Fukuda Denshi CardiMax FX-8322 Service Manual Download Page 38

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Chapter 4 Operational Description

4-4

4-3-2 CPU Board Section

4-3-2-1 Secondary Power Supply Unit

The block diagram regarding the secondary power supply circuit is shown below.

+3.3V

Primary power
supply input

DC-DC
Power Supply
for CPU

+8V to +20V

CHARGE IC

Battery

C
N

+1.2V

Battery input 14.8V DC

DC-DC

LDO

Power Supply for

FPGA

REG

C
N

+3.0V

+1.375V

+2.5V

+1.35V

+1.8V

DC-DC1

DC-DC2

DC-DC3

LDO1

LDO2

+5V

+24V

+5Vstby

+5Vtmp

For motor

For thermal

DC-DC

+12V

For LCD backlight

18V DC

Summary of Contents for CardiMax FX-8322

Page 1: ...di iM Ma ax x F FX X 8 83 32 22 2 F FX X 8 83 32 22 2R R Service Manual Read this service manual carefully before installing or performing maintenance of the equipment After reading keep this manual near the equipment for future use ...

Page 2: ...is service manual verify that there is no paging disorder or missing page You are requested to kindly fill the underlined area below in this sheet and send it back to us after verification Please be noted that photocopying of this manual is strictly prohibited Also for improvement of the future service manual your comment and request will be appreciated If you have any comment or request on usabil...

Page 3: ...Revision History Model name FX 8322 FX 8322R Service Manual Revision History Version Item Reason Revision date 1 Initial Version February 2010 ...

Page 4: ......

Page 5: ...nnel and authorized engineers Before performing maintenance or troubleshooting on the equipment read the manual carefully in order to use it correctly and safely When servicing or adjusting this equipment strictly observe the cautions and procedures described in this service manual Failure to follow the instructions in this manual may lead to serious accidents ...

Page 6: ...these instructions could cause injury or damage to the equipment Indication of symbols The following symbols indicate prohibition or compulsion of acts Indicates actions that are prohibited Detailed instructions are provided next to the icon Provides instructions on how to cope with dangers warnings and cautions Detailed instructions are provided next to the icon Indicates actions that must be per...

Page 7: ...e related department of Fukuda Denshi International Sales Division beforehand when operating the equipment with its housing removed In order to avoid damage to electric parts by static electricity operate the equipment on a working desk with anti static mat Furthermore make sure to wear an anti static wrist strap designed to discharge static electricity from human body when operating the equipment...

Page 8: ...fely and properly Do not damage or erase characters on the labels Transportation Relocation CAUTION Do not use the equipment in locations subject to strong vibrations excessive dust or in the vicinity of chemicals A failure may result Do not subject the FX 8322 FX 8322R to a strong impact or vibration Be careful not to drop it Electric shock or fire may result Temperature CAUTION To avoid condensa...

Page 9: ... insert any media card into an incompatible card slot It may cause an injury to the patient or the operator or result in a serious failure of the equipment Never disassemble media cards Do not touch the terminal of the SD card with your hand Do not remove media cards from the equipment while data are being read or written to them It may damage the media cards resulting in data loss and or cause a ...

Page 10: ... Make sure to start using the equipment after due preparation Ensure that the equipment is installed correctly and that all cables are properly connected Maintenance should be carried out by a specialist Use an electronic voltmeter or a digital voltmeter as a measuring instrument for the daily periodic check Make sure to clean each section after performing the check CAUTION Remove the battery medi...

Page 11: ...scribes the external appearance of the equipment as well as names and functions of different connectors and switches Chapter 4 Operational Description Describes the block diagrams and operational summaries of each function block Chapter 5 Internal Connection Diagram Describes the power supply signal connection and cable diagrams Chapter 6 Spare Parts List Describes the spare parts list Chapter 7 D...

Page 12: ...lectric Cautery 2 5 3 Names and Functions of Parts 3 1 3 1 Outside Drawing of the Equipment 3 1 3 2 Names and Descriptions of Parts 3 2 4 Operational Description 4 1 4 1 Hardware Overview 4 1 4 2 System Block Diagram 4 2 4 3 Operational Description 4 3 4 3 1 Primary Power Supply Unit 4 3 4 3 2 CPU Board Section 4 4 4 3 2 1 Secondary Power Supply Unit 4 4 4 3 2 2 Bus I F 4 6 4 3 2 3 Thermal Head Co...

Page 13: ...der Block 7 8 7 13 7 14 Recorder Block 8 8 7 14 7 15 CRT Block For FX 8322R 7 15 7 16 General Assembly Drawing 7 16 7 17 Outside Drawing 7 17 8 Software Update Procedure 8 1 9 Caution Labels 9 1 10 Troubleshooting 10 1 10 1 Repair and Service 10 1 10 1 1 When ECG Recording is Unstable 10 1 10 1 2 When the Equipment Does Not Operate Normally 10 2 10 2 When an Error Message is Displayed 10 3 10 3 Ha...

Page 14: ...3 4 6 Removing the ECG AMP Board 11 12 11 4 Safety Block Diagram 11 13 12 Daily and Periodic Checks 12 1 12 1 Cautions on Maintenance and Inspection 12 1 12 2 Daily Check 12 2 12 2 1 Visual Check 12 3 12 2 2 Mechanical Check 12 3 12 2 3 Electrical Check 12 3 12 3 Periodic Check 12 4 12 3 1 Safety Check 6 items 12 5 12 3 1 1 Resistor Network 12 6 12 3 1 2 Earth Leakage Current 12 7 12 3 1 3 Enclosu...

Page 15: ...xi 12 3 5 7 Mac Address 12 18 12 3 5 8 Log Output 12 19 12 3 5 9 Factory Default Setting 12 20 12 3 5 10 Install 12 21 12 3 5 11 Uninstall 12 22 ...

Page 16: ......

