Home

Defibrillator-Service Manual

Contents

1. I Confirm Stop 4 8 Service Manual TEC 7600 7700 4 MAINTENANCE 3 Press the Confirm key The ECG offset is automatically adjusted The new A D value is temporarily saved in memory and displayed in the upper right corner of the screen To stop adjustment press the Stop key To return to the System Maintenance Adjust AD screen press the Exit key Manual adjustment mode Adjust the base line or amplitude of the sine wave on the screen or paper to 2 cm with the Down and Up key You can print the ECG AD screen during adjustment by pressing the record key To stop recording press the record key again The new A D value is temporarily saved in memory and displayed in the upper right corner of the screen 1 Adjust ECG sensitivity 1 Apply a2 mVp p 10 Hz sine wave between lead R RA and L LA 2 Press the Offset key 3 Adjust the base line with the Down and Up key system Haintenance 1 Adjust ECG R D Offset x1 2 x1 0 0 2 2 xd 5 Input 11 Lead 2m 10Hz sin wave ECG p p 2 00 nV 1 WII NA HVA ll 1 1 il I DOM 0 2 Adjust ECG Offset 1 Press the Offset key 2 Adjust the base line with the Down and Up key System Maintenance 1 Adjust ECG Gain x2 2 x4 5 ECG p p 2 20 P Gain Down 0 To return to the System Main
2. 18 150 LETVNI KWNNYILS S IVNI 201 2 leevN3 YN 1 SET VNI T ND 923 20002 110 2 leevN3 B vng SET VNI 110 9 ATSL SM LINN 33030233 YOLOW BI YNI 1022 2 2061 5 0 2010 2 T T NI 9 11 014 14 20 NIVW ONILVONS 2060 2 T S NI 8810 3401 HOSN3S 234 8 E Y NI T SYNI 20 0 2 100 832 4 CH YNI 10 0 2 2 SYNI 18 2 T S NI T PTNI 060 2 9 2 2 9 SeevN23 55 LeevNo 222 2 250 2 i 250 2 X3dv Bssrngj 2 5 8 ATLL AH ZS vna ZS VNI LINN AH 215 418 5 NO1123NNO3 NO31V8 3100vd YN
3. 3 2 7 Removing the Main Board and Terminal 3 2 9 Removing the HV Capacitor and Biphasic HV Unit 3 2 10 Removing the Test Load Board eret extet denn orb 3 2 11 Removing the Speaker eritis e 3 2 12 Removing the Pacer Board 7731 Series 3 2 13 Removing the LCD Unit 252501 50 085 ni a Aiea eit ed ee 3 2 14 Removing the Main Key Board and Key 3 2 15 Removing the Recorder 4444 3 2 16 Removing the Paddle 3 2 17 Removing the Battery 3 2 18 Installing the Optional Unit Generals 3 3 1 Installation Procedure 3 3 2 Installing the VP 761V VC VE Voice Prompt 3 3 3 Operation Check 3 3 3 Installing the QI 762V DSI Interface Board or QI 763V DSI AUX OUT Interface Board MED 3 3 4 Operation ree dE 3 3 4 Installing the AC 761 VA VC VE VK VI 12 Lead ECG Unit 3 3 5 Operation Check ssesssssssseseesseseeeenen nennen nennen nentes nenne 3 3
4. 3 3 3 Operation Check 3 3 3 Installing the QI 762V DSI Interface Board or QI 763V DSI AUX OUT m 3 3 4 Operation Check EE 3 3 4 Installing the AC 761 VA VC VE VK VI 12 Lead ECG 3 3 5 Operation Check 3 3 6 Installing the SG 761VC VE VK NIBP Unit 2 04 3 3 6 Operation CHECK a 3 3 7 Installing the QI 761V ZB Interface Unit 3 3 8 Operation 29 3 3 10 Service Manual TEC 7600 7700 Disassembly TEC 7621 7631 Series YOU MEUM 3 1 1 Warnings Cautions and Notes 3 1 1 FREQUIFOR TOONS x EE 3 1 1 Connection Diagram 7621 7631 3 1 2 Removing the Lower 3 1 4 Removing the Battery Pack sunnere ta cued 3 1 4 Removing the Paddles 3 1 4 Removing the Lower Casing ree ee nei eect eis 3 1 5 Removing the AC DC 3 1 6 Removing The Main atri re ert se E Re A RR 3 1 7 Removing the Main Chassis 1 aos es ioca spas te aN 3 1 7 Removing the Main 3 1 8 Removing the AV
5. 0 2 QOVN YNIJ 251 NI OV c3cg sn 20 97 6Hr20 ZA ATUC GXN liva HW N f rvnd ESe 8N Y39vd ev VND 201 2 015 4 1611 3231 40 LN333802 9 11 014 82060 2 3Lva 5 a o 15 1 15 03719434 SvOCONS V T E IMN AH Service Manual TEC 7600 7700 3 2 2 3 DISASSEMBLY TEC 7721 7731 SERIES CNA226 CNA221 CNA132 CNA131 CNA903 7 A 4 RAO N ad NY NA Wi 04 CNA006 CNA301 CNJ102 TEC 7731 with QI 762V option 3 2 3 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the Lower Casing Removing the Paddles Paddle connector Paddle release knob Battery pack holder cover Memory card slot B Removing the Battery Pack 3 2 4 attery cable Battery pack p Make sure that the power of the instrument is turned off 2 Disconnect the AC power cord from the AC outlet and
6. 3 1 11 Removing the Test Load 3 1 12 REMOVING the Speaker PR Pk bna ed eed add 3 1 13 Removing the Pacer Board TEC 7631 Series 3 1 14 Removing the LCD 40 222 3 1 15 Removing the Main Key Board and Key 3 1 16 Removingithe Recorder erneut e toda cub gp tang deg 3 1 17 Removing thie Paddle ERES 3 1 18 Removing the Battery 3 1 19 TEC 7721 7731 Series Before ota 3 2 1 Warnings Cautions and Notes 3 2 1 Required TOGS 3 2 1 How to IroubleshooOt cia A a 3 2 1 Connection Diagram TEC 7721 7731 Series 3 2 2 Removing the Battery Pack tiere 3 2 4 Removing the Lower Casing sssssssssssesseeeeeeeenmen enne enne nnne nennen nennen 3 2 4 Removing the 3 2 4 Service Manual TEC 7600 700 3C 1 30 2 Removin
7. 2061 2 T ETNI 2010 9 11 11 10 1 0 40 NIVW 9 11 014 ONILVONS 3 dava 2060 5 ATSL SM LINN 33030239 81 YNI 8810 3801 05 35 234 2 T SdNI 20 0 2 evBVNO 10 0 2 10 2 22NI T S NI 60 2 9 22NI Sc un 150 CH YNI 1 ONILVOTS T EYNI a ivan 5 15 1 15 8vOCON2S 319434 Lj NER RE 1 122 2 222 2 E22vN3 150 2 22 2 E SdNI E 1 NJ 31004 TSOvN3 3 WNNYILS X3dv TOYLNOI 5 amold 3l EssrwjFssrwo 12500 LISENS SIE 85485 Tetg an S
8. cide A aiid e Ee dcr kun Fe dede 4 32 Version SGre EMi Mm 4 33 Debug 5 4 33 Check String Screen 22 aix 224242 85 ee 4 34 Memory Dump Screen 4 34 Protocol Analysis Screen nsoni E eE aaa 4 35 Service Manual TEC 7600 7700 4C 1 Card Attribute Screen 4 400 0 00 00 4 35 Periodic Replacement Schedule 4 36 Maintenance Check Sheet 4 37 4C 2 Service Manual TEC 7600 7700 4 MAINTENANCE General Check the following items to keep the instrument in optimal condition You can check each function and adjust the settings of the instrument in the System Maintenance screen The maintenance check sheet is provided at the end of this section Use this sheet to check the instrument after any component is replaced Daily Checks Check the following items every day Refer to Basic Checks in Section 2 of the Operator s manual Discharge check Battery check Recorder check Alarm check Voice check when the optional VP 761V VC VE Voice Prompt Unit is installed Monthly Checks Check the following items once a month Refer to Periodic Check in Section 10 of the Operator s manual External paddles Energy discharge Test Ch
9. N N Description EMC plate LCD EMC sponge LCD chassis assy Socket insulator Paddle socket Paste holder Velcro fastener upper Velcro fastener lower Spacer bolt BSB 356 DISCARGE button K 719 Paddle connector sponge CHARGE button K 719 Adult plate assy Pacing panel for E version Pacing panel for K version Instruction panel for E version Instruction panel for K version Monitoring panel Operation panel for TEC 7721E Operation panel for TEC 7721K Operation panel for TEC 7731E Operation panel for TEC 7731K Operation panel battery for E version Operation panel battery for K version Model label for TEC 7721E Model label for TEC 7721K Model label for TEC 7731E Model label for TEC 7731K PACING RATE control knob PACING OUTPUT control knob Caution label for E version Caution label for K version PACING RATE control rotary switch PACING OUTPUT control volume Energy Mode Select control rotary switch Dripproof sheet 2 Dripproof sheet 1 AC inlet Service Manual TEC 7600 7700 Index Code UR 02471 UR 0249 UR 0253 UR 0250 618298A 618306A YZ 024H9 HV 771V UR 0262 UR 0251 WS 761V 640317 622079 630195 6113 047275 6114 129835 6113 047319 Q NO nm Service Manual TEC 7600 7700 Description Main board Main key board Pacer board TEC 7731 s
10. Examination Safety Device Test Inflation Test Deflation Test Step Deflation Test Air leak Test Air Circuit Test 4 MAINTENANCE Check NIBP Screen You can check the optional NIBP unit function The instrument checks the two pressure sensors safety operation pump valves air leakage and air block in the NIBP unit NOTE Make sure there is no pressure applied on the cuff connector before starting checking The instrument considers the pressure of the cuff connector as 0 mmHg at the start of the check System Maintenance Check NIBP 1 Adjust 2 Exaninat ion 3 Safty Device Test 4 Inflation Test 5 Def lation Test 6 Step Deflation Test 7 Air Leak Test 8 Air Circuit Test Not used Checks the pressure sensors and safety circuit Checks the safety circuit operation pressure limiter and pressure continuous time Checks the time it takes for the inflation pressure to reach the specified pressure For the Adult cuff Checks the inflation speed with 700 mL dummy cuff For the neonate cuff Checks the inflation speed with 72 mL dummy cuff Not used Checks the valve operation Checks that the inflation pressure is held for the specified time Checks that there is no air block To perform the check items prepare the following tools Hand bulb pump manometer Mercury manometer Y branch connector The Y branch connector connects one tube of the dummy cuff to the hand bulb p
11. is as close as possible to 50 W Select 4 DELIVERED ENERGY with the Item key Press the or key so that the delivered energy displayed beside 4 DELIVERED ENERGY is close as possible to 200 J 3 Save each AD value to the flash memory 1 2 3 4 5 Press the Menu key The System Maintenance Adjust AD screen appears Press the Exit key The System Maintenance Menu screen appears Select 1 Configuration with the Item key and press the OK button Select 10 Flash Save with the Item key and press the lt key The setting changes from off to Exec Press the OK button To cancel saving press the Cancel key 4 Exit the System Maintenance screen Service Manual TEC 7600 7700 4 13 4 MAINTENANCE Adjust Battery AD Screen Adjusts the AD values of the voltage and current that are applied to the battery pack System Maintenance 3 ADJUST BATTERY AD INPUT BATTERY VOLTAGE 11 1 AUTO ADJUST 2 BATTERY VOLTAGE 11 53 3 BATTERY CURRENT 1 32A 1 Remove the battery pack from the instrument Make sure that the power is turned off and the AC power cord is disconnected from the instrument and AC outlet before removing the battery 2 Call up the System Maintenance Adjust Battery AD screen 3 Apply 11 5 V from a power supply Red wire Black wire GND 4 Automatic adjustment mode Select 1 AUTO ADJUST with the Item key and press th
12. The defibrillator self discharges the energy during charging In battery operation the battery is almost discharged Operate the defibrillator on AC power and recharge the battery The battery is automatically charged when the defibrillator is connected to AC power Faulty high voltage unit Error code appears on the screen When an error code appears on the screen refer to the Defibrillation table in the Error Code section Cannot switch to synchronized mode Appropriate lead is not selected Change to the appropriate lead You tried to perform synchronized cardioversion with the PADDLE lead but synchronized cardioversion with the PADDLE lead is set to OFF on the Paddle Setup screen On the Paddle Setup screen set the sync by paddle lead to ON Faulty main key board Replace the main key board Faulty main board Replace the main board 0 J is printed on the defibrillation report recording TTR is 15 Q or less Check that the paddles do not touch each other TTR is 255 or more Press the paddles on the patient firmly Service Manual TEC 7600 7700 2 13 2 TROUBLESHOOTING Monitoring ECG Problem Possible Cause Action Dotted lines appear instead of the ECG waveforms An ECG electrode is detached An electrode lead is disconnected from the electrode The ECG connection cable is disconnecte
13. Do not attach pads on the papilla electrodes or medicine on the patient s body Failure to follow this warning causes serious skin burn Fit the pad closely to the body surface so that current flows uniformly through the pad Failure to follow this warning causes serious skin burn or insufficient energy discharge to the heart During charging or discharging do not touch the pads or connectors Failure to follow this warning causes electrical shock to the operator Before discharging confirm that the pads are firmly applied to the chest wall Failure to follow this warning causes serious skin burn or poor energy discharge to the heart 1 GENERAL WARNING continued Do not discharge if the pads overlap each other or if the pads are shorted to each other by anything conductive such as contact gel Failure to follow this warning causes serious electrical burn and poor energy discharge to the heart CAUTION When connecting the pad adaptor to the paddle connector do not bend or damage the connector pin Otherwise energy cannot be discharged to the pads e If the patient s body is wet thoroughly wipe the moisture off the skin so that the pads do not short to each other With Internal Paddles WARNING Always sterilize the internal paddles before use Failure to follow this warning may cause serious infection Pay careful attention to the energy selection when using internal paddles Appl
14. 4 Charged 5 Charging 6 Heasure Complete 7 CPR 8 NIBP Inhibit item On Auto Exit Automatic check mode The sound for each item is generated for I second item by item To start checking select 1 Alarm with the Item key and press the Auto key In 3 QRS the pitch of the QRS sound is automatically changed from 81 to 100 then returned to 81 Manual check mode Select the sound with the Item key and press the On key The sound for each item is generated for 1 second QRS Volume You can change the pitch and volume of the QRS sound with the 4 or T key 4 19 4 MAINTENANCE Check Voice Screen When the optional VP 761V VC VE Voice Prompt Unit is installed the voice prompt can be checked in this screen System Maintenance Check Yoice Use disposable pads Litem On Exit You can manually check the voice prompt by selecting the voice prompt with the Item key then pressing the On key When the Auto key is pressed all voice prompts are checked one by one List of voice prompts Use disposable paddle Connect paddle SYNC Check disposable pads Press CHARGE AED button If no pulse press CHARGE AED button Check patient Stand clear and press DISCHARGE buttons Defibrillation not necessary Check ECG If no pulse start CPR Check pulse Stand clear Defibrillation necessary Check ECG 4 20 Service Manual TEC 7600 7700 Check items Pressure Adjust
15. 993 VAS 4 HTAS UAS 238 7 nao ens X12 use NIVH T X19 Wee 12 CAS 39V1 10A 39N3N3434 A V 430 10 Y3MOd Add Live viaas 13538 13538 24 24 39 2 LIVE NIVW 140d 104100 140d 1NdNI 6 20 NIVH S2 8N A394 K um v9d4 121 1 121 1 AE E UVE A X12 Live anova 1531 11 8 T MS H3M0d W3MOd e93eg an LINN 20 3 93d NIVW HSV14 3 ATOC 8XN l1V8 HU N 3 I 01140 TLveg aun NIVU ANIA 021 HILYIANI 121 HSVI4 30104 852 8N 32310A 924 4 4206 527 6520 WOD 82 82 Id Md d G 8Z 9seg aun SS2 8N W03 923 923 1 43 Service Manual TEC 7600 7700 1 GENERAL This page is intentionally left blank 1 44 Service Manual TEC 7600 7700 Section 2 Troubleshooting How to Troubleshoo
16. Oscilloscope 2 channels or more for input signal 50 mV to 5 V input range 1 10 attenuating probe and 100 MHz or more frequency response characteristic must be provided Power supply Oscillator standard type Digital voltmeter standard type An oscilloscope can be used instead of the digital voltmeter 15 1 GENERAL Important Safety Information General 1 6 DANGER Never use the defibrillator in a flammable atmosphere i e areas with flammable anesthetics concentrated oxygen hyperbaric oxygen or in an environment in which an electrical arc could ignite an explosion Otherwise the defibrillator will explode or fire Never use the defibrillator in a high pressure oxygen medical care tank Otherwise the defibrillator will explode or fire WARNING The defibrillator generates high voltage The defibrillator must only be operated by trained and qualified medical personnel Radiofrequency or Electromagnetic Field Do not use any kind of non essential non patient care device within a radius of 1 meter around the defibrillator The use of non essential non patient care devices that emit radiofrequency or electromagnetic fields may interfere with the operation of the defibrillator by causing noise on the ECG waveform or error messages If a non essential non patient care device is accidentally placed near the defibrillator quickly remove it MRI examination Do not install this defibrilla
17. Press the Menu key The System Maintenance Adjust AD screen appears Press the Exit key The System Maintenance Menu screen appears Select 1 Configuration with the Item key and press the OK button Select 10 Flash Save with the Item key and press the lt key The setting changes from off to Exec Press the OK button To cancel saving press the Cancel key 4 the System Maintenance screen Service Manual TEC 7600 7700 4 MAINTENANCE TEC 7721 7731 Series Defibrillator 4 12 system Maintenance 2 Adjust HV AD SELECT 200J iN 2 CHRRGE RD 3 TTR RD 4 DELIVERED ENERGY WARNING This procedure must be performed when the delivered energy is out of the following range when you check delivered energy with the required delivery checker after replacing the HV capacitor biphasic HV unit Selected energy level Allowable delivered energy range on the delivery checker Required delivery checker for TEC 7700 series defibrillator TEC 7700 Nihon Kohden AX 102V or Dynatec Impulse 4000 The checker must be checked for accuracy and performance every year by its manufacturer or approved electrical safety organization Procedure 1 Check and adjust the charged energy 1 When the Adjust HV AD screen is selected the SELECT 200J message appears on the screen Place the external paddles on the electrode plate of the delivery checker 2 Turn the Ener
18. Instruction panel for C version Instruction panel for E version Instruction panel for K version Monitoring panel Operation panel for TEC 7621C Operation panel for TEC 7631C Operation panel fot TEC 7621E Operation panel for TEC 7631E Operation panel for TEC 7621K Operation panel for TEC 7631K Operation panel battery for C version Operation panel battery for E version Operation panel battery for K version Model label for TEC 7621C Model label for TEC 7631C Model label for TEC 7621E Model label for 7631 Model label for TEC 7631K Model label for TEC 7631K Service Manual TEC 7600 7700 Index 301 302 303 304 305 306 501 502 503 505 506 Code 6113 020401 6113 020393B 6123 015059 6123 014229A 6123 014015 032813 458381A 619501 6114 118161C 6114 124546B 313626 622079 630195 UR 0247 UR 0249 UR 0253 UR 0250 618298A 618306A YZ 024H9 NKL 702 HV 761V UR 0262 UR 0251 WS 761V NKC 4840SA Nm 4 Service Manual TEC 7600 7700 5 REPLACEABLE PARTS LIST Description PACING RATE control knob PACING OUTPUT control knob Caution label for C version Caution label for E version Caution label for K version PACING RATE control rotary switch PACING OUTPUT control volume Energy Mode Select control rotary sw
19. Service Manual 7600 7700 0520 8101 cl 1106 91 MOSN3S 202 1156 1 v52 8n 14014 150 2095 944 1 we 741835 10viuas qvo 1509 104100 NI VU 180d NI Vu X19 WSZ 19013 3100 4 1 223 1 013 dv37 233 Ya 12V1INO2 310444 34 123131 440 Sqv31 3 7w2 1531 71 0H ISNI 21 2323 43M0d 2v 1438 VIS 1y7233 ACER VAS 7 HJAS dase nete 338 2920 LINN 20 2 C 3 nas ens f Add NIVW 1 wet AS 32 110 32 343 3 A V 24 24 330 NO 33MOd MS H3M0d WHS 023 943 121 L 13538 Liver Add 11 8 7 338 K13538 WVS A 218 vu v r de omm v8 4 24
20. 1 30 0 4 PACING RATE control PACING OUTPUT control PACING lamp START STOP key START STOP lamp PULSE lamp Service Manual TEC 7600 7700 External Paddles 4 1 2 3 m 9 4 513 8 T R A N P U E X EE j j A ae A 1 9 4 3 1 E CES 2 3 Left Side Panel Service Manual TEC 7600 7700 WB TUO 1 GENERAL Name CONTACT lamp CHARGE button CHARGE lamp DISCHARGE buttons Name Recording paper exit Door release lever Card slot Card eject button 1 31 1 GENERAL Rear Panel Name 1 AC SOURCE socket 2 Equipotential ground terminal 3 Optional unit connector Bottom Panel Battery pack holder q e d 11131211111 1 32 Service Manual TEC 7600 7700 Composition Standard Components TEC 7621C TEC 7621E TEC 7621K Service Manual TEC 7600 7700 1 GENERAL CY 0006 Upper casing assy for E K version CY 0014 Upper casing assy for C version UR 0249 Main key board UR 0251 Test load board CY 0007 Lower casing a
21. 180 pulse min 200 mA With the fully charged new battery at 0 C the defibrillator can perform Minimum 50 discharges at 270 J 1 25 1 GENERAL At surrounding temeprature 25 C 77 F 3 min month At storage temperatures 20 to 70 C 4 to 158 F 5 min month Environment Operating temperature 0 to 45 C 32 to 113 F Operating humidity to 40 C 30 to 95 relative humidity non condensing 40 to 45 C 30 to 80 relative humidity non condensing Operating atmospheric pressure 70 to 106 kPa Storage temperature 20 to 70 C 4 to 158 F Storage humidity 10 to 95 relative humidity non condensing Storage atmospheric pressure 50 to 106 kPa Electromagnetic Compatibility IEC60601 1 2 1993 IEC61000 3 2 1995 Emissions CISPR11 Groupl Class B Safety Safety standard IEC 60601 1 1988 IEC 60601 1 Amendment 1 1991 IEC 60601 1 Amendment 2 1995 IEC 60601 2 4 1983 IEC 60601 2 30 1995 According to the type of protection against electrical shock Battery power INTERNALLY POWERED EQUIPMENT AC power CLASS I EQUIPMENT According to the degree of protection against electrical shock DEFIBRILLATION PROOF TYPE BF APPLIED PART External paddles disposable pads SpO adapter and CO sensor kit NIBP cuff DEFIBRILLATION PROOF TYPE CF APPLIED PART Internal paddles ECG connection cable According to the degree of protection against harmful ingress of water IPX1 According to the degree of safety of applicationin
22. 3 2 4 Removing the Lower Casing nennen nennen tnter entere 3 2 4 Removing the Paddles 3 2 4 Removing the Lower 5 3 2 5 Removing the AC DC Errat epi e EAE Rune tX ERR RR a A unions 3 2 6 Removing the Main Board 3 2 7 Removing the Main 3 2 7 Removing the Main Board and Terminal Bracket 3 2 9 Removing the HV Capacitor and Biphasic HV Unit 2 3 2 10 Removing the Test Load Board E 3 2 11 Removing the ati UR Le eed ee ied A a 3 2 12 Removing the Pacer Board TEC 7731 Series 3 2 13 Removing the ette 3 2 14 Removing the Main Key Board and Key 3 2 15 Removing the Recorder 3 2 16 Removing the Paddle LOCKS 3 2 17 Removing the Battery uoo ier ex ua exarata arene 3 2 18 Service Manual TEC 7600 700 3 2C 1 This page is intentionally left blank 3 2C 2 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7721 7731 SERIES The procedur
23. Cane 4 Press the OK key to perform the selected item To cancel it press the Cancel key To return to the System Maintenance Menu screen press the Exit key 4 6 Service Manual TEC 7600 7700 Configuration Screen Service Manual TEC 7600 7700 4 MAINTENANCE You can set the several default settings for the instrument system Maintenance Conf igurat ion 1 ER English 2 Telenetry ZH Export 3 Alarm Off Message On 4 Battery Insert Message On 5 12Lead Option Off 5 Pacing Option Off 7 Freeze Function Off 8 Charge Times Clear 9 Default Setting 10 Flash Save 11 Digital Filter To select a setting for 1 Language to 7 Freeze Function 1 Press the Item key to select the item The cursor moves to the next item 2 Select the setting with the lt key and key The setting changes as follow Language Telemetry ZR Alarm Off Message Battery Insert Message 12Lead Option Pacing Option Freeze Function Digital filter Setting English lt gt Japanese lt gt American lt gt Chinese Spanish lt gt French lt gt German c Italian lt gt Norwegian lt gt Finnish Other I to 5 Export gt Domes On Off On Off On Off On Off On Off On Off To perform an item from 8 Charge Time Clear to 10 Flash Save 1 Press the Item key to select the item The cursor moves to the next item 2 Press the key The s
24. Cart tray assembly Battery pack NKB 301V Paste holder kiy 1 37 1 GENERAL YZ 024H3 TEC Accessory set 100V IEC YZ 024H4 TEC Accessory set 200V IEC YZ 024H5 TEC Accessory set 100V AHA YZ 024H6 TEC Accessory set 200V AHA BC 763V BC 763VA AC 761VA 12 lead ECG unit for K version AHA AC 761VC 12 lead ECG unit for C version AC 761VE 12 lead ECG unit for E version AC 761VK 12 lead ECG unit for K version IEC AC 761VI 12 lead ECG unit for K version ECG electrode apron ECG connection cable IEC 3 leads for YZ 04H3 YZ 024H4 ECG connection cable AHA 3 leads for YZ 04H5 YZ 024H6 UR 0255 ECG 12L board for AC 761VA VK UR 02551 ECG 12L board for AC 761VC UR 02552 ECG 12L board for AC 761VE UR 0256 ECG COM board for AC 761VA VE VK UR 02561 ECG COM board for AC 761VC BJ 761VA Patient cable for AC 761VA BJ 761VK Patient cable for AC 761VC VE VK V I BR 906VA Electrode lead for AC 761VA BR 906V Electrode lead for AC 761VC VE VK T TSK 232NK ECG electrode apron for AC 761VI QI 761V ZB interface unit UR 0259 ZR ZB COM board QI 762V DSI Interface unit UR 0254 DSI Float board QI 763V DSI AUX OUT Interface unit i UR 0272 AUX OUT board 1 38 Service Manual TEC 7600 7700 SG 761VC NIBP unit for C version SG 761VE NIBP unit for E version SG 761VK NIBP unit for K version UR 0257 NIBP board VP 761V Voice prompt unit for K version VP 761VC Voice prompt unit for C vers
25. Check NIBP 6 Version Up 5 Operation Time 4 4 10 Check 12 Lead 11 Examination AD Value AD Wave 7 Debug mode 1 Check String 2 Memory Dump 3 Protocol Analyze 4 Card Attribute Service Manual TEC 7600 7700 Default Settings 4 MAINTENANCE The factory default settings are underlined Screen Item Setting Configuration Language Selects the language or country Selection list English Japanese American Chinese Spanish French German Italian Norwegian Finnish Other 1 to 5 Telemetry ZR Select Export Selection list Export Other than Domes channel Domes Channel A1000 to A6000 Alarm Off Message Select to display a message when any of the vital alarm settings is set to off Selection list On Off Battery Insert Message Select On to display a message when the battery is not in the instrument Selection list On Off 12 Lead Option Select when using the optional 12 lead module This option is only available for the TEC 7721 7731 series defibrillator Selection list On Off Pacing Option On For the TEC 763 1 7731 series defibrillators Off For the TEC 7621 7721 series defibrillators Freeze Function Select to enable the freeze function The ECG second trace be frozen when the Alarm setting key is pressed Selection list On Off Char
