Panasonic DMR-EX75EG Service Manual
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Panasonic DMR-EX75EG Service Manual

Panasonic DMR-EX75EG Service Manual

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DMR-EX75EG
DMR-EX75EC
DMR-EX75EB
DMR-EX85EG
DMR-EX85EB
Vol.1
Colour
(S).......................Silver Type
© 2006 Matsushita Electric Industrial CO., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO.MAD0607020CE

DVD Recorder

Unauthorized
copying
and

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Summary of Contents for Panasonic DMR-EX75EG

  • Page 1: Dvd Recorder

    ORDER NO.MAD0607020CE DVD Recorder DMR-EX75EG DMR-EX75EC DMR-EX75EB DMR-EX85EG DMR-EX85EB Vol.1 Colour (S).......Silver Type © 2006 Matsushita Electric Industrial CO., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB CONTENTS Page Page 1 SAFETY PRECAUTIONS 11.3. STANDARD INSPECTION SPECIFICATIONS AFTER 1.1. GENERAL GUIDELINES MAKING REPAIRS 2 WARNING 11.4. ABBREVIATIONS 2.1. PREVENTION OF ELECTROSTATIC DISCHARGE 12 BLOCK DIAGRAM (ESD) TO ELECTROSTATIC SENSITIVE (ES) DEVICES 4 12.1.

  • Page 3: Safety Precautions

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 1 SAFETY PRECAUTIONS 1.1. GENERAL GUIDELINES 1.1.2. LEAKAGE CURRENT HOT CHECK 1. Plug the AC cord directly into the AC outlet. Do not use an 1. Be careful during removing metal parts, sharp edges.

  • Page 4: Warning

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 2 WARNING 2.1. PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO ELECTROSTATIC SENSITIVE (ES) DEVICES Some semiconductor (solid state) devices can be damaged protected)" can generate electrical charge sufficient easily by static electricity. Such components commonly are to damage ES devices.

  • Page 5: Precaution Of Laser Diode

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 2.2. PRECAUTION OF LASER DIODE CAUTION: ACHTUNG: This product utilizes a laser diode with the unit turned “on”, Dieses Produkt enthält eine Laserdiode. invisible laser radiation is emitted from the pickup lens.

  • Page 6: Service Caution Based On Legal Restrictions

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 2.3. SERVICE CAUTION BASED ON LEGAL RESTRICTIONS General description about Lead Free Solder (PbF) · The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation.

  • Page 7: Service Navigation

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 3 SERVICE NAVIGATION 3.1. SERVICE INFORMATION This service manual contains technical which will alow service personnel’s to understand and service this model. Please place orders using the parts list and not the drawing reference numbers.

  • Page 8: Specification

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 4 SPECIFICATION Power supply: AC220-240 V, 50/60 Hz SD Card Slot: JPEG (Still Picture DCF Standard) Power consumption: 33 W ±1,3 W TIFF (uncompressed) Power save mode 2 W ±0,4 W MPEG2 (rec.

  • Page 9: New Feature

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 5 NEW FEATURE 5.1. ABOUT DivX (EXCEPT EB) 5.1.1. GENERAL When playing this content · Number of remaining plays is reduced by one if DivX is a new video compressing format that is applied −...
  • Page 10 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB CASE 1 WHEN DivX IS USED NEWLY Ovtainment/Playback of additional file after Activation (code/ID is an example) Registration Code display (code is an example) Case 1 Activation: File obtaining (code/ID are examples) CASE 2 WHEN EEPROM OR P.C.B.
  • Page 11 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Activation: File Playback Activation: File obtaining (code/ID are example) Activation: File Playback Registration Code display after Activation (example) Obtainment/Playback od additional file after Activation Registration Code display after Activation (example) (code/ID is an example)
  • Page 12 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Obtainment/Playback od additional file after Activation Activation: File Playback (code/ID is an example) FILE KIND (There are two kinf of Activation files as follows too.) · Rental: There is a playback limitation ·...
  • Page 13 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 5.1.3. ABOUT DivX DRM Divx file includes file to which DRM(Digital Right Management) is applied and file not applied. This item is a content that relates only in treating file to which DRM is applied.