Page 17: ...Chapter 1 Overview C Ch ha ap pt te er r 1 1 Overview 1 Overview 1 1 ...

Page 18: ...Chapter 1 Overview ...

Page 19: ...lows 1 A 6 5 inch color TFT LCD display provides superior visibility over the FX 7402 2 Z fold paper can now be built into the unit enabling easier transportation from the trolley 3 The FX 8322 FX 8322R thermal outputs 2D result report presenting a heart illustration based on observation and measurement results as well as treatment information which can be useful for informed consent 4 It presents...

Page 20: ...Chapter 1 Overview 1 2 ...

Page 21: ...mental Conditions 2 2 2 6 Outside Dimensions Weight 2 2 2 7 Guidance for EMC 2 3 2 7 1 Compliance with Electromagnetic Emissions 2 3 2 7 2 Compliance with Electromagnetic Immunity 1 2 3 2 7 3 Compliance with Electromagnetic Immunity 2 2 4 2 7 4 Recommended Separation Distance between Portable Mobile RF Communications Equipment and the FX 8322 2 5 2 7 5 Interference by Electric Cautery 2 5 ...

Page 22: ...Chapter 2 Specifications ...

Page 23: ...d 12 leads Error within 5 range Time constant 3 2 seconds or greater Sampling rate 8 000 sec Skew between leads 0 seconds Standard sensitivity 10mm mV Sensitivity switch 1 4 1 2 1 2 Automatic Sensitivity stability Aging variation within 3 range Sensitivity precision Error within 5 range Common mode rejection 103dB or greater AC filter Filter High pass Low pass Drift AC Muscle Heart rate detection ...

Page 24: ...USB memory y Communication Serial RS 232C 2 LAN 100Base T 1 2 5 Environmental Conditions y Operation environment Ambient temperature 10 to 40 degrees Celsius Relative humidity 25 to 95 no condensation allowed y Transportation and storage environment non packed state Ambient temperature 10 to 50 degrees Celsius Relative humidity 10 to 95 no condensation allowed y Transportation and storage environm...

Page 25: ... humidity should be 30 or higher Electrically fast transition burst IEC 61000 4 4 2kV Power supply lines 1kV Input output lines 2kV Power supply lines 1kV Input output lines It is desirable that the quality the power supply be equivalent to that of a standard commercial or hospital environment Surge IEC 61000 4 5 1kV Differential mode 2kV Common mode 1kV Differential mode 2kV Common mode It is des...

Page 26: ...agnetic survey a must be lower than the compliance level in each frequency range b Interference may occur near the equipment marked with the following symbol NOTE 1 The separation distance for higher frequency range applies to 80 MHz and 80 MHz respectively NOTE 2 These guidelines may not apply to all situations Electromagnetic propagation is affected by reflection and absorption from buildings ob...

Page 27: ...licable to the frequency of the transmitter P in the formula is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer NOTE 1 The separation distance for higher frequency range applies to 80 MHz and 800 MHz respectively NOTE 2 These guidelines may not apply to all situations Electromagnetic propagation is affected by reflection and absorption from b...

Page 28: ...Chapter 2 Specifications 2 6 ...

Page 29: ...ter 3 Names and Functions of Parts C Ch ha ap pt te er r 3 3 Names and Functions of Parts 3 Names and Functions of Parts 3 1 3 1 Outside Drawing of the Equipment 3 1 3 2 Names and Descriptions of Parts 3 2 ...

Page 30: ...Chapter 3 Names and Functions of Parts ...

Page 31: ... Blue 4 Charge lamp Blue orange 5 LCD 6 Touch key 7 Paper tray 8 Thermal head 9 SD card slot 10 USB ports 1 2 11 Power connector 15 LAN port 13 Lead connector 18 External monitor connector FX 8322R 14 Serial ports 1 2 12 Potential equalization terminal 21 Lower housing 16 Battery slot 17 Paper tray open button 20 Upper housing 19 R wave synchronized signal ...

Page 32: ... become orange when charging error occurs 5 LCD Displays ECG waveforms and patient information 6 Touch key Executes its designated function 7 Paper tray Load the recording paper 8 Thermal head Records ECG waveform and prints the analysis result etc 9 SD card slot Stores ECG data on SD card and plays back data 10 USB ports 1 2 Connects USB devices such as USB memory 11 Power connector Connects the ...

Page 33: ... 2 CPU Board Section 4 4 4 3 2 1 Secondary Power Supply Unit 4 4 4 3 2 2 Bus I F 4 6 4 3 2 3 Thermal Head Control Section 4 6 4 3 2 4 Motor Drive Section 4 7 4 3 2 5 Sensor Drive Section 4 8 4 3 2 6 USB I F Section 4 8 4 3 2 7 SD CARD I F Section 4 9 4 3 2 8 RS 232C I F Section 4 9 4 3 2 9 Sound I F Section 4 9 4 3 2 10 R Sync I F Section 4 10 4 3 3 ECG Amp Board Section 4 10 4 3 4 Operation Board...

Page 34: ...Chapter 4 Operational Description ...

Page 35: ... detailed ECG data y The general configuration diagram of the FX 8322 FX 8322R including optional configurations is shown below Dashed lines indicate the optional configurations ECG Unit FX 8322 FX 8322R USB Memory DMS Patient Master Table SD Card Barcode reader SD Slot x 1 USB x 2 100 Base T LAN RS232C x 2 Built in Battery IC Card Reader Wireless LAN module External Monitor FX 8322R R SYNC ...

Page 36: ...er supplies PCB 7285 Bus I F 16bit bus Thermal head control Motor drive Sensor drive USB I F Supports Full Speed and Low Speed SD CARD I F RS 232C I F Sound I F R Sync I F ECG Amp board section ECG input PCB 6731 Operation board section KEY LCD I F and touch panel I F PCB 7359 CRT Board section External monitor I F PCB 7286 AC IN CPU Board Section Secondary Power Supply Unit PCB 7285 Primary Power...

