1. Manuals
  2. Brands
  3. Panasonic Manuals
  4. DVD Recorder
  5. DMR-EH54DEG
  6. Service manual

Panasonic DMR-EH54DEG Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
DMR-EH54DEG
Vol.1
Colour
(S).......................Silver Type
© 2005 Matsushita Electric Industrial CO., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO.MAD0510011CE
DVD Recorder
Unauthorized
copying
and

Advertisement

Table of Contents
loading

Related Manuals for Panasonic DMR-EH54DEG

Summary of Contents for Panasonic DMR-EH54DEG

  • Page 1 ORDER NO.MAD0510011CE DVD Recorder DMR-EH54DEG Vol.1 Colour (S).......Silver Type © 2005 Matsushita Electric Industrial CO., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.
  • Page 2 DMR-EH54DEG SPECIFICATIONS Power supply: AC220-240 V, 50/60 Hz Picture input: SD Card Slot (Still Picture) JPEG (DCF Standard) / TIFF (uncompressed) Compatible Cards SD Card / Multimedia Card Power consumption: 34 W miniSD Card with adapter Power Save mode: approx. 3W...

  • Page 3: Table Of Contents

    DMR-EH54DEG CONTENTS Page Page 1 INTRODUCTION 14.1. AFTER REPLACING THE DVD-RAM DRIVE WITH NEW 2 SAFETY PRECAUTIONS 2.1. GENERAL GUIDELINES 14.2. WHEN THE UNIT DOES NOT OPERATE NORMALLY 3 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO AFTER REPLACING THE TIMER MICROPROCESSOR ELECTROSTATIC SENSITIVE (ES) DEVICES OR MAIN P.C.B.

  • Page 4: Introduction

    DMR-EH54DEG 1 INTRODUCTION 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. If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original service manual.

  • Page 5: Prevention Of Electrostatic Discharge (Esd) To

    DMR-EH54DEG 3 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. called Electrostatic Sensitive (ES) Devices. Examples of typical 5.

  • Page 6: Precaution Of Laser Diode

    DMR-EH54DEG 4 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. Im eingeschalteten Zustand wird unsichtbare Laserstrahlung von der Wave length: 662 nm (DVDs)/795 nm (CDs) Lasereinheit ausgestrahlt.

  • Page 7: General Description

    DMR-EH54DEG 6 GENERAL DESCRIPTION DVD / HDD Controls DVD/VHS 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. or vice versa. In stand-by mode, the unit is still consuming VOLUME a small amount of power.

  • Page 8: New Features

    DMR-EH54DEG 7 NEW FEATURES 7.1. QUICK START FUNCTION (REC) 1. General A few seconds after tuning on the unit, you can start recording to DVD-RAM, HDD. You can switch the operation of this function (ON/OFF) on the menu screen. 2. Quick start (REC) principle In the power-off at Quick start, only power supplies for video IC, tuner and storage media are cut off.

  • Page 9: Taking Out The Disc From Ram-Drive Unit When The

    DMR-EH54DEG 8 TAKING OUT THE DISC FROM RAM-DRIVE UNIT WHEN THE DISC CANNOT BE EJECTED BY OPEN/CLOSE BUTTON 8.1. FORCIBLE DISC EJECT 8.1.1. WHEN THE POWER CAN BE TURNED OFF 1. Turn off the power and press [STOP] [CH UP] keys on the front panel simultaneously for 5 seconds.

  • Page 10: Dvd) Service Explorer

    (2) Time when the error has occurred is displayed for 5 seconds. (3) Last Drive Error (1/2) is displayed for 5 seconds. When above error codes are displayed, confirm operation with Panasonic RAM or DVD-R disc. * If the operation is OK, judge the error is due to media.
  • Page 11 DMR-EH54DEG Example of Disc Maker´s ID: DVD-R Disc FL Display (Disc Maker´s ID) Disc Maker Country Panasonic Japan Pioneer Japan Mitsubishi Chemical Corporation Japan Japan Maxell Japan MITUI CHEMICALS Japan Victor JVC Japan TAIYOYUDEN Taiyo yuden Japan Giga Storage Taiwan...
  • Page 12 DMR-EH54DEG Error Occurring Disc State FL Displays Description (Hexadecimal) Disc distinction state Cartridge disc state Cartridge disc state Disc size With cartridge Has not been opened yet. 12 cm With cartridge Has not been opened yet. 8 cm With cartridge Has been opened.

