Cardioline ® AR 1200 VIEW - Frank`s Hospital Workshop
Contents
1. 2 5 3 I 8 l L a 5 ay 51 en o 5 IB L c Lm l NM E m o P n SERI rr C CJ j B E 5 NT Has REED SS tt 1 2 z Gela sO aL HS vet amp 4 D E OQ r D hi TTT O2. e e eG EST P d I oaen pr a E CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 31 www cardioline biz oN jm le 38 ARI200VIEW T VISTA INTERNA FISSAGGI medi eS INSIDE VIEW FIXING T 2b 1 VITI FISSAGGIO SCHEDA MADRE MOTHER BOARD FIXING SCREWS VITI FISSAGGIO DISPLAY DISPLAY FIXIN G SCREWS VITI FISSAGGIO SISTEMA SCRIVENTE WRITING SYSTEM FIXING SCREWS A VITI FISSAGGIO CHIMOGRAFO MOTOR SYSTEM FIXING SCREWS 5 VITI FISSAGGIO SCHEDA TASTIERA KEYBOARD FIXING SCREWS 6 SCHEDA TAST IERA KEYBOARD
3. FLAT CONNETTORE TASTIERA 4 KEYBOARD FLAT CONNECTOR FLAT CONNETTORE INVERTER INVERTER FLAT CONNECTOR FLAT CONNETTORE MOTORE b NEM MOTOR FLAT CONNECTOR re o A DG INTERFACCIA SERIALE I R SERIAL INTERFACE LR 2 _ FLAT CONNETTORE TESTA TERMICA THERMAL HEAD FLAT CONNECTOR ea g FLAT CONNETTORE T SCHEDA SENSORE TACCA M MARK SENSOR BOARD 9 iN FLAT CONNECTOR III la
4. motherboard 6 1 4 Internal circuit power supply This consists of the following power supplies v 5 V generated by a switching type voltage regulator 5 VI VL to supply the patient input analogue circuits on the hybrid circuit insulated part 3 3 V generated by a linear regulator to supply the control logic 3 V reference voltage for the A D converter amp VTPH voltage obtained from the battery to supply the thermal head This voltage is limited to a current of 5A and stabilised in voltage at 25 Vdc enabled only when printing Testing internal circuit power supplies ref sheet 2 el diag v Check fuse F1 T 5A v f no power is supplied to the internal circuits replace the motherboard 6 1 5 ECG acquisition This consists of the following parts v A Patient input connector v Protection against defibrillator discharges v Signal polarisation circuit v Hybrid circuit for amplification filter and clamp 6 1 6 Motor control This consists of the following parts v Stroboscopic sensor control v Phase comparator between reference frequency and motor feedback Y Current amplifier for motor power supply 6 1 7 Display control This consists of the following parts Y Display controller S1D13704 EPSON v Buffer adapter level from 3 3V to 5V v Step up converter for LCD power supply 6 2 Display assembly This consists of the following parts v Graphic LCD monochromatic 320 x 240 pixel 4 7 inch eff
5. part code is also indicated on the label identifying the main subassemblies inside the device To order a spare part use the corresponding code number List of soare parts for the ar2100 view device code 80600062 Spare part code Description Ref Note 69700788 FUSE 0 5 AT 5X20MM 10PCS Installed on mains plug 69701148 FUSE 5 A SMF SLO BLO SMD 10PCS Installed on mother board 69701307 BLACK MARK PHOTOSENSOR BOARD AR 600 AR 1200 69701352 BATTERY PACK 5 5 X 1 2V 69701354 MOTOR ASSEMBLY GERAS AR 1200 Il SERIE 69701358 PAPER SPINDLE PAPER BOARD GUIDE AR 1200 69701360 MAINS PLUG SOCKET AR 1200 69701361 THERMAL PRINTER WRITING SYSTEM AR 1200 69701363 MAINS POWER LABEL 115V E 230V 69701440 DISPLAY GR SUPPORTO AR 1200 VIEW 69701441 DISPLAY GLASS FOR AR 1200 VIEW 69701492 ELECTRONIC KEYBOARD BOARD AR 1200 VIEW EXT 69701502 MOTHER BOARD IRDA AR1200VIEW EXT C LINE 69701502E MOTHER BOARD IRDA AR1200VIEW EXT C LINE 69701503 KEYBOARD TRADE MARK LABEL AR1200VIEW EXT C LINE 69701511 BATTERY COVER WHITE 69701515 PAPER GUIDE RUBBER ROLL AR 1200 WHITE 69701517 BOTTOM CASE AR1200VIEW WHITE 69701578 UPPER CASE AR1200VIEW WHITE Table 12 1 The replacement motherboard is supplied complete with basic software in English and S N 00000000 To reinstall the configuration before the replacement of the motherboard the following data must be supplied v device code number REF v serial number SN v language v options purchased e
6. the bottom edge of the paper v the thermal head is extremely sensitive to electrostatic potentials it is recommended always to follow the work procedures described in appendix A 8 9 Removing mark sensor board table T2a Proceed as follows Y proceed as in chapter 8 3 for opening the equipment and removing the mother board v to remove the sensor board force it upwards using a suitable tool It is glued into its compartment inside the upper casing see table T2a Ref 2 v to replace the board it is necessary to clean the area in which it is fitted position it correctly in its compartment with the output of the flat towards the paper compartment and stick it down with instant glue CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 18 www cardioline biz wy N jm lo EN ARI200VIEW v to close the equipment perform the operations in inverse order v the replacement of the sensor card requires its calibration see chapter 8 8 10 Dismantling the paper feed table T1 The paper compartment door system is a mechanical device inserted in the casing accessible from the outside driven by the motor of the equipment which transports the heat sensitive paper It is located above the paper compartment and covers it completely To remove this part proceed as follows Y nsert a tool in the special hollow in the left hand wall of the equipment where the paper comes out and exe
7. 0 1 Inspection frequency To guarantee a long and safe duration the instrument and its accessories must be periodically inspected and checked Table 9 indicates the type and frequency of controls required based on normal use of the electrocardiograph about 4000 ECG recordings per year Warning Check immediately if there are events not referring to normal use General and safety tests Type of operation Frequency months full discharging and charging of battery 2 check and clean printer head 3 visual inspection of the device patient cable and accessories 6 execution of self test 6 check and clean paper roller 12 check paper speed 12 check keys and keyboard 12 check keyboard membrane 12 clean paper compartment and mark presence sensor 12 check patient cables and electrodes 12 check whole amplification chain sensitivity test 12 replace battery 12 check calibrations 12 check leakage currents 24 Table 9 CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 21 www cardioline biz wy N jm lo EN ARI200VIEW 11 Cleaning and disinfection 11 1 Cleaning the device electrodes and patient cable v Device use a cloth dampened with water or ethyl alcohol Do not use other chemical products or household detergents v Electrodes remove the electrodes from the patient cable and wash under running water Do not scratch the electrodes and do n
