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Fukuda Denshi FX-7542 Service Manual

Electrocardiograph
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Service Manual
• Before setting up/maintenance, please read this service manual carefully.
• Keep this manual where it can be always referred to.

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Summary of Contents for Fukuda Denshi FX-7542

  • Page 1 Service Manual • Before setting up/maintenance, please read this service manual carefully. • Keep this manual where it can be always referred to.
  • Page 2 Copyright © 2007 by Fukuda Denshi Co., Ltd. No part of this document may be copied or transmitted in any form without the prior written permission of Fukuda Denshi Co., Ltd. Printed in Japan...

  • Page 3: Notice

    Notice This manual contains technical information on the FX-7542 aimed at Fukuda Denshi service representatives and professional engineers. Before performing maintenance the unit, read the manual carefully and use it to help you work correctly and safely. When you have finished using the manual, store it carefully in a designated location.

  • Page 4: Servicing Precautions

    Servicing Precautions In servicing the FX-7542, observe the following. DANGER Never remodel the medical electronic equipment. If remodelled, the equipment may not ensure safe operation, thereby causing accidental hazards to the patient and operator. CAUTION The service manual is intended for the service engineers of Fukuda representatives and the technical staff concerned with medical electronic equipment.

  • Page 5: Equipment Classification

    If the user operates the instrument as it is, he/she may receive an hazardous accident. Equipment Classification The FX-7542 is classified into the following equipment: 1. Protection against electrical shock Class I, Internally powered 2. Type against electrical shock Applied part: Type CF 3.

  • Page 6: Overview Of The Manual

    Overview of the Manual This manual consists of the following 9 chapters. Contents of each chapter are briefly explained below. Chapter 1 Component Names and Functions The locations and functions of the unit's operation panel, switches, connectors, and other components. A list of specifications is also given. Troubleshooting is given in a flowchart by symptom.

  • Page 7: Table Of Contents

    Contents Notice ································································································································ i Safety······················································································································ i Servicing Precautions ····························································································· ii Equipment Classification ························································································· iii Overview of the Manual ··································································································· iv Contents···························································································································· v Component Names and Functions ······························································· 1 − 1 Chapter 1 Unit (top and side faces)·································································································· 1 − 1 Unit (rear and bottom faces)····························································································...
  • Page 8 Clock settings·····································································································3 – 24 Maker settings····································································································3 – 25 Periodical inspections ······································································································3 – 28 Periodical inspection intervals and precautions ·······················································3 – 28 List of periodical inspection items ············································································3 – 28 Safety inspections (6 items)·····················································································3 – 29 Before checking the leakage current ··································································3 – 29 Checking the earth leakage current (current that flows to protective earth resistance)···············································3 –...
  • Page 9 Chapter 6 Spare Parts List······························································································· 6 – 1 MAIN BOARD (PCB-7085) ································································································ 6 – 1 LCD CN BOARD (PCB-7092)···························································································· 6 – 24 INTERFACE BOARD (PCB-7093)····················································································· 6 – 25 ECG AMP BOARD (PCB-6731) ························································································ 6 – 26 ECG AMP BOARD (PCB-6699) ························································································ 6 – 31 OTHER SPARE PARTS LIST····························································································...
  • Page 10 viii...

  • Page 11: Component Names And Functions

    Chapter Component Names and Functions Unit (top and side faces) ..............1-1 Unit (rear and bottom faces) .............. 1-3 Operation panel ................... 1-4 Specifications list................1-7...

  • Page 13: Unit (Top And Side Faces)

    Chapter 1 Component Names and Functions Unit (top and side faces) An LCD, operation panel, and paper magazine are provided on the top face of the unit, and PC and CF card unit, patient cable connector, and option module slot are provided on the side of the unit.
  • Page 14 Chapter 1 (5) Paper magazine Load the recording paper in here. (6) Thermal head Records ECG waveform and prints analysis result. (7) CF card unit Stores ECG data in a CF card and replays the data. (8) PC card device Stores ECG data in a PC card and plays back the data.

  • Page 15: Unit (Rear And Bottom Faces)

    Component Names and Functions Unit (rear and bottom faces) An AC inlet, potential equalization terminal, serial port, LAN port, external CRT terminal, and analog I/F connector are provided on the rear face of the unit. (17) Battery slot (11) AC inlet (13) Serial ports 1 to 3 (15) LAN port (14) External CRT terminal...

  • Page 16: Operation Panel

    Chapter 1 Operation panel Operate the ECG on the operation panel. ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ (1) On/Off Stby key Set the power to ON or OFF. (2) Patient key Switches patients.
  • Page 17 Component Names and Functions (4) Review key Starts recording the ECG waveform of 10 sec. earlier. (5) Exercise key Starts/stops ECG during or after a stress/exercise test. (6) 1 mV key Outputs calibrated waveform. (7) Inst key Resets the input waveform. (8) Mark (paper feed) key Prints marks during recording, and feeds paper during suspension.
  • Page 18 Chapter 1 (20) ↓ ↑ ← → keys Used to move the cursor. (21) Dot key Enters a dot. (22) Alt key Switches characters. (23) Caps key Fixes to upper or lower-case character entry. (24) Smbl key Switches to symbol entry. 1 - 6...

  • Page 19: Specifications List

    Component Names and Functions Specifications list Leads Standard 12 leads Standard sensitivity 10mm/mV Sensitivity 1/4, 1/2, 1, 2cm/mV, or automatic ±550mV or greater Polarization voltage Frequency response 0.05 to 150Hz Time constant 3.2 sec Common mode rejection 2mmp-p or lower (103dB or more) Input impedance 50M ohms or greater Input circuit current...
  • Page 20 Chapter 1 1 - 8...

  • Page 21: Troubleshooting

    Chapter Troubleshooting Power supplies within the equipment ..........2-1 Power supplies for ECG AMP (EE-20, EE-21) ........2-2 Symptoms and remedies..............2-3 The equipment is not started even if the power is set to “ON.”2-4 Operation with battery cannot be performed ......2-4 Troubleshooting on the power supply voltage on the main board ................

  • Page 23: Power Supplies Within The Equipment

    Chapter 2 Troubleshooting Outline Even if troubleshooting is performed, the trouble or the failure may not be solved. Refer to the description in this chapter as guidelines for repairing the equipment. Power supplies within the equipment As shown below, DC power voltages to be used for various devices (+24V, +12V, +5.0V, +3.3V, +2.0V, +1.8V, -5.0V, and -8.0V) are created within the equipment using AC power or DC battery power.

  • Page 24: Power Supplies For Ecg Amp (Ee-20, Ee-21)

    Chapter 2 Power supplies for ECG AMP (EE-20, EE-21) Since the ECG AMP is insulated, the power is supplied through a push/pull circuit using a pulse transformer (FT-2155). +5VF (+2.5VF): Main power supply for ECG AMP generated with the pulse transformer (FT-2155) and the regulator. VREF: Used as the reference voltage for ADC.

  • Page 25: Symptoms And Remedies

    Troubleshooting Symptoms and remedies CAUTION If the parts mounted on the boards such as the MAIN BOARD (PCB-7085) is considered to have failed, do not replace the parts only but replace the entire board unit. If a trouble related to the power supply should occur, we recommend you to replace the power supply unit.