  • Page 13: Self-Diagnosis And Special Mode Setting

    DMR-EH54DEG 10 SELF-DIAGNOSIS AND SPECIAL MODE SETTING 10.1. 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. You can check latest error code by transmitting [0] [1] of Remote Controller in Service Mode.

  • Page 14: Special Modes Setting

    DMR-EH54DEG Error Code Diagnosis contents Description Monitor Display Automatic FL display HARD ERR Drive error The drive detected a hard error. “DVD drive error.” Display for 5 seconds. SELF CHECK Restoration operation Since the power cord fell out during a...
  • Page 15 DMR-EH54DEG Item FL display Key operation Mode name Description Front Key NTSC/PAL system select To switch PAL/NTSC alternately. The display before execution While the power is on (E-E mode), leaves. press [STOP] and [OPEN/CLOSE] simultaneously for 5 seconds. Forced power-off When the power button is not effective while Display in P-off mode.
  • Page 16 DMR-EH54DEG Item FL display Key operation Mode name Description Front Key Demonstration Ejection of the disc is prohibited. *When lock the tray. When the power is on, press lock/unlock The lock setting is effective until unlocking [STOP] and [POWER] keys the tray and not released by “Main unit...

  • Page 17: Service Modes

    DMR-EH54DEG 10.3. SERVICE MODES Service mode setting: While the power is off, press REC, CH UP and OPEN / CLOSE simultaneously for five seconds. Item FL display Key operation Mode name Description (Remote controller key) Release Items Item of Service Mode executing is cancelled.
  • Page 18 DMR-EH54DEG Item FL display Key operation Mode name Description (Remote controller key) I/P Switch Switch Interlace and Progressive in EE Initial mode is Interlace Press [1] [4] in I/P Switch mode. mode. *I/P are switched alternately. *Initial setting is “Interlace”.
  • Page 19 DMR-EH54DEG 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. *For details about the drive error code, refer seconds.
  • Page 20 DMR-EH54DEG 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. (1) Each time a key is pressed, segment turned on increases one by one.
  • Page 21 DMR-EH54DEG Item FL display Key operation Mode name Description (Remote controller key) SD card WRITE check Check SD card WRITE function with SD card When the WRITE check is OK. Insert a SD card to SD card slot, slot. and press [7] [4] in service mode.
  • Page 22 DMR-EH54DEG Item FL display Key operation Mode name Description (Remote controller key) Finishing service mode Release Service Mode. Display in STOP (E-E) mode. Press power button on the front panel or Remote controller in service mode.

  • Page 23: Assembling And Disassembling

    DMR-EH54DEG 11 ASSEMBLING AND DISASSEMBLING Caution: Oringal screws shoul be used. 11.1. DISASSEMBLY FLOW CHART This chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing. To assemble the unit, reverse the steps shown in the chart below.

  • Page 24: Top Case

    DMR-EH54DEG 11.3. TOP CASE 11.5. FRONT P.C.B. 1. Remove the 2 screws (A) and 3 screws (B). 1. Remove the Screw (A) to remove Front P.C.B. . 2. Slide Top Case rearward and open the both ends at rear side of the Top Case a little and lift the Top Case in the direction of the arrows.

  • Page 25: Digital P.c.b

    DMR-EH54DEG 11.7. DIGITAL P.C.B. 11.8. HARD DISC DRIVE Note: Note: When replacing the Digital P.C.B., “UNFORMAT” indication When replacing with Digital P.C.B., “UNFORMAT” indication is displayed and HDD must be formatted. is displayed and HDD (HARD DISC DRIVE) must be formatted.

  • Page 26: Led P.c.b

    DMR-EH54DEG 4. Remove 4 screws to remove HDD. g. Do not place HDD on its wrapping bag after removal. (Prevention of static hazard.) h. Use a screwdriver with low impact and anti-static features. Note: When replacing HDD, please make the rear jumper slave or cable select configuration.

  • Page 27: Dvd-Ram Drive

    DMR-EH54DEG 11.10. DVD-RAM DRIVE 11.11. POWER P.C.B. 1. Remove 3 Screws (A) to remove DVD-RAM Drive. 1. Remove Screw (A). 2. Lift up DVD-RAM Drive slightly and remove FFC and remove Cable between DVD-RAM Drive and Main P.C.B. 2. Remove 3 Screws (B) and disconnect Connector (A) and HDD Power Connector.