8. 3 channels at 5 mm s if the device shows the battery is flat within the first 5 minutes the battery should be replaced 6 4 Keyboard card The keyboard consists of v 18 function keys v 10 alphanumeric keys v 1LED for mains line indication v CPU connection through bi directional synchronous serial port Testing the keyboard card circuits v Execution of keyboard self test 6 5 Printer unit This consists of the thermal printer head support and the mechanical elements required to position it correctly v 864 dot high resolution printer head 8 dots per mm v support v paper feed unit consisting of 1 direct current reduction gears equipped with stroboscopic speed control v mark detection sensor Testing the print unit v Execution of printer self test 6 6 IR Module v The function of the IR module is to transmit and receive data from an external PC The IR module can be used to perform the following functions Updating firmware Loader Batch ECG transmission L E M S v Realtime ECG transmission R T E ir Consult the specific manual for further information CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 14 www cardioline biz 7 ARI200VIEW CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 15 www cardioline biz 7 Trouble Shooting Remedy The device does not switch on in a
9. E VISTA LATERALE SIDE VIEW SIDE VIEW um SPORTELLO CARTA T PAP ER COMPARTMENT INGRESSO PAZIENTE TASTO RESET VISTA DASOTTO PATIENT INPUT RESET KEY Pe BOTTOM VIEW BD O i 1 1 3 7 8 4 VITI FISSAGGIO FONDO MOBILE pen LOWER HOUSING FIXING SCREWS 4 ETICHETTA IDENTIFICATIVA 7 IDENTIFICATION LABEL i INDICAZIONE CONNESSIONE BATTERIA BATTERY CONNECTION LABEL 9 VITE FISSAGGIO SPORTELLO VANO ACCUMULATORE B BATTERY COMPARTMENT LID FIXING SCREW 3 2 30V G0 60 Ho 0 08A 8 COLLEGAMENTO BATTERIA 2 BATTERY CONNECTION 73 SPORTELLO VANO ACCUMULATORI e BATTERY COMPARTMENT LID o Service Manual o 45V 50 60 Hz 018A 9 Rel 1 01 Ed 1 0 2006 07 01 BATTERIA BATTERY PACK CARDIOLINE is an et medical devices SpA brand 30 www cardioline biz oF N jm le ARI200VIEW VISTA INTERNA COLLEGAMENTI INSIDE VIEW CONNECTIONS 12a 230V 0 115V g 1 CAMBIO TENSIONE i MAINS POWER CHANGE 2 SCHEDA SENSORE TACCA MARK SENSOR BOARD 3 FLAT CONNETTORE DISPLAY DISPLAY FLAT CONNECTOR
10. ECG software R T E has an optional HES module for automatic interpretation of the ECG signal By updating the firmware Contact your distributor for further details CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 4 www cardioline biz wy N jm lo EN ARI200VIEW 1 1 Particular recommendations and warnings This service manual is for the use of competent technical staff only Always use the equipment according to the instructions in this manual The device is equipped with a set of standard accessories For reasons of safety reliability and conformity with the Medical Devices Directive 93 42 EEC use only original accessories or accessories approved by the manufacturer The device is equipped with a special long life thermal head writing system which allows maximum writing precision To avoid frequent and costly replacements and repairs always use the original paper or paper approved by the manufacturer The manufacturer will not accept liability for any damage to the device or any other adverse effect caused by the use of unsuitable paper Do not subject the device to impact or excessive vibrations Do not allow liquids to penetrate inside the device If this should accidentally occur have the device tested by an Authorized Assistance Centre to verify its functional efficiency before using it again Make sure that the value of the supply voltage corres
11. RDIOLINE 115V 115V 50 60 Hz Code 80509531 80509532 diagram subassembl 30500086 num Block diagram 20002439 20002439 Sensor board CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 37 www cardioline biz 7 ARI200VIEW Page intentionally left blank CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 38 www cardioline biz
12. W 3 Inputs and outputs Direct connections from the ar2100 view to external equipment may only be made using the IR serial port not by cable 3 1 Connection to the patient input port 1e 00000000 OO OOOO Port from connection side Pin 1 IN C2 electrode C2 Pin 2 IN C3 electrode C3 Pin 3 IN C4 electrode C4 Pin 4 IN C5 electrode C5 Pin 5 IN C6 electrode C6 Pin 6 AGND analogue ground Pin 7 NC Pin 8 DGND digital ground Pin 9 IN electrode R Pin 10 IN L electrode L Pin 11 IN P electrode F Pin 12 IN C1 electrode C1 Pin 13 NC non connected Pin 14 IN N electrode N Pin 15 NC non connected CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 7 www cardioline biz wy N jm lo EN ARI200VIEW 4 Testing the safety characteristics The safety regulations envisage two important tests v _ The leakage currents test measures the value of the currents lost in relation to the safety of the patient and the operator Warning All safety tests must be performed according to standards EN 60601 1 1990 paragraphs 19 20 EN 60601 2 25 1995 unless otherwise specified in the local safety regulations 4 1 Leakage currents test Warning This test must be performed every time the device has been opened for inspection and or repair and in any event every two years unless otherwise specified by the local safety regulations Connect the el
13. a EN AR1200VIEW Unfiltered sinusoidal Relative tolerance of input signal in Hz signal 10 Hz 10 mm From 0 67 to 40 10 From 40 to 100 10 3090 From 100 to 150 10 30 Table 5 5 Note The 0 5 Hz pitch linear phase anti drift filter is always on and cannot be switched off The 50 or 60 Hz filter eliminates modified notch digital type mains disturbances in the linear phase with a frequency response of 32 Hz 3dB Service Manual Rel 1 01 Ed 1 0 2006 07 01 11 CARDIOLINE is an et medical devices SpA brand www cardioline biz oN jm lo EN ARI200VIEW 6 Functional blocks 6 1 Mother board The motherboard is based on the following principal components 6 1 1 Processor v 32 bit Fujitsu MB91101 RISC microprocessor with 12 MHz clock v 2x4Mbstatic rams v 2x8Mb flash memories including the following software e boot code e operating system software e applications software e calibration data ECG archive Y Execution of static ram self test 6 1 2 Connection to mains The equipment must be connected to a mains voltage 115 V or 230 V 10 50 60 The mains voltage switch is located under the label see table 11 rif 5 6 Changing mains voltage imply the replacement of the mentioned label Only original ones can be used to assure proper electrical isolation In order to change mains voltage move the 3 jumper as illustrated in the picture below Changing mains voltage does not
