Panasonic DMR-EH57GN Service Manual
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Panasonic DMR-EH57GN Service Manual

Panasonic DMR-EH57GN Service Manual

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Model No.
Vol. 1
Colour
(S).......................Silver Type
(K).......................Black Type
© 2007 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO.CHM0705024CE
DVD Recorder
Unauthorized
copying
and

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Summary of Contents for Panasonic DMR-EH57GN

  • Page 1 ORDER NO.CHM0705024CE DVD Recorder Model No. Vol. 1 Colour (S).......Silver Type (K).......Black Type © 2007 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    DMR-EH57GN CONTENTS Page Page 1 Safety Precaution 12.3. Main Net (1/4) Section (Main P.C.B. (1/4)) Schematic 1.1. General guidelines Diagram (M) 2 Warning 12.4. Main Net (2/4) Section (Main P.C.B. (1/4)) Schematic 2.1. Prevention of Electrostatic Discharge (ESD) to Diagram (M) Electrostatic Sensitive (ES) Devices 12.5.

  • Page 3: Safety Precaution

    DMR-EH57GN 1 Safety Precaution 1.1. General guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 4: Warning

    DMR-EH57GN 2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatic Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistor-sand semiconductor "chip"...

  • Page 5: Precaution Of Laser Diode

    DMR-EH57GN 2.2. Precaution of Laser Diode...

  • Page 6: Service Caution Based On Legal Restrictions

    DMR-EH57GN 2.3. Service caution based on legal restrictions 2.3.1. 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-EH57GN 3 Service Navigation 3.1. Service Information 3.2. Caution for DivX...

  • Page 8: Specifications

    DMR-EH57GN 4 Specifications...
  • Page 9 DMR-EH57GN...

  • Page 10: Location Of Controls And Components

    DMR-EH57GN 5 Location of Controls and Components...
  • Page 11 DMR-EH57GN...

  • Page 12: Operation Instructions

    DMR-EH57GN 6 Operation Instructions 6.1. Taking out the Disc from DVD-Drive Unit when the Disc cannot be ejected by OPEN/CLOSE button 6.1.1. Forcible Disc Eject 6.1.1.1. 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 13 DMR-EH57GN 6.1.2. When the Forcible Disc Eject can not be done.
  • Page 14 DMR-EH57GN 1. Turn off the power and pull out AC cord. 2. Remove the Top Case. 3. Put deck so that bottom can be seen. 4. Slide SLIDE CAM by Eject Pin (JZJ0484) or minus screw driver (small) in the direction of arrow to eject tray slightly.

  • Page 15: Service Mode

    DMR-EH57GN 7 Service Mode 7.1. Self-Diagnosis and Special Mode Setting 7.1.1. 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 16 DMR-EH57GN 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.) Drive hardware error...
  • Page 17 DMR-EH57GN Error Code Diagnosis contents Description Monitor Display Automatic FL display [HDD ERR] is displayed when a) When normal start up was failed. No display ERROR start up of HDD was failed. b) When start up at HDD boot was failed.
  • Page 18 DMR-EH57GN 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. [STOP], [POWER] [OPEN/CLOSE] simultaneously for over 5 seconds and less than 10 seconds.
  • Page 19 DMR-EH57GN Item FL display Key operation Mode name Description Front Key Progressive initialization The progressive setting is initialized to display before execution When the power is on (E-E mode), Interlace. leaves. press [STOP] [PLAY] simultaneously for 5 seconds. 7.1.3. Service Modes at a glance Service mode setting: While the power is off, press REC, CH UP and OPEN / CLOSE simultaneously for five seconds.
  • Page 20 DMR-EH57GN Item FL display Key operation Mode name Description (Remote controller key) RTSC Return in XP AV1 input signal is encoded (XP), decoded Initial mode: EE2/ Interlace/ XP/ Press [1] [3] in service mode. (A & V) (XP) and output decoded signal to external Audio 48kHz without DISC recording and DISC playback.
  • Page 21 DMR-EH57GN Item FL display Key operation Mode name Description (Remote controller key) READ SEEK Inspecting seek time of HSS to inspect At start Press [3] [1] in service mode. Inspection performance. * When canceling the inspection mode while executing, do “forced power-off”.
  • Page 22 DMR-EH57GN Item FL display Key operation Mode name Description (Remote controller key) READ VERIFY Measure of access time in READ VERIFY At start Press [3] [2] in service mode. Inspection MODE of HDD. * When canceling the inspection mode while executing, do “forced power-off”.
  • Page 23 DMR-EH57GN Item FL display Key operation Mode name Description (Remote controller key) HDD High Speed Scan Press [3] [6] in service mode. The [*] sign is added every 10 seconds while inspecting. Two digits on the right side are the progress level of the inspection (The unit is %).
  • Page 24 DMR-EH57GN 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 25 DMR-EH57GN Item FL display Key operation Mode name Description (Remote controller key) Front connection Press all front keys and check the connection Press [5] [4] in service mode. inspection between Main P.C.B. and Front key Switches. (1) Each time a key is pressed, segment turned on increases one by one.
  • Page 26 DMR-EH57GN Item FL display Key operation Mode name Description (Remote controller key) P50(H) Output Timer Microprocessor IC7501-76 output High When OK. Press [8] [4] in service mode. signal for AV1-pin 10 passing through inverter (approx. 0V DC at AV1-pin 10).

