Panasonic DMR-EH57EC Service Manual
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Panasonic DMR-EH57EC Service Manual

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Model No.
Vol. 1
Colour
(S).......................Silver Type
(K).......................Black Type (EH57EC/EP, EH575EG)
© 2007 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO.DSD0703003CE

DVD Recorder

Unauthorized
copying
and

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Summary of Contents for Panasonic DMR-EH57EC

  • Page 1: Dvd Recorder

    ORDER NO.DSD0703003CE DVD Recorder Model No. Vol. 1 Colour (S).......Silver Type (K).......Black Type (EH57EC/EP, EH575EG) © 2007 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG CONTENTS Page Page 1 Safety Precaution 9.6. RAM/Digital P.C.B. Module 1.1. General guidelines 9.7. DV Jack P.C.B. 2 Warning 9.8. Rear Panel 2.1. Prevention of Electrostatic Discharge (ESD) to 9.9. Power P.C.B. Electrostatic Sensitive (ES) Devices 9.10.
  • Page 3 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 12.5. Main Net (3/4) Section (Main P.C.B. (1/4)) Schematic 12.15. Timer (4/4) Section (Main P.C.B. (4/4)) Schematic Diagram (M) Diagram (T) 12.6. Main Net (4/4) Section (Main P.C.B. (1/4)) Schematic 12.16. HDMI Schematic Diagram Diagram (M) 12.17.

  • Page 4: Safety Precaution

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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.

  • Page 5: Warning

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 6: Precaution Of Laser Diode

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 2.2. Precaution of Laser Diode...

  • Page 7: Service Caution Based On Legal Restrictions

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 8: Service Navigation

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 3 Service Navigation 3.1. Service Information 3.2. Caution for DivX...

  • Page 9: Specifications

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 4 Specifications...
  • Page 10 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG...

  • Page 11: Location Of Controls And Components

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 5 Location of Controls and Components Followings are the Location of Controls and Components for DMR-EH575EG as a sample. For other model, refer to each Operation Instructions.
  • Page 12 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG...

  • Page 13: Operation Instructions

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 14 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 6.1.2. When the Forcible Disc Eject can not be done.
  • Page 15 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 16: Service Mode

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 17 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 18 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 19 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 20 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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.
  • Page 21 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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.
  • Page 22 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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...
  • Page 23 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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...
  • Page 24 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 25 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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.
  • Page 27 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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.

  • Page 28: Service Fixture & Tools

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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.

  • Page 29: Disassembly And Assembly Instructions

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 30: Positions

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 9.2. P.C.B. Positions...

  • Page 31: Top Case

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 32: Hdd, Atapi P.c.b

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 9.5. HDD, ATAPI P.C.B.
  • Page 33 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 1. Remove the 2 Screws (A) and (B), FFC and Wire with connector to remove HDD with ATAPI P.C.B.. 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.

  • Page 34: Ram/Digital P.c.b. Module

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 Note: remove Digital P.C.B..

  • Page 35: Dv Jack P.c.b

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 9.7. DV Jack P.C.B. 1. Remove Screw (A) to remove DV Jack P.C.B..

  • Page 36: Rear Panel

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 9.8. Rear Panel 9.9. Power P.C.B. 9.8.1. Only Fan Motor 1. Remove 3 Screws (A) and disconnect the connector to remove Power P.C.B.. 1. Remove the 2 Screws (C) and fan connector, remove the Fan motor with pushing 2 tabs in the direction of arrows.

  • Page 37: Hdmi P.c.b

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 9.10. HDMI P.C.B. 9.11. Main P.C.B., Front Jack P.C.B. and Front (L) P.C.B. 1. Push the PCB spacer in the direction of arrows and lift up HDMI P.C.B. slightly so to disconnect connector to remove 1.

  • Page 38: Measurements And Adjustments

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 39 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 10.1.2. Checking and Repairing of RAM / Digital P.C.B. Module...
  • Page 40 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 10.1.3. Checking and Repairing of Main P.C.B.
  • Page 41 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 10.1.4. Checking and Repairing of HDD...

  • Page 42: Caution For Replacing Parts

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 10.2. Caution for Replacing Parts 10.2.1. Items that should be done after replacing parts...
  • Page 43 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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.

  • Page 44: 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 45: Block Diagram

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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...
  • Page 46 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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...

  • Page 47: Analog Video Block Diagram

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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...

  • Page 48: Analog Audio Block Diagram

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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...

  • Page 49: Analog Timer Block Diagram

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 11.4. Analog Timer Block Diagram IC7501 T7501 IR7501 (TIMER) DISPLAY HEATER POWER SWITCHING MAIN P.C.B. TRANSFORMER REMOTE CONTROL RECEIVER to TU7801- (BTL+30V) QR7402 CTL. D7506 :DMR-EH57EC IP7501 P SAVE HEATER+ +38V UNREG.+38V POWER SAVE...

  • Page 50: Hdmi Block Diagram

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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...

  • Page 51: Schematic Diagram

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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...