26. Description 1 107546 1 O ring H 2401 P 9 2 6144 005993A 1 Ground terminal for C version 551734 1 Ground terminal for K E version 3 619582 2 Spacer bolt BSB 322 4 619564 1 Spacer bolt BSB 312 5 619608 2 Spacer bolt BSB 365 6 6111 006519B 1 Main chassis 7 6112 015249C 1 HV unit holder 8 6113 017637D 1 Rubber switch defibrillation 9 6113 041468B 1 HV capacitor holder 10 6113 041495D 1 Battery bracket 11 6113 041521C 1 Energy Mode Select control knob 12 6113 044278A 1 AC DC unit bracket 13 6114 035802A 8 Paddle lock gasket 14 6114 069677A 8 Paddle lock spring K 718 15 6114 118241B 2 HV capacitor bracket 16 6114 118277B 1 Recorder unit bracket 17 6114 118312C 2 LCD sponge 2 18 6114 118321B 1 ZR blank panel 19 6114 118357C 2 HV capacitor sponge 20 6114 118366B 1 Speaker bracket 21 6114 122343A 1 ECG connector board bracket 22 6114 123431B 1 Battery sponge 1 23 6114 124377A 2 Test electrode plate 24 6141 000888B 1 Upper casing 25 6143 011747C 1 Front panel assy 26 6144 011139B 1 Operation panel assy 27 6114 118268C 1 LCD filter 28 6114 125402A 4 LCD gasket 29 6111 006546C 1 Lower casing 30 6113 041548C 1 Blank panel DSI 31 6113 041557C 1 Blank panel NIBP 32 6113 041566C 1 Battery pack holder cover 33 6114 060436 1 Battery pack holder cover screw 34 6114 093614 4 Rubber foot 35 6114 118107B 1 Blank panel gasket NIBP 36 6114 118116B 1 SpO gasket 37 6114 118134C 1 Paddle socket gasket 38 611
27. Removing the Main Board 4 Remove the HV inductor Refer to Removing the HV Inductor 5 Remove the HV capacitor and relay unit Refer to Removing the HV Capacitor and Relay Unit 6 Remove the test load board Refer to Removing the Test Load Board 7 Remove the M3 pan screws with spring washer and remove the paddle lock Paddle lock 3 1 18 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the Battery Connector 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the AC DC unit Refer to Removing the AC DC Unit 3 Disconnect the 51 cable from the main board and relay unit 4 Remove the M3 pan screws with spring washer and remove the battery connector Battery connector 051 Service Manual 7600 7700 3 1 19 3 DISASSEMBLY TEC 7621 7631 SERIES This page is intentionally left blank 3 1 20 Service Manual TEC 7600 7700 Disassembly TEC 7721 7731 Series YOU 3 2 1 Warnings Cautions and Notes 3 2 1 10016 3 2 1 How to Troublesh ot EE 3 2 1 Connection Diagram TEC 7721 7731 Series 3 2 2 Removing tlie Battery Pack eite recreo
28. defibrillator 3 Remove the paddles To remove the paddles press and hold the paddle release knob on the paddle connector and pull the paddle connector toward you CAUTION When removing the paddle do not pull anywhere other than the paddle connector Otherwise the paddle connector or paddle cable may be damaged 4 Remove the memory card if it is inserted CAUTION Make sure that the card eject button is depressed Otherwise the button may be damaged when removing the lower casing and the memory card slot becomes unusable 1 Unscrew the battery holder cover screw and remove the battery pack holder cover 2 Remove the battery cable and pull out the battery pack Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7721 7731 SERIES Remove the nine M4x10 binding head screws with washer and remove the lower Removing the Lower Casing casing 3 2 5 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the AC DC Unit Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the three screws with spring washers to remove the three ground leads 3 Disconnect the CNA052 cable to main unit battery pack and biphasic HV unit from the AC DC unit 4 Pull up the AC DC unit 5 Disconnect the 001 cable from the AC inlet AC DC unit CNAO01 3 2 6 Service Manual TEC
29. setting on the defibrillator Service Manual TEC 7600 7700 2 15 2 TROUBLESHOOTING NIBP Trouble Possible Cause Action The displayed cuff type is not correct The air hose is not connected to the Connect the air hose to the socket cuff socket firmly firmly Cuff inflation pressure is less than 10 The air hose is not connected to the Connect the air hose to the socket mmHg cuff socket properly properly The cuff is not wrapped around the arm or is wrapped too loosely Wrap the cuff around the upper arm The cuff does not inflate when the NIBP START STOP key is pressed The air hose is not connected to the cuff socket Connect the air hose to the socket firmly The cuff hose or air hose may be folded or squeezed Check the cuff hose and air hose Abnormal measurement results are displayed The cuff size is not correct Select the cuff which fits the patient s limb circumference The cuff is not wrapped around the arm correctly Wrap the cuff around the upper arm not too tightly or too loosely NIBP data is not correct because of body movement Prevent the patient from moving during measurement The cuff is touched during measurement Do not touch the cuff during measurement The cuff is not wrapped at the correct position Wrap the cuff at the correct position The cuff is suddenly deflated during inflation The NIBP STAR
30. the Faulty main board Replace the main board communication error between the RTC real time clock and main CPU is detected for one second When the 12 lead ECG unit is Faulty ECG 12L board Replace the ECG 12L board connected the communication between Faulty ECG COM board Replace the ECG COM board the 12 lead ECG unit and main CPU is Faulty main board Replace the main board not performed correctly C511 The sub CPU does not update the data Faulty main board Replace the main board in the DPRAM for one second 2 6 Service Manual TEC 7600 7700 Data Error 2 TROUBLESHOOTING EmorCode Meaning PossibleCause Action Data in the DRAM or flash memory is Faulty DRAM or flash Replace the main board not read out correctly summation memory error When the power is turned on settings in After settings in the System Perform the Flash Save the System Maintenance screen do not Maintenance screen are procedure in the System match the backup data in the flash changed the Flash Save Maintenance screen memory procedure is not performed power down occurs System Setup screen When the power is turned on damaged waveform report data in the flash power down occurs System Setup screen memory is detected Faulty main board Replace the main board Pacing TEC 7631 7731 Series Only ErrorCode Possible Cause P501 P503 P504 P505 P507 P511 Action O P
31. white gt pink gt orange black gt green To return to the System Maintenance Check Hardware screen press the alarm setting key Check Recorder Screen You can check the recorder When 4 Check Recorder on the System Maintenance Check Hardware screen is selected and the OK button is pressed the recorder prints test patterns After all test patterns are printed the System Maintenance Check Hardware screen is displayed NOTE This check uses 2 1 m of recording paper nnnnunnun HHHHHHHHH HHHHHHHHH Service Manual TEC 7600 7700 4 17 4 MAINTENANCE 4 18 Check Time Constant Screen You can check the time constant of the ECG amplifier system Setup Check Time Constant Check 0 32sec at x1 2 Start Gain CAL Exit Automatic check mode When the Start key is pressed the instrument checks the time constant 0 32 and 3 2 by changing the sensitivity 1 2 4 and 1 2 The check result is automatically printed on the paper Stop Exit To stop checking press the Stop key Manual check mode You can check the time constant by printing the calibration waveforms on the paper To apply the calibration waveforms press the CAL key To change the time constant and sensitivity press the Gain key Every time you press the Gain key the time constant and sensitivity change as follows time constant 0 32 s sensitivity 1 2 gt time constant 0 32 s sensitivity
32. x1J 5to 10 J x2J 20 to 360 J 10 Output waveform Edmark single phase pulse across 50 Q Charging time When powered by AC 100V to 240V to 360 J maximum 5 s to 200 J maximum 3 s When powered by 90 of the rated mains voltage to 360 J maximum 5 s When powered by a fully charged new battery at 20 C ambient temperature to 360 J maximum 10 s After 15 discharges at 360 J with a fully charged new battery at 20 C ambient temperature to 360J maximum 10 s Charging display Displays the charged energy value on the screen Synchronized discharge Available From the peak of R wave to the peak of discharge within 60 ms Maximum continuous charge discharge cycles at 360 J 60 cycles 3 cycles per minute with 1 minute cool down period after every 1 minute charge discharge period 15 cycles 3 cycles per minute with no cool down period Current Amps 250 Load resistance 81A 509 58A Delivered energy 360J 1009 37A 0 2 4 6 8 10 Time ms Service Manual TEC 7600 7700 1 23 1 GENERAL TEC 7700 Seies Output energy across 50 Q 2 3 5 7 10 15 20 30 50 70 100 150 200 and 270 J Energy accuracy 27 0 5 3J 41J 5 to 15 J x2J 20 to 270 J 10 Output waveform Biphasic truncated exponential constant power across 50 Q Charging time When powered by AC 100V to 240V to 270 J maximum 5 s to 150 J maximum 3 s When powered by 90 of the rated
33. 24 Loader 00 03 Start up 01 01 IU 16L 01 02 teM Check items Check communication Check the communication between the defibrillator and 12 lead ECG unit Check memory Checks the memory on the 12 lead ECG unit Check Input Unit Check the input circuit on the 12 lead ECG unit To check this item connect the tip of the electrode lead to the input check jig 12 lead ECG unit standard accessory Check Calibration Checks the amplifiers on the 12 lead ECG unit Input check jig Automatic checking mode Press the Auto key All items are checked one by one Manual checking mode Select the item with the Item key and press the OK key Service Manual TEC 7600 7700 4 31 4 MAINTENANCE A D View Screen System Maintenance R D View E Ecg 2 Polarization 3 Charge 4 Battery voltage 5 Battery temperature 6 Recorder temperature 7 Pacing current 8 Field strength 9 Battery current This screen displays each AD value that the main CPU currently receives You can display the A D wave screen for each AD value by selecting the item with the Item key then pressing the Exec key System Maintenance R D View Pacing current setting 11 Discharge 1 12 Discharge 2 13 Relay drive error 14 Monitor error 15 Refference voltage 16 TTR 17 H temperature 0x0024 Ox7 fff Ox7 fff 0 00 1 0 0000 0x0203 0x0000 0x0265 15 0 0145 0 0118 0 0 0000 0 0x0382 0
34. 29 Top Panel TEC 7631 7731 Series Only 1 30 ee 1 31 Left Side 00 nnne nnne 1 31 SPEED DD LISTER 1 32 Bottorri Pariel Russa mda 1 32 COMPOSITION me em 1 33 Standard Components 422514 502222 2 8 A cd hes 1 33 MUONS cene exu AM 1 37 Bo rd Unit Location EL OL LET 1 40 TEC 7600 Series 22 7 nnn 1 40 TEC 7700 Series 2 1 41 Block DiaQram 1 42 TEC 7600 Series 2 1 42 TEC 7700 Series Defibrillator 2 1 43 Section 2 Troubleshooting itte etta tton heimen 2C 1 Howto TOUBDIESNOOE EE 2 1 ErrorCode nav 2 2 Defibrillation NR 2 3 Operation M 2 5 COMMUNICATION PEE ERREUR 2 6 m 2 7 Pacing TEC 7631 7731 Series 2 7 Service Manual 7600 7700 1 CONTENTS Section 3 C 2 12 Lead ECG Meaureme nt 22 000 nennen nennen nre nennen nnns 2 8 Mcr 2 9 Instrument and 9pO CO MeSUFGITIBDL tana ili n Rl aeaa 2 9 NIBP Mesurementu 2 11 12 Lead
35. 3 8 transmitter and secure the ZS connection cable with the two M3 pan screws with spring washers Service Manual TEC 7600 7700 3 DISASSEMBLY INSTALLING THE OPTIONAL UNIT optional unit connector cover Black cable tie M3x8 pan screw with washer and spring washer Ferrite core d White cable tie White cable tie I Opening Service Manual TEC 7600 7700 3 Remove the two M3 pan screws with spring washers and remove the optional unit connector cover 4 Pass the ZS connection cable through the opening and connect the ZS connection cable to the ZR ZB COM board 5 Attach the two white cable ties black cable tie and ferrite core to the ZS connection cable Attach the one white cable tie and black tie beside the ferrite core so that the ferrite core is not moved 6 Run the ZS connection cable between the two bosses on the upper casing so that the ZS connection cable is not damaged by the AC DC unit 7 Attach the optional unit connector cover and secure it with the two M3 pan screws with spring washers 8 Attach the ZS connection cable to the space bolts with the two M3x8 pan screws with spring washers and washers 3 3 9 3 DISASSEMBLY INSTALLING THE OPTIONAL UNIT Cutout Ground lead from 4 Attach the AC DC unit the paddle Connect this ground lead first Before attaching the AC DC unit to the upper casing connect the three ground leads Run the ground lead from the paddle through
36. 7731 Series 1 30 External Paddles ier ett rrt oet ed a 1 31 Side Panel 2 D 1 31 Hear Panel AA EA EUEN E EEA 1 32 Bottom Panel ECL PEE TR 1 32 52525425 EE 1 33 Standard Components ginny 1 33 OPUS 1 37 ee 1 40 TEC 7600 Series Defibrillator 1 40 TEC 7700 Series 1 41 Block 1 42 TEC 7600 Series 22 1 10 1 42 TEC 7700 Series Defibrillator 42 422 2 1 43 Service Manual TEC 7600 7700 1C 1 This page is intentionally left blank 10 2 Service Manual TEC 7600 7700 Introduction This service manual provides useful information to qualified service personnel to Models and Functions series defibrillator referred to as instrument in this service manual in order to effectively use the information in the service manual The information in the operator s manual is primarily for the user However it is manual before starting to troubleshoot service maintain or repair this instrument 1 GENERAL understand troubleshoot service maintain and repair this TEC
37. Defibrilator 2 t rtr eet ent eroe ecu ct neces 5 2 TEC 7721 7731 Series 2 2 5 6 KD 022A m C 5 10 C 4 Service Manual TEC 7600 7700 GENERAL HANDLING PRECAUTIONS This device is intended for use only by qualified medical personnel Use only Nihon Kohden approved products with this device Use of non approved products or in a non approved manner may affect the performance specifications of the device This includes but is not limited to batteries recording paper pens extension cables electrode leads input boxes and AC power Please read these precautions thoroughly before attempting to operate the instrument 1 To safely and effectively use the instrument its operation must be fully understood 2 When installing or storing the instrument take the following precautions 1 Avoid moisture or contact with water extreme atmospheric pressure excessive humidity and temperatures poorly ventilated areas and dust saline or sulphuric air 2 Place the instrument on an even level floor Avoid vibration and mechanical shock even during transport 3 Avoid placing in an area where chemicals are stored or where there is danger of gas leakage 4 The power line source to be applied to the instrument must correspond in frequency and voltage to product specifications and have sufficient current capacity 5 Choose room where a proper grounding facility is avai
38. FIXED and DEMAND mode function is correct 2 2 Yes No Yes No Yes No Yes No Yes Nof Yes No Yes Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes Yes No Yes No Yes Yes No Service Manual TEC 7600 7700 Section 5 Replaceable Parts List TEC 7621 7631 Series 20040000 000 5 2 TEC 7721 7731 Series 0040 0011 5 6 Boe Nerio RERUM 5 10 Service Manual TEC 7600 7700 5C 1 This page is intentionally left blank 5C 2 Service Manual TEC 7600 7700 Service Manual TEC 7600 7700 5 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 5 1 5 REPLACEABLE PARTS LIST TEC 7621 7631 Series Defibrillator Index Code No
39. For the optimum performance of the anti fogging material and correct measurement follow the instructions below Donotuse the airway adapter more than 24 hours Replace the airway adapter if blood sputum or mucus adheres to the transparent film of the airway adapter Do damage the transparent film and do not let dust or chemical solutions contact the transparent film Do not touch the transparent film with your fingers do not wipe it and do not wash it with alcohol or other detergents Replace the airway adapter with a new one every 24 hours Using the airway adapter for longer than 24 hours affects measurement accuracy When the transparent film of the airway adapter becomes dirty replace the airway adapter with a new one instead of cleaning it Attempting to remove the stain touching with fingers or washing with a cleaner damages the transparent film and makes correct measurement impossible 1 GENERAL Alarms Maintenance Storage 1 22 WARNING All alarms except for instrument alarm group 1 are suspended during two minutes alarm suspension CAUTION When the alarm limit is set to OFF there will be no alarm for that limit Be careful when you set the alarm to OFF Alarms about a parameter do not occur until the measurement of the parameter starts WARNING When performing energy discharge test discharge the energy with the paddles kept in the paddle holders
40. I gt time constant 0 32 s sensitivity 2 gt time constant 0 32 s sensitivity 4 gt time constant 3 2 s sensitivity 1 2 time constant 3 2 s sensitivity 1 gt time constant 3 2 s sensitivity 2 gt time constant 3 2 s sensitivity 4 gt To print the check result press the record key on the front panel Service Manual TEC 7600 7700 System Maintenance Check Buzzer 8144 QRS Volume 1 Alarm 2 Key Click 3 QRS 4 Charged 5 Charging 6 Heasure Complete 7 CPR 8 NIBP Inhibit item When 3 QRS 7 CPR and or 8 NIBP Inhibit is selected and the On key is repeatedly pressed each sound may be not heard This is because each sound does not continue for 1 second Service Manual TEC 7600 7700 4 MAINTENANCE Check Memory Screen When the Start key is pressed the instrument checks the flash memory and DRAM During checking the checked capacity is displayed System Maintenance CheckMenory Check Sum Main Flash Voice Flash 12LEAD Falsh Check Read Write RAH Start To start checking press the Start key To stop checking press the Stop key Check Buzzer Screen You can check the sound generated by the instrument When the VP 761V Voice Prompt Unit is installed the voice prompt can be checked in the Check Voice Screen System Maintenance Check Buzzer 81 QRS Volume 1 1 2 Key Click 3 QRS 1
41. TEC 7600 7700 3 CONTENTS Check Key Screen 4 15 CHECK LED STEEN Hr 4 17 Check CD Screen 4 17 Check Recorder Screen iac ecce ER CERRAR ERR EY RR YER EX RR Re RN 4 17 Check Time Constant Screen 040400040202000000 4 18 Check Buzzer Screen 4 19 Check Memory SCreen mmsrnnnararnnnnnarnnnnnnrnnnnnannnnnnarnnnnnnrnnneravnnnnnarnnnnnnrnnnennnnnee 4 19 Check Voice Screen deii to Foe du da 4 20 Check Screen 4 21 Check 12 Lead Screensaver 4 21 AID VIEW Screen 4 32 Operation Time Screen eiae preti an 4 32 Versi n Up Sere efis E 4 33 Debug Mode Screen rrnnonnrnnnnnnrrnnnnnrnnnnnnrnnnnrnvnnnnnannnnennrnnnernnnenennnnenennrnnnnennnenennnnnnenn 4 33 Check String Screen ee bereitet teri baut saves ae 4 34 Memory DUMP Screen Lune 4 34 Protocol Analysis Screen 200000 4 35 Card Attribute Screen 4 35 Periodic Replacement Schedule van 2 Maries ieee eerie aee Le E pe E a ER 4 36 Maintenance Check Sheet 4 37 Section 5 Replaceable Parts List ee 5C 1 TEC 7621 7631 Series
42. a blanket or cloth Otherwise measurement accuracy is affected Turn off the power of cellular telephones small wireless devices and other devices which produce strong electromagnetic interference Otherwise the waveforms and measurements are affected by interference and the displayed data may be incorrect Only use the specified probes Otherwise SpO cannot be monitored properly and instrument performance may be degraded Do not use a probe which is past the expiration date on the package Do not use a damaged or disassembled probe Disposable probes are not sterilized Use the disposable probe only once and for one patient only Do not reuse the disposable probe for another patient It will cause cross infection When the attachment site is wet with blood or when the patient has nail polish on remove the dirt and nail polish before attaching the probe The transmitted light may decrease due to the blood or nail polish and the measurement data may be incorrect If the skin gets irritated or redness appears on the skin by the probe change the attachment site or stop using the probe If the probe is attached to the same limb that is used for NIBP measurement or an IBP catheter the blood circulation at the attachment site is affected and the measurement may not be correct Attach the probe to a limb where the blood circulation is not affected If patient s nail is long cut it or attach the probe to another finger The probe cannot be attached
43. and test Section 36 202 2 Radiated radio frequency electromagnetic fields PATIENT COUPLED EQUIPMENT and or SYSTEMS applicable IMMUNITY test methods are under consideration at SC62A WG13 The 3 V m IMMUNITY level may be inappropriate especially when measuring SpO because physiological signals can be much smaller than those induced by a 3 V m electromagnetic field When measuring SpO various interference may produce false waveforms which look like pulse waveforms SpO value and pulse rate may be measured from these false waveforms causing the alarm to function improperly When installing the monitor avoid locations where the monitor may receive strong electromagnetic interference such as radio or TV stations cellular phone or mobile two way radios 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 Service Manual TEC 7600 7700 iii Conventions Used in this Manual and Instrument Dangers Warnings Cautions and Notes Dangers Warnings cautions and notes are used in this manual to alert or signal the reader to specific information DANGER A danger is used to alert the user to a hazardous situation which will cause death or serious injury 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 u
44. connector is easily damaged 4 Remove the three M3 pan screws with washers and spring washers and remove the main key board 5 Remove the two M3 pan screws with washers and spring washers and remove the key board To remove the Energy Mode Select control knob on the front panel 1 Remove the two allen screws on the Energy Mode Select control knob 2 Remove the knob nut washer and O ring from the rotary switch CNA102 Rotary switch Energy Mode Select control 3 1 16 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the Recorder Unit 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the main chassis and main board Refer to Removing the Main Board 3 Remove the two M3 pan screws with spring washers and pull out the recorder unit Recorder unit Service Manual TEC 7600 7700 3 1 17 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the Paddle Locks WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor HV inductor relay unit paddle socket or paddles of the instrument 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the AC DC unit Refer to Removing the AC DC Unit 3 Remove the main chassis and main board Refer to
45. defibrillator discharge must occur within 60 ms of the peak of the ECG s R wave The TEC 7600 detects the peak of the R wave and effects the discharge within 25 ms of the detected peak of R wave When an external instrument is used to provide the ECG signal it must amplify the ECG signal from the patient 500 1000 times and output the amplified ECG signal to the TEC 7600 within 35 ms of the peak of the R wave so that the overall delay from the peak of the R wave to discharge does not exceed 60 ms If these conditions are not met the cardioversion may be ineffective or may cause ventricular fibrillation The apex posterior placement is not suitable for ECG monitoring or AED analysis The anterior posterior placement is not suitable for defibrillation cardioversion ECG monitoring or AED analysis Use this placement only for pacing CAUTION When performing synchronized cardioversion confirm that the SYNC lamp is lit before every discharge If Sync mode after CV is set to Defib on the System Setup Configuration screen the defibrillator automatically turns to the asynchronous defibrillation mode With External Paddles WARNING Apply contact gel only to the electrode plates of the external paddles If contact gel gets on any other part of the defibrillator it may cause electrical shock to the operator Do not apply contact gel by hand Failure to follow this warning may cause serious electrical burn shock or
46. key board Faulty recorder Faulty main board If the lamp lights when you press the record key check the recorder in the System Maintenance screen Printing is light The recording unit temperature is too Cool the instrument down in a cooler hot place If the trouble is not solved the recorder unit or main board is faulty Replace the recorder unit or main board Battery Problem Possible Cause Action The battery charging lamp is blinking The instrument is too hot Bring the instrument to a cool place When the battery temperature decreases charging resumes After starting battery charging the charging stops neither battery charging lamp nor battery charge complete lamp lights Faulty battery Replace the battery with a new one Charging circuit is not working Replace the main board 2 18 Service Manual TEC 7600 7700 Pacing TEC 7631 7731 Series Only 2 TROUBLESHOOTING Problem Possible Cause Action Although the PULSE lamp is lit pacing pulse does not appear on the ECG Faulty pacer board Replace the pacer board Faulty main board Replace the main board Although the START STOP lamp is lit pacing does not start Pacing energy is set to 0 mA Set the appropriate pacing energy with the PACING OUTPUT control In DEMAND mode selected pacing rate is faster than the patient heart rate Set the pacin