  • Page 28: Rear Panel

    DMR-EH54DEG 11.12. REAR PANEL 11.12.1. FAN MOTOR 1. Disconnect Fan Connector and remove 2 Screws (C). 1. Disconnect Fan Connector. 2. Push and unlock 2 locking Tabs (A) to remove Fan Motor. 3. Unlock the 2 Tabs and remove the Fan Motor Unit.

  • Page 29: Main P.c.b

    DMR-EH54DEG 11.13. MAIN P.C.B. 11.14. TUNER P.C.B. AND BACK END P.C.B. 1. Disconnect Connector (A) for Front (L) P.C.B. 2. Remove 5 Screws (A). 1. Pull out the Tuner P.C.B. in the direction of the arrow. 3. Remove Digital P.C.B. Angle and SD Card P.C.B. Angle 2.

  • Page 30: Service Fixture And Tools

    DMR-EH54DEG 12 SERVICE FIXTURE AND TOOLS Part Number Description Compatibility RFKZ0125 Extension FFC (Digital P.C.B. - DVD-RAM Drive / 40 Pin) Same as E30/HS2/E50/E55/ ES10 series RFKZ0126 Extension Cable (Main P.C.B. - DVD-RAM Drive/ 4 Pin) Same as E30/HS2/ES10 series RFKZ0216 Extension Cable (Main P.C.B.

  • Page 31: Checking And Repairing Of Main P.c.b

    DMR-EH54DEG 13.2. CHECKING AND REPAIRING OF MAIN P.C.B. 1. Top Case 8. HARD DISC DRIVE • • • • Remove 2 Screws (A) on side • • • • Remove 4 Screws fixing HDD Angle to remove it • • • • Remove 3 rear Screws (B) on rear from the HARD DISC DRIVE •...

  • Page 32: Checking And Repairing Of Dvd-Ram Drive

    DMR-EH54DEG 13.3. CHECKING AND REPAIRING OF DVD-RAM DRIVE 1. Top Case 6. SD Card P.C.B. Angle with DV Jack P.C.B. • • • • Remove 2 Screws (A) on side • • • • Remove a Srew to remove SD Card P.C.B. Angle with DV Jack P.C.B.

  • Page 33: Checking And Repairing Of Hdd

    DMR-EH54DEG 13.4. CHECKING AND REPAIRING OF HDD 1. Top Case 2. HDD • • • • Remove 2 Screws (A) on side • • • • Disconnect HDD ATAPI Connector • • • • Remove 3 rear Screws (B) on rear •...

  • Page 34: Caution After Replacing Parts

    No abnormality should be seen in the picture, sound or RAM disc. operation. *Panasonic DVD-RAM disc should be used when recording and playback. Model with the HDD: Problem auto recording and playback for No abnormality should be seen in the picture, sound or one minute using the HDD.

  • Page 35: Voltage And Waveform Chart

    DMR-EH54DEG 16 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 36 DMR-EH54DEG Ref.No IC 7301 Mode 2,50 2,49 4,99 0,01 0,01 4,97 0,01 0,00 0,01 0,07 0,01 0,06 0,01 1,61 1,57 Stop 2,50 2,49 4,99 0,01 0,01 4,97 0,01 0,00 0,01 0,03 0,01 0,06 0,01 1,57 1,56 Play 2,49 4,99 0,01...
  • Page 37 DMR-EH54DEG Ref.No IC 7501 Mode 4,50 5,01 0,24 0,60 0,62 4,50 0,01 0,01 0,89 1,25 5,05 1,85 0,01 2,08 3,43 Stop 4,50 5,01 0,24 0,60 0,62 4,50 0,01 0,01 0,89 1,25 5,05 1,85 0,01 2,08 3,43 Play 4,48 5,01 0,24...
  • Page 38 DMR-EH54DEG Ref.No IC 7504 Mode 5,05 0,03 4,45 0,60 0,01 2,22 2,21 5,05 28,08 28,08 28,08 28,08 28,08 28,08 28,08 Stop 5,05 0,03 4,45 0,60 0,01 2,22 2,21 5,05 28,08 28,08 28,08 28,08 28,08 28,08 28,08 Play 5,05 0,03 4,45...
  • Page 39 DMR-EH54DEG Ref.No P 7402 Mode 0,02 0,01 0,00 3,42 0,05 3,42 3,29 3,25 0,23 0,25 3,29 3,32 3,30 3,32 3,30 Stop 0,00 0,00 0,01 3,41 0,00 3,41 3,29 3,25 0,23 0,24 3,28 3,24 3,28 3,31 2,29 Play 0,00 0,00 0,00...
  • Page 40 DMR-EH54DEG Q 3916 Q 3917 Q 3918 Q 3919 QR 3910 4,66 0,06 0,04 0,03 0,06 4,66 4,66 5,02 4,66 5,02 4,66 0,06 5,08 4,68 0,06 0,05 0,03 0,05 4,68 4,68 5,03 4,68 5,03 4,68 0,06 5,09 4,64 0,06 0,03...

