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Panasonic DMR-EH49ECA Service Manual

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DMR-EH49ECA
Model No.
DMR-EH49EEA
DMR-EH49EPA
DMR-EH495EGA
DMR-EH59ECA
DMR-EH59EEA
DMR-EH59EPA
DMR-EH59EMA
DMR-EH595EGA
DMR-EX79EBA
DMR-EX79ECA
DMR-EX79EGA
DMR-EX79EPA
DMR-EX79EFA
Vol. 1
Colours
(S).......................Silver Type
(DMR-EH49ECA/EPA/EH495EGA,
DMR-EH59ECA/EPA/EH595EGA,
DMR-EX79EGA/EPA)
(K).......................Black Type
© Panasonic Corporation 2009.
Unauthorized copying and distribution is a violation
of law.
ORDER No. DSD0907033CE
DVD Recorder

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Summary of Contents for Panasonic DMR-EH49ECA

  • Page 1 DVD Recorder DMR-EH49ECA Model No. DMR-EH49EEA DMR-EH49EPA DMR-EH495EGA DMR-EH59ECA DMR-EH59EEA DMR-EH59EPA DMR-EH59EMA DMR-EH595EGA DMR-EX79EBA DMR-EX79ECA DMR-EX79EGA DMR-EX79EPA DMR-EX79EFA Vol. 1 Colours (S).......Silver Type (DMR-EH49ECA/EPA/EH495EGA, DMR-EH59ECA/EPA/EH595EGA, DMR-EX79EGA/EPA) (K).......Black Type © Panasonic Corporation 2009. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions -----------------------------------------------3 9.4. Front Panel ------------------------------------------------ 34 1.1. General guidelines -----------------------------------------3 9.5. Front (L) P.C.B., Front (R) P.C.B. -------------------- 35 2 Warning --------------------------------------------------------------4 9.6. HDD --------------------------------------------------------- 35 2.1. Prevention of Electrostatic Discharge (ESD) 9.7.

  • Page 3: Safety Precautions

    1 Safety Precautions 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 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 Elec- trostatic Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistor-sand semi- conductor "chip"...
  • Page 5 2.2. Precaution of Laser Diode...

  • Page 6: Service Caution Based On Legal Restrictions

    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. The normal solder is the alloy of tin (Sn) and lead (Pb).

  • Page 7: Service Navigation

    3 Service Navigation 3.1. Service Information 3.2. About DMR-EH49A/EH59A/EX79A Series DMR-EH49A/EH59A/EX79A series are improved versions of DMR-EH49/EH495/EH59/EH595/EX79 series with better perfor- mance of the DVD drive and the Digital P.C.B.. 3.2.1. Caution when Replacing the Parts Make sure to check if it is the “A” model by confirming the serial number on the rear panel before ordering the replacement part.
  • Page 8 3.3. Caution for DivX...
  • Page 9 3.4. Operation check when a USB device is connected You can check the operation status (normal or abnormal) of the USB connection part of this unit easily as shown below. Connect each device to the USB terminal on the front panel and check the operation status on the TV monitor. Normal operation: Automatically displayed when the USB connection is made to a digital camera, etc.

  • Page 10: Specifications

    4 Specifications...

  • Page 13: Location Of Controls And Components

    5 Location of Controls and Components Followings are the Location of Controls and Components for DMR-EX79EC/EG as a sample. For other models, refer to each Operating Instructions.

  • Page 15: Operating Instructions

    6 Operating 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. 6.1.1.2.
  • Page 16 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 (JZS0484) or minus screw driver (small) in the direction of arrow to eject tray slightly. 5.