14. ailure condition CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 8 www cardioline biz oN jm lo ARI200VIEW 5 Testing the main technical characteristics of the ecg Warning All tests must be performed in compliance with the provisions of the related general detailed and performance safety regulations listed in the technical characteristics section 5 1 Instruments necessary a sample mV generator with the following characteristics b low frequency sine wave generator c ECG simulator 5 2 Sensitivity test v setthe device up to record 6 channels on leads V1 to V6 with sensitivity of 20 mm mV v connect the patient cable to the device Y connect terminals C1 C6 of the patient cable connected to the device to the positive pin of instrument 5 1 a connect all the other cable terminals to the negative pin of instrument 5 1 a v record the signal for a few seconds v check that the amplitude of the recorded signal is 20mm 5 on all channels 5 3 Testing the ECG leads switch the device on connect the patient cable to the device v connect the red termination of the patient cable to the positive pin of the instrument specified in point 5 a a and the remaining wires to the negative pin v Start recording and check that the amplitude in mm of the signal and its polarity positive or negative comply with the values indicated in table 5 3
15. brated in factory using proper screws and nuts B Reconnect all cables close the equipment and check print quality If the printout is not uniform on all the paper width do the following Remove the back cover Insert tool inthe location trim clockwise or counterclockwise in order to have the bestprint head lineament max allowed 1 lap CARDIOLINE is an et medical devices SpA brand www cardioline biz Service Manual Rel 1 01 Ed 1 0 2006 07 01 34 oN jm lo EN ARI200VIEW TEST POINT TESTA TERMICA THERMAL HEAD TEST POINT 15 108mm 339 NSEC CLOCK 3MHz PIN 6 DI J49 tsetup DATA thold DATA DATA PIN 24 DI J49 tsetup LATCH thold LATCH LATCH PIN 7 DI J49 1 msec 470 usec STROBE 1 e2 PIN 8 e 9di J49 STROBE 3e4 PIN 22 e 23 di J49 tsetup DATA minimo 50 nsec thold DATA 2 minimo 50 nsec tsetup LATCH minimo 200 nsec thold LATCH minimo 50 nsec CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 35 www cardioline biz oN jm lo ARI200VIEW 17 Revision Sheet Revision Sheet Service Manual ECG AR 1200 VIEW Lang English CODE 80509531 80509532 REV OM DESCRIPTION S DC 01 02 CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 36 www cardioline biz oN jm lo EN ARI200VIEW DIAGRAMS LIST ECG ar 1200 view CA
16. ce Modified notch digital filter 50 60 Hz with response 32 Hz 3dB CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 25 www cardioline biz wo N jm le EN ARI200VIEW linear phase on off filter Anti drift 0 5Hz high pitch linear phase filter always on cannot be switched off Serial interface Infrared Keyboard Membrane keyboard with 18 function keys 10 alphanumeric keys and 1 power on indicator Led Display 320x240 dot backlit graphic LCD monochromatic 4 7 inch effective display area 100x75 mm Optional programmes Parameter calculation optional ECG HES interpretation optional Arrhythmia programme optional HRV heart rate variability optional Type of use continuous Operating modes Manual acquisition and printing in real time Automatic simultaneous acquisition ECG Autotimer acquisition at user defined intervals Optional Paper Saving signal acquisition in simultaneous mode with possibility of copying or storing on PC PC ECG signal transmission in real time to Personal Computer with R T E programme Arrhythmia Monitor signal monitoring with recognition of arrhythmic events HRV analysis analysis RR interval variability in a specific period Option Memory ECG measurements ECG interpretation arrhythmia HRV PC archiving PC ECG Battery capacity Internal battery 100 min with printing in 3 channels mode Recharging time Internal batt
17. e based on CMOS technology may be irreparably damaged by even modest electrostatic discharges Precautions must be taken against electrostatic discharges when handling and working on electronic components sensitive to electrostatic discharges ELECTROSTATIC SENSITIVE DEVICE ESD Staff involved in checking warehousing shipping and assembly operations must be earthed through a suitable conductive bracelet compliant with safety standards If this precaution cannot be taken the operator must wear suitable antistatic shoes or boots Work equipment must be earthed Tables work surfaces and other surfaces on which components are handled must be covered in conductive material and earthed All tables and work surfaces must be covered with a layer of conductive material and earthed The person performing the repair must be earthed with a suitable protective bracelet compliant with safety regulations The material must be contained in suitable antistatic bags or containers and labelled according to MIL STD 129J The containers must guarantee adequate protection against impact and handling during transport All E S D components must be stored in their original boxes and kept in special metal containers While stored in the warehouse electronic components must be kept in their original packaging Any containers used must be exclusively in metal and or conductive material If handled directly the personnel must adopt the precautions specified abo
18. ective area 100x75 mm v Step up converter for back lit lamp power supply Testing the display v Execution of display self test 6 3 Battery NiMH battery 12V 1800 mAh v The battery is protected against short circuits by a Polyswitch 3 5A Yv Complete recharging requires at least 18 hours or longer The battery can be partially recharged in this case to prolong the life of the battery it should be fully discharged and recharged every 2 months v A Replace the battery with one of equivalent type voltage and capacity Attention In order to ensure a correct equipment operation and safety replace the battery with original et medical devices battery pack Warning The battery must only be removed if the device is off and the mains supply cable disconnected CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 13 www cardioline biz oN jm lo EN ARI Z00VIEW Do not dispose of a spent battery as ordinary refuse or litter Note The operation of the device is not guaranteed if the battery is flat or missing Note The configuration parameters and any stored ECGs are not lost when the battery is changed Note Update the system date and time after replacing the battery Battery check Proceed as follows to check the efficiency of the battery Leave the battery on charge for at least 18 hours Disconnect the mains cable v Activate printing of an ECG in manual mode on