  • Page 14: Hdavi Control (Hdmi Link)

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 5.2. HDAVI CONTROL (HDMI LINK) Linked operations by HDAVI Control (HDMI Link) 5.2.1. WHAT IS HDMI HDMI is abbreviation of [High-Definition Multimedia Interface], and is digital interface standard for next generation TV corresponding to follows.
  • Page 15 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 5.2.3. OUTLINE OF EQUIPMENTS LINKED FUNCTIONS 1. Automatic Input switch At starting of playback / GUI (Graphical User Interface) display by DIGA, it turn on power of VIErA, and it displays picture of DIGA onto screen of VIErA.

  • Page 16: Location Of Controls And Components

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 6 LOCATION OF CONTROLS AND COMPONENTS Remote Control Stand-by/on switch Turn the television set on and off. Press to switch the unit from on to stand-by mode Select the AV input on the television set.

  • Page 17: Operating Instructions

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 7 OPERATING INSTRUCTIONS 7.1. TAKING OUT THE DISC FROM DVD-DRIVE UNIT WHEN THE DISC CANNOT BE EJECTED BY OPEN/CLOSE BUTTON 7.1.1. FORCIBLE DISC EJECT 7.1.1.1. WHEN THE POWER CAN BE TURNED OFF 1.

  • Page 18: Service Mode

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 8 SERVICE MODE 8.1. SELF-DIAGNOSIS AND SPECIAL MODE SETTING 8.1.1. SELF-DIAGNOSIS FUNCTIONS Self-Diagnosis Function provides information for errors to service personnel by “Self-Diagnosis Display” when any error has occurred. U**, H** and F** are stored in memory and held.
  • Page 19 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Error Code Diagnosis contents Description Monitor Display Automatic FL display No error information Initial setting for error code in memory No display No display (Error code Initialization is possible with error code initialization and main unit initialization.)
  • Page 20 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Error Code Diagnosis contents Description Monitor Display Automatic FL display HDD ERR [HDD ERR] is displayed 1. When normal start up was failed No display when start up of HDD was 2.
  • Page 21 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Item FL display Key operation Mode name Description Front Key Aging Perform sequence of modes as * Aging Display following the then mode. When the power is ON, press Description shown below continually.
  • Page 22 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Item FL display Key operation Mode name Description Front Key ATP re-execution Re-execute ATP. Display at ATP executing. When the power is on (E-E mode), press [CH UP] and [CH DOWN] simultaneously for 5 seconds.
  • Page 23 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Item FL display Key operation Mode name Description (Remote controller key) Magenta Picture Output Magenta picture is output with Component *Initial mode is “Interlace”. Press [1] [2] in service mode. Output from AV Decoder.
  • Page 24 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Item FL display Key operation Mode name Description (Remote controller key) HDD READ inspection Perform a complete read inspection of the When the HDD is OK Press [3] [1] in the service mode.
  • Page 25 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Item FL display Key operation Mode name Description (Remote controller key) RAM Drive Last Error RAM Drive error code display. 1. Error Number is displayed for 5 Press [4] [2] in service mode.
  • Page 26 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Item FL display Key operation Mode name Description (Remote controller key) Front connection Press all front keys and check the Press [5] [4] in service mode. inspection connection between Main P.C.B. and Front key Switches.
  • Page 27 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Item FL display Key operation Mode name Description (Remote controller key) SD card WRITE check Check SD card WRITE function with SD When the WRITE check is OK. Insert a SC card to SD card slot, slot.

  • Page 28: Service Fixture And Tools

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 9 SERVICE FIXTURE AND TOOLS Part Number Description Compatibility RFKZ0260 Extension Cable (Main P.C.B. - RAM/Digital P.C.B. / 88 Pin) Same as EH50 Series RFKZ0216 Extension Cable (Main P.C.B. - Power P.C.B. / 23 Pin)

  • Page 29: Assembling And Disassembling

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 10 ASSEMBLING AND DISASSEMBLING Caution: Oringal screws shoul be used. 10.1. DISASSEMBLY FLOW CHART This chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing.