  • Page 17: Service Mode

    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. 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 18 Error Code Diagnosis contents Description Monitor Display Automatic FL display ST Microprocessor Display appears when ST Microprocessor No display Communication Error on Timer Communication Error on Timer Bus occurs. U80 is displayed till Power Key is pressed. ST Microprocessor Display appears when ST Microprocessor No display Communication Error on UART Communication Error on DART occurs.
  • Page 19 Error Code Diagnosis contents Description Monitor Display Automatic FL display HARD Drive error The drive detected a hard error. “DVD drive error.” Display for 5 seconds. The character indication flows sideways. SELF Restoration operation Since the power cord fell out during a power No display CHECK failure or operation, it is under restoration...
  • Page 20 Item FL display Key operation Mode name Description Front Key Forced disc eject Removing a disc that cannot be ejected. display before execution When the power is off, press The tray will open and unit will shift to P-off leaves. [STOP] and [CH UP] keys simulta- mode.
  • Page 21 Item FL display Key operation Mode name Description Front Key Aging Contents (Example): Demonstration lock/ Ejection of the disc is prohibited. *When lock the tray. When the power is on, press unlock The lock setting is effective until unlocking the [STOP] and [POWER] keys simulta- tray and not released by “Main unit initializa- neously for 5 seconds in the condi-...
  • Page 22 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. Item FL display Key operation Mode name Description (Remote controller key) Release Items Item of Service Mode executing is cancelled. Press [0] [0] or [Return] in service mode.
  • Page 23 Item FL display Key operation Mode name Description (Remote controller key) Magenta Picture Output Magenta picture is output with Component *Initial mode is “Interlace”. Press [1] [2] in service mode. Output from AV Decoder. *Magenta picture (Saturation rate: 100%) *It is enable to switch Interlace/Progressive by “I/P switch: [1] [4]”...
  • Page 24 Item FL display Key operation Mode name Description (Remote controller key) READ SEEK Inspecting seek time of HSS to inspect perfor- At start Press [3] [1] in service mode. Inspection mance. * When canceling the inspection mode while executing, do “forced power-off”.
  • Page 25 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 26 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 sec- onds while inspecting. Two digits on the right side are the progress level of the inspection (The unit is %).
  • Page 27 Item FL display Key operation Mode name Description (Remote controller key) HDD/ RAM Drive Simple For HDD: In case of both OK Press [3] [8] in service mode. Check Result of "HDD Check" same as pressing [3] [7] is displayed. For RAM drive: Whether errors within four weeks occurred or not is displayed.
  • Page 28 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 29 Item FL display Key operation Mode name Description (Remote controller key) PB HIGH Signal Output 8 pin of AV 1 Jack (PB HIGH terminal) is High Press [5] [2] in service mode. (approx. 11V DC). PB MIDDLE Signal Out- 8 pin of AV 1 Jack (PB HIGH terminal) is Mid- Press [5] [3] in service mode.
  • Page 30 When USB check is OK. * Insert USB memory. [*] is volume label. Example of volume label is [PANASONIC] : When USB check is NG. AV4(V)/AV1(RGB) Set input to AV4 (V) and set output to AV1 Press [8] [0] in service mode.
  • Page 31 Item FL display Key operation Mode name Description (Remote controller key) AV2(V)/AV1(Y/C) I/O Set- Set input to AV2 (V) and set output to AV1 (Y/ Press [8] [2] in service mode. ting C) for I/O checking AV2(RGB)/AV1(V) Set input to AV2 (RGB) and set output to AV1 Press [8] [3] in service mode.

  • Page 32: Service Fixture & Tools

    8 Service Fixture & Tools Part Number Description Compatibility RFKZ0260 Extension Cable (MainP.C.B. - Digital P.C.B./ 88 Pin) Same as EH50 Series RFKZ0323 Extension Cable (MainP.C.B. - Power P.C.B./ 9 Pin) Same as E55 Series RFKZ0455 Extension Cable (HDD - Digital P.C.B./ 7 Pin) Same as EH55 Series RFKZ0169 Extension Cable (MainP.C.B.

  • Page 33: Disassembly And Assembly Instructions

    9 Disassembly and Assembly Instructions Note: In this document, explanations basically use illustrations of DMR-EX79A. In other models, shape of some parts may be differ- ent. 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 ser- vicing.

  • Page 34: Top Case

    9.3. Top Case 9.4.1. How to assemble Tray door ass’y 1. Attach the Tray door 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 35 9.5. Front (L) P.C.B., Front (R) 1. Remove the 3 Screws (A), 1 Screw (B), SATA Power Cable and SATA Cable to remove HDD. P.C.B. 1. Remove the 2 Screws (A) to remove the Front (L) P.C.B. and Front (R) P.C.B. 9.6.

  • Page 36: Rear Panel With Fan Motor

    9.7. Rear Panel, Fan Motor 9.8. RAM/Digital P.C.B. Module 9.7.1. Only Fan Motor 1. Set free Fan connector wire from Wire Clamper. 2. Remove the 2 Screws (A) and Fan connector, remove the Fan Motor with pushing 2 tabs in the direction of arrows. 1.
  • Page 37 2. Lift up Digital P.C.B. slightly so to disconnect the connec- tor to remove Digital P.C.B. in the direction of the arrow. And remove 3 Screws (B) to remove DVD drive. 3. Put Digital P.C.B. on DVD drive and remove RAM/Digital P.C.B.
  • Page 38 9.9. Power P.C.B. 9.10. Main P.C.B. 1. Remove 3 Screws (A) and disconnect the connector to remove Power P.C.B.. 1. Remove 5 Screws (A). 2. Remove Front angle. 3. Remove Main P.C.B.. 9.11. Backend P.C.B. 1. Pull out the Backend P.C.B. in the direction of the arrow.