Page 37: ...k diagram of the primary power supply unit is shown below y The primary power supply unit accepts voltages from 90V to 264V AC 18V is output using rectification and switching power supply Fuse Line Filter Inrush Current Prevention Circuit 18V Generation Unit Switching Section AC90 264V 47 63Hz Fuse Feedback Section 18V ...

Page 38: ...r supply circuit is shown below 3 3V Primary power supply input DC DC Power Supply for CPU 8V to 20V CHARGE IC Battery C N 1 2V Battery input 14 8V DC DC DC DC DC DC DC LDO Power Supply for FPGA REG REG C N 3 0V 1 375V 2 5V 1 35V 1 35V 1 8V DC DC1 DC DC2 DC DC3 LDO1 LDO2 5V 24V 5Vstby 5Vtmp For motor For thermal DC DC 12V For LCD backlight 18V DC ...

Page 39: ...for the LCD backlight and fan y 5V power supply DC DC converter is used to generate the power supply required for the RS 232C I F and USB I F circuits It is also used to generate the power supply required by the FPGA y 3 3V power supply DC DC converter is used to generate the power supply required for each logic circuit It is also used to generate the power supply required for the CPU y 3 0V power...

Page 40: ...f the FPGA with the same timing as the interrupt from the FPGA The FPGA sets the drawing data from the CPU to the feeding rate and then transfers them to the thermal head The CPU reads the temperature data of the thermal head and outputs them as strobe data to the FPGA upon adding the temperature conditions The FPGA monitors overheating paper end and tray up When any of these are detected the FPGA...

Page 41: ...a drive pulse to the motor driver based on the value set from the CPU The motor driver drives the stepping motor at the frequency and current values that correspond to the drive pulse The FGPA also controls the motor drive power and supplies adequate voltage corresponding to the feeding rate to the motor driver PCB 7285 FPGA CPU Motor Driver Power Supply Motor Driver Stepping Motor Feeding rate da...

Page 42: ...he FPGA This information is used for the motor or thermal signals or transferred to the CPU as a detection result 4 3 2 6 USB I F Section y The block diagram of the USB I F section is shown below y The USB I F has 2 channels worth of circuits and the I F is acquired via a USB dedicated transceiver It also incorporates a USB power control device as protection against overcurrent When overcurrent is...

Page 43: ...tal isolator and then wired to the serial connector of the equipment I O and internal signals of the equipment are level converted by the RS 232C driver The buffer converts the 3V signals from the CPU to 5V level signals 4 3 2 9 Sound I F Section y The block diagram regarding the sound I F is shown below y The sound source data transferred from the CSPI to the CPU are converted into analog signals...

Page 44: ...1 C2 C3 C4 C6 C5 C7 C8 C9 F RF AMP G A TxD RxD Photo Coupler Isolation Power 5VF 2 5VA 2 5VA A D Converter 5V 100KHz TxD RxD Unmount E25F y The ECG signals from the patient connectors enter the differential amplifier through an input protection section Right hand left hand and chest 1 to 6 signals are amplified differentially from the left leg signal here The output signals from the differential a...

Page 45: ...LCD inverter power supply y Transmission of LCD control signals y Communication related to LED on off and flashing y Transmission of power ON OFF key press information Touch Panel Controller Coordinate data Coordinates CONNECTOR Connects to touch panel Connects to CPU BOARD COL ROW Operation Key C O N N E C T O R CONNECTOR LCD control signal CONNECTOR Transformer BL_SIG Inverter power supply Conne...

Page 46: ...erational Description 4 12 4 3 5 CRT Board Section y The CPU BOARD outputs the signal for the external monitor via the AG 9 digital RGB and DAC analog RGB AX51901 AG 9 SDRAM CPU BOARD DAC Amp AD813 External Monitor ...

Page 47: ...Chapter 5 Internal Connection Diagram C Ch ha ap pt te er r 5 5 Internal Connection Diagram 5 Internal Connection Diagram 5 1 ...

Page 48: ...Chapter 5 Internal Connection Diagram ...

Page 49: ...he factory to perform the repair Connectors used on the boards are very small and have extremely fine pin pitches Attempts to repair or remove connectors may damage the boards connectors or parts Make sure to handle the flexible cable with great care Touching the soldered side of the flexible cable or inserting the cable the wrong way around may cause malfunctioning or irreparable damage to the eq...

Page 50: ...Chapter 5 Internal Connection Diagram 5 2 ...

Page 51: ...Chapter 6 Spare Parts List C Ch ha ap pt te er r 6 6 Spare Parts List 6 Spare Parts List 6 1 ...

Page 52: ...Chapter 6 Spare Parts List ...

Page 53: ...0 1 1L0048340 Fuse TF16SN1 00 1 9E0108570 Speaker ASSY FCP 8321 Speaker ASSY 1 1Y010009A FAN FCP 8221 FAN ASSY 1 9E0108580 Sensor ASSY FCP 8321 Recorder sensor ASSY 1 1M0101650 Cable FCP 8221 LCD Cable 30P 1 1M0102240 Cable ASCUJ 0 5 40F 200 7S3 B M1 20624 2 1M0101670 Cable FCP 8221 Backlight relay cable 1 1M0102250 Cable FCP 8321 AC inlet cable 1 1M0101690 Cable NWFCUJ 1 0 6F 100 10S5 G M1 20624 ...

Page 54: ... 6C0115340 Rear panel 1 6C0115350 RGB Connector Cover 1 6C0115740 Main Unit Shield Plate A 1 6C0115750 Main Unit Shield Plate B 1 5T0100140 Hexagonal spacer M2 13 ASB 2013E 3 5H010540A Caution label Battery 1 6C0102050 Screw lock washer TM 147 1 2 6C0117260 Thermal conduction sheet 1 1Z0101220 Gasket E02S100040RT 60mm 2 6C0115000 Tray Base 1 6C003478A Tray Front 1 6C0115010 Platen roll 1 6C0115020...