  • Page 52: Power Supply Schematic Diagram

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 12.2. Power Supply Schematic Diagram K1120 LB1125 LB1122 C1125 $[VWJ0795=10] J0JHC0000048 J0JKB0000003 ECKWNA102MEV K1122 NOTSPECIFIEDDC $[VWJ0795=10] ZA1103 ZA1104 D1400 D1140 EYF52BCY EYF52BCY B0JANE000037 L1120 L1121 B0EDKT000009 L1400 #K3GE1ZA00010 #K3GE1ZA00010 B0JAME000033 (S1WBA80-7062) G0A100HA0023 G0B233D00001...

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

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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: Diagram (M)

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG IC7401 IC1510 IC1501 PS +11.6V SWITCHING REGULATOR TU +5V SWITCHING REGULATOR RESET IC-DETAIL BLOCK DIAGRAM IC-DETAIL BLOCK DIAGRAM IC-DETAIL BLOCK DIAGRAM VOUT VOUT SENSE ON/OFF Vref IC7402,IC7403 IC1506 IC1520 BOOSTER +5V SWITCHING REGULATOR,...

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

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG IC3001 IC4001 VIDEO/AUDIO PROCESSOR AU +5V SWITCHING REGULATOR IC-DETAIL BLOCK DIAGRAM IC-DETAIL BLOCK DIAGRAM VOUT (SW1) (SW2) COMP 6MHz 6MHz BIAS 12MHz (SW3) 6MHz CLAMP CLAMP/ BIAS (SW4) COMP 6MHz 12MHz CLAMP (SW6)

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

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 12.11. Tuner Section (Main P.C.B. (3/4)) Schematic Diagram (TU) Modify Category Variation Type Variation Category DMR-EH575EG C/D/F/G/R/S J/L/U/V DMR-EH57EC C7301 0.01 0.01 0.01 DMR-EH57EP C7302 ECJ2VC1H102J ECJ2VC1H102J ECJ2VC1H102J ECJ2VC1H102J ECJ2VC1H102J DMR-EH57GCS,GN,GC F2A0J101A825 F2A0J101A825...
  • Page 64 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG IC7301 IC7302 DECODER RESET IC-DETAIL BLOCK DIAGRAM IC-DETAIL BLOCK DIAGRAM AF SWITCH Vref DIGITAL IDENTIFICATION PILOT NARROW-BAND PLL STEREO DECODER STEREO ADJUST IIC BUS TRANSCEVER POWER SUPPLY AMPLIFIER AMPLIFIER FM DEMODULATOR FM DEMODULATOR...

  • Page 65: Timer (1/4) Section (Main P.c.b. (4/4)) Schematic Diagram (T)

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 DP7501 SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 66: Timer (2/4) Section (Main P.c.b. (4/4)) Schematic Diagram (T)

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 67: Timer (3/4) Section (Main P.c.b. (4/4)) Schematic Diagram (T)

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 68: Diagram (T)

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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 69: Hdmi Schematic Diagram

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 12.16. HDMI Schematic Diagram Modify Category Variation Category Variation Type ET56101 $[K4CD01000010] $[K4CD01000010] K4CD01000010 DMR-EH57, EH575, EH67, EH675 FP56101 $[K1MN30AA0082] K1MN30AA0082 $[K1MN30AA0082] P56101 K1KB10A00124 $[K1KB10A00124] K1KB10A00124 DMR-EZ47VEB/VGN P56103 K1KC30A00003 $[K1KC30A00003] K1KC30A00003 P56104 $[K1KY10BA0033]...

  • Page 70: Dv Jack Schematic Diagram

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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+...

  • Page 71: Printed Circuit Board

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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-EH57EC/EP/EE,EH575EG DMR-EH57EC/EP/EE,EH575EG DV Jack P.C.B. Power P.C.B. (VEP73147A) (VEP71118A)

  • Page 72: Main P.c.b

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 13.2. Main P.C.B. 13.2.1. Main P.C.B. (1/4 Section) Location Map (FRONT) (REAR) DMR-EH57EC/EP/EE,EH575EG Main P.C.B. (RFKB79156BT:EH57EC,RFKB79156CT:EH57EP, RFKB79156RT:EH57EE,RFKB79156AT:EH575EG) (1/4 Section)
  • Page 73 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 13.2.2. Main P.C.B. (2/4 Section) Location Map (FRONT) (REAR) DMR-EH57EC/EP/EE,EH575EG Main P.C.B. (RFKB79156BT:EH57EC,RFKB79156CT:EH57EP, RFKB79156RT:EH57EE,RFKB79156AT:EH575EG) (2/4 Section)
  • Page 74 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 13.2.3. Main P.C.B. (3/4 Section) Main P.C.B. Location Map (FRONT) (REAR) DMR-EH57EC/EP/EE,EH575EG Main P.C.B. (RFKB79156BT:EH57EC,RFKB79156CT:EH57EP, RFKB79156RT:EH57EE,RFKB79156AT:EH575EG) (3/4 Section)
  • Page 75 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 13.2.4. Main P.C.B. (4/4 Section) Location Map (FRONT) (REAR) DMR-EH57EC/EP/EE,EH575EG Main P.C.B. (RFKB79156BT:EH57EC,RFKB79156CT:EH57EP, RFKB79156RT:EH57EE,RFKB79156AT:EH575EG) (4/4 Section)
  • Page 76 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 13.2.5. Main P.C.B. Address Information Main P.C.B. Integrated Circuit CL7403 JK3903 LB3006 C1535 C3064 C7308 C7525 C7829 R3988 R7503 R7571 IC1501 CL7404 P1501 LB3007 C1536 C3065 C7309 C7526 C7830 R3989 R7504 R7572 IC1506...