  • Page 26: The Equipment Is Not Started Even If The Power Is Set To "On

    Chapter 2 The equipment is not started even if the power is set to “ON.” Check item Procedure/Remedy Place of check Power cable Check that the power cable is inserted into the Power cable receptacle and the AC adaptor. Check also that the DC plug DC plug is connected to the equipment.

  • Page 27: Troubleshooting On The Power Supply Voltage On The Main Board

    Troubleshooting Troubleshooting on the power supply voltage on the MAIN BOARD Power supply voltage Procedure/Remedy Place of check +3.3V Check that +3.3V is supplied between C21 terminals on the MAIN BOARD. Check also that D2 stays on. If power is not supplied, the power supply unit may P5-5, 7 be faulty.

  • Page 28: Troubles Related To Charging Operation

    Chapter 2 Troubles related to charging operation Power supply voltage Method of Checking and Corrective Action Place to Check Power cable Check that the power cable is inserted into the Power cable receptacle. Battery Open the cover of the battery slot on the rear face of Cable connecting the battery the main unit and check that a battery is inserted and and the main unit...

  • Page 29: Lcd Does Not Come On Or Display Is Abnormal

    Troubleshooting LCD does not come on or display is abnormal. Power supply voltage Method of Checking and Corrective Action Place to Check Connector Check that the key LCD cable for connecting CN10, CN10, 11 11 and the LCD CN BOARD is connected securely, KEY LCD cable and that it is inserted from the LCD CN BOARD to P5-32...

  • Page 30: The Keys Cannot Be Operated

    Chapter 2 The keys cannot be operated. Power supply voltage Method of Checking and Corrective Action Place to Check Cable Check that the key panel relay cable is connected to Key panel relay cable the operation panel and the INTERFACE BOARD. Check the cable for break.

  • Page 31: Speaker Does Not Sound

    Troubleshooting Speaker does not sound. Power supply voltage Method of Checking and Corrective Action Place to Check Program setting Check the program setting to make sure that the Speaker program setting speaker is not set to OFF and that the volume is not set to extremely low level.

  • Page 32: Recording Paper Is Not Fed

    Chapter 2 Recording paper is not fed. Power supply voltage Method of Checking and Corrective Action Place to Check Connector Check that the motor cable is connected to the power Motor cable supply unit securely and that the motor cable is not P5-34 broken.

  • Page 33: Detachment Of Electrode Cannot Be Detected With Some Leads

    Troubleshooting Detachment of electrode cannot be detected with some leads. Since ECG input is of high-impedance circuit configuration, measurement of the part before the buffer IC is hard to be performed with a measuring instrument. It is therefore effective from the viewpoint of saving time to replace devices, thus locating failed parts.
  • Page 34 Chapter 2 2 - 12...

  • Page 35: Maintenance

    Chapter Maintenance Cleaning ....................3-1 Cleaning the unit ..............3-1 Replacing the battery................3-2 Update the software ................3-4 Self-diagnostics test ................3-5 Self-diagnostics............... 3-6 Test pattern waveform ............3-7 Set clock ................3-8 Display panel test ............... 3-9 Battery ................3-10 Display status ..............
  • Page 36 Checking the enclosure leakage current (current that flows from the enclosure to the earth terminal of the power outlet) ............3-31 Checking the patient leakage current I......3-32 Checking the patient leakage current III......3-33 Checking the patient measurement current ......3-34 Checking the protective earth resistance ......3-35 Inspection of electrical performance/characteristics ....3-36 Hardware inspections (10 items) ...........3-38 Periodical inspection record ............3-40...

  • Page 37: Cleaning

    Chapter 3 Maintenance Cleaning Cleaning the unit Moisten gauze or absorbent cotton with medicinal alcohol or neutral detergent, and wring tightly; then wipe off the enclosure. CAUTION Prevent chemicals and other liquids from getting inside the unit and connectors. Electrical equipment can short and get damaged.

  • Page 38: Replacing The Battery

    Chapter 3 Replacing the battery DANGER Before replacing the battery, make sure to turn the power OFF and unplug the power supply cord from the power outlet. 1. Turn OFF the main power switch of the unit and unplug the power supply cord. 2.
  • Page 39 Maintenance 4. Install a new battery. Insert the battery cable connector to the power terminal, and place the battery inside the battery case and mount the battery pack compartment cover. Battery pack compartment cover Connector Battery pack NOTE If the battery pack compartment cover does not fit well, reinstall the battery and battery cable in the battery case.

  • Page 40: Update The Software

    Chapter 3 Update the software Update the software with the CF card. 1. Insert the CF card containing the program into the CF card slot of the equipment. CF card slot CF card 2. Turn on the power of the equipment. 3.

  • Page 41: Self-Diagnostics Test

    Maintenance Self-diagnostics test Perform self-diagnosis on the maintenance menu screen. Follow the chart shown below to switch screens. Perform self-diagnosis to check the equipment by yourself. The maker-setting screen is used to inspect or adjust the equipment in manufacturing process or in product inspections. To perform maker setting, password (ID number) entry is required.

  • Page 42: Self-Diagnostics

    Chapter 3 Self-diagnostics Tap the [Menu] key and then the [Maintenance] key, and the maintenance menu screen appears, displaying various maintenance menus. Select a desired self-diagnosis menu, and the diagnostic screen appears. The following are included in the user self-diagnostic menu. Test pattern waveform •...
  • Page 43 Maintenance Test pattern waveform Select ECG test pattern waveform to be used for operation check or demonstrations as follows. 1. Select [Test pattern waveform] on the maintenance menu screen, and the test pattern waveform screen appears. 2. Select a desired test pattern from Pattern 1 to Pattern 4. See the following table for details.

  • Page 44: Set Clock

    Chapter 3 Set clock Set the clock as follows. 1. Select [Set clock] on the maintenance menu screen, and the clock setting screen appears. 2. Set time, and then tap [Enter]. 3. Select [Menu] → [End] → [Goto exam] to return to the examination screen. 3 - 8...

  • Page 45: Display Panel Test

    Maintenance Display panel test Test the display and the touch panel as follows. 1. Select [Display panel test] on the maintenance menu screen, and the display panel test screen appears. 2. Press down the Start/Stop key, following the instructions displayed. 3.

  • Page 46: Battery

    Chapter 3 Battery Check the battery status or refresh the battery as follows. 1. Select [Battery] on the maintenance menu screen, and the battery status screen appears. 2. Tap [Refresh] while the equipment is driven with the battery, and the battery is refreshed.

  • Page 47: Display Status

    Maintenance Display status Check various statuses including that of the battery on the display. 1. Select [Display status] on the maintenance menu screen, and the display status screen appears. 2. Select [Menu] → [End] → [Goto exam] to return to the examination screen. 3 - 11...

  • Page 48: Overall Test 1

    Chapter 3 Overall test 1 Perform comprehensive test of display, touch panel, keys, LED, sound, and status as follows. 1. Select [Overall test 1] on the maintenance menu screen, and the overall test 1 screen appears. 2. Press down the Start/Stop key according to the instructions. 3.
  • Page 49 Maintenance 5. Press the Start/Stop key twice to exit the key test and proceed to the LED test. Check that the LED for the Charge lamp, Patient key, Custom key, Review key, and the Start/Stop key is flashing. 6. Then press the Start/Stop key, and the buzzer sound is emitted in medium and low volume, and then the chime sounds (sound test) and the status is displayed.