  • Page 39: Measurements And Adjustments

    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 40 10.1.2. Checking and Repairing of RAM / Digital P.C.B. Module...
  • Page 41 10.1.3. Checking and Repairing of Main P.C.B.
  • Page 42 10.1.4. Checking and Repairing of HDD...
  • Page 43 10.2. Caution for Replacing Parts 10.2.1. Items that should be done after replacing parts...
  • Page 44 Note2: 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 45: 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 46 3.The voltage being indicated on the schematic diagram is measured in "Standard-Playback" mode when there is no specify mode is mentioned. Model No. DMR-EH49ECA DMR-EH595EGA 4.Although the voltage and waveform available on here is measured with standard frame, it may be differ from actual measurement due to modification of circuit and so on.

  • Page 47: S2. Voltage And Waveform Chart

    S2. Voltage and Waveform Chart Note) Indicated voltage values are the standard values for the unit measured by the DC electronic circuit tester (high-impedance) with the chassis taken as standard. Therefore, there may exist some errors in the voltage values, depending on the internal impedance of the DC circuit tester. S2.1.

  • Page 48: S2.2. Front R P.c.b

    S2.2. Front R P.C.B. S2.3. Power P.C.B. <T1150> REF No. PIN No. REC REF No. PIN No. REC REF No. PIN No. REC REF No. PIN No. REC P7801 Q7502 IC7701 IC1150 P7801 Q7502 12.2 12.2 12.2 IC7701 IC1150 P7801 Q7510 IC7701 IC1150...

  • Page 49: S3. Block Diagram

    S3. Block Diagram S3.1. Main P.C.B. Power Supply Block Diagram S3.1.1. Main P.C.B. Power Supply Block Diagram (1) POWER P.C.B. MAIN P.C.B. Q1600 (REG.X SW+5.8V) T1150 POWER SWITCHING IC1601 VA1110,L1120,L1121 D1140,C1143 TRANSFORMAR D1270 (DC/DC CONVERTER) AC INL ET P1101 SURGE CURRENT F1101 SUPPRESSOR...

  • Page 50: S3.1.2. Main P.c.b. Power Supply Block Diagram (2

    S3.1.2. Main P.C.B. Power Supply Block Diagram (2) MAIN P.C.B. X SW +3.8V D+3.8V P7402 P59001 62,64 IC7802 (EX79EGA Only) IC1506 (5V REGULATOR) (REG.DR+5V) IC7801 (REG. ACTIV+5V) TO U/V TUNER VOUT VOUT DR+5V CONT IC7501- H :ON VOUT TO DIGITAL P.C.B. Q7801, QR7801 TO U/V TUNER TO U/V TUNER...

  • Page 51: S3.2. Main P.c.b. Analog Video Block Diagram

    S3.2. Main P.C.B. Analog Video Block Diagram :REC SIGNAL :PB SIGNAL IC3001 (VIDEO PROCESSOR) MAIN P.C.B. JK3006 (SW1) (SW2) 6MHz COMP ENC C IN P59001 P7402 C OUT DM 6MHz BIAS 12MHz (SW3) P59001 P7402 Y OUT DM ENC Y IN 6MHz COMPONENT CLAMP...

  • Page 52: S3.3. Main P.c.b. Analog Audio Block Diagram

    S3.3. Main P.C.B. Analog Audio Block Diagram :REC SIGNAL :PB SIGNAL MAIN P.C.B. JK3003 REAR JACK D4001 Q4001 MIX L OUT2 MUTE LINE OUT Q4002 QR4001 (AUDIO MUTE DRIVE) MUTE MIX R OUT2 LINE OUT BOOSTER+5V D4002 Q4003 MUTE FROM Q4004 DIGITAL P.C.B.