  • Page 27: Service Fixture & Tools

    DMR-EH57GN 8 Service Fixture & Tools Part Number Description Compatibility RFKZ0260 Extension Cable (MainP.C.B. - RAM/Digital P.C.B. Module/ 88 Pin) Same as EH50 Series RFKZ0327 Extension Cable (MainP.C.B. - Power P.C.B./ 15 Pin) Same as E55 Series RFKZ0366 Extension FFC (HDD - RAM/Digital P.C.B. Module/ 40 Pin)

  • Page 28: Disassembly And Assembly Instructions

    DMR-EH57GN 9 Disassembly and Assembly Instructions 9.1. Disassembly Flow Chart The following 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 29: Positions

    DMR-EH57GN 9.2. P.C.B. Positions...

  • Page 30: Top Case

    DMR-EH57GN 9.3. Top Case 9.4.1. How to assemble Tray door ass’y 1. Attach Blinder spring to Tray door ass’y. 1. Remove the 2 screws (A) and 3 screws (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 31: Hdd, Atapi P.c.b

    DMR-EH57GN 9.5. HDD, ATAPI P.C.B. Handling of HDD The following precautions should be taken when handling HDD. 1. Never give an impact to HDD. (Even a drop from 1cm height can be a cause of HDD failure. 2. When placing HDD on a workbench, provide a mat on a bench for shock absorption and anti-static purposes.
  • Page 32 DMR-EH57GN CAUTION: When replacing HDD, pay attention as below. 2. Put HDD with HDD angle up and down inversely so as not to give a shock to HDD. 3. Remove 4 Screws (C) to remove HDD from HDD angle.

  • Page 33: Ram/Digital P.c.b. Module

    DMR-EH57GN 9.6. RAM/Digital P.C.B. Module 1. Remove the 3 Screws (A) and Screw (B) to remove Digital Shield. 3. Put Digital P.C.B. on DVD drive and remove RAM/Digital P.C.B. Module. 2. Lift up Digital P.C.B. slightly so to disconnect connectors to remove Digital P.C.B..

  • Page 34: Dv Jack P.c.b

    DMR-EH57GN 9.8. Rear Panel 9.8.1. Only Fan Motor 1. Remove the 2 Screws (C) and fan connector, remove the Fan motor with pushing 2 tabs in the direction of arrows. 9.8.2. Rear Panel with Fan Motor 1. Remove 6 Screws (B) and 2 Screws (C).

  • Page 35: Power P.c.b

    DMR-EH57GN 9.9. Power P.C.B. 9.10. HDMI P.C.B. 1. Remove 3 Screws (A) and disconnect the connector to 1. Push the PCB spacer in the direction of arrows and lift up remove Power P.C.B.. HDMI P.C.B. slightly so to disconnect connector to remove...

  • Page 36: Main P.c.b., Front Jack P.c.b. And Front (L)

    DMR-EH57GN 9.11. Main P.C.B., Front Jack P.C.B. and Front (L) P.C.B. 1. Remove 5 Screws (A) and Screw (B). 2. Remove Front angle and Rear angle B. 3. Remove Main P.C.B., Front jack P.C.B. and Front (L) P.C.B.