  • Page 41: Waveform Chart

    DMR-EH54DEG 16.1. WAVEFORM CHART T1150-15,16,17,18 T1150-7 STOP IC1150-1 STOP T1150-3 STOP STOP 130Vp-p (5 sec.div) 30Vp-p (5 sec.div) 10.0Vp-p (5 sec.div) 30Vp-p (5 sec.div) IC1150-9 STOP P7402-83 REC/PLAY P7402-51 REC/PLAY P7402-47 REC/PLAY 580Vp-p (5 sec.div) 1.0Vp-p (20 sec.div) 0.8Vp-p (20 sec.div) 1.0Vp-p (20 sec.div)

  • Page 42: Abbreviations

    DMR-EH54DEG 17 ABBREVIATIONS INITIAL/LOGO ABBREVIATIONS INITIAL/LOGO ABBREVIATIONS A0~UP ADDRESS ERROR TORQUE CONTROL ACLK AUDIO CLOCK ERROR TORQUE CONTROL AD0~UP ADDRESS BUS REFERENCE ADATA AUDIO PES PACKET DATA ENCSEL ENCODER SELECT ADDRESS LATCH ENABLE ETMCLK EXTERNAL M CLOCK (81MHz/40.5MHz) AMUTE AUDIO MUTE...
  • Page 43 DMR-EH54DEG INITIAL/LOGO ABBREVIATIONS INITIAL/LOGO ABBREVIATIONS READ ENABLE VBLANK V BLANKING RFENV RF ENVELOPE COLLECTOR POWER SUPPLY RF PHASE DIFFERENCE OUTPUT VOLTAGE (CD-ROM) REGISTER SELECT VCDCONT VIDEO CD CONTROL (TRACKING RSEL RF POLARITY SELECT BALANCE) RESET DRAIN POWER SUPPLY VOLTAGE RESERVE...
  • Page 44 DMR-EH54DEG...

  • Page 45: Interconnection

    DMR-EH54DEG 18 INTERCONNECTION P1101 JK3903 JK3003 JK3001 JK3901 P7504 P7410 P1103 DU7801 REG5V TU_VIDEO_IN FAN_LOCK DR_12V VIDEO OUT TU_AUDIO_IN DR GND AFT OUT FAN_DC_OUT DR GND SIF OUT UNREG_38V AUDIO OUT JC_REG_5V DR5V SW2 IN RFC_A_MUTE SW1 IN BOOSTER_5V IF OUT...
  • Page 46 DMR-EH54DEG...

  • Page 47: Block Diagram

    DMR-EH54DEG 19 BLOCK DIAGRAM 19.1. POWER BLOCK DIAGRAM POWER P.C.B. MAIN P.C.B. IC1400 (DC/DC CONVERTER) D+1.5V P1102 P1501 VOUT D+1.5V 12,13 ON/OFF GND POWER ON H P1102 P1501 X SW+3.8V P1102 P1501 T1150 Q1700 POWER (REG.X SW+3.8V) SWITCHING TRANSFORMER VA1110,L1120,L1121...
  • Page 48 DMR-EH54DEG MAIN P.C.B. DIGITAL P.C.B. IC9001 (REG.D+1.2V) P7402 P9001 D+1.5V 82,84,86,88 VOUT D+1.2V IC3201- POWER ON 5 CONT X SW+3.8V IC1501 (REG.ANA+5V) P7402 P9001 VOUT ANA+5V ANA+5V IC3206- 18 26 48,52 CONT IC4011 IC4409 (REG.AU+5V) (REG.DAC+3.3V) P7402 P9001 VOUT AU+5V...