  • Page 53: S3.4. Digital P.c.b. Analog Timer Block Diagram (Eh49A/Eh59A

    S3.4. Digital P.C.B. Analog Timer Block Diagram (EH49A/EH59A) MAIN P.C.B. IC57501 DIGITAL P.C.B. T7501 (TIMER) DISPLAY HEATER POWER SWITCHING TRANSFORMER TO MAIN P.C.B. IP7501 UNREG.+38V HEATER + +38V (IC PROTECTOR) POWER SUPPLY BLOCK SECTION QR7508 X SW+12.4V :ON) FRONT (R) P.C.B. MAIN P.C.B.

  • Page 54: S3.5. Digital P.c.b. Analog Timer Block Diagram (Ex79A

    S3.5. Digital P.C.B. Analog Timer Block Diagram (EX79A) MAIN P.C.B. IC57501 DIGITAL P.C.B. T7501 (TIMER) DISPLAY HEATER POWER SWITCHING TRANSFORMER IP7501 TO MAIN P.C.B. HEATER + +38V UNREG.+38V (IC PROTECTOR) POWER SUPPLY BLOCK SECTION QR7508 X SW+12.4V :ON) MAIN P.C.B. FRONT (R) P.C.B.

  • Page 55: S4. Schematic Diagram

    S4. Schematic Diagram S4.1. Interconnection Diagram P51001 PP7701 P1503 P7503 DR12V X_SW_5V DR_GND X_SW_5V KEY_OPEN_CLOSE DR_GND KEY_OPEN_CLOSE DR5V IR SEL IR SEL JK56001 (USB) FRONT (R) P.C.B. JK56101 (HDMI) P1102 P1501 P_SAVE_L P_SAVE_L P7402 P59001 JK57001 (DV IN) DIG_TXD DIG_SCLK FL_CS FL_CS X_SW12V...
  • Page 56 S-11...

  • Page 57: S4.2. Av_Io (Av) Schematic Diagram

    S4.2. AV_IO (AV) Schematic Diagram DMR-EH49/EH59/EX79ECA Series AV_IO Section (Main P.C.B. (1/3)) Schematic Diagram (AV) R4008 R4010 R4014 R4018 C4014 G_MIXLOUT_A C4012 Q4001 R4016 2SD132800L C4016 R4012 R4020 G_AV1L_IN_A 5600 G_AV1R_IN_A C3909 470P C3911 Q4003 R4021 470P D4001 5600 MA3Z142D0LG R3923 R4022 5600...
  • Page 58 DMR-EH49/EH59/EX79ECA Series AV_IO Section (Main P.C.B. (1/3)) Schematic Diagram (AV) AV2_BLANKING AV2_8 G_AV1L_IN_A G_AV2L_IN_A AV3_S_IN_L G_AV1R_IN_A G_AV2R_IN_A C3905 C3909 470P 470P C3911 C3907 470P LB3801 470P $[ERJ3GEY0R00V] G_SC_IN_A R3916 G_SY_IN_A R3914 LB3802 G_AV2_VIN_A $[ERJ3GEY0R00V] C3908 R3912 R3919 C3906 47P ERDS2TJ471T J0JBC0000134 R3917 ZJ3002...
  • Page 59 G_AADC_R_A C4038 C3029 BOOSTER_5V LB3001 Q3001 J0JGC0000063 B1ADCF000154 G_CIN_DM_A G_CIN_DM_A R3001 G_VSYNC_A G_VSYNC_A G_V_YIN_DM_A G_V_YIN_DM_A VCC 5V G_SLICER_A G_SLICER_A SLICER [81]C ADC G_CSYNC_A [82]V SYNC OUT G_CSYNC_A C SYNC OUT R3002 100 [83]Y/V ADC G_IIC_CLK_A DET IN R3003 100 G_IIC_DATA_A SCL IN SDA IN C3030...
  • Page 60 C4001 R4001 G3001 C4009 R3013 75[F] G_RY_OUT_A 1/2REF C3027 DT C IN C3025 DT Y IN [81]C ADC [53]AV2 RIN VCC 11R6V C3024 G_SC_IN_A R3012 75[F] [82]V SYNC OUT [52]AV1 RIN NC OUT AV3 C IN [83]Y/V ADC [51]AV4 RIN G_BY_OUT_A 1/2REF GND [50]FRONT RIN...