  • Page 50: Overall Test 2

    Chapter 3 Overall test 2 Perform comprehensive test of waveform input/output, record, memory, sub CPU, and various external I/O as follows. 1. Select [Overall test 2] on the maintenance menu screen, and the overall test 2 screen appears. 2. Provide test cables, memory card, LAN, and recording paper, following the instructions, and then press the Start/Stop key.

  • Page 51: Waveform I/O Test

    Maintenance Waveform I/O test Check the input/output of ECG waveform and ECGOUT/DCIN. 1. Select [Waveform I/O test] on the maintenance menu screen, and the following waveform I/O test screen appears. 2. To check the ECG waveform input to channel A, select [ECG input A] and then press the Start/Stop key.

  • Page 52: Recording Test

    Chapter 3 Recording test Perform a test on recording or adjust the recorder as follows. 1. Select [Recording test] on the maintenance menu screen, and the following recording test screen appears. 2. Select [Comprehensive recording] to perform comprehensive recording test and then press the Star/Stop key, and the following items can be checked.

  • Page 53: Key/Led/Sound Test

    Maintenance Key/LED/Sound test Perform tests on keys, LED, and sound as follows. 1. Select [Key/LED/Sound test] on the maintenance menu screen, and the following key/LED/Sound test screen appears. 2. The result of the self-diagnostic test of the key CPU is displayed. Check that RAM and ROM are marked OK.

  • Page 54: Memory/Sub Cpu Test

    Chapter 3 Memory/Sub CPU test Perform tests on major devices such as memory and sub CPU as follows. 1. Select [Memory/Sub CPU test] on the maintenance menu screen, and the following Memory/Sub CPU test screen appears. 2. Press the Start/Stop key, following the instructions, to start the test. 3.

  • Page 55: Serial Test

    Maintenance Serial test Test the serial port communications as follows. 1. Select [Serial test] on the maintenance menu screen, and the following serial test screen appears. 2. Connect test cables to all the serial ports, and press the Start/Stop key, following the instructions, to start the serial test.

  • Page 56: Lan Test

    Chapter 3 LAN test Test the LAN communications as follows. 1. Select [LAN test] on the maintenance menu screen, and the following LAN test screen appears. 2. Connect the LAN cable to the LAN connector and to the PC via the HUB, following the instructions.

  • Page 57: Cf Card Test

    Maintenance CF card test Test the access to the CF card as follows. 1. Select [CF card test] on the maintenance menu screen, and the following CF card test screen appears. 2. Insert the CF card into the CF card slot and press the Start/Stop key, and the CF card test is started.

  • Page 58: Pc Card Test

    Chapter 3 PC card test Test the access to the PC card as follows. 1. Select [PC card test] on the maintenance menu screen, and the following PC card test screen appears. 2. Insert the PC card into the PC card slot and press the Start/Stop key to start the PC card test.

  • Page 59: Configurations

    Maintenance Configurations The following 4 test items are included in configuraations, and 8 additional items are included in the maker only. My IP address • Server IP address • Clock settings • Maker only • • Adjust TouchPanel • Adjust mark •...

  • Page 60: Clock Settings

    Chapter 3 Server IP address Set the IP of the destination of LAN communications. Select [Server IP addr.] on the configuration screen, and enter the IP of the destination of communication. Clock settings Select [Clock settings] and set the current time. The time can also be set in [Clock settings] on the maintenance menu screen.

  • Page 61: Maker Settings

    Maintenance Maker settings Maker settings is made by the maker before delivery from the factory. You do not have to make maker settings in principle. To make the maker setting, select [Maker only], and the following password entering screen appears. Enter the password (9001). 3 - 25...
  • Page 62 Chapter 3 Adjust Touch Panel Adjust the position of the touch panel. Adjust Mark Adjust the mark sensor for detecting the mark position of the folded recording paper. 3 - 26...

  • Page 63: Error Output

    Maintenance Error output If a system error should occur and the power is turned off, 2 error logs can be stored. Select [Report] to print the report on the recording paper. Select [File] to store the error log in a file format. Wave stop OFF Select [Waveform stop OFF] to stop the waveform input, and the setting is changed to [Waveform stop ON] and the waveform input is stopped.

  • Page 64: Periodical Inspections

    Chapter 3 Periodical inspections To maintain the unit's functions and performance, periodical inspections are required. The inspections explained in this section should be performed by service representatives who have sufficient technical knowledge. Periodical inspection intervals and precautions Inspection item Description Periodical inspection interval Periodical inspection should be performed at least once a year.

  • Page 65: Safety Inspections (6 Items)

    Maintenance Safety inspections (6 items) To operate medical devices and measuring instruments and conduct tests safely, leakage current that affects human body, etc. are specified in the standard for safety tests. To perform inspections, make the setting using a leakage current detector that satisfies the measurement conditions of the medical device, and make evaluations.

  • Page 66: Checking The Earth Leakage Current (Current That Flows To Protective Earth Resistance)

    Chapter 3 Checking the earth leakage current (current that flows to protective earth resistance) Measurement wiring diagram Earth leakage current measurement points Measurement point A Earth wire of power supply cord from unit Measurement point B Earth terminal of power outlet Earth leakage current measurement conditions It is necessary to measure the earth leakage current under two conditions: normal condition and single fault condition.

  • Page 67: Checking The Enclosure Leakage Current (Current That Flows From The Enclosure To The Earth Terminal Of The Power Outlet)

    Maintenance Checking the enclosure leakage current (current that flows from the enclosure to the earth terminal of the power outlet) Measurement wiring diagram Enclosure leakage current measurement points Measurement point A Optional location on enclosure; or, if enclosure is insulated, metal foil attached to enclosure Measurement point B Earth terminal of power outlet Enclosure leakage current measurement conditions...

  • Page 68: Checking The Patient Leakage Current I

    Chapter 3 Checking the patient leakage current I Measurement wiring diagram This terminal is open. Conversion plug Power outlet Used for single fault condition FX-7542 Power cable Measurement Measurement point A Short all electrodes. point B Leakage current measuring device...

  • Page 69: Checking The Patient Leakage Current Iii

    Maintenance Checking the patient leakage current III Measurement wiring diagram Conversion plug Power outlet FX-7542 Power cable 10 k Measurement Measurement point B point A Leakage current measuring device Patient leakage current III measurement points Normal condition Shorted patient cable terminal Single fault condition Resistance 10 kΩ...

  • Page 70: Checking The Patient Measurement Current

    Chapter 3 Checking the patient measurement current Measurement wiring diagram This terminal is open. Conversion plug Power outlet Used for single fault condition FX-7542 Power cable Measurement Measurement point B point A Leakage current measuring device Patient measurement current measurement points...

  • Page 71: Checking The Protective Earth Resistance

    Maintenance Checking the protective earth resistance Measurement wiring diagram • Without power supply cord Power cable (female) FX-7542 Several cm Measurement point B Measurement point A (Potential equalization terminal) (Only earth wire) Resistance measuring device If no jig is equipped for the female power cable like the above, measure it at the protective earth terminal inside the AC inlet of electrocardiography directly.

  • Page 72: Inspection Of Electrical Performance/Characteristics

    Chapter 3 Inspection of electrical performance/characteristics 1.Sensitivity Check that the recorded amplitude is within 10±0.2 mm after 1 mV of voltage is added to the unit by the standard voltage generator. Change the sensitivity selector switch to 1/2, 1/4, and 2, and check that standard sensitivity is within ±5%.