  • Page 49: Analog Video Block Diagram

    DMR-EH54DEG 19.2. ANALOG VIDEO BLOCK DIAGRAM :REC SIGNAL :PB SIGNAL IC3001 MAIN P.C.B. JK3903 (SW1) (SW2) 6MHz COMP P9001 P7402 C OUT DM 6MHz BIAS 12MHz COMPONENT VIDEO OUT (SW3) P9001 P7402 Y OUT DM 6MHz PROGRESSIVE/ CLAMP INTERLACE FROM...

  • Page 50: Analog Audio Block Diagram

    DMR-EH54DEG 19.3. ANALOG AUDIO BLOCK DIAGRAM :REC SIGNAL :PB SIGNAL JK3001 REAR JACK D4002 Q4006 MIX L OUT2 MUTE FROM LINE OUT XTMUTE QR4002-QR4005 TIMER Q4007 IC7501- 63 Q4004 SECTION MIX R OUT2 MUTE MUTE LINE OUT D4003 Q4009 CIRCUIT...

  • Page 51: Timer Block Diagram

    DMR-EH54DEG 19.4. TIMER BLOCK DIAGRAM IC7501 T7501 IC7508 (TIMER) DISPLAY HEATER POWER SWITCHING MAIN P.C.B. TRANSFORMER REMOTE CONTROL RECEIVER VDD GND CTL. D7507 IP7502 P SAVE HEATER+ +38V UNREG.+38V PP7410 PS7801 (IC PROTECTOR) POWER SAVE H U/V TUNER BTL+30V) QR7505 X SW+12.4V...
  • Page 52 DMR-EH54DEG...

  • Page 53: Schematic Diagram

    DMR-EH54DEG 20 SCHEMATIC DIAGRAM 20.1. POWER SCHEMATIC DIAGRAM ZA1103 ZA1104 P1101 AC INLET D1140 F1101 L1120 L1121 (RECTIFIER) 250V T2AL C1125 1000P VA1110 C1121 C1143 0.068 400V68 T1150 C1122 C1123 (POWER SWITCHING TRANSFORMER) 1000P 1000P D1270 R1153 4 NC R1150...
  • Page 54 DMR-EH54DEG L1402 15u R1409 R1411 R1407 4700 2700 LB1400 C1412 C1421 C1413 0.01 10V470 Q1400 IC1401 D1401 (REG.DR+5V) (DC-DC CONVERTER) C1411 180P IP1401 R1405 L1400 10u C1409 C1407 C1408 C1410 R1410 150 R1404 1K 25V220 0.022 R1402 C1406 R1401 6V680...

  • Page 55: Main Net

    DMR-EH54DEG 20.2. MAIN NET K1506 P7410 Q1511 Q1560 IP1560 TL7401 X_SW_3R3V -------------------- R7402 JC_P_ON_H C1561 C1540 PS_5V PWR_SAVE_L R1562 X_SW_12R4V D1567 X_SW_5R8V R1561 D1562 R1574 BOOSTER_5V RFC_A_MUTE JC_REG_5V C1538 D1568 UNREG_38V D1566 TU_AUDIO_IN C1562 DGND QR7401 TU_VIDEO_IN P7411 IP1501 AUDIO_OUT...

  • Page 56: Main Av Io

    DMR-EH54DEG 20.3. MAIN AV IO C4033 C4063 R4046 R4055 R4090 R4076 G_MIXLOUT_A R4077 C4093 Q4008 C3957 470P D4002 R3930 R4078 R4088 C3958 470P R3988 C4060 2700 33P[22] 2700 R3991 C4082 R3989 AV1_PIN8 Q4006 AV2_8PIN C3959 R3999 R4079 P50_THROUGH_H 2700 R3987...

  • Page 57: Main Timer

    DMR-EH54DEG 20.4. MAIN TIMER DP7501 TL7514 TL7513 C7560 IP7502 C7559 L7501 $[0.1] $[0.1] K7513 D7508 LB7501 C7569 JC_REG5V C7507 C7506 R7618 R7617 D7503 T7501 Q7502 R7505 R7501 D7506 15K[G] LB7516 K7506 Q7504 C7501 LB7512 SEG39 LB7517 SEG40 R7504 Q7509 R7503...

  • Page 58: Main Nicam

    DMR-EH54DEG 20.5. MAIN NICAM TU AUDIO IN VGND C7306 1µ LB7301 JC5V C7310 R7301 1500P K7435 TL7301 TL7302 K7434 AU_GND TL7303 R7304 R7305 LB7303 R7306 $ [220] C7314 4700P C7315 4700P R7315 R7302 OUT L R7316 R7303 OUT R C7316 0.1...

