Panasonic DMR-EH55EC Service Manual
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Panasonic DMR-EH55EC Service Manual

Panasonic DMR-EH55EC Service Manual

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ORDER NO.DSD0603003CE
DVD Recorder
DMR-EH55EC / DMR-EH55EP / DMR-EH56EG
Vol. 1
Colour
(S).......................Silver Type
(K).......................Black Type
SPECIFICATIONS
1

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Summary of Contents for Panasonic DMR-EH55EC

  • Page 1 ORDER NO.DSD0603003CE DVD Recorder DMR-EH55EC / DMR-EH55EP / DMR-EH56EG Vol. 1 Colour (S).......Silver Type (K).......Black Type SPECIFICATIONS...

  • Page 2: Safety Precaution

    2006 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. 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 3: Prevention Of Electrostatic Discharge (Esd) To Electrostatic Sensitive (Es) Devices

    chassis, the reading must be . Figure 1 1.1.2. Leakage current hot check / (See Figure 1 1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check. 2. Connect a 1.5k , 10 watts resistor, in parallel with a 0.15 capacitors, between each exposed metallic part on the set and a good earth ground such as a water pipe, as shown in Figure...
  • Page 4 1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap, which should be removed for potential shock reasons prior to applying power to the unit under test.

  • Page 5: Precaution Of Laser Diode

    2.2. Precaution of Laser Diode 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 6: Service Navigation

    - The lead free solder has to be used when repairing the equipment for which the lead free solder is used. (Definition: The letter of “PbF” is printed on the PCB using the lead free solder.) - To put lead free solder, it should be well molten and mixed with the original lead free solder.

  • Page 7: Specifications

    3.2. Caution for DivX 4. Specifications...

  • Page 9: New Feature

    5. New Feature 5.1. About DivX 5.1.1. General DivX is a new video compressing format that is applied MPEG4 technology to improve image quality and the compressibility, and it is developed by the DivXNetworks, Inc., Video file of high resolution and the high picture quality can be made though it is a high compressibility. DivX codec is necessary for converting video to DivX file and .playback files made.
  • Page 10 5.1.2. Operating Instructions about DivX Video-on-Demand Content DivX Video-on-Demand (VOD) content is encrypted for copyright protection. In order to play DivX VOD content on this unit, you first need to register the unit. Follow the on line instructions for purchasing DivX VOD content to enter unit's registration code and register unit.
  • Page 14 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. 1. Registration Code display function 2.
  • Page 15 Moreover, Registration code is updated by new user authentication ever if same recorder. 2) User's registration and approval function - Only one user can register for one recorder. If user's registration is not done with the recorder, DivX file cannot be played back. - User's registration is performed only when a DivX DRM file is first chosen by recorder - DivX DRM file that can perform user's registration is only a file that...

  • Page 16: Location Of Controls And Components

    Above mentioned stored user information and number of times of playback are not erased by update of firmware or by initialization by test mode. 6. Location of Controls and Components Followings are the Location of Controls and Components for DMR-EH55EC and DMR-EH56EG as a sample. For other model, refer to each Operation Instructions.
  • Page 17 5. Put deck upward, and push out Tray by Eject Pin (JZS0484) or minus screw driver (small).

  • Page 18: Service Mode

    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. You can check latest error code by transmitting [0] [1] of Remote Controller in Service Mode. Automatic Display on FL will be cancelled when the power is turned off or AC input is turned off during self-diagnosis display is ON.
  • Page 19 Error Diagnosis contents Description Monitor Automatic FL display Code Display Remote control code Display appears when main unit No display error and remote controller codes are not matched. “*” is remote controller code of the main unit. Display for 5 seconds. Abnormal inner Display appears when the drive No display...
  • Page 20 Error Diagnosis contents Description Monitor Automatic FL display Code Display Hang-up Displayed when communication No display error has occurred between Main microprocessor and Timer microprocessor. Displayed is left until the [POWER] key is pressed. Inoperative fan motor When inoperative fan motor is No display No display detected after powered on, the...
  • Page 21 Error Diagnosis contents Description Monitor Automatic FL display Code Display Unsupported disc *An unsupported format disc “This disc is UNSUPPORT error was played, although the drive incompatible.” starts normally. *The data format is not supported, although the media type is supported. Display for 5 seconds.
  • Page 22 Error Diagnosis contents Description Monitor Automatic FL display Code Display Unit is in termination Unit is in termination process No display PLEASE process now. WAIT “BYE” is displayed and power will be turned off. In case “Quick Start” of setup menu is ON, it is displayed in restoration operation for AC off.
  • Page 23 Error Diagnosis contents Description Monitor Automatic FL display Code Display Power on Stand-by [HDD NG] is displayed when No display setting error power on Stand-by setting of HDD is NG or when HDD which power on Stand-by is not set to is used.
  • Page 24 Item FL display Key operation Mode name Description Front Key Forced disc eject Removing a disc that cannot be The display before When the power is off, ejected. execution leaves. press [STOP] and [CH UP] keys simultaneously for 5 The tray will open and unit will seconds.
  • Page 25 Item FL display Key operation Mode name Description Front Key Forced power-off When the power button is not Display in P-off mode. Press [Power] key over effective while power is ON, turn than 10 seconds. off the power forcibly. *When Timer REC is ON or EXT- LINK is ON, execute “Forced Power-off”...
  • Page 26 Item FL display Key operation Mode name Description Front Key Aging Perform sequence of modes as * Display following the then When the power is ON, Aging Description shown below mode. press [STOP], [POWER] continually. and [OPEN/CLOSE] simultaneously for over 5 seconds and less than 10 seconds.
  • Page 27 *When releasing Aging mode, press [POWER] key. Item FL display Key operation Mode name Description Front Key Aging Contents (Example):...
  • Page 28 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, lock/unlock press [STOP] and The lock setting is effective until [POWER] keys unlocking the tray and not simultaneously for 5 released by “Main unit seconds.
  • Page 29 Item FL display Key operation Mode name Description Front Key Progressive The progressive setting is The display before When the power is on (E- initialization initialized to Interlace. execution leaves. E mode), press [STOP] and [PLAY] simultaneously for 5 seconds. 8.1.3.
  • Page 30 Item FL display Key operation Mode name Description (Remote controller key) ROM Version 1. Region code (displayed for 5 Press [0] [2] in service Display sec.) mode 2. Main firm version (displayed for 5 sec.) 3. Timer firm version (displayed for 5 sec.) 4.
  • Page 31 Item FL display Key operation Mode name Description (Remote controller key) Magenta Picture Magenta picture is output with *Initial mode is “Interlace”. Press [1] [2] in service Output Component Output from AV mode. Decoder. *Magenta picture (Saturation rate: 100%) Switch Interlace/ Press [1] [4] in Magenta *It is enable to switch Interlace/ Progressive...
  • Page 32 Item FL display Key operation Mode name Description (Remote controller key) I/P Switch Switch Interlace and Progressive Initial mode is Interlace Press [1] [4] in I/P Switch in EE mode. mode. *Initial setting is “Interlace”. *I/P are switched alternately. *This command is effective during executing “White Picture Switch Interlace/ Output”, “Magenta Picture...
  • Page 33 Item FL display Key operation Mode name Description (Remote controller key) HDD READ Perform a complete read When the HDD is OK Press [3] [1] in service inspection inspection of the HDD. mode. *When canceling the checking mode while executing, do “forced If the HDD is defective power-off”.
  • Page 34 Item FL display Key operation Mode name Description (Remote controller key) Laser Used Time Check laser used time (hours) of Press [4] [1] in service Indiction drive. mode. (*****) is the used time display in hour. Laser used time of DVD / CD in Playback/ Recording mode is counted.
  • Page 35 Item FL display Key operation Mode name Description (Remote controller key) RAM Drive Last RAM Drive error code display. 1. Error Number is Press [4] [2] in service Error displayed for 5 seconds. mode. *For details about the drive error code, refer to the Service Manual When “INFO******”...
  • Page 36 seconds. 6. Disc Maker ID is displayed for 5 seconds. In case that the maker cannot be identified, display is black out. 7. Factor of Drive Error occurring is left displayed...
  • Page 37 Item FL display Key operation Mode name Description (Remote controller key) Delete the Last Delete the Last Drive Error Press [9] [6] in service Drive Error information stored on the DVD mode. RAM-Drive. Laser power Drive state is judged based on confirmation difference between laser power into RAM Drive in service mode.
  • Page 38 Item FL display Key operation Mode name Description (Remote controller key) Front connection Press all front keys and check Press [5] [4] in service inspection the connection between Main mode. P.C.B. and Front key Switches. (1) Each time a key is pressed, segment turned on increases one by one.
  • Page 39 Item FL display Key operation Mode name Description (Remote controller key) Display the Error Display the Error History stored Display reason of error for Press [6] [5] in service History on the unit. 5 seconds. mode. Then press [0] [1] ~ [1] [9], the past 19 error histories are displayed.
  • Page 40 DD: Day hh: Hour mm: Minute Accumulated working time till occuring of the error is left displayed. (Indicating unit: Second)
  • Page 41 Item FL display Key operation Mode name Description (Remote controller key) Delete the Error Delete Error History information Press [9] [7] in service History stored on the unit. mode. SD card WRITE Delete Error History information When the WRITE check is Insert a SD card to SD check stored on the unit.
  • Page 42 Item FL display Key operation Mode name Description (Remote controller key) AV2(RGB)/AV1(V) I Set input to AV2 (RGB) and set Press [8] [3] in service /O Setting output to AV1 (V) for I/O checking mode. P50(H) Output Timer Microprocessor IC7501-76 When OK.

