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Panasonic DMR-EH50GN Service Manual
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Panasonic DMR-EH50GN Service Manual

Panasonic DMR-EH50GN Service Manual

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ORDER NO.DSD0503043C3
DVD Video Recorder
DMR-EH50GN
Vol.1
Colour
(S).......................Silver Type

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Summary of Contents for Panasonic DMR-EH50GN

  • Page 1 ORDER NO.DSD0503043C3 DVD Video Recorder DMR-EH50GN Vol.1 Colour (S).......Silver Type...
  • Page 2 © 2005 Matsushita Electric Industrial CO., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 3 DSD0503043C3 DMR-EH50GN 0 COVER 1 Safety precautions 1_1 General guidelines 1_1_1 Leakage current cold check 1_1_2 Leakage current hot check (See Figure 1 2 Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive (ES) Devices 3 Precaution of Laser Diode 4 Handling the Lead-free Solder...
  • Page 4 15_2 Main P.C.B. 15_3 Tuner P.C.B. 15_4 LED P.C.B. 15_5 P9001 Connector 15_6 Waveform Chart 16 Abbreviations 17 Block Diagram 17_1 Power Supply Block Diagram 17_2 Analog Video Block Diagram 17_3 Analog Audio Block Diagram 17_4 Timer Block Diagram 18 Schematic Diagram 18_1 Interconnection Schematic Diagram 18_2 Power Supply Schematic Diagram 18_3 Main Net Section (Main P.C.B.
  • Page 5 1 Safety precautions 1.1 General guidelines 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. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 6 2 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 7 3 Precaution of Laser Diode...
  • Page 8 4 Handling the Lead-free Solder 4.1 About lead free solder (PbF) Distinction of PbF P.C.B.: P.C.B.s (manufactured) using lead free solder will have a PbF stamp on the P.C.B. Caution: Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher.
  • Page 9 5 Each Button...
  • Page 10 6 New Feature 6.1 Quick start function(REC) General A few seconds after tuning on the unit,you can start recording to DVD-RAM,HDD. You can switch the operation of this function (ON/OFF) on the menu screen. . Quick start(REC) principle In the power-off at Quick start, only power supplies for video IC,tuner and storage media are cut off. When the REC button is pushed a few second after the power button is pushed, Audio and Video data are stored in DDR SDRAM before a storage media(DVD-RAM or HDD) preparation.
  • Page 11 7 Taking out the Disc from RAM- Drive Unit when the Disc cannot be ejected by OPEN/CLOSE button 7.1 Forcible Disc Eject 7.1.1 When the power can be turned off. Turn off the power and press [STOP] [CH UP] keys on the front panel simultaneously for 5 seconds. 7.1.2 When the power can not be turned off.
  • Page 13 (5) Error occurring Disc type is displayed for 5 seconds. (6) Disc Maker s ID is displayed for 5 seconds. Example of Disc Maker s ID: DVD-R Disc No. FL Display (Disc Maker s ID) Disc Maker Country Panasonic Japan Pioneer Japan Mitsubishi Chemical Corporation Japan...
  • Page 14 VIVASTAR Switzerland 19 LGE LG Electronics Korea DVD-RAM Disc No. FL Display (Disc Maker s ID) Disc Maker Country Panasonic MATSUSHITA Panasonic Japan Maxell Japan PRODISC Prodisc Taiwan OPTDISC OPTDISC Taiwan Taiwan *Since an display is arbitrarily set up by the disk producer side, the above-mentioned display may be changed.
  • Page 15 9 Self-Diagnosis and Special Mode Setting 9.1 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 16 error.” Display for 5 seconds. Since the power cord fell out during a power failure or operation, it is under restoration operation. Restoration SELF CHECK *It will OK, if a display disappears No display operation automatically. If a display does not disappear, there is the possibility that defective Digital P.C.B.
  • Page 17 When the power button is not effective while power is ON, turn off the power Forced power- forcibly. Press [Power] key over than Display in P-off mode. *When Timer REC is ON, execute 10 seconds. “Forced Power-off” after releasing Timer REC.
  • Page 18 while the tray being locked. Display “LOCK” for 3 seconds. When the power is on (E-E Display at ATP executing. ATP re- mode), press [CH UP] and [CH Re-execute ATP. execution DOWN] simultaneously for 5 seconds. The display before When the power is on (E-E execution leaves.
  • Page 19 Switch Return XP mode. *48 kHz / 44.1 kHz are switched alternately. Initial mode is Interlace Switch Interlace and Progressive in EE mode. Press [1] [4] in I/P *Initial setting is “Interlace”. Switch mode. I/P Switch *This command is effective during Switch Interlace/Progressive *I/P are switched executing “White Picture Output”, “Magenta...
  • Page 20 mm: Minute ss: Second 3. Last Drive Error (1/2) is displayed for 5 seconds. 4. Last Drive Error (2/2) is Press [4] [2] in service displayed for 5 seconds. mode. RAM Drive error code display. When “INFO******” is *For details about the drive error code, refer being displayed, past 19 5.
  • Page 21 displayed. (Indicating unit: Second) Delete the Error Delete Error History information stored on Press [9] [7] in service History the unit. mode. When the WRITE check is Insert a SD card to SD card slot, and press [7] [4] in service mode. When the WRITE check is *Insert SD card while the SD card WRITE...
  • Page 22 10 Assembling and Disassembling 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 P.C.B.
  • Page 23 10.3 Top Case Remove the 2 screws (A) and 3 screws (B). 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. 10.4 Front Panel Unlock 2 tabs (A) and 3 tabs (B) in this order to remove Front Panel.
  • Page 24 10.6 Digital P.C.B. Remove 2FFCs and 2 Screws (A). Lift up Digital P.C.B. slightly so to disconnect Connector to remove Digital P.C.B. CAUTION: When replacing Digital P.C.B., pay attention as below. 10.7 DVD-RAM Drive Remove 3 Screws (A) to remove DVD-RAM Drive. Lift up DVD-RAM Drive slightly and remove FFC and remove Cable between DVD-RAM Drive and Main P.C.B.
  • Page 25 10.8 HDD Remove ATAPI Connector and HDD Power Connector. Remove 4 Screws (A) to remove HDD Angle with HDD. Put HDD with HDD Angle up and down inversely so as not to give a shock to HDD.
  • Page 26 Remove 4 screws to remove HDD. Handling of HDD The following precautions should be taken when handling HDD. Never give an impact to HDD. (Even a drop from 1cm height can be a cause of HDD failure. When placing HDD on a workbench, provide a mat on a bench for shock absorption and anti-static purposes. When installing HDD, release it from your hands only after confirming that it is fully set on the chassis.
  • Page 27 At first disconnect the connector on one side as shown below, and pull out LED P.C.B. 10.10 Power P.C.B. Remove Screw (A). Remove 3 Screws (B) and disconnect Connector (A) and HDD Power Connector. Unlock Power P.C.B. from a Flange to remove Power P.C.B.
  • Page 28 10.11 Rear Panel Disconnect Fan Connector. Remove 7 Screws (A) and Screw (B). Unlock 2 Locking Tabs (A) to remove Rear Panel. 10.11.1 Fan Motor Disconnect Fan Connector and remove 2 Screws (C). Push and unlock 2 locking Tabs (A) to remove Fan Motor.
  • Page 29 10.12 Front (L) P.C.B. Remove a Screw (A) to remove Front (L) P.C.B. 10.13 Main P.C.B. