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- Frank`s Hospital Workshop

1. ECG 00 NI2 ECG R EDD O IITITIUN18 2102 0006 L10 TELETETEETETITTT D U 0 D E mmm P22D O0 O 0 TDS V05B 782 9 1 0 l TDS VOSB 781 0 5 g 4L22 LOOOO F 3144 85 NIBP 0 0 N NIBP R F2804 403 NIBP H PHDR 34VS W250 DL F 950 73 B85 B85 218 002 2A AC ITITBEHGI 2 CORCOM O O SNP 9568 MT Service Manual BSM 2300 8 REPLACEABLE PARTS LIST BSM 2300 SORS GS Q N OE SN V 2 Service Manual BSM 2300 A BSM 2304 only 8 REPLACEABLE PARTS LIST AG 26 27 28 Y 42 45 45 46 46 46 47 48 49 50 51 52 53 54 55 56 27 58 AH 60 AF 61 62 63 64 70 71 72 BSM 2301 has no AH 60 and AF 8 6 NK Code No 6112 014785B 613169B 613178A 628919A 613187A 458612 6142 002705B 551734 613267B 6113 037125 6112 014776C 6112 016925A 6123 014523 6123 012971 6123 014559 6111 006305A 315357A 6111 006332C 6114 118054 6114 115663A 518272 6112 014767C 611893 6111 006297C
2. OU 1 25 M3 SF0 61T 250A W50 AC 5265 04 O00 spo2 150 ACO OOO 5265 04 42232 3 W200 O D 5239 06 W130 EH 11U HOUUUU 50 8B 04D DF1 1 4DS 2C W100 OU NK 1CH NK 2CH NL O PIG D uude ITI TM166 8 TM 184 9083 HuuiliiiitLi 0000 Lie ANALOG IBP 0 0 Service Manual BSM 2300 8 REPLACEABLE PARTS LIST BSM 2300 BSM 2304 only Spera ans s ax m a N mey N E B J S WA by 6 Service Manual BSM 2300 8 7 8 REPLACEABLE PARTS LIST Optional Recorder Module WS 231P N 00 10 tA WN d Un U N 8 8 NK Code No UR 3615 UR 3616 UR 3641 Not available UR 3640 Not available 526931 613204A 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 Qty ee ee ne mk e e e N e A Lc Description REC MAIN board REC Key amp Power Boards REC Power board REC Key board Cable between the REC Power and
3. LCDO UL UN18 2102 002 L6 LCD LCDI TITI ASU OPT 123 00 W10t2 IOU UN18 2102 0013 L17 UU UN18 2101 0008 L12 FLCV 08 51021 0800 PHDR 10VS W120 Service Manual BSM 2300 8 REPLACEABLE PARTS LIST i X s WOW Vy ex D A AM uA 4 S G As 8 BSM 2300 BSM 2304 only Service Manual BSM 2300 8 REPLACEABLE PARTS LIST 17 18 19 20 21 22 23 23 24 73 31 32 33 34 35 36 37 38 39 40 41 AC 4 8 4 NK Code No 613258A UR 3610 6113 039943B 6112 014669A 6114 107208 613828A UR 3612 UR 3712 515756C 6111 006314C 6113 041129B 6190 023094 6113 042182 6114 128836A 6190 023111 127925 UR 3643 UR 3614 Not available UR 3642 Not available 532149 611385A 611394A 6113 023844D 6114 073618 6114 114637C 6114 114566 6114 117777 531337 515542B 6114 114655A 6114 115137 531346 531355 6113 039854A 6114 114646C 613249A 104522 580676 550013C Qty Description k j Se Se Lm m e e N um Backlight lamp cable MAIN board
4. 1 12 Safety Standard ice OE BE HE cr ee nied 1 12 COMPOSING eh AR EE 1 13 Panel Descriptloris uuu u E cet u Su ONES 1 14 Service Manual BSM 2300 1C 1 Front Panel isi ccoecctes lt ccahceecesscenseccconssssceeseedvscosgcecessnet caseiessdensessaeesceeesssnomesedeeebsneeccsetees 1 14 Lett Side Panel uy u ister neces aides ira teed ediay naan eee 1 16 BSM 2301A K and BSM 23093K sese 1 16 BSM 2304A 1 17 Right Side Panel u M 1 18 Storage and Transport ssssssssssssssssesene eene nennen nennen nennt nennen nnns 1 19 Storage me M 1 19 Tran pO uuu yaa EU 1 19 Hard Keys and Soft Keys a 1 20 aia m Hn 1 20 sg c d 1 20 Upgrading the System Software and Changing Language on the Screen 1 21 giietei D 1 21 Block DAG MANN cscs uu EE EET EID DOE T LL EE 1 22 BSM 2300 u 1 22 WS 231P Recorder Mod le sssrinin anaa a asai 1 23 QI 231P Intetface ee rome ee rna ten aee antea ERA TEER sep SARRE xac Mina 1 24 QI 236P Interface ucc Gente kuq qana e Duc rns ei Pas E 1 25 1C2 Service Manual BSM 2300 Introduction Service Manual BSM 2300 1 GENERAL
5. I 4 1 Analog Board uuu EM 4 5 ECG BESPIBIOCK nni nein ee ihe t ei ine e ete isse ev etudes 4 5 SpO2 and MP Blocks ssssssssssssseeeeee eene eene nennen entres entren nnns 4 6 POD BOCK qe E 4 6 MIP BOCK qe 4 7 IBP B0G 4 cM DR 4 8 NIBP gs e int oes 4 9 Power Supply BOCK CERE 4 10 EepaUne 4 11 Recorder Module Option uu uya a uama aaasamausqhu ashuan ea etus ipee reu bt guide aa Fox Ease oaa 4 12 REC MAIN Boat C 4 12 Recorder Ui m 4 13 Interface Option Ql 28 TP ipte ue Rte ee eed cia dde eco eu daa Ba eats 4 14 ECG QRS Synch or Alarm Trigger Signal Output Block 4 15 Serial Data Communication Relay Block 4 15 RGB H lay BlOCK eere MERE 4 15 Interface Option QI 236P reete hieme a rain epa Loin aka aiaia 4 16 ECG and QRS Synch Trigger Signal Output Block 4 17 naB Belay BIOGR an unum ua na samai aasan ashqa sasa tret dtu freut cee 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 control block The system control block has the host CPU which controls the peripherals to receive the operation key status and dis
6. Signal Description Signal Name Pin Number Signal Name Signal Description Motor control VRO 1A 1B Phase 1 Motor phase control Motor control VR 1 2A 2B Phase 0 Motor phase control Paper mark sensor enable SNSON 3A 3B XPEMP Paper detected signal signal Mark detected signal XPMARK 4A 4B XMOPEN Magazine condition detected signal Record request signal PRTREQ 5A 5B 24VOK 24 V status Digital ground E2 6A 6B E2 Digital ground 3 3 V supply voltage 3 3V 7A 7B 5V 5 V supply voltage 15 V supply voltage 15V 8A 8B 15V 15 V supply voltage 15 V supply voltage 15V 9A 9B 15V 15 V supply voltage Digital ground E2 10A 10B E2 Digital ground Digital ground E2 11A 11B E2 Digital ground Thermal array head data XTHEN 12A 12B XTHSTB Thermal array head data strobe enable signal signal Thermal array head serial THCLK 13A 13B THDAT Thermal array head serial data data transfer clock Record key status KEY3 14A 14B E2 Digital ground Out of paper LED indicator PAP LED 15A 15B THRM Thermistor data Service Manual BSM 2300 9 17 9 CONNECTOR PIN ASSIGNMENT REC Key Board CN201 for CN104 on REC Power board Pin Number Signal Name Signal Description 1 5V 5 V supply voltage 2 PAP_LED Out of paper LED 3 KEY_3 Record key 4 E2 Digital ground 5 E2 Digital ground REC Power Board CN101 for recorder unit Pin Number Signal Name Signal Description 1 MAI Motor control signal 2 MBI Mo
7. 1 6 Alu u uu t u ce asume MO T EM E 1 6 ec M yi apaq 1 6 Respiration Transthoracic impedance pneumography 1 7 SpO2 on BSM 2301A K and BSM 2303K sse 1 8 SpO2 oniBSMs2304A uum ua auqa org ier ataq to e ptr ia one pigeat ede cds 1 8 Non Invasive Blood pressure NIBP a 1 8 TEMPOraAlUTE qe 1 9 Multi parameter Amplifier 1 9 Invasive Blood Pressure BP ccccccccessscceeeteeeeeeeeaeeeeeeesaeseceeeeeeneeeeeeaes 1 9 Respiration Thermistor method ssssssssseeeeeeenenen 1 9 Expired Carbon Dioxide Tension CO2 1 10 Trendgraphi u 1 10 Vital Sigs LEIS t e 1 10 Recorder Module optional WS 231P 1 10 Interface optional QI 231B eee me cete tannin eee re cs 1 11 Interface optional QI 236P nn 1 11 External orti 1 11 Power Requirement cantent a aE 1 11 CIO eri erel rer 1 12 iig utin e 1 12 Dimensions and Weight approximate 1 12 Electromagnetic Compatibility
8. eBeyoA Ajddns JA S JOWJOJSUeI __ Joye ioso ZH 8ct Joye I0so ZHIN Y Y cold V 909LOld Jej oJjuoo OJIN Jope ioso ZHAN v 1914991 aAeM N4 JOYEUILWLOSIP 9AeM 1934 LOld VEIDILODId Jejjojjuoo 40 99 9S JouoAuoo s d9 c IO pue 00 c INS8 usemjeq uoneorunuuuloo ejep jenas payeoipeq 993 yuAnisues voigiqetr O49IIN 1934 du god 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 PIC16C63A PIC2 which communicates with the bedside monitor The other is a filtered ECG analog signal which goes to the output 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 Section 5 Disassembly and Assembly Removing the Chassis BlOCK tnra teet ety rre teet Eee pera need dana a do cesta 5 1 Replacing the MAIN Board u E 5 6 Replacing the Analog Board LLL siete teen n
9. 3 9 CPU Check Meri ltemis ciens oam ERE exea ted e ceo REX ER FR aai 3 10 RON CHECK m a 3 10 RAM CREK uu cadsinseadeccsatientsatettsatesagenesaaaaves eateaasecats assigantesvancscssneceauaanaaian 3 11 ard Key CHECK d ashe aaaea naa N A E E Ea 3 12 Touch Key Check chere eth adia n o a anatata 3 13 Sound CNeECK eee deers fen niku causa us n a intauacetents panda dceveseuade ces tereteeey 3 14 ALARM INDICATOR Check iiias cnnan ai nennen nennen nnne 3 15 OTHER CHECK aoe acts sec NE NT 3 16 MEMORY CARD Check u u teet aa iaa anaia a ena sa dedu apa 3 17 Backlight Check sn asa a hunu etos deed RM ore b ets 3 18 CRTC Check Menu Items nennen nnne nn nnne nnns 3 19 GRAPHIC MEMORY Check and CHARACTER MEMORY Check 3 19 GRAPHIC DRAW ChOCK tt lastasasanaqataqukaqQantaygasqaqapatuyMadukabusyatunaqut 3 20 CHARACTER DRAW Check sssssssseseseeeeeeeeneeneeenn nennen nnns 3 22 IMAGE DRAW Check 2 1 niiina aian aaeeea eine rete in eee DR 3 24 DPU Check Menu ltems a 3 25 D A AD SUS eR 3 25 AD TEST ua 3 26 ZB I F CHheeK aie usuyqa aaa eee Eee ia EER UE LEE 3 27 NIBP Ghee e 3 28 DPUROM CHOCKk 5 mre esci tte ot necs eee ace a 3 38 PU RAMY CHhOCK eet sian tco tee beoe rn Ems Rise cures torba usa Roca Eds 3 39 Power FREG u asas qsssuqa 3 40 APU Check Menu ltems
10. 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 pinch 2 Touch the SELECT key or SELECTV key to select the 4 1 ADULT 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 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
11. 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 5 26 Service Manual BSM 2300 Service Manual BSM 2300 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 TIR 5 27 Section 6 Maintenance TO Be Replaced Penodicaly uuu adie actin Loretta onde dk e teda eee aate exe 6 1 FREQUINGR TOONS m ETE 6 1 Measuring and Test Equiprrierit ocium eerie neret inte sero ea ska eu eu Ee sa Rea ad 6 2 Maintenance Check Items and Schedule a 6 3 EXC FIVE EE 6 3 Input CONGITONS svccssdevessenscueasecerevece oia aandag a Eu eee tue pee ee t eee ee erede deu erede Row cct 6 3 ODS AU OM eec ETE 6 4 DIS PAY 6 4 gizsoo d R E 6 4 luce mE 6 5 Vital SIQM Palamietets u uu oreet heart enr n a ae Fes cede A es Euer ER Ra pupa
12. FF CH11MP3 FFF FFF FFF FFI roo EF LEEF EFE EFE 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 A to D converter every 2 ms The maximum and minimum data of each vital sign data are displayed every 512 ms CHI ECG1 CH2 ECGI HUM CH3 ECG2 CH4 ECG2 HUM CHS RESP CH6 PIC CH7 NIBP CH8 SpO2 CH9 MP1 CH10 MP2 CH11 MP3 ECGI1 waveform data with the hum filter set to off ECGI1 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 To return 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 XXX ZB F CHECK XXX ZB CONNECTION 9600 19200 38400 RTI OK OK OK BRT2 OK OK OK RETURN 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 shor
13. 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 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 MANUAL CHECK MENU screen at any time touch the RETURN key 3 11 3 DIAGNOSTIC CHECK Hard Key Check XXX HARD KEY CHECK XXX SILENCE ALARMS NIBP INTERVAL NIBP START STOP RECORD STOP RETURN 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 Inthe above screen confirm that the corresponding press
14. Set the number of electrodes correctly The electrode lead ECG connection cord or patient cable is faulty Replace the accessory with a new one Faulty Analog board Replace the Analog board with a new one Hum line frequency noise is on the ECG waveform The contact between the patient s skin and electrode is poor or gel of the electrode is dry Replace all the electrodes with new ones An electric blanket is used on or near the patient Cover the blanket with a shielding sheet The instrument uses the AC outlet connected to a equipment which has noise source Use a different AC outlet The ground wire of the power cord has a poor contact between the instrument and ground facility or the ground facility is poor Check which part is not grounded and remove the cause 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 cannot be changed Faulty connection between the MAIN board and Analog board Check the connection 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 displayed with a different ECG sensitivity from the sensitivity setting and
15. CNO0101 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 Signal Name Signal Description 1 5V 5 V supply voltage 2 45V 5 V supply voltage 3 CUFFO Measurement mode 0 4 CUFFI Measurement mode 1 5 E2 Digital ground 6 E2 Digital ground CNO0103 for line frequency detection coil wire Pin Number Signal Name Signal Description 1 FREQ Line frequency detection 2 FREQ Line frequency detection CNO0104 for pediatric valve Pin Number Signal Name Signal Description 1 N C Not connected 2 6V 6 V supply voltage 3 VALVE2 Valve 2 control CN0105 for safety circiut valve Pin Number Signal Name Signal Description 1 6V 6 V supply voltage 2 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 1 6V 6 V supply voltage 2 PUMP Pump control CNO0107 for speaker Pin Number Signal Name Signal Description 1 SND Speaker sound 2 SND Speaker sound 3 N C Not connected 4 N C Not connected CNO0106 for adult valve Pin Number Signal Name Signal Description 1 6V 6 V supply voltage 2 VALVEI Valve 1 control IBP Board BSM 2301 h
16. Replace the MAIN board Faulty Operation board Replace the Operation board A specified key on the operation panel does not work Faulty connection between CN101 on the Operation board and CN0202 on the MAIN board Replace the connection cable Faulty Operation board Replace the Operation board Faulty MAIN board Replace the MAIN board The workable key area Incorrect calibration of the touch screen Calibrate the touch screen positioning does not match the key Faulty MAIN board Check the MAIN board display on the screen Faulty touch screen Check the touch screen Touch screen does not work Faulty connection between the touch Check the connection The key function on screen and CNO701 the entire screen does on the Connection not work board Faulty MAIN board Replace the MAIN board Faulty touch screen Replace the touch screen The key function on a partial screen such as upper half screen does not work Faulty touch screen Replace the touch screen Service Manual BSM 2300 2 TROUBLESHOOTING ECG and Respiration by Impedance Method Problems Problem Possible Cause Criteria Action ATTACH ELECTRODES message is displayed even after each electrode contact part of the electrode lead is short circuited The setting Number of electrodes is set to a higher number than the actual number of the electrodes
17. There is good contact between the input socket on the instrument and connector of the connection cord Yes No 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 Speci
18. 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 maintenance 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 t
19. a 3 41 APUROMCHeSK62 EEUU 3 41 Service Manual BSM 2300 3C 1 APU RAM Check eeseeeseseseeeeeene enne nnnm enne nnne mne nennen emen 3 42 COM Check Menu Items uk uuu rene edet des iunes ge oce esci pred eed paid desea 3 43 WS RECORDER GheeK uuu uuu usasqa dese deus tete to coe dun ds estes Mees enu eran 3 43 jsbiMiegX 3 44 NETWORK GARD CHECK uito ee iate ere Ie HII EN ee 3 45 BATTERY Check cccccccscessesssssessecsccscneeeeeececceeeeeeeeeeeeeeeseessesssessesssesssesaaea 3 47 MULTI PARAMETER UNIT Check essseseseseeeeeneeneeennenneene nina 3 48 ECG Ge oM TE 3 49 OUTPUT Check c 3 49 Recorder and Control Block Checks a 3 50 SELF TEST PRO NO iioii ette eoe atero a ente iu ames aeu 3 50 SELE TESTPRON062 iiit deese cios leen Hem huata sapan moque 3 51 SELESTES T PHOTIO 3 cederet ettet tores 3 52 Calibration of Touch Screen a 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 t
20. 6113 039916B 6114 117795A 6114 120915 UR 3681 6113 044144 628777 442095A 619983 128345 488508A 634814 6190 014148 6114 128845 Qty Description w BP N e e N e m e N e e p Se Se eS Power supply unit insulation cover Ground wire AC power harness AC power harness for BSM 2304 only 15 V DC supply harness Edge cover Rear chassis Equipotential grounding terminal Speaker Speaker holder Left side panel for BSM 2301 2303 Left side panel for BSM 2304 Left side panel sheet for BSM 2301 Left side panel sheet for BSM 2303 Left side panel sheet for BSM 2304 Handle O ring Rear enclosure Screwed plate Handle washer Square rubber foot Right side panel Battery cushion sponge Battery enclosure Bottom plate Ground plate Gasket IBP board holder included IBP board holder Analog IBP connection cable Ferrite between MAIN board and power supply unit Ferrite fitting Spacer bolt Ferrite between NIBP and MAIN boards NIBP MP506 Oximax pulse oximetry module Nellcor shield Nellcor insulation sheet
21. Service Manual BSM 2300 Valve Valve drive circuit 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 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 requires 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 BOARD UNIT DESCRIPTION Recorder Module
22. Service Manual BSM 2300 3 35 3 DIAGNOSTIC CHECK 3 36 Touch the SELECT key or SELECTJ 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 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 Touch the SELECTT key or SELECT 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 b
23. 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 which 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 if 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 C
24. amp Power Boards RG 922P Recorder Unit 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 13 1 GENERAL Panel Descriptions Front Panel V NIHON KOHDEN Va NIHON KOHDEN Without optional WS 231P recorder module With optional WS 231P recorder module Service Manual BSM 2300 1 GENERAL No Name Description 1 Alarm indicator e scade mig alarm settings Green lamp blinks 2 Handle For carrying the monitor 3 SILENCE ALARMS key Silences the alarm sound 4 NIBPINTERVAL key Selects NIBP measurement mode Pressing this key changes the mode 5 NIBP START STOP key uk a ea selected mode Pressing the key during 6 MENU key Displays the MENU window 7 HOME key Closes any opened window and displays the monitoring screen 8 Power switch Press and hold for more than one second to turn the monitor power on or off 9 Power lamp Lights when the monitor power is turned on TA Lights when the power cord is connected between the AC SOURCE socket and AC outlet 11 Battery power lamp Lights when operating on the battery power 12 Battery charging lamp Lights or slowly blinks when charging 13 Touch screen p Md
25. for 1 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 Template matching method 1 channel 0 to 99 VPCs min Service Manual BSM 2300 Arrhythmia message 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 ASYSTOLE VT VE VPC RUN COUPLET EARLY VPC BIGEMINY FREQ VPC TACHYCARDIA BRADYCARDIA 16 8s 1 ch 2 5 mV 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 II MI I IL IIL 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
26. for CN001 on REC MAIN board of optional recorder module Signal Description Signal Name Pin Number Signal Name Signal Description Digital ground E2 1 2 Al Address bit 1 Address bit 2 A2 3 4 A3 Address bit 3 Address bit 4 A4 5 6 AS Address bit 5 Digital ground E2 7 8 A6 Address bit 6 Address bit 7 A7 9 10 A8 Address bit 8 Address bit 9 A9 11 12 E2 Digital ground Data bit 0 DO 13 14 DI Data bit 1 Data bit 2 D2 15 16 D3 Data bit 3 Digital ground E2 17 18 D4 Data bit 4 Data bit 5 D5 19 20 D6 Data bit 6 Data bit 7 D7 21 22 E2 Digital ground Digital ground E2 23 24 MOP 5 Paper magazine status signal Out of paper lamp PAP LED 25 26 43 3V 3 3 V supply voltage 5 V supply voltage 45V 27 28 15V 15 V supply voltage 15 V supply voltage 15V 29 30 KEY8 Interval key Digital ground E2 31 32 ACCDO Option status 0 signal Chip select signal X80SL 33 34 XPWRRST Power reset Digital ground E2 35 36 RXW Read Write control signal System reset XSYSRST 37 38 XDTACK Data acknowledge Recorder interrupt request INTREC 39 40 E2 Digital ground 9 2 Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT CNO0205 for CN002 on REC MAIN board of optional recorder module Signal Description Signal Name Pin Number Signal Name Signal Description Digital ground E2 1 2 A10 Address bit 10 Address bit 11 All 3 4 A12 Address bit 12 Address bit 13 A13 5 6 Al4 Address bit 14 Digital ground E2 7 8 A15 Address bit 1
27. 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 in this manual to ensure that the instrument is operating in accordance with its design and production specifications To verify 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 IEC60601 1 1988 e Protective earth resistance check e Earth leakage current check e Enclosure leakage current check e Patient leakage current check e Withstanding voltage check 1 5 1 GENERAL Specifications Display Display size Waveform display mode Viewing area Resolution Maximum number of waveform trace Sweep speed Sweep time Waveform display color Numeric display color Waveform freeze Display waveforms Numerical data display Synchroni
28. light in AC power operation No AC power input Check the AC power input One or both AC inlet fuses is blown Remove the cause of the blown fuse then replace the fuse with a new one Faulty connection between CN0401 on the MAIN board and power supply unit Check the connection Faulty power supply unit Replace the power supply unit with a new one Faulty connection between CN0202 on the MAIN board and CN101 on the Operation board or between CN102 on the Operation board and CN103 on the Power SW board Check the connection Faulty MAIN board Replace the MAIN board with a new one Replace the Power SW board with a new Faulty Power SW board One The instrument is not Faulty Power SW board Replace the Power SW board with a new turned on but AC one pover u MENTE i Faulty MAIN board Replace the MAIN board with a new one AC power operation The instrument is not turned on and the battery power lamp does not light in DC power operation The battery is discharged Charge the battery before use The battery is damaged or near the end of its life about year Replace the battery with a new one Faulty connection between CN0202 on the MAIN board and CN101 on the Operation board or between CN102 on the Operation board and CN103 on the Power SW board Check the connection Faulty MAIN board Replace the MAIN board with a new one DC power operatio
29. 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 To return to the MANUAL CHECK MENU screen touch the RETURN key Service Manual BSM 2300 FOHT SIZE Service Manual BSM 2300 3 DIAGNOSTIC CHECK Screen Flow of CHARACTER DRAW Check Program FONT SIZE ICDEF GH UKLMNOPQRSTUYHR YZ 301234587891 1 0122450789 0123460700 A BACK COLOR 3 23 3 DIAGNOSTIC CHECK IMAGE DRAW Check XXK IMAGE DRAH CHECK XXX 0001 07602 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 colors 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 Toselect 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 BAC
30. 2 TROUBLESHOOTING 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 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 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 Determine which troubleshooting table to use 2 Inthe Problem column find the trouble item that matches the problem 3 Do the action recommended in the Action column 4 Ifthe 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 TROUBLESHOOTING Power Related Problems 2 2 Problem Possible Cause Criteria Action The instrument is not turned on and AC power lamp does not
31. 52 45V 5 V supply voltage Memory bank select bit 3 BANK3 53 54 BANK4 Memory bank select bit 4 Memory bank select bit 5 BANK5 55 56 BANK6 Memory bank select bit 6 Not connected NC 57 58 XMRST Memory card reset Not connected NC 59 60 INC Not connected Attribute common memory select XREG 61 62 XMCBAT2 Memory card battery status bit 2 Memory card battery status bit 1 XMCBATI 63 64 MEMDS8 Memory card data bit 8 Memory card data bit 9 MEMD9 65 66 MEMDIO Memory card data bit 10 Memory card detect bit 2 XMCD2 67 68 E2 Digital ground 9 4 Service Manual BSM 2300 CNO0701 for touch screen 9 CONNECTOR PIN ASSIGNMENT Pin Number Signal Name Signal Description 1 NC Not connected 2 TOUCH_U Touch screen U signal 3 NC Not connected 4 TOUCH_R Touch screen R signal 5 NC Not connected 6 TOUCH_A Touch screen A signal 7 NC Not connected 8 TOUCH_L Touch screen L signal 9 NC Not connected 10 TOUCH_B Touch screen B signal 11 NC Not connected 12 TOUCH_D Touch screen D signal 13 NC Not connected 14 TOUCH_C Touch screen C signal 15 NC Not connected CN0801 AUX socket Signal Description Signal Name Pin Number Signal Name Signal Description Red output RED 1 11 RRET Red output return Green output GREEN 2 12 GRET Green output return Blue output BLUE 3 13 BRET Blue output return Vertical synchronous signal VSYNC 4 14 E2 Digital ground Horizontal synchronous signal HSYNC 5 15 E2 Digital ground I
32. 6 5 POW er C LEE 6 6 Data Backup uuu 6 6 DANGLY dieat uet lecce ca erste etu saam Te ee AT EDI LE Bh ITE 6 7 Gulf 6 7 Service Manual BSM 2300 6C 1 To Be Replaced Periodically Required Tools Service Manual BSM 2300 6 MAINTENANCE We recommend the periodic replacement of the following components according to the expected life span NK Code No Description Expected Life Span Backlight assembly for Approx 50 000 hours or 5 years 616193 LCD unit and 9 months or more of continuous operation Lithium battery for clock Approx 6 years or more 481809 operation backup 611893 Battery cushion sponge Approx 3 years or more 6114 120416 Battery cushion sponge Approx 3 years or more 6114 053114C Platen roller Approx 6 years or more Retainer ring Must be replaced with a new one 107092 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 MAI
33. 9 E2 Digital ground 10 E2 Digital ground Service Manual BSM 2300 9 15 9 CONNECTOR PIN ASSIGNMENT Power SW Board CNO0103 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 1 15V 15 V supply voltage for backlight 2 15V 15 V supply voltage for backlight 3 E2 Digital ground 4 E2 Digital ground 5 CNT Backlight ON OFF control 6 VR Brightness control 7 NC Not connected 8 NC Not connected CN2 for backlight Pin Number Signal Name Signal Description 1 Vout Lo Low voltage output for backlight cold cathode tube 2 NC Not connected 3 NC Not connected 4 NC Not connected 5 Vout Hi High voltage output for backlight cold cathode tube 6 NC Not connected 7 Vout Hi High voltage output for backlight cold cathode tube 9 16 Service Manual BSM 2300 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 CN0204 on MAIN board Refer to CN0204 for CN001 on REC MAIN board in the MAIN Board section CNO002 for CN0205 on MAIN board Refer to CN0205 for CN002 on REC MAIN board in the MAIN Board section CNO003 for CN103 on REC Power board
34. 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 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 2 Disconnect the connection cable which connects between the Analog board and IBP board 3 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 block NOTE If the 3 screws are left in the holes it may be difficult to slide the Analog board 5 10 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY The BSM 2304A monitor has the MP506 Oximax pulse oximetry module which is attached to the Analog
35. 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 Procedure 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 To return 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 RAH CHECK XXX CHECKING PATTERN 01 PASS COUNT 0001 ADDRESS RITE READ ADDRESS RITE READ START ADDRESS BUS CHECK OK RETURN 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
36. Check the cuff size and the wrapping condition Replace the cuff with a new one I f necessary Faulty NIBP board Replace the NIBP board with a new one The cuff does not inflate when you press the NIBP START STOP key If a message is displayed on the screen follow the message to solve the problem Refer to ERROR MESSAGES AND TROUBLESHOOTING section in the operator s manual The Operation board or MAIN board is faulty or the cable between the Operation and MAIN boards or between the MAIN and NIBP boards is disconnected or faulty Replace the faulty board or cable with a new one Tightly connect the cable between the two boards Faulty NIBP board Replace the NIBP board with a new one Service Manual BSM 2300 2 7 2 TROUBLESHOOTING Temperature Problems 2 8 Problem Possible Cause Criteria Action The temperature value is not displayed Faulty temperature probe Replace the probe with a new one Faulty Analog board Replace the Analog board with a new one The temperature value is wrong Faulty temperature probe Replace the probe with a new one Faulty Analog board Replace the Analog board with a new one Service Manual BSM 2300 Other Vital Sign Input Problems 2 TROUBLESHOOTING Problem Possible Cause Criteria Action There is no change on the screen when you connect the connection cord to the m
37. DIAGNOSTIC CHECK DPU RAM Check xx DPU RAH CHECK xxx HECKING PATTERN 021 PASS COUNT 0002 ADDRESS RITE READ ADDRESS WRITE 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 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 POWER FREQ XxX RETURN This check program detects the line frequency and shows it Not used on the BSM 2304A monitor 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 XX APU RUM CHECK XXX CRC CHE
38. ECG RESP socket Connects to the ECG connection cord NIBP socket Connects to the air hose Battery box Z For the optional battery pack With optional WS 231P recorder module Service Manual BSM 2300 1 17 1 GENERAL Right Side Panel AUX socket PC card slot Equipotential grounding terminal For an equipotential grounding lead Fuse holder AC SOURCE power cord socket For the AC power cord For connecting a display monitor ZB socket f or QI 231P 236P interface or AG 400R For the ZB 900P transmitter AUX socket For connecting a or AG 400R Without optional WS 231P recorder module PC card slot Equipotential grounding terminal For an equipotential grounding lead Fuse holder AC SOURCE power cord socket For the AC power cord ZB socket For the ZB 900P transmitter WS 231P recorder module option Paper window For checking the amount of recording paper Recorder door release lever g g pap Pull up the lever to open the recorder door With optional WS 231P recorder module Service Manual BSM 2300 1 GENERAL Storage and Transport Storage Transport Service Manual BSM 2300 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
39. 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 1 GENERAL Hard Keys and Soft Keys Hard Keys The instrument has five hard keys SILENCE ALARMS NIBP interval NIBP START STOP MENU and HOME These keys always have the same functions regardless of the screen display In this manual hard keys are indicated by CAPITAL LETTERS Soft Keys 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 20 Service Manual BSM 2300 1 GENERAL Upgrading the System Software and Changing Language on the Screen Service Manual BSM 2300 CAUTION Upgrading the system software and changing the language on screen erases all syste
40. L gt d9 z I0 pue o0 z WS8 usemjeq uoneoiunuuuoo LO VEIDILOId K erp renas payeaipeq 9AeN In4 4914 AYAISUaS V 0 Q 1Iq ZL 49 04 UOO 593 JeynoeJ Jojoejes JeyeAuoo OJOI N K g g89d 1 1l d 1 25 Service Manual BSM 2300 Section 2 Troubleshooting erc 2 1 PowersRelated Problems tte lll Su S dose de ea Rede CER ua Eee bea deE 2 2 Display ProD 8mgs eL 2 3 S und PrODISINS u ul uuu aaa asasawaskaqaqsskunaakasaaasasskasakassswtskayssstasqsasks aqaakasskakasa ss 2 4 Key Operation Problems uiii otto Ee aaia pale E ee Ease RE haqa si 2 4 ECG and Respiration by Impedance Method Problems 2 5 SPO2 Problem S ER 2 6 Non invasive Blood Pressure Problems U u uQ 2 7 Temperature Problems ertt mata te teen ee ott saka ELE L ndr E E EE eut rue ba Ge eig dE DDR cds 2 8 Other Vital Sign Input Problem Sesser uu a uqa nennen nennen enn nnne nnne nnns 2 9 Option PRODIGINS uuu uu am ecu ete neue sa eee tue eeepc reat ca eg npe gut pedes ance mu kayan aqkiyyqastas k 2 10 Recording Problems cccccceeeseccceeeeeeeseneeeeeeeaaeeseeeeeesaaaeneeeesesaaaaeeeeeseneesasaeeseeeeneeaees 2 11 QI 231P Interface Problems iet rorem onde xen dann 2 13 QI 286P Interface Problems iiid recte cite Rl etd emt foede er ea aut skua 2 13 Service Manual BSM 2300 2C 1
41. Manual BSM 2300 6 5 6 MAINTENANCE Power Item Check Procedure Action Power cord Check that the power cord does not have any damage poor continuity heat sound or smell while bending each part of the power cord Check that the ground lead has no damage and Ground lead no poor continuity while bending each part of the ground lead 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 Check that the power indicators such as the Power indicator and power lamp AC power lamp and battery power Remove the cause if there is anything supply voltage check lamp works properly and the correct voltages wrong are output from the power supply unit If the power cord has a malfunction replace it with a new one If the ground lead has a malfunction replace it with a new one Fuse Data Backup Item Check Procedure Action Check that the System Setup data is The EEPROM which stores the System Setup System Setup data stored for a long time after the power is data is faulty if the data is not stored so long backup turned off time Check that the setting data is correctly If the setting data disappears within 30 minutes Alarm setting data I backa stored after turning off the instrument after the power off replace the super capacitor p for 30 minutes or less and turning on on th
42. Memory card chip enable 1 XMEMCEI T 8 MEMA10 Memory card address bit 10 Memory card output enable XMOE 9 10 MEMAII Memory card address bit 11 Memory card address bit 9 MEMA9 11 12 MEMAS Memory card address bit 8 Memory card address bit 13 MEMA13 13 14 MEMAI4 Memory card address bit 14 Memory card write enable XMWE 15 16 XMCBSY Memory card busy 5 V supply voltage 5V 17 18 5V 5 V supply voltage Memory card address bit 16 MEMA16 19 20 MEMAI5 Memory card address bit 15 Memory card address bit 12 MEMA12 21 22 MEMA7 Memory card address bit 7 Memory card address bit 6 MEMA6 23 24 MEMAS5 Memory card address bit 5 Memory card address bit 4 MEMA4 25 26 MEMA3 Memory card address bit 3 Memory card address bit 2 MEMA2 27 28 MEMAI Memory card address bit 1 Digital ground E2 29 30 MEMDO Memory card data bit 0 Memory card data bit 1 MEMD1 31 32 MEMD2 Memory card data bit 2 Memory card write protect MCWP 33 34 E2 Digital ground Digital ground E2 35 36 XMCDI Memory card detect bit 1 Memory card data bit 11 MEMDI1 37 38 MEMDI2 Memory card data bit 12 Memory card data bit 13 MEMD13 39 40 MEMD14 Memory card data bit 14 Memory card data bit 15 MEMD15 41 42 XMEMCE2 Memory card chip enable 2 Not connected NC 43 44 NC Not connected Not connected NC 45 46 MEMAI7 Memory card address bit 17 Memory card address bit 18 MEMA18 47 48 BANKO Memory bank select bit 0 Memory bank select bit 1 BANKI 49 50 BANK2 Memory bank select bit 2 5 V supply voltage 45V 51
43. 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 1 MB system ROM takes a part of the memory for the upgrade program The host CPU replaces the previous program in the 1 MB system ROM with the new one MAIN Board EE REC MAIN Board Host CPU CPU P Main bus RACOON Local bus O lt lt Data flow in normal operation RACOON Program data flow in upgrade 4 12 Service Manual BSM 2300 Recorder Unit Service Manual BSM 2300 4 BOARD UNIT DESCRIPTION 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
44. REC MAIN RAM board is faulty board with a new one The common memory in the AID RACOON ASIC on the REC edd we 27 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 SELF TEST PRO NO 2 Temp 1CH gt JT lI FO Service Manual BSM 2300 A amp erirae FQWSO 3 100 K39801 EZNiron EM 25 mm s 5 lt gt AN 47 5 to 52 5 mm 3 DIAGNOSTIC CHECK 3 52 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 Scale Check Checks the circuit related to the scale recording in the recorder control block
45. 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 COM Check Menu Items Service Manual BSM 2300 3 DIAGNOSTIC CHECK 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 DUAL PORT RAH 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 is 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
46. UNIT DESCRIPTION gt Pacing pulse detection circuit Buffer Time constant Filter gt amp MPX P Time constant Filter MPX A toD ERC DE Converter 1 M Filter Filter SpO and MP Blocks 4 6 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 A 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 driv
47. board Refer to Section 8 Replaceable Parts List TE J Vtg ne Since a plastic component is attached to this socket remove the plastic component from the socket Otherwise the module cannot be attached to the Analog board 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 step 3 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 5 DISASSEMBLY AND ASSEMBLY Replacing the IBP Board BSM 2301 has no IBP board Perform the following procedure after the Replacing the NIBP Board procedure step 3 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 Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY Replacing the Inverter Board Perform the following procedure after the Removing the Chassis Block procedure 1 Disconnect the backlight lamp cab
48. equipment Check that the instrument is correctly connected to other equipment according to the operator s manual If there is a wrong connection connect the equipment to the instrument correctly according to the operator s manual Vibration or resonant sound Check that the instrument has no abnormal vibration or resonant sound Remove the cause of abnormal vibration or resonant sound condition check location according to the operator s manual Screws 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 Option check Card Check and Network Card Check on the Remove the cause if an error occurs Manual Check Menu screen Installation Check that the instrument is installed in a suitable If the conditions are not suitable improve them Service Manual BSM 2300 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
49. 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 To return 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 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 ORAM CHECK XKX This item checks the function of the character draw plane and ASCII font display 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
50. interface does not display The cable of the QI 231P interface has a poor contact between the bedside monitor and external display Check the connection from the bedside monitor to the external display through the interface any screen The display requires the different specification from the RGB signals of the bedside monitor Select an external display which matches the RGB signal specification of the bedside monitor The QI 231P has a malfunction Replace the IO ANALOG OUT board with a new one When the QI 231P is attached to the bedside monitor its operation is wrong The QI 231P has a malfunction Replace the IO ANALOG OUT board with a new one QI 236P Interface Problems Problem Possible Cause Criteria Action QRS synchronous signal HT is not output No QRS wave is detected at this interface Adjust the ECG sensitivity at the bedside monitor The connection between the bedside monitor and interface is poor Firmly connect the cable of this interface to the AUX socket of the bedside monitor ECG analog signal is not output The connection between the bedside monitor and interface is poor Firmly connect the cable of this interface to the AUX socket of the bedside monitor An external display connected to the bedside monitor through this interface does not display any screen This interface has a poor contact between the bedside monito
51. 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 K280 B F3 27 CA 5 R BRF0404 O E 32 0 RJ048 8S81 PFC25 48T1 G 1 20 01 O AV404461 LEE IIT PHR 15 UU Service Manual BSM 2300 8 REPLACEABLE PARTS LIST N Quite doti 2 8 11 Service Manual BSM 2300 8 REPLACEABLE PARTS LIST QI 231P Interface Index NK Code No Qty Description 1 61
52. new one Faulty SpO2 connection cord Replace the connection cord with a new one There is no change on the Temperature and IBP can Replace the Analog board with a message is displayed probe is not replaced with a new one Faulty Analog board screen when you connect be measured new one Ui HOS concedo card 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 the probe with a new one The probe attachment site is changed or replaced with a new one Faulty Analog board Replace the Analog board with a new one CANNOT DETECT message is displayed The probe attachment site is not changed or the probe is not replaced with a new one Change the probe site or replace the probe with a new one The probe attachment site is changed or replaced with a new one Faulty Analog board Replace the Analog board with a new one 2 6 Service Manual BSM 2300 Non invasive Blood Pressure Problems 2 TROUBLESHOOTING Problem Possible Cause Criteria Action NIRE MODULE ERROR Faulty NIBP board Replace the NIBP board with a new one message is displayed NIBP SAFETY Air hose is bent Check the air hose CIRCUIT RUNNING message is displayed One
53. of the internal air tubes between the NIBP board and NIBP socket is pinched Check the internal air tube connection Faulty NIBP board Replace the NIBP board with a new one AIR LEAK message is displayed Cuff or air hose has an air leak Replace the cuff or air hose with a new one One of the internal air tubes between the NIBP board and NIBP socket is loose or disconnected if the cuff is not inflated when the NIBP pump sounds like it s moving Check the internal air tube connection Replace the faulty component with a new one if damaged Faulty NIBP board Replace the NIBP board with a new one There is no change on the screen when you connect the air hose to the NIBP socket on the instrument The air hose connector is faulty Replace the air hose with a new one The connection cable between the Hall Sensor board and NIBP board is disconnected or faulty Tightly connect the cable between the boards Replace the cable with a new one if faulty The connection cable between the NIBP board and MAIN board is disconnected or faulty Tightly connect the cable between the boards Replace the cable with a new one if faulty Faulty Hall Sensor board NIBP board or MAIN board Replace the faulty board with a new one NIBP measurement data on the screen is wrong A wrong cuff size is used or the condition of the cuff wrapped around the patient s arm is not correct
54. 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 Temp 20H Character Check 1 CX 40123456799 SA SEB CDE OH E TK ME u P nST VWXYZLV1A abcdef amp hi ik ImnopP4 ret EE i BIAFIREI IF TF EREFARINE IA Paar HUM LI gt 1 Pra rA AASRPAE 2T TRILXT E A IS bagra y try z n KENNS ii Ot23456789 gt 7 ABCDEFGHI JKLI NOPGRSTUVWXY ZEST A ex sbcdef shi e D mriopqratuvWxuz c bo 4X22232597X7972 Eos COMME diia 1 ci N EAA E T RIXE ML 012845879975 297 aSCDEFGHI SKE MNGPGRS TUVWXYZ EXIJA edef ghi jki mno Ms air Z lt ija 312734 AU TET IEE Reo ENED genes 3754527351 IF T IR MAUS 1 us Kan MC 3 ed 40123456789 lt 7A ICDEF GHISKLMNG PQ RSTUVWXYZE I
55. se co eet eerie n edad 9 14 CNO107 for Speaker ttt at efte eet ed O Qutupi 9 14 CNO108 for adult ValVe su l u u unu aae aa enne nenne 9 14 IBP BOATO aus M 9 14 CN001 for CN601 on Analog board 9 14 Service Manual BSM 2300 9C 1 9C 2 Operation BOA y IIIa assaka RNRVKR ERR E FR FER ATETRRRRER A ARETE PARE ERA Reg KR 9 15 CN101 for CNO202 on MAIN board eseeeeeneennns 9 15 CN102 for CN103 on Power SW board U U U aa isa 9 15 Power SW Board ua m 9 16 CN0103 for CN102 on Operation board u au ssshasss 9 16 Irige er BOAO rm 9 16 CN1 for CN0802 on MAIN board 9 16 CN for baeklight uu ux aha aqo Susa buah qaa e be tantes 9 16 Hall Sensor Board uu u uu ua iupamsqay aq askswsakakasshawamwkassauspasykusa a ennt ren sentent nennen nnns 9 17 CN101 for CN102 on NIBP board 9 17 RECMAIN Board 9 17 CNO01 for CNO204 on MAIN board ssseeeeeennnenenns 9 17 CNO02 for CNO205 on MAIN board sisisi 9 17 CN003 for CN103 on REC Power boardQ ssseeeee 9 17 REC Key Board E 9 18 CN201 for CN104 on REC Power board 9 18 REG Power Board Cnm 9 18 CN101 for recorder Unit uuu eintreten e teda 9 18 CN102 tor recorder Urilt eiectum a tee exe et eee ee
56. 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 SOUND1 ALARM SOUND 2 ALARM SOUND3 QRS BEEP HIGH TONE QRS 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 L 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 ALARM INDICATOR Check XXX ALARM INDICATOR CHECK xxx YELLOW 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 To return to the MANUAL CHECK MENU screen touch the RETURN key 3 15 3 DIAGNOSTIC CHECK OTHER Check XXX OTHER CHECK XXX HYRAH CHECK NVRAM CHECKING RETURN Thi
57. 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 1b Disconnect the battery pack from the battery cable and remove the battery box from the instrument lt 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 module 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 top and bottom of the connecto
58. 02 Pin Number Signal Name Signal Description 1 DETECTOR 2 DIGITAL GND 3 DIGITAL SIGNAL 4 DETECTOR 5 INNER SHIELD 6 N C 7 LED 8 N C 9 LED 10 OUTER SHIELD CN601 for CN001 on IBP board Pin Number Signal Name Signal Description 1 XIO2 IBP board identification 2 IBP2 Blood pressure waveform 3 AEF Analog ground 4 5VAF 5 V supply voltage 5 IBP2 CHK Detection of transducer wire break 6 ROM CLK2 Clock for ROM in connector of connection cord 7 ROM DATA2 Data for ROM in connector of connection cord 8 SW 2 Zero balance switch 9 6VF 6 V supply voltage 10 AEF Analog ground Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT 9 CONNECTOR PIN ASSIGNMENT CN602 Pin Number Signal Name Signal Description 1 N C 2 AEF 3 AEF 4 XNELL_RST 5 AEF 6 N C 7 5VAF 8 Rx_4 9 Tx_4 10 5VSPO 11 AEF 12 AEF 13 5 VDF 14 AEF 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 1 ZB_RESP ZB respiration signal 2 DGND Digital ground 3 ZB_CNFM ZB recognition signal 4 5V 5 V supply voltage 5 ZB_XRST ZB reset signal 6 ZB_XINIT ZB initialize signal 7 ZB_XTXD ZB serial communication Transmit 8 ZB_XRXD ZB serial communication Receive 9 12 Service Manual BSM 2300 NIBP Board
59. 02 for CNO101 on NIBP board sese 9 9 Alarm Indicator Board sssssessssseeeeennen eene nennen nennen EN aaRS 9 10 CNO0101 for CNO201 on MAIN board ssssseenen 9 10 Analg Boal uuu 9 11 ep Viaennes 9 11 CN601 for CNOO1 on IBP board sissioni ai 9 11 eo e u uu us 9 12 CN901 for CN1501 on MAIN board 9 12 CN902 for ZB 900P transmitter sssini iaiia oaaae e 9 12 NIBP BOA e e Emm 9 13 CNO0101 for CN1502 on MAIN board rissies 9 13 CNO102 for Hall Sensor board u ugnu u ulaqa aaa 9 13 CN0103 for line frequency detection coil wire 9 13 CN0104 for pediatric Valve u u us uu nennen 9 13 CN0105 for safety circiut valve I 9 13 CN0106 for PUMP us Sauna ttt eene Seb aqa siasa E A sieaetnaastese 9 14 CNO107 for speaker htt etin oce steer ebat bae ero Reads 9 14 CNO108 for adult valve a 9 14 IBP Board e 9 14 CNO01 for CN601 on Analog board sssseemennnes 9 14 Operation BOA EE 9 15 CN101 for CNO202 on MAIN Doard s u iinis 9 15 CN102 for CN103 on Power SW board 9 15 Service Manual BSM 2300 C 5 CONTENTS C 6 PoW er SW Board Z m c 9 16
60. 13 045214 1 Bottom case UBI uxIl 2 6114 125875A 1 Side panel OO 3 6113 045205A 1 Top cover uHuig t utltl xi 4 6123 014006 1 WARNING label QI 231P O 5 123225 6 Black screw 3x8 6 6124 035614 1 Protective earth symbol label LDELIEEREIELILLL 7 094497 1 TRIG ECG output jack TRIG ECG D 8 6114 126776 1 Protective earth screw EARTH A UR 3691 1 IO ANALOG OUT board B 625904A 1 AUX connection cable uBuHBHtuiiliili 8 12 Service Manual BSM 2300 QI 236P Interface Index NK Code No A UR 3731 B 643724 1 6113 047417 2 6113 047408 3 6123 015415 4 6114 126776 5 6124 035614 cn Service Manual BSM 2300 8 REPLACEABLE PARTS LIST Qty Description 1 IO CT OUT board IO CT OUT BOARD 1 AUX connection cable DX30AM PHR10 9 W440 1 Bottom case BOTTOM PLATE 1 Top cover TOP COVER 1 Warning label QI 236P WARNING PANEL 4 Protective earth screw EARTH ITI 1 Protective earth symbol label LUEEBDEEEEIEIEILIELI i M a oe m ai t 2 A uil 9 s 9 i A e Pus KC SRA h s NA We 2 gt i E de Hk l4 FD NS SX gt lt lt E E G gt ae a ew 1 gua 8 13 Section 9 Connector Pin Assignment MAIN fortior 9 1 CNO0201 for Alarm Indicator board 9 1 CN0202 for CN101 on Operation board 9 1 CNO0204 for CNOO1 on REC MAIN board of optional reco
61. 23093K sss nennen 1 16 BSM2 2304A dia 1 17 Right Side Panel u pun iud HII Re deed ced ERE 1 18 Storage and Transport sssssssssssssssssesene eene enne nennen nnne trn nennt nnn nnns 1 19 Storage fT 1 19 TRANS POM mem 1 19 Hard Keys and Soft Keys nnne nnns entente nennen nnns 1 20 nip stead 1 20 SOMIRG m 1 20 Upgrading the System Software and Changing Language on the Screen 1 21 PrOCEdUTE ul ASNES 1 21 Block DAG MANN u uuu coacti opis en ex idee atu ios uec A AEAEE RRRS E ASARRE 1 22 BSM 2300 12 ees 1 22 WS 231P Recorder Module rete ote eerte vere ett ue vx agas 1 23 QI 231P Interface sirsiran kiana E nennen nennen rennen nnne enne nennen nnns 1 24 QI 236P Interface eec derer teet e Decr seu Eee be 1 25 Troubleshooting 2C 1 Generaler E HERE 2 1 Power Related Problems UL toit tti ie Deere sue ox ee ei ais let camavanenuecdanbaxty 2 2 Display ProBl8Img u uqu M 2 3 Sound Proble S isisisi E 2 4 Key Operation ProbISmM Siisera ciiao aada annasa EFE 2 4 ECG and Respiration by Impedance Method Problems a 2
62. 300 beats min in 5 beats min steps OFF OFF 15 to 295 beats min in 5 beats min steps TACHYCARDIA BRADYCARDIA AS YSTOLE 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 x0 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 7 1 GENERAL SpO on BSM 2301 A K and BSM 2303K 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 rat
63. 3CDES440 SYSTEM MAKUAL CHECK SYSTEM SETUP INITIALIZE HISTORY MONITOR WODE 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 patient 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 patient monitoring screen appears Power ON With the SILENCE ALARMS key pressed 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 WS Recorder Checks Check Check RAM Check AD test APU RAM Check SELF TEST Character Serial I F Check PRO No 1 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 monitor Output Check Other Check Memory Card Check Back Ligh
64. 43 WS BECORDER Ch CK nim UU Rd 3 43 SERIAL IVF Chek 3 44 NETWORK CARD Ch eCK 5 L ianea i exnedh chddshscaedisscemeestensy 3 45 BATTERY CGC itas ottenuti tester ee eee 3 47 MULTI PARAMETER UNIT Check nennen nnn 3 48 ECG Cheek ua rn 3 49 QUTPUT CHECK uuu 3 49 Recorder and Control Block Checks nennen 3 50 SELESTEST PRONOU iio tren terrenis edo 3 50 SEI F TEST PRO NOG 2 nitide aa cct e tbe o aa et dee e eo trauen 3 51 SEEF TEST PHO NO 9 sisinio necertan ai ciens o Cien Qk aa Dial 3 52 Calibration Ot Touch Sere STi e REIR UNE II MU 3 53 Section 4 Board Unit Description 4C 1 MAIN ETor Tro enenu enes aara aeee E area EE E a EEEa a AOA e ea e Eaei 4 1 Analog Board e 4 5 ECG RESP BIOCK it eee rocca c ec rta asa E Fa dun en aie ga 4 5 SpO2 arid MP BIOCKS ur E 4 6 SpO2 BlOCK qc uu u Sasan es 4 6 MP BOCK cH METER 4 7 IBP BOATO e 4 8 NIBIPP BOAEG yu saa usa iadaa d aoa duode d dc ta dtu du oes 4 9 Power Supply Block eene nennen en nennen rnnn entren reet nnn nnns 4 10 Service Manual BSM 2300 C 3 CONTENTS Section 5 Section 6 C 4 He Dv CC RT 4 11 Recorder Module Option uu dert Dee rcr et ire ent puce a andi ened einen 4 12 REC MAIN
65. 5 Address bit 16 A16 9 10 AI7 Address bit 17 Address bit 18 A18 11 12 E2 Digital ground Data bit 8 D8 13 14 D9 Data bit 9 Data bit 10 D10 15 16 Dll Data bit 11 Digital ground E2 17 18 DI2 Data bit 12 Data bit 13 D13 19 20 D14 Data bit 14 Data bit 15 D15 21 22 E2 Digital ground Digital ground E2 23 24 PEMP 5 Paper status signal Not connected NC 25 26 43 3V 43 3 V supply voltage 5 V supply voltage 45V 27 28 15V 15 V supply voltage 15 V supply voltage 15V 29 30 K3 Record key Digital ground E2 31 32 ACCDI Option status 1 signal Recorder reset XRESWS 33 34 XRSTPRO Program reset Digital ground E2 35 36 PRTREQ Record request Paper mark detection signal SNSON 37 38 24VOK 24 V status signal Recorder module connection signal EXTWS 39 40 E2 Digital ground CN401 for power supply unit Pin Number Signal Name Signal Description 1 VOTS 15 V supply voltage 2 VOTS 15 V supply voltage 3 VOTS 15 V supply voltage 4 E2 Digital ground 5 E2 Digital ground 6 E2 Digital ground Service Manual BSM 2300 9 3 9 CONNECTOR PIN ASSIGNMENT CNO0601 for program card or network card Signal Description Signal Name Pin Number Signal Name Signal Description Digital ground E2 1 2 MEMD3 Memory card data bit 3 Memory card data bit 4 MEMD4 3 4 MEMD5 Memory card data bit 5 Memory card data bit 6 MEMD6 5 6 MEMD7 Memory card data bit 7
66. 5 f evacisiE 2 6 Non invasive Blood Pressure Problems u LLL UU aaa aaa sasaqa eene 2 7 Temperature Problems LLL ennn aranan TAAA nnne nennen enne nennen enne nennen nnn 2 8 Other Vital Sign Inp t Problems L L eene tide ko tok expe taba e LER aaaea 2 9 Option Probl lTiS etia rerit aa ace cerni enero ee qaqa E Le t ead 2 10 Recording Problems _ u uu u ua ae nie ARAE EAEAN ARE EREDAR 2 11 QI 231P Interface Problems 2 cerita peser k e erie deere ental 2 13 QI 236P Interface Problems u otii iere eene coronae eue Heer e rede ep RE peu E teens 2 13 iiie qm 3C 1 MMU O OU CUO eR HL 3 1 Power On Self Check d eorr nce ipei pe cte a pea c ee EELEE I sve Ru D DE POE 3 2 Calling Up the DIAGNOSTIC CHECK Screen a 3 4 Calling Up the Error HIStOLy inco a T l teen terr eaa EIE vere Ee ku Rex ERR 3 5 gepEer 0 m 3 5 Si Cini AA MET 3 6 Initializing the SySt r uus iiie n t ne eoe Peer rete inh cf Ey cu ERE HERE 3 7 Performing Manual Check and Other Checks a 3 8 Calling Up the MANUAL CHECK MENU Screen ssessmee 3 9 CPU Check Men Items cire tek eee hie 3 10 PROMI CROCK PEE 3 10 Service Manual BSM 2300 CONTENTS RAM Ch 6k aasaasa sasa ssasaaasasasssashasansasaassaaaqasassaaahanass