47. lt 90 s When sudden power loss occurs automatic rapid deflation is perofrmed Manual STAT continuous Automatic periodic Adult Upper limit range 15 to 260 mmHg in 5 mmHg steps OFF Lower limit range OFF 10 to 255 mmHg in 5 mmHg steps Neonate Upper limit range 10 to 125 mmHg in 5 mmHg steps OFF Lower limit range OFF 5 to 120 mmHg in 5 mmHg steps Noninvasive Pacing TEC 7631 7731 series only Pacing rate Output current Pacing modes Maximum load resistance External Paddle ND 782VC VE VK Paddle electrode size Paddle cord length Battery Type Capacity TEC 7621 7631 series TEC 7721 7731 series Clock Accuracy Service Manual TEC 7600 7700 40 to 180 pulse min in 10 pulse min steps 8 to 200 mA in 1 mA steps Fixed and Demand Outputs 200 mA across 250 120 mA across 500 Q For adults 70 3 106 3 mm For children 45 3 x 53 3 mm 2 0 m or more Ni MH battery Nominal voltage 12V Rated capacity 2800 mAh With fully charged new battery at 20 C ambient temperature Minimum 70 discharges at 360 J Minimum 150 minutes continuous monitoring Minimum 90 minutes fixed mode pacing 180 pulse min 200 mA With the fully charged new battery at 0 C the defibrillator can perform Minimum 50 discharges at 360 J With fully charged new battery at 20 C ambient temperature Minimum 100 discharges at 270 J Minimum 150 minutes continuous monitoring Minimum 90 minutes fixed mode pacing
48. other injury Service Manual TEC 7600 7700 Service Manual TEC 7600 7700 1 GENERAL WARNING continued Do not grasp the paddle handles with the wet hand or the hand with contact gel attached Failure to follow this warning may cause electrical shock to the operator Apply contact gel to the electrode plates of the external paddles Failure to apply contact gel causes serious skin burn Do not touch the electrode plate or edge of the paddle Failure to follow this warning may cause serious electrical burn shock or other injury When charging or discharging do not touch anything other than the handles Failure to follow this warning causes electrical shock to the operator Before discharging confirm that the paddles are firmly pressed against the chest wall Failure to follow this warning causes serious skin burn or poor energy discharge to the heart Do not perform open discharge into the air This may cause electrical shock to the operator or damage the defibrillator Do not discharge the energy if the paddles are shorted to each other by contact gel Failure to follow this warning causes serious electrical burn and poor energy discharge to the heart CAUTION If the patient s body is wet thoroughly wipe the moisture off the skin so that the paddles do not short to each other Do not discharge when the paddles touch each other This may damage the defibrillator With Disposable Pads WARNING
49. properly to a finger with a long nail Refer to the probe instruction manual for details Be careful when removing the tape from neonatal skin When removing a probe that is taped to the skin do not pull the cable part of the probe because this can damage the probe s cable connection If the Check SpO unit Check SpO probe site SpO probe not working SpO module not working or SpO measurement unstable message appears frequently even when the probe is attached on a site with appropriate thickness the probe is deteriorated Replace the probe with a new one When error messages which indicate faulty probe or SpO adapter appear stop monitoring and replace the probe or SpO adapter with a new one 1 GENERAL CO 1 20 CAUTION continued Do not use the probe over its stated lifetime Otherwise the SpO measurement accuracy cannot be guaranteed Do not use disposable probes for other patients If the probe is dirty with blood or bodily fluids replace it with a new one WARNING When performing defibrillation or cardioversion during CO monitoring with the CO sensor kit remove the sensor from the patient When the sensor cannot be removed do not touch the sensor cable because the discharged energy may cause serious electrical burn shock or other injury With the TG 901T3 CO sensor kit measurements are based on the assumption of no CO gas in the inspiration The CO concentration i
50. the cutout the HV unit or biphasic HV unit so the ground lead is not damaged by the lower casing 5 Attach the lower casing ZS fixing bracket 6 Attach the ZB interface unit 1 Attach the wire cramp to the rear panel of the defibrillator and secure the ZS connection cable with the wire cramp 2 Attach the ZS fixing bracket and transmitter to the rear panel and secure them with the two M3 25 binding head screws M3x25 binding screw Operation Check 1 Connect the AC power cord to the defibrillator and connect the other end of the AC power cord to the AC outlet 2 Turn the Energy Mode Select control to the MONITOR position 3 Check that the LED on the transmitter lights in green 4 Turn the Energy Mode Select control to the OFF position 5 Turn the Energy Mode Select control to the SETUP position while pressing and holding the Silence alarms key 6 Select Configuration with the Item key and press the OK key The System Setup Configuration screen appears 7 Select TEST lead with the Item J or Item T key 8 Select ON with the Select key 9 Turn the Energy Mode Select control to the MONITOR position 10 Select TEST with the ECG lead key 11 Set the channel of the central monitor to the channel of the transmitter 3 3 10 Service Manual TEC 7600 7700 Section 4 Maintenance T 4 1 COCKS acca UE 4 1 emi cm EE 4 1 System Maintenance Screen 4 2 Callin
51. the presence of a FLAMMABLE ANAESTHETIC MIXTURE WITH AIR OR WITH OXYGEN OR NITROUS OXIDE EQUIPMENT not suitable for use in the presence of FLAMMABLE ANAESTHETIC MIXTURE WITH AIR OR WITH OXYGEN OR NITROUS OXIDE Mode of operation Continuous operation with intermittent load Operation at defibrillation mode Continuous operation All operation except above mentioned Monitor Effective display area 115 2 W x 86 4 H mm 5 7 inch Sweep length 97 mm Sweep speed 25 mm s 50 mm s Sensitivity 10 mm 1mV 5 sensitivity x 1 Amplitude limit 40 mm ECG Amplifier 1 26 Service Manual TEC 7600 7700 Input signal Frequency response Input impedance CMRR AC filter Pacing pulse rejection External ECG input sensitivity Heart rate counting range Recorder Paper speed Types of recording Rhythm Recognition Detector 1 GENERAL PADDLE I aVR aVL aVF V AUX Through paddles 0 5 to 20 Hz 3 dB Through ECG connection cable 0 05 to 80 Hz 3 dB at AC filter off AUX 0 05 to 80 Hz 3 dB Through paddles 2100 kQ Through ECG connection cable 25 MQ at 10 Hz ImV AUX 100 kQ 2100 dB against chassis ground at AC filter On Available common with 50 60 Hz ON at 2 20 dB OFF ON OFF 10 mm V 5 sensitivity x 1 Defibrillation or monitoring mode 15 to 300 bpm Pacing mode 15 to 220 bpm Real time delayed ECG waveform recording 50 25 5 mm s Manual recording real time delayed waveform recording r
52. to the cutout portion of the upper casing of the defibrillator Otherwise the connector panel or upper casing may be damaged board M3x6 pan screw with spring washer Connection cable DF13 14S 1 25C W40 DSI interface board M3x6 pan screw with spring washer Front view and washer Operation Check For the defibrillator operation refer to the TEC 7600 or TEC 7700 Operator s manual 1 3 3 4 Connect the AC power cord to the defibrillator and connect the other end of the AC power cord to the AC outlet Turn on the power of the defibrillator Check that no error message is displayed Connect the TG 901T3 CO Sensor Kit or JL 951T3 SpO Adaptor to the connector on the DSI Interface Unit Check that CO or SpO is displayed on the screen the waveforms and measurement data are displayed in dotted line For the CO and SpO measurement refer to the Operator s manual of the TG 901T3 CO Sensor Kit and JL 951T3 SpO Adaptor If not check that the DSI interface board is correctly installed Turn off the power of the defibrillator Service Manual TEC 7600 7700 3 DISASSEMBLY INSTALLING THE OPTIONAL UNIT Installing the AC 761VA VC VE VK VI 12 Lead ECG Unit ECG COM board M3x6 spacer bolt 1 Attach the ECG COM board to the main chassis 4 and secure the ECG COM board with the four ECG COM connection cable KS M3x6 spacer bolts If the another board ha
53. turning the Energy Mode control to the OFF position When any setting in the System Maintenance screen is changed or adjusted perform the Flash Save procedure About the Menu Items There are seven items in the System Maintenance Menu screen Screen Settings I Configuration Changes the settings in the following items Language Telemetry Alarm Off Message Battery Insert Message 12Lead Option Pacing Option Freeze Function Charge Time Clear Default Setting Flash Save Digital filter 2 Adjust AD Changes the A D values for ECG waveform acquisition HV unit and battery charge 3 Check Hardware Checks the operation of the key switches LEDs recorder memories sounds etc 4 AD View Checks the A D values that the main CPU currently receives 5 Operation Time Displays the count of internal and external discharges and operation time 6 Version Up You can update the system program and data 7 Debug mode Displays the characters used in this instrument and checks the flash memory Service Manual TEC 7600 7700 4 3 4 MAINTENANCE System Maintenance Screen Flowchart 1 Configuration 2 Adjust AD 3 Check Hardware 4 AD View 1 Adjust ECG AD 2 Adjust HV AD 3 Adjust Battery AD 1 Check Key Check LED Check LCD Check Recoder Check Time Constant Check Memory Check Buzzer Check Voice 4 an a yR OJN
54. when the left DISCHARGE key on the front panel is pressed Panel Dis R Highlights when the right DISCHARGE key on the front panel is pressed pressed panel is pressed Highlights when the right DISCHARGE key on the sternum external paddle is pressed Shows the type of the connected paddle Displays No Connect when no paddle is connected DSI 1 DSI 2 Displayed when SpO2 adapter or CO2 sensor kit is connected to the left or right SpO2 CO2 connector Displayed when SpO2 adapter and CO2 sensor kit are connected to the SpO2 CO2 connectors Highlights when the alarms setting key 1s pressed then the System Maintenance Check Hardware screen is displayed 4 16 Service Manual TEC 7600 7700 4 MAINTENANCE Check LED Screen You can check the LED function on the instrument The LED lights when the item is selected and On key is pressed When Auto is selected all LEDs are checked and lit one by one System Maintenance Check LED 1 2 Sync 3 Paddle Contact Green 4 Paddle Contact Yellow 5 Paddle Contact Orange 6 Pacing Select 7 Pacing Pulse 8 Recorder 9 Event P Item Exit Check LCD Screen You can check the LCD screen When 3 Check LCD on the System Maintenance Check Hardware screen is selected and the OK button is pressed the screen is displayed in green Every time you press the ECG lead key the screen color changes as follow green gt blue gt
55. when the paddles touch each other This may damage the defibrillator Service Manual TEC 7600 7700 1 15 1 GENERAL Pacing WARNING Do not perform pacing while using an ESU Before using an ESU turn the defibrillator power off and remove disposable pads from the patient Otherwise high frequency energy from the ESU causes abnormal current to flow in the patient and causes serious electrical burn shock or other injury It also damages the defibrillator Always monitor the ECG waveform with the ECG connection cable and ECG electrodes Confirm that there is no artifact on the ECG If there is artifact on the ECG signals other than ECG are misrecognized to be QRS and correct pacing cannot be performed Do not touch the patient during pacing Failure to follow this warning may cause electrical shock During pacing do not touch the pads or connectors Failure to follow this warning causes electrical shock to the operator The pacing rate must be determined by qualified medical personnel based on the heart rate of the patient in a normal state The pacing current must only be increased by qualified medical personnel decision Keep the current intensity as low as possible to minimize pain and discomfort to the patient Failure to follow the following warnings causes serious skin burn Donotattach the pads over ECG electrode Donot attach pads on the papilla or medicine on the patient s body Fitthe p
56. your finger as shown in the expanded illustration Be careful because the film cable connector is easily damaged Remove the two pan screws spacer and CNA005 ground lead connected to the AC DC unit Remove the main board CNA226 CNA221 S CNA052 CNA132 N CNA042 CNA901 CNA019 CNA018 CNA005 3 2 9 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the HV Capacitor and Biphasic HV Unit Biphasic HV unit 3 2 10 WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor biphasic HV unit terminal bracket paddle socket or paddles of the instrument HV capacitor 9 9 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing Remove the AC DC unit Refer to Removing the AC DC Unit Remove the main chassis and main board Refer to Removing the Main Board Make short circuit the two HV capacitor terminals with the short bar which is connected to the ground terminal on the wall with the ground lead Remove the four M3 pan screws with spring washers which secure the HV capacitor to the lower casing and remove the two HV capacitor fixing brackets Remove the cap of the CNA101 and CNA102 wires from the HV capacitor Remove the HV capacitor Pull out the biphasic HV unit NOTE After replacing the HV capaci
57. 0 7700 CO Sensor Kit and Airway Adapter Service Manual TEC 7600 7700 1 GENERAL WARNING Do not use the airway adapter on neonates because the dead space volume of the airway adapter is about 5 cc When using the airway adapter on children or patients with low ventilatory amount the CO may mix in the inspiration due to the airway adapter s dead space volume 5 cc resulting in inaccurate measured values or difficulty in detecting apnea CAUTION The airway adapter is not sterilized and is disposable It can only be used once Do not reuse it for another patient Otherwise it causes cross infection Do not sterilize the airway adapter Safety cannot be guaranteed if the airway adapter is sterilized Use the Nihon Kohden specified airway adapter Secure the CO sensor cable to the respiration circuit so that it is parallel to the floor If the cable is perpendicular to the floor water droplets may get onto the transparent film of the airway adapter and affect the measurement accuracy The transparent film of the airway adapter is coated with the anti fogging material to prevent the moisture of the expiration and inspiration from making the inside of the airway adapter foggy Under the operating environment specified in the TG 901T3 CO sensor kit specifications the anti fogging material works for about 24 hours When this transparent film becomes dirty or is damaged CO cannot be measured correctly
58. 24 392 2 LIVE 1531 11 8 3 AYOWSW HSV 14 98d NIVW AT C 8MN 11 8 HW 3 4 1 NOILdO Lv2 8N 48 d21 YILYIANI 121 32109 8Se9 an 652 8N WOJ 82 32 952 8N 923 Id Md d G SZ 24 4006 82 5820 80 Tel 923 1 42 1 GENERAL TEC 7700 Series Defibrillator 01140 993 aval MA28L UN A28L UN WNNYILS 39V1 lDA HJIH TYNYILXI LINN AH OISVHdIG V T E IMN dY3 AH AMSIe 051 3 H OISVHdIG 01140 24 5 1611 031 403 319434 YOSNIS AM SL SM LINN u3d340238 UIAVAdS TW Tseg aun qvo 1631 MS 108 a37 LS2 EN d8IN 1106 91 YOSNAS 202 61186 1 YOLdVOV 2095 vSca aun 170713 154 943 NIVU mvnas evn 12 1 03 3144 4 923 3100 4 1V074 193130 440 SAv37 993 1V014 y TWD 3AVM 1531 LSNI 21 993 1492 IVILIS
59. 4 118143C 1 ECG connector gasket 39 6114 118295B 1 Battery pack holder cover gasket 40 6114 123449A 2 Battery sponge 2 5 2 Service Manual TEC 7600 7700 5 REPLACEABLE PARTS LIST 5 3 Service Manual TEC 7600 7700 5 REPLACEABLE PARTS LIST Index 41 42 43 44 45 46 47 48 50 51 52 53 101 102 103 104 201 202 203 204 205 206 5 4 Code No 6114 123467A 6114 125581A 6113 041584C 6114 125616A 6114 125652B 6143 011943B 6113 002466 6113 041512C 6113 011607C 6114 053373A 6114 053382A 619591 6114 123948 6114 124493A 6114 124207 ND 611V 6123 015077 6123 014345A 6123 013444C 6123 015041 6123 014185A 6123 013417C 6123 013025C 6123 015068 6123 015086 6123 014265 6123 014309 6123 014113 6123 014122 6123 015032 6123 014381A 6123 013435D 6124 037586 6124 037603 6124 037595 6124 037612 6124 034829A 6124 034847A Q ty u RF a Description HV capacitor sponge Lower casing gasket Inverter board cover EMC plate LCD EMC sponge LCD chassis assy Socket insulator Paddle socket Paste holder Velcro fastener upper Velcro fastener lower Spacer bolt BSB 356 DISCARGE button K 719 Paddle connector sponge CHARGE button K 719 Adult plate assy Pacing panel for C version Pacing panel for E version Pacing panel for K version
60. 4 screws Hex socket driver for 3 mm spacer bolt and nut Allen wrench Tweezers Short bar 3 DISASSEMBLY TEC 7621 7631 SERIES 3 gv ET NI 33n3 d8IN CLIB6 IL MOSNOS 203 61186 1 Connection Diagram TEC 7621 7631 Series zods d 1X3 SS2 8N 923 6 87 1520 ayol 1531 102 2 T SYNI A394 NIVW 101 2 IBI VN2 W34v3ds 1 TY YNI 9520 WO3 923 8520 3210 1 3 6820 4301 82 42 1520 d8IN 2 Isa 1010 2 154 2010 2 520 154 T T ND 0 Anoxnv 110 B 22NI C TVNI S T VNI 3 1 01140 3 1 GYVI HOLIMS AWLOY 5 8 102 2 2 TET VND I T NI 2 923 3 SET VNI 11 11 2 2 ETON 2
61. 5402A 4 LCD gasket 29 6111 006546C 1 Lower casing 30 6113 041548C 1 Blank panel DSI 31 6113 041557C 1 Blank panel NIBP 32 6113 041566C 1 Battery pack holder cover 33 6114 060436 1 Battery pack holder cover screw 34 6114 093614 4 Rubber foot 35 6114 118107B 1 Blank panel gasket NIBP 36 6114 118116B 1 SpO gasket 37 6114 118134C 1 Paddle socket gasket 38 6114 118143C 1 ECG connector gasket 39 6114 118295B 1 Battery pack holder cover gasket 40 6114 123449A 2 Battery sponge 2 42 6114 125581A 1 Lower casing gasket 43 6113 041584C 1 Inverter board cover 5 6 Service Manual TEC 7600 7700 5 REPLACEABLE PARTS LIST 5 7 Service Manual TEC 7600 7700 5 REPLACEABLE PARTS LIST Index 44 45 46 47 48 50 51 52 53 101 102 103 104 201 202 203 204 205 206 301 302 303 304 305 306 501 502 503 5 8 Code No 6114 125616A 6114 125652B 6143 011943B 6113 002466 6113 041512C 6113 011607C 6114 053373A 6114 053382A 619591 6114 123948 6114 124493A 6114 124207 ND 611V 6123 014345A 6123 013444C 6123 014185A 6123 013417C 6123 013025C 6123 014773 6123 014719 6123 014782 6123 014728 6123 014381A 6123 013435D 6124 039414 6124 037033 6124 039405 6124 037042 6113 020401C 6113 020393B 6123 014229A 6123 014015 032813 458381A 619501 6114 118161C 6114 124546B 313626 Q ty e e e e i
62. 6 Installing the SG 761VC VE VK NIBP Unit 2 3 3 6 Operation CHECK 3 3 7 Installing the QI 761V ZB Interface 3 3 8 M 3 3 10 Section 4 Maintenance nnaannaannnannnnnnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 4C 1 General 4 1 EE 4 1 ue niece M 4 1 System Maintenance Screen 4 2 Calling Up the System Maintenance 5 4 2 About the Menu 4 3 System Maintenance Screen 4 4 Default SENGS 4 5 Flash Save Procedure 4 6 Configuration Screen RR 4 7 Adjust AD SGre Mc 4 8 Adjust ECG AD 6 aei ex ee 4 8 Adjust HV AD Screen zich Spe HEISE IRE A ER 4 10 TEC 7621 7631 Series Defibrillator 4 10 TEC 7721 7731 Series Defibrillator 4 12 Adjust Battery AD ipte iet e t adu 4 14 Check Hardware Screen 4 15 Service Manual
63. 7600 7700 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the Main Board Removing the Main Chassis WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor biphasic HV unit terminal bracket paddle socket or paddles of the instrument 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the M3 pan screw with spring washer which secures the paddled socket cables to the main chassis and remove the paddle socket 3 Remove the CNA222 cable which connects the paddle socket and main board from the main board To paddle socket Paddle socket T4 ECG connector board i Nj Service Manual TEC 7600 7700 3 2 7 3 DISASSEMBLY TEC 7721 7731 SERIES To paddle socket 558 red 559 white E Terminal bracket 09 H Red ring CNA904 CNA903 Sternum Apex 3 To biphasic HV unit 3 2 8 Remove the M3 pan screw with spring washer which secures the ECG connector board to the main chassis and remove the ECG connector board Remove the 011 cable which is connected to the ECG connector board Remove the two wires CNA558 and CNA559 wire from the paddle socket and the two wires CNA903 and CAP904 wire from the biphasic HV unit Remove the two M3 pan screws wit
64. 7600 and TEC 7700 important for service personnel to thoroughly read the operator s manual and service This is because service personnel needs to understand the operation of the instrument Functions TEC 7621 TEC 7631 TEC 7721 TEC 7731 Defibrillation External paddles Standard Standard Standard Standard x Internal paddles Option Option Option Option cardioversion Disposable pads Option Standard Option Standard Pediatric electrode assy 44 mm dia Option Option Option Option 3 lead ECG Standard Standard Standard Standard AED function Standard Standard Standard Standard Noninvasive pacing m S Standard mos M Standard SpO2 measurement Option Option Option Option CO2 measurement Option Option Option Option Voice prompt Option Option Option Option 5 lead ECG Option Option Option Option External ECG input Option Option Option Option External ECG output Option Option Option Option Memory card slot Standard Standard Standard Standard NIBP measurement Option Option Option Option 12 lead ECG measurement Option Option Option Option Transmitter Option Option Option Option Service Manual TEC 7600 7700 14 1 GENERAL General Information on Servicing 1 2 Note the following information when servicing the instrument CAUTIONS Safety There is the possibility that the outside surface of the instrument such as the operation keys could be contaminated by contagious g
65. Do not discharge with the paddle released in the air or when the paddles are shorted Failure to follow this warning may cause serious electrical shock and damage to the instrument If defibrillation or cardioversion is necessary during battery test cancel the battery test and operate the defibrillator on AC power Do not use battery power because the battery may have been discharged by the battery test CAUTION Before maintenance cleaning disinfection turn the defibrillator power off disconnect the power cord from the AC outlet and then remove the battery from the defibrillator Failure to follow this caution may result in electrical shock and instrument malfunction Before battery replacement turn off the defibrillator power and disconnect the AC power cord from the defibrillator Otherwise the operator may get an electrical shock Do not disassemble or repair the instrument Disassembly and repair must be performed by qualified service personnel CAUTION To prevent overheating leave the defibrillator lying flat and do not cover it Store the disposable pads in an environment described on the pads package If stored in an environment other than specified the pads become unusable Service Manual TEC 7600 7700 1 GENERAL Specifications Defibrillator TEC 7600 Series Output energy across 50 Q 2 3 5 7 10 20 30 50 70 100 150 200 300 and 360 J Energy accuracy 2 J 0 5 3J
66. ECG Mesurement 220 ended 2 11 11151015 11161018 E 2 12 EcL 2 12 54 LEM 2 13 MONRO Her 2 13 Recording EE 2 18 Bag i A 2 18 Pacing TEC 7631 7731 Series 2000000 00 2 19 DISaSSembiy 3C 1 TEC 7621 7631 Series YOUIB OOM cats EE 3 1 1 Warnings Cautions and Notes 3 1 1 er t 3 1 1 Connection Diagram TEC 7621 7631 3 1 2 Removing the Lower Casing i aodio rere oce ry EE PEL 3 1 4 Removing the Battery 3 1 4 a x dene 3 1 4 Removing the Casing 3 1 5 Removing the AC DC 2 1 000 nennen nennen nnne nnns 3 1 6 Removing the Main Board 3 1 7 Removing the Main Chassis wuss adverbs enters 93 1 7 Removing the Main Board De dier hee diti acne das 3 1 8 Removing the HV Inductor C 3 1 9 Removing the HV Capacitor and Relay 3 1 10 Cable Conn
67. Hg Elapsed Time 0 05 Air Leak 0 OmmHg Start 1 Exit Immediately increase the pressure inside the dummy cuff with the hand bulb pump to about 250 mmHg and pinch the hose of the hand bulb pump When the pressure becomes stable press the Start key to measure the pressure The Start key changes to the Stop key The pressure diffrence between 10 and 20 seconds after the Start key is pressed is displayed in the Air Leak column Check that the Air Leak pressure is within 5 mmHg Ifitis more than 5 mmHg the NIBP board or pneumatic component such as pump valve or tube is faulty 4 27 4 MAINTENANCE Step Deflation Screen Checking Valves 1 and 2 Checking 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 To NIBP socket E ascen 250 ml dummy cuff 2 On the Check NIBP screen select 6 Step Deflation Test with the Item key and press the Exec key The Check NIBP 6 Step Deflation Test screen appears System Maintenance 6 Step Def lat ion Test Valve 2 Open 50ms Valve 1 Open 120ms Valve 2 Open 100ms Cuff Type NORM ADULT CHILD Cuff Type SAFE ADULT CHILD Cuff Press 0 Def lation Press 0 Start Exit 3 Select Valve I Open 50ms with the Item key 4 Immediately increase the pressure inside the dummy cuff with the hand bulb pum
68. IBP 2 Examination screen appears System Maintenance 2 Examination Cuff Type NORM ADULT CHILD Cuff Type SAFE ADULT CHILD Cuff Press NORH 0 Cuff Press SAFE 0 OmmHg Service Manual TEC 7600 7700 Service Manual TEC 7600 7700 4 MAINTENANCE Immediately start pumping the hand bulb pump Stop pumping the hand bulb pump when the pressure reading displayed on the Examination screen comes within one of the above mentioned pressure ranges 0 to 300 mmHg at NORM or 0 to 15 mmHg 16 to 200 mmHg or 201 to 300 mmHg at SAFE Compare the pressure reading displayed on the Examination screen with the pressure reading on the manometer and check that the difference between the two pressure readings is within the acceptable accuracy range Repeat steps 3 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 Safety Device Test Screen Checking the Pressure Limiter and Pressure Continuous Time This screen has the following two check items Checking the Pressure Limiter 1 Connect the manometer and hand bulb pump to the 700 mL 72 mL dummy cuff using a Y branch connector Connect the dummy cuff to the instrument with the 3 5 m long adult or neonatal air hose The adult air hose must be used with the 700 mL dummy cuff and the neonatal air hose must be used with th