  • Page 59: Tuner

    DMR-EH54DEG 20.6. TUNER K7801 Q7801 Q7803 Q7802 C7801 C7802 0.01 0.01 C7803 QR7803 R7803 QR7804 R7802 0.01 R7801 D7802 D7803 C7805 D7801 R7830 C7804 C7806 C7860 QR7802 QR7801 C7807 LB7804 D7810 D7809 TU7801 PP7801 R7813 VHFUHF M5DA JC_P_ON_H PS_5V 5V ANT...

  • Page 60: Vif Unit

    DMR-EH54DEG 20.7. VIF UNIT VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE R0710 R0701 R0740 PP0701 C0725 4MHz C0732 R0747...

  • Page 61: Sd Card

    DMR-EH54DEG 20.8. SD CARD TO P6004 TO SD CARD DIGITAL P.C.B. TL6802 TL6803 P6803 (AV ENC/RTSC/AV DEC/ DAT3 MAIN CPU-2 SECTION) P6802 LB6801 FL6801 J0JHC0000032 F1H0J1050025 3.3V 3.3V SBO0 C6802 C6803 DAT2 R6804 R6807 R6805 DAT0 DAT0 XDIAG DAT1 LB6802...

  • Page 62: Led

    DMR-EH54DEG 20.9. LED R7103 R7104 R7105 200[22] 200[22] 200[22] SD SEL DVD SEL HDD SEL D7105 D7106 D7107 P7101 N_SW_5V SD_SEL_LED DVD_SEL_LED HDD_SEL_LED SD_LED Q7101 Q7102 Q7103 R7108 R7110 R7112 DMR-EH54DEG SCHEMATIC DIAGRAM...

  • Page 63: Front

    DMR-EH54DEG 20.10. FRONT P7001 POWER S7001 KEYIN3 DMR-EH54DEG FRONT SCHEMATIC DIAGRAM...
  • Page 64 DMR-EH54DEG...

  • Page 65: Printed Circuit Board

    DMR-EH54DEG 21 PRINTED CIRCUIT BOARD 21.1. POWER P.C.B. POWER P.C.B. IC1150 QR1301 IC1200 QR1302 IC1400 QR1303 IC1401 QR1304 IC1501 QR1800 IC1601 QR1801 IC1701 P1101 Q1200 P1102 Q1270 P1103 Q1400 Q1600 IP1401 Q1700 IP1601 T1150 F1101 ADDRESS INFORMATION P1101 C1421 D1155...

  • Page 66: Main P.c.b

    DMR-EH54DEG 21.2. MAIN P.C.B. MAIN P.C.B. IC7508 L4901 ZJ7421 ZJ7424 ZJ7401 Q1511 ZJ7501 Q7410 P7506 L1501 Q7510 JK3001 L7461 C7466 JK3003 C7481 W360 JK3901 JK3903 D1562 D1566 K1506 W338 L7460 JK7501 W398 W341 C1504 JK3903 R1561 W354 Q1511 W339 LB1503...
  • Page 67 DMR-EH54DEG MAIN P.C.B. MAIN P.C.B. IC3001 IC7301 IC7501 C1541 IC7502 C4904 IC7503 R4904 C4905 IC7504 FD19 IC7505 D7466 QR7460 QR7461 R7462 R7463 R7464 R3074 Q7591 R7692 IC7462 C7477 R7468 LB7502 C7464 Q1560 C7485 Q3908 W409 Q3909 C7613 R7663 C1540 LB7503...

  • Page 68: Tuner P.c.b

    DMR-EH54DEG 21.3. TUNER P.C.B. COMPONENT SIDE TUNER P.C.B. DU7801 Q7801 Q7802 Q7803 P7801 D7805 D7804 P7802 C7821 DU7801 D7807 D7806 X7801 D7801 D7802 ADDRESS INFORMATION C7820 D7803 Q7802 C7839 K7801 Q7803 C7822 Q7801 PP7801 PP7802 R7818 SOLDER SIDE R7817 R7813...

  • Page 69: Vif P.c.b

    DMR-EH54DEG 21.4. VIF P.C.B. COMPONENT SIDE VIF PCB X0701 ADDRESS INFORMATION SOLDER SIDE VIF PCB X0701 ADDRESS INFORMATION DMR-EH54DEG VIF P.C.B. COMPONENT SIDE / SOLDER SIDE VEP07A71L...