  • Page 37: Measurements And Adjustments

    DMR-EH57GN 10 Measurements and Adjustments 10.1. Service Positions Note: For description of the disassembling procedure, see the section 9. 10.1.1. Checking and Repairing of Power P.C.B.
  • Page 38 DMR-EH57GN 10.1.2. Checking and Repairing of RAM / Digital P.C.B. Module...
  • Page 39 DMR-EH57GN 10.1.3. Checking and Repairing of Main P.C.B.
  • Page 40 DMR-EH57GN 10.1.4. Checking and Repairing of HDD...

  • Page 41: Caution For Replacing Parts

    DMR-EH57GN 10.2. Caution for Replacing Parts 10.2.1. Items that should be done after replacing parts...
  • Page 42 DMR-EH57GN Note3: Please prepare latest firmware updating disc. * Main Firm is being recorded in HDD, but new HDD has no data. Writing Procedure of Main Firm: <<Caution>> (1) Writing of Main Firm needs 3, 4 minutes. (2) Never cut the power of DVD Recorder until writing in Firmware ends.

  • Page 43: Standard Inspection Specifications After Making Repairs

    Perform auto recording and playback for one minute using the RAM No abnormality should be seen in the picture, sound or operation. disc. *Panasonic DVD-RAM disc should be used when recording and playback. Model with the HDD: Perform auto recording and playback for one No abnormality should be seen in the picture, sound or operation.
  • Page 44 DMR-EH57GN...

  • Page 45: Block Diagram

    DMR-EH57GN 11 Block Diagram 11.1. Power Supply Block Diagram POWER P.C.B. MAIN P.C.B. D1400 X SW+3V P1102 P1501 X SW+3V 12,13 T1150 POWER SWITCHING TRANSFORMER VA1110,L1120,L1121 D1140,C1143 D1270 AC INLET X SW+3.8V P1102 P1501 X SW+3.8V P1101 F1101 SURGE RECTIFIER...
  • Page 46 DMR-EH57GN MAIN P.C.B. HDMI P.C.B. IC56105 (REG.+5V) IP7502 (IC PROTECTOR) XSW+5.8V_AV P7501 P56101 P56102- 18 CONT XSW+3V P7402 P59001 ANA+3.3V P7402 P59001 DIGITAL D+3.8V P7402 P59001 P.C.B. X SW+3.8V 60,62 IC1506 (REG.DR+5V) ANA+5V P7402 P59001 IC4901- IC56104 (REG.+3.3V) DR+5V P7402...

  • Page 47: Analog Video Block Diagram

    DMR-EH57GN 11.2. Analog Video Block Diagram :REC SIGNAL :PB SIGNAL IC3001 (VIDEO PROCESSOR) MAIN P.C.B. JK3903 (SW1) (SW2) COMP 6MHz P59001 P7402 C OUT DM 6MHz BIAS 12MHz (SW3) P59001 P7402 Y OUT DM 6MHz COMPONENT CLAMP VIDEO OUT PROGRESSIVE/...

  • Page 48: Analog Audio Block Diagram

    DMR-EH57GN 11.3. Analog Audio Block Diagram :REC SIGNAL :PB SIGNAL MAIN P.C.B. JK3001 REAR JACK D4005 Q4006 MIX L OUT2 MUTE LINE OUT Q4007 QR4002 (AUDIO MUTE DRIVE) MUTE MIX R OUT2 FROM XTMUTE TIMER D4006 Q4009 LINE OUT IC7501-...

  • Page 49: Analog Timer Block Diagram

    DMR-EH57GN 11.4. Analog Timer Block Diagram IC7501 T7501 IR7501 (TIMER) DISPLAY HEATER POWER SWITCHING MAIN P.C.B. TRANSFORMER REMOTE CONTROL RECEIVER QR7402 CTL. D7506 IP7501 P SAVE HEATER+ +38V UNREG.+38V POWER SAVE (IC PROTECTOR) to TU7802- (BTL+30V) QR7508 X SW+12.4V :ON)

  • Page 50: Hdmi Block Diagram

    DMR-EH57GN 11.5. HDMI Block Diagram IC56103 (HDMI TRANSMITTER) P55003 P56103 P55003 P56103 P55003 P56103 P55003 P56103 P55003 P56103 P55003 P56103 HDMI P55003 P56103 CONNECTOR P56102 P55003 P56103 TX2P L56101 P56102 TX2M P56102 TX1P L56102 P56102 TX1M P56102 TX0P L56103 P56102...