69. IE i BAING A BaevN3 TSQVNO a NO21V8 LINN g 2 L TN 0 23 1 7109 AH 1 1 5 ad 1 S 24 2 tiva 8 V VNO 2 E 8 vs rsr 2MN AH 39V110A 8082 3241 OV 3 Service Manual TEC 7600 7700 3 1 2 3 DISASSEMBLY TEC 7621 7631 SERIES CNA226 CNA221 CNA132 MJ CNP555 CNJ101 CNP501 CNJ102 CNP503 lt 2 O TEC 7631 with QI 762V option 3 1 3 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the Lower Casing Removing the Paddles Paddle connector Paddle release knob Battery pack holder cover Memory card slot B Removing the Battery Pack attery cable Battery pack p Make sure that the power of the instrument is turned off 2 Disconnect the AC power cord from the AC outlet and defibrillator 3 Remove the paddles To remove the paddles press and hold the paddle release knob on the paddle connector and pull the paddle connector toward you CAUTION When removing the paddle do not pull anywhere other than the paddle connector Otherwise the paddle connector or paddle cable may be damaged 4 Remo
70. Ind Ctor iecit certet tee edt kd 3 1 9 Removing the HV Capacitor and Relay Unit 3 1 10 Cable Connections of the High voltage 3 1 11 Removing the Test Load Board 3 1 12 Removing the Speaker 3 1 13 Removing the Pacer Board TEC 7631 Series 3 1 14 Removing the LED Unit ete ao 3 1 15 Removing the Main Key Board and Key 3 1 16 Removing the Recorder Umit 2 eaa nte Ex an aed 3 1 17 Removing the Paddle lt lt 3 1 18 Removing the Battery 1 3 1 19 Service Manual TEC 7600 700 31G 1 This page is intentionally left blank 3 1C 2 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7621 7631 SERIES The procedures in this section explain how to remove replace and install major components in the TEC 7621 7631 series defibrillator for TEC 7721 7731 series defibrillator see the next section Before You Begin Warnings Cautions and Notes Required Tools Service Manual TEC 7600 7700 WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor HV induct
71. Interface Unit or QI 763V or DSI AUX OUT Interface DSI AUX OUT Interface Unit Unit CO2 module cable is disconnected from CO2 cable is disconnected from Press the Silence alarm key to disconnected the instrument the QI 762V DSI Interface Unit turn off the message If the or QI 763V DSI AUX OUT message still appears the DSI Interface Unit interface unit or DSI AUX Faulty DSI interface unit or interface unit is faulty Replace DSI AUX OUT interface unit the DSI interface unit or DSI AUX interface unit ERROR AXXX Faulty HV Turn off the instrument then turn ERROR CXXX Communication error on and do the same operation If the ERROR DXXX Faulty ROM RAM message still appears refer to the ERROR KXXX Faulty keys table for each error code ERROR PXXX Faulty pacing unit ERROR TXXX Faulty 12 lead ECG unit FET error The circuit to measure remaining Faulty main board Replace the main board battery charge is faulty High voltage Faulty high voltage monitor circuit Faulty relay unit biphasic HV unit Turn off the instrument then turn monitor error or main board on and do the same operation If the message still appears the relay unit biphasic HV unit or main board is faulty Replace the relay unit biphasic HV unit or main board Service Manual TEC 7600 7700 2 9 2 TROUBLESHOOTING Message Meaning Possible Cause Action Overheating The high voltage charge circuit The instrument disch
72. K version Adult plate assy External paddle assy 1 35 1 GENERAL TEC 7731E TEC 7731K CY 0012 CY 0008 CY 0009 HV 771V UR 02471 UR 0253 UR 0250 UR 0262 WS 761V ND 782VE ND 782VK ti BRAA 1 36 ore Upper casing assy Main key board UR 0251 Test load board Lower cassing assy LCD assy PRE assy Biphasic HV unit UR 0248 T HV drive board Main board Pacer board Key board AC DC unit Recorder unit External paddle for E version External paddle for K version Recorder ND 611V Adult plate assy ND 782X External paddel assy Service Manual TEC 7600 7700 Options Service Manual TEC 7600 7700 JC 761V JC 762V JC 763V ND 612V ND 762V ND 763V ND 764V ND 765V ND 766V ND 767V BC 763V BC 763VA BC 765V BC 765VA JC 755V JC 765V KD 022A DI 001A lt lt NI IN BR I co 1 GENERAL External ECG cable Connection cable Connection cable Pediatric electrode 44 mm Internal paddle electrode 25 mm Internal paddle electrode 35 mm Internal paddle electrode 45 mm Internal paddle electrode 55 mm Internal paddle electrode 65 mm Internal paddle electrode 75 mm ECG connection cable IEC 3 leads ECG connection cable AHA 3 leads ECG connection cable IEC 5 leads ECG connection cable AHA 5 leads Pad adapter Pad adapter Cart
73. LY INSTALLING THE OPTIONAL UNIT The procedures in this section explain how to install the optional units in the defibrillator when the main board is replaced For operation check refer to the operator s manual for each optional unit NOTE The following optional units do not operate depending on the software versions Before installing the optional unit into a defibrillator check the software version with the System Setup 6 System information screen Refer to System Setup Screen in Section 3 of the operator s manual If the software version is not compatible with the optional unit contact your NK distributor or representative to upgrade the software AC 761VA VC VE VK VI 12 Lead ECG Unit SG 761VC VE VK NIBP Unit QI 761V ZB Interface Unit Compatible software TEC 7600 series TEC 7700 series 12 lead ECG unit MAIN 02 03 or later MAIN 01 06 or later NIBP unit MAIN 02 XX or later ZB interface unit MAIN 02 XX or later is 3 3 1 3 DISASSEMBLY INSTALLING THE OPTIONAL UNIT Installation Procedure WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component TEC 7600 HV capacitor HV inductor relay unit paddle socket or paddles TEC 7700 HV capacitor biphasic HV unit terminal bracket paddle socket or paddles of the instrument Removal and replacement of any components in the instrument should
74. SERVICE MANUAL TEC 7621C TEC 7631C TEC 7621E TEC 7631E TEC 7621K TEC 7631K TEC 7721E TEC 7731E TEC 7721K TEC 7731K DEFIBRILLATOR TEC 7600 TEC 7700 0634 002039B NIHON KOHDEN CONTENTS Contents GENERAL HANDLING i WARRANTY POLICY a ii Conventions Used in this Manual and iv Dangers Warnings Cautions and Notes iv Explanations of the Symbols in this Manual and Instrument V Section 1 n 1C 1 dl Models and sviete lejano 1 1 General Information on Servicing 1 2 Service Policy Service Parts and Patient Safety 1 4 sunt EE 1 4 Service ar 1 4 Patient Safety Checks sssssssssssssseeeeesee nennen nennen nnne nen nnns entere nns 1 5 Maintenance Equipments and 0 1 5 Important Safety Information sisseoste i eee dtque ce putt 1 6 feres EE 1 23 BB eigo io unna 1 29 From LT DDR 1
75. Service Manual TEC 7600 7700 Protocol Analysis Screen 4 MAINTENANCE This screen is used to check the communication between the main CPU and sub CPU The address and data can be displayed To display the previous or next 50H use the J or T key To return to the System Maintenance Debug Mode screen press the Exit key System Maintenance 3 Protocol Analyze 1400000 1400008 1400010 1400018 1400020 1400028 1400030 1400038 1400040 1400048 Card Attribute Screen This is not available for this instrument 4 35 4 MAINTENANCE Periodic Replacement Schedule To maintain the performance of the instrument the following parts must be periodically replaced by qualified service personnel Battery Pack YZ 024H9 Every year Pad Adapter JC 755V Every two years Pad Adapter JC 705V Every two years CAUTION Before disposing of the battery check with your local solid waste officials for recycling options or proper disposal Reference Fuses on the main board Part No Code No Description 0501 606168 4 0502 392406 121 C 0504 606117 15 F1801 607648 1A 4 36 Service Manual TEC 7600 7700 4 MAINTENANCE Maintenance Check Sheet Maintenance Check Sheet 1 2 Date Custo
76. T STOP key is pressed during inflation The energy charging for defibrillation is started Form the start of charging to discharging the NIBP measurement cannot be preformed In battery operation the battery is almost discharged Replace the battery or switch to AC operation The air hose is disconnected from the NIBP socket The NIBP air hose disconnected message is displayed Connect the air hose properly When NIBP monitoring is not necessary press the SILENCE ALARM key to silence the alarm The NIBP display can be cleared Auto measurement does not start even when the time interval has passed The time interval for the NIBP auto measurement is changed Check the time interval The measurement is stopped by the safety circuit The NIBP safety circuit operating message is displayed Wait for 40 seconds before remeasurement This measurement is canceled The cuff inflation pressure is deflated enough or during NIBP measurement stop interval 2 or 30 seconds The measurement automatically starts after the stop interval The previous measurement is not complete This measurement is canceled The cuff suddenly inflates The measurement mode is set to auto mode Check the time interval Cannot connect cuff to the air hose Unspecified cuff is used Use a cuff specified by Nihon Kohden 2 16 If none of the actions solve the problem replac
77. UTPUT control and PACING RATE control CNA226 cable Connects to the main board CNA042 cable Connects to the main board Remove the three M3 pan screws with spring washers and remove the pacer board 226 CNA042 Pacer board Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the LCD Unit 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the main chassis and main board Refer to Removing the Main Board 3 Remove the two M3 pan screws with spring washers and remove the LCD unit LCD unit 006 When assembling pass the 131 film cable between the LCD EMC sponges Service Manual TEC 7600 7700 3 1 15 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the Main Key Board and Key Board 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the main chassis and main board Refer to Removing the Main Board i Disconnect the following cables Film connector Rotary switch cable 201 cable Connects to the test load CNA102 film cable Connects to the main key board and key board To remove the film cable from the film cable connector gently release the lock of the film cable connector with a small flat blade driver and your finger as shown in the expanded illustration Be careful because the film cable
78. Yes No Basic operation The screen display is correct brightness no distortion Yes No Lamp indication is correct Yes No All keys buttons and control operate properly Yes No All settings are correct Yes No The battery is fully charged Yes No Alarm functions properly Yes There is no error message or abnormal operation Yes No Service Manual TEC 7600 7700 4 37 4 MAINTENANCE Maintenance Check Sheet Defibrillation function Monitoring Recorder Synchronized cardioversion and defibrillation function is correct Output energy value is proper Time to charge a selected energy is proper Charged energy can be changed to another value The defibrillator properly disarms Energy discharge test is correct Continuity of the paddles and paddle cables is correct ECG waveform display is correct The continuity of the ECG connection cable is correct Heart rate display is correct QRS sync mark is displayed and heart rate sync sound generates ECG lead and sensitivity can be changed properly Alarms setting and alarm function is correct Sound volume can be changed properly Paper is fed correctly no wandering or jam Waveforms and letters are clearly recorded Time printed on the recording paper is correct Pacing TEC 7631 7731 series only 4 38 Pacing pulse rate and intensity can be set properly The continuity of the pad adaptor cable is correct
79. able Connections of the NOTE High voltage Unit After replacing the HV capacitor or relay unit always check the following TTR value Delivered energy Charge time Refer to System Maintenance Screen in Section 5 HV inductor Relay unit CNP557 555 556 554 CNP551 To paddle socket CNP501 to main board HV capacitor Service Manual TEC 7600 7700 3 1 11 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the Test Load Board WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor HV inductor relay unit paddle socket or paddles of the instrument 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the AC DC unit Refer to Removing the AC DC Unit 3 Remove the main chassis and main board Refer to Removing the Main Board 4 Remove the HV inductor Refer to Removing the HV Inductor 5 Remove the HV capacitor and relay unit Refer to Removing the HV Capacitor and Relay Unit 6 Remove the three M3 pan screws with g spring washer and remove the HV unit HV unit holder 18 holder 7 Disconnect the CNA201 cable to main board and speaker cable from the test load board CNA201 Speaker cable 8 Remove the two M3 pan screws with washers and spring washers on the test e
80. acing output rate does not match the selected rate Pulse width of the pacing output pulse is Faulty pacer board Replace the pacer board larger or smaller than the selected width Current intensity of the pacing output pulse is larger than the selected value Current intensity of the pacing output pulse is smaller than the selected value Pacing output that is not requested by the CPU is detected Pacing output voltage exceeds the upper Faulty pacer board Replace the pacer board limit Reference voltage exceeds the specified value Error was detected in the short mode of Faulty pacer board Replace the pacer board the transistor Service Manual TEC 7600 7700 2 7 2 TROUBLESHOOTING 12 Lead ECG Meaurement EmorCode Meaning Possible Cause Serial communication error between Faulty ECG 12L board Replace the ECG 12L board the input CPU and host CPU on the ECG 12L board Command communication error Faulty ECG 12L board Replace the ECG 12L board between the input CPU and host CPU on the ECG 12L board Data from the input CPU on the ECG Faulty ECG 12L board Replace the ECG 12L board 12L board is out of range ECG 12L board 12L board ECG 12L board 513 Invalid command error of the host CPU Faulty ECG 12L board Replace the ECG 12L board on the ECG 12L board ECG 12L board the ECG 12L board Write error of the flash memory on the ECG 12L board during shutdown system shutdowns corre
81. ad closely to the body surface so that current flows uniformly through the pad This reduces the required pacing current and pain and discomfort to the patient The apex posterior placement is not suitable for ECG monitoring or AED analysis The anterior posterior placement is not suitable for defibrillation cardioversion ECG monitoring or AED analysis Use this placement only for pacing Never select TEST TEST is for maintenance and the waveform displayed on the screen is not the patient s ECG Failure to follow this warning causes accidental pacing which is not synchronized with the patient s QRS wave Do not change the sensitivity or ECG lead setting after pacing is started If one of these settings is changed the pacing stops for 3 seconds Failure to follow this warning may cause serious heart attack For 300 ms after the pacing pulse is output no signal can be detected as a QRS wave Service Manual TEC 7600 7700 ECG Monitoring Service Manual TEC 7600 7700 1 GENERAL CAUTION Check that the pacing pulse is effectively working by observing ECG on the screen When connecting the pad adaptor to the paddle connector do not bend or damage the connector pin Otherwise energy cannot be discharged to the pads If the patient s body is wet thoroughly wipe the moisture off the skin so that the pads do not short to each other WARNING When using a defibrillator together
82. and displayed error messages 1 Determine which troubleshooting table to use Also refer to Messages and Troubleshooting in Section 10 of the Operator s manual 2 In the Error Code Message or Problem column find the trouble item that matches the problem or error message 3 Do the action recommended in the Action column Do the first action recommended in the Action column 4 Ifthe problem or error message is not solved do the next action recommended in the Action column If this does not solve the problem do the next recommended sections 5 Ifnone of the actions solve the problem contact your Nihon Kohden distributor or representative NOTE Before contacting your NK distributor or representative for technical support please complete a copy of the Maintenance Check Sheet the original copy is provided at the end of the Section 4 Maintenance and if possible provide additional detailed information on the problem Send the complete copy of the Maintenance Check Sheet to your NK distributor or representative This will allow your NK distributor or representative to provide you with the best support 2 1 2 TROUBLESHOOTING Error Code The instrument displays an error code if it detects an error when the power is turned on and during operation NOTE For problems that are not reproducible call up the System Setup screen and print the REPORT HISTORY Re
83. and press the Exec key The Check NIBP 2 Safety Device Test screen appears 3 Press the Start key to start checking 4 Immediately increase the pressure inside the dummy cuff and manometer with the hand bulb pump until the pressure reaches 300 mmHg for adult or 150mmHg for neonate 5 After the specified pressure is reached stop pumping the hand bulb pump 6 Check that the pressure is released within 15 seconds The pressure is released by the time limiter and safety valve If the above mentioned checks show an error replace the NIBP board 4 24 Service Manual TEC 7600 7700 4 MAINTENANCE Inflation Test Screen Checking the Inflation Speed This screen has the following two check items Checking the Inflation Speed When Using the Adult Cuff 1 Connect the 700 mL dummy cuff to the instrument with the 3 5 m long adult child air hose To NIBP socket 700 ml dummy cuff 2 On the Check NIBP screen select 4 Inflation Test with the Item key and press the Exec key The Check NIBP 4 Inflation Test screen appears System Maintenance 4 Inf lation Test Inf lation Time Measure Cuff Type ADULT CHILD Cuff Type SAFE ADULT CHILD Cuff Press NORM 0 OmmHg Inflation Time 0 05 3 Press the Start key to start checking The instrument increases the pressure On the dummy cuff to 200 mmHg 4 Check that it takes 7 seconds or less to change
84. ard remains in the HV capacitor 2 seconds after external discharge 597 When discharging the second phase Faulty biphasic HV unit Replace the biphasic HV unit pulse is not output Faulty main board Replace the main board 2 4 Service Manual TEC 7600 7700 2 TROUBLESHOOTING Operation Panel NOTE When the power is power is on the following key switch is pressed and held for more than 10 seconds the error code of each key is displayed f the key was not pressed and held check each key function with the System Maintenance screen Refer to Section 4 System Maintenance Screen Check Hardware Screen Check Key Screen EmorCode Meaning Possible Cause The ECG lead key error is detected Faulty key board Replace the key board Faulty main board Replace the main board K501 K502 The ECG sensitivity key error is Faulty key board Replace the key board 03 detected Faulty main board Replace the main board K5 The ECG silence alarm key error is Faulty key board Replace the key board detected The alarm setting key error is detected Faulty key board Replace the key board Te SYSNG buton emor on pane is Fa main ey bod eg mn bt detected Faulty main board Replace the main board The right DISCHARGE button error Faulty main key board Replace the main key board front panel is detected Faulty main board Replace the main board The left DISCHARGE button error Faulty main
85. arged too Turn off the instrument and leave heats up frequently the instrument for 10 minutes then turn on Faulty relay unit biphasic HV unit Turn off the instrument and leave or main board the instrument for 10 minutes then turn on If the message appears the relay unit biphasic HV unit or main board is faulty Replace the relay unit biphasic HV unit or main board Power abnormality Input power voltage is too high Not specified battery is used Only use the NKB 301V battery Relay drive error Faulty relay drive circuit Faulty relay unit or biphasic HV Replace the relay unit or biphasic unit HV unit Faulty main board Replace main board Replace battery Battery test result is 0 to 49 Faulty battery pack Replace the battery The instrument judged that the battery should be replaced with a new one SpO2 module not SpO2 module is faulty Faulty the SpO2 adapter Replace the SpO2 adapter working Faulty the QI 762V DSI Replace the DSI Interface Unit Interface Unit or QI 763V or DSI AUX OUT Interface DSI AUX OUT Interface Unit Unit SpO2 module SpO2 cable is disconnected from SpO2 cable is disconnected from Press the Silence alarm key to disconnected the instrument the QI 762V DSI Interface Unit turn off the message If the or QI 763V DSI AUX OUT message still appears the DSI Interface Unit interface unit or DSI AUX Faulty DSI interface unit or interface unit
86. commended by Nihon Kohden to assure maximum performance from your instrument NOTE When the main boad is replaced with a new one do the following adjustment Refer to System Maintenance Screen Adjust AD Screen ECG sensitivity and offset Charge energy delivered energy TTR Battery charging setting Required Tools Anti static bench mat Wrist ground strap Phillips screwdriver insulated type for M3 and M4 screws Hex socket driver for 3 mm spacer bolt and nut Allen wrench Tweezers Short bar Service Manual TEC 7600 7700 3 2 1 3 DISASSEMBLY TEC 7721 7731 SERIES 3 100Vd 1X3 Defibrillator p ET NI 9d Xd d806 8z d8IN 1106 91 YOSNOS 202 1146 1 4oadepy zods Connection Diagram TEC 7721 7731 Series SS2 ENn 993 1520 ayol 1531 HOLIMS 108 102 2 I 2VNI 6 40 AIM NIVW 852 8N 3310A E IYNI Z INI 6820 43 WOO 82 32 802 2 150 101082 150 20109 lt 20 150 1010 2 0 1 2010 2 100 xnv
87. ctly Faulty ECG 12L board Replace the ECG 12L board Time out of the 12 lead ECG analysis Faulty ECG 12L board Turn the power off then retry the 12 lead ECG analysis If the error code appears again replace the ECG 12L board The sensitivity and time constant data Faulty ECG 12L board Replace the ECG 12L board differ between the EEPROM and flash memory on the ECG 12L board 2 8 Service Manual TEC 7600 7700 Message Instrument and SpO CO Mesurement 2 TROUBLESHOOTING Message Meaning Possible Cause Action Battery charge During battery test Faulty battery pack Replace the battery pack timed out The battery was not fully Faulty main board Replace the main board charged 5 hours after battery charging started Battery charging During battery test Faulty battery pack Replace the battery pack error An error occurred in battery Faulty main board Replace the main board charging Battery discharge During battery test Faulty battery pack Replace the battery pack timed out The voltage did not decrease to Faulty main board Replace the main board the specified level 4 hours after battery discharging started Capacitor test fail Capacitor test failed Faulty HV capacitor Replace the HV capacitor CO2 module not CO2 module is faulty Faulty CO2 sensor kit Replace the CO2 sensor kit working Faulty the QI 762V DSI Replace the DSI Interface Unit
88. d because it is difficult to hold the paddles stable ECG acquired from external paddles internal paddles or disposable pads is unstable after discharge because of high polarization voltage Do not perform defibrillation or cardioversion in a wet place Before defibrillation or cardioversion move the patient and defibrillator to a dry place Otherwise the operator may get electrical shock Do not discharge near a person or object other than the patient or test electrode plate or energy checker It may cause electrical shock to the person or object Confirm that there is no artifact on the ECG If there is artifact on the ECG signals other than ECG are misrecognized to be QRS and accidental discharge may occur which is not synchronized with the patient s QRS wave 1 GENERAL WARNING continued Do not perform synchronized cardioversion with the PADDLE lead unless it is absolutely necessary In synchronized cardioversion with the PADDLE lead artifact may be misrecognized as QRS and accidental discharge may occur which is not synchronized with the patient s QRS wave Never select TEST for the ECG lead TEST is for maintenance and the waveform displayed on the screen is not the patient s ECG If synchronized cardioversion is performed with the TEST lead accidental discharge occurs which is not synchronized with the patient s QRS wave and it may cause ventricular fibrillation For safe synchronized cardioversion a
89. d from the defibrillator An electrode lead is faulty Faulty main board Remove the cause of the trouble If the trouble is not solved the main board is fault Replace the main board No sync sound Faulty main board Replace the main board No alarm is generated The SILENCE ALARMS key is pressed Press the SILENCE ALARMS key again On the Setup screen alarm is set to OFF On the Setup screen set the upper lower limit of each vital alarm Faulty main board Replace the main board No sound Faulty speaker or speaker cable Replace the speaker Faulty main board Replace the main board SpO Problem Possible Cause Action SpO2 value is not displayed on the The SpO2 adapter cable is Connect the SpO2 adapter to the disconnected from the SpO2 CO2 SpO2 CO2 connector screen connector SpO2 probe is disconnected from the SpO2 adapter Firmly connect the probe to the SpO2 adapter Cable discontinuity in SpO2 adapter or probe Replace the SpO2 adapter or probe SpO2 probe attachment to the patient is loose Firmly attach the probe to the patient Dotted lines appear instead of the pulse waveforms Faulty SpO2 probe Replace the SpO2 probe Faulty SpO2 adapter Replace the SpO2 adapter Faulty QI 762V DSI Interface Unit Replace the DSI interface unit Faulty QI 763V DSI AUX OUT Interface Unit Replac