Page 55: ...chassis 1 6C0115160 Paper Cutter 1 6C0115170 Ultra Spring C 219 2 6C0036500 Static electricity elimination felt A 2 6C0115180 Tray lever 1 6C0115190 Hook spring 1 9H0102760 Gear mounting plate A SU 1 6C0112870 Gear A 1 6C0112890 Deceleration gear A 1 6C0112900 Deceleration gear B 1 6C0112910 Intermediate gear 1 6C0115230 Gear mounting plate B 1 6C0112860 Spring retainer collar 2 6C0115060 Tray sup...

Page 56: ...Chapter 6 Spare Parts List 6 4 ...

Page 57: ... Block 1 4 7 3 7 4 Lower Case Block 2 4 7 4 7 5 Lower Case Block 3 4 7 5 7 6 Lower Case Block 4 4 7 6 7 7 Recorder Block 1 8 7 7 7 8 Recorder Block 2 8 7 8 7 9 Recorder Block 3 8 7 9 7 10 Recorder Block 4 8 7 10 7 11 Recorder Block 5 8 7 11 7 12 Recorder Block 6 8 7 12 7 13 Recorder Block 7 8 7 13 7 14 Recorder Block 8 8 7 14 7 15 CRT Block For FX 8322R 7 15 7 16 General Assembly Drawing 7 16 7 17...

Page 58: ...Chapter 7 Disassembly and Assembly Procedure ...

Page 59: ...Cable 1 8 5G0021510 EMC Compliant Label 29x10 5 2 7 1G0100370 680 5628 Operation Panel 1 6 6C0115270 310 14029 Push button 1 5 9F0102580 PCB 7359 ASSY 1 4 410 4258 LCD module assembly drawing 1 3 6C0113340 310 13719 LCD packing B 2 Same with FCP 8221 2 6C0113330 310 13718 LCD packing A 2 Same with FCP 8221 1 9H0102770 310 14026 Upper case SU 1 No Item no Drawing no Name Type Qty Note View A 2 Kapt...

Page 60: ...00RT 2 3 1G0100310 680 5497 Touch Panel FD 42 1D 1 Same with FCP 8221 2 1L0100540 680 5496 LCD LTA065B0D0F 1 Same with FCP 8221 1 6C0225260 310 14028 LCD mounting plate 1 No Item no Drawing no Name Type Qty Note Gasket Attachment Position View A Align end face Attachment position for the double sided tape Middle for upper lower tape downward for left right tape ...

Page 61: ...10 6C0117260 310 14355 Thermal Conduction Sheet 1 9 6C0115350 310 14038 RGB Connector Cover 1 8 6C0115340 310 14037 Rear Panel 1 7 6C0115330 310 14036 Side Panel 1 6 1Z0101220 Gasket E02S100040RT 2 5 6C0115740 310 14133 Main Unit Shield Plate A 1 4 9F0102010 PCB 7285 ASSY 1 Same with FCP 8221 3 6C0115750 310 14134 Main Unit Shield Plate B 1 2 410 4264 Power Supply Unit Assembly Drawing 1 1 410 426...

Page 62: ...68 In panel Earth Mark 1 Same with FX 326U 7 1M0102250 310 14346 FCP 8321 AC Inlet Cable 1 6 6C0115310 310 14034 Potential Equalization Terminal Cover 1 5 1K0018000 Potential Equalization Terminal POAG S6 15 1 Same with FCP 8221 4 6C0117250 310 14353 Fan Cover 1 3 1Y010009A 310 13536 Fan ASSY 1 2 1T0100600 680 5621 Power Supply Unit APAV003 07 1 Same with FX 7500 1 6C0115300 310 14033 Main Unit Ch...

Page 63: ...4354 Caution Label Battery 1 6 9E0108570 310 14348 Speaker ASSY 1 5 410 4262 ECG Amplifier Assembly Drawing 1 4 6C0035190 314 5082 Rubber Support 4 Same with FCP 7411 3 6C0115290 310 14032 Battery Cover 1 2 6C0102050 Screw Lock Washer TM 147 1 2 Same with FCP 8221 1 9H0102780 310 14030 Lower Case SU 1 No Item no Drawing no Name Type Qty Note ...

Page 64: ... 5 1T0100520 Ferrite Core FPC 11 8 2 1 Same with FCP 8221 4 1M0101690 Cable 1 Same with FCP 8221 3 9F0054980 PCB 6699AASSY 1 Same with FCP 7411 2 6C0113270 310 13711 ECG shield plate 1 Same with FCP 8221 1 5G0010630 114 7128 Upper module case ECG U 1 Same with FCP 8221 No Item no Drawing no Name Type Qty Note ...

Page 65: ...ck 1 8 2 E ring Nominal diameter 4 4 1Z0101230 Finger Strips E01S24 1 3 6C0115240 310 14025 Tray Axis Shaft 1 2 410 4250 Tray Assembly Drawing 1 1 410 4254 Recorder Assembly Drawing 1 No Item no Drawing no Name Type Qty Note 3 Kapton No 5419 Tape Attachment Position ...

Page 66: ...40 314 5069 Tray Collar 2 Same with FCP 7411 3 6C0035090 310 5074 Tray Spring 1 Same with FCP 7411 2 410 4249 Tray Front Assembly Drawing 1 1 6C0115000 310 13999 Tray Base 1 No Item no Drawing no Name Type Qty Note View A View B Adjust the spring foot to concave Adjust the spring foot to concave Attach between mark Tape Brush Attachment Position Align the end face Apply grease to outer circumferen...