67. 8 13 8C 1 Service Manual BSM 2300 Service Manual BSM 2300 8 REPLACEABLE PARTS LIST When ordering parts 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 2 D x lt 11 12 59 13 14 15 16 43 44 Bedside Monitor BSM 2300 Um AA E d 8 2 NK Code No 6122 004848B 6123 012721B 6124 034205 6124 034223 6124 035249 6124 036792 6124 026508 6111 006279C 6113 040157C 6114 107877 UR 3611 613231A 6114 114922B 601716 6111 006199C UR 3644 UR 3638 Not available 6114 114664B UR 3639 Not available 613213A 613222A 601707 613196A 6111 006216C 6114 117001A 1124 037173B 128318 6114 112274 6114 125991 128345 6113 039925B 292015 575824B 613151A 9 lt N x kak Description Operation panel sheet Power indication sheet Model number label for BSM 2301A Model number label for BSM 2301K Model number label for BSM 2303K Model number label for BSM 2304A Nihon Kohden logo sheet Front enclosure Alarm indicator Alarm i
68. AIN board through the non floating area Temp AtoD isolation L 4 F converter APU x MP AtoD rer NE converter I SpO2 u i IP Power Trans Supply former P i converter ERC RESP Power Trans J i Supply former ZB 900P BSM 2304A uses MP 506 Nellcor SpO unit ECG RESP Block 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 L II III aVR aVL aVF and 2 chest leads are simultaneously displayed on the screen when 6 wire type disposable electrode lead is 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 Service Manual BSM 2300 4 5 4 BOARD
69. A_ abcdef hi jk aS SOULS S Jw 422 IURE ee WAP EJAN 37492z 2 2327 PAPIR ibid WE oe ENSEN TEH ME SZE 0123 ace 789 lt gt 7 QBCDEFGHI JKLMNOPGRSTUVWXYZE IA abcdef shi jk Imnoparstuywxye tt bat HEDPAFIZED m VEAEJAUK J3745x4Tv23 Votes p EXZARJAESAUR RNHGHMDUDHEO 7 Thermal Array Head Check 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 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 3 A target 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 To return to the DIAGNOSTIC CHECK screen press the HOME key 3 53 Section 4 Board Unit Description MAIN BORTU e
70. Analog board Check the connection Faulty Analog board Replace the Analog board Monitoring lead setting cannot be changed Faulty connection between the MAIN board and Analog board Check the connection Faulty Analog board Replace the Analog board Respiration waveform is not displayed Electrode electrode lead ECG connection cord or patient cable is faulty if the ECG waveform on the screen has something wrong Replace the accessory with a new one When RESP OFF message is displayed on the screen IMP RESP MEASURE on the RESP window is set to OFF Set the IMP RESP MEASURE to ON Faulty Analog board Replace the Analog board Respiration rate is wrong The respiration waveform amplitude is too small to count the respiration rate Change the sensitivity so that the amplitude is larger than 10 mm on the screen Faulty Analog board Replace the Analog board ECG waveform and respiration waveform are Faulty Analog board Replace the Analog board mixed Respiration waveform is saturated and does not return to the baseline Faulty Analog board Replace the Analog board position but the sensitivity is not too high Service Manual BSM 2300 2 5 2 TROUBLESHOOTING SpO Problems Problem Possible Cause Criteria Action CHANGE PROBE message is displayed The probe is expired damaged or defective Replace the probe with a
71. Bo8Ig uu u ana na EE 4 12 Recordar Unlu uu u u D dd e dE E Ere 4 13 Interface Option QI 231BP J u aaa eek Gute sibel 4 14 ECG QRS Synch or Alarm Trigger Signal Output Block 4 15 Serial Data Communication Relay Block 4 15 ielsMsi isj s RE 4 15 Interface Option QI 236P a 4 16 ECG and QRS Synch Trigger Signal Output Block 4 17 RGB Relay BIO CK e 4 17 Disassembly and Assembly 5C 1 Removing the Chassis Blogk uu u ananas ak enne nennen nnns entrent 5 4 Replacing the MAIN Boar uu k l ua a Aan uerit rede dE 5 6 Replacing the Analog Board ssssssssssssseeeeneeennn eene 5 10 Replacing the NIBP Board iuste tete cierre tert spa traen praed ea ENEA ASEA 5 12 Replacing the IBP BOAO iioii tbe ore satt evenit e e ete co toov vo eoe tipo te eee pe etes ken er earn odd 5 13 Replacing the Inverter Board u UI II aaa as sassa ass ENE RAAE ukkaawaawquqsqh 5 14 Replacing the LCD MUT Z u a eases eves ceeeeciiak tee ndedeesneetdies there sects Ni alates 5 16 Replacing the Lithium Battery uuu uuu uuu uu enn eene nnne 5 18 Replacing the Backlight Lamp Unit essssseeeenen nennen 5 19 Replacing the Battery Pack teens ct eter same store estie tuu eren ve pda ea
72. CA INC 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 1 24121 Bergamo Italy Phone 39 035 219 543 Fax 39 035 232 546 NIHON KOHDEN IBERICA S L C Ulises 75A E 28043 Madrid Spain Phone 34 917 161 080 Fax 34 913 004 676 NIHON KOHDEN SINGAPORE PTE LTD 70 Shenton Way 414 05 Marina House Singapore 079118 Phone 65 6224 6700 Fax 65 6224 6216 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
73. 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 is 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 NETHORKCARD CHECK XXX CARD ATTRIBUTE SYSTEM RAM CHECK ROH CHECK VSTEM RAM CHECK SYSTEM RAM CHECK 200 URRUN RAN CHECK BY CARD CHECK ADDRESS WRITE READ ADDRESS WRITE 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 found the host CPU displays the address at the error occurrence written data and read data on the following screen XXX NETHORKCRRD CHECK xxx CARD ATTRIBUTE COHHON RAH CHECK BY CARD CHECK EVSTEM RAM CHECK COMMON RAH CHECK BY CARD 01 ADDRESS WRITE READ ADDRESS WRITE READ COMMON RAM CHECK BY CARD 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 t
74. 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 3 19 3 DIAGNOSTIC CHECK 3 20 GRAPHIC DRAW Check XXX GRAPHIC DRAW CHECK XXX SELECT CHECK PLANE PLANE 1 PLANE 5 PLAHE 9 PLANE 13 PLANE 17 PLANE 3 PLANE 7 PLANE 11 PLANE 1 PLANE 19 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 Procedure to Execute the GRAPHIC DRAW Check Program 1 To select the Check touch the GRAPHIC DRAW CHECK key Touch the PLANE 1 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
75. CKING 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 Toselect 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 Toreturn to the MANUAL CHECK MENU screen at any time touch the RETURN key 3 41 3 DIAGNOSTIC CHECK APU RAM Check ck APU RAM CHECK Xxx PASS COUNT 0003 ADDRESS WRITE 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
76. CN0103 for CN102 on Operation board 9 16 INVO MOF Board UE 9 16 CN1 for CN0802 on MAIN board L uu ua Q0ushissasasuskass 9 16 CN2 for backlight rie hiis sel Die eee 9 16 Hall Sensor Board ssssessssssessesseeeeeenen nennen ennt nennen nennen enn rntr ntn tne rennen 9 17 CN101 for CN102 on NIBP board 9 17 REG MAIN B0ard ME 9 17 CNO01 for CNO204 on MAIN board sseseenenm ens 9 17 CNO02 for CNO205 on MAIN board eeseeeseeeeeennennnns 9 17 CN003 for CN103 on REC Power board 9 17 PREG Key Board EE 9 18 CN201 for CN104 on REC Power board 9 18 REC Power Board pc EC ETE 9 18 CN101 for recorder unit tesmenis iiaa A nennen usss 9 18 CN102 tor tecorder Unit account entente toe ree tremite cocos 9 19 CN103 for CNOO3 on REC MAIN boarQ eseeeeenmennn 9 19 CN104 for CN201 on REC Key board 9 19 IO ANALOG OUT Board ecce en Eee Ho Ere diea etre dud acer ERR aaa saaat 9 20 NOON 9 20 en rcm 9 20 CNO05 2 CERES 9 20 CN009 ua u unn aan asas natas wa ERS 9 21 CN004 u nahua nev e EE cette au er epe ed rea te ee ec etd csi 9 21 IOS CT OUT BOAO TEE 9 22 CN002 uuu 9 22 CGN00982
77. EMBLY 4 Connect a new battery pack to the battery cable 5 Install the 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 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 it does not come out 7 Fasten the battery box to the instrument with the 3 screws Service Manual BSM 2300 5 23 5 DISASSEMBLY AND ASSEMBLY When the Recorder Module CAUTION e Turn off the instrument and disconnect the power cord from the is Attached to the Instrument instrument before beginning the procedure e Before placing the instrument on a table 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 Place the instrument face down on the table as shown below 1 pe 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 u
78. ETURN 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 To return to the MANAUL CHECK MENU screen touch the RETURN key 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 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
79. GCaullOEli erroe hec tectum Me iU i Conventions Used in this Manual and Instrument iii Warnings Cautions and Notes u iii Explanations of the Symbols in this Manual and Instrument iv On panelsct is enis De NS iv ente iteet uakis Em V Ici V Section T C s e 1C 1 nuifeelUei o p 250 oi Fad aires Lem 1 1 General Information on Servicing ersi smsan a aaa a aaka nnne 1 2 Service Policy Service Parts and Patient Safety Checks 1 4 Service PONCY cave stave u ccd pies ox bade ccdi sod canta aces Sa amna sasawa ka aaa qasata tahay 1 4 Service Palts 2 um u eicere teure bidet anc t a bI bete beet etn tee hts 1 4 Patient Safety Checks a 1 5 Sju fee u c 1 6 DIS DIA 1 6 lea 1 6 XC m 1 6 EGG Iu LI UU etre LIU 1 6 Respiration Transthoracic impedance pneumography 1 7 SpO2 on BSM 2301 A K and BSM 2303K 1 8 SpO2 on BSM 23044A nnne nennt nne n rnnt nennen 1 8 Non Invasive Blood pressure NIBP a aaa sasssawasaasasssaaasss
80. HECK 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 and 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 XXK POWER ON CHECK RESULT OK OPTION HO HS BSM 2300 VERSION CPU PROGRAM LANGUAGE Yer 00 24 Ver 00 24 SUM DCC70802 SUM RERBDERF BOOT Yer 00 24 Yer 01 01 SUM 30BA3FCC SUM S3CDES440 Yer 00 24 SUM D5E95065 SYSTEM MANUAL CHECK SYSTEM SETUP INITIALIZE HISTORY MOHITOR 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 DIAGNOST
81. Horizontal synchronous signal 10 HSYNC GND Horizontal synchronous signal return Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT 9 21 9 CONNECTOR PIN ASSIGNMENT IO CT OUT Board CNO002 Pin Number Signal Name Signal Description 1 ECG ECG analog signal 2 3 EF Ground 4 EF Ground 5 HT QRS synch trigger signal 6 7 E z 8 9 P 10 EF Ground 11 EF Ground 12 13 14 15 CN003 Pin Number Signal Name Signal Description 1 R Red output 2 G Green output 3 B Blue output 4 NC 5 VSYNC GND Vertical synchronous signal return 6 RGND Red output return 7 GGND Green output return 8 BGND Blue output return 9 NC 10 HSYNC GND Horizontal synchronous signal return 11 NC 12 NC 13 HSYNC Horizontal synchronous signal 14 VSYNC Vertical synchronous signal 15 NC 9 22 Service Manual BSM 2300 es Manufacturer NIHON KOHDEN CORPORATION 1 31 4 Nishiochiai Shinjuku ku Tokyo 161 8560 Japan Phone 81 3 5996 8036 Fax 81 3 5996 8100 DSSS 16 DESTDSUC X 8 388 169 S MEAR 3008 amp i 021 6469 9016 X 021 6486 7218 JUR SEIS JURTDESILTISEP 3 S HAM 601 i 010 6804 9531 f 010 6804 7366 T NEED CADABRE 371 375 8 te PRCA 2516 020 8777 9108 X 020 8778 1882 RPDS ia WHALE ARIAS 20 S i 024 2340 2565 fM 024 2383 2557 RRS MAP ABH 25 8 KIAM 42028 amp is 028 773 6236 f 028 773 6236 NIHON KOHDEN AMERI
82. IC 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 initialization 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 NERAN ALARA j HISTORY HISTORY RETURN DETAIL DATE TIME 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 progra
83. K 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 To return 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 A ADJUST XXX RETURN This item is used to check the output voltage level of the D to A 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 D 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 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 CH1 EC61 CH3 EC52 CHS RESP CHE PIC CH HIBP CH2 lt EC61 HUM 4 Ne XXX AD TEST XXX renee Sect or ener eni Sse Kla SI a Sa S
84. Key boards Flat cable 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 51021 0500 L 55MM U 8925E 040 179 018 GG TTIT WS 231P u ut OLI TM166 8 10 5 K 721 T 16 Service Manual BSM 2300 8 REPLACEABLE PARTS LIST Service Manual BSM 2300 8 9 8 REPLACEABLE PARTS LIST RG 922P Recorder Unit Index NK Code No 1 6111 002327E 2 6113 017726C 3 6114 067901A 4 6114 053132A 5 515284 6 6114 053141B 7 6114 053177C 8 515506A 9 6114 053168C 10 6114 053159B 11 6112 008444C 12 6114 053114C 13 492503 14 6114 059474B 15 6114 053186A 16 6113 023951A 17 107002 A 445074 B 445109B C 448053 D UR 3570 578447 E 614328 F 449132 G UR 3571 8 10 fess sas ES ek RS sak A CDM T lt N eS Description Recorder drive unit chassis Head holder Spring for head Shaft for head Bearing for head Spring for
85. LY AND ASSEMBLY 2 Remove the 4 screws which secure the LCD unit to the holder and remove the LCD unit from the holder Service Manual BSM 2300 5 17 5 DISASSEMBLY AND ASSEMBLY Replacing the Lithium Battery 5 18 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 or electrically conductive materials e Discard used batteries according to your local laws Service Manual BSM 2300 5 DISASSEMBLY AND ASSEMBLY Replacing the Backlight Lamp Unit Perform the following procedure after the Replacing the LCD Unit procedure 1 Place the LCD unit face down on the table covered with a clean soft and smooth material 2 Rem
86. 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 So DPU Block Host CPU Bus request signal I Main bus m Local bus System lt RAM lt Data flow in normal operation Program data flow in upgrade Serial data communication Service Manual BSM 2300 4 3 4 BOARD UNIT DESCRIPTION 44 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 is supplied to the instrument and the battery is inserted into the instrument the power supply microcontroller charges the battery with approx 370 mA norma
87. MP LOOP CHECK ERROR LOOP CHECK ERROR LABEL 002C LABEL CAL FFF8 CAL CAL TIME 3RFRIFB2 CAL TIME SENSOR OK SENSOR STATUS STATUS MAX 14E1 MAX OBIF WIN 14E0 MIN OB1F Diff 0001 Diff 0000 Ref O7FF CAL OBIF Procedure to Start and Exit the MULTI PARAMETER UNIT Check Program 1 Toselect the MULTI PARAMETER UNIT Check touch the MULTI PARAMETER UNIT CHECK key at the COM CHECK column STATUS Factory use e MPPARAMETER 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 PRESS1 socket When the connection cord is disconnected from the socket NONE message appears LOOP CHECK Shows 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 Serv
88. NS8 PJeog ddl penop e Aq pepunouns xoo q dal eu seoe deJ yun ZOd 109 eN 90S dIN 89ul VrOEC INSS Ul xx 1 pioq Service Manual BSM 2300 1 GENERAL Block Diagram 1 1 lug9Auoo 3a 90 A sng 4ajdnoo do a p 1ejdnoo 1do 392 gt 9H3 4 erba a y gt od 9 90 4JOyeIBUS5 punos W 0 2 pus jeseu LOM 5I s H Jeseu Aeg Jeynq sng 0H a eoeuejul dxi d006 dZ yesoy pueog Bojeuy BSM 2300 n da p1eog NIYIN jeeudued ndo NHOOV OISV UEN jeseg MOVLa 1dnu lul soul 129jes diu 10M Jl vep au q9y Bopeuy jeseu UJ0JJ leseu A gt eoepeju p429 VIOINDd lese i sng euBis Ionuoo sng eyeq sng ss ippv sng wejshs urew yo01D WOHud33 8X28 IWVHS 9X4 S usen 9LXIN L eun eeu Ww dnyoeg WV ueisks WOH uu ls S amp WOud3 91 x 479 Kieyyeq Joyoedeg WOH 100g wna jedng n ZHIN Oc 000038 8990IN Ndo ISOH jexoos xnv Sjexoos Jepjoo
89. NTENANCE 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 1 MHz and a sensitivity of more than 10 mV cm Function Generator A function generator with a range of Hz to at least 1 kHz with 1 or better frequency accuracy AX 800P Vital Sign Simulator The simulator outputs simulated waveforms i 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 previous bedside monitors such as BSM 2100 3 101 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 m
90. Replace the roller The supply voltage for thermal array head 24 V DC becomes a lower voltage Replace the REC Power board There is missing dots Faulty thermal array head if the dots are missed at the on the recorded data same position on the paper after the head is cleaned Replace the head Straight line is recorded at the same Faulty thermal array head Replace the head position on the paper There is different contrast between the upper half and lower half of the paper The thermal array head is incompletely attached to the recorder unit Attach the head correctly Service Manual BSM 2300 2 11 2 TROUBLESHOOTING 2 12 Problem Possible Cause Criteria Action The paper speed is unstable and waveform is compressed or extended on time scale Dirty gear or platen roller Clean the gear and platen roller Faulty gear or platen roller Replace the faulty one Unstable turn ofthe 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 rotating sound of the paper drive motor Faulty gear or platen roller Replace the faulty one No recording on the paper The heat sensitive side of the paper is not faced to the thermal array head Load the paper into the magazine correctly Paper other than Nihon Kohden is used Use
91. SERVICE MANUAL BSM 2301A BSM 2301K BSM 2303K BSM 2304A WS 231P QI 231P QI 236P BEDSIDE MONITOR BSM 2300A K Va NIHON KOHDEN 0634 001878B BSM 2301A BSM 2301K BSM 2303K BSM 2304A WS 231P QI 231P QI 236P BEDSIDE MONITOR BSM 2300A K 0634 001878B eujf amp ugno gt P d h VELc rT pP y P B O Model BSM 2300A K Manual code no 0634 001878B Reader Comment Card We welcome your comments about this manual Your comments and suggestions help us improve our manuals Please circle the number for each of the following statements corresponding to your evaluation and add comments in the space provided Fax or send your completed comment card to Fax 81 3 5996 8100 International Div Sales Promotion Section Nihon Kohden Corp 1 31 4 Nishiochiai Shinjuku ku Tokyo 161 8560 Japan Strongly Agree Neutral Disagree Strongly Agree Disagree This manual is organized 1 2 3 4 5 I can find the information want 1 2 3 4 5 The information is accurate 1 2 3 4 5 I can understand the instructions 1 2 3 4 5 The illustrations are appropriate and helpful 1 2 3 4 5 The manual length is appropriate 1 2 3 4 5 Comments Thank you for your cooperation We appreciate it very much Name Occupation Position Hospital Company Address Phone CONTENTS Contents EMG Related