  • Page 43: Service Fixture And Tools

    Item FL display Key operation Mode name Description (Remote controller key) Initialize Service Last Drive Error, Error history Press [9] [9] in service and Error Codes stored on the mode. unit are initialized to factory setting. Finishing service Release Service Mode. Display in STOP (E-E) Press power button on mode...

  • Page 44: Disassembly Flow Chart

    10. Disassembly and Assembly Instructions 10.1. 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. 10.2.
  • Page 45 the Top Case a little and lift the Top Case in the direction of the arrows. 10.4. Front Panel 1. Unlock 6 tabs in (A) - (F) turn. Pull with the front panel in the direction of your side. 10.5. SD Card P.C.B. 1.
  • Page 46 10.6. RAM/Digital P.C.B. Module 1. Remove 1 FFC and Screws (A). 2. Lift up Digital P.C.B. slightly so to disconnect Connectors to remove Digital P.C.B.
  • Page 47 3. Put Digital P.C.B. on RAM Drive and remove RAM/Digital P.C.B. Module. Note: RAM/Digital P.C.B. Module as service part has no heat sink unit. Before returning to customer, heat sink unit should be installed on Digital P.C.B..
  • Page 48 10.7. DV Jack P.C.B. 1. Remove 1 Screw (A) to remove DV Jack P.C.B. 10.8. HDD...
  • Page 49 1. Remove ATAPI Connector and HDD Power Connector. 2. Remove 4 Screws (A) to remove HDD Angle with HDD.
  • Page 50 3. Put HDD with HDD Angle up and down inversely so as not to give a shock to HDD. 4. Remove 4 screws (A) remove HDD.
  • Page 51 10.9. Rear Panel 1. Disconnect Fan Connector. 2. Remove 6 Screws (A) and 1 Screw (B). 3. Unlock 2 Locking Tabs (A) to remove Rear Panel.
  • Page 52 10.9.1. Fan Motor 1. Disconnect Fan Connector and remove 2 Screws (A). 2. Push and unlock 2 Locking Tabs (A) to remove Fan Motor. 10.10. Power P.C.B. 1. Remove 1 Screw (A). 2. Remove 3 Screws (B) and disconnect Connector (A) to remove Power P.C.B..
  • Page 53 10.11. Main P.C.B. and Front (L) P.C.B. 1. Remove 1 Screw (A). 2. Remove 4 Screws (A) and 1 Screw (B). 3. Remove Digital Angle to remove Main P.C.B. and Front (L) P.C.B..

  • Page 54: Measurements And Adjustments

    10.12. Tuner P.C.B. 1. Pull out the Tuner P.C.B. in the direction of the arrow. 11. Measurements and Adjustments 11.1. Service Positions Note: For description of the disassembling procedure, see the section 10. 11.1.1. Checking and Repairing of Power P.C.B.
  • Page 55 11.1.2. Checking and Repairing of RAM / Digital P.C.B. Module...
  • Page 56 11.1.3. Checking and Repairing of Main P.C.B.
  • Page 57 11.1.4. Checking and Repairing of HDD...

  • Page 58: Caution For Replacing Parts

    11.2. Caution for Replacing Parts 11.2.1. Items that should be done after replacing parts...
  • Page 59 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. (3) Initial settings and contents of reservation will not change if writing is normally completed.

  • Page 60: Standard Inspection Specifications After Making Repairs

    3. Turn on power of DVD Recorder. 4. After [PLEASE WAIT] is displayed on FL., [HDD ERR] is displayed on FL. 5. Tray opens automatically. 6. Insert updating disc for Firmware and press OPEN/CLOSE key. (If a wrong disc was inserted, [NG DISK] [NO FVU] is displayed on FL.) 7.

  • Page 61: Power Supply Block Diagram

    Turn on the power, and confirm items pointed Items pointed out should reappear. out. Insert RAM disc. The Panasonic RAM disc should be recognized. Enter the EE (TU IN / AV IN - AV OUT) mode. No abnormality should be seen in the picture, sound or operation.

  • Page 62: Schematic Diagram

    12.2. Analog Video Block Diagram 12.3. Analog Audio Block Diagram 12.4. Analog Timer Block Diagram 13. Schematic Diagram 13.1. Interconnection Schematic Diagram 13.2. Power Supply Schematic Diagram 13.3. Main Net (1/4) Section (Main P.C.B. (1/4)) Schematic Diagram 13.4. Main Net (2/4) Section (Main P.C.B. (1/4)) Schematic Diagram 13.5.