  • Page 77: Hdmi P.c.b

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 13.3. HDMI P.C.B. HDMI P.C.B. (COMPONENT SIDE) (FOIL SIDE) DMR-EH57EC/EP/EE,EH575EG HDMI P.C.B. (VEP73148A)

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

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 13.4. Front Jack P.C.B. and Front (L) P.C.B. Front Jack P.C.B. Front (L) P.C.B. DMR-EH57EC/EP/EE,EH575EG DMR-EH57EC/EP/EE,EH575EG Front Jack P.C.B. Front (L) P.C.B. (VEP73146A) (VEP70187A)

  • Page 79: Atapi P.c.b

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 13.5. ATAPI P.C.B. ATAPI P.C.B. DMR-EH57EC/EP/EE,EH575EG ATAPI P.C.B. (VEP70194A)
  • Page 80 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG...

  • Page 81: Appendix For Schematic Diagram

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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.
  • Page 83 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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...
  • Page 84 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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.

  • Page 85: Waveform Chart

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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)
  • Page 86 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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...
  • Page 87 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 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...

  • Page 88: Parts And Exploded Views

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 15 Parts and Exploded Views 15.1. Exploded Views 15.1.1. Casing Parts & Mechanism Section...
  • Page 89 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 15.1.2. Packing & Accessories Section...

  • Page 90: Replacement Parts List

    DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG 15.2. Replacement Parts List Ref. No. Part No. Part Name & Remarks Description C3003 F1H1C104A042 16V 0.1U Notes: C3004 F1H1C104A042 16V 0.1U *Important safety notice: C3005 F2A0J471A832 6.3V 470P C3006 F2A0J471A832 6.3V 470P...
  • Page 91 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG Ref. No. Part No. Part Name & Remarks Ref. No. Part No. Part Name & Remarks Description Description C4023 F2A1H1R0A236 50V 1U C7412 ECJ1VB1A105K 10V 1U C4024 F2A1E1010067 25V 100U C7413 ECJ1VB1A105K 10V 1U...
  • Page 92 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG Ref. No. Part No. Part Name & Remarks Ref. No. Part No. Part Name & Remarks Description Description D4005 MA3Z142D0LG DIODE L1504 G0A220GA0026 COIL 22UH D4006 MA3Z142D0LG DIODE L1505 G0A100HA0023 COIL 10UH D7501...
  • Page 93 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG Ref. No. Part No. Part Name & Remarks Ref. No. Part No. Part Name & Remarks Description Description Q4009 2SD132800L TRANSISTOR R3975 D0GB101JA057 1/10W 100 Q4060 2SD1819A0L TRANSISTOR R3976 D0GB101JA057 1/10W 100 Q7403...
  • Page 94 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG Ref. No. Part No. Part Name & Remarks Ref. No. Part No. Part Name & Remarks Description Description R7502 D0GB392JA057 1/10W 3.9K R7612 D0GB562JA057 1/10W 5.6K R7503 D0GB104JA057 1/10W 100K R7614 D0GB470JA057 1/10W 47...
  • Page 95 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG Ref. No. Part No. Part Name & Remarks Ref. No. Part No. Part Name & Remarks Description Description W746 D0YBR0000020 1/10W 0 C1401 F2A0J1220028 6.3V 1200P W747 D0YBR0000020 1/10W 0 C1402 F2A0J3310059 6.3V 330U...
  • Page 96 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG Ref. No. Part No. Part Name & Remarks Ref. No. Part No. Part Name & Remarks Description Description R1208 ERJ6GEYJ222V 1/8W 2.2K D56101 MA2J72800L DIODE R1209 ERJ6GEYJ102V 1/8W 1K R1210 ERJ6GEYJ102V 1/8W 1K...
  • Page 97 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG Ref. No. Part No. Part Name & Remarks Ref. No. Part No. Part Name & Remarks Description Description R56137 ERJ2GE0R00X 1/16W 0 RSC0805 DIGITAL SHIELD R56138 ERJ2GE0R00X 1/16W 0 RHD30152 HDD SCREW R56140 ERJ2GEJ8R2X 1/16W 8.2...
  • Page 98 DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG Ref. No. Part No. Part Name & Remarks Description RQT8899-2H OPERATING (IH)EC INSTRUCTIONS RQT8900-1E OPERATING (II)EC INSTRUCTIONS RQT8901-1M OPERATING (IJ)EC INSTRUCTIONS RQT8902-1J OPERATING (IK)EC INSTRUCTIONS RQT8903-U OPERATING (IL)EP INSTRUCTIONS RQT8904-1R OPERATING (IM)EP INSTRUCTIONS...

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