19. ectrocardiogram to the battery charger and then connect this assembly to the measuring instrument according to the instrument s manual recalling that 1 The leakage current to the casing is measuring between the mains supply circuits and a metal sheet no greater than 20 x 10 cm pressed against the casing of the device 2 The leakage current in the patient is measured between the mains and the applied part For connection to the applied part use the patient lead itself 3 The leakage current in the patient with mains voltage directly on the applied part first failure condition is measured between the meta sheet connected to the device and the applied part 4 The auxiliary current in the patient is measured singly on each electrode excluding the reference electrode compared to all the other electrodes connected together Note Make the measurements following the indications in the instrument user manual and check that the leakage current values measured are less than or equal to those listed in table IV Table IV Admissible permanent values for leakage and auxiliary currents in the patient in mA milliamperes Current path CF type N C S F C Leakage current to earth 0 5 1 Leakage current in case 0 1 0 5 Leakage current in the patient d c a c 0 01 0 05 Leakage current in the patient 0 05 mains voltage in applied part Auxiliary current in patient d c a c 0 01 0 05 N C Normal condition S F C First f
20. ery 18 hours Housing protection category IP 20 CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 26 www cardioline biz oF N jm lo ARI Z00VIEW Environnemental conditions operation Environment temperature from 10 C to 40 C Relative humidity from 25 to 95 without condensation Atmospheric pressure from 700hPa to 1060 hPa transport and storage Environment temperature from 10 C to 40 C Relative humidity from 10 to 95 without condensation Atmospheric pressure from 500 to 1060 hPa Dimensions 320 x 72 x 240 mm length x height x depth Weight 2150 grams without paper EN 60601 1 1990 Conformity to standards EN 60601 1 A1 1992 EN 60601 1 A2 1995 EN 60601 1 A13 1995 General standards for safety of electromedical equipment EN 60601 1 2 1993 Standards on electromagnetic compatibility of electromedical equipment EN 60601 2 25 1995 EN 60601 2 25 A1 1999 Particular safety standards for electrocardiographs IEC 60601 2 51 Ed 1 2003 02 Particular standards on essential recording and analysis performance safety of single and multichannel electrocardiographs CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 27 www cardioline biz wy N jm lo EN ARI200VIEW 15 APPENDIX A 15 1 Procedures for manipulating and storing components ESD All modern electronic components particularly thos
21. h Class power supply 230 V 10 50 60 Hz 115 V 10 50 60 Hz 160 mA at 115 V 10 80 mA at 230 V 10 Maximum current absorbed Mains protection Fuse T 0 5 A Internal power source 12 V 1800 mah NiMH Internal power supply protection Pico fuse SHF SLO BLO T 5 A Littelfuse Applied part CF type Defibrillation protection Internal Input dynamic 300 mV 0 Hz 10 mV in the bandwidth Input impedance gt 100 MQ on each electrode Common mode rejection gt 100 dB with electrode impedance balanced Frequency response 0 5 150 Hz 3dB Time constant 3 3 S Acquisition 11 bit 1000 samples s channel printing and filters 500 samples s channel in calculation and filters Resolution 5 uV bit 12 STANDARD leads Leads 12 CABRERA leads 12 Personalise leads 8 acquired 4 derived III aVR aVL aVF Signal memory 10 seconds for each lead in auto mode Recording sensitivity 5 10 20 mm mV 5 auto 2 5 10 20 mm mV 5 dependent on number of channels printed Writing system Thermal printer 8 dot mm Usable print height 108 mm Print channels Auto mode 3 6 3 R Manual mode 3 6 Paper feed rate 5 mm s 10 25 50 mm s 5 Video speed 12 5 25 50 mm s Heat sensitive paper roll in 120 mm gridded length 20 m Z fold pack in 120x100 mm width x length sheets gridded length 30 m Pacemaker recognition Records impulse in compliance with IEC 60601 2 51 Ed standards 1 Filters Mains interferen
22. her board Check signals on test point table T8 are present If good replace thermal head unit otherwise replace motherboard Clean thermal head Execute printer self test replace thermal head unit if some dots are missing aper not suitable without black page Clean mark sensor Perform mark sensor calibration CARDIOLINE is an et medical devices SpA brand www cardioline biz oF N jm le EN ARI200VIEW Possible cause symptom Remedy Replace print unit Paper feed defective or paper Check paper guides are not damaged finished message with paper present Clean rubber roller Replace print unit EC signal disturbed or anomalous Error message on display on printout See user manual The device stops during use No functions operational no Press reset button on right side of commands accepted device Blank display Backlit lamp blown or step up Check for brightness regulation converter failed Replace display assembly No data on display Check for contrast regulation Perform display self test Verify proper flat connection between mother board and display assembly Verify on display connector J49 presence of LCD data signal level from 0 trough 5 V if present replace display assembly otherwise replace mother board 8 How to dismantle and reassemble the device 8 1 General precautions Disconnect the mains cable before opening the unit See chapter 15 procedures for handling ESD components T
23. il jac i P alll M S 0 B a i ui 606 6 b CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 32 www cardioline biz eJ Yzis e M Sie ARI2OOVIEW VISTA PARTICOLARI d Cds DETAILS VIEW T 3 69701354 CHIMO GRAFO MOTOR ASSEMBLY 69701358 PIASTRA GUIDA CARTA PAPER BOARD GUIDE MO ZZO PORTACARTA PAPER SPINDLE 69701515 69701361 SPORTELLO CAR TA SIST EMA SCRIVEN TE PAPER FEED WRITING SYSTE d RULLO GUIDA CARTA PAPER GUIDE ROLLER FLAT STAMPANTE FLAT THERMAL HEAD CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 33 www cardioline biz eJ Yzis e M E ARI2OOVIEW ISTRUZION DI MONTAGGIO PER LA STAMPANTE N B Prima di aprire l apparecchio scollegare rete e accumulatore A Fissare il gruppo stampante fornito gi tarato con viti e rondelle B Eseguire le connessioni elettriche chiudere l apparecchio e verificare la qualit di stampa Nel solo caso di stampa non uniforme procedere come segue Togliere il solo fondo mobile Inserire l attrezzo nel foro regolare l allineamento dellatesta termica ruotando in senso orario o antiorario l apposito ingranaggio max 1 giro dell attrezzo WRITER MOUNTING INSTRUCTIONS Note Remove Mains and battery pack before servicing the equipment A Fix witer assembly already cali