  • Page 61: S4.3. M_Net (M) Schematic Diagram

    S4.3. M_NET (M) Schematic Diagram DMR-EH49/EH59/EX79ECA Series M_NET Section (Main P.C.B. (2/3)) Schematic Diagram (M) VariationCategory EH595EG EH59EC EH59EP,EM,EE EH49EG EH49EP,EE EX79EB EH49EC EX79EG EX79EC,EF,EP EX769EB EX769EC,EF,EP EH69EG C7405 $[F2A1A181A397] $[F2A1A181A397] $[F2A1A181A397] $[F2A1A181A397] $[F2A1A181A397] F2A1A181A397 $[F2A1A181A397] F2A1A181A397 F2A1A181A397 $[F2A1A181A397] $[F2A1A181A397] F2A1A181A397 C7501 F4D55473A013...
  • Page 62 DMR-EH49/EH59/EX79ECA Series M_NET Section (Main P.C.B. (2/3)) Schematic Diagram (M) 69EB EX769EC,EF,EP EH69EG EH69EC EH69EP,EE EX89EG EX89EC,EP EX82SEG 81A397] $[F2A1A181A397] F2A1A181A397 F2A1A181A397 F2A1A181A397 F2A1A181A397 F2A1A181A397 F2A1A181A397 3A013 F4D55473A013 F4D55473A013 F4D55473A013 F4D55473A013 F4D55473A013 F4D55473A013 F4D55473A013 J0JBC0000134 ￨J0JBC0000011 J0JBC0000134 J0JBC0000134 J0JBC0000134 J0JBC0000134 J0JBC0000134 J0JBC0000134 ￨J0JBC0000011...
  • Page 63 P1501 VWJ0795=17.5 K1KY09AA0606 LB1503 P_SAVE_L $[VWJ0795=5] X_SW12V LB1502 X_SW12V $[VWJ0795=5] X_SW12V X_SW12V G1501 G1502 CL1505 Q1600 B1DHED000008 (UPA1717-G-E1-A) CL1504 LB1501 VWJ0795=5 L1601 L1600 G0A100K00003 G0C100K00043 L1602 G0C100K00043 DR5V R1601 D1BFR0240001 Q1509 B1DHDD000022 VOUT IC1506 C0DAEYH00002 C1605 ON[H] SENSE 180P VREF R1518 QR1501 ERJ3GEYJ223V...
  • Page 64 K7503 VWJ0795=17.5 $[ERJ3GEY0R00V] AVIO_PON_L ANT_P_ON_H CH_DOWN CH_UP STOP PLAY S7501 S7503 S7506 S7507 S7504 EVQ11A04M EVQ11A04M EVQ11A04M EVQ11A04M EVQ11A04M BE_3R3V LB7401 $[ERJ3GEY0R00V] R7405 G_DIG_SCLK_A D7502 LB7407 $[ERJ3GEY0R00V] R7644 Q7401 B0AACK000004 G_DIG_DATA_A 5600 Q7402 P7402 G_DIG_CS_A 2700 R7640 LB7408 K1KA88A00003 R7505 $[ERJ3GEY0R00V] DIG_TXD FLCS...

  • Page 65: S4.4. Tuner (Tu) Schematic Diagram

    S4.4. Tuner (TU) Schematic Diagram DMR-EH49/EH59/EX79ECA Series Tuner Section (Main P.C.B. (3/3)) Schematic Diagram (TU) Modify Category Variation Type EH595EG EH59EC EH59EP,EM,EE VariationCategory1 EH49EG A/D/M B/E/N C/F/P J/L/R EH49EC C7304 4700P 4700P 4700P 4700P 4700P EH49EP,EE C7305 EX79EB C7306 EX79EG C7307 EX79EC,EF,EP C7308...
  • Page 66 DMR-EH49/EH59/EX79ECA Series Tuner Section (Main P.C.B. (3/3)) Schematic Diagram (TU) IC7801 L7801 D7802 R7819 $(220) R7821 $(220) C7817 C7818 C7843 C7819 D7803 R7822 C7845 $(470) $(47P) $(0.01) R7811 R7814 R7812 R7815 C7844 Q7802 $(0.01) K7815 R7816 Q7803 K7816 C7826 2200P TU7801 C7822 C7820...
  • Page 67 C7817 AINM AVDD1.5 C7310 C7818 C7819 F2A1A4700041 K7301 C7820 270P 270P 270P LB7304 13 14 15 16 C7822 ECJ2VC1H681J ECJ2VC1H681J C7304 C7315 C7823 LB7303 C7824 C7827 220P 220P 220P R7303 C7832 C7833 F1H1A105A028 F1H1A105A028 F1H1A105A028 F1H1A105A028 F1H1A105A028 F1H1A105A028 C7834 F1J0J106A014 F1J0J106A014 F1J0J106A014 F1J0J106A014...
  • Page 68 LB7805 AINM AVDD1.5 X7301 IF_AGC C7816 C7333 IF_OUT LB7304 C7338 15 16 1R5V IC7304 LB7303 TU7802 C7326 C7341 ANT_5V R7313 R7314 R7315 K7305 K7304 TUNER_5V C7823 C7824 SIF_OUT TU_P_ON_H X_SW_5R8V T_UNREG_38V QR7801 C7831 R7806 $(0.1) IC7803 RF_AGC Q7801 BE_D3R3V (PQ070XN02ZPH) VIF_5V C7832 BTL_30V...