  • Page 51: Schematic Diagram

    DMR-EH57GN 12 Schematic Diagram 12.1. Interconnection Schematic Diagram JW7001 FC7001 KEY3_POWER KEY3_POWER P7402 P59001 P57001 P37001 TPB- TPB- DGND DGND FRONT(L) P.C.B. TPB+ TPB+ DGND DGND DGND DGND DGND DGND P55003 TPA- TPA- DGND DGND DAC_MCK REC_656_OUT_3 TPA+ TPA+ JW3801...

  • Page 52: Power Supply Schematic Diagram

    DMR-EH57GN 12.2. Power Supply Schematic Diagram LB1125 LB1122 C1125 J0JHC0000048 J0JKB0000003 1000P ZA1103 ZA1104 D1400 D1140 EYF52BCY EYF52BCY B0JANE000037 L1120 L1121 B0EDKT000009 L1400 K3GE1ZA00010 K3GE1ZA00010 B0JAME000033 (S1WBA80-7062) G0A100HA0023 G0B233D00001 G0B233D00001 C1121 0.022 F1101 T1150 K5D202BK0005 ETS28BF236AD K5D202BLA013 P1101 K2AA2H000007 T2AL 250V...

  • Page 53: Main Net (1/4) Section (Main P.c.b. (1/4)) Schematic Diagram (M)

    DMR-EH57GN 12.3. Main Net (1/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. LOCATION MAP THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 54: Main Net (2/4) Section (Main P.c.b. (1/4)) Schematic Diagram (M)

    DMR-EH57GN 12.4. Main Net (2/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M) LOCATION MAP NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 55: Main Net (3/4) Section (Main P.c.b. (1/4)) Schematic Diagram (M)

    DMR-EH57GN 12.5. Main Net (3/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 56: Main Net (4/4) Section (Main P.c.b. (1/4)) Schematic Diagram (M)

    DMR-EH57GN 12.6. Main Net (4/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 57 Detail Block Diagram IC1508 Detail Block Diagram IC1510 Detail Block Diagram REFERENCE IC1520 Detail Block Diagram UVLOcomp IC1521 Detail Block Diagram VOUT IC7401 Detail Block Diagram IC7402 Detail Block Diagram VREF V5/PWON VREF/SS IC7403 Detail Block Diagram DMR-EH57GN IC-Detail Block Diagram...

  • Page 58: Av I/O (1/4) Section (Main P.c.b. (2/4)) Schematic Diagram (Av)

    DMR-EH57GN 12.7. AV I/O (1/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV) LOCATION MAP NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 59: Av I/O (2/4) Section (Main P.c.b. (2/4)) Schematic Diagram (Av)

    DMR-EH57GN 12.8. AV I/O (2/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV) LOCATION MAP NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 60: Av I/O (3/4) Section (Main P.c.b. (2/4)) Schematic Diagram (Av)

    DMR-EH57GN 12.9. AV I/O (3/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 61: Av I/O (4/4) Section (Main P.c.b. (2/4)) Schematic Diagram (Av)

    DMR-EH57GN 12.10. AV I/O (4/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 62 AV1 Lch MUTE IIC BUS (SW10) LOGIC BIAS AV2 R/C CLAMP TUN Rch TUNER TUN Lch AV2 G CLAMP CLAMP AV2 B CLAMP RF OUT MUTE AV2 V/Y CLAMP IC3001 Detail Block Diagram IC4001 Detail Block Diagram DMR-EH57GN IC-Detail Block Diagram...

  • Page 63: Tuner Section (Main P.c.b. (3/4)) Schematic Diagram (Tu)

    DMR-EH57GN 12.11. Tuner Section (Main P.C.B. (3/4)) Schematic Diagram (TU) IC7301 DECODER IC IC-DETAIL BLOCK DIAGRAM R7811 4700 AF SWITCH C7826 2200P C7820 680P DIGITAL K7801 IDENTIFICATION LB7801 J0JHC0000032 PILOT C7802 C7801 C7821 NARROW-BAND PLL 0.01 6V47 270P R7802 D7801...