90. d to the Faulty relay unit Replace the relay unit selected energy within the specified time After charging the capacitor energy F Faulty relay unit relay unit Replace the relay unit the relay unit falls the specified value for each energy about 15 above the selected energy A529 After charging the actual charged energy is different from the selected energy Faulty HV capacitor Replace the HV capacitor Internal discharge takes more than 20 Faulty relay unit Replace the relay unit seconds to complete Faulty main board Replace the main board HV capacitor s voltage did not reach its Faulty relay unit Replace the relay unit target value 20 seconds after adjusted internal discharge exceeds its specified voltage When the disposable pad is used 12 5 or more of the charged energy Faulty main board Replace the main board remains in the HV capacitor 2 seconds after external discharge Service Manual TEC 7600 7700 2 3 2 TROUBLESHOOTING TEC 7721 7731 series EmorCode Meaning PossibleCause Action During standby mode the HV capacitor Faulty biphasic HV unit Discharge HV capacitor and has more than J energy more than one replace the biphasic HV unit continuous second When charging is started the HV Faulty biphasic HV unit Replace the biphasic HV unit capacitor energy did not reach 1 J Faulty HV capacitor Replace the HV capacitor within 2 seconds The energy is not
91. ddle socket or paddles of the instrument Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing Remove the M3 pan screw with spring washer which secures the paddled socket cables to the main chassis and remove the paddle socket Remove the CNA222 cable which connects the paddle socket and main board from the main board Remove the M3 pan screw with spring washer which secures the ECG connector board to the main chassis and remove the ECG connector board Remove the 011 cable which is connected to the ECG connector board Remove the four M3 pan screws with spring washers which secure the main chassis to the main board If the optional QI 762V DSI Interface Board or QI 763V DSI AUX OUT Interface Board is installed disconnect the CNA227 cable which connects the interface board and the main board from the interface board Paddle socket Remove the main chassis 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the Main Board Film connector Film cable When the main chassis is removed you can remove the main board 1 Disconnect the following cables CNA131 film cable Connects to the LCD unit CNA132 cable Connects to the LCD inverter board CNA221 film cable Connects to the key board CNA226 cable Connects to the pacer board TEC 7631 series only CNA042 cable Connects to the pacer board TEC 7631 series only CNP501 cable Conn
92. e 72 mL dummy cuff To NIBP socket 700 mi dummy cuff On the Check NIBP screen select 3 Safety Device Test with the Item key and press the Exec key The Check NIBP 3 Safety Device Test screen appears 4 23 4 MAINTENANCE System Maintenance 3 Safty Device Test Over Pressure Cuff Type NORM RDULT CHILD Cuff Type SRFE RDULT CHILD Cuff Press NORM 0 OmmHg Safty Device fiction 0 Safty Device Action 0 OS Safty Device Status INACTIVE gt ee 3 Press the Start key to start checking 4 Immediately increase the pressure inside the dummy cuff and manometer with the hand bulb pump until the pressure reaches 300 mmHg for adult or 150 mmHg for neonate 5 After the specified pressure is reached slowly increase the pressure with the hand bulb pump 6 Check that the pressure is released within the range of 300 to 330 mmHg for adult or 150 to 165 mmHg for neonate and check that Safety Device Status changes from INACTIVE to ACTIVE The overpressure is released by the safety valve Checking the Pressure Continuous Time 1 Connect the manometer and hand bulb pump to the 700 mL dummy cuff using Y branch connector Connect the dummy cuff to the instrument with the 3 5 m long adult or neonatal air hose The adult air hose must be used with the 700 mL dummy cuff 2 On the Check NIBP screen select 3 Safety Device Test with the Item key
93. e 2 opens and the Start key changes to the Stop key The pressure diffrence between when the valve 2 opens and 100 milliseconds later is diplayed in the Deflation Press column 5 Check that the Deflation Press pressures is within the range of 2 to 8 mmHg If the pressure difference is out of range the NIBP board or pneumatic component such as pump valve or tube is faulty Air Circuit Test Screen 1 Disconnect any air hose from the NIBP socket on the instrument 2 On the Check NIBP screen select 8 Air Circuit Test with the Item key and press the Exec key The Check NIBP 8 Air Circuit Test screen appears System Maintenance 8 Air Circuit Test Cuff Type NORM RDULT CHILD Cuff Type SRFE ADULT CHILD Cuff Press SAFE 0 OmmHg Start 3 Press the Start key to start checking pump works 4 Check that the pressure displayed in the Cuff Press SAFE column does not exceed 40 mmHg after about 5 seconds If the pressure exceeds 40 mmHg the pneumatic component such as pump valve or tube is faulty Service Manual TEC 7600 7700 4 MAINTENANCE Check 12 Lead Screen You can check the optional 12 lead ECG unit function automatically and manually When Auto is selected all items are checked one by one System Maintenance Check 12Lead Communication 2 Check Memory 3 Check Input Unit 4 Check Calibration Version Main 99 05 Analysis 01
94. e Directive 93 42 EEC Biphasic defibrillation TEC 7700 series only Service Manual TEC 7600 7700 On LCD Symbol Description Symbol Description Y Full battery charge remains Add Z fold recording paper More than 2 3 battery charge 7 remains Y QRS sync mark 1 2 Battery discharged gt The point of implanted pacemaker pulse output Battery power for one 360 J Alternating current AC power 0153 1 DS charging remains operation 42 1 Battery operation not available vi Service Manual TEC 7600 7700 Section 1 General 1 118181 ee M LEER 1 1 Models and 1 1 General Information on Servicing enne enne enne nnne 1 2 Service Policy Service Parts and Patient Safety 1 4 Service Poly M c 1 4 S6e VICO ees x 1 4 Patient Safety Checks teri uta o cra ia a aaia 1 5 Maintenance Equipments and 0 1 5 Important Safety Information nennen nnn 1 6 8 qc HH 1 23 DOSCHIPUON 1 29 11491110 la Errem 1 29 Top Panel TEC 7631
95. e OK key The AD values of the voltage and current that are applied to the battery pack are automatically adjusted The new A D value are temporarily saved in a memory and displayed beside 2 BATTERY VOLTAGE 11 50 V and 3 BATTERY CURRENT 0 90 A Manual adjustment mode 1 Select 2 BATTERY VOLTAGE XX XX V with the Item key The function keys change as follows item 4 V Meu 2 Adjust the AD value with the T or J key so that the XX XX display becomes 11 50 V 3 Select 3 BATTERY CURRENT X XX A with the Item key and press the OK key 4 Adjust the AD value with the T or 4 key so that the X XX display becomes 0 90 A To return to the System Maintenance Adjust AD screen press the Exit key 4 14 Service Manual TEC 7600 7700 4 MAINTENANCE Check Hardware Screen You can check the function of each hardware in the instrument System Maintenance Check Hardware 1 MIS Key 2 Check LED 3 Check LCD 4 Check Recorder 5 Check Time Constant 6 Check Memory 7 Check Buzzer 8 Check Yoice 9 Check NIBP 10 Check 12Lead 11 Examination To call up a sub screen select the item with the Item key and OK key To return to the System Maintenance Check Hardware screen press the Exit key alarm setting key To return to the System Maintenance Menu screen press the Exit key CAUTION Do not open the 9 Check NIBP and 11 Examination screens These ch
96. e cause is arrhythmia measure by invasive blood pressure measurement Remove the cause if due to noise Faulty NIBP unit Replace the NIBP unit 12 Lead ECG Mesurement Message Possible cause Action Check XX electrode The displayed is detached XX Check the electrode attachment of the electrode name indicated position Faulty electrode lead or patient cable Replace the electrode lead or patient cable Check chest electrode Two or more chest electrodes are detached Check the chest electrode attachment Faulty electrode lead or patient cable Replace the electrode lead or patient cable A 5 lead electrode is used Use the specified electrode lead and patient cable Check limb electrode Two or more limb electrodes from the R RA L LA or F LL electrode are detached The RF electrode is detached No electrode is attached to the patient Check the limb electrode attachment Faulty electrode lead or patient cable Replace the electrode lead or patient cable A 3 lead electrode is used Use the specified electrode lead and patient cable Not enough free memory There is no space to save new ECG data file in the memory card Replace the memory card with a new one Insert memory card A memory card is not inserted Insert the memory card into the memory card slot Check memory card An unspecified memory card is inserted In
97. e the DSI AUX OUT interface unit Deformed or damaged SpO2 probe Probe was disinfected in a way other than the specified way Replace the probe with a new one Use the specified disinfecting method SpO2 probe is repeatedly used Replace the probe with a new one when its lifetime is over 2 14 Service Manual TEC 7600 7700 CO 2 TROUBLESHOOTING Problem Possible Cause Action The measured value is not displayed on the screen The CO2 sensor kit cable is disconnected from the SpO2 CO2 connector Connect the CO2 sensor kit cable to the SpO2 CO2 connector CO2 gas is in the inspiration With the CO2 sensor kit measurements are based on the assumption of no CO2 gas in the inspiration Do not connect a Jackson Rees respiration circuit or Mapleson D respiration circuit to the patient Measurement cannot be done correctly The airway adapter is dirty Replace the airway adapter with a new one The measurement is preformed where atmospheric pressure is low such as at high altitude Consider the atmospheric pressure when making evaluations The red LED on the CO2 adapter blinks CO2 sensor or CO2 adapter is faulty Replace the CO2 sensor or CO2 adapter with a new one The respiration has not been detected for longer than 20 s The red LED blinks when the respiration has not been detected for longer than 20 s regardless of the alarm
98. e the NIBP unit Service Manual TEC 7600 7700 2 TROUBLESHOOTING Problem Possible Cause Action Cannot measure NIBP Noise which disables calculation of the blood pressure has interfered Remove the cause Do not touch the cuff during measurement The pulse wave is unstable due to arrhythmia Ask the patient not to move too much and perform invasive blood pressure measurement as required The air hose is bent or squeezed Remove the cause The cuff has worn out Use a new cuff Blood congestion occurs Measuring over a long period of time at intervals less than 2 5 minutes Increase the measuring interval Do not measure NIBP over a long time Thrombus occurs Measuring a sickle anemia patient Do not perform NIBP measurement on a sickle anemia patient Buzzing sounds when the NIBP START STOP key is pressed and NIBP cannot be measured The NIBP START STOP key is pressed before the cuff inflation pressure has deflated enough or during NIBP measurement stop interval 2 or 30 seconds Wait for the NIBP measurement stop interval to elapse before remeasurement The energy charging for defibrillation is started Form the start of charging to discharging the NIBP measurement cannot be preformed In battery operation the battery is Replace the battery or switch to AC almost discharged operation The measurement is stopped by the Wait for 40
99. eck items are factory use only If any setting is changed this may cause malfunction Check Key Screen You can check the function of the rotary switches keys paddle etc in this screen This screen displays the status of rotary switches keys paddle etc by highlighting the part names or displaying the status System Maintenance Check Key Pacing Rate 100 Pacing Start 200 Record Event Card Exist Out Of Paper Panel Charge No Battery AC Syne Dis L R Paddle Charge Dis LR No Connect Sens Suspend Alarm To return to the System Maintenance Check Hardware screen press the Alarm key alarm setting key Service Manual TEC 7600 7700 4 15 4 MAINTENANCE Check items in the Check Key screen Shows the status of the PACING RATE control on the top panel TEC 763 1 7731 series only Highlights when the START STOP key on the top panel is pressed 7631 7731 series only Shows the status of the Energy Mode Select control Highlights when the record key is pressed Highlights when the event key is pressed Card exist or No Card Shows whether a memory card is inserted into the memory card slot Paper Exit or Out of Paper Shows whether the recording paper is set or not Battery or No Battery Shows whether the battery pack is installed or not AC AC Displayed when the AC power cord is connected to the instrument DC Displayed when the AC power cord is not connected to the instrument Highlights
100. ecking energy charge TEC 7600 series 360 J TEC 7700 series 270 J and disarm Charge and internal discharge Battery test Check the battery appearance every 6 months HV capacitor test Recorder test Date and time adjustment NOTE Make sure that the date and time printed on the recording paper is correct The date and time on the recording paper are important parts of the medical record When the main boad is replaced with a new one do the following adjustment Refer to System Maintenance Screen Adjust AD Screen ECG sensitivity and offset Charge energy delivered energy TTR Battery charging setting Service Manual TEC 7600 7700 4 1 4 MAINTENANCE System Maintenance Screen Calling Up the System Maintenance Screen 4 2 CAUTIONS The instrument cannot perform ECG monitoring and defibrillation when the System Maintenance screen is displayed You have to turn the power off and then on to perform ECG monitoring and defibrillation Before changing or adjusting a setting in the System Maintenance screen write down or print out all settings The settings for defibrillation ECG waveform acquisition and battery are adjusted in the factory for each instrument If different settings are used the instrument may malfunction You must perform the Flash Save procedure in the System Maintenance Configuration screen after any setting in the System Maintenance screen is changed or adjusted The new settin
101. ections of the High voltage 3 1 11 Removing the Test Load Board 3 1 12 Removing the Speaker 3 1 13 Removing the Pacer Board TEC 7631 Series 3 1 14 REMOVING the 3 1 15 Removing the Main Key Board and Key 3 1 16 Removing the Recorder Urt 3 1 17 Removing the Paddle 3 1 18 Removing the Battery 3 1 19 TEC 7721 7731 Series Betore YOu e 3 2 1 Warnings Cautions and Notes 3 2 1 Required TOONS 3 2 1 How to Troubleshodt 3 2 1 Connection Diagram TEC 7721 7731 Series 3 2 2 Removing the Battery 3 2 4 Removing the Lower Casing sso deat 3 2 4 Removing the Paddles 2 eene 3 2 4 Service Manual TEC 7600 7700 CONTENTS Removing the Lower Casing eene nnne nnne 3 2 5 Removing the AG DG Unit ccna cereus de octane cag ees EORR cra EO es 3 2 6 Removing the Main Board 3 2 7 Removing the Main Chassis
102. ects to the relay unit 051 cable Connects to the relay unit battery pack and AC DC unit 019 cable Connects to the recorder unit 018 cable Connects to the recorder unit CNP503 cable Connects to the pickup coil in the HV inductor CNA224 cable Connects to the relay unit To remove the film cable from the film cable connector gently release the lock of the film cable connector with a small flat blade driver and your finger as shown in the expanded illustration Be careful because the film cable connector is easily damaged Remove the two pan screws spacer and CNA005 ground lead connected to the AC DC unit Remove the main board CNA226 CNA221 4 CNAO51 CNA132 N 42 4 CNP501 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the HV Inductor CNP555 CNP556 CNP554 To paddle socket CNP501 to main board HV inductor top view Service Manual TEC 7600 7700 CNP557 WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor HV inductor relay unit paddle socket or paddles of the instrument Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing Remove the five wires CNP551 CNP554 CNP555 CNP556 and CNP557 wire from the HV inductor Pull out the HV inductor R
103. ed time from starting charging is displayed in the lower right corner of the screen Service Manual TEC 7600 7700 4 5 6 7 8 9 4 MAINTENANCE When the energy charging is complete the PUSH DISCHARGE KEY message appears Press both DISCHARGE buttons on the external paddles Check the delivered energy displayed on the delivery checker If the delivered energy is not 300 J continue the adjustment procedure Select 2 CHARGE AD with the Item key The function keys change as follow ltem 4 yy Menu Press the Tor I key to change the energy that will be charged in the capacitor at the 300 J setting The new CHARGE AD value is displayed beside 2 CHARGE AD Setting range 25 to 25 The default setting is 0 Repeat steps 2 to 7 until the delivered energy displayed on the delivery checker is as close as possible to 300 J Turn the Energy Mode Select control to the DISARM position 2 Adjust the AD values for the TTR and delivered energy measurement 1 2 3 4 Select 3 TTR AD with the Item key Press the Tor I key so that the TTR value displayed beside 3 TTR AD is as close as possible to 50 W Select 4 DELIVERED ENERGY with the Item key Press the Tor I key so that the delivered energy displayed beside 4 DELIVERED ENERGY is close as possible to 300 J 3 Save each AD value to the flash memory 1 2 3 4 5
104. emove the CNP503 cable which connects the pickup coil and main board from the pickup coil 555 554 CNP556 e CNP551 557 TI A 762 2 gt HV inductor CNP503 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the HV Capacitor and Relay Unit HV capacitor 9 Relay unit 3 1 10 ex WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor HV inductor relay unit paddle socket or paddles of the instrument Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing Remove the AC DC unit Refer to Removing the AC DC Unit Remove the main chassis and main board Refer to Removing the Main Board Make short circuit the two HV capacitor terminals with the short bar which is connected to the ground terminal on the wall with the ground lead Remove the four M3 pan screws with spring washers which secure the HV capacitor to the lower casing and remove the two HV capacitor fixing brackets Remove the cap of the CNP552 and CNP553 wires from the HV capacitor Remove the HV capacitor Remove the three wires CNP555 CNP554 and CNP556 wire which connect the HV inductor and relay unit from the HV inductor Pull out the relay unit Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7621 7631 SERIES C
105. ent such as pump valve or tube is faulty Checking Valve 1 at the Low 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 To NIBP socket 2 VEE 250 ml dummy cuff 2 Select Valve 1 Open 120ms with the Item key 3 Immediately increase the pressure inside the dummy cuff with the hand bulb pump to about 20 mmHg and pinch the hose of the hand bulb pump 4 When the pressure becomes stable press the Start key to measure the pressure The valve opens and the Start key changes to the Stop key The pressure difference between when the valve opens and 120 milliseconds later is displayed in the Deflation Press column 5 Check that the Deflation Press pressures is within the range of 2 to 8 mmHg If the pressure difference is out of range the NIBP board or pneumatic component such as pump valve or tube is faulty 4 29 4 MAINTENANCE 4 30 Checking 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 To NIBP socket ZW 72 cuff 2 Select Valve 2 Open 100ms with the Item key 3 Immediately increase the pressure inside the dummy cuff with the hand bulb pump to about 20 mmHg and pinch the hose of the hand bulb pump 4 When the pressure becomes stable press the Start key to measure the pressure The valv
106. eport recording event recording Automatic recording record on charging after discharge alarm recording periodic recording We evaluated the rhythm recognition detector of the TEC 7600 7700 series defibrillator using the official electrocardiogram database provided by AHA American Heart Association and MIT Massachusetts Institute of Technology and an electrocardiogram database of over 3000 electrocardiograms from hospitals in Japan According to our own evaluation the rhythm recognition detector of the TEC 7600 7700 series defibrillator meets the equivalent of AAMI standards ANSI AAMI DF 39 1993 3 3 18 Power Requirements AC Line voltage Line frequency Power input DC Battery Power voltage Power consumption Continuous load Charging time Dimensions and Weight Service Manual TEC 7600 7700 100 to 240 V 50 60 Hz automatic switching Intermittent load 450 VA or less Continuous load 200 VA or less 12V Intermittent load 14 A or less 4 2 A or less 3 hours or less 1 27 1 GENERAL Dimensions 336W x 242H x377 D mm Weight TEC 7621 series defibrillator 7 8 kg External paddles use AC unit w o battery 6 9 kg Pad adaptor use AC unit w o battery TEC 7631 series defibrillator 8 1 kg External paddles use AC unit w o battery 7 2 kg Pad adaptor use AC unit w o battery TEC 7721 series defibrillator 8 1 kg External paddles use AC unit w o battery 7 2 kg Pad adaptor use AC unit w o batter
107. er end of the AC power cord to the AC outlet 2 Call up the System Maintenance screen 1 While pressing and holding the alarm setting key turn the Energy Mode Select control to SETUP The System Setup Menu screen appears 2 While pressing the alarm setting key press the following keys one by one ECG lead key Silence alarm key ECG sensitivity key The System Maintenance screen appears Refer to System Maintenance Screen in Section 4 3 Select Check Hardware 4 Select Check Voice 5 Press the AUTO button The check screen appears and the defibrillator automatically selects the message and outputs the voice prompt 6 Check that the defibrillator outputs the voice prompt correctly according to the selected message If not check that the voice prompt board is correctly installed 7 Turn off the power of the defibrillator 3 3 3 3 DISASSEMBLY INSTALLING THE OPTIONAL UNIT Installing the QI 762V DSI Interface Board or QI 763V DSI AUX OUT Interface Board 1 Attach the DSI AUX attachment to the main chassis and secure the DSI AUX attachment with the two M3 pan screws with spring washers 2 Attach the DSI inference board or DSI AUX OUT interface board to the DSI AUX attachment and secure the interface board with three M3 pan screws with spring washers 3 Connect the CNA227 cable to the main board and interface CAUTION Align the connector panel of the DSI interface board
108. eries only Key board Inverter board included in CY 0008 LCD assy LCD unit included in CY 0008 LCD assy Battery pack NKB 301V Biphasic HV unit AC DC unit Test Load board Recorder unit HV capacitor NKC 30100A ECG Connector board Speaker C065K12A0000 Terminal bracket Terminal HV film protecter 5 REPLACEABLE PARTS LIST 5 9 5 REPLACEABLE PARTS LIST KD 022A Cart Index Code No 1 6111 006867C 2 6112 007507H 3 6113 138213 4 6113 038231 5 6113 038222 6 6113 038249 7 6112 006606B 8 6114 059901D 9 6141 000879 10 6114 123146A 11 6114 123182 12 6114 110579 13 6112 007311B 14 6112 007302B 15 6112 006598D 16 2219 015105 17 6112 0065621 18 6113 019234 19 6114 057271 20 6143 011159 21 6143 011141A 22 6113 018716D 23 6113 011679D 24 6112 006598D 25 6113 023416A 5 10 Q ty NN A N RRR RB N Re Description Top plate Handle 350A Handle grip L1 Handle grip Handle grip L2 Handle grip R2 Basket Basket holder Frame assy 350 840K A Belt Belt holder Base cover Base R Base L Tray 1 Fixing screw Base plate 350 Guide rail Screw Caster NKC 150S F Caster NKC 150 F Slide rail L Slide rail R Tray 1 Slide rail holder Service Manual TEC 7600 7700 5 REPLACEABLE PARTS LIST 5 11 vice Manual TEC 7600 7700 Ser ml Manufacturer NIHON KOHDEN CORPORATION 1 31 4 Nishiochiai Shinjuku ku T
109. erms so disinfect and clean the instrument before servicing it When servicing the instrument wear rubber gloves to protect yourself from infection There is the possibility that when the lithium battery is broken a solvent inside the lithium battery could flow out or a toxic substance inside it could come out If the solvent or toxic substance touches your skin or gets into your eye or mouth immediately wash it with a lot of water and see a physician Liquid ingress The instrument is not waterproof 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 for repair Environmental Safeguards Depending on the local laws in your community it may be illegal to dispose of the lithium battery 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 in
110. es in this section explain how to remove replace and install major components in the TEC 7721 7731 series defibrillator for TEC 7621 7631 series defibrillator see the previous section Before You Begin Warnings Cautions and Notes WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor biphasic HV unit terminal bracket paddle socket or paddles of the instrument Removal and replacement of any components in the instrument should only be done by qualified service personnel To avoid the possibility of injury to yourself or damage to the instrument do not install or remove any component while the power is on When disassembling make sure that the instrument is off the AC power cord is disconnected from the instrument and the battery pack is removed from the defibrillator There are several high voltage units inside the instrument LCD backlight high voltage capacitor pacing DC DC converter and switching regulator CAUTIONS To avoid accidental discharge of static electricity which could damage the components of the instrument use a grounded wrist strap when installing or removing any component of the instrument Fuses on the main board and AC DC unit cut off the power when an abnormality occurs in the instrument Eliminate the malfunction before replacing the fuse Use the correct fuse only e Use only parts re