24. menu as described below 9 1 1 Self test The device is pre set to execute self testing of the main functions the access sequences for the various menus are guided on the display Two types of self testing may be performed USER 1 and SERVICE 2 according to the tests to be executed USER To enter the self testing menu switch on the device press the MENU key and select and confirm the TOOLS SELF TEST USER 1 submenu using the arrow key DOWN The following tests are available in the operator section Display pixel scan The presence of blank areas signifies faulty operation of the display Keyboard the position of the single keys is simulated in the display Pressing a given key the corresponding area of the display is highlighted in reverse A lack of response in any one area indicates that the relative key is faulty Printer the system prints two triangular waves the character set in the memory and signals with different speeds and sensitivities Irregularities in the printing system are indicated by the presence of non continuous lines burnt dots Memory a non destructive test is performed on the memories the data in the memory are not cancelled and a report of the following type is then printed all tests OK CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 19 www cardioline biz oN jm lo EN ARI200VIEW lt lt lt ar1200 view MEMORY TEST gt gt gt B
25. modularity versatility and capacity to be updated which characterise the latest generation of cardioline electrocardiographs ar1200 view is a portable electrocardiograph with dual power supply mains and rechargeable internal batteries which in the basic configuration will v record an ECG exam in automatic or manual mode v reproduce the ECG signal on 120 mm paper in 3 6 channel format thanks to the high resolution thermal printer v Storage of the most recent recording in automatic mode and print additional copies In just a few minutes your ar1200 view can be equipped with memory option to store up to 40 full ECG exams with no need to print out immediately on paper paper saving mode ECG measurements option automatic ECG parameter measurement program v ECG signal interpretive option a useful and dependable diagnostics support provided by the HES program v arrhythmia option program enabling detection of arrhythmia events during continuous recording v A HRV analysis option program enabling detection of variations in heart rate L E M S PC archive option to store the exam to archive on a Personal Computer running L E M S Local ECG Management System software v R T E PC ECG option for real time display of the twelve leads on your computer screen to allow management of patient medical records and archiving of exams in digital format using R T E Real Time
26. nd the print unit emits a 1 impulse per second signal If the speed has to be calibrated select change and increase or decrease the frequency to set the paper feed speed entered When the speed has been set correctly select and confirm with exit The permitted tolerance values for the various paper feed speeds are as follows v 50 mm s 5 v 25mm st 5 v 5mm st 10 9 1 4 Metres of paper printed Displays the number of metres of paper printed 9 1 5 Firmware upgrades Enables upgrading of the instrument s internal firmware The firmware upgrade menu can be accessed from the main menu pressing the Shift S keys together Note Refer to the Loader programme manual for further information 9 1 6 Print Screen Enable print screen for internal use only It is highly recommended to leave this function disabled 9 2 Print head alignment In case of print head adjustment remove mother board as per 8 3 then follow instructions provided in table T4 repeat adjustment until the best result is obtained CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 20 www cardioline biz oN jm lo EN ARI200VIEW 10 Periodic maintenance The ar1200 view electrocardiograph has been designed to assure a high degree of reliability during the life cycle of the product Any incorrect conditions of use or anomalous operation will be signalled by messages on paper and on the display 1
27. ng the keyboard card table T2b 18 8 6 Removing the display table T2b 18 8 7 Removing the motor assembly table T2b 18 8 8 Removing the printer assembly table T2b 18 8 9 Removing mark sensor board table T2a 18 CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 2 www cardioline biz wy N jm lo EN ARI200VIEW 8 10 Dismantling the paper feed table T1 19 8 11 Dismantling and replacing the keyboard membrane table T1 19 9 Calibration and setting 19 9 1 General information 19 9 1 1 Self test 19 9 1 2 Mark calibration 20 9 1 3 Speed calibration 20 9 1 4 Metres of paper printed 20 9 1 5 Firmware upgrades 20 9 1 6 Print Screen 20 9 2 Print head alignment 20 10 Periodic maintenance 21 10 1 Inspection frequency 21 11 Cleaning and disinfection 22 11 1 Cleaning the device electrodes and patient cable 22 11 7 Clean thermal head 22 11 3 Cleaning the paper feed roller 22 11 4 Cleaning the mark sensor 22 12 Spare parts list 23 13 Interconnections with medical systems 24 14 Technical characteristics 25 15 APPENDIX A 28 15 1 Procedures for manipulating and storing components ESD 28 16 APPENDIX B 29 16 1 Figures and illustrated tables 29 17 Revision Sheet 36 CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 3 www cardioline biz oF N jm lo EN ARI200VIEW 1 Introduction ar1200 view combines reliability
28. ny Mother board keyboard card The device does not switch on when in mains mode The device does not switch on when in battery mode The battery does not charge Keyboard keys not working The paper feeds through without printing Anomalous printout Does not print automatically or does P not paginate the trace correctly recognition mark Rel 1 01 Ed 1 0 2006 07 01 16 Service Manual Mains LED indicator off The device has not been charged for long enough Mains LED indicator off Defective battery The key pressed not enabled for the specific function Paper not suitable without black page recognition mark wy N jm lo EN ARI200VIEW Holding down the ON OFF key measure 12Vdc on J52 keyboard connector pin 3 if absent replace the keyboard card if not replace the motherboard Check mains fuses if OK replace motherboard Check T5A fuse on motherboard Check efficiency of battery and replace if necessary Leave the device charging for at least 24 hours Check mains fuses if OK replace motherboard Check efficiency of battery and replace if necessary Check T5A fuse on motherboard Execute keyboard self test and if it fails replace keyboard card Check that original paper is being used Check the paper has been inserted correctly Check that the 26 Vdc VTPH power supply to the thermal print head is present when printing is active If not replace the mot