  • Page 64: Timer (1/4) Section (Main P.c.b. (4/4)) Schematic Diagram (T)

    DMR-EH57GN 12.12. Timer (1/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T) LOCATION MAP NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 65: Timer (2/4) Section (Main P.c.b. (4/4)) Schematic Diagram (T)

    DMR-EH57GN 12.13. Timer (2/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 66: Timer (3/4) Section (Main P.c.b. (4/4)) Schematic Diagram (T)

    DMR-EH57GN 12.14. Timer (3/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 67: Timer (4/4) Section (Main P.c.b. (4/4)) Schematic Diagram (T)

    DMR-EH57GN 12.15. Timer (4/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 68: Hdmi Schematic Diagram

    DMR-EH57GN 12.16. HDMI Schematic Diagram 62 61 59 58 55 54 52 51 49 48 47 46 44 43 40 39 [65]NC [32]NC [66]D22 [31]NC HDMI VDD33 CKA21 RL56101 CONNECTOR VDD33 P56102 L56101 VDD12 K1FA119E0004 RL56102 C56116 J0MAB0000170 AVDD C56103...

  • Page 69: Dv Jack Schematic Diagram

    DMR-EH57GN 12.17. DV Jack Schematic Diagram 12.19. Front (L) Schematic Diagram TO P57001 POWER DIGITAL P.C.B. S7002 (BE (1/4) SECTION) EVQ11A04M K1KA06AA0699 DV JACK P37001 P37002 TPB- K1FY104B0006 TPB+ TPB- TPB+ TPA- TPA- TPA+ TPA+ D3R3V TO FC7001 MAIN P.C.B.
  • Page 70 DMR-EH57GN...

  • Page 71: Printed Circuit Board

    DMR-EH57GN 13 Printed Circuit Board 13.1. Power P.C.B. and DV Jack P.C.B. DV Jack P.C.B. Power P.C.B. COLD DMR-EH57GN DMR-EH57GN DV Jack P.C.B. Power P.C.B. (VEP73147A) (VEP71128A)

  • Page 72: Main

    DMR-EH57GN 13.2. Main P.C.B. 13.2.1. Main P.C.B. (1/4 Section) Location Map (FRONT) (REAR) DMR-EH57GN Main P.C.B. (RFKB79156DT) (1/4 Section)
  • Page 73 DMR-EH57GN 13.2.2. Main P.C.B. (2/4 Section) Location Map (FRONT) (REAR) DMR-EH57GN Main P.C.B. (RFKB79156DT) (2/4 Section)
  • Page 74 DMR-EH57GN 13.2.3. Main P.C.B. (3/4 Section) Main P.C.B. Location Map (FRONT) (REAR) DMR-EH57GN Main P.C.B. (RFKB79156DT) (3/4 Section)
  • Page 75 DMR-EH57GN 13.2.4. Main P.C.B. (4/4 Section) Location Map (FRONT) (REAR) DMR-EH57GN Main P.C.B. (RFKB79156DT) (4/4 Section)
  • Page 76 DMR-EH57GN 13.2.5. Main P.C.B. Address Information Main P.C.B. Integrated Circuit CL7412 D4005 LB7416 C3026 C4072 C7543 R3912 R7313 R7572 IC1501 CL7501 D4006 LB7417 C3027 C4082 C7544 R3913 R7322 R7573 IC1506 CL7502 D7501 LB7418 C3028 C4083 C7546 R3914 R7324 R7574 IC1510...

  • Page 77: Hdmi P.c.b

    DMR-EH57GN 13.3. HDMI P.C.B. HDMI P.C.B. (COMPONENT SIDE) (FOIL SIDE) DMR-EH57GN HDMI P.C.B. (VEP73148A)

  • Page 78: Front Jack P.c.b. And Front (L) P.c.b

    DMR-EH57GN 13.4. Front Jack P.C.B. and Front (L) P.C.B. Front Jack P.C.B. Front (L) P.C.B. DMR-EH57GN DMR-EH57GN Front Jack P.C.B. Front (L) P.C.B. (VEP73146A) (VEP70187A)

  • Page 79: Atapi P.c.b

    DMR-EH57GN 13.5. ATAPI P.C.B. ATAPI P.C.B. DMR-EH57GN ATAPI P.C.B. (VEP70194A)
  • Page 80 DMR-EH57GN...