  • Page 70: Sd Card

    DMR-EH54DEG 21.5. SD CARD CKF8 CKF6 CKF10 CKF5 CKF11 CKF4 CKF12 CKF3 CKF13 CKF2 CKF14 CKF1 TL6804 TL6805 TL6806 TL6802 RX6802 TL6803 TL6801 RX6801 FL6801 C6801 C6802 C6803 7 81211 CKE10 P6803 COMPONENT SIDE SOLDER SIDE DMR-EH54DEG SD CARD P.C.B.

  • Page 71: Front P.c.b. And Led P.c.b

    DMR-EH54DEG 21.6. FRONT P.C.B. AND LED P.C.B. FRONT JACK COMPONENT SIDE LED COMPONENT SIDE REPD0020A REPD0021B P7101 P7001 S7001 W504 W502 W503 D7101 D7102 D7107 FRONT JACK SOLDER SIDE LED SOLDER SIDE R7108 R7110 R7112 R7105 R7104 R7103 DMR-EH54DEG FRONT P.C.B./LED P.C.B.
  • Page 72 DMR-EH54DEG...

  • Page 73: Exploded Views

    DMR-EH54DEG 22 EXPLODED VIEWS 22.1. CASING PARTS AND & MECHANISM SECTION...

  • Page 74: Packing & Accessories Section

    DMR-EH54DEG 22.2. PACKING & ACCESSORIES SECTION...

  • Page 75: Replacement Parts List

    DMR-EH54DEG 23 REPLACEMENT PARTS LIST Notes: Ref. Part No. Part Name & Remarks Description *Important safety notice: RYP1270S-S FRONT PANEL UNIT Components identified mark have special 30-1 RGK1885-S REC BUTTON RING 30-2 RGK1886A-Q FL ORNAMENT characteristics important for safety. 30-3...
  • Page 76 DMR-EH54DEG Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C1151 F1B3D102A011 CERAMIC CAPACITOR C3008 F2A1A1010072 ALU ELEC CAPACITOR C1152 ECJ2VC1H331J CHIP CAPACITOR C3009 F2A1A471A548 ALU ELEC CAPACITOR C1153 ECJ2VB1H222K CHIP CAPACITOR C3010 F2A1A1010072...
  • Page 77 DMR-EH54DEG Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C4052 F1H1E104A030 CHIP CAPACITOR C7511 F1H1H222A219 CHIP CAPACITOR C4053 EEAGA1C100B ALU ELEC CAPACITOR C7512 F1H1E104A030 CHIP CAPACITOR C4054 EEAGA1C100B ALU ELEC CAPACITOR C7513 ECJ1VC1H100D...
  • Page 78 DMR-EH54DEG Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C7808 ECJ1VF1C105Z CHIP CAPACITOR C9509 ECJ1VF1C105Z CHIP CAPACITOR C7809 F1H1H1030007 CHIP CAPACITOR C9510 ECJ1VF1C105Z CHIP CAPACITOR C7810 F1H1H1030007 CHIP CAPACITOR C9511 F1H1H4700004 CHIP CAPACITOR...
  • Page 79 DMR-EH54DEG Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description D4003 MA3Z142D0LG DIODE K7435 D0YBR0000020 CHIP RESISTOR D7101 B3ABA0000595 K7503 D0YBR0000020 CHIP RESISTOR D7102 B3ACA0000265 K7505 D0YBR0000020 CHIP RESISTOR D7107 B3AEA0000049 K7516 D0YBR0000020...
  • Page 80 DMR-EH54DEG Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description LB7503 J0JCC0000103 BEAD CORE Q9201 2SB0709ARL TRANSISTOR LB7504 J0JCC0000103 BEAD CORE QR1301 UNR221300L TRANSISTOR LB7505 J0JBC0000011 BEAD CORE QR1302 UNR221300L TRANSISTOR LB7506 J0JBC0000011...
  • Page 81 DMR-EH54DEG Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R1410 ERJ6RBD151V CHIP RESISTOR R3983 D0GB103JA057 CHIP RESISTOR R1411 ERJ6RBD123V CHIP RESISTOR R3984 D0GB103JA057 CHIP RESISTOR R1503 D0GB332JA057 CHIP RESISTOR R3987 D0GB473JA057 CHIP RESISTOR...
  • Page 82 DMR-EH54DEG Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R7438 D0GB220JA057 CHIP RESISTOR R7586 D0GB433JA057 CHIP RESISTOR R7439 D0GB220JA057 CHIP RESISTOR R7587 D0GB224JA057 CHIP RESISTOR R7440 D0GB220JA057 CHIP RESISTOR R7588 D0GB104JA057 CHIP RESISTOR...
  • Page 83 DMR-EH54DEG Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R9014 D0GB330JA057 CHIP RESISTOR R9317 D0GB103JA057 CHIP RESISTOR R9015 D0YBR0000020 CHIP RESISTOR R9318 D0GB103JA057 CHIP RESISTOR R9016 D0YBR0000020 CHIP RESISTOR R9319 D0GB103JA057 CHIP RESISTOR...