  • Page 30: Top Case

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 10.3. TOP CASE 10.5. SD CARD P.C.B. 1. Remove the 2 screws (A) and 3 screws (B). 1. Release FFC 2. Slide Top Case rearward and open the both ends at rear 2.

  • Page 31: Ram/Digital P.c.b. Module

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 10.6. RAM/DIGITAL P.C.B. MODULE Caution: Pairing of RAM Drive and Digital P.C.B. as “RAM / Digital P.C.B. Module” have to be replaced together. If the pairing is changed, RAM Drive unit has to be re-aligned. Because the alignment data for RAM Drive Unit is stored in Digital P.C.B.

  • Page 32: Dv In P.c.b

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 10.8. HARD DISC DRIVE Caution: Writing the main firmware to the unit is necessary after replacing the HDD. Prepare the latest firmware updating disc. * The main firmware is recorded in the HDD, but the replacement HDD has no data (and needs to be formatted).
  • Page 33 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 1. Remove ATAPI Connector and HDD Power Connector. Handling of HDD 2. Remove 4 Screws (A) to remove HDD Angle with HDD. The following precautions should be taken when handling HDD.

  • Page 34: Power P.c.b

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 10.9. POWER P.C.B. 10.10. REAR PANEL 1. Remove the Screw (AC Inlet). 1. Disconnect Fan Connector. 2. Remove 3 Screws and disconnect the 2 Connectors. 3. Lift up Power P.C.B. a little upwards and remove the P.C.B.

  • Page 35: Back End P.c.b

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 10.10.1. FAN MOTOR 10.12. MAIN P.C.B. AND FRONT P.C.B. 1. Disconnect Fan Connector. 2. Remove the 2 Screws. 1. Remove 2 Screws from Main P.C.B. . 3. Push and unlock 2 locking Tabs to remove Fan Motor.

  • Page 36: Tuner P.c.b. And Tuner

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 10.13. TUNER P.C.B. 10.14. HDMI P.C.B. AND TUNER 1. Disconnect FFC Connector. 2. Pull out the HDMI P.C.B. in the direction of the arrow. 1. Pull out the Tuner P.C.B. in the direction of the arrow.

  • Page 37: Measurements And Adjustments

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 11 MEASUREMENTS AND ADJUSTMENTS 11.1. SERVICE POSITIONS Note: For description of the disassembling procedure, see the section ASSEMBLING AND DISASSEMBLING (DISASSEMBLY FLOW CHART). 11.1.1. CHECKING AND REPAIRING OF POWER P.C.B. 1. Top Case ·...
  • Page 38 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 11.1.2. CHECKING AND REPAIRING OF MAIN P.C.B. 1. Top Case · Remove 2 Screws (A) on side and 3 rear Screws (B) · Remove Top Case 2. Front Panel · Unlock 2 Locking Tabs on the side and 3 Locking Tabs on bottom ·...
  • Page 39 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 11.1.3. CHECKING AND REPLACING OF DVD-RAM DRIVE 1. Top Case · Remove 2 Screws (A) on side and 3 rear Screws (B) · Remove Top Case 2. Front Panel · Unlock 2 Locking Tabs on side and 3 Locking Tabs on bottom ·...
  • Page 40 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 11.1.4. CHECKING AND REPLACING OF HARD DISC DRIVE 1. Top Case · Remove 2 Screws (A) on side · Remove 3 rear Screws (B) on rear · Remove Top Case 2. Hard Disc Drive ·...

  • Page 41: Caution For Replacing Parts

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 11.2. CAUTION FOR REPLACING PARTS 11.2.1. ITEMS THAT SHOULD BE DONE AFTER REPLACING PARTS * Note 1: (Resetting Method) Resetting object Condition of power Short Terminal IC7501 (Timer IC) POWER ON...
  • Page 42 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB * Note 3: Please prepare latest firmware updating disc. *Main Firm is being recorded in HDD, but new HDD has no data. CAUTION: · Writing of Main Firm needs 3, 4 minutes.

  • Page 43: Standard Inspection Specifications After Making Repairs

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 11.3. STANDARD INSPECTION SPECIFICATIONS AFTER MAKING REPAIRS After making repairs, we recommend performing the following inspection, to check normal operation. Procedure Item to Check Turn on the power, and confirm items pointed out.

  • Page 44: Abbreviations

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 11.4. ABBREVIATIONS INITIAL/LOGO ABBREVIATIONS IECOUT IEC958 FORMAT DATA OUTPUT IPFRAG INTERPOLATION FLAG INITIAL/LOGO ABBREVIATIONS IREF I (CURRENT) REFERENCE A0~UP ADDRESS ISEL INTERFACE MODE SELECT ACLK AUDIO CLOCK LDON LASER DIODE CONTROL...
  • Page 45 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB INITIAL/LOGO ABBREVIATIONS TRACKING ERROR TIBAL BALANCE CONTROL BALANCE OUTPUT 1 BALANCE INPUT BALANCE INPUT BALANCE OUTPUT 2 TPSN OP AMP INPUT TPSO OP AMP OUTPUT TPSP OP AMP INVERTED INPUT TRCRS...
  • Page 46 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB...

  • Page 47: Block Diagram

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 12 BLOCK DIAGRAM 12.1. POWER BLOCK DIAGRAM POWER P.C.B. MAIN P.C.B. Q1700 T1150 (REG.X SW+3.8V) POWER SWITCHING TRANSFORMER VA1110,L1120 D1140,C1143 D1270 X SW+3.8V P1102 P1501 X SW+3.8V 16,17,19 AC INLET 250V T2AL...
  • Page 48 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB MAIN P.C.B. DIGITAL P.C.B. ANA+3.3V P7402 P59001 IC50001/IC53001/IC53003/IC57001(+3.3V) D+3.8V P7402 P59001 X SW+3.8V 60,62 IC59504 IC59506 ANA+5V P7402 P59001 (REG.D+3.3V) (REG.D+3.3V) IC50001/IC53003/IC53202/ IC4901- IC1506 IC53203(+5V) (REG.DR+5V) IC50001/IC55004/I IC50001/IC50002/ IP50002 VOUT VOUT C55006/IC57001(+3.3V)

  • Page 49: Analog Video Block Diagram

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 12.2. ANALOG VIDEO BLOCK DIAGRAM :REC SIGNAL :PB SIGNAL IC3001 (VIDEO PROCESSOR) MAIN P.C.B. JK3903 (SW1) (SW2) 6MHz COMP P59001 P7402 C OUT DM 6MHz BIAS 12MHz (SW3) P59001 P7402 Y OUT DM...

  • Page 50: Analog Audio Block Diagram

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 12.3. ANALOG AUDIO BLOCK DIAGRAM :REC SIGNAL :PB SIGNAL MAIN P.C.B. JK3001 REAR JACK D4005 Q4006 MIX L OUT2 MUTE FROM LINE OUT XTMUTE TIMER Q4007 IC7501- QR4002 SECTION MUTE MIX R OUT2...

  • Page 51: Timer Block Diagram

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 12.4. TIMER BLOCK DIAGRAM IC7501 T7501 IR7501 (TIMER) DISPLAY HEA TER POWER SWITCHING MAIN P .C.B. TRANSFORMER REMOTE CONTROL RECEIVER CTL. D7506 IP7501 P SAVE HEA TER+ +38V UNREG.+38V PP7401 PS7801...

  • Page 52: Hdmi Block Diagram

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 12.5. HDMI BLOCK DIAGRAM IC56101 IC56103 IC56102 (HDMI TRANSMITTER) P55002 FP56101 P55002 FP56101 P55002 FP56101 P55002 FP56101 Video Convertor Converter P55002 FP56101 Color Space P55002 FP56101 P55002 FP56101 HDMI CONNECTOR TX2P...

  • Page 53: Schematic Diagram

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 13 SCHEMATIC DIAGRAM 13.1. INTERCONNECTION DIAGRAM P1101 IC4901 P56102 JK3001 JK3901 JK3903 PP7401 P1103 BOOSTER5V FANLOCK RFC_AUDIO[EB] FAN_GND RFC_AMUTE[EB] FANLOCK P1501 PS5V CPSVOUT[EB] FANOUT FAN_GND TUREG5V FANLOCK P_SAVE_L TUNER IICCLK D3R8V...