  • Page 69: S4.5. Front_L Schematic Diagram

    S4.5. Front_L Schematic Diagram / S4.6. Front_R Schematic Diagram IR_SEL OPEN/CLOSE POWER PNA4618M13VT S7201 R7704 IC7701 P7201 EVQ11A04M $(3300) K1KA03BA0055 R7703 CK7001 S7701 $(47K) EVQ11A04M CK7002 KEY_POWER CK7003 C7701 1u[ZF] C7702 $[F2A0J470A824] IR_SEL CL7702 NC OPEN KEY OPEN CLOSE XSW5V CL7701 R7701 ERDS2TJ470T...
  • Page 70 S-25...

  • Page 71: S4.7. Power Schematic Diagram

    S4.7. Power Schematic Diagram DMR-EH49/EH59/EX79ECA Series Power Schematic Diagram CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE 2A 250V FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES 2A 250V D' INCENDIE N' UTILISERQUE DES FUSIBLE DE MÉME TYPE 2A 250V. 2A 250V LG1111 ZA1103...
  • Page 72 DMR-EH49/EH59/EX79ECA Series Power Schematic Diagram COLD R1123 T1150 G4D2A0000296 ERG2SJ473E [2W 47K] SAF_D_DCV_BT D1270 B0JBSG000053 ZA1270 D1270 RADIATION [FCHS10A065] VSC5614-A ZA1271 XYN3+J8FJ P1102 K1KB09A00047 C1129 F1B3A2220009 LB1270 P_SAVE_L [1KV 2200P] VWJ0795=5 L1270 Ns12 G0A100H00025 Ns12 X_SW12V X_SW12V X_SW12V SAF_D_SNB X_SW12V C1124 LB1124 ECKWNA102MEV...
  • Page 73 IC1150 RADIATION ZA1150 E/OCL VSC5603-A ZA1151 XYN3+J8FJ IC1150 C0DACZH00017 [MR4020-7101] C1151 F1B3D101A011 SAF_D_VDS SAF_D_VDS [2KV 100P] D1157 R1152 R1151 B0HADV000001 6800[22] 1500[22] [AP01CV2] R1158 D1152 D1156 ERX2SJR22E MAZ4100NHF MA2J1110GL [2W R22] R1157 R1154 820[D][22] 10K[D][22] R1160 D1161 100K[22] MA2J1110GL ZA1105 K9ZZ00001279 ZA1106 K9ZZ00001279...
  • Page 74 1K[22] 0.1[22] R1151 00[22] R1205 R1206 220K[22] 2400[D][22] D1152 MAZ4100NHF R1157 R1154 [D][22] 10K[D][22] Q1220 B3PBA0000454 R1221 5600[22] R1220 $(4700)[22] QR1220 B1GBCFNN0043 Confidential Until DMR-EH49/EH59/EX79ECA Series Power Schematic Diagram S-29...

  • Page 75: S5. Print Circuit Board

    S5. Print Circuit Board S5.1. Main P.C.B. DMR-EH49/EH59/EX79ECA Series Main P.C.B. (Component Side) R7802 ZJ3001 ZJ7407 ZJ7405 K7304 TU7801 W148 TU7802 C7806 K7303 W121 X7301 C7312 K7806 D7803 C7819 K4003 C4022 W228 W120 C7326 C7313 L7301 D7802 W282 K7301 C7314 C4014 C4028 W194...
  • Page 76 DMR-EH49/EH59/EX79ECA Series Main P.C.B. (Foil Side) R3019 QR7801 LB7801 K7816 R7306 R7310 R7801 LB7306 R7820 C7812 R7308 R7803 C7804 R7804 C7802 LB7304 LB7804 C7842 LB7803 C7807 C7325 C7825 K7802 C7813 W522 C7805 LB3001 C7330 R7311 R7315 C7339 K3002 Q3001 R7314 LB7805 C7810 R7821...
  • Page 77 W245 C4038 W136 W246 W283 W273 W243 W248 K3001 W242 W247 T7501 L7402 W216 W215 W123 W214 C3008 W281 W272 W271 C7837 W256 W164 W158 C3046 K7818 W125 C3005 W159 W185 W153 W184 C1549 C7835 C3917 W183 W244 C3918 W269 K7401 ZA1500 W268...
  • Page 78 R7544 CL7508 R7502 CL7509 R7406 C3029 C7512 C7509 R3001 Q7401 R3002 W511 R3003 R7402 C3031 C3006 C3043 C3010 R3904 R3005 Q7402 LB3002 C3002 IC7501 R7401 R3903 C3040 C3035 CL7523 LB7415 CL7524 R3901 CL7503 CL7502 R7810 CL7501 C7846 R3905 R7817 R3927 R1502 IC1501 R3924...