  • Page 63: Printed Circuit Board

    13.18. Front (L) Schematic Diagram 13.19. DV Jack Schematic Diagram 14. Printed Circuit Board 14.1. Power P.C.B. 14.2. Main P.C.B. 14.2.1. Main P.C.B. (1/4 Section) 14.2.2. Main P.C.B. (2/4 Section) 14.2.3. Main P.C.B. (3/4 Section) 14.2.4. Main P.C.B. (4/4 Section) 14.2.5.
  • Page 64 INITIAL/LOGO ABBREVIATIONS A0~UP ADDRESS ACLK AUDIO CLOCK AD0~UP ADDRESS BUS ADATA AUDIO PES PACKET DATA ADDRESS LATCH ENABLE AMUTE AUDIO MUTE AREQ AUDIO PES PACKET REQUEST AUDIO RF SERVO AMP INVERTED INPUT SERVO AMP OUTPUT ASYNC AUDIO WORD DISTINCTION SYNC BIT CLOCK (PCM) BCKIN BIT CLOCK INPUT...
  • Page 65 INITIAL/LOGO ABBREVIATIONS DACCK D/A CONVERTER CLOCK DEEMP DEEMPHASIS BIT ON/OFF DEMPH DEEMPHASIS SWITCHING DIG0~UP FL DIGIT OUTPUT DATA INPUT DMSRCK DM SERIAL DATA READ CLOCK DMUTE DIGITAL MUTE CONTROL DROP OUT DOUT0~UP DATA OUTPUT DATA SLICE RF (BIAS) DROP OUT SIGNAL DRPOUT DATA REQUEST DREQ...
  • Page 66 INITIAL/LOGO ABBREVIATIONS IECOUT IEC958 FORMAT DATA OUTPUT IPFRAG INTERPOLATION FLAG IREF I (CURRENT) REFERENCE ISEL INTERFACE MODE SELECT LDON LASER DIODE CONTROL LASER POWER CONTROL LRCK L CH/R CH DISTINCTION CLOCK MA0~UP MEMORY ADDRESS MEMORY CLOCK MCKI MEMORY CLOCK INPUT MCLK MEMORY SERIAL COMMAND CLOCK...
  • Page 67 INITIAL/LOGO ABBREVIATIONS READ ENABLE RFENV RF ENVELOPE RF PHASE DIFFERENCE OUTPUT (CD-ROM) REGISTER SELECT RSEL RF POLARITY SELECT RESET RESERVE SBI0, 1 SERIAL DATA INPUT SBO0 SERIAL DATA OUTPUT SBT0, 1 SERIAL CLOCK SERIAL DATA CLOCK SCKR AUDIO SERIAL CLOCK RECEIVER SERIAL CLOCK SCLK...
  • Page 68 SUB CODE Q DATA SYSCLK SYSTEM CLOCK 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...

  • Page 69: Parts And Exploded Views

    INITIAL/LOGO ABBREVIATIONS X' TAL XALE X ADDRESS LATCH ENABLE XAREQ X AUDIO DATA REQUEST XCDROM X CD ROM CHIP SELECT X CHIP SELECT XCSYNC X COMPOSITE SYNC X DATA STROBE XHSYNCO X HORIZONTAL SYNC OUTPUT XHINT XH INTERRUPT REQUEST X' TAL OSCILLATOR INPUT XINT X INTERRUPT X MEMORY WRITE ENABLE...
  • Page 70 16.1.2. Packing & Accessories Section...