  • Page 54: Power

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 13.2. POWER LB1122 C1125 ZA1103 ZA1104 D1140 L1120 F1101 C1121 K1122 T1150 250V T2AL P1101 VA1110 K1123 D1270 TO P1501 MAIN P.C.B. ZA1270 MAIN NET (1/4) SECTION ZA1271 L1400 P1102 D1141...

  • Page 55: Main Net

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 13.3. MAIN NET ZJ7404 IC7507 R7401 ON(H) QR7403 QR7401 QR7402 BOOSTER 5V C7412 C7413 PP7401 R7406 C7416 ANT_POWER ANT_SHORT BOOSTER_5V C1538 C1540 UNREG_38V X_SW_5R8V TU_P_ON_H C7450 C7407 X_SW_3R3V SIF_OUT X_SW_3R8V AUDIO_OUT...

  • Page 56: Main Av Io

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 13.4. MAIN AV IO C4033 C4063 R4046 R4055 R4090 R4076 G_MIXLOUT_A R4077 Q4008 C3957 C4060 R3930 R4078 R4088 R3991 C3958 R3988 Q4006 R3989 C3959 D4005 R3987 Q4007 Q4009 C3960 C3951 R4079...

  • Page 57: Main Timer

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 13.5. MAIN TIMER ZB7501 DP7501 TL7514 TL7513 D7504 D7510 IP7501 L7501 LB7501 BOOSTER+5V C7565 C7507 T7501 R7501 Q7502 R7505 LB7515 D7505 LB7519 Q7504 C7501 Q7510 LB7516 LB7518 Q7501 UNREG_38V R7504 R7503...

  • Page 58: Main Nicam

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 13.6. MAIN NICAM QPSK L7302 C7315 * (EG/EC) C7309 * (EG/EC) R7302 C7310 * (EG/EC) C7307 L7301 * (EG/EC) R7307 C7302 R7304 C7311 K7306 C7316 R7301 X7301 * (EG/EC) K7307 C7304...

  • Page 59: Tuner (Repd0032A)

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 13.7. TUNER (REPD0032A) TP7801 TP7802 ON/OFF IC7800 VOUT C7800 R7800 R7802 TP7809 D7801 LB7803 L7800 R7801 C7813 R7809 D7802 C7820 C7821 C7822 TP7812 Q7800 LB7800 R7803 TP7808 Cont Q7801 C7804 C7801...

  • Page 60: Tuner (Repd0032B)

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 13.8. TUNER (REPD0032B) TP7801 TP7802 R7800 LB7800 TP7808 Cont C7804 C7801 C7807 TP7807 TU7800 LB7801 C7818 IC7801 ACTIVE_ANT. C7802 C7808 ANT_POWER ANT_POWER ANT_SHORT TP7806 BOOSTER Vout BOOSTER_5V R7805 R7806 D7800 C7817...

  • Page 61: Sd Card / Front / Dv In

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 13.9. SD CARD / FRONT / DV IN TO PS57001 POWER DIGITAL P.C.B. (BE(2/4) SECTION) TO DV JACK S7002 P37001 P37002 TPA+ TPA+ TO JW7501 TPA- TPA- MAIN P.C.B. TPB+ TIMER(4/4) SECTION...

  • Page 62: Hdmi

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 13.10. HDMI IC56101 FL56101 LB56102 C56101 R56139 R56151 R656_0 G_R656_CK_C R56155 R56152 LB56103 FL56103 R656_6 R656_1 116 115 111 110 106 105 102 101 96 95 92 91 R56156 R56153 R656_5...

  • Page 63: Printed Circuit Board

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 14 PRINTED CIRCUIT BOARD 14.1. POWER P.C.B. K1129 P1101 ZA1107 R1208 C1200 Q1200 R1210 R1200 R1201 IC1200 D1156 R1152 R1703 R1702 R1205 R1157 LB1700 C1705 R1151 R1206 R1207 LB1124 D1152 R1155...