  • Page 73: Recording Speed

    Maintenance 5.Counter electrode voltage Check that the change in the recorded sensitivity is within ±5% when ±550 mV of DC voltage is imposed to the input of the Electrocardiograph. Check that the change in the recorded sensitivity is within ±5% when ±550 mV of DC voltage is imposed between the two input terminals of the Electrocardiograph and the RF(N) electrode fitting.

  • Page 74: Hardware Inspections (10 Items)

    Chapter 3 Hardware inspections (10 items) WARNING If, during a hardware inspection, you notice damage or other abnormality, immediately stop using the given unit; then replace the defective part, replenish, or make proper repairs. Failure to repair the unit can lead to a serious accident. Do not replace the part nor carry out refilling or the like but change the hardware (MAIN BOARD, for ex.) found faulty.
  • Page 75 Maintenance Checking the switches Description Check for unsmooth operation, damage, and rattling. Checking the recorder Description Check that recording operation is smoothly performed and no abnormal noise exists. Checking the electrodes Description Check the electrodes for corrosion, and their chip-mounting area for wear, safety defects, malfunctional operation, and damage.

  • Page 76: Periodical Inspection Record

    Chapter 3 Periodical inspection record Remarks Procedure/measurement value Judge- Item Description (Repair Acceptance standard ment required 1. Power supply cord, patient cable, etc. Any flaws or damages? • Cables 2. Limb electrode, chest electrode, etc. Any contamination or rust adhered? •...
  • Page 77 Maintenance Remarks (Acceptance Measurement Judge-men Description (Repair standard) value required 1. Earth leakage Normal condition • (0.3mA or less) current Single fault condition (1.0mA or less) • 2. Enclosure leakage Normal condition (0.1m or less) • current Single fault condition (0.3mA or less) •...
  • Page 78 Chapter 3 3 - 42...

  • Page 79: Disassembling The Equipment

    Chapter Disassembling The Equipment Removing the LCD module ..............4-1 Removing the recorder unit ............... 4-3 Removing the MAIN BOARD .............. 4-5 Removing the power supply unit............4-6 Removing the keyboard ..............4-8...

  • Page 81: Removing The Lcd Module

    Chapter 4 Disassembling The Equipment Removing the LCD module 1. Remove the 4 rubber caps and 4 fastening screws. Fastening screw Rubber cap 2. Remove the 6 nails that fasten the case, and remove the case, lifting it from the side of the LCD unit. Remove the cover of the hinge. Case Nail Cover...
  • Page 82 Chapter 4 3. Remove the 8 fastening screws, and then the fixing bracket at the hinge of the LCD module. Fixing bracket Fastening screw 4. Remove the cables connected to the LCD module (LCD relay cable, touch panel cable [flexible cable], backlight relay cable), 4 fastening screws, and then the LCD module.

  • Page 83: Removing The Recorder Unit

    Disassembling The Equipment Removing the recorder unit 1. Remove the 7 fastening screws at the back face of the main unit. Fastening screw 2. Remove the top cover, and place it at the right side of the equipment with the LCD opened slightly as shown by the following figure.
  • Page 84 Chapter 4 3. Remove the connectors connected to the main board from the recorder unit. Thermal cable Motor cable CN16 CN13 4. Remove the 4 fastening screws and then the recorder unit. Fastening screw Recorder unit 4 - 4...

  • Page 85: Removing The Main Board

    Disassembling The Equipment Removing the MAIN BOARD 1. Remove the top cover See “Removing the recorder unit” in section 4-3 for removing procedure. 2. Remove connectors CN10 and CN11 connected to the main board. CN10 CN11 3. Remove the 5 fastening screws (screws 1) and then 2 side covers of the main unit.

  • Page 86: Removing The Power Supply Unit

    Chapter 4 Removing the power supply unit 1. Remove the battery. See “Replacing the battery” in section 3-2 for removing procedure. 2. Remove the top cover. See “Removing the recorder unit” in section 4-3 for removing procedure. 3. Remove the recorder unit. See “Removing the recorder unit”...
  • Page 87 Disassembling The Equipment 6. Remove the 2 fastening screws (screws 1) that fasten the bracket. Remove the 2 fastening screws (screws 2) and then remove the power supply unit. Fastening screw 2 Fastening screw 1 Power supply unit Presser metal ECG CN board ECG connector 4 - 7...

  • Page 88: Removing The Keyboard

    Chapter 4 Removing the keyboard * The keyboard can be detached without removing the LCD module. 1. Remove the top cover See “Removing the recorder unit” in section 4-3 for removing procedure. 2. Remove the cables connected to CN10 and CN11 on the main board. See procedure 2 in “Removing the main board”...
  • Page 89 Disassembling The Equipment 4. Remove the 13 fastening screws, and then the fixing bracket and the keyboard. Fastening screw Fixing bracket Keyboard 4 - 9...
  • Page 90 Chapter 4 4 - 10...

  • Page 91: Electric Circuit Diagrams

    Chapter Electric Circuit Diagrams Overall Block Diagram (excluding AC adaptor)........ 5-1 MAIN BOARD block diagram ..........5-3 MAIN BOARD circuit diagram (PCB-7085) ........5-4 Block diagram ................. 5-4 POWER/CAPACLTOR/LED block .......... 5-5 Power supply voltage generating block (1/2) ......5-6 Power supply voltage generating block (2/2) ......
  • Page 92 ECG AMP BOARD (PCB-6699)............5-33 Power capacitor block ............5-33 ECG AMP block ..............5-34...

  • Page 93: Overall Block Diagram (Excluding Ac Adaptor)

    Chapter 5 Electric Circuit Diagrams Overall Block Diagram (excluding AC adaptor) The FX-7542 is equipped with the following 7 boards (PCB-6699 is an option). 1. MAIN BOARD (PCB-7085) 2. LCD CN BOARD (PCB-7092) 3. INTERFACE BOARD (PCB-7093) 4 ECG AMP BOARD (12-lead amp module) (PCB-6731) 5.
  • Page 94 Chapter 5 5 - 2...

  • Page 95: Main Board Block Diagram

    MAIN BOARD block diagram 5 - 3...

  • Page 96: Main Board Circuit Diagram (Pcb-7085)

    MAIN BOARD circuit diagram (PCB-7085) Block diagram NOTE UNLESS OTHERWISE SPECIFIED ALL RESISTORS IN OHMS 1/10W (F) µ ALL CAPACITORS IN F /WV (P=pF) µ ALL INDUCTORS IN H (M) Note Undesignated resistance: Unit; Ω, Allowable dissipation; 1/10 W, Error; ±1% Sub Bus Undesignated capacitor: Unit;...

  • Page 97: Power/Capacltor/Led Block

    POWER/CAPACLTOR/LED block +3.3V R529 R996 R999 R1003 R1007 R1011 R1015 R1019 R1022 R1025 R1028 R1030 C102 C103 C107 C108 C111 C115 C119 C123 C127 C131 POWER UNIT I/F CN (POWER) DF11-16DP-2V +3.3V +3.3V +3.3V +3.3V C104 100/10V +3.3V 0.01 0.01 0.01 +12V +12V...

  • Page 98: Power Supply Voltage Generating Block (1/2)

    Power supply voltage generating block (1/2) +12V C144 10 LQH32CN100K21 10 LQH32CN100K21 -8VA +5VA +12VA NFM21PC474R1C3 AD1582ART LT1931ES5 UPC4064G2 VOUT C147 C151 C154 -8VA SUPPLY 5VREF 121K 1/16V 0.01 20:2A 5VREF SUPPLY C145 C146 C140 C141 SHDN 220P CRS01 22/25V 220/25V -5VA NJM79L05UA...