  • Page 71: Replacement Parts List

    16.2. Replacement Parts List Notes: *Important safety notice: Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc. are used. When replacing any of components, be sure to use only manufactures specified parts shown in the parts list.
  • Page 72 *Resistance values are in ohms, unless specified otherwise, 1K=1,000 (OHM), 1M=1,000k (OHM). *The marking (RTL) indicates the retention time is limited for this item. After the discontinuation of this assembly in production, it will no longer be available. *“(IA)-(IH)”, marks in Remarks indicate languages of instruction manuals. [(IA): Polish, (IB): English, (IC): German, (ID): Italian, (IE): Dutch, (IF): French, (IG): Spanish, (IH): Swedish/ Danish] *Parts indicated with PAVC-CSG in the Remarks column are supplied by PAVC-CSG.
  • Page 73 Ref. No. Part No. Part Name & Description Remarks C3009 F2A1A4710038 10V 470U C3010 F2A1A1010072 10V 100U C3011 F1H1C104A042 16V 0.1U C3012 F2A1A4710038 10V 470U C3013 F2A1A1010072 10V 100U C3014 F1H1C104A042 16V 0.1U C3015 F1H1C104A042 16V 0.1U C3016 F1H1C104A042 16V 0.1U C3017 F1H1C104A042 16V 0.1U...
  • Page 74 Ref. No. Part No. Part Name & Description Remarks C3962 ECJ1VC1H221J 50V 220P C4003 F1H0J1050012 6.3V 1U C4005 F2A1V100A534 35V 10U C4006 F2A1V100A534 35V 10U C4008 F2A1E1010067 25V 100U C4019 F2A1V100A534 35V 10U C4021 F2A1V100A534 35V 10U C4023 F2A1H1R0A638 50V 1U C4024 F2A1E1010067 25V 100U...
  • Page 75 Ref. No. Part No. Part Name & Description Remarks C7317 ECA1CAK470XB 16V 47U C7318 ECA1CAK100XB 16V 10U ECS,ECK C7323 F1H1H1020005 50V 0.001U EPS,EPK,ECS,ECK C7324 F1H1C104A008 16V 0.1U EPS,EPK,ECS,ECK C7324 F1H1H1030006 50V 0.01U EGS,EGK C7325 F1H1H1030006 50V 0.01U EGS,EGK C7326 ECJ1VB1A474K 10V 0.47U EGS,EGK C7327...
  • Page 76 Ref. No. Part No. Part Name & Description Remarks C7522 F1H1H1010005 50V 100P C7523 F1H1H1030006 50V 0.01U C7524 F1H1C104A042 16V 0.1U C7528 F1H1C104A042 16V 0.1U C7531 ECJ1VC1H100D 50V 10P C7532 ECJ1VC1H100D 50V 10P C7534 F1H1H1030006 50V 0.01U C7541 F1H1H4700004 50V 47P C7542 F1H1C104A042 16V 0.1U...
  • Page 77 Ref. No. Part No. Part Name & Description Remarks IC1505 C0CBCBC00174 IC1506 C0DAEYH00002 IC1507 C0CBCDD00027 IC1510 C0CBCDG00006 IC1520 C0CBCDC00052 IC1521 C0CBCBD00048 IC1522 C0EBJ0000143 IC3001 C1AB00002379 IC4009 C0ABBB000216 IC4011 C0DBAHD00013 IC4012 C0ABBB000118 IC4901 B3ZAZ0000017 IC7301 C0ZBZ0001081 EGS,EGK IC7301 C1AB00002225 EPS,EPK,ECS,ECK IC7302 C0EAH0000051 EPS,EPK,ECS,ECK IC7401...
  • Page 79 Ref. No. Part No. Part Name & Description Remarks LB1502 J0JKB0000003 COIL LB1503 J0JKB0000003 COIL LB1504 J0JKB0000003 COIL LB1506 J0JKB0000003 COIL LB3001 J0JGC0000020 COIL LB3002 J0JGC0000020 COIL LB3003 J0JGC0000020 COIL LB3005 J0JBC0000011 COIL LB3006 J0JBC0000019 COIL LB3007 J0JBC0000011 COIL LB3008 J0JBC0000019 COIL LB3009...
  • Page 80 Ref. No. Part No. Part Name & Description Remarks P1501 K1KA23A00003 CONNECTOR(23P) P1503 K1KA04AA0180 CONNECTOR(4P) P7402 K1KA88A00002 CONNECTOR(88P) PP7401 K1KA18AA0288 CONNECTOR(18P) Q1501 B1DHED000008 TRANSISTOR Q1509 B1DHED000008 TRANSISTOR Q4006 2SD132800L TRANSISTOR Q4007 2SD132800L TRANSISTOR Q4008 2SD132800L TRANSISTOR Q4009 2SD132800L TRANSISTOR Q7401 2SD1819ARL TRANSISTOR Q7402...
  • Page 81 Ref. No. Part No. Part Name & Description Remarks R3007 D0GB330JA057 1/10W 33 R3008 D0GB102JA057 1/10W 1K R3009 D0GB104JA057 1/10W 100K R3054 D0GB750JA057 1/10W 75 R3055 D0GB750JA057 1/10W 75 R3056 D0GB750JA057 1/10W 75 R3057 D0GB750JA057 1/10W 75 R3058 D0GB750JA057 1/10W 75 R3059 D0GB750JA057 1/10W 75...
  • Page 82 Ref. No. Part No. Part Name & Description Remarks R4013 D0GB823JA057 1/10W 82K R4046 D0HB682ZA002 1/16W 6.8K R4047 D0HB682ZA002 1/16W 6.8K R4055 D0HB123ZA002 1/16W 12K R4057 D0HB123ZA002 1/16W 12K R4066 D0HB103ZA002 1/10W 10K R4067 D0HB103ZA002 1/10W 10K R4071 D0GB473JA057 1/10W 47K R4074 D0GB473JA057 1/10W 47K...
  • Page 83 Ref. No. Part No. Part Name & Description Remarks R7411 D0GB472JA057 1/10W 4.7K R7412 D0GB472JA057 1/10W 4.7K R7414 D0GB472JA057 1/10W 4.7K R7444 ERJ3RED300V 1/16W 30 R7445 ERJ3RBD682V 1/16W 6.8K R7446 ERJ3RBD202V 1/16W 2K R7448 D0GB182JA057 1/10W 1.8K R7501 D0GB102JA057 1/10W 1K R7502 D0GB392JA057 1/10W 3.9K...
  • Page 84 Ref. No. Part No. Part Name & Description Remarks R7577 D0GB103JA057 1/10W 10K R7579 D0GB223JA057 1/10W 22K R7582 D0GB104JA057 1/10W 100K R7583 D0GB472JA057 1/10W 4.7K R7584 D0GB473JA057 1/10W 47K R7585 D0GB225JA057 1/10W 220K R7586 D0GB273JA057 1/10W 27K R7587 D0GB224JA057 1/10W 220K R7588 D0GB104JA057 1/10W 100K...
  • Page 85 Ref. No. Part No. Part Name & Description Remarks W502 D0YBR0000020 1/10W 0 W503 D0YBR0000020 1/10W 0 W504 D0YBR0000020 1/10W 0 W505 D0YBR0000020 1/10W 0 W506 D0YBR0000020 1/10W 0 W507 D0YBR0000020 1/10W 0 W508 D0YBR0000020 1/10W 0 W509 D0YBR0000020 1/10W 0 W510 D0YBR0000020 1/10W 0...
  • Page 86 Ref. No. Part No. Part Name & Description Remarks C7821 F1H1H1030006 50V 0.01U C7822 F1H1H1030006 50V 0.01U C7824 F2A0J470A599 6.3V 47U C7825 F1H1H1010005 50V 100P EPS,EPK C7828 F1H1H1030006 50V 0.01U C7838 F2A1E4700048 25V 47U ECS,ECK D7802 B0BA03000015 DIODE K7808 D0YBR0000020 1/10W 0 K7809 D0YBR0000020...
  • Page 87 Ref. No. Part No. Part Name & Description Remarks W520 D0YBR0000020 1/10W 0 W521 ERJ8GEY0R00V 1/4W 0 W523 ERJ6GEY0R00Z 1/8W 0 W524 D0YBR0000020 1/10W 0 W525 D0YBR0000020 1/10W 0 W526 D0YBR0000020 1/10W 0 W527 D0YBR0000020 1/10W 0 W529 D0YBR0000020 1/10W 0 W530 ERJ6GEY0R00Z 1/8W 0...
  • Page 88 Ref. No. Part No. Part Name & Description Remarks C1606 ECJGVB1H103K 50V 0.01U C1607 F2A1A6810022 10V 680P C1608 F1J1E104A081 25V 0.1U C1701 F2A1E2210050 25V 220U C1702 F1H1C104A042 16V 0.1U C1703 F1H1C104A042 16V 0.1U C1704 F1H1C104A042 16V 0.1U C1705 ECJ1VC1H181J 50V 180P C1706 F1H1H1030006 50V 0.01U...
  • Page 89 Ref. No. Part No. Part Name & Description Remarks R1150 ERJ6GEYJ180V 1/8W 18 R1151 ERJ6GEYJ682V 1/8W 6.8K R1152 ERJ6GEYJ103V 1/8W 10K R1153 ERJ6GEYJ180V 1/8W 18 R1154 ERJ6GEYG912V 1/8W 9.1K R1155 ERJ6GEYG752V 1/8W 7.5K R1156 ERJ6GEYG163V 1/8W 16K R1157 ERJ6GEYG511V 1/8W 510 R1158 ERX2SJR22E 2W 22...
  • Page 90 Ref. No. Part No. Part Name & Description Remarks R6805 D0GB123JA057 1/10W 12K R6807 D0GB223JA057 1/10W 22K RX6801 EXB38V220JV RESISTOR-RESISTOR RX6802 EXB38V123JV RESISTOR-RESISTOR VEP70161A FRONT(L) P.C.B. (RTL) S7002 EVQ11A04M SWITCH,POWER VEP73135A DV JACK P.C.B. (RTL) P37001 K1KA06B00181 CONNECTOR(6P) P37002 K2HZ104B0012 CONNECTOR(104P) CASING/ACCESSORY/PACKING VEP70161A...
  • Page 91 Ref. No. Part No. Part Name & Description Remarks 18-5 VMB3410 BLINDER SPRING 18-6 RHD26045 SCREW 18-7 RKF0754-K SD BLINDER 18-8 RMB0841 SD LID SPRING 18-9 RMR1767-K SD CHASSIS RHD30113 SCREW EPS,ECS,EGS RHD30113-1K SCREW EPK,ECK,EGK RFKV0069HDK HDD 160GB RKM0552A-K TOP CASE EPK,ECK,EGK RKM0552A-S TOP CASE...