92. The shield cover and battery cable are included MAIN board holder MAIN board shield cover Earth spring Battery 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 ECG input socket Analog board plastic cover Analog board insulation sheet ECG shield sheet SpO shield sheet small for UR 3612 SpO shield sheet small for UR 3712 SpO shield sheet large Spacer bolt NIBP amp Hall Sensor boards The components such as pump valves and tubes are included NIBP board Hall sensor board NIBP pump Electromagnetic valve large dia Electromagnetic valve small dia Pump holder Sponge This replacement is necessary in the pump replacement Valve holder 1 NIBP main tube M Silicon tube Plastic elbow tube NIBP socket NIBP socket holder Plastic tee tube Air filter Check valve NIBP main tube S Valve holder 2 Flat cable between NIBP and MAIN boards Fuse AC inlet socket Power supply unit SM04 4 0 B BHS 1 XHP 7 W40 PCMCIA LJ D Ll L1 U D I IIIILSLR 04VF S285
93. a key or data on the screen changes 14 Record key Press to start or stop recording 15 Out of paper lamp Blinks when out of paper Lights when paper magazine is open Service Manual BSM 2300 1 GENERAL Left Side Panel BSM 2301 A K and BSM 2303K TEMP socket Connects to the temperature probe cord PRESS 1 socket Connects to the IBP connection cord Not available on BSM 2301 Refer to Warning and Caution in the General N Safety Information section Multi parameter socket Connects to the connection cord of the parameter to be monitored IBP PRESS for BSM 2301 PRESS 2 for BSM 2303 CO or respiration by thermistor method The type of parameter is automatically recognized SpO socket Connects to the SpO connection cord ECG RESP socket Connects to the ECG connection cord Battery box For the optional battery pack TEMP socket Connects to the temperature probe cord PRESS 1 socket Connects to the IBP connection cord Not available on BSM 2301 NIBP socket Connects to the air hose Without optional WS 231P recorder module 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 PRESS 2 for BSM 2303 CO2 or respiration by thermistor method The type of paramet
94. aasssa 1 8 lucide 1 9 Multi parameter Ampliflier TT rakinaman naaraana 1 9 Invasive Blood Pressure IBP c ccccccssseceeceaeseccecceeesecectaeseeeecsaaneeeeeeaees 1 9 Respiration Thermistor method sssssseseeeennmeenenene 1 9 Expired Carbon Dioxide Tension CO2 1 10 TEeDdgrapli zucca curet ncau e ok abuka nanta Fa ug ra cuve deuda v ern uns 1 10 Vital SIQMS EISi M seis i tenesiets aai anneett indian isis terete dees 1 10 Recorder Module optional WS 231P 1 10 Interface optional Q lE2391P u k uuu aasma nanaq aqhappawa asqkunswaquwbuqaqkisyapaqaaaq 1 11 Interface optional QI 286P u L L u ana iaaii aaiae 1 11 External Output g s m 1 11 Power Requirement U eene nennen nnne u uQ 1 11 elleieqedicinc m 1 12 ipirerni e 1 12 Dimensions and Weight approximate a 1 12 Electromagnetic Compatibility imissek 1 12 Safely Standard sopari aaa htt to eM ois weet ahs nte det POL DU od mes 1 12 COMPOSITION cca T N 1 13 Panel D6SCriptions m 1 14 Service Manual BSM 2300 C 1 CONTENTS Section 2 Section 3 C 2 FROME PRAM MEE 1 14 Left Side 1 16 BSM 2301A K and BSM
95. 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 detected 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 POWER ON CHECK RESULT OPTION HO MS BSH 2300 VERSION CPU PROGRAN Yer 00 24 SUM DCC70E02 Yer 00 24 SUM 30BA3FCC Ver 00 24 SUM DS5ES5065 XXX UIRBNUSTIU CHECK XXX OK LANGUAGE Yer 00 24 SUM AEABDEAF BOOT Yer 01 01 SUM
96. ading 40 lt CO lt 76 mmHg When atmospheric pressure air inspiration no condensation N O anesthetic gas effect Accuracy in using N O anesthetic gas is not guaranteed CO value display update cycle Every 3 s or when alarm is generated Alarm Upper limit range 2 to 99 mmHg in 1 mmHg in 1 steps OFF Lower limit range OFF to 98 mmHg in steps Apnea time OFF 5 to 40 s Trendgraph Trend parameters 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 Trend times 1 2 4 8 and 24h Data sampling time 1 min for 1 2 4 8 hours 3 min for 24 hours Vital Signs List Parameters 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 Number of files in list Periodic vital signs list 120 Entries in vital signs list at NIBP measurement 120 List interval Periodic vital signs list 1 5 15 30 or 60 minutes Vital signs list at NIBP measurement at NIBP measurement Recorder Module optional WS 231P Recording method Thermal array recording Number of channels 3 traces maximum Recording width 246 mm 1 10 Service Manual BSM 2300 Paper speed Recording paper Resolution Dimensions Weight Interface optional QI 231P ECG analog out
97. 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 L43 m Rua F r Er ur WP ialmesrsto N Li VI N X E a Touch the SELECT key or SELECTV key to select the 3 1 OVER PRESS 1 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 32 3 2 OVER PRESS2 Checking the Safety Operation LE 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 a AT ED E ES T m mena sm am sum SR NR T L4 NG N Touch the SELECTT key or SELECTV key to select the 3 2 OVER PRESS2 item
98. aintenance 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 Maintenance Check Items and Schedule External 6 MAINTENANCE 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 Item Check Procedure Action Dirt stain or crack Check that there is no dirt stain and crack on the instrument If the instrument is dirty clean it with a cloth 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 top cover Check that there are no physically damaged switches and key top covers If any switch or key top cover is damaged replace it with a new one Input Conditions Item Check Procedure Action Contact between input socket on the instrument and connector of connec
99. ansmitter to the instrument ZB 800P transmitter is erroneously connected to the instrument Use ZB 900P transmitter The channel for the transmitter is not set at the central monitor or telemetry system Set the channel correctly at the central monitor or telemetry system Faulty transmitter Analog board or MAIN board Replace the faulty transmitter or board with a new one The instrument has no communication with the other bedside monitors and central monitors The optional QI 101P network card is not installed into the instrument Insert the network card into the slot of the instrument completely The network The network card is poorly communicating inserted into the slot of the symbol does instrument Tightly insert the network card into the slot not appear on The network cable such as the screen 10Base T cable is poorly connected between the network card and hub Tightly connect the network cable between the network card and hub The hub connected to the instrument is not turned on or is faulty Turn on the hub Replace the hub with a new one if the problem still exists after the power is turned on The instrument is connected to the hub with 10Base T cross wiring cable The instrument is directly connected to the central monitor with 10Base T straight wiring cable Use the correct wiring 10Base T cable The network cable is faulty Replace th
100. as no IBP board CNO001 for CN601 on Analog board Pin Number Signal Name Signal Description 1 XIO2 IBP board identification 2 IBP2 Blood pressure waveform 3 AEF Analog ground 4 5VAF 5 V supply voltage 5 IBP2 CHK Detection of transducer wire break 6 ROM CLK2 Clock for ROM in connector of connection cord 7 ROM DATA2 Data for ROM in connector of connection cord 8 SW 2 Zero balance switch 9 6VF 6 V supply voltage 10 AEF Analog ground 9 14 Service Manual BSM 2300 Operation Board CN101 for CN0202 on MAIN board 9 CONNECTOR PIN ASSIGNMENT Signal Description Signal Name Pin Number Signal Name Signal Description SILENCE ALARMS key XKEYI 1 11 LED BATCRG Battery charging LED MENU key XKEY4 2 12 LED BATOP Battery power LED HOME key XKEYS5 3 13 LED STBY AC power LED NIBP START STOP key XKEY3 4 14 5V 5 V supply voltage NIBP INTERVAL key XKEY2 5 15 15V 15 V supply voltage Digital ground E2 6 16 Not connected Digital ground E2 7 17 Not connected Digital ground E2 8 18 Not connected Digital ground E2 9 19 Not connected Power switch POWER KEY 10 20 Not connected CN102 for CN103 on Power SW board Pin Number Signal Name Signal Description 1 15V 15 V supply voltage 2 5V 5 V supply voltage 3 POWER KEY Power switch 4 LED STBY AC power LED 5 LED BATOP Battery power LED 6 LED BATCRG Battery charging LED 7 E2 Digital ground 8 E2 Digital ground
101. as shown below pinch Service Manual BSM 2300 3 33 3 DIAGNOSTIC CHECK 3 34 Touch the SELECT key or SELECT key to select the 4 2 NEONATAL item Touch the START key to start the check program The instrument increases the pressure in the dummy cuff up to 200 mmHg 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 Connect the 250 mL dummy cuff and hand bulb pump to the instrument with E the 3 5 m long adult child air hose as shown below AZ 250 ml dummy cuff Touch the SELECT key or SELECTV key to select the 5 PRESSURE HOLD 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 values of the pressure 10 seconds after and pressure 20 seconds after the MEASURE START key is pressed Check that the pressure difference b
102. asssssanhassa 3 11 Hard Key Check E 3 12 TOUCH erede TE 3 13 Sound Check eite ira a A rs sentence Pos suas a cse resa iege 3 14 ALARM INDICATOR Check ccccccccccsecseeceseeseeeeecsecaeeaeeeeeeeeseeeeeeeeeeeeeseeees 3 15 OTHER Che epp 3 16 MEMORY CARD Chek uu lan feces etat deea aae iaa oaa 3 17 Backlight Check retirer aha E eta tosta d en dene s e neret ee 3 18 CRTC Check Menu Items a nnne 3 19 GRAPHIC MEMORY Check and CHARACTER MEMORY Check 3 19 GRAPHIC DRAW GChCK uu asuaka san oa e duae xaxd qu vea rera gp GIG 3 20 CHARACTER DRAW Check 000c0ceeeeeeesescaeeaeeeeeeeeeeeeeeeeeeeeeeeeeseeeeseesees 3 22 IMAGE DRAW GChGeGK oerte rp eei erede tese s treu encor be COE RR yasta 3 24 DPU Check Menu ltems T nnne 3 25 D AADIUST gr 3 25 AD TEST TT T 3 26 ZB I F CHECK e M P 3 27 NIBPChDeCKu eter E tbe en ENIM M MELDE 3 28 DPU ROM Check teilte rnb ha emen Beata cba aa EO 3 38 PPU RAM Nego 3 39 POW I PREG unu un E N 3 40 APU Check Menu ltems ccccceesssscceceeeeeeeceecceecceeceseesseseseeseeeeeesaaaesasseeeeeseeeeeess 3 41 APU RONM GEGCK kuy 1 ayau us m kaykaa paki saqmaq exe 3 41 APU RAM CHECK 2 au e uama aaa adaa yaspan eee ob e bc s 3 42 COM Check Menu ltems a 3
103. cable from Voltages with Digital or the sensor control board as shown below Analog Multimeter 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 Set the 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 45V 6 e9 o U r 150 Q Y N 150 Q MARK VR C je VV 7 1 PAPER VR ol GND CN101 Sensor Control Board 12 pin Connector Service Manual BSM 2300 7 1 Section 8 Replaceable Parts List Bedside Monitor BSM 2900 ciii estet den Pug ees san ee edu es m tcv EEEREN 8 2 Optional Recorder Module WS 231P a 8 8 BG o22P Recorder UNa uy uu e terres E a eared 8 10 QI 231P Interface M RRETEERUNODUE s 8 12 OI 236P Interface uu u S rre tuse issus pez bus pen rev sss
104. cates 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 lt Y jack amp Blood pressure MPX E amp gt A to D converter APU H8S 2633 Thermistor method Multi A respiration amp parameter socket Exciter voltage selector Service Manual BSM 2300 4 7 4 BOARD UNIT DESCRIPTION IBP Board BSM 2301 has 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 x 195 3 Gain Wire beaking detector IBP2_CHK Exciter voltage generator 4 8 Service Manual BSM 2300 NIBP Board 4 BOARD UNIT DESCRIPTION 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
105. cation Receive Transmit 9 8 Service Manual BSM 2300 CN1502 for CN0101 on NIBP board 9 CONNECTOR PIN ASSIGNMENT Signal Description Signal Name Pin Number Signal Name Signal Description CUFF 0 return CUFFO RET 1 2 CUFFI RET CUFF 1 return Over pressure error OVER PRES 3 4 TIME OUT Time out error Inflation interval error SHORT REST 5 6 INT RET INTERVAL return Zeroing signal ZERO 7 8 INST1 Instantaneous recovery 1 Instantaneous recovery 2 INST2 9 10 GAIN Gain select Periodic measurement interval INTERVAL 11 12 CUFFO Measurement mode 0 Measurement mode 1 CUFFI 13 14 BRAKE Pump brake Pump control PUMP 15 16 VALVE3 Valve 3 control Valve 2 control VALVE2 17 18 VALVE1 Valve 1 control A to D control AD TXD 19 20 AD RXD A to D data receive A to D control clock AD SCK 21 22 XADMPO A to D channel select 0 A to D channel select 1 XADMPI 23 24 15V 15 V supply voltage Digital ground E2 25 26 15V 15 V supply voltage Digital ground E2 27 28 E2 Digital ground Digital ground E2 29 30 E2 Digital ground Line frequency detection FREQ 31 32 FREQ Line frequency detection Speaker sound SND 33 34 SND Speaker sound Service Manual BSM 2300 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 Analog Board CN5
106. ck 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 the board is too high e A 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
107. defibrillation 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 Patient Patient leakage leakage current refer current to IEC 60601 1 19 Patient leakage current mains voltage on the applied part 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 Remove the cause if the patient leakage current exceeds one of the maximum values Dielectric strength refer to IEC 60601 1 20 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 Remove the cause if the instrument does not have all the withstand voltages Others Item Check Procedure Action Line voltage Check that the line voltage is within the range of nominal voltage 10 Use only the line voltage within the correct range Connection to other
108. e E ah applyine If there is a big difference check the SpO2 and NIBP connection between the healthy person and P the SpO2 probe and NIBP cuff to a healthy yP instrument and remove the cause person or yourself Check that there is no error on the screen NIBP check when performing the NIBP checks on the Remove the cause if an error occurs Manual Check Menu screen Check that the connection cord is If the socket has no function plug the Multi parameter socket recognized and the related parameter is connection cord into the other multi function displayed when connecting the connection parameter sockets and check which one is cord to the socket wrong connection cord or instrument Check that the blood pressure transducer is zero balanced when connecting the If the transducer is still imbalanced after transducer to the instrument through the zeroing connect the transducer to the other Zero balance of IBP aoe IBP connection cord and pressing ALL multi parameter sockets and check which ZERO key or multi parameter key on the one is wrong transducer or instrument screen CEP Anat tbe alarm mark appears on the If there is anything wrong check the Alarm function screen the alarm indicator works and the I corresponding part alarm sounds when an alarm occurs Check that the specified sensor and If the unspecified sensor or transducer is Transducer ame transducer are used used replace it with the specified one Service
109. e MAIN board with a new one P If the clock stops while the instrument is turned Clock function backup Check abe date nrpu off replace the lithium battery on the MAIN when the power is turned on 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 6 MAINTENANCE Item Check Procedure Action Protective earth impedance refer to IEC 60601 1 18 f Check that the impedance between the protective earth contact and any accessible metal part does not exceed 0 1 Q Remove the cause if the impedance exceeds 0 1 Q Earth leakage current refer to IEC 60601 1 19 Check that the earth leakage current does not exceed 0 5 mArms under normal condition and 1 0 mArms under each single fault condition Remove the cause if the earth leakage current exceeds one of the maximum values Enclosure leakage current refer to IEC 60601 1 19 Check that the enclosure leakage current does not exceed 0 1 mArms under normal condition and 0 5 mArms under each single fault condition Remove the cause if the enclosure leakage current exceeds one of the maximum values Check that the patient leakage current to type CF or
110. e currents for the red LED and infrared LED Probe ID recognition Detects the probe ID and sends the status data to the APU Probe failure detector Detects the short circuit in the probe and sends the status data to the APU 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 K and BSM 2303K or receives the SpO data from the MP 506 Nellcor SpO unit in BSM 2304A Service Manual BSM 2300 4 BOARD UNIT DESCRIPTION Zmanwn inkanunnasnasknkknaananuninkununnanaaknkhunnmawananaaunapannananaunanannnnnhunnnnannqnnhkunnnasusqnkunanmannkinkunannaniyxqnkunanmawananakunsmaspunakhunamannknnhkunananunana Differential amp R IR separator Time division A to D converter M Pulse wave amp multiplexer j probe sels es Light intensity control H8S 2633 Gain control i Probe ID I recognition i Probe failure SpO status signal detector MP 506 In BSM 2304A 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 communi
111. e 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 maximum pressure Safety cuff inflation limiter Cuff inflation time limiter Measurement mode NIBP data display update cycle Measurement completion sound 1 8 50 to 10096 0 30 to 300 beats min 2 digits 80 SpO x 100 3 digits 5096 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 51 to 100 SpO in 1 SpO steps OFF OFF 50 to 99 SpO in 1 SpO steps 1 to 100 0 20 to 250 beats min Adult 2 digits 70 SpO 100 Neonate 3 digits 70 lt 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 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 lt 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 Manual STAT Continuous Periodic 2 2 5 5 10 15 30 min 1 2 4 8 hr interval PWTT PWTT is not avai