  • Page 99: Power Supply Voltage Generating Block (2/2)

    Power supply voltage generating block (2/2) +2V SUPPLY +1.8V SUPPLY +1.8V SI3443DV SI3443DV 0.051 0.051 IC10 IC11 LTC1622CMS8 LTC1622CMS8 SENSE SENSE PDRV PDRV C171 C172 C184 C185 RUN/SS SYNC/MODE D3FS4A 330/10V RUN/SS SYNC/MODE D3FS4A 330/6.3V C167 C168 C181 C183 100/10V 100/10V C165 C166...

  • Page 100: Clock Generating Block

    Clock generating block +3.3V MG-5100SA-FD VDD1 +3.3V VDD2 16MHz TCLK 6:1B CLKA 7.3728M 7:1D CLKB 17:5C CLKC CPUCLK 14.318M 15:6D CLKD XBUF NO_MOUNT MCPUCLK 6:1B 16MHz/32MHz 32MHz SCPUCLK1 10:1B PCICLK 15:6D 32M_G 7:1D;13:8D +3.3V K30-3C0-SE60.0000 LCDCCLK 13:1D IC25 HD74LVC04TELL SCPUCLK2 10:1B SD_MCKIO 9:1C...

  • Page 101: Main Cpu Block

    MAIN CPU block +3.3V +3.3V_MCPU MTCK 25:4D MTDI MPZ2012S101A 25:4E MTMS 25:4D MTRST_L +3.3V 25:4D MASEBRKAK_L +3.3V 25:4E MASEMD_L 25:4F R120 MTDO 25:4D MWAIT_L +2V_MCPU 11:7E MPZ2012S101A BRTHL 23:1C BLOFF +2V_MCPU 23:1C RTCCE 11:6D NO_MOUNT C209 NO_MOUNT JP65 MDACK1_L 11:4F;13:7D AC_DETECT 23:1E 24:2C...

  • Page 102: Main G/A Block

    MAIN G/A block MPZ2012S101A +3.3V 6:7F;8:2A;9:2A;13:8F;17:2A;18:1C;19:1C;15:2D MD[0-31] MD[0-31] C227 1/16V 1/16V 1/16V MAC[0-25] MAC[0-25] RA12 RA13 11:3D;17:2B;9:2A +3.3V AC10 AC17 MRD_2_L AC19 6:7B;9:1F;17:2D FMBA0 MWR0_1_L AC23 6:7C;18:2D MWR0 FMBA1 6:7C;17:2D MWR1_1_L AC24 MWR1 FMCS MWR2_1_L 6:7C;9:1F;17:2D MWR2 FMRAS MWR3_2_L 6:7C;17:2D MWR3 FMCAS MCS3...

  • Page 103: Flash Rom Block

    FLASH ROM block MD[0-31] 6:7F;7:1A;9:2A;13:8F;17:2A;18:1C;19:1C;15:2D MAA[0-25] 11:3A;18:1A;9:1B R129 MRD_1_L 6:7B;18:2D JP13 MWR0_2_L 6:7C;9:1B MWR2_2_L JP14 6:7C;9:1E MAA[24] MAA[24] IC17 IC18 TE28F128J3C-150 TE28F128J3C-150 FROMWR_L JP15 NO_MOUNT 25:4E 6B;11:3B MAAA[23] 3B;11:3B MAAA[23] NO_MOUNT JP16 MAA[22] MAA[22] MAA[21] MAA[21] MAA[20] MD[15] MAA[20] MD[31] DQ15 DQ15 JP13...

  • Page 104: Sdram/Reset Block

    SDRAM/RESET block +3.3V 7:1A;11:3D;17:2B MAC[2-17] MD[0-31] 6:7F;7:1A;8:2A;13:8F;17:2A;18:1C;19:1C;15:2D MPZ2012S101A IC23 CY62126DV30LL-70ZI C493 C495 C497 C499 C501 C237 MAC[6] MAC[7] 0.01 0.01 0.01 0.01 0.01 0.01 MAC[5] MAC[8] MAC[4] BACKUP MAC[9] C239 4.7/6.3V MAC[3] SRAM MAC[2] C240 C242 0.01 4.7/6.3V IC20 R177 8:2A;11:3A;18:1A MAA[2-16,24-25] MD[16]...

  • Page 105: Sub Cpu Block

    SUB CPU block STCK 25:4E +2V_SCPU STDI 25:4E STMS 25:4E STRST_L 25:4E SASEBRKAK_L 25:4E C258 SASEMD_L 25:4F R267 STDO 25:4E +2V_SCPU C259 470P SWAIT_L 7:1E NF10 MPZ2012S101A C260 R221 +3.3 V +3.3V_SCPU C257 NF11 470P MPZ2012S101A R251 SRAS3U_L 12:2D R252 SRAS3L_L JP29 12:2D...

  • Page 106: Sub Sram Block

    SUB SRAM block +3.3V MA[0-25] MAA[0-25] 6:7F 8:2A;18:1A;9:1B MA[0] R270 MAA[0] MA[1] R271 MAA[1] MA[2] R272 MAA[2] MA[3] R273 MAA[3] MA[4] R274 MAA[4] MA[5] R275 MAA[5] SA1[2-16] 7:1F;10:8C MA[6] R276 MAA[6] 7:1F;10:8C SA[1,17-18] MA[7] R277 MAA[7] MA[8] R278 MAA[8] IC19 MA[9] R279 MAA[9]...

  • Page 107: Sub Sdram Block

    SUB SDRAM block +3.3V SD[0-31] 7:1F;10:7F;11:3A NF12 MPZ2012S101A C503 C505 C507 C509 C511 C286 C288 0.01 0.01 0.01 0.01 0.01 0.01 4.7/6.3V C289 C291 0.01 4.7/6.3V SA2[2-16] IC31 10:8D EDS2516APTA-75 SA[24-25] 7:1F;10:8C SD[0] R360 R376 SD[15] DQ15 VDDQ VSSQ SD[1] R361 R377 SD[14]...

  • Page 108: Lcd Control Block

    LCD control block VAD[0-14] VAD[0-14] +3.3V_LCDC 14:2B VDT[0-31] 14:2A VCSN0_L 14:2D VRASN_L 14:2D VCASN_L 14:2C VWEN_L 14:2D VDQM0 14:2B VDQM1 14:2B C314 C316 VDQM2 14:2E VDQM3 14:2E VCLK +1.8V_LCDC 14:2C +1.8V_LCDC +3.3V_LCDC +1.8V +1.8V_PLL NF235 NFM21PC474R1C3 +3.3V_LCDC +3.3V C310 C312 C318 C319 C321...