  • Page 92: Schematic Diagram For Printing With A4

    Ref. No. Part No. Part Name & Description Remarks RQT8421-J OPERATING INSTRUCTIONS (IH)ECS,ECK RQCC2704 DVD MEDIA SHEET RPG7863 PACKING CASE RPG8017 PACKING CASE RPG7862 PACKING CASE RPG7983 PACKING CASE RPG7910 PACKING CASE RPG7984 PACKING CASE RPN1859-1 CUSHION RPFD0004 MIRAMAT BAG RPN1903 FANBAG CUSHION ECS,ECK...
  • Page 93 Main P.C.B. Integrated Circuit CL7508 LB3002 C1521 C3915 C7317 C7552 R3928 R7325 R7575 IC1505 TL3001 LB3003 C1522 C3916 C7318 C7553 R3929 R7326 R7576 IC1506 TL7401 LB3005 C1523 C3917 C7323 C7554 R3930 R7401 R7577 IC1507 TL7402 LB3006 C1524 C3918 C7324 C7555 R3932 R7402 R7579...
  • Page 94 Location Map (REAR) (FRONT) DMR-EH55EC/EP,EH56EG Main P.C.B. (RFKB79119HT:EH55EC, RFKB79119JT:EH55EP, RFKB79119GT: EH56EG) (1/4 Section)
  • Page 95 Location Map (REAR) (FRONT) DMR-EH55EC/EP,EH56EG Main P.C.B. (RFKB79119HT:EH55EC, RFKB79119JT:EH55EP, RFKB79119GT: EH56EG) (2/4 Section)
  • Page 96 Main P.C.B. (EC/EP) (EG) (EC/EP) (EG) (EC) Location Map (REAR) (FRONT) DMR-EH55EC/EP,EH56EG Main P.C.B. (RFKB79119HT:EH55EC, RFKB79119JT:EH55EP, RFKB79119GT: EH56EG) (3/4 Section)
  • Page 97 (EG) (EC/EP) (EC/EP) (EG) (EG) (EC/EP) (EG) (EG) (EC/EP) (EC) (EG) Location Map (REAR) (FRONT) DMR-EH55EC/EP,EH56EG Main P.C.B. (RFKB79119HT:EH55EC, RFKB79119JT:EH55EP, RFKB79119GT: EH56EG) (4/4 Section)
  • Page 98 Power P.C.B. P1101 L1120 C1143 C1701 R1201 R1802 P1102 L1270 C1150 C1702 R1205 R1803 Varistor P1103 L1400 C1151 C1703 R1206 Diode L1601 C1152 C1704 R1207 VA1110 D1140 L1701 C1153 C1705 R1208 D1151 LB1122 C1154 C1706 R1209 DMR-EH55EC/EP,EH56EG Power P.C.B. (VEP71110A)
  • Page 99 Front (L) P.C.B. SD Card P.C.B. DMR-EH55EC/EP,EH56EG DMR-EH55EC/EP,EH56EG SD Card P.C.B. Front (L) P.C.B. (VEP73136A) (VEP70161A)
  • Page 100 DV Jack P.C.B. Tuner P.C.B. (EP) (EP) (EC/EG) (EC) DMR-EH55EC/EP,EH56EG Tuner P.C.B. ( VEP07A91B:EH55EC, DMR-EH55EC/EP,EH56EG VEP07A91D:EH55EP, DV JACK P.C.B. VEP07A91A:EH56EG) (VEP73135A)
  • Page 101 QR4003 XDMUTE UNR521100L (UN5211-TX) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. DMR-EH55EC/EP,EH56EG A/V I/O SECTION THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE (3/4) A/V I/O(1/4) Section SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 102 LB3007 J0JBC0000011 C3059 1000P R4007 82K C3060 LB3008 470P J0JBC0000019 DMR-EH55EC/EP,EH56EG F G H N O P Q R S Z AA AB AC AD AE AG AH AI AJ AK AL AM A/V I/O SECTION A/V I/O(2/4) Section (4/4) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
  • Page 103 DE:Nicam Decoder Section:(Page: 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 DMR-EH55EC/EP,EH56EG T:Timer Section:(Page: SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. A/V I/O(3/4) Section (Main P.C.B.(2/4))
  • Page 104 LOCATION MAP M:Main Net Section:(Page: AV:A/V I/O Section:(Page: DE:Nicam Decoder Section:(Page: DMR-EH55EC/EP,EH56EG T:Timer Section:(Page: NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. A/V I/O(4/4) Section THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 105 100P(EXCEPT EG) R7317 AV:A/V I/O Section:(Page: DE:Nicam Decoder Section:(Page: T:Timer Section:(Page: DMR-EH55EC/EP,EH56EG Nicam Decoder Section NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. (Main P.C.B.(3/4)) THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 106 TPB- TPB+ TPB- NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. DMR-EH55EC/EP,EH56EG THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. DV Jack Schematic Diagram...
  • Page 107 (TIMER(4/4) SECTION) JW7001 [VWJ02F0060VV] KEY3_POWER NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. DMR-EH55EC/EP,EH56EG THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. Front(L) Schematic Diagram...
  • Page 108 Detail Block Diagram REFERENCE IC1510 Detail Block Diagram Vref CURRENT IC1520 Detail Block Diagram LIMITTER THERMAL IC1521 Detail Block Diagram SHUTDOWN IC1522 Detail Block Diagram IC7401 Detail Block Diagram IC7402 Detail Block Diagram VOUT IC7403 Detail Block Diagram DMR-EH55EC/EP,EH56EG IC-Detail Block Diagram...
  • Page 109 AV1 Lch MUTE IIC BUS (SW10) LOGIC BIAS AV2 R/C CLAMP TUN Rch TUNER AV2 G TUN Lch CLAMP CLAMP AV2 B CLAMP RF OUT MUTE AV2 V/Y CLAMP IC3001 Detail Block Diagram IC4011 Detail Block Diagram DMR-EH55EC/EP,EH56EG IC-Detail Block Diagram...
  • Page 110 Ref.No. Ref.No.50000,53000,54000, Digital 55000,57000 SERIES Main Net Ref.No.1500,7400 SERIES P.C.B. Main A/V I/O Ref.No.3000,3900,4000,4900 SERIES Audio I/O Ref.No.54000 SERIES RESET- P.C.B. Nicam Decoder Ref.No.7300 SERIES D Net/EPG Ref.No.59000 SERIES Timer Ref.No.7500 SERIES Model Select Ref.No.59000 SERIES DMR-EH55EC/EP,EH56EG Interconnection Schematic Diagram...
  • Page 111 LB1504 X_SW5R8VT J0JKB0000003 X_SW5R8V X_SW5R8V X_SW5R8V X_SW5R8V LB1502 J0JKB0000003 G1501$ X_SW12V X_SW12V C1518 C1515 10V100 X_SW12V LB1506 F2A1E4700048 X_SW12V J0JKB0000003 X_SW3R8V X_SW3R8V P_ON_H X_SW3R8V P_SAVE_L FANLOCK DMR-EH55EC/EP,EH56EG FAN_GND MAIN NET SECTION FANOUT (3/4) Main Net(1/4) Section (Main P.C.B.(1/4)) Schematic Diagram(M)
  • Page 112 THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE K7403 VWJ0795=10 SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. C7439 Q7402 2SD1819A0L R7446 2000[D] UNREG_38V DMR-EH55EC/EP,EH56EG Main Net(2/4) Section MAIN NET SECTION (4/4) (Main P.C.B.(1/4)) Schematic Diagram(M)
  • Page 113 AV:A/V I/O Section:(Page: 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 DMR-EH55EC/EP,EH56EG DE:Nicam Decoder Section:(Page: SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. Main Net(3/4) Section T:Timer Section:(Page: (Main P.C.B.(1/4))
  • Page 114 K9ZZ00001279 LOCATION MAP M:Main Net Section:(Page: AV:A/V I/O Section:(Page: DMR-EH55EC/EP,EH56EG DE:Nicam Decoder Section:(Page: NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. Main Net(4/4) Section THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE T:Timer Section:(Page: SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 115 V5/PWON VREF/SS TIMER OCP THRESHOLD COMPARATOR ON WIDTH TIMER DMR-EH55EC/EP,EH56EG IMPORTANT SAFETY NOTICE: NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. SOURCE COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY. /OCL THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE Power Supply Schematic Diagram WHEN REPLACING ANY OF THESE COMPONENTS.ONLY THE SAME TYPE.
  • Page 116 SDAT1 R6805 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 DMR-EH55EC/EP,EH56EG SLIGHTLY DIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. SD Card Schematic Diagram...
  • Page 117 ERJ3GEY0R00V C7520 C7534 0.01 NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. DMR-EH55EC/EP,EH56EG TIMER SECTION THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE (3/4) TIMER(1/4) Section SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 118 WHEN REPLACING ANY OF THESE COMPONENTS.ONLY THE SAME TYPE. C7577 R7619 IC7505 RESET IC-DETAIL BLOCK DIAGRAM D7509 B0JDCE000002 X_SW_5R2V Vref R7623 R7621 100K C7584 F4D55473A013 DMR-EH55EC/EP,EH56EG M N O P Q TIMER SECTION TIMER(2/4) Section (4/4) (Main P.C.B.(4/4)) Schematic Diagram(T)
  • Page 119 DE:Nicam Decoder Section:(Page: 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 DMR-EH55EC/EP,EH56EG T:Timer Section:(Page: SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. TIMER(3/4) Section (Main P.C.B.(4/4))
  • Page 120 A-IN A+IN M:Main Net Section:(Page: AV:A/V I/O Section:(Page: DE:Nicam Decoder Section:(Page: DMR-EH55EC/EP,EH56EG T:Timer Section:(Page: NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. TIMER(4/4) Section THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 121 1000(EP) R7844 680(EP) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. DMR-EH55EC/EP,EH56EG THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. Tuner Pack Schematic Diagram...