Page 67: ...e 1 Same with FCP 7411 7 6C0115190 310 14019 Hook Spring 1 6 6C0115180 310 14018 Tray Lever 1 5 6C0115090 310 14009 Paper Case Side Plate 1 4 410 4253 Paper Case Assembly Diagram 1 3 410 4252 Recorder Chassis Assembly Diagram 1 2 410 4251 Thermal Head Assembly Diagram 1 1 410 4248 Motor Assembly Diagram 1 No Item no Drawing no Name Type Qty Note Sensor ASSY Connection ...

Page 68: ...44 2 Same with FCP 8221 7 6C0115100 310 14010 Hook 2 6 6C0115110 310 14011 Hook Mounting Shaft 1 5 6C0112850 310 13668 Sensor Button 1 Same with FCP 8221 4 6C0112970 310 13681 Paper Support Plate A SU 1 Same with FCP 8221 3 6C0112990 310 13684 Paper Support Plate B SU 1 Same with FCP 8221 2 6C0112920 310 13675 Paper Support 2 Same with FCP 8221 1 9H0102740 310 14007 Paper Case SU 1 No Item no Draw...

Page 69: ...ixing Shaft 1 Same with FCP 7301 5 6C0036500 314 5312 Static Electricity Elimination Felt 1 Same with FCP 7411 4 1W003042B 680 3899 Thermal Head AE216 8E603 1 Same with FCP 7402 3 9H0102750 310 14013 Thermal Head Fixing Plate SU 1 2 6C0090710 310 7974 Adjust Screw 2 Same with FCP 7301 1 9H0103170 310 14356 Platen Roll Guide Plate SU 1 No Item no Drawing no Name Type Qty Note 2 Pan Head Screw M3x5 ...

Page 70: ...Roll Collar 1 Same with FCP 7411 5 6C0115030 310 14002 Gear B 1 4 6C0096930 Bearing DDL 1060ZZ LY551 4 Same with FCP 7411 3 6C0115010 310 14000 Platen Roll 1 2 6C0036500 314 5312 Static Electricity Elimination Felt A 1 Same with FCP 7411 1 6C003478A 312 5036 Tray Front 1 Same with FCP 7411 No Item no Drawing no Name Type Qty Note ...

Page 71: ...pter 7 Disassembly and Assembly Procedure 7 13 7 13 Recorder Block 7 8 2 W sems L M3 8 2 6C0115160 310 14017 Paper Cutter 1 1 6C0115150 310 14016 Recorder Chassis 1 No Item no Drawing no Name Type Qty Note ...

Page 72: ...le 4P 1 Same with FCP 8221 7 6C0115230 310 14024 Gear Mounting Plate B 1 6 6C0112890 310 13672 Deceleration Gear A 1 Same with FCP 8221 5 6C0112900 310 13673 Deceleration Gear B 1 Same with FCP 8221 4 6C0112910 310 13674 Intermediate Gear 1 Same with FCP 8221 3 6C0112870 310 13670 Gear A 1 Same with FCP 8221 2 9H0102760 310 14020 Gear Mounting Plate A SU 1 1 1Y0100100 680 5499 Motor PJP28T51G14 01...

Page 73: ... 5 6C0117280 310 14358 Main Unit Shield Plate C 1 4 1Z0101240 Finger Strips E01C11 6 tabs 3 5T0035420 Inch Screw XM4Z 0023 2 Same with FCP 7411 2 6C0115360 310 14039 Protective Metal 1 1 9F0102620 PCB 7286 ASSY 1 No Item no Drawing no Name Type Qty Note Note After fixing the inch screw apply screw lock from back ...

Page 74: ...5H0103920 310 13721 Logo Batch 1 Same with FCP 8221 4 410 4280 CRT Assembly Drawing 1 3 410 4255 Recorder Assembly Drawing 1 Same with FCP 8321 2 410 4274 Upper Case Assembly Drawing 1 Same with FX 8322 CE 1 410 4283 Main Unit Assembly Drawing 1 1 No Item no Drawing no Name Type Qty Note Kapton No 5419 Attach above mark Note This drawing is for the FX 8322R For the FX 8322 refer to Lower Case Bloc...

Page 75: ...Chapter 7 Disassembly and Assembly Procedure 7 17 7 17 Outside Drawing ...

Page 76: ...Chapter 7 Disassembly and Assembly Procedure 7 18 ...

Page 77: ...Chapter 8 Software Update Procedure C Ch ha ap pt te er r 8 8 Software Update Procedure 8 Software Update Procedure 8 1 ...

Page 78: ...Chapter 8 Software Update Procedure ...

Page 79: ...ibe the software update procedure CAUTION Never remove the SD card while software update is in progress It may lead to failure of the equipment and or the SD card or it may become impossible to perform software update CAUTION When updating software make sure to operate the equipment with AC power ...

Page 80: ... equipment and press the Power key while holding down the lead switch key Be sure to hold down the key until the install screen is displayed 3 The install screen is displayed and the installation will start A message will be displayed when the installation is completed Follow the instructions on how to remove the SD card and turn off the equipment Power key key ...

Page 81: ...Chapter 9 Caution Labels C Ch ha ap pt te er r 9 9 Caution Labels 9 Caution Labels 9 1 ...

Page 82: ...Chapter 9 Caution Labels ...

Page 83: ...shows the attachment positions of the danger warning labels CAUTION The danger warning caution labels attached on the FX 8322 FX 8322R provide important information for using the FX 8322 FX 8322R safely and properly Do not damage or erase characters on the labels ...

Page 84: ...Chapter 9 Caution Labels 9 2 ...

Page 85: ...CG Recording is Unstable 10 1 10 1 2 When the Equipment Does Not Operate Normally 10 2 10 2 When Error Message is Displayed 10 3 10 3 Hardware Troubles 10 5 10 3 1 Trouble On Start up 10 6 10 3 2 Trouble During Operation 10 7 10 3 2 1 ECG 10 7 10 3 2 2 LCD 10 8 10 3 2 3 Recording and Recorders 10 9 10 3 2 4 Keys 10 9 10 3 2 5 Other 10 10 ...