  • Page 109: Vram Block

    VRAM block VDT[0-31] 13:8A NF35 +3.3V MPZ2012S101A C523 C525 C527 C529 C531 C330 C334 4.7/6.3V C329 C333 4.7/6.3V VAD[0-14] IC33 13:8A MT48LC16M16A2TG-6A VDT[0] R412 R420 VDT[15] DQ15 VDDQ VSSQ VDT[1] R413 R421 VDT[14] DQ14 VDT[2] R414 R422 VDT[13] DQ13 VSSQ VDDQ VDT[3] R415...
  • Page 110 SUPER I/O block +3.3V NF14 MPZ2012S101A C340 C341 C342 C343 C344 C345 C533 4.7/6.3V 4.7/6.3V JP53 +3.3V LANPWDOWN_L 17:2D PCI_CLK CRTOFF_L 22:2D NC/CLKRUN# DRQ2/LPCPD# DRQ1/PCI_RESET# +3.3V NC/LDRQ# +3.3V DRQ0/LFRAME# DACK3/LAD3 DACK2/LAD2 SLCT DACK1/LAD1 DACK0/LAD0 BUSY GP23/LED2/IRQIN2 R445 NACK NERROR IOPME NALF CLKI32 IC36...
  • Page 111 Serial port block VISO VISO VISO IC37 NF15 R480 NFM21CC222R1H3D TLP115A R449 VISO RUSB075 R463 4.7K IC43 OUTPUT MAX202ECSE C359 NF16 TXD0 C351 R481 6:1C NFM21CC222R1H3D C350 R479 NO_MOUNT RXD0 6:1C SERIAL PORT CH1 4.7K R450 T1OUT 2.7K C367 IC40 NF17 C352 R482...
  • Page 112 LAN control block MD[0-15] 6:7F;7:1A;8:2A;9:2A;13:8F;18:1C;19:1C MD[0] R508 MD[1] R509 MD[2] R510 MD[3] R511 MD[4] R512 MD[5] R513 MD[6] R514 MD[7] R515 +3.3V NF33 C374 C375 C376 C377 C378 C379 C380 MPZ2012S101A LANIRQ_L 4.7/6.3V 0.01 0.01 0.01 7:1C 6:7B LANCE2_L LANCE1_L 6:7C MAC[0-16,23] 7:1A;11:3D;9:2A...
  • Page 113 PC card control block +3.3V MAA[0-25] NF36 MPZ2012S101A PC CARD SLOT 8:2A;11:3A;9:1B MAA[25] R917 MAA[24] R918 MAA[23] R919 IC11SA-68PL-1.27SF-EJL 0.01 0.01 0.01 0.01 MAA[22] R920 MAA[21] R921 CD1[3] R535 NF37 BLM15BD471SN1 MAA[20] R922 CD1[4] R536 NF38 BLM15BD471SN1 MAA[19] R923 CD1[5] R537 NF39 BLM15BD471SN1...
  • Page 114 CF card control block +3.3V MAB[0-25] NF97 11:3B;13:8F;15:2D MPZ2012S101A MAB[25] R962 MAB[24] R963 C390 C391 C392 C393 MAB[23] R964 0.01 0.01 0.01 0.01 MAB[22] R965 MAB[21] R966 MAB[20] R967 MAB[19] R968 MAB[18] R969 MAB[17] R970 MAB[16] R971 CF CARD SLOT MAB[15] R972 MAB[14]...
  • Page 115 DC IN ECGOUT I/F block (1/2) 5VREF 3:7A 2.5VREF 3:7B;24:2C -2.5VREF 3:7C +5VA +5VA IC50 DAC7615E RESETSEL C395 C398 C400 1/16V 1/16V RESET VOUTD DA_REG_L 7:7E LOADREG VOUTC DA_LOAD_L 17 LOADDACS 7:7E VREFL C396 C399 C401 DA_CS_L 1/16V 1/16V 7:7E VREFH 21:2B 21:2B...
  • Page 116 DC IN ECGOUT I/F block (2/2) +5VA -5VA +12VA DC-IN / ECG-OUT 1SS302 R661 IC51 UPC4064G2 MD-S8100B-10 R673 NF143 BLM15BD471SN1 ECG-OUT1 NF144 BLM15BD471SN1 R674 ECG-OUT2 NF145 BLM15BD471SN1 R675 ECG-OUT3 C407 R655 NF146 BLM15BD471SN1 0.018 R670 R676 5.1M DC-IN1 NF147 BLM15BD471SN1 R677 DC-IN2 R678...
  • Page 117 CRT IF block NF232 NF150 MPZ2012S101A NFM21PC474R1C3 C422 1/16V R688 R691 C423 0.01 IC54 NF153 R694 AD813AR-14 BK1608LL680-T 11 1 R682 R685 -8VA R689 R692 CRT PORT XM4L-1542-502 NF154 IC54 R695 AD813AR-14 BK1608LL680-T GREEN BLUE 11 2 R683 R686 REDGND -8VA GREENGND BLUEGND...
  • Page 118 KEY/LCD/POWER I/F block +3.3V +3.3V +3.3V +3.3V IC56 R706 TC74VHC132FT 100K SRV05-4 SRV05-4 +3.3V IC56 TC74VHC132FT IC56 IC56 IC71 TC74VHC132FT MAX4163EUA TC74VHC132FT KEY/LCD I/F CN R705 +3.3V_LVDS +3.3V CN10 100K 20143-040E C426 IC56 NF158 DLW21SN900SQ2 TC74VHC132FT NF156 NF157 13:1B;22:2D DR[0-4] MPZ2012S101A NFM21PC474R1C3 13:1C;22:2E...
  • Page 119 THERMAL I/F block 4:4C B100KHZ_L 4:4C B100KHZ NF212 NF214 MPZ2012S101A NFM21PC474R1C3 IC60 TC7W14FU CN14 1SS302 00 6224 012 001 800 NF203 BLM15BD471SN1 R755 IC60 IC60 F100kHzN R740 TC7W14FU TC7W14FU NF204 BLM15BD471SN1 100K R756 F100kHz NF205 BLM15BD471SN1 7:7D RXDB R757 RXD-B NF206 BLM15BD471SN1 R758...
  • Page 120 Sensor/speaker control/JTAG IF block +3.3V NF224 NF219 MPZ2012S101A NFM21PC474R1C3 R779 7:7C HEADUP_L +3.3VA C448 R785 +3.3V CN16 +3.3V DF13B-5P-1.25V[21] NF221 BLM15BD471SN1 1SS302 SW-ON IC65 SW-COM MAX4163EUA IC65 SENSOR CN MARK-COM MAX4163EUA NF222 BLM15BD471SN1 R766 MARK-E C443 NF223 BLM15BD471SN1 6:1E MARK_V MARK-A R778 R786...
  • Page 121 LCD CN BOARD (PCB-7092) BLOCK DIAGRAM LCD CN BOARD(PCB-7092) MAIN BOARD LCD UNIT PCB-7085 20228-020E SHIELD SHIELD SHIELD FI-SE20P-HFE SHIELD DLW21SN900SQ2 DLW21SN900SQ2 DLW21SN900SQ2 DLW21SN900SQ2 SHIELD SHIELD NFM21PC474R1C3 5 - 29...
  • Page 122 INTERFACE BOARD (PCB-7093) BLOCK DIAGRAM INTERFACE BOARD(PCB-XXXX) INVERTER TOUCH PANEL BOARD KEY_POWER I/F KEY BOARD 53261-0971 DF14-20P-1.25H[20] MPZ2012S101A VDDB VDDB GNDB GNDB BRTC Vrmt BRTI BRTH Vbr/Rbr RSVD DTC124EUA yLref yUref 00 6200 087 032 800 BLM18BD471SN1 xLref BLM18BD471SN1 yLref xRref BLM18BD471SN1 yUref...
  • Page 123 ECG AMP BOARD (PCB-6731) Power connection table/capacitor +5VF +5VF FD00026-AC HCPL2601 TC-74VHC00FT TC-74VHC164FT +2.5VF +2.5VF 10/10V 10/10V 10/10V 10/10V 10/10V -2.5VF 10/10V AGND ADS1252U -2.5VF VREF -2.5VF ADS1252U +2.5VF +2.5VF E25F -2.5VF -2.5VF TLC2264C TLC2252C OPA2350EA HCPL2601 5 - 31...

