Turn on the instrument again and check that the model number on the power on self check screen is correct 1 30 Service Manual BSM 2300 1 GENERA
199. ware and Changing Language on the Screen 1 30 giescoli u M 1 30 BIOK AU G II NR E RID T 1 31 PENN 1 31 SE ATL u susayaausqumapaaunaqukaukanqunusqwawsupanatukaupqawiaiwakuuduimi uk eee 1 32 WS 231P Recorder Module a nnns 1 33 FIVE 1 34 PFG jhuauvuvrv4r4v457 4744m Ever cotU EIS testi Ls PEDPL EPUM 1 35 Troubleshooting E 2C 1 ET E 2 1 P owersitelaled Ee e E EE 2 2 Display ProDIOMS va 2 3 Sound 20 6 MeL I SN TT EE eae ee 2 4 Key Operation Problems E 2 4 ECG and Respiration by Impedance Method Problems 2 5 Service Manual BSM 2300 CONTENTS EE Ner EE TE ukpa qi 2 6 Non invasive Blood Pressure Problems 2 7 ETNE 2 8 Other Vital Sign Input Problems Lesser enes 2 9 PDT eege 2 10 Recording ProbDlemis u EEE EE iina 2 11 QI 231P Interface Problems ee Ee Ee 2 13 QI 236P Interface ele EE 2 13 Section 3 Diagnostic Check 3C 1 Iesel e e W 3 1 FN TALEN 3 2 Calling Up the DIAGNOSTIC CHECK Gcreen nennen nennen nennen 3 4 Calling Up the Error History E 3 5 eges EE EN E a 3 5 SVIE EOTS EEE EEE EE 3 6 era ine SYSTEM BE 3 7 Performing Manual Check and Other Checks

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