Page 86: ...Chapter 10 Troubleshooting ...

Page 87: ...y the noise source Is the temperature of the examination location kept within the 20 25 degrees Celsius range Is the examination location low in humidity z Is the lead cable connected properly Is the lock loose Is the tip of the lead cable connected properly to the electrode z Is the state of the electrode good Has the patient s skin been wiped thoroughly with ethanol cotton and then treated with ...

Page 88: ... Is the power cable connected properly Is the connection to the power outlet loose z Could an external device be playing a part in the trouble Is the external device turned on Is the specified cable used to connect the equipment with the external device Is the connection cable to the external device broken Note z When checking the trouble be sure to disconnect the external device from the equipmen...

Page 89: ...battery Cause Battery power decreased during battery operation and the power was automatically turned off Remedy Charge the battery before starting battery operation Battery voltage is low Printing cannot be performed Cause Battery power decreased during battery operation and printing did not start Remedy Connect the power cable to transfer to AC power operation or charge the battery Battery volta...

Page 90: ...inserted SD card cannot be used Cause An SD card of a different format type is inserted Remedy Insert an SD card formatted for the unit USB memory formatting failed Cause USB memory formatting failed Remedy The inserted USB memory may be defective Contact us There is no free space in the USB memory Replace the memory Cause There is no free space in the USB memory Remedy Insert a new USB memory or ...

Page 91: ...s If the power cannot be turned off normally by pressing the On Off Stby key keep pressing the key for about 10 seconds This forcibly turns the power off by hardware Make sure to check the boards and connectors after removing the battery from the equipment Performing these checks while the equipment is energized could result in failure of the equipment Do not plug unplug cables with wet hands Elec...

Page 92: ...wer on circuit Replace operation panel Replace PCB 7285 Insufficient battery capacity Battery capacity Charge battery Replace battery Break in battery connection Battery cable Replace battery 5V standby power not supplied CPU BOARD 5V standby power supply circuit Replace PCB 7285 Power on circuit not functioning Operation panel power key contact area CPU BOARD power on circuit Replace operation pa...

Page 93: ...le NWFCUJ 1 0 6F 100 10S5 G M1 20624 Replace cable Shield break in lead cable Lead cable Replace lead cable Failure of right leg drive circuit ECG Amp circuit Replace PCB 6731 Noise in ECG All leads Failure of lead disconnection circuit ECG Amp circuit Replace PCB 6731 Shield break in lead cable Lead cable Replace lead cable Failure of ECG Amp ECG Amp circuit Replace PCB 6731 Noise in ECG Specific...

Page 94: ...LCD Failure of inverter Inverter Replace inverter ASCUJ 0 5 40F 200 7S3 B M1 20624 LCD flickers Bad contact or break in cable FCP 8221 LCD cable 30P Replace cable Failure of inverter Inverter Replace inverter LCD cable not plugged in properly FCP 8221 LCD cable 30P Plug in cable properly Backlight relay cable not plugged in properly FCP 8221 backlight relay cable Plug in cable properly LCD is diff...

Page 95: ...r sensor ASSY Failure of FPGA FPGA Replace PCB 7285 Recording paper is not fed Failure of motor Motor Replace motor Break in cable Sensor ASSY Replace FCP 8321 recorder sensor ASSY Soiling of the mark sensor section Mark sensor Clean the mark sensor section Printing does not stop at the perforated line of the Z fold paper Failure of sensor signal detection circuit Sensor signal detection circuit R...

Page 96: ... battery is flat Backup battery Replace PCB 7285 The clock and or calendar is inaccurate Failure of RTC IC RTC Replace PCB 7285 Failure of any of the circuits Entire CPU board Replace PCB 7285 The fuse blows Failure of fuse Fuse Replace power supply unit Failure of power off circuit CPU board power off circuit Replace PCB 7285 The power does not turn off Freezing of software None Turn off the powe...

Page 97: ...ews and Panels 11 6 11 3 1 4 Removing CRT BOARD 11 6 11 3 1 5 Removing CPU BOARD 11 7 11 3 2 Removing the OPERATION BOARD PCB 7359 11 8 11 3 3 Removing the LCD Module 11 9 11 3 4 Removing the ECG AMP BOARD PCB 6731 11 10 11 3 4 1 Removing the Upper and Lower Cases 11 10 11 3 4 2 Removing Cables Screws and Panels 11 10 11 3 4 3 Removing the Recorder Unit 11 10 11 3 4 4 Removing the Power Supply Uni...

Page 98: ...Chapter 11 Maintenance ...

Page 99: ...y a specialist CAUTION Do not use or store the FX 8322 FX 8322R in a place subject to splash of water The patient and the operator may be exposed to a risk of electric shock and other dangerous situations Do not subject the FX 8322 FX 8322R to a strong impact or vibration Be careful not to drop it Electric shock or fire may result Do not subject the liquid crystal display to a strong impact The di...

Page 100: ... for instructions on turning the equipment on and off y Regularly wipe the surface of the FX 8322 FX 8322R with a dry cleaning cloth To remove stubborn dirt moisten the cloth with ethanol or water squeeze the cloth firmly and then wipe off the dirt with it CAUTION Be careful not to press the LCD or keys too hard during cleaning A failure may result ...

Page 101: ... on a working desk with anti static mat Furthermore make sure to wear an anti static wrist strap designed to discharge static electricity from human body when operating the equipment Keep PC boards and electric parts that have been removed from the equipment in a conductive bag in order to protect them from static electricity liquid spills and shock When replacing parts make sure to only use parts...

Page 102: ...CPU BOARD PCB 7285 11 3 1 1 Removing the Battery This procedure can be ignored if no battery is installed in the equipment 1 Turn the equipment upside down remove two W sems L M3 8 and remove the battery cover 2 Remove the battery from the equipment ...