  • Page 124: Ecg Amp Block

    ECG AMP block C2-F C3-F C4-F C5-F C1-F C6-F C7-F C8-F C9-F R108 5 - 32...
  • Page 125 ECG AMP BOARD (PCB-6699) Power capacitor block 5 - 33...
  • Page 126 ECG AMP block 5 - 34...
  • Page 127 Chapter Spare Parts List MAIN BOARD (PCB-7085)..............6-1 LCD CN BOARD (PCB-7092) ............6-24 INTERFACE BOARD (PCB-7093)............6-25 ECG AMP BOARD (PCB-6731) ............6-26 ECG AMP BOARD (PCB-6699) ............6-31 OTHER SPARE PARTS LIST ............. 6-36...

  • Page 129: Chapter 6 Spare Parts List

    Chapter 6 Spare Parts List MAIN BOARD (PCB-7085) 6 - 1...
  • Page 130 Chapter 6 6 - 2...
  • Page 131 Spare Parts List 6 - 3...
  • Page 132 Chapter 6 6 - 4...
  • Page 133 Spare Parts List 6 - 5...
  • Page 134 Chapter 6 6 - 6...
  • Page 135 Spare Parts List 6 - 7...
  • Page 136 Chapter 6 6 - 8...
  • Page 137 Spare Parts List 6 - 9...
  • Page 138 Chapter 6 6 - 10...
  • Page 139 Spare Parts List 6 - 11...
  • Page 140 Chapter 6 6 - 12...
  • Page 141 Spare Parts List 6 - 13...
  • Page 142 Chapter 6 6 - 14...
  • Page 143 Spare Parts List 6 - 15...
  • Page 144 Chapter 6 6 - 16...
  • Page 145 Spare Parts List 6 - 17...
  • Page 146 Chapter 6 6 - 18...
  • Page 147 Spare Parts List 6 - 19...
  • Page 148 Chapter 6 6 - 20...
  • Page 149 Spare Parts List 6 - 21...
  • Page 150 Chapter 6 6 - 22...
  • Page 151 Spare Parts List 6 - 23...

  • Page 152: Lcd Cn Board (Pcb-7092)

    Chapter 6 LCD CN BOARD (PCB-7092) 6 - 24...

  • Page 153: Interface Board (Pcb-7093)

    Spare Parts List INTERFACE BOARD (PCB-7093) 6 - 25...

  • Page 154: Ecg Amp Board (Pcb-6731)

    Chapter 6 ECG AMP BOARD (PCB-6731) 6 - 26...
  • Page 155 Spare Parts List 6 - 27...
  • Page 156 Chapter 6 6 - 28...
  • Page 157 Spare Parts List 6 - 29...
  • Page 158 Chapter 6 6 - 30...

  • Page 159: Ecg Amp Board (Pcb-6699)

    Spare Parts List ECG AMP BOARD (PCB-6699) 6 - 31...
  • Page 160 Chapter 6 6 - 32...
  • Page 161 Spare Parts List 6 - 33...
  • Page 162 Chapter 6 6 - 34...
  • Page 163 Spare Parts List 6 - 35...

  • Page 164: Main Board (Pcb-7085)

    Chapter 6 OTHER SPARE PARTS LIST Part No. Part name Specification Q'ty 9D4794 Inverter module 121PW181 9E2514 Sensor ASSY FCP-7411 Sensor ASSY 9E2515 Speaker Speaker ASSY 9E3711 ECG CN BOARD ASSY PCB-6700 ASSY 9E3712 CARTRIDGE CN BOARD ASSY PCB-6716 ASSY 9E3713 ECG AMP ASSY PCB-6731 ASSY...

  • Page 165: Board Component Diagram

    Chapter Board Component Diagram MAIN BOARD (PCB-7085 component side) ........7-1 MAIN BOARD (PCB-7085 soldering side).......... 7-2 LCD CN BOARD (PCB-7092 component side) ........7-3 LCD CN BOARD (PCB-7092 soldering side) ........7-4 INTERFACE BOARD (PCB-7093 component side) ......7-5 INTERFACE BOARD (PCB-7093 soldering side) ......

  • Page 167: Main Board (Pcb-7085 Component Side)

    MAIN BOARD (PCB-7085 component side) 7 - 1...

  • Page 168: Main Board (Pcb-7085 Soldering Side)

    MAIN BOARD (PCB-7085 soldering side) 7 - 2...

  • Page 169: Lcd Cn Board (Pcb-7092 Component Side)

    Board Component Diagram LCD CN BOARD (PCB-7092 component side) 7 - 3...

  • Page 170: Lcd Cn Board (Pcb-7092 Soldering Side)

    Chapter 7 LCD CN BOARD (PCB-7092 soldering side) 7 - 4...

  • Page 171: Interface Board (Pcb-7093 Component Side)

    Board Component Diagram INTERFACE BOARD (PCB-7093 component side) 7 - 5...

  • Page 172: Interface Board (Pcb-7093 Soldering Side)

    Chapter 7 INTERFACE BOARD (PCB-7093 soldering side) 7 - 6...

  • Page 173: Ecg Amp Board (Pcb-6731 Component Side)

    Board Component Diagram ECG AMP BOARD (PCB-6731 component side) 7 - 7...

  • Page 174: Ecg Amp Board (Pcb-6731 Soldering Side)

    Chapter 7 ECG AMP BOARD (PCB-6731 soldering side) 7 - 8...

  • Page 175: Ecg Amp Board (Pcb-6699 Component Side)

    Board Component Diagram ECG AMP BOARD (PCB-6699 component side) 7 - 9...

  • Page 176: Ecg Amp Board (Pcb-6699 Soldering Side)

    Chapter 7 ECG AMP BOARD (PCB-6699 soldering side) 7 - 10...
  • Page 177 Chapter Assembly Diagrams Recorder 1/5 ..................8-1 Recorder 2/5 ..................8-2 Recorder 3/5 ..................8-3 Recorder 4/5 ..................8-4 Recorder 5/5 ..................8-5 LCD front case..................8-6 LCD rear case ..................8-7 Upper case (1/2) .................. 8-8 Upper case (2/2) .................. 8-9 Lower case (1/2) ................

  • Page 179: Recorder 1/5

    Recorder 1/5 2-W sems (L) M3x6 2-Ering, nominal : 4 3-W sems M3x6 Ering, nominal : 2.5 Part No. Drawing No. Name and type Q’ty Remarks 9H6382A 312-5046 Recorder chassis mounting plate SU 9H6387 314-5060 Intermediate gear mounting plate SU 6C3485 314-5044 Intermediate gear...

  • Page 180: Recorder 2/5

    Recorder 2/5 2-flat head M3x5 2-Ering, nominal : 3 2-flat head M3x5 W sems M3x6 Hexagon socket head cap screw M3x8 2-Ering, nominal : 4 Pass through part A and then insert (12) Part No. Drawing No. Name and type Q’ty Remarks 2-W sems M3x6...