  • Page 64: Main P.c.b

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 14.2. MAIN P.C.B. ADRESS INFORMATION DP7501 PP7401 C7570 C7578 L7501 C7571 C7584 C7573 C7572 EG/EC ZJ3001 W346 W345 L7302 ZJ7402 C7565 FC7001 Q7510 W341 ZJ7404 K7505 PP7401 P1503 W340 W336 IC4901...
  • Page 65 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB ADRESS INFORMATION K7504 DP7501 P1501 QR4002 C7570 C7565 C7573 C7571 L7501 C7578 C7572 C7584 P1503 QR7401 QR7508 K7301 L7302 ZJ7402 R7618 ZJ3001 ZJ7404 FC7001 P7402 QR7402 P1503 R7612 K7505 W550 C7412...

  • Page 66: Tuner P.c.b. (Repd0032B)

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 14.3. TUNER P.C.B. (REPD0032B) COMPONENT SIDE ADDRESS INFORMATION CN7800 CN7800 TU7800 J200 J201 J202 C7806 C7805 D7800 J103 J101 J300 TU7800 SOLDER SIDE ADDRESS INFORMATION CN7800 IC7801 CN7800 TU7800 JA10 IC7801...

  • Page 67: Tuner P.c.b. (Repd0032A) / Dv In P.c.b. (Vep73135A)

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 14.4. TUNER P.C.B. (REPD0032A) / DV IN P.C.B. (VEP73135A) COMPONENT SIDE ADDRESS INFORMATION CN7800 CN7800 TU7800 J200 J201 J202 D7801 D7802 C7806 C7805 D7800 J103 J101 J300 TU7800 SOLDER SIDE SOLDER SIDE...

  • Page 68: Sd Card P.c.b. / Front P.c.b

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 14.5. SD CARD P.C.B. / FRONT P.C.B. FRONT JACK COMPONENT SIDE RX6802 R6807 R6802 CKF19 LB6802 CKF16 CKF7 RX6801 CKF14 CKE12 C6801 CKF15 POWER CKF12 CKF13 S7002 C6802 TL6801 CKF11 TL6802 CKF17...

  • Page 69: Hdmi P.c.b

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 14.6. HDMI P.C.B. P56102 CKA20 R56137 R56138 VA56111 LB56112 CKC2 CKC1 R56128 R56129 VA56113 VA56110 VA56106 VA56102 VA56112 VA56104 VA56108 VA56101 FL56110 R56131 C56128 LB56116 R56125 R56126 R56160 C56125 CKC4 CKC5...
  • Page 70 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB...

  • Page 71: Appendix For Schematic Diagram

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 15 APPENDIX FOR SCHEMATIC DIAGRAM 15.1. VOLTAGE AND WAVEFORM CHART Note: Circuit voltage and waveform described, shall be regarded as reference information when probing defect point, because it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition and product itself.
  • Page 72 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 15.1.1.3. MAIN P.C.B. - PART 2 IC4009 IC4011 Ref No. MODE 11.6 PLAY 11.6 STOP 11.6 IC4012 IC4901 Ref No. MODE 11.6 PLAY 11.6 STOP 11.6 IC7301 Ref No. MODE PLAY STOP Ref No.
  • Page 73 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 15.1.1.4. MAIN P.C.B. - PART 3 Q1501 Q1509 Ref No. MODE 12.4 12.4 12.4 12.3 12.3 12.3 12.3 PLAY 12.4 12.4 12.4 12.3 12.3 12.3 12.3 STOP 12.4 12.4 12.4 12.3 12.3...
  • Page 74 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 15.1.1.6. P59001 CONNECTOR P59001 Ref No. MODE 12.3 12.3 PLAY 12.3 12.3 STOP 12.3 12.3 Ref No. P59001 MODE PLAY STOP P59001 Ref No. MODE PLAY STOP Ref No. P59001 MODE 12.3...
  • Page 75 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 15.1.2. WAVEFORM CHART T1150-12 STOP T1150-4,5 STOP IC1150-1 STOP T1150-8 STOP 10Vp-p (2m sec.div) 30Vp-p (5 sec.div) 10.0Vp-p (5 sec.div) 30Vp-p (5 sec.div) IC1150-9 STOP P7402-29,31 REC/PLAY P7402-51 REC/PLAY P7402-55 REC/PLAY 580Vp-p (5 sec.div)

  • Page 76: Exploded Views

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 16 EXPLODED VIEWS 16.1. CASING PARTS AND & MECHANISM SECTION...