  • Page 79: S5.2. Front L P.c.b

    S5.2. Front L P.C.B. / S5.3. Front R P.C.B. S7201 CK7001 CK7003 CK7002 P7201 (Component Side) (Foil Side) IC7701 R7703 Q7701 S7701 R7704 CL7702 R7705 C7701 CL7701 R7701 C7702 PP7701 (Component Side) (Foil Side) DMR-EH49/EH59/EX79ECA Series DMR-EH49/EH59/EX79ECA Series Front L P.C.B. Front R P.C.B.
  • Page 80 S-35...

  • Page 81: S5.4. Power P.c.b

    S5.4. Power P.C.B. DMR-EH49/EH59/EX79ECA Series Power P.C.B. (Component Side) ZA1105 L1120 C1121 VA1110 R1101 L1121 C1122 C1143 R1123 S-36 S-36 R1122...
  • Page 82 DMR-EH49/EH59/EX79ECA Series Power P.C.B. (Foil Side) LG1111 LG1114 LG1103 LG1105 LG1112 LG1108 LG1104 LG1107 LB1126 D1160 R1155 S-37 S-37 R1152 Q1160...
  • Page 83 C1122 C1143 R1123 R1122 R1159 D1142 D1157 C1150 T1150 K1130 ZA1270 C1270 C1271 D1270 C1272 IC1200 P1102 ZA1106 L1270 (Component Side) DMR-EH49/EH59/EX79ECA Series Power P.C.B. (Component Side) S-38...
  • Page 84 LB1126 D1160 R1155 Q1160 R1152 C1152 R1160 R1151 R1154 D1161 R1150 QR1220 R1220 R1209 R1221 C1200 R1208 R1201 R1200 R1207 C1201 C1273 (Foil Side) DMR-EH49/EH59/EX79ECA Series Power P.C.B. (Foil Side) S-39...
  • Page 85 S-40...

  • Page 86: S6. Abbreviation

    S6. Abbreviation 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 87 INITIAL/LOGO ABBREVIATIONS DREQ DATA REQUEST DRESP DATA RESPONSE DIGITAL SERVO CONTROLLER DSLF DATA SLICE LOOP FILTER DIGITAL VIDEO DISC ERROR TORQUE CONTROL ERROR TORQUE CONTROL REFERENCE ENCSEL ENCODER SELECT ETMCLK EXTERNAL M CLOCK (81MHz/40.5MHz) ETSCLK EXTERNAL S CLOCK (54MHz) FBAL FOCUS BALANCE FCLK FRAME CLOCK...
  • Page 88 INITIAL/LOGO ABBREVIATIONS PWMCTL PWM OUTPUT CONTROL PWMDA PULSE WAVE MOTOR DRIVE A PWMOA, B PULSE WAVE MOTOR OUT A, B 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...
  • Page 89 INITIAL/LOGO ABBREVIATIONS TPSO OP AMP OUTPUT TPSP OP AMP INVERTED INPUT TRCRS TRACK CROSS SIGNAL TRON TRACKING ON TRSON TRAVERSE SERVO ON VBLANK V BLANKING COLLECTOR POWER SUPPLY VOLTAGE VCDCONT VIDEO CD CONTROL (TRACKING BALANCE) DRAIN POWER SUPPLY VOLTAGE VIDEO FEED BACK VREF VOLTAGE REFERENCE SOURCE POWER SUPPLY VOLTAGE...