  • Page 181: Recorder 3/5

    Recorder 3/5 3-Ering, nominal : 4 W sems M3x6 3-Ering, nominal : 4 W sems M3x6 Part No. Drawing No. Name and type Q’ty Remarks 6C3479A 311-5037 Magazine base 6C3486 314-5045 Hook 6C3484 314-5043 Gear A 6B8341 Bearing L-1060ZZ 6C3511 313-5076 Platen roll 6C3506...

  • Page 182: Recorder 4/5

    Recorder 4/5 2-W sems M3x6 2-W sems M3x6 W sems M3x6 2-W sems M3x6 W sems M2.6x10 2-W sems M3x6 Part No. Drawing No. Name and type Q’ty Remarks 6C3477A 311-5035 Recorder chassis 6C3499 314-5064 Hexatorq mounting plate 9H6381 313-5038 Paper presser (adjustable) SU 6C3508 314-5073...

  • Page 183: Recorder 5/5

    Recorder 5/5 2-W sems M3x6 2-W sems M3x6 Part No. Drawing No. Name and type Q’ty Remarks 410-1801 Recorder unit assembly diagram (2) 410-2990 Recorder unit assembly diagram (4) 6C9669 310-10270 Blind plate 8- 5...

  • Page 184: Lcd Front Case

    LCD front case 2-bind M2.6x6 2-W sems M3x6 2-bind M2.6x6 Part No. Drawing No. Name and type Q’ty Remarks 5G2497 310-10092 LCD front case SU 6C8275 310-6008 LCD hook shaft 6C8269 310-6002 LCD hook 6C8268 310-6001 LCD level 6C8272 310-6005 Hook holder 6C8276 310-6009...

  • Page 185: Lcd Rear Case

    LCD rear case 6-W sems(L) M3x8 2-W sems(L) M3x8 2-W sems(L) M3x8 2-W sems M2.6x6 Part No. Drawing No. Name and type Q’ty Remarks 6C9640 310-10094 LCD rear case 4-W sems(L) M3x8 9H7025 310-10095 LCD shield plate SU 1L1781 680-4823 LCD module NL10276BC24-13 1G9442 680-4007...

  • Page 186: Upper Case (1/2)

    Upper case (1/2) 4-W sems M3x8 Part No. Drawing No. Name and type Q’ty Remarks 9H6500A 310-5990 Upper case U 6C8260A 310-5993 LED filter 6C8263 680-3892 Hinge (L) 6C8262 680-3891 Hinge (R) 13-W sems M3x8 6C8267 310-6000 LCD sleeve 1G9478 680-4979 Operation panel 6C9653...

  • Page 187: Upper Case (2/2)

    Upper case (2/2) 8-W sems M4x16 4-W sems(S) M3x10 Part No. Drawing No. Name and type Q’ty Remarks 410-2925 LCD front case assembly diagram 410-2926 LCD rear case assembly diagram 410-3138 Upper case assembly diagram (1) 6C8266 310-5999 LCD cord cover 6C8277 310-6010 Rubber cap...

  • Page 188: Lower Case (1/2)

    Lower case (1/2) 2-W sems(S) M3x8 4-W sems(S) M3x8 2-W sems(S) M3x6 2-W sems(S) M3x8 2-W sems(S) M3x8 2-M6 nut 1-M6 spring washer 1-M6 plain washer 2-W sems(S) M3x10 Part No. Drawing No. Name and type Q’ty Remarks 6C3518C 111-7118 Lower case 9H6430 312-5084...

  • Page 189: Lower Case (2/2)

    Lower case (2/2) 5-W sems(L) 2-W sems(L) M3x8 M3x8 2-W sems(L) M3x8 2-W sems M3x6 3-W sems(L) M3x8 Part No. Drawing No. Name and type Q’ty Remarks 410-3140 Lower case assembly diagram (1) 1T5971A 680-4822 Power supply unit 9H7024 310-10090 MAIN BOARD locking plate SU 6C9654 310-10149...

  • Page 190: Ecg Amp

    ECG Amp 4-W sems(S) M3x8 Bonded with two-sided adhesive tape 2-W sems(S) M3x8 Part No. Drawing No. Name and type Q’ty Remarks 9H6392 112-7130 Module case lower SU 6C3537 314-5090 ECG shield plate 6C3538 314-5091 ECG insulation sheet 9E3713 AMP BOARD ASSY 6C3688 314-3514 ECG Shield cover...

  • Page 191: General Assembly Diagram

    General assembly diagram 4-W sems(L) M3x8 Part No. Drawing No. Name and type Q’ty Remarks 410-2930 Lower case assembly diagram (2) 410-2928 Upper case assembly diagram (2) 410-1450 Recorder unit assembly diagram (5) 410-1454 ECG amp assembly diagram 6C3868 310-5375 Spacer plate 5G1067 154-5396...

  • Page 192: Outline View

    Outline view Opened LCD 8- 14...
  • Page 193 Chapter Technical Instructions Related to Emission information CISPR11............9-2 Immunity information (to other than radiation/conduction) .... 9-3 Immunity information (to radiation/conduction) ......9-4 Recommended distance of separation from portable telephone, etc..................9-5 Electrosurgery interference ............... 9-5...

  • Page 195: Chapter 9 Technical Instructions Related To Emc

    Chapter 9 Technical Instructions Related to EMC This chapter concerns 5 different information as appended documents required by IEC 60601-1-2 Ed.2 and 60601-2-25. (1) Emission information CISPR11 (2) Immunity information (to other than radiation/conduction) (3) Immunity information (to radiation/conduction) (4) Recommended distance of separation from portable telephone, etc. (5) Electrosurgery interference 9 - 1...

  • Page 196: Emission Information Cispr11

    Chapter 9 Emission information CISPR11 The following shows a declaration related to CISPR11. Guidance and declaration by manufacturer – Electromagnetic emission – CISPR11 The equipment is intended to be used in the electromagnetic environment designated below. Client or user of the equipment is requested to confirm the equipment will be operated in such environment.

  • Page 197: Immunity Information (To Other Than Radiation/Conduction)

    Technical Instructions Related to EMC Immunity information (to other than radiation/conduction) The following is a declaration related to the electromagnetic immunity of the equipment. Guidance and declaration by manufacturer – Electromagnetic emission – CISPR14 The equipment is intended to be used in the electromagnetic environment designated below. Client or user of the equipment is requested to confirm the equipment will be operated in such environment.

  • Page 198: Immunity Information (To Radiation/Conduction)

    Chapter 9 Immunity information (to radiation/conduction) The following is a declaration related to the electromagnetic immunity of the equipment. Guidance and declaration by manufacturer – Electromagnetic emission – Other than life support system The equipment is intended to be used in the electromagnetic environment designated below. Client or user of the equipment is requested to confirm the equipment will be operated in such environment.

  • Page 199: Recommended Distance Of Separation From Portable Telephone, Etc

    Technical Instructions Related to EMC Recommended distance of separation from portable telephone, etc. The following shows the recommended distance of separation of the equipment from portable or mobile RF communication devices. Recommended distance of separation of equipment from portable or mobile RF communication devices The equipment is intended to be used in the electromagnetic environment where the RF interference is regulated.
  • Page 200 Chapter 9 9 - 6...
  • Page 202 39-4, Hongo 3-chome, Bunkyo-ku, Tokyo, Japan Phone:+81-3-3815-2121 Fax:+81-3-3814-1222 4R002169A 200706 ◯...

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