  • Page 77: Packing & Accessories Section

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 16.2. PACKING & ACCESSORIES SECTION...

  • Page 78: Replacement Parts List

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB 17 REPLACEMENT PARTS LIST Notes: Ref. Part No. Part Name & Remarks Description *Important safety notice: RFKNEX85EG RAM DIGITAL PCB MODULE Components identified mark have special RFKNEX85EB RAM DIGITAL PCB characteristics important for safety.

  • Page 79: Packing & Accessories Parts

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Ref. Part No. Part Name & Remarks 17.2. PACKING & ACCESSORIES Description C1518 F2A0J681A550 ALU ELEC CAPACITOR 1,2,3,4,5 PARTS C1519 ECJ1VB1A105K CHIP CAPACITOR 1,2,3,4,5 C1520 ECJ3FB1C105K CHIP CAPACITOR 1,2,3,4,5 Ref. Part No.
  • Page 80 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C3039 ECJ1VC1H100D CHIP CAPACITOR 1,2,3,4,5 C56101 ECJ0EB1A104K CHIP CAPACITOR 1,2,3,4,5 C3040 ECJ1VC1H100D CHIP CAPACITOR 1,2,3,4,5...
  • Page 81 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C7404 ECJ1VB1A105K CHIP CAPACITOR 1,2,3,4,5 C7813 ECEA1CKA220B ALU ELEC CAPACITOR 1,2,5 C7406 ECJ1VB1A105K CHIP CAPACITOR...
  • Page 82 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C9809 ECJ1VB1C105K CHIP CAPACITOR 1,2,3,4,5 D7800 MAZ4300NMF DIODE 1,2,3,4,5 C9810 ECJ1VB1C105K CHIP CAPACITOR 1,2,3,4,5 D7801 MA2C723001VT...
  • Page 83 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description JK3901 K1FB242B0005 21 PIN SCART 1,2,3,4,5 LB3911 J0JGC0000020 BEAD CORE 1,2,3,4,5 JK3903 K2HA306B0085 JACKS 1,2,3,4,5...
  • Page 84 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description Q4009 2SD1819A0L TRANSISTOR 1,2,3,4,5 R1701 D1BFR0240001 RESISTOR ARRAY 1,2,3,4,5 Q4060 2SD1819A0L TRANSISTOR 1,2,3,4,5 R1702 D0GB513JA057...
  • Page 85 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R4013 D0GB823JA057 CHIP RESISTOR 1,2,3,4,5 R56150 ERJ2GEJ8R2X RESISTOR 1,2,3,4,5 R4046 D0HB912ZA002 CHIP RESISTOR 1,2,3,4,5 R56151 ERJ2GEJ820X...
  • Page 86 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R7523 D0GB473JA057 CHIP RESISTOR 1,2,3,4,5 R7643 ERJ3GEYJ163V CHIP RESISTOR 1,2,3,4,5 R7524 D0GB101JA057 CHIP RESISTOR 1,2,3,4,5...
  • Page 87 DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R9242 D0GB560JA057 CHIP RESISTOR 1,2,3,4,5 S7507 EVQ11A04M TOUCH SWITCH 1,2,3,4,5 R9243 D0GB560JA057 CHIP RESISTOR 1,2,3,4,5...

  • Page 88: Service Fixture And Tools

    DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB Ref. Part No. Part Name & Remarks Description W549 D0YBR0000020 CHIP RESISTOR 1,2,3,4,5 W550 D0YBR0000020 CHIP RESISTOR 1,2,3,4,5 X7301 H0H400400006 CRYSTAL OSCILLATOR X7301 H0D245500016 CRYSTAL OSCILLATOR 1,3,4 X7501 H0D100500018 OSCILLATOR 1,2,3,4,5...

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