  • Page 90: S7. Replacement Parts List

    S7. Replacement Parts List Note: 1.* Be sure to make your orders of replacement parts according to this list. 2. IMPORTANT SAFETY NOTICE Components identified with the mark have the special characteristics for safety. When replacing any of these components, use only the same type. 3.
  • Page 91 DMR-EH49AECK Ref.No. Part No. Part Name & Description Remarks Ref.No. Part No. Part Name & Description Remarks C3040 F1H1A105A028 10V 1U RFKB79209AAT MAIN P.C.B. 1 (RTL)49AEC E.S.D. C3043 ECJ1VB1H103K 50V 0.01U RFKB79209ABT MAIN P.C.B. 1 (RTL)49AEE 49AEP E.S.D. C3044 F2A0J101A167 6.3V 100U RFKB79209YT MAIN P.C.B.
  • Page 92 DMR-EH49AECK Ref.No. Part No. Part Name & Description Remarks Ref.No. Part No. Part Name & Description Remarks C4804 ECJ1VB1H102K 50V 1000P C7823 ECJ1VC1H220J 50V 22P C4805 ECJ1VC1H471J 50V 470P C7824 ECJ1VC1H220J 50V 22P C4806 ECJ1VC1H471J 50V 470P C7826 ECJ1VB1H222K 50V 2200P C4901 F2A0J470A599 6.3V 47U...
  • Page 93 DMR-EH49AECK Ref.No. Part No. Part Name & Description Remarks Ref.No. Part No. Part Name & Description Remarks K7808 ERJ3GEY0R00V 1/10W 0 1 EX79A Q7801 2SD1819A0L TRANSISTOR 1 E.S.D. K7809 J0JYC0000070 COIL 1 79AEG Q7802 2SD1819A0L TRANSISTOR 1 79AEG E.S.D. K7812 ERJ3GEY0R00V 1/10W 0 Q7803 2SD1819A0L...
  • Page 94 DMR-EH49AECK Ref.No. Part No. Part Name & Description Remarks Ref.No. Part No. Part Name & Description Remarks R3926 ERJ3GEYJ471V 1/10W 470 R7513 ERJ3GEYJ103V 1/10W 10K R3927 ERJ3GEYJ471V 1/10W 470 R7514 ERJ3GEYJ223V 1/10W 22K 1 79AEG R3928 ERJ3GEYJ103V 1/10W 10K R7530 ERJ3RBD823V 1/16W 82K R3929...
  • Page 95 DMR-EH49AECK Ref.No. Part No. Part Name & Description Remarks Ref.No. Part No. Part Name & Description Remarks ZJ3002 K9ZZ00001279 EARTH PLATE Q1160 B1ABDF000033 TRANSISTOR 1 E.S.D. ZJ7401 K9ZZ00001279 EARTH PLATE Q1200 B3PBA0000454 TRANSISTOR 1 E.S.D. ZJ7402 K9ZZ00001279 EARTH PLATE Q1220 B3PBA0000454 TRANSISTOR 1 E.S.D.
  • Page 96 DMR-EH49AECK Ref.No. Part No. Part Name & Description Remarks Ref.No. Part No. Part Name & Description Remarks RGR0390A-R2 REAR PANEL 1 79AEG RFKNEH59EPA RAM/DIGITAL P.C.B. MODULE 1 59AEP L6FAKDAH0001 FAN MOTOR 1 EH49A RFKNEH59EGA RAM/DIGITAL P.C.B. MODULE 1 59AEG L6FAKDBE0002 FAN MOTOR 1 EH59A EX79A RFKNEX79EBA RAM/DIGITAL P.C.B.
  • Page 97 DMR-EH49AECK Ref.No. Part No. Part Name & Description Remarks Ref.No. Part No. Part Name & Description Remarks RQT9290-H OPERATING INSTRUCTIONS 1 49AEC 59AEC(IU) RQT9291-E OPERATING INSTRUCTIONS 1 49AEC 59AEC(IW) RQT9292-M OPERATING INSTRUCTIONS 1 49AEC 59AEC(IX) RQT9293-J OPERATING INSTRUCTIONS 1 49AEC 59AEC(IY) RQT9297-R OPERATING INSTRUCTIONS 1 49AEE 59AEE(IA)

  • Page 98: S8. Exploded View

    S8. Exploded View S8.1. Frame and Casing Section 50(S) 52(K) 92 61 51(S) 53(K) 38-2 38-1 (EX79) 79 80 19 23 29-5 29-2 29-1 29-6 29-3 29-4 S-53...

  • Page 99: S8.2. Packing Parts And Accessories Section

    S8.2. Packing Parts and Accessories Section BATTERY (REMORTE CONT.) A3-1 S-54...

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