112. e network cable with a new one The network card or MAIN board is faulty Replace the faulty network card or MAIN board with a new one Service Manual BSM 2300 Recording Problems 2 TROUBLESHOOTING Problem Possible Cause Criteria Action Recording paper Recording mark Faulty connection between CN104 Check the connection and replace does not feed does not appear on the REC Power board and REC the connection cable with a new properly on the screen Key board or between the REC one if necessary when the record key is pressed Power and REC MAIN boards Faulty REC Key board Replace the REC Key board Faulty REC MAIN board Replace the REC MAIN board Faulty connection between the monitor and recorder module Check the connection Paper magazine open mark appears on the screen Faulty connection between the REC Power board and recorder unit Check the connection and replace the connection cable with a new one if necessary Faulty magazine position sensing micro switch of the recorder unit 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 Out of paper mark appears on the screen Faulty connection between the REC Power board and recorder unit Check the connection and replace the connection cable with a new o
113. eH OML 1 22 1 GENERAL WS 231P Recorder Module pieog JaMod 23H JOMOd 1 p1099H mur Jop1ooeH dco6 OH eoeuelul pepnjoui due Jaded jo 1no 1 p1099H pue youms Ady p1098H p1eog ex O3u pjeog NIVIN O3H uun SoH 00 z INSg NOODVH OISV JepJo2eH ZHIN Oc 9L X LS 9L X Y 9Sc 000238892 INOH ysel INVHS Ndo 1 23 Service Manual BSM 2300 1 GENERAL sJoyeolpul 1371 jndino 1361 pue 994 yoel 953 9IH L jnouio indino 196613 uonoeyoud 10 933 eDejoA 9AISSO2X4 QI 231P Interface sindino 523 40 Bumes Yg YAMS 1q p youms Bojeuy abeyon Ajddns A S n3119 indino JeB6u L 29931100 eWNHOOA 0L00 t994 1000 HAnHO93 0000 191l d JoueAuoo volg q cl 0 34O L NO s Jejpojuoo OJ0IIN ease Duneo J JeuuJoJsuei Jajdnoo ojoug lOje oso ZH 8cL 1exoos 1ndino gog uld S UuoneoiunuJuloo ejep jeas 10 19x9os xtv utd oz oBeyoA Ajddns A S uoneoiunuluJoo ejep jenas 89H jeuBis jeu6ip 19661 10 994 ease Duneoj uoN s tt s OET WSA ou uo 1900S KNV M or Service Manual BSM 2300 1 24 1 GENERAL QI 236P Interface IH 994 Jojejedujo JOjeuiuJosip APA duy JOje oso abeyon Ajddns JA S 19UNOJSUP11 1O g llo0So ZHI v cold V 999LOld Je ojjuoo OJ9IIN JOje ioso ZHIN t n St
114. ect of 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 If the above suggested remedial actions do not solve the problem consult your Nihon Kohden Corporation subsidiary or distributor 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 mark only applies to the BSM 2300K bedside monitor This equipment complies with International Standard IEC60601 1 2 1993 which requires CISPR11 Group 1 Class B Class B EQUIPMENT is equipment suitable for use in domestic establishments and in establishments directly connected to a low voltage power supply network which supplies buildings used for domestic purposes Service Manual BSM 2300 i This page is intentionally left blank Service Manual BSM 2300 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 info
115. ed 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 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 will 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 ALARM SOUNDI ALARM SOUND2 ALARM SOUND3 m p URS BEEF VARIABLE KEY CLICK 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
116. er board cable from the chassis block 5 4 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 Service Manual BSM 2300 55 5 DISASSEMBLY AND ASSEMBLY Replacing the MAIN Board Perform the following procedure after the Removing the chassis block procedure 1 Remove the 5 screws two M2 screws included which secure the MAIN board as shown below 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 5 DISASSEMBLY AND ASSEMBLY 3 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 4 Put the MAIN board beside the chassis block and disconnect the power cable and NIBP cable from the MAIN board Power cable Service Manual BSM 2300 5 7 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 2 screws marked with X which secure the PCMCIA card slot socket 5 8 Service Manual
117. er 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 Z For the optional battery pack With optional WS 231P recorder module Service Manual BSM 2300 1 GENERAL BSM 2304A 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 respiration by thermistor method The type of parameter is automatically recognized PRESS 1 socket Connects to the IBP connection cord SpO2 socket Connects to the SpO2 connection cord ECG RESP socket Connects to the ECG connection cord NIBP socket Battery box Connects to the air hose Without optional WS 231P recorder module For the optional battery pack 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 PRESS 1 socket Connects to the SpO2 connection cord Connects to the IBP connection cord
118. erit nune eR ERR ERE E Rud 5 10 Replacing the NIBP Board ssssssssseeeeeennn mene nnne nnn nnne nnn n nnns 5 12 Replacing the BP Board eterne tau Ee re s 5 eu dex eet oux ka Max AE 5 13 Replacing the Inverter Board LLL L tedio ste teu tu ree deese e tete vae Ete Pep e EE eene d 5 14 Replacing the LCD Unit ssessssssssseseeseeeeene nennen nnne aiaia ennt nnns enne nnns 5 16 Replacing the Lithium Battery JL ua ssa pssqa AAA 5 18 Replacing the Backlight Lamp Unit uuu una tua See eret Peta nt Peta 5 19 Replacing the Battery Pack etre rei L Z asss 5 22 When the Recorder Module is Not Attached to the Instrument 5 22 When the Recorder Module is Attached to the Instrument sss 5 24 Replacing the IO ANALOG OUT or IO CT OUT Board of the Optional Interface 5 26 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 a table 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
119. escription 1 RSTXD Data receive 2 RSRXD Data transmit 3 XRSRTS Request to send 4 XRSCTS Clear to send 5 XRSCD Data set ready 6 RSDTR Data termination ready 7 5 V 5 V supply voltage 8 GND Digital ground 9 SIG Data of ECG or trigger signal CN002 Pin Number Signal Name Signal Description 1 EF Floating ground 2 OUTPUT ECG or trigger output CNO05 Pin Number Signal Name Signal Description 1 R Red output 2 G Green output 3 B Blue output 4 NC 5 VSYNC GND Vertical synchronous signal return 6 RGND Red output return 7 GGND Green output return 8 BGND Blue output return 9 NC 10 HSYNC GND Horizontal synchronous signal return 11 NC 12 NC 13 HSYNC Horizontal synchronous signal 14 VSYNC Vertical synchronous signal 15 NC 9 20 Service Manual BSM 2300 CNO003 Pin Number Signal Name Signal Description 1 NC 2 NC 3 NC 4 NC 5 NC 6 NC 7 SIG Data of ECG or trigger signal 8 RSTXD Data receive 9 XRSRTS Request to send 10 XRSCD Data set ready 11 NC 12 NC 13 NC 14 NC 15 NC 16 5 V 5 V supply voltage 17 GND Digital ground 18 RSRXD Data transmit 19 XRSCTS Clear to send 20 RSDTR Data termination ready CN004 Pin Number Signal Name Signal Description 1 R Red output 2 RGND Red output return 3 G Green output 4 GGND Green output return 5 B Blue output 6 BGND Blue output return 7 VSYNC Vertical synchronous signal 8 VSYNC GND Vertical synchronous signal return 9 HSYNC
120. etween 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 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 2 Touch the SELECT key or SELECT 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 measure 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
121. fic 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 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 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 po
122. fied recording paper is used Yes No Data Backup System setup data is saved Yes No Clock function works properly while the instrument is turned off Yes No 6 8 Service Manual BSM 2300 6 MAINTENANCE Power Power cord and ground lead are not damaged Yes No Instrument is firmly grounded to a dedicated grounding terminal Yes No Fuse is the correct rating Yes No Safety Protective earth impedance is less than prescribed limit Yes No Earth leakage current is less than prescribed limits Yes No Enclosure leakage current is less than prescribed limits Yes No Patient leakage current is less than prescribed limits Yes No Withstand voltages of instrument are prescribed voltage and time limits or more Yes No Others Line voltage is within the range of nominal voltage 10 Yes No Instrument is correctly connected to other equipment Yes No All screws are tight Yes No Service Manual BSM 2300 6 9 Section 7 Adjustment Sensors inthe Recorder Unit u ctr toe rne cerae venus vr due ce de a Ea ede unn 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 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 Adjusting the Output 1 Connect 150 Q resistors to pins 9 and 11 of the 12 pin connector
123. ground 27 N C Not connected 28 N C Not connected 29 DCLK LCD dot clock 30 E2 Digital ground Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT 9 7 9 CONNECTOR PIN ASSIGNMENT CN1401 for rechargeable battery pack Pin Number Signal Name Signal Description 1 VBAT Battery output voltage 2 E2 Ground 3 EDET Battery pack detection signal 4 Th Thermistor output signal CN1501 for CN901 on Analog board Signal Description Signal Name Pin Number Signal Name Signal Description ERC reset XRST ECG 1 2 TXD ECG ECG serial communication Transmit ECG serial communication RXD ECG 3 4 FCLK Clock for floating power Receive 15 V supply voltage 15V 5 6 415V 15 V supply voltage 15 V supply voltage 15V 7 8 5V 5 V supply voltage 5 V supply voltage 5V 9 10 5V 5 V supply voltage Digital ground E2 11 12 E2 Digital ground Digital ground E2 13 14 E2 Digital ground Digital ground E2 15 16 E2 Digital ground Digital ground E2 17 18 XRST H8A APU reset APU mode select signal MODE H8A 19 20 TXD SPO2 SpO2 serial communication Transmit SpO2 serial communication RXD SPO2 21 22 RXD MP MP serial communication Receive Receive Board status 0 DPUSELO 23 24 DPUSEL1 Board status 1 ZB respiration signal ZB RESP 25 26 ZB CNFM ZB recognition signal ZB initialize signal ZB INIT 27 28 ZB RST ZB reset ZB serial communication RXD ZB 29 30 TXD ZB ZB serial communi
124. he 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 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 chl
125. he 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 NETHORKCARD CHECK XXX COHHON RAH CHECK BY HOST BY CARD CHECK ADDRESS WRITE READ ADDRESS WRITE READ MMON RAM CHECK BY HOST 6 To return 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 TEMP OVER THERMISTER NORMAL RETURN Procedure to Start and Exit the BATTERY Check Program 1 To select the 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 has no IBP board KK MULTI PARAMETER UNIT CHECK xxx STATUS 0071 MP1 MP2 MP3 PARAMETER PRESS PARANETER NONE PARAMETER TE
126. 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 key on the screen The CPU of the network card checks the program data of the ROM in the CPU using the check sum method and displays the check result on the following screen XXX NETHORKCARD CHECK XXX CARD ATTRIBUTE ROH CHECK CHECK Pon CHECK SUH gt 5503190E CALCULATED SUM EYSTEM RAM CHECK UH CHECK DARON PHH TTHETK BY CARD UHHUF PHH CHETEK 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
127. ice 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 ECGI 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 ECGI 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 the 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 903 Joyesedwo9
128. ice 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 Leads off Ex IEEE EE E NM ON OFF OW OFF OFF OFF EC61SEL Polarization EC61 EC62 m J w OVER OVER ECG2SEL ri n s DONO A D data TIME CONSTANT Los ECG CAL or ECG INST oF OFF OFF RESP SEL EN RESP IHST wu wr EN OUTPUT Check XXX DUTPUT 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 interface 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 Block Check Program 1 To start the check program press and hold the record key on the recorder module and NIBP INTERVAL key until the moni
129. ime in monitor mode are stored in an error history table that you can view The manual check error history and 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 COPYRIGHT NIHON KOHDEN CORP 2001 If no error is detected the monitor 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 XXK POWER ON CHECK RESULT OK OPTION HO MS BSH 2300 VERSION HEN LANGUAGE Yer 00 24 Yer 00 24 SUM DCC70802 SUM AEABDEAF s BOOT Ver 09 24 Ver 01 01 SUM 30BA3FCC SUM 3CDES440 RPU Ver 00 24 SUM D5E95065 SYSTEM MAKUAL CHECK SYSTEM SETUP INITIALIZE HISTORY MONITOR WODE 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
130. int 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 CLK 4 MHz FM sound gt generator amp 4 2 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 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
131. l 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 1 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 to Battery Service Manual BSM 2300 4 BOARD UNIT DESCRIPTION Analog Board 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 the A to D converters in the floating area as shown below Especially the process such as calculation for the SpO data is done in the floating area and the SpO data goes to the DPU on the M
132. lable on the BSM 2304A monitor Updated every measurement Generated at every measurement completion when set on the SYSTEM SETUP screen Service Manual BSM 2300 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 1 GENERAL 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 0 C to 45 C 32 to 113 F Every 3 s 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 Input impedance 1 MQ 10 Excitor output impedance lt 2 Q 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 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 Respiration Thermistor method Respiration rate c
133. le from the cable of the LCD unit 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 5 14 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 Service Manual BSM 2300 5 15 5 DISASSEMBLY AND ASSEMBLY Replacing the LCD Unit Perform the following procedure after the Replacing the Inverter Board 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 5 16 Service Manual BSM 2300 5 DISASSEMB
134. linking 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 Ds 72 midummy cuff 2 Touch the SELECTT key or SELECT key to select the 6 4 V2 20mmHg 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 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 pneu
135. m 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 have 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 monitori
136. m 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 XXX Do 0000FF7E D4 00000000 RO 002R6002 A4 002A6004 STATUS 00002700 3 6 nt 00000058 O05 OOOOFFFF A1 002A64DE A5 0000A3E2 Program 00009301C 02 0000000R DB 00000000 R2 0021FFDR AG 0021FF98 RccessRd 03 FFFFFFFF 07 00000003 R3 0021FFD8 A7 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 ZERODIVIDE CHKINSTRUCTION TRAPINSTRUCTION PRIVILEGE VIOLATION SPRIOUSINTERRUPT UNDEFINEDAUTO VECTOR UNDEFINED TRAP UNDEFINED USER INT OTHER ERROR OSERROR OTHER CPU ROM WS ROM CPU RAM AID 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
137. matic 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 SELECT key or SELECT 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 ROM CHECK xxx CRC CHECKING PASS COUNT 0000 RETURN This item checks the ROM in the DPU 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 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
138. move the cause Minimum brightness control Check that the waveforms and data do not disappear when the brightness is set to minimum on the screen Remove the cause if the waveforms or data disappear from the screen Check that there is no error on the screen CRTC check when performing the CRTC checks on the Remove the cause if an error occurs Manual Check Menu screen Recorder Item Check Procedure Action 6 4 Waveform and character data on paper Check that the waveform and character data on the paper are clear If the waveform or character data is not clear clean the thermal array head Refer to the operator s manual Recording paper Check that Nihon Kohden recording paper is used If unspecified paper is used replace it with Nihon Kohden specified paper Paper drive check Check that the paper moves at a preset paper speed without snaking Remove the cause if the paper moves abnormally Abnormal sound Check that the motor and gears do not generate abnormal sound Remove the cause if there is abnormal sound Mark detection Check that the mark detection works correctly Remove the cause if the mark detection does not work Recorder check in WS Check mode Check that there is no error on the paper when performing the recorder check in the WS Check mode Refer to Section 3 Replace the MAIN board or other component with a new one according
139. n time is shorter than expected The battery is near the end of its life about 1 year Replace the battery with a new one The battery has had memory effect in which its charge capacity is decreased by frequent incomplete discharging and charging To clear this memory effect fully discharge the battery and then fully charge 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 operational Faulty Power SW board Replace the Power SW board Faulty MAIN board Replace the MAIN board Service Manual BSM 2300 Display Problems 2 TROUBLESHOOTING Problem Possible Cause Criteria Action No display and the backlight does not light Faulty connection between CN0802 on the MAIN board and inverter Check the connections Faulty connection between inverter and LCD unit Check the connections Faulty inverter board Replace the inverter board Faulty backlight lamps Replace the backlight lamps No display but the backlight lights Faulty connection between CN1001 on the MAIN board and LCD unit Check the connection Faulty LCD unit Replace the LCD unit Faulty MAIN board Replace the MAIN board The characters or waveforms are distorted Faulty MAIN board Replace the MAIN board The display is dim and the brightness con