Page 103: ...5 11 3 1 2 Removing the Upper and Lower Cases If a battery is installed in the equipment it should be removed before disassembling the equipment 1 Remove seven W sems L M3 x 10 2 Open the upper case in the direction of the arrow ...

Page 104: ... the 9 cables connected to the CPU BOARD PCB 7285 2 Remove two tapping screws and four W sems L M3 x 8 and then remove the side panel rear panel and main unit plate 11 3 1 4 Removing CRT BOARD 1 Remove two W sems L M3 x 8 and three W sems L M2 6 and then remove the CRT BOARD PCB 7286 ...

Page 105: ...apter 11 Maintenance 11 7 11 3 1 5 Removing CPU BOARD 1 Remove one tapping screw one W sems L M3 x 8 and disconnect the fan cable 2 Disconnect the battery connection cable 3 Remove the CPU BOARD PCB 7285 ...

Page 106: ... Removing the OPERATION BOARD PCB 7359 1 Remove the upper case as shown in Removing the Upper and Lower Cases 2 Disconnect the 4 cables connected to the PCB 7359 3 Remove four tapping screws and then remove the OPERATION BOARD PCB 7359 ...

Page 107: ...Chapter 11 Maintenance 11 9 11 3 3 Removing the LCD Module 1 Disconnect the LCD cable connected to the LCD module 2 Remove four tapping screws and then remove the LCD module plate and LCD module ...

Page 108: ...3 4 1 Removing the Upper and Lower Cases See 11 3 1 2 Removing the Upper and Lower Cases 11 3 4 2 Removing Cables Screws and Panels See 11 3 1 3 Removing Cables Screws and Panels 11 3 4 3 Removing the Recorder Unit 1 Remove six tapping screws and then remove the recorder unit ...

Page 109: ...Chapter 11 Maintenance 11 11 11 3 4 4 Removing the Power Supply Unit 1 Remove four tapping screws and then remove the main unit shield B and power supply unit ...

Page 110: ... 12 11 3 4 5 Removing the ECG AMP BOARD with case 1 Remove four tapping screws and remove the ECG AMP BOARD with the case intact 11 3 4 6 Removing the ECG AMP Board 1 Remove two tapping screws and then remove the ECG AMP BOARD ...

Page 111: ...Chapter 11 Maintenance 11 13 11 4 Safety Block Diagram y The safety block diagram is shown on the next page It can be used as a reference when performing maintenance of the equipment ...

Page 112: ...500V 2 NOTE 1 Electrode and lead cable are insulated using parts such as photo coupler 2 All accessible parts of the operation panel and LCD are made of resin 3 The interim circuit is functionally earthed FE CPU circuit Controlling of the entire equipment 1 2 4 3 Operation panel 3 Interim circuit Secondary circuit LCD Earthed metal parts Electrode Lead cable ECG input circuit 1 Potential equalizat...

Page 113: ...sure Leakage Current 12 7 12 3 1 4 Patient Leakage Current I 12 7 12 3 1 5 Patient Leakage Current III 12 7 12 3 1 6 Patient Measurement Current 12 7 12 3 1 7 Protective Earth Resistance 12 8 12 3 2 Visual check 12 8 12 3 3 Mechanical Check 12 8 12 3 4 Maintenance Test 12 9 12 3 5 Manufacturer Maintenance 12 10 12 3 5 1 AMP Status 12 13 12 3 5 2 Recorder Test 12 14 12 3 5 3 I O Test 12 15 12 3 5 4...

Page 114: ...Chapter 12 Daily and Periodic Checks ...

Page 115: ... by service engineers with sufficient technical knowledge CAUTION Note that we may not be responsible for any accidents resulting from your negligence in failing to perform maintenance and inspection Make sure to carry out daily check before using the equipment Perform periodic checks once every 6 to 12 months Periodic checks are essential for preventing failures and accidents and maintaining safe...

Page 116: ...check sheet is No good the overall judgment is No good Respond appropriately for the items marked as No good Do not use the equipment until all the items are marked as Good y The following shows a list of daily check items Check item Check content Visual check External appearance Label Operation panel Lead cable Operation manual Mechanical check Keys Cables Electrode and electrode terminal Electri...

Page 117: ...eration manual Stored at the specified location 12 2 2 Mechanical Check y Check the equipment for mechanical failures while actually operating the equipment Item Check item Check procedure Judgment criterion Main unit Key Press the key to make sure that a clicking can be felt Clicking can be felt Lead cable Connect the lead cable to the ECG unit It can be connected properly to the main unit Access...

Page 118: ...rked as No good Do not use the equipment until all the items are marked as Good y The following shows a list of periodic check items Inspection item Description Safety inspection Earth leakage current inspection Enclosure leakage current inspection Patient leakage current I inspection Patient leakage current III inspection Patient measurement current inspection Protective earth resistance inspecti...

Page 119: ...ies the measurement conditions for medical electrical equipment WARNING If during a safety inspection a value that exceeds the allowable limit is confirmed immediately stop using the given unit then replace the defective part or make proper repairs Failure to repair the unit can lead to a serious accident Note z There are a several types of measurement states in the measurement of leakage current ...

Page 120: ... current has on human body its testing methods performance of measuring instruments limiting values etc are regulated by standards and laws Leakage current of this equipment should be measured using a measuring instrument compliant to IEC 60601 1 a standard for medical electrical equipment z The equipment would need repair if any leakage current values measured at different measurement points exce...

Page 121: ...gle fault condition 0 5mA or less 12 3 1 4 Patient Leakage Current I Check the patient leakage current I a current that flows from the patient attachment to the protective earth terminal z Acceptance standards Normal condition 0 01mA or less Single fault condition 0 05mA or less 12 3 1 5 Patient Leakage Current III Check the patient leakage current III a current that flows from the external device...