  • Page 84: Service Fixture And Tools

    DMR-EH54DEG 23.4. SERVICE FIXTURE AND Ref. Part No. Part Name & Remarks Description TOOLS W407 D0YBR0000020 CHIP RESISTOR W408 D0YBR0000020 CHIP RESISTOR W409 D0YBR0000020 CHIP RESISTOR Ref. Part No. Part Name & Description Remarks W410 D0YBR0000020 CHIP RESISTOR W411 D0YBR0000020...

  • Page 85: Diagrams For Printing With A4

    DMR-EH54DEG 24 DIAGRAMS FOR PRINTING WITH A4 18 INTERCONNECTION P1101 JK3903 P7504 FAN_LOCK FAN_DC_OUT P_SAVE_L HDD_PFAIL DR5V DR5V DRGND DRGND DR12V DR12V DR_P_ON_H X_SW3R8V D1R5V P1102 P1501 D1R5V POWER P.C.B. P_ON_H X_SW12R4V X_SW12R4V X_SW5R8V X_SW5R8V DDA_-12V DIGITAL P. FP601 P3202...
  • Page 86 DMR-EH54DEG 20 SCHEMATIC DIAGRAM 20.1. POWER SCHEMATIC DIAGRAM ZA1103 ZA1104 P1101 AC INLET D1140 F1101 (RECTIFIER) L1120 L1121 250V T2AL VA1110 C1121 0.068 C1122 C1123 1000P 1000P R1153 R1150 C1150 35V68 IC1150 (SWITCHING IC) Collector C1151 1000P D1157 R1158 0.22...
  • Page 87 DMR-EH54DEG 21 PRINTED CIRCUIT BOARD 21.1. POWER P.C.B. POWER P.C.B. IC1150 QR1301 IC1200 QR1302 IC1400 QR1303 IC1401 QR1304 IC1501 QR1800 IC1601 QR1801 IC1701 P1101 Q1200 P1102 Q1270 P1103 Q1400 Q1600 IP1401 Q1700 IP1601 T1150 F1101 ADDRESS INFORMATION C1421 R1208 R1405...
  • Page 88 DMR-EH54DEG C4904 R4904 C4905 FD19 D7466 R7462 QR7460 QR7461 R7463 R7464 R3074 Q7591 R7692 IC7462 R7468 C7477 C7464 C7485 C7613 R7663 C1575 Q7590 R3073 R3072 R3901 R3070 R3057 R3056 C3064 R3058 R1504 R3059 R1503 C4060 LB3008 R4055 C4043 IC4014 R3055...
  • Page 89 DMR-EH54DEG 21.2. MAIN P.C.B. ZJ7421 ZJ7424 ZJ7501 P7506 L1501 L7461 W338 D1562 D1566 K1506 W341 R1561 W354 Q1511 W339 C1571 W353 W347 C151 D7561 W337 C1526 L1504 D7560 R1573 W332 W336 W345 TW7501 C1523 L7402 C1573 L7401 JK7501 C7584 W267...
  • Page 90 DMR-EH54DEG 21.3. TUNER P.C.B. COMPONENT SIDE TUNER P.C.B. DU7801 Q7801 Q7802 Q7803 P7801 D7805 D7804 P7802 DU7801 D7807 D7806 D7801 D7802 ADDRESS INFORMATION C7820 D7803 Q7802 K7801 Q7803 Q7801 PP7801 SOLDER SIDE TUNER P.C.B. IC7801 Q7804 R7826 QR7801 QR7802 C7842...

Table of Contents