29. o reassemble the device perform the operations described below in reverse order ensuring that all subassemblies and connections are performed correctly 8 2 Opening and closing the device table T1 v Remove battery pack as per 8 4 v Remove the 6 fixing screws from the mobile base T1 Ref 1 v Liftthe mobile base of the device v Remove the lower mobile part To reassemble the equipment proceed in reverse order 8 3 Removing the mother board table T2b v Proceed following the instructions in chapter 8 2 v Remove 2 screws T2b Ref 1 v Liftthe patient connector side of the board and disconnect the following CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 17 www cardioline biz wy N jm lo EN ARI200VIEW e keyboard flat e thermal head flat motor flat mark sensor card flat e display connector flat inverter flat To reassemble the motherboard proceed in reverse order Warning Replacing the motherboard means that the paper feed speed and mark presence sensor must be recalibrated 8 4 Removing the battery table T1 Proceed as follows Y lay the equipment on a soft work surface with the bottom of the casing facing upwards v remove the door of the battery compartment after having slackened its retaining screw table T1 Ref 2 v disconnect and remove the set of batteries table T1 ref 8 9 To reassembly proceed in inverse orde
30. oot CRC OK Application CRC OK Language CRC OK Ram Memory OK Info The following items of information are printed model identification serial number of the device details of software installed version and language code reference of any options installed SERVICE To enter the self testing menu switch on the device press the MENU key and select and confirm the TOOLS SELF TEST SERVICE 2 submenu using the arrow key DOWN When the access code is requested press the following keys FILTER AMPLITUDES SPEED START and confirm the following tests are available in the service section 9 1 2 Mark calibration Confirm the submenu MARK CALIBRATION 1 position the mark at a distance from the sensor visible near the exit from the device and confirm enter The microprocessor automatically reads the sensor output voltages voltage with white paper and black mark and then sets the digital trimmer that regulates the photodiode current to the optimal settings and then stores them The mark calibration voltages are shown on the display as is the numerical position of the digital potentiometer 9 1 3 Speed calibration Testing and setting Select and firm the SPEED CAL 2 submenus and the speed to calibrate The following messages then appear on the display Output PWMO Output Freq xxxx Hz with the possibility of selecting from test change exit Confirming the test command enables the paper feed a
31. or by an Authorized Assistance Centre the a c mains power supply of the premises in which the device is used corresponds to current regulations e the device is operated according to user instructions e any accessories in use are those approved by the manufacturer CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 5 www cardioline biz wy N jm lo EN ARI200VIEW 2 Description of the device The device consists of the following basic elements 2 1 Mother board This is a Fine line multilayer printed circuit board for mounting SMD components lt houses most of the electronic circuits of the device 2 2 Battery Battery Pack made of 10 cells NIMH 12V 2 3 Display Display assembly is composed of frame monochromatic LCD display 320 x 240 pixel 4 7 inch as well as a step up converter 2 4 Keyboard The keyboard card consists of the device functional keys and LED messaging devices 2 5 Printer unit This consists of the thermal printer head support and the mechanical elements required to position it correctly 2 6 IR Module RS232 The function of the IR module is to transmit and receive data from an external PC 2 Motor assembly The DC motor with gears for paper speed Also included strobo disk for soeed feedback CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 6 www cardioline biz wy N jm lo EN ARI200VIE
32. ot wash the leads box and the patient socket v A Patient cable do not immerse in water use a cloth dampened with alcohol or an equivalent solvent Note the device cannot be sterilized The electrodes can be sterilized with ethylene oxide 11 2 Clean thermal head To clean the printer thermal head correctly use a cloth slightly dampened with alcohol or an equivalent solution with the device off Proceed as follows v open the paper feed v pass the cloth over the dots of the thermal head without pressing too hard Warning the printer thermal head is extremely sensitive to electrostatic potentials Do not touch it for any reason If necessary handle it after connecting to a ground via a suitable protective bracelet or belt 11 3 Cleaning the paper feed roller To clean the paper feed roller correctly remove it and use a soft cloth lightly dampened with alcohol or an equivalent solvent turning the roller to clean the whole surface 11 4 Cleaning the mark sensor To clean the mark sensor correctly use a cloth slightly dampened with alcohol or an equivalent solution with the device off Proceed as follows v remove the paper feed v pass the cloth over mark sensor without pressing CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 22 www cardioline biz wy N jm lo EN ARI200VIEW 12 Spare parts list The code numbers of the spare parts are listed in table 12 1 The spare