  • Page 81: Appendix For Schematic Diagram

    DMR-EH57GN 14 Appendix for Schematic Diagram 14.1. Voltage and Waveform Chart Note) Circuit voltage and waveform described herein 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 82 DMR-EH57GN Ref No. IC4001 IC4009 MODE 11.6 PLAY 11.6 STOP 11.6 Ref No. IC4012 IC4901 MODE 11.6 PLAY 11.6 STOP 11.6 IC7301 Ref No. MODE PLAY STOP IC7301 Ref No. MODE PLAY STOP IC7301 Ref No. MODE PLAY STOP IC7302...
  • Page 83 DMR-EH57GN Q1501 Q1502 Ref No. MODE PLAY STOP Q1509 Q4006 Q4007 Q4008 Ref No. MODE 12.4 12.4 12.4 12.3 12.3 12.3 12.3 -0.1 -0.1 -0.1 PLAY 12.4 12.4 12.4 12.3 12.3 12.3 12.3 -0.1 -0.1 -0.1 STOP 12.4 12.4 12.4 12.3...
  • Page 84 DMR-EH57GN 14.1.3. HDMI P.C.B. Ref No. IC56103 MODE PLAY STOP IC56103 Ref No. MODE PLAY STOP Ref No. IC56103 MODE PLAY STOP IC56103 Ref No. MODE PLAY STOP Ref No. IC56103 MODE PLAY STOP IC56103 Ref No. MODE PLAY STOP Ref No.

  • Page 85: Waveform Chart

    DMR-EH57GN 14.1.5. Waveform Chart T1150-12 STOP T1150-4 STOP IC1150-1 STOP T1150-5,6 STOP 10Vp-p (2m sec.div) 8.6Vp-p (50 sec.div) 8.0Vp-p (50 sec.div) 34Vp-p (50 sec.div) IC1150-9 STOP P7402-29,31 REC/PLAY P7402-51 REC/PLAY P7402-55 REC/PLAY 580Vp-p (50 sec.div) 0.8Vp-p (1m sec.div) 1.0Vp-p (20 sec.div) 0.8Vp-p (20 sec.div)
  • Page 86 DMR-EH57GN 14.1.6. Abbreviations INITIAL/LOGO ABBREVIATIONS INITIAL/LOGO ABBREVIATIONS A0~UP ADDRESS IECOUT IEC958 FORMAT DATA OUTPUT ACLK AUDIO CLOCK IPFRAG INTERPOLATION FLAG AD0~UP ADDRESS BUS IREF I (CURRENT) REFERENCE ADATA AUDIO PES PACKET DATA ISEL INTERFACE MODE SELECT ADDRESS LATCH ENABLE LDON...
  • Page 87 DMR-EH57GN 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 TRACK CROSS SIGNAL TRON TRACKING ON TRSON TRAVERSE SERVO ON...

  • Page 88: Parts And Exploded Views

    DMR-EH57GN 15 Parts and Exploded Views 15.1. Exploded Views 15.1.1. Casing Parts & Mechanism Section...
  • Page 89 DMR-EH57GN 15.1.2. Packing & Accessories Section...