  • Page 122: Interconnection Schematic Diagram

    13 Schematic Diagram 13.1. Interconnection Schematic Diagram JW7001 JW7501 KEY3_POWER KEY3_POWER FRONT(L) P.C.B. P7402 P59001 DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND P1102 P1501 DGND DGND DGND DGND X_SW5R8VT X_SW5R8VT DGND DGND X_SW5R8V X_SW5R8V DGND DGND X_SW5R8V X_SW5R8V MAIN P.C.B.
  • Page 123 DGND FP50004 DD10 B_IN R_IN OPEN_SW PHOTO_LED CARTRIGE REC INH RESET- CLOSE SW P.C.B.Name Circuit Name Ref.No. Ref.No.50000 SERIES Ref.No.50000,53000,54000, Digital 55000,57000 SERIES P.C.B. Audio I/O Ref.No.54000 SERIES D Net/EPG Ref.No.59000 SERIES Model Select Ref.No.59000 SERIES DMR-EH55EC/EP,EH56EG Interconnection Schematic Diagram...

  • Page 124: Power Supply Schematic Diagram

    13.2. Power Supply Schematic Diagram LB1122 C1125 VWJ0795=5 ECKWNA102MEV ZA1103 ZA1104 D1140 EYF52BCY EYF52BCY B0EDKT000009 #K3GE1ZA00010 #K3GE1ZA00010 (S1WBA80-7062) L1120 G0B233D00001 K1122 C1121 VWJ0795=10 F1101 ECQU2A223MLC T1150 K5D202BK0005 ETS28BF1W6AD 250V T2AL P1101 K2AA2H000007 K1123 SEE THE VWJ0795=10 SERVICE MANUAL LB1123 VWJ0795=5 R1153 18[22] LB1126...
  • Page 125 IC1601 C0DBAZZ00132 C0DBAZZ00132 (AL1014) (AL1014) DMR-EH55EC/EP,EH56EG NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY. THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE Power Supply Schematic Diagram E COMPONENTS.ONLY THE SAME TYPE.

  • Page 126: Main Net (1/4) Section (Main P.c.b. (1/4)) Schematic Diagram (M)

    13.3. Main Net (1/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M) LOCATION MAP X_SW_3R3V RESET_5R2V M:Main Net Section:(Page: AV:A/V I/O Section:(Page: DE:Nicam Decoder Section:(Page: T:Timer Section:(Page: 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 127 TUREG5V X_SW5R2V IC1510 C0CBCDG00006 (PG050DNA1ZPH) X_SW3R3 ANA5V ANA3R3V DMR-EH55EC/EP,EH56EG TION Main Net(1/4) Section (Main P.C.B.(1/4)) Schematic Diagram(M)

  • Page 128: Main Net (2/4) Section (Main P.c.b. (1/4)) Schematic Diagram (M)

    13.4. Main Net (2/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M) ZJ7402 K9ZZ00001279 QR7401 UNR521300L (UN5213-TX) IC7401 PS11R6V C0CBCYG000 (PQ200WNA1Z K7403 VWJ0795=10 C7439 R7446 2000[D] MAIN NET SECTION (4/4)
  • Page 129 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 7403 SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. J0795=10 Q7402 2SD1819A0L R7446 2000[D] UNREG_38V DMR-EH55EC/EP,EH56EG Main Net(2/4) Section (Main P.C.B.(1/4)) Schematic Diagram(M)

  • Page 130: Main Net (3/4) Section (Main P.c.b. (1/4)) Schematic Diagram (M)

    13.5. Main Net (3/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M) MAIN NET SECTION (1/4) ANA5V P_OFF_L DR_P_ON_H HDD_PFAIL DR12V Q1509 B1DHED000008 (UPA1717G-E1-A) ZJ7401 SOURSE K9ZZ00001279 DRAIN SOURSE DRAIN SOURSE L1504 DRAIN VWJ0795 GATE DRAIN R1502 Q1501 B1DHED00008 VOUT SOURSE DRAIN SOURSE DRAIN...
  • Page 131 J0JCC0000103 DRAIN BPBOUT_DM DGND V_YIN_DM DGND C1549 CPNCIN_DM 16V120 DGND C1548 16V120 BS_ON C1521 16V120 DGND G_IN DGND B_IN ZJ7406 K9ZZ00001279 M:Main Net Section:(Page: AV:A/V I/O Section:(Page: DMR-EH55EC/EP,EH56EG DE:Nicam Decoder Section:(Page: Main Net(3/4) Section T:Timer Section:(Page: (Main P.C.B.(1/4)) Schematic Diagram(M)

  • Page 132: Main Net (4/4) Section (Main P.c.b. (1/4)) Schematic Diagram (M)

    13.6. Main Net (4/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M) MAIN NET SECTION (2/4) R7405 Q7401 ERDS2TJ471T 2SD1819AWL R7404 D7403 MA2C165001VT (MA165TA5VT) L7402 G0A220GA0026 R7406 470K LB7407 J0JKB0000012 QR7403 QR74 UNR521500L UNR521 R7403 TO P59001 C7414 C7415 DIGITAL P.C.B. F1H1A105A028 F1K1C105A026 (MODEL SELECT SECTION)
  • Page 133 UNR521500L TL7401 LOCATION MAP Net Section:(Page: I/O Section:(Page: DMR-EH55EC/EP,EH56EG am Decoder Section:(Page: NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. Main Net(4/4) Section THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE Section:(Page: SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 134 IC1510 IC1505 TU +5V SWITCHING REGULATOR XSW +3.3V SWITCHING REGULATOR IC-DETAIL BLOCK DIAGRAM IC-DETAIL BLOCK DIAGRAM Vout VOUT CONT IC1520 IC1506 ANA +5V SWITCHING REGULATOR DR +5V SWITCHING REGULATOR IC-DETAIL BLOCK DIAGRAM IC-DETAIL BLOCK DIAGRAM VOUT VOUT SENSE ON: H ON/OFF REG.
  • Page 135 IC1506 Detail Block Diagram IC1507 Detail Block Diagram IC1510 Detail Block Diagram IC1520 Detail Block Diagram IC1521 Detail Block Diagram IC1522 Detail Block Diagram IC7401 Detail Block Diagram IC7402 Detail Block Diagram IC7403 Detail Block Diagram DMR-EH55EC/EP,EH56EG IC-Detail Block Diagram...