33. ponds to that indicated on the data plate of the device If you are using the device in connection with others ensure that all connections are made by skilled persons all connections comply with safety regulations all other devices connected respond likewise to regulations Non compliance with these regulations can cause physical harm to the patient connected and to the person operating the device Should it be difficult to obtain the necessary information for assessing the risk of the individual connections apply directly to the manufacturers concerned or avoid making the connections In the event of other equipment being connected directly or indirectly to the patient check for the possible risks caused by the sum of the leakage currents on the body of the patient The device is protected against defibrillation discharges in accordance with IEC standard 601 1 25 to ensure that the signal is restored use only original electrodes or electrodes responding to IEC and AAMI standards If an electrosurgical scalpel is in use the patient cable should be disconnected from the device In any event the greatest care should be taken when using defibrillators or high frequency surgical devices at the same time as the ECG If you have any doubts while using such devices disconnect the patient from the electrocardiograph temporarily The device recognizes the impulses generated by a pacemaker and does not interfere with its operation as prescribed by
34. r Warning Respect the correct polarity of the battery connection as specified in Table T1 ref 7 8 8 5 Removing the keyboard card table T2b v Proceed as described in chapter 8 3 v Remove 5 screws T2b Ref 5 replace the keyboard card To reassembly proceed in inverse order 8 6 Removing the display table T2b v Proceed following the instructions in chapter 8 2 v Remove the 5 screws attaching the display to the housing T2b Ref 2 v Remove display 8 7 Removing the motor assembly table T2b v Proceed as described in chapter 8 3 v Remove 2 screws T2b Ref 4 and remove the motor assembly To reassembly proceed in inverse order 8 8 Removing the printer assembly table T2b Proceed as follows v proceed as in chapter 8 3 for opening the equipment and removing the mother board from the equipment v remove the 2 retaining screws of the printer assembly see table T2b Ref 3 remove it from its seat taking care not to damage the dots of the thermal head with hard objects Y proceed in inverse order to fit the printer assembly paying particular attention to the positioning of the mechanical part with Screws washers etc if the printer assembly is equipped with thermal print head regulation see table T4 v to obtain long life of the thermal head using exclusively the heat sensitive paper recommended by the manufacturer DOT CARD in rolls and packs with height 120 mm is advised The order code is marked on
35. rate v switchon the device and connect the patient cable connect terminals C1 C6 of the patient cable to the positive pin of instrument 5 1 8 connect all the other cable terminals to the negative pin of instrument 5 1 a using the instrument with a square wave of 1 Hz and an amplitude of 1 mVpp x amp record the signal on leads V1 f V6 v measure the length of the wave cycle recorded on the paper The results should be as follows Period 50 mm 5 for a feed rate of 50 mm s Period 25 mm 5 for a feed rate of 25 mm s Period 5 mm 10 for a feed rate of 5 mm s 5 5 Frequency response test v switchon the device and connect the patient cable connect terminals C1 C6 of the patient cable to the positive pin of instrument 5 1 a connect all the other cable terminals to the negative pin of instrument 5 1 a set the sine wave generator to 10Hz with an amplitude of 1mVpp select leads V1 f V6 and a sensitivity of 10 mm mV make a recording and adjust the amplitude of the generator so as to obtain a 10 mm excursion of the signal recorded vary the generator frequency from 0 5Hz to 100Hz with constant amplitude amp amp AASA 0X check that the frequency response is in accordance with the values in table 5 5 CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 10 www cardioline biz Amplitude of signal in mVpv 1 1 0 5 a7
36. require mains fuses rate modification 230 V 50 60Hz 0 08A 115V 50 60Hz 1 Bottom view Warning Changing mains voltage imply the replacement of the mentioned label Only original ones can be used to assure proper electrical isolation In order to change mains voltage move the 3 jumper as illustrated in the picture below The Manufacturer declines all responsibility for any damage caused as a result of tampering 6 1 3 Battery charger The battery charger section consists of the following parts v Adapter circuit 230 115Vac switched trough jumper on the equipment bottom out 22 Vac fuse protected and PTC protection against overheating v Mains filter against electromagnetic disturbances v Rectification voltage stabilisation and current limitation circuits Testing the battery charger circuit see sheet 2 el diag v If the mains on led does not light up check using the following procedure v Disconnect the mains cable v Check the externally accessible mains fuses Disconnect the battery from the device as indicated in chapter 8 4 CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 12 www cardioline biz oy N jm lo EN ARI200VIEW v Connecta amperometer to the free terminal caps v Connectthe mains cable the reading should indicate a current of 150 mA 15 v If the reading is outside the range of values indicated replace the
37. rt pressure upwards so as to release the paper compartment door v This assembly must be disassembled before inserting a roll or pack of paper when cleaning the roller and always before opening the equipment v Toreassembly it slip it into place with the rubber roller towards the inside of the equipment and holding it up on the other side As soon as it is inserted press gently down on the raised side so as to snap it shut Note If the roller is not clean and the paper compartment door is badly inserted or fastened the paper transport is faulty and the equipment functions incorrectly 8 11 Dismantling and replacing the keyboard membrane table T1 The keyboard plate is an elastic membrane fitted on top of the keyboard to allow its control buttons to be pressed This self adhesive plate is stuck onto the top of the equipment To replace it when worn lift one corner using a fine blade and pull it off the casing If any adhesive is left on the casing you must remove it by rubbing with your fingertips To fit a new plate center it with the corners in the space provided and press gently over the whole surface Note A broken or cracked keyboard membrane compromises the safety of the device 9 Calibration and setting 9 1 General information This device has a system to automatically set the paper feed speed and mark detection sensor The device does not require further setting The calibration system may be accessed from the service