111. etting changes from off to Exec and function key changes as follow 3 Press the OK key to perform the selected item To cancel it press the Cancel key To return to the System Maintenance Menu screen press the Exit key To print the information displayed on the System Maintenance screen press and hold the record key on the front panel until the recorder starts to print the information 4 7 4 MAINTENANCE Adjust AD Screen You can adjust the ECG sensitivity charge and delivered energy TTR and battery charging settings by changing the A D value for each item To call up a sub screen select the item with the Item key and OK key System Maintenance Adjust AD MAd just ECG AD 2 Adjust AD 3 Rd just Battery AD Adjust ECG AD Screen You can adjust the A D value for the ECG offset and ECG sensitivity with the automatic adjustment mode or manual adjustment mode System Maintenance 1 Adjust ECG A D Gain 18 Offset x1 2 Auto Offset Exit Automatic adjustment mode 1 Apply a2 mVp p 10 Hz sine wave between lead R RA and L LA 2 Press the Auto button The ECG sensitivity is automatically adjusted The new A D value is temporarily saved in memory and displayed in the upper right corner of the screen To stop adjustment press the Stop key system Maintenance 1 Adjust ECG R D Gain 18 Offset x1 2 0 x1 0 2 8 x4 5 1 Lead 2m 10Hz sin wave P P 1 99 nV
112. external equipment which complies with the CISPR 11 Second Edition 1990 09 Group 1 and Class B standard Use only the KD 022A cart for this defibrillator If another cart is used the cart may tip over or the defibrillator may fall off N 1 GENERAL Battery 1 8 DANGER Keep the battery pack away from fire Do not heat the battery pack Otherwise the electrolyte comes out and the battery pack explodes Never short circuit the and terminals on the battery pack with a wire Never store or carry the battery pack with metal such as necklace or hair pins The battery pack short circuits and a large current flows causing leakage of the substance inside the battery and battery explosion Never disassemble or modify the battery pack Never damage or directly solder the sheath tube The battery pack short circuits the electrolyte comes out and the battery pack explodes Do not subject the battery pack to a strong mechanical shock The battery leaks and explodes Do not use a battery which is damaged such as from falling There is a gas discharge valve inside the battery and if this valve is damaged the gas cannot be discharged causing the battery to explode If the battery pack is damaged and the substance inside the battery alkaline liquid contacts the eyes or skin wash immediately and thoroughly with water and see your physician Never rub your eyes otherwise you may lose your eyesight The battery pack has a
113. fer to the Operator s Manual for the detail of this procedure The error code will be lost when the power is turned off Always check all the cable connections in the instrument before performing the action recommended in the troubleshooting tables in this section This is because a loose cable connection can cause the instrument to display the error code An error code is displayed ERROR AXXX ERROR CXXX ERROR DXXX ERROR KXXX ERROR PXXX ERROR TXXX Turn off the instrument then turn on the instrument and do the same operation Error AXXX CXXX DXXX KXXX and TXXX Perform charge discharge test Error PXXX Perform pacing test The error code is saved in the Report History Is the error code dislayed Is the error code displayeed Instrument is normal But find the cause of the error code Y Refer to error code description for detail 2 2 Service Manual TEC 7600 7700 2 TROUBLESHOOTING Defibrillation TEC 7621 7631 series EmorCode Meaning Possible Cause Action During standby mode the HV capacitor Faulty relay unit Discharge HV capacitor and has more than 1 J energy more than one replace the relay unit continuous second When charging is started the HV Faulty relay unit Replace the relay unit capacitor energy did not reach 1 J Faulty HV capacitor Replace the HV capacitor within 2 seconds The energy is not reache
114. from zero pressure to 200 mmHg If it takes more than 7 seconds the NIBP board is faulty Replace the NIBP board Service Manual TEC 7600 7700 4 25 4 MAINTENANCE Checking the Inflation Speed When Using the Neonate Cuff 1 Connect the 72 mL dummy cuff to the instrument with the 3 5 m long neonatal air hose To NIBP socket pinch 72 ml dummy cuff 2 the Check NIBP screen select 4 Inflation Test with the Item key and press the Exec key The Check NIBP 4 Inflation Test screen appears 3 Press the Start key to start checking The instrument increases the pressure in the dummy cuff to 200 mmHg 4 Check that it takes 5 seconds or less to change from zero pressure to 200 mmHg If it takes more than 5 seconds the NIBP board is faulty Replace the NIBP board Air Leak Test Screen Checking the Pressure Hold 1 Connect the 250 mL dummy cuff and hand bulb pump to the instrument with the 3 5 m long adult child air hose To NIBP socket 2 On the Check NIBP screen select 7 Air Leak Test with the Item key and press the Exec key The Check NIBP 7 Air Leak Test screen appears and Pressure Hold Test is highlighted 4 26 Service Manual TEC 7600 7700 Service Manual TEC 7600 7700 4 MAINTENANCE System Maintenance 7 Air Leak Air Leak Test Normal Air Leak Test Automat Cuff Type NORM RDULT CHILD Cuff Type SRFE ADULT CHILD Cuff Press NORM 0 Omm
115. fter being removed from the package Do not use the disposable pads if the gel has become dry or the gel breaks down and releases water Do not use the disposable pads if the color of the gel changes to dark brown and dark brown gel is on the protective liner If any pad or connector gets wet replace it with a new one If a wet pad or connector is used it may cause electrical shock Replace the disposable pads after 1 hour pacing CAUTION When using the disposable pads for long term ECG monitoring replace them every 24 hours Failure to follow this caution may cause insufficient pacing current and insufficient energy discharge to the heart Do not attach a disposable pad over another pad Failure to follow this caution may cause serious skin burn Do not put heavy objects on the disposable pads or bend the pads Otherwise the pads get damaged and deteriorated resulting in skin burn on the patient Service Manual TEC 7600 7700 Defibrillation Cardioversion and AED Service Manual TEC 7600 7700 1 GENERAL General WARNING Before defibrillation and cardioversion make sure that no one is in contact with either the patient or any metal part of any equipment or cables which supports or is connected to the patient Failure to follow this warning causes serious electrical shock or injury Before defibrillation and cardioversion remove all electrodes probes and transducers connected to a co
116. g Up the System Maintenance 4 2 About the Monu EMS ce poe proce vus saure vue dome etu exei 4 3 System Maintenance Screen 4 4 Default Settings ii Pietre niin 4 5 Flash Save Procedure 4 6 Configuration Screen 4 7 Adjust AD SCIe N 4 8 Adjust ECG AD Screen 4 8 Adjust HV AD SGreen tacet oi re re des ein eee 4 10 TEC 7621 7631 Series 4 10 7721 7731 Series Defibrillator 2 00440 4 12 Adjust Battery AD Screens sii sist iiu a eddie 4 14 Check Hardware Screen 4 15 Check Key 5 4 15 Check LED SCreen 4 17 Check LCD Screen 4 17 Check R corder Screen De E 4 17 Check Time Constant Screen 4 18 Check B zzer Screen cedri rend ek e aged aat 4 19 Check Memory Screen ie Fines ubera cta ede eens 4 19 Check Voice 4 20 endisse 4 21 Check 12 Lead Screen tori e Enea gx 4 21 A D View Screen 4 32 Operation Time Screen mu
117. g or adjustment is not applied and saved until the Flash Save procedure is performed Otherwise the D511 error code appears every time the power is turned on When an error is detected when the instrument is in the System Maintenance screen mode the error code is displayed on the upper right corner of this screen 1 Connect the AC power cord to the defibrillator and connect the other end of the AC power cord to the AC outlet 2 While pressing and holding the Silence alarms key turn the Energy Mode Select control to the SETUP position The System Setup Menu screen appears 3 Release the Silence alarms key 4 While pressing the alarm setting key press the following keys on the front panel one by one ECG lead key gt Silence alarms key gt ECG sensitivity key The System Maintenance Menu screen appears 5 Release the alarm setting key Service Manual TEC 7600 7700 4 MAINTENANCE System Maintenance Menu 1 ona ion 2 Rd just AD 3 Check Hardware 4 RD View 5 Operat ionTime 6 Version Up 7 Debug node The function keys at the bottom of the screen change according to the selected Screen To call up the sub screen for each item 1 Press the Item key to select the item The cursor moves to the next item 2 When the item is selected press the OK key The menu screen of the selected item appears To exit the System Maintenance Screen turn the power off by
118. g or removing the battery disconnect the power cord from the defibrillator Otherwise the operator may get electrical shock To keep the battery fully charged always keep the power cord connected to the AC outlet even when the defibrillator is not used Do not expose the battery pack to direct sunlight or leave in a high temperature place The lifetime of the battery pack may be shortened the performance of the battery may be degraded and the substance inside the battery may leak The battery pack must be inserted by a qualified service personnel Keep the battery pack away from children Before disposing of the battery check with your local solid waste officials for details in your area for recycling options or proper disposal The battery is recyclable At the end of its useful life under various state and local laws it may be illegal to dispose of this battery into the municipal waste stream 1 9 1 GENERAL Disposable Pads WARNING Failure to comply with the following warnings may cause serious skin burn or insufficient energy discharge and pacing current to the heart Do not reuse disposable pads pads are disposable Ifthe pad package is broken dispose of the pads and do not use them Do not use the pads if they are past the expiration date on the package Use the disposable pads as soon as possible after removing them from the package Do not use a pad which is left for a long period of time a
119. g rate appropriate for the patient heart rate When the patient heart rate is slower than the selected pacing rate pacing pulse is output automatically Faulty pacer board Replace the pacer board Faulty main board Replace the main board Service Manual TEC 7600 7700 2 19 2 TROUBLESHOOTING This page is intentionally left blank 2 20 Service Manual TEC 7600 7700 Section 3 Disassembly TEC 7621 7631 Series Before YOU 5 e E E ET 3 1 1 Warnings Cautions and Notes 3 1 1 R qur dTbols 3 1 1 Connection Diagram TEC 7621 7631 3 1 2 Removing the Lower Casing coser roodo eo 3 1 4 Removing the Battery Pack tetur 3 1 4 Removing the Paddles e deos ux sexu 3 1 4 Removing the Lower 000 3 1 5 Removing the AC DC Ult ennaa CIE ERE REEF aA ER CER 3 1 6 Removing the Main Board c 3 1 7 Removing the Main Chassis 000 0 3 1 7 Removing the Main Board eterne eri exe ee N 3 1 8 Removing ithe HV INduetor 3 1 9 Removing the HV Capacitor and Relay Unit 3 1 10 Cable Connections of the High voltage
120. g the Lower Casing nennen 3 2 5 Removing the AC DC Unit 2 25 2 einer peret 3 2 6 Removing the Main BOIU te odes dist ru dE cu ees 3 2 7 Removing the Main Chassis sssssssseeeeeeeeeeene nennen nennen 3 2 7 Removing the Main Board and Terminal 3 2 9 Removing the HV Capacitor and Biphasic HV Unit 2 3 2 10 Removing the Test Load 3 2 11 REMOVING the Speaker ARE i de eae 3 2 12 Removing the Pacer Board TEC 7731 Series 3 2 13 Removing the LCD EXER EE X RE EPA EE RE 3 2 14 Removing the Main Key Board and Key 3 2 15 Removing the Recorder ts xa tract iex erp 3 2 16 Removing the Paddle Locks eerie rere 3 2 17 Removing the Battery enne nnne nnne nnns 3 2 18 Installing the Optional Unit erc 3 3 1 Installation 3 3 2 Installing the VP 761V VC VE Voice Prompt
121. ge Times Clear Deletes the count of internal and external discharges Selection list Off Exec Default Setting Select Exec to return all settings including the AD adjustment settings alarm settings to the factory default settings Before doing this operation write down the necessary settings for each item Selection list Off Exec Flash Save Select Exec to save the current settings in the System Maintenance screen in the flash ROM Selection list Off Exec Digital filter Select On to enable the digital filter for ECG This function is available only when AC hum filter in the Setup screen is set to Selection list On Off Adjust AD Adjust ECG AD Gain Adjusts the A D value for the ECG sensitivity Setting range 0 to 31 in of 1 Offset Adjusts the A D value for the ECG offset at gain x1 2 x1 x2 and x4 Setting range 0 to 50 in of 1 Adjust AD Adjust HV AD CHARGE AD Adjusts the A D value to measure the charged energy in the HV capacitor Setting range 25 to 25 in of 1 TTRAD Adjusts the A D value to measure the TTR transthoracic resistance Setting range 25 to 25 in of 1 DELIVERED ENERGY Adjusts the AD value to measure the delivered energy from the HV capacitor Setting range 25 to 25 in of 1 Adjust AD Adjust Battery AD BATTERY VOLTAGE Adjusts the A D value of the voltage that is applied to t
122. gy Mode Select control on the front panel to 200J The PUSH CHARGE KEY message appears and the selected energy is displayed beside the message 3 Press the CHARGE button on the APEX external paddle The charged energy is displayed in the upper right corner of the screen and the elapsed time from starting charging is displayed in the lower right corner of the Screen Service Manual TEC 7600 7700 4 5 6 7 8 9 4 MAINTENANCE When the energy charging is complete the PUSH DISCHARGE KEY message appears Press both DISCHARGE buttons on the external paddles Check the delivered energy displayed on the delivery checker If the delivered energy is not 200 J continue the adjustment procedure Select 2 CHARGE AD with the Item key The function keys change as follow tm Press the Tor I key to change the energy that will be charged in the capacitor at the 200 J setting The new CHARGE AD value is displayed beside 2 CHARGE AD Setting range 25 to 25 The default setting is 0 Repeat steps 2 to 7 until the delivered energy displayed the delivery checker is as close as possible to 200 J Turn the Energy Mode Select control to the DISARM position 2 Adjust the AD values for the TTR and delivered energy measurement 1 2 3 4 Select 3 TTR AD with the Item key Press the Tor I key so that the TTR value displayed beside 3 TTR AD
123. h spring washers which secure the terminal bracket to the main chassis Remove the four M3 pan screws with spring washers which secure the main chassis to the main board If the optional QI 762V DSI Interface Board or QI 763V DSI AUX OUT Interface Board is installed disconnect the CNA227 cable which connects the interface board and the main board from the interface board 10 Remove the main chassis Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the Main Board When the main chassis is removed you can remove the main board and Terminal Bracket 1 Film connector Service Manual TEC 7600 7700 Disconnect the following cables e CNA131 film cable Connects to the LCD unit CNA132 cable Connects to the LCD inverter board CNA221 film cable Connects to the key board CNA226 cable Connects to the pacer board TEC 7731 series only 042 cable Connects to the pacer board TEC 7731 series only 901 cable Connects to the biphasic HV unit 052 cable Connects to the biphasic HV unit battery pack and AC DC unit 019 cable Connects to the recorder unit NP503 cable Connects to the pickup coil in the HV inductor NA223 cable Connects to the biphasic HV unit e CNAO18 cable Connects to the recorder unit To remove the film cable from the film cable connector gently release the lock of the film cable connector with a small flat blade driver and
124. he battery Setting range 25 to 25 in of 1 BATTERY CURRENT Adjusts the A D value of the current that applied to the battery Setting range 25 to 25 in of 1 Service Manual TEC 7600 7700 4 5 4 MAINTENANCE The default setting of the following items may differ depending on the instrument Adjust ECG A D CHARGE AD TTR AD DELIVERED ENERGY BATTERY VOLTAGE BATTERY CURRENT Language Sync mode after CV Date format English French German Def defibrillation MMM DD YYYY Italian Spanish Other Chinese Japanese Def defibrillation YYYY MM DD American Sync cardioversion MMM DD YYY Y Language sets the language which is used in the instrument The default setting of Sync mode after CV the mode after cardioversion and Date format in the System Setup screen changes according to the selected language The default language setting of the instrument is set at the factory for the country where the instrument is exported to Flash Save Procedure Do the following procedure when change or adjust any setting in the System Maintenance screen 1 Inthe System Maintenance Menu screen select 1 Configuration with the Item key and press the OK button The System Maintenance Configuration screen appears 2 Select 10 Flash Save with the Item key 3 Press the key The setting changes from off to Exec and the function keys change as follow
125. ing charging or discharging do not touch the pads or connectors Failure to follow this warning cause electrical shock to the operator Before discharging confirm that the pads are firmly applied to the chest wall Failure to follow this warning causes serious skin burn or poor energy discharge to the heart Do not discharge if the pads overlap each other or if the pads are shorted to each other by anything conductive such as contact gel Failure to follow this warning causes serious electrical burn and poor energy discharge to the heart CAUTION Before AED analysis or defibrillation confirm that the patient is unconscious and has no respiration and no pulse The ECG of a child or a patient with a implanted pacemaker cannot be analyzed correctly For these patients follow the physician s instruction During AED analysis do not touch or move the patient pad adaptor and disposable pad cable Stop the life saving treatment such as CPR Otherwise correct analysis result cannot be obtained If the ECG baseline is wandering because of surrounding conditions measurement conditions or electrode conditions remove the causes before performing AED analysis When connecting the pad adaptor to the paddle connector do not bend or damage the connector pin Otherwise energy cannot be discharged to the pads If the patient s body is wet thoroughly wipe the moisture off the skin so that the pads do not short to each other Do not discharge
126. ing from the rotary switch CNA102 Rotary switch Energy Mode Select control Service Manual TEC 7600 7700 3 2 15 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the Recorder Unit 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the main chassis and main board Refer to Removing the Main Board 3 Remove the two M3 pan screws with spring washers and pull out the recorder unit 3 2 16 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the Paddle Locks WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor biphasic HV unit terminal bracket paddle socket or paddles of the instrument 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the AC DC unit Refer to Removing the AC DC Unit 3 Remove the main chassis and main board Refer to Removing the Main Board 4 Remove the test load board Refer to Removing the Test Load Board 5 Remove the MG pan screws with spring washer and remove the paddle lock Paddle lock Service Manual TEC 7600 7700 3 2 17 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the Battery Connector 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casi
127. ion VP 761VE Voice prompt unit for E version UR 0258 Voice prompt board for K version UR 0290 Voice prompt board for C version UR 0291 Voice prompt board for E version Service Manual TEC 7600 7700 1 GENERAL 1 39 1 GENERAL Board Unit Location TEC 7600 Series Defibrillator AC DC unit Recorder unit Test load board Pacer board Relay unit TEC 7631 series only LCD unit HV coil 25 ISS 7 NGHE Main key board I Main board Key board Paddle connector 1 40 Service Manual TEC 7600 7700 1 GENERAL TEC 7700 Series Defibrillator AC DC unit Test load board 3 Recorder unit Pacer board TEC 7731 series only LCD unit 22 A Biphasic HV unit HV capacitor Main board Key board Main key board Paddle connector Service Manual TEC 7600 7700 1 41 1 GENERAL Block Diagram TEC 7600 Series Defibrillator NO LdO 233 4 31 LSe0 un d8IN 32 110 HJIH 4A28L UN A28L UN 3700Vd VNH31X3 315 VSDrBV 2XN dVJ AH TW 2 L TAN 1103 AH gt 1109 dnx3ld 30123131 NOI LdO YyOLOW uO SJ8A 169 231 49J q371 43 Qquv2 TN 805145 AISL SM LINN 33030238 MS AWLOY 1820 3101 19071 1531 6v2 8N A39
128. ion up card Versiondown Confirm Datacard Versionup Start To return to the System Maintenance Menu screen press the Menu key Debug Mode Screen Service Manual TEC 7600 7700 System Maintenance Debug mode Check String 2 Memory Dump 3 Protocol Analyze 4 Card Attribute 4 33 4 MAINTENANCE Check String Screen This screen is used to check the characters used in the instrument You can display the language which is selected in Language System Maintenance Configuration screen by pressing the Language key System Maintenance 1 Check String Language Y JE To scroll the characters use the J or key To return to the System Maintenance Debug Mode screen press the Exit key Memory Dump Screen This screen is used to check the flash memory The address and data can be displayed System Maintenance 2 Memory Dump 0 2 4 6 0000000 0150 0400 0000 0400 0000008 0000 0000 0000 0000 0000010 0000 0000 0000 0000 0000018 0000 0000 0000 0000 0000020 0000 0000 0000 0000 0000028 0000 0000 0000 0000 0000030 0000 0000 0000 0000 0000038 0000 0000 0000 0000 0000040 0000 0000 0000 0000 0000048 0000 0000 0000 0000 Jet To display the next 1000H press the 0 1000 key To display the previous or next 50H use the J or T key To return to the System Maintenance Debug Mode screen press the Exit key 4 34 Service Manual TEC 7600 7700
129. is faulty Replace DSI AUX OUT interface unit the DSI interface unit or DSI AUX interface unit 2 10 Service Manual TEC 7600 7700 NIBP Mesurement 2 TROUBLESHOOTING Message Possible Cause Action NIBP air hose disconnected The air hose is disconnected from the NIBP socket Connect the air hose properly When NIBP monitoring is not necessary press the SILENCE ALARM key to silence the alarm The NIBP display can be cleared The air hose is damaged Replace the air hose with a new one Faulty NIBP unit Replace the NIBP unit NIBP air leak The cuff pressure does not change after Connect the cuff to the air hose inflation even after a certain period of properly time Connect the air hose to the socket properly The cuff or air hose is damaged Replace the cuff or air hose with a new one Faulty NIBP unit Replace the NIBP unit NIBP cuff occlusion The cuff pressure does not decrease Check that the air hose is not bent or after measurement has completed squeezed Faulty NIBP unit Replace the NIBP unit Cuff pressure abnormal Excessive pressure was applied by the cuff When measuring an adult ask the patient not to move too much Faulty NIBP unit Replace the NIBP unit NIBP module not working Faulty NIBP unit Replace the NIBP unit NIBP measurement time out The measuring time exceeded the specified time due to arrhythmia or noise If th
130. itch Dripproof sheet 2 Dripproof sheet 1 AC inlet ECG Connector board Speaker C065K12A0000 Main board Main key board Pacer board TEC 7631 series only Key board Inverter board included in CY 0008 LCD assy LCD unit included in CY 0008 LCD assy Battery pack NKB 301V HV inductor Relay unit AC DC unit Test Load board Recorder unit HV capacitor 5 5 5 REPLACEABLE PARTS LIST TEC 7721 7731 Series Defibrillator Index Code No Description 1 107546 1 O ring H 2401 P 9 2 551734 1 Ground terminal 3 619582 1 Spacer bolt BSB 322 4 619564 1 Spacer bolt BSB 312 5 619608 2 Spacer bolt BSB 365 6 6111 006519B 1 Main chassis 8 6113 017637D 1 Rubber switch defibrillation 9 6113 041468B 1 HV capacitor holder 10 6113 041495D 1 Battery bracket 11 6113 041521C 1 Energy Mode Select control knob 12 6113 044278A 1 AC DC unit bracket 13 6114 035802A 8 Paddle lock gasket 14 6114 069677A 8 Paddle lock spring K 718 15 6114 118241B 2 HV capacitor bracket 16 6114 118277B 1 Recorder unit bracket 17 6114 118312C 2 LCD sponge 2 18 6114 118321B 1 ZR blank panel 19 6114 118357C 2 HV capacitor sponge 20 6114 118366B 1 Speaker bracket 21 6114 122343A 1 ECG connector board bracket 22 6114 123431B 1 Battery sponge 1 23 6114 124377A 2 Test electrode plate 24 6141 000888B 1 Upper casing 25 6143 011747C 1 Front panel assy 26 6144 011139B 1 Operation panel assy 27 6114 118268C 1 LCD filter 28 6114 12
131. key board Replace the main key board front panel is detected external paddle is detected external paddle is detected sternum external paddle is detected When the NIBP unit is connected the Faulty NIBP unit Replace the NIBP unit NIBP START STOP key error is detected K516 The PACING START STOP key error Faulty pacer board Replace the pacer board is detected Faulty main board Replace the main board K507 K508 K509 The CHARGE button error front panel Faulty main key board Replace the main key board 1s detected Service Manual TEC 7600 7700 2 5 2 TROUBLESHOOTING Communication EmorCode Meaning PossibleCause Action C501 When the CO2 sensor kit is connected data is not received Faulty DSI AUX OUT Replace the DSI AUX OUT C502 When the SpO2 adapter is connected SpO data is not received interface board interface board When the NIBP itis connected die communication between the NIBP unit Faulty main board Replace the main board and sub CPU is not performed correctly When the ZB interface unit and transmitter are connected the Faulty transmitter Replace the transmitter communication between the transmitter Faulty main board Replace the main board and main CPU is not performed correctly The battery CPU does not transfer the Faulty main board Replace the main board battery data to the main CPU for more than 10 seconds When the power is turned on