140. ndicator packing Alarm indicator board Alarm indicator board cable Reflector Touch screen Touch screen packing Operation amp Power SW boards Operation board Operation board holder Power SW board Operation board cable Power SW board cable LCD unit LCD unit cable LCD unit holder Insulation sheet between inverter board and LCD unit holder High voltage warning label Spacer bolt for LCD unit EMC spring Metal gasket Spacer bolt for Power SW board Top chassis Spacer bolt for inverter board Inverter board Inverter board cable BSM 2301A BSM 2301K BSM 2303K BSM 2304A NIHON KOHDEN 51021 0400 PHR 4 W180 N010 0550 T341 DF13 20DS 51021 1500 W100 DF13 10DS 1 LCD J 25C W130 LTMO08C351 LCD DF19 30S 1C LCD wsom LCD
141. ne if necessary Faulty paper detector LED and phototransistor assy of the reorder unit 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 Recording can be performed when the paper is manually pulled out after the record key is pressed Faulty connection between the REC Power board and recorder unit Check the connection and replace the connection cable with a new one if necessary Faulty paper drive motor of the recorder unit 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 For page dependent recording such as trendgraph and vital sign list the recording does not start at the top of the page Wrong position of the recording paper in the magazine Load the paper into the magazine correctly Paper other than Nihon Kohden is used Use the Nihon Kohden paper Detector for the black square on the paper is dirty Clean the detector The recorded data such as waveform and grid has a faint part on the paper Work up is adhered to the thermal array head Clean the head Paper other than Nihon Kohden is used Use the Nihon Kohden paper Platen roller has a damage or is deformed
142. ng 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 1 21 ueeJos yono Jexyeedsg Ieueg 1044 pieog MS JeMog pedias 009x 008 jeued u014 a97 L4 peog uonejedo E A 1020S xnv o Jezzng Jenuq q31 480 pJeog dgIN Eon i pieog B JeAud _sngA sosueg Ire gou Bojeuy 1ezzng a J8J 0J10090J91N 4q 8 gelei 1Josu s ies ueeJoS yono a98 J8J 010020J9 A Hel d8IN jddng Jamod is Wed HMd i 1g AecL duing eoepeiul jeseu Jojeoipu wey ouf 0 8 9 EE sna noii WHS 8 XJ ZLS SO os u eed fes JeyonuoooJolN WV 1ejoereuo Sd ACE Josue jddng samog d8IN ioi onuoo a97 VHS ze X n zi SIgl ev oiudeuo OISv 3lude1o yun Ajddng 1amod pieog dal ou sey LO Z I
143. nges 0 to 300 mmHg at SENSOR 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 3 3 DIAGNOSTIC CHECK Check that OK appears on the screen If an error message apeears replcae the NIBP board or pnuematic 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 1 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
144. nhibit Reserve 01 RESVO1 6 16 45V 5 V supply voltage Inhibit Reserve 02 RESV02 7 17 E2 Digital ground Data Transmit RS232C RSTXD 8 18 RSRXD Data Receive RS232C Request to Send RS232C XRSRTS 9 19 XRSCTS Clear to Send RS232C Data Set Ready RS232C XRSCD 10 20 XRSDTR Data Termination Ready RS232C Service Manual BSM 2300 9 5 9 CONNECTOR PIN ASSIGNMENT CNO0802 for Inverter board Pin Number Signal Name Signal Description 1 15V 15 V supply voltage for backlight 2 15V 15 V supply voltage for backlight 3 E2 Digital ground 4 E2 Digital ground 5 BCNT Backlight ON OFF control 6 BCNT PWM Brightness control 7 NC Not connected 8 NC Not connected 9 NC Not connected 10 NC Not connected 9 6 Service Manual BSM 2300 CN1001 for LCD unit Pin Number Signal Name Signal Description 1 E2 Digital ground 2 3 3V 3 3 V supply voltage 3 43 3V 3 3 V supply voltage 4 E2 Digital ground 5 LCDENB LCD enable signal 6 LCD_B2 LCD blue 5 7 LCD Bl LCD blue 4 8 LCD BO LCD blue 3 9 LCD B2 LCD blue 2 10 LCD Bl LCD blue 1 11 LCD BO LCD blue 0 12 E2 Digital ground 13 LCD G2 LCD green 5 14 LCD Gl LCD green 4 15 LCD GO LCD green 3 16 LCD G2 LCD green 2 17 LCD GI LCD green 1 18 LCD GO LCD green 0 19 E2 Digital ground 20 LCD R2 LCD red 5 21 LCD RI LCD red 4 22 LCD RO LCD red 3 23 LCD R2 LCD red 2 24 LCD RI LCD red 1 25 LCD RO LCD red 0 26 E2 Digital
145. not used for calibration but is used to display the accuracy of the two pressure sensors Sensor 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 lt Acceptable Accuracy Range of Sensor 2 at Different Pressure Ranges gt Pressure Range Acceptable Accuracy Range 0 15 mmHg 2 mmHg to 3 mmHg 16 200 mmHg 8 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 A A M L po a N Li 1 N cm 2 Touch the SELECT T or SELECT J 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 ra
146. ntil the cable of the battery pack can be disconnected from the battery cable Service Manual BSM 2300 5 24 5 DISASSEMBLY AND ASSEMBLY 5 Disconnect the battery pack from the battery cable and remove the battery pack from the 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 Insulation sheet Battery pack 9 Fasten the bottom plate to the recorder module with the 4 screws eni 12 d m d Binding head screws Sp 7 Pan head screws with washer Service Manual BSM 2300 5 25 5 DISASSEMBLY AND ASSEMBLY Replacing the IO ANALOG OUT or IO CT OUT Board of the Optional Interface 1 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
147. nual BSM 2300 5 DISASSEMBLY AND ASSEMBLY 6 Fasten the lamp unit with the screw It requires approximately 1 5 kgf torque with a torque controllable screwdriver 7 Firmly attach a piece of the conductive tape to the location shown below without wrinkling it NOTE The right edge of the conductive tape must be placed at the position marked with the circle in the picture The upper edge of the conductive tape must be aligned at the position marked with the arrow 5 21 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 a table 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 Ka x 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 5 22 Service Manual BSM 2300 5 DISASSEMBLY AND ASS
148. nvironment Temperature Humidity Atmospheric pressure 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 Dimensions and Weight approximate Dimensions Weight Electromagnetic Compatibility 253 mm W x 242 mm H x145 mm D 4 7 kg excluding options IEC60601 1 2 1993 Collateral Standard Electromagnetic compatibility Requirement and tests Emissions Safety Standard Safety standard CISPR11 Group 1 Class B IEC 60601 1 1988 Amendment 1 1991 Amendment 2 1995 IEC 60601 1 1 Amendment 1 1992 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 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 SpO gt NIBP Defibrillator proof type CF applied part Defibrillator proof type BF applied pa
149. oride 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 board 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 che
150. ounting range Accuracy Noise Frequency response Time constant Service Manual BSM 2300 mmHg 1 digit 50 mmHg lt IBP lt 100 mmHg 1 1 digit 100 mmHg lt IBP lt 300 mmHg 200 mmHg 1 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 3Hz Every 3 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 0 to 150 breaths min Apnea 5 to 40 s 2 breaths min Within 20 Q Refer to input 3 0 Hz 3 dB 21 58 1 9 1 GENERAL Waveform display Display sensitivity 10 mm 100 Q 20 at x1 sensitivity Sensitivity control x1 4 x1 2 x1 x2 x4 Respiration rate display update cycle Every 3 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 Measuring method Mainstream semi quantitative method TG 900P Measuring range TG 900P 0 to 76 mmHg Warm up time 5 s minimum Response time TG 900P 200 ms typical for steps from 10 to 9096 Detectable respiration rate TG 900P 3 to 60 breaths min Respiration rate counting accuracy 2 breaths min Measuring accuracy TG 900P 4 mmHg 0 CO 40 mmHg 10 re
151. ove the screw marked with arrow 1 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 handle the edges of the backlight lamp unit and holding plate because their edges are sharp and can cause cuts and injuries k A LTM08C251 MERE DS Di 1 1 tin nz E Service Manual BSM 2300 5 19 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 PANEL CONTAINS CUM LCZAL CR vem V eh AC E Ow 5 20 Service Manual BSM 2300 Upper edge Service Ma
152. play 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 Boot ROM System ROM 1 Boot ROM System ROM Program card a rogram pard Pr I 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 array An MC68SECOO00 is used as the host CPU The clock frequency is 20 MHz The host CPU controls the dedicated gate array ASIC Application Speci
153. put 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 External Output ZB 900PK External monitor Power Requirement Line voltage Line frequency Battery pack LOHR 4 3FAUC NK Power consumption Service Manual BSM 2300 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 within 5 V 1 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 HA to 100 mA within 100 ms within 5 V 1 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 Provided Provided BSM 2301A 2304A BSM 2301K 2303K 50 or 60 Hz 2 DC 10 8 to 15 0 V 5 AC BSM 2301 2304 70 VA maximum BSM 2303 DC 40 W maximum internal battery operation 117 V 10 AC 100 to 240 V 10 AC 86 VA maximum 1 GENERAL 1 GENERAL Clock Accuracy At operating temperature 25 C At storage temperature 20 to 60 C Environment Operating environment Temperature Humidity Atmospheric pressure Storage e
154. r and external display Check the connection from the bedside monitor to the external display through this interface The RGB signal requirement of the external display does not match the RGB signal specification of the bedside monitor Select an external display which matches the RGB signal specification of the bedside monitor This interface has a malfunction Replace the IO CT OUT board with a new one When this interface is attached to the bedside monitor the bedside monitor s operation becomes wrong This interface has a malfunction Replace the IO CT OUT board with a new one Service Manual BSM 2300 2 13 Section 3 Diagnostic Check MMTFOCU CTI OM sexy esic ab Lc 3 1 Power On Self Check aa aaasasaasaawaskawa aasma qasasqa aswaa anaa as aaa eaa anais 3 2 Calling Up the DIAGNOSTIC CHECK Screen 3 4 Calling Up the Error History nan nsssasss 3 5 ideo 3 5 System EITO S ziii ee co reise Prin EE Ege epu e rra ee Ee spese o 2x She reve free ue IRE E Pe autein 3 6 Initializing the System sssssssssssssseeeeee nennen eene entree nnne nnns entren nn 3 7 Performing Manual Check and Other Checks nennen 3 8 Calling Up the MANUAL CHECK MENU Screen
155. r and insert it into the socket of the instrument until the connector clicks 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 2301A K has no PRESS1 socket BSM 2304A has 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 cable stopper of the socket on the MAIN board so that the cable is set free e When 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 cable stopper is set to the original position after the cable is properly inserted into the socket Touch screen cable Service Manual BSM 2300 5 3 5 DISASSEMBLY AND ASSEMBLY 6 Remove the 10 screws from the chassis block as shown below lt Right side gt lt Left side gt 7 Slightly lift the chassis block and disconnect the invert
156. rder module 9 2 CNO0205 for CNO02 on REC MAIN board of optional recorder module 9 3 CN401 for power supply unit sirosti essre aea 9 3 CNO0601 for program card or network card 9 4 CNO0701 for touch screen enter herede ci Ree encre pe dede 9 5 CNOSOI AUX SOCKET u 1 ei s eet ttt he E eda te fed tan boxed dde 9 5 CNO0802 for Inverter board 9 6 CN1001 for ECD UMIT seasoned nua repa ceguera ranae bee ortae ono enden 9 7 CN1401 for rechargeable battery pack ssssseeeeee 9 8 CN1501 for CN901 on Analog board sssssseenmn 9 8 CN1502 for CNO101 on NIBP board aaa aus wawa dus ada 9 9 Alarm Indiealopr Boa q EE 9 10 CN0101 for CN0201 on MAIN board u ll a asas asasasaska yaa 9 10 Analog serio pet 9 11 eh kakaSssSusssase 9 11 CN601 for CNO01 on IBP boatd crore certet hte kd eian 9 11 ING U icti etna E E xa tieni ERR cedente iri E 9 12 CN901 for CN1501 on MAIN b ard a uu aaa asas sasaqa 9 12 CN902 for ZB 900P transmitter sesiis aaaea a 9 12 NIBP Bo0ai re 9 13 CN0101 for CN1502 on MAIN Doar siisii 9 13 CN0102 for Hall Sensor board 9 13 CN0103 for line frequency detection coil wire 9 13 CNO0104 for pediatric valve nnns 9 13 CNO0105 for safety circiut valve ssssssssesseneeeennmenneennns 9 13 CNO0106 for PUMP ua erronee cont Eee
157. require the adjustment of the supply voltage to the head The lifetime of the heating elements on the head is 100 million heating times A 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 4 13 4 BOARD UNIT DESCRIPTION Interface Option QI 231P The interface has the IO ANALOG OUT board inside This board consists of the following three blocks yor 523 olH L indino 1986614 10 593 eBeyoA Ajddns 2A 6 SJojeoipur Q31 indino 166611 pue 923 ynoJio jndino Je66u 2993 LLOO W H993 0L00 L993 1000 0 4d4O LANH994 0000 L NO J WJOJSULI 10 e 9SO ZH 8cL sindino 993 104 Bumes ilg YAMS 4q HAHA 8400s 1ndino got Uld G uomneoiunuJuJloo ejep jenas Jo 1ex90s XNV utd oz eBeyoA Ajddns A S lt gt uoieoiunuluioo gep jenas ia ZL OJDIIN youms Boyeuy ease Buneo J SOLOS 00 Z yno gordon JeueAuoo Jejdnoo 4e oJ1u09 oAssoox3 41 1l d vod 1044 oloud INS 9 uo 19x os KNV Hp OL lt g tu K euis 1lBip 166811 10 993 ease Bulleo j uoN Serv
158. rmation 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 Service Manual BSM 2300 iii Explanations of the Symbols in this Manual and Instrument The following symbols found in this manual instrument bear the respective descriptions as given On panel Symbol Description Symbol Description AC operation Data input output On only for a part of instrument Input output terminal Off only for a part of instrument Output terminal Battery operation Alternating current Battery charging Equipotential terminal Alarm suspend Year of manufacture NIBP Serial number NIBP interval IPXA Splash proof equipment NIBP start Watertight equipment NIBP stop Protective earth Menu High voltage Home monitoring screen gt R e e CG xk Oo o C Attention consult operator s manual The CE mark is a protected conformity mark of the European Community The products herewith comply with the requiremen
159. rt 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 IPXO ordinary EQUIPMENT According to the degree of safety of application in the presence of FLAMMABLE ANAESTHETIC MIXTURE WITH AIR ORWITH OXYGEN OR NITROUS OXIDE According to the mode of operation 1 12 Equipment not suitable for use in the presence of FLAMMABLE ANAESTHETIC MIXTURE WITHAIR OR WITH OXYGEN OR NITROUS OXIDE CONTINUOUS OPERATION Service Manual BSM 2300 1 GENERAL Composition BSM 2301A BSM 2301K BSM 2303K BSM 2304A Chassis for BSM 2301A K and BSM 2303K Chassis for BSM 2304A CD 230P CD 232P Power Supply Block for BSM 2301A K and BSM 2303K Power Supply Block for BSM 2304A SC 040R SC 046R Power supply unit included UR 3610 UR 3612 UR 3712 MAIN Board Analog Board for BSM 2301A K and BSM 2303K Analog Board for BSM 2304A UR 3611 Alarm Indicator Board NIBP amp Hall Sensor Boards UR 3643 UR 3644 Operation amp Power SW Boards UR 3681 IBP Board Refer to Section 8 Replaceable Parts List 2BSM 2301A K has no UR 3681 IBP board Recorder Module option WS 231P UR 3615 REC MAIN Board UR 3616 REC Key
160. rts 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 Faulty ECD unit Replace the LCD unit normal No waveform is displayed but the connection Faulty MAIN board Replace the MAIN board No waveform is displayed and the connection cord for each vital sign is not recognized Refer to each vital sign troubleshooting section Refer to each vital sign troubleshooting section Service Manual BSM 2300 2 3 2 TROUBLESHOOTING Sound Problems Problem Possible Cause Criteria Action No sound Faulty connection between CN0107 on the NIBP board and the speaker Check the connection Faulty speaker Replace the speaker Faulty audio circuit on the MAIN board Replace the MAIN board No sound except for a hissing sound Faulty audio circuit on the MAIN board Replace the MAIN board Faulty speaker Replace the speaker The sound is muffled or distorted Something foreign blocks the speaker vents or touches the speaker Remove the foreign matter The speaker is wrongly attached Attach the speaker correctly Key Operation Problems Problem Possible Cause Criteria Action No key on the front panel works Faulty connection between CN101 on the Operation board and CN0202 on the MAIN board Check the connection Faulty MAIN board
161. s 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 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 XXX MEMORY CARD CHECK xxx ATTRIBUTE CHECK O1FFO3FF 31FFIDFF FFFFI4FF OOFF1SFF BATTERY WRITE PROTECT OFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF Service Manual BSM 2300 3 DIAGNOSTIC CHECK MEMORY CARD Check XXX MEMORY CARD CHECK xxx PASS COUNT BANK ADDRESS WRITE READ BANK ADDRESS WRITE READ NL iid ADDRESS BUS CHECK ERROR NL This item checks the 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 R