  • Page 136: A/V I/O (1/4) Section (Main P.c.b. (2/4)) Schematic Diagram (Av)

    13.7. A/V I/O (1/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV) LOCATION MAP C4033 R4046 R4055 C4063 16V22 D0HB682ZA002 D0HB123ZA002 16V22 R4076 G_MIXLOUT_A R4077 M:Main Net Section:(Page: C4060 33P[22] D4005 AV:A/V I/O Section:(Page: MA3Z142D0LG (MA142WA-TX) DE:Nicam Decoder Section:(Page: T:Timer Section:(Page: C4034 R4047 R4057...
  • Page 137 R4088 2700 2700 Q4006 Q4008 2SD132800L 2SD132800L (2SD1328-TX) (2SD1328-TX) R4079 D4006 2700 MA3Z142D0LG Q4007 (MA142WA-TX) 2SD132800L (2SD1328-TX) R4089 2700 Q4009 2SD132800L (2SD1328-TX) R4001 $[ERJ3GEY0R00V] R4081 R4093 R4080 R4074 DMR-EH55EC/EP,EH56EG A/V I/O SECTION (3/4) A/V I/O(1/4) Section (Main P.C.B.(2/4)) Schematic Diagram(AV)

  • Page 138: A/V I/O (2/4) Section (Main P.c.b. (2/4)) Schematic Diagram (Av)

    13.8. A/V I/O (2/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV) C3957 470P R3930 C3958 470P R3989 R3992 R3993 R3991 R3988 R3994 LB3911 R3987 J0JGC0000020 R3990 D3901 MA2C165001VT R3924 R3935 (MA165TA5VT) ERDS2TJ221T JK3901 K1FB242B0005 AV1 2 (TV) (DECODER) R3913 R3912 R3003 F G H N O P...
  • Page 139 C3059 1000P R4007 82K C3060 LB3008 470P J0JBC0000019 DMR-EH55EC/EP,EH56EG Z AA AB AC AD AE AG AH AI AJ AK AL AM A/V I/O(2/4) Section NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. (Main P.C.B.(2/4)) THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 140: A/V I/O (3/4) Section (Main P.c.b. (2/4)) Schematic Diagram (Av)

    13.9. A/V I/O (3/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV) A/V I/O SECTION (1/4) R4003 G_AADC_L_A R4005 G_AADC_R_A G_CIN_DM_A G_V_YIN_DM_A G_SLICER_A G_CSYNC_A G_IIC_CLK_A G_IIC_DATA_A SYNC_DET G_COUT_DM_A G_YOUT_DM_A G_BPBOUT_D_A G_RPROUT_D_A PS_5V G_GPYOUT_D_A PS_11R6V AV2_BLANKING LOCATION MAP M:Main Net Section:(Pa AV:A/V I/O Section:(Pag DE:Nicam Decoder Sec NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING.
  • Page 141 LB3001 J0JGC0000020 Net Section:(Page: O Section:(Page: m Decoder Section:(Page: DMR-EH55EC/EP,EH56EG Section:(Page: A/V I/O(3/4) Section (Main P.C.B.(2/4)) Schematic Diagram(AV)

  • Page 142: A/V I/O (4/4) Section (Main P.c.b. (2/4)) Schematic Diagram (Av)

    13.10. A/V I/O (4/4) Section (Main P.C.B. (2/4)) Schematic Diagram (AV) F G H N O P Q R S Z AA AB AC AD AE C4021 35V10 C4019 35V10 R4006 C4027 50V10 C4067 25V47 R3001 TL3001 1/2REF DT C IN C3935 VCC 5V DT Y IN...
  • Page 143 LOCATION MAP Main Net Section:(Page: A/V I/O Section:(Page: :Nicam Decoder Section:(Page: DMR-EH55EC/EP,EH56EG imer Section:(Page: NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. A/V I/O(4/4) Section THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 144 IC3001 VIDEO/AUDIO PROCESSOR IC-DETAIL BLOCK DIAGRAM (SW1) (SW2) COMP 6MHz 6MHz BIAS 12MHz (SW3) 6MHz CLAMP CLAMP/ BIAS (SW4) 6MHz COMP 12MHz CLAMP (SW6) (SW5) CLAMP/ COMP 6MHz BIAS 12MHz DAC Rch AV1 V CLAMP DAC Lch AV1 Rch (SW7) AV1 Lch AV3 Y CLAMP...
  • Page 145 (SA2R) BUFF. BUFF. AV2 Rch MUTE (SA2L) BUFF. AV2 Lch MUTE OUTPUT SELECT SWITCH (SA3L) (SA4L) ADC Lch ADC Lch (SA5L) BUFF. (SA1L) BUFF. AV1 Lch MUTE MUTE IC3001 Detail Block Diagram IC4011 Detail Block Diagram DMR-EH55EC/EP,EH56EG IC-Detail Block Diagram...

  • Page 146: Nicam Decoder Section (Main P.c.b. (3/4)) Schematic Diagram (De)

    13.11. Nicam Decoder Section (Main P.C.B. (3/4)) Schematic Diagram (DE) IC7301 C7339 RESET ECJ1VC1H090D(EG) IC-DETAIL BLOCK DIAGRAM R7326 L7304 1200(EG) 470u(EG) 0(EXCEPT EG) 2.2u(EXCEPT EG) G_SIFIN_A G_TU_A_IN_A L7302 TU_REG5V VWJ0795(EC) Vref L7303 VWJ0795(EG) LB7303 LB7304 J0JCC0000080 G0C1R0JA0019 J0JHC0000032 (EXCEPT EG) (EXCEPT EG) IC7302 DECODER...
  • Page 147 C7318 0(EC) 16V10(EC) 0(EC) R7317 DMR-EH55EC/EP,EH56EG Nicam Decoder Section NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. (Main P.C.B.(3/4)) THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 148: Timer (1/4) Section (Main P.c.b. (4/4)) Schematic Diagram (T)

    13.12. Timer (1/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T) LOCATION MAP DP7501 A2BD00000145 M:Main Net Section:(Page: AV:A/V I/O Section:(Page: DE:Nicam Decoder Section:(Page: T:Timer Section:(Page: LB7501 ERJ3GEY0R00V BOOSTER+5V Q7502 2SD1819A0L (2SD1819-TX) R7501 Q7504 C7501 R7504 2SD1819A0L F1J0J475A008 (2SD1819-TX) TL750 R7503 C7503 100K F1J0J475A008...
  • Page 149 220u R7508 5600[F] TL7502 M09VT R7648 ERDS2TJ470T C7592 R7608 R7600 R7599 R7598 R7597 F2A0J470A245 43K[F] 8200 8200 8200 C7558 C7557 C7556 0.01 0.01 0.01 C7514 0.01 LB7509 J0JCC0000060 LB7507 ERJ3GEY0R00V C7520 C7534 0.01 DMR-EH55EC/EP,EH56EG TIMER(1/4) Section (Main P.C.B.(4/4)) Schematic Diagram(T)

  • Page 150: Timer (2/4) Section (Main P.c.b. (4/4)) Schematic Diagram (T)

    13.13. Timer (2/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T) L7501 G0C390JA0055 IP7501 ELESN390JA K5H7512A0010 T7501 G4D1A0000117 C7569 R7614 ECQB1H392KF3 QR7508 UNR521400L IC7505 RESET IC-DETAIL BLOCK DIAGRAM Vref R7621 100K M N O P Q TIMER SECTION (4/4)
  • Page 151 IMPORTANT SAFETY NOTICE: C0EBJ0000153 COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY. (BD485G) WHEN REPLACING ANY OF THESE COMPONENTS.ONLY THE SAME TYPE. C7577 R7619 D7509 B0JDCE000002 X_SW_5R2V R7623 R7621 100K C7584 F4D55473A013 DMR-EH55EC/EP,EH56EG TIMER(2/4) Section (Main P.C.B.(4/4)) Schematic Diagram(T)

  • Page 152: Timer (3/4) Section (Main P.c.b. (4/4)) Schematic Diagram (T)