  • Page 90: Replacement Parts List

    DMR-EH57GN 15.2. Replacement Parts List Ref. Part No. Part Name & Remarks Description C3009 F2A1A471A869 10V 470P Notes: C3010 F2A1A101A868 10V 100U *Important safety notice: C3011 F1H1C104A071 16V 0.1U C3012 F2A1A471A869 10V 470P Components identified mark have special C3013 F2A1A101A868 10V 100U characteristics important for safety.
  • Page 91 DMR-EH57GN Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C4060 F1J1H330A688 50V 33U C7543 F1H1H470A799 50V 47P C4061 ECJ1VF1C104Z 16V 0.1U C7544 F1H1C104A071 16V 0.1U C4062 F2A1A471A550 10V 470U C7546 ECJ1VB0J105K 6.3V 1U...
  • Page 92 DMR-EH57GN Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description LB7415 J0JCC0000103 COIL IP1501 ERBSE3R00U IC PROTECTOR LB7416 J0JCC0000164 COIL IP7501 K5H751Z00003 IC PROTECTOR LB7417 J0JCC0000103 COIL IP7502 K5H751Z00003 IC PROTECTOR LB7418 J0JCC0000103...
  • Page 93 DMR-EH57GN Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R3058 ERJ3GEYJ750V 1/10W 75 R7322 ERJ3GEY0R00V 1/10W 0 R3059 ERJ3GEYJ750V 1/10W 75 R7324 ERJ3GEYJ221V 1/10W 220 R3901 ERJ3GEYF750V 1/10W 75 R7325 ERJ3GEYJ221V 1/10W 220...
  • Page 94 DMR-EH57GN Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R7582 ERJ3GEYJ104V 1/10W 100K W736 ERJ6GEY0R00V 1/8W 0 R7583 ERJ3GEYJ101V 1/10W 100 W737 ERJ6GEY0R00V 1/8W 0 R7587 ERJ3GEYJ103V 1/10W 10K W738 ERJ6GEY0R00V 1/8W 0...
  • Page 95 DMR-EH57GN Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C1201 ECJ2VB1E473K 25V 0.047U R1201 ERJ6GEYG822V 1/8W 8.2K C1270 F2A1C1820005 16V 1800P R1205 ERJ6GEYJ224V 1/8W 220K C1271 F2A1C1820005 16V 1800P R1206 ERJ6GEYG242V 1/8W 2.4K...
  • Page 96 DMR-EH57GN Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C56135 F1G1A104A014 10V 0.1U R56132 ERJ2GEJ224X 1/16W 220K C56140 F1G1A104A014 10V 0.1U R56133 ERJ2GEJ104X 1/16W 100K R56135 ERJ2GEJ470X 1/16W 47 D56101 MA2J72800L DIODE...
  • Page 97 DMR-EH57GN Ref. Part No. Part Name & Remarks Description RMN0841 HDD BRACKET RFKV0092HDK HDD 160GB RKA0184-J FOOT RUBBER VEE0Z41 WIRE WITH CONNECTOR RGR0365K-B REAR PANEL RKA0186-K FOOT RUBBER B RYP1372E-S FRONT PANEL ASS’Y RYP1372E-K FRONT PANEL ASS’Y 29-1 RKF0787D-S DOOR...
  • Page 98 (EH57GC/EH57GCS/EH57GN) (K).......Black Type (EH57GN) Subject : Reducing the noise of hard disk and changing service parts Please use this supplement manual together with the service manuals for Model No. DMR-EH57GCGCS (NO. CHM0707029AE) and DMR-EH57GN(NO. CHM0705024CE). CONTENTS Page Page 1 Modifying disassembly and assembly instructions 3 Changes of 迭...

  • Page 99: Modifying Disassembly And Assembly Instructions

    DMR-EH57GC / DMR-EH57GCS / DMR-EH57GN 1 Modifying disassembly and assembly instructions Note: When servicing a part not included in this manual, please replace all the parts of hard disk assembly. 1.1. Modifying “9.5. HDD, ATAPI P.C.B.” CAUTION: When replacing HDD, pay attention as below.
  • Page 100 DMR-EH57GC / DMR-EH57GCS / DMR-EH57GN...

  • Page 101: Changes Of 摘 Xploded Views

    DMR-EH57GC / DMR-EH57GCS / DMR-EH57GN 2 Changes of “Exploded Views” 2.1. Changes of “Casing Parts & Mechanism Section”...

  • Page 102: Changes Of 撤 Acking & Accessories Section

    DMR-EH57GC / DMR-EH57GCS / DMR-EH57GN 2.2. Changes of “Packing & Accessories Section”...

  • Page 103: Changes Of 迭 Eplacement Parts List

    DMR-EH57GC / DMR-EH57GCS / DMR-EH57GN 3 Changes of “Replacement Parts List” 3.1. Changes of parts list Note: 1. In order to differentiate area codes of destinations, part numbers of servicing parts on main board are changed; 2. Hard disk assembly includes following parts: 21, 23, 44, 45.

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