162. s veel 9 19 CN103 for CNO03 on REC MAIN board 9 19 CN104 for CN201 on REC Key board 9 19 IO ANALOG OUT Board essere ener nne en neret eren enne rennen nennen nnns 9 20 CNOA ges 9 20 CN002 9 20 eno ME 9 20 CNOO0S uns uuu E ct vdctan acct sb Ut LN t 9 21 ono 9 21 IO CT OUT Orio M 9 22 GNO02 E tiere mer ren pode tiene is ena er eric er Sip EH enses 9 22 nuoc Em 9 22 Service Manual BSM 2300 MAIN Board CN0201 for Alarm Indicator board Pin Number Signal Name Signal Description 1 15V 15 V supply voltage 2 RED Red LED cluster control 3 YELLOW Yellow LED cluster control 4 GREEN Green LED cluster control CNO0202 for CN101 on Operation board Pin Number Signal Name Signal Description 1 ALM_SS SILENCE ALARMS key 2 MENU MENU key 3 HOME HOME key 4 NBP_SS NIBP START STOP key 5 NBP IT NIBP INTERVAL key 6 E2 Digital ground 7 E2 Digital ground 8 E2 Digital ground 9 E2 Digital ground 10 POWER KEY _ Power switch 11 LED_BATCHG Battery charging lamp 12 LED BATOP Battery power lamp 13 LED_STBY AC power lamp 14 5V 5 V supply voltage 15 15V 15 V supply voltage Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT 9 1 9 CONNECTOR PIN ASSIGNMENT CN0204
163. screen If the status is not displayed in such condition the MAIN board REC MAIN board or recorder unit will be faulty 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 19200 19200 RTS CTS OK OTR 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 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 YSTEM RAM CHECK UHHUN RAM CHECK MAC ADDRESS gt 00 80 9R 00 7F 03 BY CARD XXX NETHORKCARD CHECK XXX CRRD RTTRIBUTE CRRD RTTRIBUTE MAKER NIHON KOHDEN CORPORATION DIVISION DPC REVISION gt 01 01 VERSION 00 17 TYPE gt LAN SUH gt 5503190E RETURN Procedure to Start the NETWORK CARD Check Program l
164. 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 the 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 Hall sensor board Exciter rd m DC amp gt Pressure Pulse complex MPX sensor gt adj gt detector Gain control mad I T o x MAIN baord Microcontroller NIBP socket v Pump and valve 6 V lt power supply Amp Pressure sensor Offset adj Exciter Pump lt Pump drive circuit lt
165. ssure transducer Replace the blood pressure transducer with a new one 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 Respiration by thermistor method cannot be measured Faulty respiration pickup thermistor probe Replace the pickup with a new one Faulty Analog board Replace the Analog board with a new one Thermistor method respiration waveform has something wrong on the screen Faulty respiration pickup thermistor probe Replace the pickup with a new one Faulty Analog board Replace the Analog board with a new one CO2 cannot be measured Faulty CO2 sensor Replace the CO2 sensor with a new one Faulty CO2 adapter Replace the CO2 adapter with a new one Faulty Analog board Replace the Analog board CO2 measurement data on the screen is wrong Faulty CO2 sensor Replace the CO2 sensor with a new one Faulty CO2 adapter Replace the CO2 adapter with a new one BSM 2301 has no IBP board Service Manual BSM 2300 2 9 2 TROUBLESHOOTING Option Problems 2 10 Problem Possible Cause Criteria Action The instrument does not transmit the patient s data at all with the optional transmitter ZB 900P The transmitter cable is disconnected from the instrument Tightly connect the tr
166. t 8C 1 Bedside Monitor BSNRFE2900 2 aa saa uqa aaa inneren nnns nnn rnns tn nnnts rennes enn rnn nnn 8 2 Optional Recorder Module WS 231P ssessssssssesssseseeeeeene enne eene entree nnns 8 8 RG 922P Recorder Unit aa ssssssssss 8 10 QI 281P Intetface u un eere tectae qe wasaka EEE E EN EEEE EEEa aE aai 8 12 QI 236P Interface tette ee aai Aa a aaa a aaaea 8 13 Section9 Connector Pin Assignment esee sees esee nennen nn 9C 1 MAIN B08IQu uk 9 1 CNO0201 for Alarm Indicator board ssesssseeeneeenenn 9 1 CNO0202 for CN101 on Operation board sissisodan 9 1 CNO0204 for CNOO1 on REC MAIN board of optional recorder module 9 2 CNO0205 for CNO02 on REC MAIN board of optional recorder module 9 3 CN401 for power supply unit sirsenis ausate anao 9 3 CNO0601 for program card or network card 9 4 CNO0701 for touch screen armii asnarin 9 5 CN0801 AUX SOCKet einn tese been EE dus eden ne pedi qasa LEER aka ERN 9 5 CNO0802 for Inverter board ssssssssseseeeeeeneeeneeeen nnne 9 6 CNT1001 for LED Unit uu u uuu ek eaae err eddies adie 9 7 CN1401 for rechargeable battery pack ssssseeee 9 8 CN1501 for CN901 on Analog board sessssenn 9 8 CN15
167. t 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 3 DIAGNOSTIC CHECK Calling Up the MANUAL 1 From the DIAGNOSTIC CHECK screen touch the MANUAL CHECK key CHECK MENU Screen The MANUAL CHECK MENU screen appears 2 To test each item from the MANUAL CHECK MENU screen touch a menu item key 3 To return to the DIAGNOSTIC CHECK screen touch the RETURN key 4 To exit the DIAGNOSTIC CHECK screen and return to the patient monitoring mode touch the MONITOR MODE key XXX MANUAL CHECK MENU XXX CPU CHECK CRTC CHECK COM CHECK GRAPHIC HENORY WS RECORDER CHECK D A ADJUST CHECK HRBRETER HENDRY uL AD TEST GRAPHTC_ORAA HETHORK CARD HARD KEY CHECK 1d ZB I F CHECK i OUCH KEY CHECK ee BATTERY CHECK CHECK THAGE DRAH ULTI PARANETER CHECK UNIT CHECK m E E P E I m Ix ALARM INDICATOR CHECK POWER FREQ OUTPUT CHECK OTHER CHECK MEMORY CARD CHECK ek BACK LIGHT CHECK RETURN POWER FREQ is not used on the BSM 2304A monitor Service Manual BSM 2300 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 xx CPU ROM CHECK xxx PASS
168. t 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 6 1 41 250nnlig SENSOR 2 6 2 2 250nnlig 2 ZERO CALIBRATION 6 3 1 20mmig 3 SAFETY CHECK 6 4 2 20mmig 3 1 0VER PRESS 1 7 AIR LEAK 3 2 0VER PRESS 2 E 30sec 4 INFLATION SPEED 90sec 4 1 ADULT E Diff 4 2 NEONATAL i E 8 AIR CIRCUIT 5 PRESSURE HOLD CUFF PRESSURE 10sec OFFSET 20sec CUFF Diff 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 2 Zero Calibration Checks the zeroing 3 Safety 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 1 Adult Checks the inflation speed with 700 mL dumm
169. tees 9 22 Service Manual BSM 2300 EMC RELATED CAUTION This equipment and or system complies with the International Standard IEC60601 1 2 for electromagnetic compatibility for medical electrical equipment and or system However an electromagnetic environment that exceeds the limits or levels stipulated in the IEC60601 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 if it is interfered with by an emitter source such as an authorized radio station Keep the emitter source such as cellular phone away from the equipment and or system 2 Radio frequency 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 Eff
170. the Nihon Kohden paper Faulty connection between the REC Power board and recorder unit Check the connection and replace the connection cable with a new one if necessary The supply voltage for thermal array head 24 V DC becomes a lower voltage Replace the REC Power board Faulty thermal array head Replace the head Service Manual BSM 2300 QI 231P Interface Problems 2 TROUBLESHOOTING Problem Possible Cause Criteria Action QRS synchronous signal HT is not output but the ECG lamp is lit The output setting is wrong Select the QRS SYNC SIGNAL at the EXTERNAL OUTPUT of the OTHER SETUP items in the SYSTEM SETUP settings Alarm trigger signal is not output but the ECG lamp is lit The output setting is wrong Select the ALARM CRISIS or ALARM CRISIS amp WARNING at the EXTERNAL OUTPUT of the OTHER SETUP items in the SYSTEM SETUP settings ECG analog signal is not Select the ECG ANALOG OUT at the output but the TRIG The output setting is wrong 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 connected to the QI 231P
171. 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 4 key to increase or decrease the brightness 2 To return to the MANUAL CHECK MENU screen at any time touch the RETURN key Service Manual BSM 2300 CRTC Check Menu Items XXX CHARACTER MEMORY CHECK XXX HECKING PATTERN 01 ADDRESS WRITE READ Service Manual BSM 2300 3 DIAGNOSTIC CHECK 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 GRAPHIC MEMORY CHECK XXX PRSS COUNT 0001 CHECKING PATTERN 00 PASS COUNT 0000 ADDRESS WRITE READ BLOCK BANK ADDRESS WRITE READ BLOCK BANK ADDRESS WRITE READ START STOP Tte P ELLEN TT Procedure to Start the GRAPHIC MEMORY Check and
172. tion cord Check that there is good contact between the input socket and connector of the connection cord Remove the cause if there is a poor contact between them Input socket on the instrument or connector of connection cord Visually check that there is no damaged input socket and connector If the input socket or connector is damaged replace it with a new one Electrode lead wire or connection cord Visually check that there is no damage of the lead wire and connection cord If the electrode lead wire or connection cord has a damage replace it with a new one Service Manual BSM 2300 6 3 6 MAINTENANCE Operation Display Item Check Procedure Action 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 function screen works correctly wrong Item Check Procedure Action Crack scratch or dirt Check that there is no crack scratch or dirt on the touch screen If there is a crack or scratch on the screen replace it with a new one If the screen is dirty clean it with a soft cloth moistened with water Display control settings Check that the control settings such as brightness work smoothly If one of the control settings has no function re
173. to the WS Check Mode section Printed date and time check Check that the correct date and time are printed on the paper Remove the cause if the date and time is wrong or not printed Service Manual BSM 2300 Interface 6 MAINTENANCE Item Check Procedure Action Monitoring screen Check that the same screen is displayed on the screen of the external display connected to the bedside monitor through this interface Remove the cause if the monitoring screen is wrong at the external display Check that the signal selected at the the MANUAL CHECK MENU ene trigger EXTERNAL OUTPUT of the OTHER SETUP aps b cause if the selected signal is items in the SYSTEM SETUP settings is output Check that the ECG or TRIG lamp is lit ECG and TRIG according to the selection on the OUTPUT Remove the cause if no lamp is lit lamps Check screen of the COM Check Menu items in i Vital Sign Parameters Item Check Procedure Action Check that ECG respiration blood ressure waveforms their parameters and P ii If there is anything wrong check the Waveform and numeric temperature data are displayed correctly connection between the AX 800P and data and QRS synchronous sound is generated I instrument and remove the cause when connecting AX 800P vital sign simulator to the instrument Check that the displays of SpO2 and NIBP m parameters ar
174. tor control signal 3 MA2 Motor control signal 4 MB2 Motor control signal 5 3 3V 3 3 V supply voltage 6 MOP_5 Magazine open status 7 5V 5 V supply voltage 8 E2 Digital ground 9 SNSONI Paper detection control 10 PEMP 5 Out of paper status 11 SNSON2 Mark detection control 12 MK 5 Mark detection status 9 18 Service Manual BSM 2300 CN102 for recorder unit Pin Number Signal Name Signal Description 1 24V 24 V supply voltage for thermal array head 2 24V 24 V supply voltage for thermal array head 3 E24 24 V ground return 4 E24 24 V ground return 5 5V 5 V supply voltage 6 THM_5 Thermistor data 7 NTHENB Thermal array head enable signal 8 NTHENB Thermal array head enable signal 9 THCLK Serial data transfer clock 10 NTHSTB Thermal array head data strobe signal 11 THDAT Thermal array head serial data 12 E24 24 V ground return 13 E24 24 V ground return 14 24V 24 V supply voltage for thermal array head 15 24V 24 V supply voltage for thermal array head CN103 for CNO03 on REC MAIN board Refer to CN003 for CN103 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 Service Manual BSM 2300 9 CONNECTOR PIN ASSIGNMENT 9 19 9 CONNECTOR PIN ASSIGNMENT IO ANALOG OUT Board CNO01 Pin Number Signal Name Signal D
175. toring screen appears when you turn on the power The SELF TEST PRO No 1 check program is ready for the execution BED 001 RECORDER TEST MODE Sa nal mmHg L ADULI CHILD RESP IMP LLL u ei 50 CC Cs 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 SELF TEST PRO No 2 SELF TEST PRO No 3 gt SELF TEST PRO No 1 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 30 seconds after the NIBP INTERVAL key is pressed The recording starts soon after the black square on the paper is detected SELF TEST PRO No 1 DIP SWITCH SETTING STATUS ON OFF X xX SYSTEM CHECK OK RG 921P version 01 0 1 mn ZINIHON KOHDEN Service Manual BSM 2300 0 5 Hz rectangular waveform 3 DIAGNOSTIC CHECK If an error is found one of the following error codes appears on the paper Error Code Description Action The ROM on the REC MAIN Replace the REC MAIN ROM j board is faulty board with a new one The RAM on the REC MAIN Replace the
176. trol does not make it brighter Battery operation Set the POWER SAVE MODE to OFF on the SYSTEM SETUP screen Dirt on the touch screen inside or outside Clean the surface of touch screen The backlight lamps are near the end of its useful life 50 000 hours of operation Replace the backlight lamps Faulty connection between CN0802 on the MAIN board and inverter board Check the connection Section 3 The Diagnostic Check screen appears in the Faulty Operation board Replace the Operation board monitor mode and OK is displayed at the POWER ON CHECK RESULT Faulty MAIN board Replace the MAIN board The Diagnostic Check screen appears in the monitor mode and an error message is Faulty MAIN board Replace the MAIN board displayed at the POWER ON CHECK RESULT Refer to Power On Self Check in Faulty Analog board Replace the Analog board The screen with a Check Program Running message does not change to the next screen after the power is turned on Interference such as electrostatic discharge temporarily breaks the program data Perform the system initialization cord for each vital sign is recognized Faulty MAIN board Replace the MAIN board Faulty Analog board Replace the Analog board System error information appears at the upper left corner on the screen in the monitor mode Faulty MAIN board Replace the MAIN board and the instrument resta
177. ts of the Medical Device Directive 93 42 EEC y Defibrillation proof type CF applied part Record start stop on the WS 231P recorder module P Defibrillation proof type BF applied part lle Out of paper on the WS 231P recorder module The CE mark only applies to BSM 2301K 2303K monitors Service Manual BSM 2300 On screen Symbol Description Symbol Description Alarm silence with remaining minutes QRS pulse sync mark Alarm off Respiration sync mark Alarm recording off Value out of range Recording Current measuring value Paper magazine open Adjust setting Scroll data me Bo m X Out of paper Touch screen calibration mark f via gt Ed Network communicating Waveform cascaded Others Symbol Description Ni MH Recycle On battery pack Service Manual BSM 2300 Section 1 General iguigerelU erro mec A 1 1 General Information on Servicing a 1 2 Service Policy Service Parts and Patient Safety Checks 1 4 Serice POlCY p c m 1 4 Service Palls 5o tie te tulere a octo iue a Ente i reas ar ccs g 1 4 ai WwI IniEer ROI c M 1 5 SPECI CAT OMGS EE 1 6 Display ua tecnetteskeastatieins ities ai otiiiei irate ais 1 6 le cavities
178. u 5 22 When the Recorder Module is Not Attached to the Instrument 5 22 When the Recorder Module is Attached to the Instrument 5 24 Replacing the IO ANALOG OUT or IO CT OUT Board of the Optional Interface 5 26 MAI ONAN 6C 1 To Be Replaced Periodically Lu uu besar toe Ete coa qe da EE aka 6 1 Regu ired TOOlS u 6 1 Measuring and Test Equipment U U mener 6 2 Maintenance Check Items and Schedule 6 3 cni UE 6 3 Input Conditions cT 6 3 cu O 6 4 DIS PIA I n 6 4 FRO CONG Mee ainsi IMEEM 6 4 liz Lu sha 6 5 Vital Sign Parameters enne nennen nnne entren nnns 6 5 PO 2 usu Dsm u S LD S muru S mu s es 6 6 Data BackUp uuu PR 6 6 OLY MM E 6 7 Gul M 6 7 Service Manual BSM 2300 CONTENTS Seclon 7 Adjustment siicccsssensccsncesesecstectesseediccestecenccdecnccenceecececesieereenens 7C 1 Sensors in the Recorder Unit UU aaa ttem adu e bd Bree Y aa TEE E Ende es 7 1 Adjusting the Output Voltages with Digital or Analog Multimeter TA Section 8 Replaceable Parts Lis
179. ulti parameter socket on the instrument Faulty connection cord Replace the connection cord with a new one Faulty Analog board Replace the Analog board with a new one MPU MODULE ERROR message is displayed The connection between the MAIN board and Analog board is disconnected or faulty if this message always appears even after the instrument is turned off and on again Check the connection Replace the faulty board with a new one if the connection is faulty The Analog board is faulty if this message sometimes appears after the instrument is turned off and on again Replace the Analog board with a new one MPU FAILURE message is displayed Faulty Analog board Replace the Analog board with a new one Invasive blood pressure cannot be measured Faulty blood pressure transducer Replace the blood pressure transducer with a new one 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 CHECK SENSOR message is displayed during the invasive blood pressure measurement Faulty blood pressure transducer Replace the blood pressure transducer with a new one Faulty connection cord Replace the connection cord with a new one Faulty Analog board Replace the Analog board with a new one Invasive blood pressure values are wrong Faulty blood pre
180. y 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 6 Step Deflation Checks the valve operation 7 Air leak Not used 8 Air Circuit Checks that there is 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 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 To return to the MANUAL CHECK MENU screen touch the RETURN key 1 Calibration The Calibration Check program is
181. zation 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 Arrhythmia analysis Analysis method Number of channels VPC counting rate 1 6 8 4 inch TFT type color LCD Non fade moving or non fade fixed 170 4 mm x 127 8 mm 800 x 600 dots BSM 2301A K 5 traces BSM 2303K 2304A 6 traces 25 mm s 50 mm s Respiration and CO low speed 1 56 mm s about 124 mm 5 s 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 and ETCO 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

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