Page 122: ...e visible and that there is no peeling or soiling Main unit Keys and switches Check the state of the keys Check that they are not broken Lead cable Check the condition of the lead cable Free from scratches and breaks Accessories Operation manual Check the storage location of the operation manual Stored at the specified location 12 3 3 Mechanical Check y Check the equipment for mechanical failures ...

Page 123: ...d check the screen There are no uneven colors or missing dots on the screen Key test Execute the key test and check the behavior of the pressed key The pressed key is highlighted on the LCD screen Sound test Execute the sound test to play a sound through the speaker Various sounds are heard from the speaker Touch panel test Execute the touch panel test The touch panel responds correctly Test patte...

Page 124: ...g manufacturer maintenance items AMP status Board ID Recorder test Mac address I O test Log output Adjust touch panel Factory settings Keyboard test Installation Uninstallation Follow the following procedure to select the manufacturer maintenance items shown above 1 Touch Menu 2 Touch Setting a wrench symbol 2 1 ...

Page 125: ...Chapter 12 Daily and Periodic Checks 12 11 3 Touch Maintenance 4 Touch Manufacturer maintenance 3 4 ...

Page 126: ...ord screen 6 Various manufacturer maintenance items will be displayed On this screen hereafter referred to as manufacturer maintenance selection screen select the maintenance operations to be performed The following pages describe the various maintenance procedures 5 6 ...

Page 127: ...2 Daily and Periodic Checks 12 13 12 3 5 1 AMP Status 1 Select AMP status in the manufacturer maintenance selection screen shown below 2 The AD values that have been fetched from the ECG AMP BOARD are displayed ...

Page 128: ...2 When you select Recorder test the following screen is displayed 3 The recorder test can perform the following 5 types of recording Rectangular pattern Character Sine pattern Print Head Test Diagonal pattern To stop recording touch the selected recording type again Each recording type supports all feeding rates 5mm s 10mm s 12 5mm s 25mm s and 50mm s The paper speed can be changed while recording...

Page 129: ...e At this time set the IP address on the PC to 192 168 2 127 y Serial 1 2 Connect a return cable to the serial port 1 2 y SD card Insert a specified SD card into the SD card slot y USB memory 1 2 Insert a specified USB memory into the USB port y FLASH ROM No setting Contact us for the list of specified SD cards and USB memory 4 To start the I O test touch the I O button corresponding to the I O it...

Page 130: ...nance selection screen shown below to adjust the coordinate positions of the touch panel 2 When you select Adjust touch panel the following screen is displayed 3 Following the on screen instructions touch the cross pointers using a touch panel pen The touch panel adjustment is complete when the completion message is displayed ...

Page 131: ...n the manufacturer maintenance selection screen shown below to check the connection of an external keyboard 2 Connect the USB type keyboard to the USB port of the main unit and check that the entered text is shown in the display 12 3 5 6 Board ID 1 Board ID can be selected but it is not used ...

Page 132: ... Address 1 Select Mac address in the manufacturer maintenance selection screen shown below to enter the Mac address 2 When you select Mac address the following screen is displayed 3 Enter a specified Mac address and touch Enter The Mac address will be saved ...

Page 133: ...e operation log to an SD card select Log output in the manufacturer maintenance selection screen shown below 2 When you select Log output the following screen is displayed 3 Insert an SD card in to the SD card slot and touch Log output to save the operation log in the SD card ...

Page 134: ...ctory default values select Factory settings in the manufacturer maintenance selection screen shown below 2 When you select Factory settings the following screen is displayed 3 When you press the Start Stop button the equipment turns itself off automatically after restoring settings to their factory default values ...

Page 135: ... shown below 2 When you select Installation the following screen is displayed 3 Insert the SD card containing the optional software to be installed into the SD card slot and touch Installation to start the installation of the optional software 4 When the installation is completed a message will be displayed and the equipment will turn itself off automatically ...

Page 136: ...nstallation into the SD card slot and touch Uninstallation to start the uninstallation of the optional software To prevent copying the optional software it cannot be uninstalled unless the SD card used for the installation is inserted in the SD card slot 4 When the uninstallation is completed a message will be displayed and the equipment will turn itself off automatically When replacing the CPU bo...

Page 137: ...cessories 4 Operation manual Check that the manual is stored in the specified storage place Good NG 1 Key Check that the key operation is smooth Good NG Main unit 2 Recorder Check that the operation is smooth and that abnormal sound is not heard Good NG 1 Power cable patient cable Check that the operation is smooth without rattling Good NG Mechanical check Accessories 2 Limb electrode chest electr...

Page 138: ...es Good NG Mechanical check Accessor ies 2 Limb electrode chest electrode Check that no problem is found with the connection Good NG 1 Status Are all status normal Good NG 2 Recorder printing test Check that the printing paper is fed straight Check that both sides of the printing paper are not creased Check that printing is made uniformly Check that there is no dead pixel Check that feeding speed ...

Page 139: ...1mA or less mA Good NG Single failed state AC 0 05mA or less mA Good NG Normal state DC 0 01mA or less mA Good NG Patient leakage current I Single failed state DC 0 05mA or less mA Good NG Patient leakage current III Single failed state 0 05mA or less mA Good NG Normal state AC 0 01mA or less mA Good NG Single failed state AC 0 05mA or less mA Good NG Normal state DC 0 01mA or less mA Good NG Safe...

Page 140: ......

Page 141: ...E FUKUDA DENSHI UK ADDRESS 13 WESTMINSTER COURT HIPLEY STREET OLD WOKING SURREY GU22 9LG U K Copyright 2010 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 Note Only qualified physicians or persons under instructions from physicians are allowed to use the FX 8322 FX 8322R Printed in Japan ...

Page 142: ...39 4 Hongo 3 chome Bunkyo ku Tokyo Japan Phone 81 3 3815 2121 Fax 81 3 3814 1222 4R0100320 201003 ...

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Fukuda Denshi CardiMax FX-8322, Service Manual

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