132. lable 3 Before Operation 1 Check that the instrument is in perfect operating order 2 Check that the instrument is grounded properly 3 Check that all cords are connected properly 4 Pay extra attention when the instrument is in combination with other instruments to avoid misdiagnosis or other problems 5 All circuitry used for direct patient connection must be doubly checked 6 Check that battery level is acceptable and battery condition is good when using battery operated models 4 During Operation 1 Both the instrument and the patient must receive continual careful attention 2 Turn power off or remove electrodes and or transducers when necessary to assure the patient s safety 3 Avoid direct contact between the instrument housing and the patient 5 To Shutdown After Use 1 Turn power off with all controls returned to their original positions 2 Remove the cords gently do not use force to remove them 3 Clean the instrument together with all accessories for their next use 6 The instrument must receive expert professional attention for maintenance and repairs When the instrument is not functioning properly it should be clearly marked to avoid operation while it is out of order 7 instrument must not be altered or modified any way 8 Maintenance and Inspection 1 The instrument and parts must undergo regular maintenance inspection at least every 6 months 2 If stored for extended pe
133. lectrode plate 9 Remove the two M3 pan screws with washer and spring washers and remove the test load board 3 1 12 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the Speaker Service Manual TEC 7600 7700 WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor HV inductor relay unit paddle socket or paddles of the instrument Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing Remove the AC DC unit Refer to Removing the AC DC Unit Remove the main chassis and main board Refer to Removing the Main Board Remove the HV inductor Refer to Removing the HV Inductor Remove the HV capacitor and relay unit Refer to Removing the HV Capacitor and Relay Unit Remove the M3 pan screw with spring washer Remove the speaker cable from the test load board and remove the speaker Speaker Test load board 3 1 13 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the Pacer Board TEC 7631 Series Only 3 1 14 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing Remove the main chassis and main board Refer to Removing the Main Board Disconnect the following cables from the pacer board CNA301 cable Connects to the PACING O
134. mains voltage to 270 J maximum 5 s When powered by a fully charged new battery at 20 C ambient temperatur e to 270 J maximum 10 s After 15 discharges at 270 J with a fully charged new battery at 20 C ambient temperature to 270J maximum 10 s Charging display Displays the charged energy value on the screen Synchronized discharge Available From the peak of R wave to the peak of discharge within 60 ms Maximum continuous charge discharge cycles at 270 J 60 cycles 3 cycles per minute with 1 minute cool down period after every 1 minute charge discharge period 15 cycles 3 cycles per minute with no cool down period Load resistance First phase Second phase Q Ipk1 A D1 ms Ipk2 A D2 ms 25 67 3 3 85 15 5 3 62 50 41 1 6 35 12 7 3 62 75 29 5 8 86 11 0 3 62 100 22 9 11 4 9 81 3 62 125 18 8 13 9 8 96 3 62 150 15 9 16 4 8 29 3 62 175 13 8 18 9 7 76 3 62 1 24 Service Manual TEC 7600 7700 1 GENERAL Non Invasive Blood pressure NIBP When optinal SG 761VC VE VK NIBP Unit is installed Display parameters Measuring range Accuracy Safety Measurement mode Alarm Systolic pressure mean pressure diastolic pressure cuff pressure 0 to 300 mmHg 3 mmHg 0 mmHg lt NIBP lt 200 mmHg 4 mmHg 200 mmHg lt NIBP lt 300 mmHg Cuff inflation maximum pressure Adult 300 to 330 mmHg Neonate 150 to 165 mmHg Cuff inflation time limiter Adult 180 s Neonates
135. mer Customer Address Service Personnel Service Company Instrument Name Instrument Model Instrument Serial Number Hardware Revision Software Revision Overview Outside of instrument is clean Yes No No loose screws Yes No No physical damage no bent parts and no contact with liquid Yes Operation panel is not torn broken Yes No All keys buttons and controls are undamaged Yes No Power cord cables and pins of the paddle connector are not frayed and are correctly connected to the instrument Yes No Accessories Paddles pads and cables prepared Yes No Enough recording paper Yes No Sterilized internal paddle electrode prepared if necessary Yes No Enough disposable pads if necessary Yes No Enough contact gel GELAID Yes No Enough disposable electrodes Ys No Installation Instrument is installed in the proper location Yes No Specified 3 prong power cord and ground lead are used Yes No Battery is in the instrument Yes No Recording paper is loaded Yes No Options are correctly installed in the instrument Yes No Power on There is no fire smoke or smell Yes No There is no electrical shock when touching the instrument Yes FT Instrument is not abnormally hot Yes No Instrument does not affect surrounding equipment Yes No AC lamp lights when the AC power is supplied Yes No Battery charge lamp lights when the AC power is supplied
136. mon 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 Effect 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 In IEC 60601 1 2 Medical Electronic Equipment Part 1 General Requirements for Safety 2 Collateral Standard Electromagnetic compatibility Requirements
137. n the respiration is calculated by taking the CO concentration in the inspiration as 0 mmHg Therefore measuring CO by connecting the CO sensor kit to a patient under mouth to mouth respiration or to a Jackson Rees circuit or Mapleson D circuit where CO gas may be present during inspiration may result in the acquired data being lower than the actual value With the TG 901T3 CO sensor kit the defibrillator cannot monitor CO of patients younger than 3 years old or weighing less than 10 kg 22 Ibs Before MRI examination remove the CO sensor kit from the patient Failure to follow this warning may cause serious electrical burn on the patient due to local heating caused by dielectric electromotive force For details refer to the MRI operator s manual CAUTION The measurement may be inaccurate when a patient with an extremely high respiration rate or patient with irregular respiration is monitored Read the measured values carefully Measured value may be incorrect when the operating temperature changes greatly When the CO sensor not working or CO adapter abnormality message is displayed check the CO sensor kit and replace it if necessary CO cannot be monitored while the message is displayed Only use the specified parts Obey the CAUTION label on the CO gas cylinder After the lifetime of the CO gas cylinder expires the measurement accuracy cannot be guaranteed Service Manual TEC 760
138. nd polarity Make sure that the battery is installed with the correct polarity direction Otherwise the substance inside the battery leaks and the battery pack explodes Do not charge the battery pack with an instrument other than this defibrillator With another instrument abnormal current flows and the substance inside the battery leaks and the battery explodes Do not connect the battery pack to an AC outlet or lighter socket in a car The substance inside the battery leaks and the battery pack explodes WARNING Check the battery performance once a month When you start using a new battery pack write down the date of battery first use on the label on the battery pack Replace the battery pack every one year During the battery test the defibrillator cannot perform defibrillation or cardioversion with battery power Use the defibrillator on AC operation or use another defibrillator If the battery is deteriorated or is not charged enough defibrillation or cardioversion cannot be performed Do not immerse the battery pack in water or seawater The battery heats up and rusts and the substance inside the battery leaks Never use a battery pack which is damaged discolored or has leakage A damaged battery explodes if used WARNING continued Do not leave the battery unused for more than one year The battery may leak Service Manual TEC 7600 7700 Service Manual TEC 7600 7700 1 GENERAL CAUTION When insertin
139. nents yourself Measuring and Test Equipment Maintain the accuracy of the measuring and test equipment by checking and calibrating it according to the check and calibration procedures 1 3 1 GENERAL Service Policy Service Parts and Patient Safety Checks Service Policy Service Parts 1 4 Our technical service policy for this instrument is to replace the faulty unit board or part or damaged mechanical part with a new one Do not perform electrical device or component level repair of the multilayer board or unit We do not support component level repair outside the factory for the following reasons Most of the boards are multilayer boards with surface mounted electrical devices so the mounting density of the board is too high A special tool or high degree of repair skill is required to repair the multilayer boards with surface mounted electrical devices Only 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 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 troubleshooting tables Refer to Troubleshooting of this manual Refer to Replaceable Parts List of this manual for the service parts for technical service that we pro
140. ng 2 Remove the AC DC unit Refer to Removing the AC DC Unit 3 Disconnect the 052 cable from the main board and biphasic HV unit 4 Remove the M3 pan screws with spring washer and remove the battery connector Battery connector 052 3 2 18 Service Manual 7600 7700 Disassembly Installing the Optional Unit Gere 3 3 1 Installation Procedure enean noe aont naeh RR aka 3 3 2 Installing the VP 761V VC VE Voice Prompt 3 3 3 Operation nennen nnne nennen 3 3 3 Installing the QI 762V DSI Interface Board or QI 763V DSI AUX OUT internace Board 3 3 4 Operation 2 E 3 3 4 Installing the AC 761VA VC VE VK VI 12 Lead ECG Unit 3 3 5 Operation Check 3 3 6 Installing the SG 761VC VE VK NIBP Unit 3 3 6 Operation CHECK ME 3 3 7 Installing the QI 761V ZB Interface 3 3 8 de nnd 3 3 10 Service Manual TEC 7600 700 3 2C 1 This page is intentionally left blank 3 2C 2 Service Manual TEC 7600 7700 General Service Manual TEC 7600 7700 3 DISASSEMB
141. nnector without a or mark from the patient Otherwise the operator may get electrical shock and the connected instrument may be damaged Before defibrillation and cardioversion move all electrodes and medicine on the patient s chest to positions where the defibrillator paddle or disposable pad will not touch If the defibrillator paddle or disposable pad directly touches electrodes or medicine it causes skin burn on the electrode or medicine attachment site Do not carry or move the defibrillator when the charged energy remains in the defibrillator If the defibrillator falls it discharges energy and can cause electrical shock For this defibrillator the CONTACT lamp on the STERNUM paddle indicates skin paddle contact impedance If the yellow or orange lamp lights the defibrillator may cause serious electric burn on the patient s skin and poor energy discharge to the patient In case of an emergency medical personnel should decide whether to execute discharge immediately regardless of the CONTACT lamp display or take action to make good contact before discharge Pay careful attention to the energy selection when using the pediatric electrode plates Applying high energy with the pediatric electrode plates can cause serious electrical burn because the electrode plates are small Use the ECG monitoring electrodes disposable electrodes to monitor the ECG waveforms Stable ECG cannot be acquired with the PADDLE lea
142. nt HV capacitor biphasic HV unit terminal bracket paddle socket or paddles of the instrument 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the AC DC unit Refer to Removing the AC DC Unit 3 Remove the main chassis and main board Refer to Removing the Main Board 4 Remove the HV capacitor and biphasic HV unit Refer to Removing the HV Capacitor and Biphasic HV Unit 5 Remove the MG pan screw with spring washer 68 Remove the speaker cable from the test load board and remove the speaker Speaker Test load board Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the Pacer Board TEC 7731 Series Only Service Manual TEC 7600 7700 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing Remove the main chassis and main board Refer to Removing the Main Board Disconnect the following cables from the pacer board CNA301 cable Connects to the PACING OUTPUT control and PACING RATE control CNA226 cable Connects to the main board CNA042 cable Connects to the main board Remove the three M3 pan screws with spring washers and remove the pacer board CNA226 CNA042 CNA301 Pacer board 3 2 13 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the LCD Unit 1 Remove the battery pack memory card and lowe
143. o the NIBP socket on the NIBP unit 3 Turn the Energy Mode Select control to MONITOR position 4 Check that the NIBP display appears on the screen If it does not appear check that the NIBP board is correctly installed 7 Turn off the power of the defibrillator Service Manual TEC 7600 7700 3 3 7 3 DISASSEMBLY INSTALLING THE OPTIONAL UNIT Installing the QI 761V ZB Interface Unit 051 0522 1 Remove the AC DC unit FQ AC DC unit 1 J 3 4 ZR ZB COM board M3x6 spacer bolt M3x6 pan screw with spring washer Remove the three M3 screws with spring washers to remove the three ground leads Disconnect the cable 051 7600 CNA052 TEC 7700 from the AC DC unit Pull up the AC DC unit Disconnect the 001 cable from the AC inlet 2 Attach the ZR ZB COM board Attach the ZR ZB COM board to the main chassis and secure the ZR ZB COM board with the two M3x6 pan screws with spring washers and two M3x6 spacer bolts If another board has been installed you can attach the ZR ZB COM board on the spacers of the previously installed board The ZB interface board must be installed last I 253 Transmitter 3 Connect the ZS connection cable 1 Remove the two M3 pan screws with spring washers and remove the transmitter cable from ZS connection cable JW the transmitter 8 27 2 Connect the ZS connection cable to the Transmitter connection cable 3
144. okyo 161 8560 Japan Phone 81 3 5996 8036 Fax 81 3 5996 8100 10858065 DISTDSUCEE 169 5 MEAR 3008 8316 021 6469 9016 021 6486 7218 JUR SENSIS 2517505910880 3 S HAM 601 8815 010 6804 9531 010 6804 7366 T NEUE 371 375 8 te PRCA 2516 8816 020 8777 9108 020 8778 1882 RPO RESIS WHALE ARIAS 20 S 8316 024 2340 2565 EM 024 2383 2557 RRS MAP Ma 25 8 KIAM 420 8818 028 773 6236 028 773 6236 NIHON KOHDEN AMERICA INC 90 Icon Street Foothill Ranch 92610 USA Phone 1 949 580 1555 Fax 1 949 580 1550 European Representative NIHON KOHDEN EUROPE GmbH RaiffeisenstraBe 10 D 61191 Rosbach Germany Phone 49 6003 8270 Fax 49 6003 827599 NIHON KOHDEN ITALIA S r l Via San Tomaso 78 24121 Bergamo Italy Phone 39 35 219543 Fax 39 35 232546 NIHON KOHDEN 5 1 C Ulises 75A 28043 Madrid Spain Phone 34 917 161080 Fax 34 913 004676 NIHON KOHDEN SINGAPORE PTE LTD 70 Shenton Way 14 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
145. only be done by qualified service personnel To avoid the possibility of injury to yourself or damage to the instrument do not install or remove any component while the power is on When disassembling make sure that the instrument is off the AC power cord is disconnected from the instrument and the battery pack is removed from the defibrillator There are several high voltage units inside the instrument LCD backlight high voltage capacitor pacing DC DC converter and switching regulator CAUTIONS To avoid accidental discharge of static electricity which could damage the components of the instrument use a grounded wrist strap when installing or removing any component of the instrument Fuses on the main board and AC DC unit cut off the power when abnormality occurs in the instrument Eliminate the malfunction before replacing the fuse Use the correct fuse only e Use only parts recommended by Nihon Kohden to assure maximum performance from your instrument 3 3 2 Service Manual TEC 7600 7700 Installing the VP 761V VC VE Voice Prompt Board Service Manual TEC 7600 7700 3 DISASSEMBLY INSTALLING THE OPTIONAL UNIT Attach the voice prompt board to the main board and secure the voice prompt board with the four spacer bolts Operation Check For the defibrillator operation refer to the TEC 7600 or TEC7700 Operator s manual 1 Connect the AC power cord to the defibrillator and connect the oth
146. or relay unit paddle socket or paddles of the instrument Removal and replacement of any components in the instrument should only be done by qualified service personnel To avoid the possibility of injury to yourself or damage to the instrument do not install or remove any component while the power is on When disassembling make sure that the instrument is off the AC power cord is disconnected from the instrument and the battery pack is removed from the defibrillator There are several high voltage units inside the instrument LCD backlight high voltage capacitor pacing DC DC converter and switching regulator CAUTIONS To avoid accidental discharge of static electricity which could damage the components of the instrument use a grounded wrist strap when installing or removing any component of the instrument Fuses on the main board and AC DC unit cut off the power when an abnormality occurs in the instrument Eliminate the malfunction before replacing the fuse Use the correct fuse only e Use only parts recommended by Nihon Kohden to assure maximum performance from your instrument NOTE When the main boad is replaced with a new one do the following adjustment Refer to System Maintenance Screen Adjust AD Screen ECG sensitivity and offset Charge energy delivered energy TTR Battery charging setting Anti static bench mat Wrist ground strap Phillips screwdriver insulated type for M3 and M
147. ort term monitoring there may be burn or pressure necrosis from poor blood circulation especially on neonates or low birth weight infants whose skin is delicate Accurate measurement cannot be performed on a site with poor peripheral circulation When measuring SpO of a patient who is in a state of shock or in CPR cardiopulmonary resuscitation the acquired SpO data may be incorrect due to the patient s body movement Do not use the probe during MRI examination because it may cause skin burn on the probe attachment area For details follow the MRI operator s manual CAUTION For long term monitoring check the circulation condition by observing the skin color of the measuring site To avoid circulation insufficiency and skin burn change the measurement site every specified hours Refer to the operator s manual of the probe 1 18 Service Manual TEC 7600 7700 Service Manual TEC 7600 7700 1 GENERAL CAUTION continued Do not pull or bend the probe cable and do not let caster feet run over the probe cable Do not immerse the probe cable in chemical solutions or water Failure to follow these cautions may cause cable discontinuity short circuit skin burn on the patient and incorrect measurement data Replace any broken probe with a new one Under normal conditions normal light has negligible effect on this probe However when measuring under strong light surgical light sunlight etc cover the probe with
148. ot be recovered When the power is tuned off the AC power cord is disconnected while the Shutdown message is displayed Do not disconnect the AC power cord while the Shutdown message is displayed Faulty main board Replace the main board All settings set in the Setup screen and System Setup screen return to the default settings When the power is tuned off the AC power cord is disconnected while the Shutdown message is displayed Do not disconnect the AC power cord while the Shutdown message is displayed Faulty main board Replace the main board 2 12 Service Manual TEC 7600 7700 2 TROUBLESHOOTING Problem Possible Cause Action When the battery is installed the instrument suddenly changes to battery operation When the battery is not installed the instrument power suddenly drops Power voltage changed Check that the AC power cord is connected to the instrument If the trouble is not solved the AC DC unit or AC power cord faulty Replace the AC DC unit or AC power cord The date and time printed on the recording paper is incorrect Set the date and time on the Date Volume screen Refer to Section 3 of the Operator s manual The backup battery for the clock is discharged Replace the backup battery Faulty main board Replace the main board Defibrillation Problem Possible Cause Action
149. p the defibrillator and the immediate area clean and dry at all times CAUTION Install the defibrillator and ESU appropriately and perform equipotential grounding Otherwise noise from the ESU may be falsely recognized as QRS and ECG monitoring may not be performed properly Use only Nihon Kohden products and specified parts and accessories When other products parts or accessories are used the defibrillator heats up and breaks down and monitoring stops Do not reuse disposable products WARNING Connect only the specified instrument to the defibrillator by following the specified procedure Otherwise electrical leakage current may harm the patient and operator Connect only the specified instruments to the connector or sockets marked with A by following the specified procedure Otherwise electrical leakage current may harm the patient and operator Only use the provided power cord Using other power cords may result in electrical shock or other injury to the patient and operator When the provided power cord cannot be used operate the defibrillator on battery power For patient safety equipotential grounding of all instruments must be performed Consult with a qualified biomedical engineer Do not connect several grounding leads directly to the equipotential terminal because the grounding lead may be disconnected from the terminal CAUTION The defibrillator should only be connected to
150. p to about 250 mmHg and pinch the hose of the hand bulb pump 5 When the pressure becomes stable press the Start key to measure the pressure The valve 1 opens and the Start key changes to the Stop key The pressure difference between when the valve I opens and 50 milliseconds later is displayed in the Deflation Press column 6 Check that the Deflation Press pressure is within the range of 7 to 23 mmHg If the pressure difference is out of range the NIBP board or pneumatic component such as pump valve or tube is faulty 4 28 Service Manual TEC 7600 7700 Service Manual TEC 7600 7700 4 MAINTENANCE Checking 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 To NIBP socket P 72 mi dummy cuff 2 Select Valve 2 Open 50ms with the Item key 3 Immediately increase the pressure inside the dummy cuff with the hand bulb pump to about 250 mmHg and pinch the hose of the hand bulb pump 4 When the pressure becomes stable press the Start key to measure the pressure The valve 2 opens and the Start key changes to the Stop key The pressure diffrence between when the valve 2 opens and 50 milliseconds later is displayed in the Deflation Press column 5 Check that the Deflation Press pressure is within the range of 5 to 15 mmHg If the pressure difference is out of range the NIBP board or pneumatic compon
151. r casing Refer to Removing the Lower Casing 2 Remove the main chassis and main board Refer to Removing the Main Board 3 Remove the two M3 pan screws with spring washers and remove the LCD unit LCD unit NOTE When assembling pass the CNA131 film cable between the LCD EMC sponges 3 2 14 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the Main Key Board and Key Board 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the main chassis and main board Refer to Removing the Main Board 3 Disconnect the following cables Film connector Rotary switch cable 201 cable Connects to the test load CNA102 film cable Connects to the main key board and key board To remove the film cable from the film cable connector gently release the lock of the film cable connector with a small flat blade driver and your finger as shown in the expanded illustration Be careful because the film cable connector is easily damaged Film cable 4 Remove the three M3 pan screws with washers and spring washers and remove the main key board 5 Remove the two M3 pan screws with washers and spring washers and remove the key board To remove the Energy Mode Select control knob on the front panel 1 Remove the two allen screws on the Energy Mode Select control knob 2 Remove the knob nut washer and O r
152. r spike may not be distinguished and pacemaker failure may not be recognized 1 GENERAL Spo WARNING Measurement may be incorrect in the following cases When the patient s carboxyhemoglobin or methemoglobin increases abnormally When dye is injected in the blood When using an electrical surgery unit During CPR When there is body movement When there is vibration When measuring at a site with venous pulse When the pulse wave is small insufficient peripheral circulation When using an IABP intra aortic balloon pump When not monitoring SpO disconnect the SpO adapter cable from the defibrillator Otherwise noise from the probe sensor may interfere and incorrect data is displayed on the screen When using a disposable probe change the measuring site every 8 hours The skin temperature may increase at the attached site by 2 or 3 C and cause a burn or pressure necrosis When using the probe on the following patients take extreme care and change the measurement site more frequently according to symptoms and degree A patient with a fever A patient with a peripheral circulation insufficiency Neonate or low birth weight infant with delicate skin To avoid poor circulation do not wrap the tape too tight when fixing the probe with surgical tape Check the blood circulation condition by observing the skin color and congestion at the skin peripheral to the probe attachment site Even for sh