38. standards in use at the time of drafting this manual Avoid exposing the equipment to extreme temperatures excessive dust or dirt and very salty or damp environments observe the ambient conditions described in detail under the Technical specifications heading Periodically check the efficiency of all accessories and of the device itself Use the built in test function to perform an initial efficiency check Contact the Authorized Assistance Centre whenever the device seems to be operating irregularly To prolong the life of your ar1200view have it periodically checked at an Authorised Assistance Centre Warning do not use the device in the presence of anaesthetics or volatile gases Warning the indications obtained using automatic interpreting programs or other diagnostic aids must be reviewed and countersigned by a qualified medical person Warning the device is provided with an IR interface for the transfer of data to other devices The IR interface must not be masked even accidentally as this will adversely affect its capability and its operation interrupting and preventing the correct flow of data Warning Environmental protection When no longer in use the device must be disposed of according to local regulation do not dispose as ordinary refuse The manufacturer will acknowledge liability for the safety reliability and functional efficiency of the device only if e modifications and repairs are performed by the manufacturer
39. t medical devices will send the corresponding firmware binary file to load through the Loader application which will install the correct S N and enable the options previously purchased Warning Once the firmware has been reloaded with a specific S N it cannot be further modified Note The data requested can be printed out directly by the instrument using the info function on the self test menu CARDIOLINE is an et medical devices SpA brand 23 www cardioline biz Service Manual Rel 1 01 Ed 1 0 2006 07 01 wo N jm lo ARI200VIEW 13 Interconnections with medical systems The device has an RS232 infrared interface to communicate with a PC equipped with specific programmes This type of connection guarantees the insulation required for connection with medical systems The communication with a PC occurs through a proprietary protocol a standard IRDA protocol cannot be used et medical devices has validated the following IR interface devices for installation on the COM port of a PC v Extended System mod ESI 9680B JETEYE v ACTISYS ACT IR220L Note Do not install the drivers on the cd rom supplied on the PC If the drivers should have been inadvertently installed uninstall them CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 24 www cardioline biz oF N jm lo EN ARI200VIEW 14 Technical characteristics A c mains power supply Device wit
40. v repeat the measurements in sequence with the remaining active terminations G V C1 C2 C3 C4 C5 C6 of the patient cable using the method described in c and check that the values correspond to those indicated in table 5 3 CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 9 www cardioline biz oF N jm lo EN ARI200VIEW PATIENT CABLE AND LEADS TEST CONNECTIONS FOR THE TEST INSTRUMENT PATIENT CABLE CONNECTIONS Connector Patient cable terminations N 1 Termination to positive apart from black D N 4 Terminations to negative with 5 wire cable 0000008000 N 9 Terminations to negative with 10 wire cable Square wave signal from Electrocardiograph amplification 1mV 10mm 1Hz 1 1 mVpp 3 signal recorded in mm 5 TABLE OF VALUES Term LEADS AND VALUE OF IMPULSE to I II III aVR aVL aVF Vi V2 V3 V4 V5 V6 positive mm mm mm mm mm mm mm mm mm mm mm mm R 10 10 0 10 5 5 3 3 3 3 3 3 3 3 3 3 3 3 G 10 0 10 5 10 5 3 3 3 3 3 3 3 3 3 3 3 3 V 0 10 10 5 5 10 3 3 3 3 3 3 3 3 3 3 3 3 C1 0 0 0 0 0 0 10 0 0 0 0 0 C2 0 0 0 0 0 0 0 10 0 0 0 0 C3 0 0 0 0 0 0 0 0 10 0 0 0 C4 0 0 0 0 0 0 0 0 0 10 0 0 C5 0 0 0 0 0 0 0 0 0 0 10 0 C6 0 0 0 0 0 0 0 0 0 0 0 10 Table 5 3 5 4 Testing the paper feed
41. ve During handling cards must be stored in suitable antistatic containers Each component sensitive to electrostatic discharges will be identified by the abbreviation ESD In the Warehouse area containers are labelled with a suitable symbol Follow all the instructions in this procedure when dealing with E S D components Warning The manufacturer is not responsible for any damage to the device caused by insufficient or inadequate treatment handling or work methods CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 28 www cardioline biz CARDIOLINE 16 APPENDIX B 16 1 Figures and illustrated tables T2a T2b T3 T4 T5 External view Internal view connections Internal view fixing Particular view Writing system calibration Thermal head test point Service Manual Rel 1 01 Ed 1 0 2006 07 01 29 AR1200VIEW CARDIOLINE is an et medical devices SpA brand www cardioline biz an VISTA DA SOPRA mecca TOP VIEW 60 WUE WERE oy N jm lo EN ARI200VIEW TI cardiette D 3 A 055 PS ar 1200 view TARGHETTA TASTIERA KEY LABEL VISTA POSTERIORE VISTAAN TER IORE REAR VIEW FRONT VIEW mm me SPINA D I RETE ni INTERFACCIA SERIALE MAINS PLUG SERIAL INTERFACE LR VISTA LATERAL
42. wy N jm lo EN ARI200VIEW TECHNICAL SERVICE MANUAL ELECTROCARDIOGRAPH MODEL Cardioline AR 1200 VIEW P N 80509531 80509532 C 0470 CARDIOLINE is an et medical devices SpA brand Service Manual Rel 1 01 Ed 1 0 2006 07 01 1 www cardioline biz wy N jm lo EN ARI200VIEW 1 Introduction 4 1 1 Particular recommendations and warnings 5 2 Description of the device 6 2 1 Mother board 6 2 2 Battery 6 2 3 Display 6 2 4 Keyboard 6 2 5 Printer unit 6 2 6 IR Module RS232 6 Zi Motor assembly 6 3 Inputs and outputs 7 3 1 Connection to the patient input port 7 4 Testing the safety characteristics 8 4 1 Leakage currents test 8 5 Testing the main technical characteristics of the ecg 9 Isl Instruments necessary 9 De Sensitivity test 9 dd Testing the ECG leads 9 5 4 Testing the paper feed rate 10 me Frequency response test 10 6 Functional blocks 12 6 1 Mother board 12 6 1 1 Processor 12 6 1 2 Connection to mains 12 6 1 3 Battery charger 12 6 1 4 Internal circuit power supply 13 6 1 5 ECG acquisition 13 6 1 6 Motor control 13 6 1 7 Display control 13 6 2 Display assembly ES 6 3 Battery 13 6 4 Keyboard card 14 6 5 Printer unit 14 6 6 IR Module 14 Trouble Shooting 16 How to dismantle and reassemble the device 17 8 1 General precautions 17 8 2 Opening and closing the device table T1 17 8 3 Removing the mother board table T2b 17 8 4 Removing the battery table T1 18 8 5 Removi
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