    13.14. Timer (3/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T) TIMER SECTION (1/4) TL7515 R7516 22(EC) R7527 G_CSYNC_A G_CSYNC_IN_A C7518 C7519 C7516 C7517 X7501 R7531 100K H0D100500018 X7502 R7532 3300 H0D100500019 H0A327200108 R7533 C7524 R7534 R7535 R7536 R7537 LB7508 IC7502 ERJ3GEY0R00V C0EBE0000504 R7543...
  • Page 153 SYS2 [53]NC(GND) R7653 [52]NC(OPEN) NC(OPEN) TEST2[H] LB7508 [51]FL_RESET NC(OPEN) HDMI_HOTPLUG ERJ3GEY0R00V NC(OPEN) CL7503 NC(OPEN) R7543 C7551 IIC_CLK R7544 IIC_DATA 42 43 R7520 TL7510 C7532 C7531 Net Section:(Page: O Section:(Page: m Decoder Section:(Page: DMR-EH55EC/EP,EH56EG Section:(Page: TIMER(3/4) Section (Main P.C.B.(4/4)) Schematic Diagram(T)

  • Page 154: Timer (4/4) Section (Main P.c.b. (4/4)) Schematic Diagram (T)

    13.15. Timer (4/4) Section (Main P.C.B. (4/4)) Schematic Diagram (T) M N O P Q TIMER SECTION (2/4) QR75 UNR52 R7586 D7502 R7583 R7584 B0ACCK000005 4700 (1SS355) R7585 R7587 2R2M 220K C7552 R7588 R7589 220P 100K LB7510 ERJ3GEY0R00V R7624 IC7507 EXT_LINK CH_DOW MOTOR DRIVE...
  • Page 155 R7642 5600 Main Net Section:(Page: A/V I/O Section:(Page: :Nicam Decoder Section:(Page: DMR-EH55EC/EP,EH56EG imer Section:(Page: NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. TIMER(4/4) Section THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.

  • Page 156: Tuner Pack Schematic Diagram

    13.16. Tuner Pack Schematic Diagram TO PP7401 MAIN P.C.B. C7809 (MAIN NET(2/4) SECTION) 0.01 PS7801 K1KB18B00012 BOOSTER_5V RFC_AUDIO RFC_A_MUTE PS_5V CPS_V_OUT JC_REG_5V IIC_CLK IIC_DATA AUDIO_OUT K7810 ERJ3GEY0R00V SIF_OUT UNREG_38V TUNER_VIDEO1 (TO MAIN) Q7802 2SB1218A0L (EP) R784 680(...
  • Page 157 1000(EP) R7844 680(EP) NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. DMR-EH55EC/EP,EH56EG THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. Tuner Pack Schematic Diagram...

  • Page 158: Sd Card Schematic Diagram

    13.17. SD Card Schematic Diagram TO P53501 DIGITAL P.C.B. (BE(1/4) SECTION) P6802 K1MY20AA0021 SDAT1 DAT1 SDAT0 DAT0 R6802 G_SCLK_B SCMD C6801 0.01 SDAT3 DAT3 SDAT2 DAT2 LB6801 D3R3V J0JHC0000032 D3R3V TPA+ TPA- TPB+ TPB- XDIAG XSORX XSOTX R6801...
  • Page 159 R6805 SDAT1 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 DMR-EH55EC/EP,EH56EG SLIGHTLY DIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. SD Card Schematic Diagram...

  • Page 160: Front (L) Schematic Diagram

    JW7001 [VWJ02F0060VV] KEY3_POWER NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING. DMR-EH55EC/EP,EH56EG THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED. Front(L) Schematic Diagram 13.19. DV Jack Schematic Diagram TO PS57001 DIGITAL P.C.B.
  • Page 162 IC1505 IC1506 Ref No. MODE PLAY STOP IC1507 IC1510 IC1520 Ref No. MODE PLAY STOP IC1521 IC1522 Ref No. MODE PLAY STOP IC3001 Ref No. MODE PLAY STOP IC3001 Ref No. MODE PLAY STOP IC3001 Ref No. MODE 11.6 PLAY 11.6 STOP 11.6...
  • Page 163 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 IC7301 Ref No. MODE PLAY STOP IC7301 Ref No. MODE PLAY STOP IC7302 IC7401 IC7402 Ref No.
  • Page 164 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 12.3 12.3 Ref No. Q4006 Q4007 Q4008 Q4009 Q7401 MODE -0.1 -0.1 -0.1 -0.1 11.6 PLAY -0.1...
  • Page 165 P59001 Ref No. MODE 12.3 12.3 PLAY 12.3 12.3 STOP 12.3 12.3 P59001 Ref No. MODE PLAY STOP Ref No. P59001 MODE PLAY STOP P59001 Ref No. MODE 12.3 12.3 12.3 12.3 12.3 12.3 PLAY 12.3 12.3 12.3 12.3 12.3 12.3 STOP 12.3...
  • Page 166 IC1150 IC1200 Ref No. MODE 11.6 -1523 PLAY 11.6 -1523 STOP 11.6 -1538 IC1601 IC1701 Ref No. MODE 12.3 12.3 12.4 12.4 PLAY 12.3 12.3 12.4 12.4 STOP 12.3 12.3 12.4 12.4 Q1200 Q1600 Q1706 Ref No. MODE 12.3 12.3 12.3 12.4 PLAY...
  • Page 167 Q7802 Ref No. MODE PLAY STOP...
  • Page 168 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) 0.8Vp-p (1m sec.div) 1.0Vp-p (20 sec.div) 0.8Vp-p (20 sec.div) P7402-67 REC/PLAY P7402-71 REC/PLAY P7402-63 REC/PLAY...
  • Page 169 IIC BUS TIMER LOGIC PS7801 PP7401 TUN Lch IIC DATA SECTION SIF OUT L OUT IC7501- 2.3V 1.0V RF OUT MUTE TUNER P.C.B. IC4901 OPTICAL (DIGITAL AUDIO OUT) FROM P59001 P7402 IEC OUT DIGITAL P.C.B. DMR-EH55EC/EP,EH56EG Analog Audio Block Diagram...
  • Page 170 G SBMTP A SBMTP TBUS RXD P7402- XOUT X7501 10MHz IC7507 X SW+12.4V (FAN MOTOR DRIVE) FAN PWM OUT 22 Q7511 (FAN MOTOR DRIVE) FAN MOTOR P1501 P1102 P1103 P1501 P1102 P1103 DMR-EH55EC/EP,EH56EG FAN LOCK H 39 Timer Block Diagram...
  • Page 171 GREEN (DECODER/EXT) AV2 B AV2 G BLUE CLAMP AV2 V/Y TU7801 VIDEO/Y (EP) U/V TUNER AV2 B Q7802 TUNER CLAMP PP7401 PS7801 VIDEO CLAMP BUFFER AV2 V/Y CLAMP 2.3V (Except (EP)) 1.0V K7809 TUNER P.C.B. DMR-EH55EC/EP,EH56EG Analog Video Block Diagram...
  • Page 172 IC3001- ,IC4009- ,IC4012- 12,13,14,15 Q1200 (FEED BACK) FROM PWR SAVE TIMER IC7501- 79 SECTION QR7401 :ON) Q1509 (DR+12V OUT) DR+12V IC1200 (ERROR VOLTAGE DET.) FROM DR P ON TIMER IC7501- 42 SECTION COLD QR1501 :ON) DMR-EH55EC/EP,EH56EG Power Supply Block Diagram...
  • Page 173 PS7801 ON/OFF 2 (RESET) BTL+30V IC7301- 5V(VIF) IC1510 (REG.+5V) VOUT JC REG.+5V D+12V P7402 P59001 FROM 64,66,68,70,72,74 TU P ON TIMER IC7501- 43 SECTION IP50001 DR+12V P7402 P59001 IC50003(+12V) 14,16 DMR-EH55EC/EP,EH56EG DMR-EH55EC/EP,EH56EG Power Supply Block Diagram Power Supply Block Diagram...

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