153. reached to the Faulty biphasic HV unit Replace the biphasic HV unit selected energy within the specified time Faulty HV capacitor Replace the HV capacitor A524 After charging the capacitor energy Faulty biphasic HV unit Replace the biphasic HV unit falls the specified value for each energy about 1596 above the selected energy After charging the actual charged Faulty biphasic HV unit Replace the biphasic HV unit energy is different from the selected energy 551 An IGBT of the switch 1 on the Faulty biphasic HV unit Replace the biphasic HV unit biphasic HV unit does not operate Faulty main board Replace the main board the biphasic HV unit does not operate Replace the biphasic HV unit seconds to complete A566 HV capacitor s voltage did not reach its Faulty biphasic HV unit Replace the biphasic HV unit target value 20 seconds after adjusted internal discharge An IGBT of the switch 2 on the Faulty biphasic HV unit Replace the biphasic HV unit biphasic HV unit does not operate the biphasic HV unit does not operate biphasic HV unit does not operate the biphasic HV unit does not operate The voltage of the HV capacitor Faulty biphasic HV unit Replace the biphasic HV unit exceeds its specified voltage Faulty main board Replace the main board When the disposable pad is used Faulty biphasic HV unit Replace the biphasic HV unit 12 596 or more of the charged energy Faulty main board Replace the main bo
154. riods without being used make sure prior to operation that the instrument is in perfect operating condition Service Manual TEC 7600 7700 i 3 Technical information such as parts list descriptions calibration instructions or other information is available for qualified user technical personnel upon request from your Nihon Kohden distributor 9 When the instrument is used with an electrosurgical instrument pay careful attention to the application and or location of electrodes and or transducers to avoid possible burn to the patient WARRANTY POLICY Nihon Kohden Corporation NKC shall warrant its products against all defects in materials and workmanship for one year from the date of delivery However consumable materials such as recording paper ink stylus and battery are excluded from the warranty NKC or its authorized agents will repair or replace any products which prove to be defective during the warranty period provided these products are used as prescribed by the operating instructions given in the operator s and service manuals No other party is authorized to make any warranty or assume liability for NKC s products NKC will not recognize any other warranty either implied or in writing In addition service technical modification or any other product change performed by someone other than NKC or its authorized agents without prior consent of NKC may be cause for voiding this warranty Defective products or parts m
155. rm for each lead is displayed with dotted lines Check the following No error message appears on the screen The ECG waveform is not frozen The system does not restart If any one of above malfunction occurs check that ECG 12L board and ECG COM board are correctly installed Turn off the power of the defibrillator Connect the connection cable to the CN2208 M3x8 pan screw with spring connector on the main board washer and washer 2 Attach the two spacer bolts M3x22 and M3x27 to the main chassis 3 Attach the NIBP board bracket to the main chassis and secure the NIBP bracket with the M3 8 pan screw with the spring washer and M3x8 pan screw with the spring washer and washer 4 Attach the NIBP board to the main chassis and secure the NIBP board with four M3x8 pan screws with the spring washers 5 Connect the connection cable to the NIBP unit Service Manual TEC 7600 7700 3 DISASSEMBLY INSTALLING THE OPTIONAL UNIT CAUTION Align the connector panel of the NIBP board to the cutout portion of the upper casing of the defibrillator Otherwise the connector panel or upper casing may be damaged cutout portion Front view Operation Check For the NIBP measurement refer to the SG 761 VC VE VK NIBP unit Operator s manual 1 Connect the AC power cord to the defibrillator and connect the other end of the AC power cord to the AC outlet 2 Connect the air hose t
156. s been installed remove it After attaching the ECG COM board attach another board ECG COM board must be installed first 2 Connect the ECG COM connection cable to the ECG COM board M3x8 pan Screws with spring washer 3 Attach the ECG 121 board bracket to the main chassis and secure the ECG 12L board bracket with the three M3x8 pan screws with spring washers Shield sheet 1 ECG 121 board bracket 4 Connect the two connection cables to the main board Connection cable 6 pin CN0103 Connection cable 12 pin CN0102 5 Attach the ECG 12L board and shield sheet 2 to the M3x8 pan screw with spring washer main chassis and secure them with the 4 screws ECG12L board Shield sheet 2 M3x8 pan screw 6 Connect the connection cable 6 pin connection wiin spring washer cable 12 pin and ECG COM connection cable to the ECG 12L board Service Manual TEC 7600 7700 3 3 5 3 DISASSEMBLY INSTALLING THE OPTIONAL UNIT Operation Check For the 12 lead ECG waveform measurement refer to the AC 761 VA VC VE VK VI 12 Lead ECG Unit Operator s manual 1 Installing the SG 761VC VE VK NIBP Unit Mx3 pan screw with spring washer M3x27 Spacer bolt 3 3 6 M3x22 Spacer bolt I Turn the Energy Mode Select control to the 12 LEAD ECG position The 12 lead ECG measurement screen is displayed When the patient cable is not connected to the patient the wavefo
157. seconds before safety circuit The NIBP safety circuit remeasurement operating message is displayed The air hose is disconnected from the NIBP socket The NIBP air hose disconnected message is displayed Connect the air hose properly When NIBP monitoring is not necessary press the SILENCE ALARM key to silence the alarm The NIBP display can be cleared The size of the measurement data on the screen is small The size of the measurement data changes to small 10 seconds after the last measurement Service Manual TEC 7600 7700 2 17 2 TROUBLESHOOTING Recording Problem Possible Cause Action Printing is blurred Dots are missing The specified recording paper is not used Use the specified recording paper The thermal head is dirty Clean the thermal head with the head cleaning pen If the trouble not solved The recorder unit is faulty Replace the recorder unit There is no printing The recording paper is not loaded Load new recording paper Recording unit door is not properly closed Close the door until it clicks The recording paper is set with the wrong side facing up Set the recording paper correctly Faulty key board If the lamp does not light when you press the record key check the key function and recorder with the System Maintenance screen If the recorder check is passed the key board is faulty Replace the
158. ser 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 iv Service Manual TEC 7600 7700 Explanations of the Symbols in this Manual and Instrument The following symbols found in this manual instrument bear the respective descriptions as given On main unit Check alarms Pacing stop Symbol Description Symbol Description Defibrillation proof type BF Alternating current A appliell part 3L Charging Equipotential Charged Battery charging is q finished 5 Dangerous voltage ECG lead 6 Input alll ECG sensitivity Ae ECG Alarm off q Pacing start eal time delayed recordin acing intensit Real time delayed ding Pacing i ity Attention consult operator s E gt Event recording Me Inserting or removing the memory card wl Defibrillation proof type CF applied part Output IPX1 Complying with IEC60529 IPX1 Complying with IEC60529 IPX4 IPX7 Complying with IEC60529 IPX7 Biphasic defibrillation 0086 The mark is a protected conformity mark of the European Community The products herewith comply with the requirements of the Medical Devic
159. sert the specified memory card Faulty memory card Replace the memory card Service Manual TEC 7600 7700 2 11 2 TROUBLESHOOTING Troubleshooting General Problem Possible Cause Action The instrument heats up The instrument is used for many hours There is no abnormality in the instrument Turn the Energy Mode select control to OFF position and disconnect the power cord No operation when the instrument is turned on The power cord is disconnected Firmly connect the power cord to the AC outlet and the defibrillator The battery is not installed Install the specified battery Faulty battery Replace the battery with a new one NKB 301V Remaining battery charge is low Charge the battery Faulty main key board Replace the main key board Faulty main board Replace the main board Faulty AC DC unit Replace the AC DC unit Screen is dim Waveform and characters are not seen Faulty LCD inverter board Replace the LCD inverter board Faulty LCD unit Replace the LCD unit Faulty main board Replace the main board The printed data is JAN 01 80 The backup battery is almost discharged Replace the main board Under normal use condition the backup battery lifetime is about 6 years The report data are not saved On the Setup screen the report data were deleted Deleted data cann
160. ssy CY 0008 LCD assy CY 0009 PRE assy HV 761V Relay unit HV drive board UR 0247 Main board UR 0250 Key board UR 0262 AC DC unit WS 761V Recorder unit ND 782VC External paddle for C version ND 782VE External paddle for E version ND 782VK External paddle for K version ND 611V Adult plate assy ND 782X External paddle assy Recorder 1 33 1 GENERAL 1 34 TEC 7631C TEC 7631E TEC 7631K CY 0006 Upper casing assy for E K version CY 0014 Upper casing assy for C version UR 0249 Main key board UR 0251 Test load board CY 0007 Lower casing assy CY 0008 LCD assy CY 0009 PRE assy HV 761V Relay unit HV drive board UR 0249 Main board UR 0253 Pacer board UR 0250 Key board UR 0262 AC DC unit WS 761V Recorder unit ND 782VC External paddle for C version ND 782VE External paddle for E version ND 782VK External paddle for K version ND 611V Adult plate assy ND 782X External paddle assy JC 755V Pad adapter Recorder Service Manual TEC 7600 7700 usns TEC 7721E TEC 7721K LCD assy PRE assy UR 02471 Main board UR 0250 Key board UR 0262 AC DC unit ND 782VE ND 782VK ND 611V ND 782X WS 751X Service Manual TEC 7600 7700 Recorder unit 1 GENERAL Upper casing assy Main key board Test load board Lower casing assy Biphasic HV unit T HV drive board Recorder External paddle for E version External paddle for
161. strument Chlorohexidine gluconate solution 0 5 Benzethonium chloride solution 0 2 Glutaraldehyde solution 2 0 Benzalkonium chloride 0 2 Hydrochloric alkyl diaminoethylglycine 0 5 Service Manual TEC 7600 7700 Service Manual TEC 7600 7700 1 GENERAL Caution continued Transport 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 When transporting a board or unit of the instrument be sure to use conductive bag on Never use an aluminum bag when transporting a board or unit 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 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 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 compo
162. t 2 1 jede sekkene 2 2 Beni 2 3 Operation Panel sesssssssssessssesesenee 2 5 Communication 5 avis coed oro UR exei LUN tie 2 6 Datta EOF 2 7 Pacing TEC 7631 7731 Series 2 0 4000 00 2 7 12 Lead EGG Meauremieri 455 Fo a aaa 2 8 MESSE e m 2 9 Iinstr mentand Spo METER 2 9 NIBP M surement 2 11 12 Lead ECG 2 11 TROUDIGSHOOUAG 2 12 E a M 2 12 DetibnllatiOni x 2 13 Er 2 13 815162169 D EE 218 Battery ses amici UE 2 18 Pacing TEC 7631 7791 Series Only se eren 2 19 Service Manual TEC 7600 7700 2C 1 This page is intentionally left blank 2C 2 Service Manual TEC 7600 7700 How to Troubleshoot Service Manual TEC 7600 7700 2 TROUBLESHOOTING Use this section to locate identify and solve a problem in the instrument or an error message displayed on the screen The troubleshooting tables in this section are divided into general problems
163. tenance Adjust AD screen press the Exit key Service Manual TEC 7600 7700 4 9 4 MAINTENANCE TEC 7621 7631 Series Defibrillator 4 10 Adjust HV AD Screen You can adjust the settings for delivered energy TTR and charged energy System Maintenance 2 Adjust H AD SELECT 300J 1 2 CHARGE AD 3 TTR AD 4 DELIVERED ENERGY WARNING This procedure must be performed when the delivered energy is out of the following range when you check delivered energy with the required delivery checker after replacing the HV capacitor HV inductor relay unit Selected energy level Allowable delivered energy range on the delivery checker 5 7 101 Required delivery checker for TEC 7600 series defibrillator Nihon Kohden 102 or Dynatec Impulse 3000 The checker must be checked for accuracy and performance every year by its manufacturer or approved electrical safety organization Procedure 1 Check and adjust the charged energy 1 When the Adjust HV AD screen is selected the SELECT 300J message appears on the screen Place the external paddles on the electrode plate of the delivery checker 2 Turn the Energy Mode Select control on the front panel to 300 J The PUSH CHARGE KEY message appears and the selected energy is displayed beside the message 3 Press the CHARGE button on the APEX external paddle The charged energy is displayed in the upper right corner of the screen and the elaps
164. tor in an MRI examination room The defibrillator may not operate properly due to high frequency magnetic noise from the MRI When performing MRI tests remove all electrodes and transducers from the patient which are connected to this defibrillator Failure to follow this warning may cause serious electrical burn on the patient due to local heating caused by dielectric electromotive force For details refer to the instruction manual for the MRI Using with ESU When using this defibrillator with an ESU the ESU return plate and the electrodes for monitoring must be firmly attached to the patient If the return plate is not attached correctly it may burn the patient s skin where the electrodes are attached Refer to the instruction manual for the ESU When using an ESU use this defibrillator only in the MONITOR mode and use the ECG electrodes for monitoring Do not monitor ECG with disposable pads external paddles or internal paddles Otherwise high frequency energy from the ESU causes abnormal current to flow in the patient and unexpected discharge This causes serious electrical burn shock or other injury and damages the defibrillator Service Manual TEC 7600 7700 Installation Service Manual TEC 7600 7700 1 GENERAL WARNING continued Surrounding Conditions Fluids such as Ringer s saline solution and blood are excellent electrical conductors to avoid creating potentially dangerous electrical paths kee
165. tor or biphasic HV unit always check the following TTR value Delivered energy Charge time Refer to System Maintenance Screen in Section 5 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the Test Load Board CNA201 Speaker cable Service Manual TEC 7600 7700 WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor biphasic HV unit terminal bracket paddle socket or paddles of the instrument Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing Remove the AC DC unit Refer to Removing the AC DC Unit Remove the main chassis and main board Refer to Removing the Main Board Remove the HV capacitor and biphasic HV unit Refer to Removing the HV Capacitor and Biphasic HV Unit 5 Disconnect the CNA201 cable to main board and speaker cable from the test load Test load board board 6 Remove the two M3 pan screws with washers and spring washers on the test electrode plate 7 Remove the two M3 pan screws with washer and spring washers and remove the test load board 3 2 11 3 DISASSEMBLY TEC 7721 7731 SERIES Removing the Speaker 3 2 12 WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage compone
166. ump and 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 TEC 7600 7700 4 21 4 MAINTENANCE 4 22 Examination Screen Checking the Pressure Sensors and Safety Circuit On the Examination screen you can display the accuracy of the normal pressure sensor and safety pressure sensor 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 Acceptable accuracy range of the normal pressure sensor Pressure Range Acceptable Accuracy Range 0 to 200 mmHg 3 mmHg 201 to 300 mmHg 4 mmHg Acceptable accuracy range of the safety pressure sensor Pressure Range Acceptable Accuracy Range 0 to 15 mmHg 2 mmHg to 3 mmHg 16 to 200 mmHg 8 mmHg 201 to 300 mmHg 12 mmHg 1 Connect the manometer and hand bulb pump to the dummy cuff using the Y branch connector Connect the dummy cuff to the instrument with the air hose ER To NIBP socket Y branch ve gt 700 dummy cuff gt da pz 2 On the Check NIBP screen select 2 Examination with the Item key and press the Exec key The Check N
167. ust be returned to NKC or its authorized agents along with an explanation of the failure Shipping costs must be pre paid This warranty does not apply to products that have been modified disassembled reinstalled or repaired without Nihon Kohden approval or which have been subjected to neglect or accident damage due to accident fire lightning vandalism water or other casualty improper installation or application or on which the original identification marks have been removed In the USA and Canada other warranty policies may apply CAUTION United States law restricts this device to sale by or on the order of a physician ii Service Manual TEC 7600 7700 EMC RELATED CAUTION This equipment and or system complies with the International Standard 60601 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 60601 1 2 can cause harmful interference to the equipment and or system or cause the equipment and or system to fail to perform its intended function or degrade its intended performance Therefore during the operation of the equipment and or system if there is any undesired deviation from its intended operational performance you must avoid identify and resolve the adverse electromagnetic effect before continuing to use the equipment and or system The following describes some com
168. ve the memory card if it is inserted CAUTION Make sure that the card eject button is depressed Otherwise the button may be damaged when removing the lower casing and the memory card slot becomes unusable 1 Unscrew the battery holder cover screw and remove the battery pack holder cover 2 Remove the battery cable and pull out the battery pack Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7621 7631 SERIES Remove the nine M4x10 binding head screws with washer and remove the lower Removing the Lower Casing casing 3 1 5 Service Manual TEC 7600 7700 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the AC DC Unit 1 Remove the battery pack memory card and lower casing Refer to Removing the Lower Casing 2 Remove the three M3 screws with spring washers to remove the three ground leads 3 Disconnect the CNAO051 cable to main unit battery pack and relay unit from the AC DC unit 4 Pullup the AC DC unit 5 Disconnect the 001 cable from the AC inlet 051 AC DC unit 001 3 1 6 Service Manual 7600 7700 3 DISASSEMBLY TEC 7621 7631 SERIES Removing the Main Board Removing the Main Chassis Service Manual TEC 7600 7700 WARNING The HV capacitor can store lethal amounts of energy Be sure to discharge this capacitor before touching any high voltage component HV capacitor HV inductor relay unit pa
169. vide NOTE When ordering parts or accessories from your Nihon Kohden representative please quote the NK code number and part name which is listed in this service manual and the name or model of the unit in which the required part is located This will help us to promptly attend to your needs Always use parts and accessories recommended or supplied by Nihon Kohden Corporation to assure maximum performance from your instrument Service Manual TEC 7600 7700 Patient Safety Checks Maintenance Equipments and Tools Service Manual TEC 7600 7700 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 IEC60601 1 Medical electrical equipment Part 1 General requirements for safety Protective earth resistance check Barth leakage current check Enclosure leakage current check Patient leakage current check Withstanding voltage check Test equipment When repairing or calibrating the instrument the following test equipment is required
170. with the monitor use Ag AgCl electrodes Other types of electrodes stainless steel in particular will adversely affect the ECG waveform by slowing the baseline recovery on the monitor and result in no monitoring immediately following defibrillation False low heart rate indicators may occur with certain pacemakers because of electrical overshoots Keep pacemaker patients under close observation The pacemaker rate may be counted during cardiac arrest and certain arrhythmias Do not rely only on heart rate alarms and the displayed heart rate The apex posterior placement is not suitable for ECG monitoring or AED analysis The anterior posterior placement is not suitable for defibrillation cardioversion ECG monitoring or AED analysis Use this placement only for pacing With the pacing pulse rejection ON narrow width QRS of a premature baby or infant cannot be detected correctly and the defibrillator may miscount QRS In this case set the pacing pulse rejection to OFF Turn the pacing pulse rejection to OFF when monitoring a child Otherwise child s QRS may not be recognized CAUTION When the Check ECG Electrodes message is displayed ECG cannot be monitored and the ECG alarm does not function Check the electrode ECG connection cable electrode leads and connection cable and if necessary replace it with a new one Turn the pacing pulse rejection to ON when monitoring a pacemaker patient Otherwise QRS and pacemake
171. x016f 0 01 0 0000 0 0267 0x03f f EXEC AD Wave screen To return to the A D View screen press the Exit key To return to the System Maintenance Menu screen press the Exit key Operation Time Screen System Maintenance Operat ionTime Discharge Times 2 200J 20 300 360J 60 Operation Time TEC 7621 7631 Series 4 32 11h33m This screen displays the count of internal and external discharges and operation time System Mainten Operat ionT ime Discharge Times 2 150J 37 200 270J 129 Operation Time 38h11m TEC 7721 7731 Series To return to the System Maintenance Menu screen press the Menu key Service Manual TEC 7600 7700 4 MAINTENANCE Version Up Screen This screen is used to update programs and data for the instrument with a version up card When a version up card is inserted into the memory card slot the program versions of the instrument and version up card are displayed in the upper right corner of the screen Depending of the contents of the version up card No is displayed for items that are not updated Program version and message System Maintenance Version Up 1 Program 5 Voice Message 6 12LEAD Program 7 12LEAD Message 8 12LEAD Font Change PC CARD eee Card type Version Message Function key Program card Instrument lt Version up card Versionup Start Instrument gt Vers
172. y TEC 7731 series defibrillator 8 4 kg External paddles use AC unit w o battery 7 5 kg Pad adaptor use AC unit w o battery 1 28 Service Manual TEC 7600 7700 Panel Description Front Panel TEC 7600 Series 7 TEC 7700 Series 7 4 NIHON KOHDEN CardioLife v 50 0 Y Y NIHON KOHDEN CardioLife 10 09 SLN Re NE SpO2CO2 y Y 10 Name Energy Mode Select control SYNC button SYNC lamp CHARGE AED button CHARGE button DISCHARGE button Screen ECG input connector 1 GENERAL Al 3 MONITOR poe SYNC 2 CHARGE AED 5 DISCHARGE 4 BEE 2 CHARGE AED DISCHARGE 2 4 JE FE 5 connector on the optional QI 762V DSI Interface Unit 10 Paddle connector Service Manual TEC 7600 7700 1 29 1 GENERAL 11 12 13 14 15 16 17 18 19 20 21 Name Record key Recording lamp Event key Event lamp ECG lead key ECG sensitivity key SILENCE ALARM key Alarm setting key AC lamp Battery charging lamp Battery charge complete lamp Top Panel TEC 7631 7731 Series Only 3 PACING RATE ppm 5 i 4 5 STOP ee BE
173. ying high energy to the heart may cause cardiac muscle necrosis Low energy is recommended During charging and discharging grip the internal paddles between the guard at the top of the handle and the cable If you grip the handle between the electrode and the guard you may get an electrical shock Before discharging confirm that the paddles are firmly positioned against the heart Failure to follow this warning causes serious skin burn or poor energy discharge to the heart Do not perform open discharge into the air This may cause electrical shock to the operator or damage the defibrillator CAUTION Do not twist the internal paddle holding the electrode part or give strong impact to the paddle It damages the electrode part When connecting the internal paddles to the paddle connector do not bend or damage the connector pin Otherwise energy cannot be discharged to the paddles Do not discharge when the paddles touch each other This may damage the defibrillator Service Manual TEC 7600 7700 1 GENERAL WARNING Do not attach pads on the papilla electrodes or medicine on the patient s body Failure to follow this warning causes serious skin burn Fit the pad closely to the body surface so that current flows uniformly through the pad Failure to follow this warning causes serious skin burn or insufficient energy discharge to the heart When you perform defibrillation in an ambulance stop the car Dur

Download Pdf Manuals

Related Search

Related Contents

Humax LP32-TDR1 User's Manual  NAD Electronics C315BEE User's Manual  User manual and installation (7991)  Installation Instructions and Service Manual  1：` 91.4∼` 93.9のセダンのみ下記部品が必要です。  

Copyright © All rights reserved. Failed to retrieve file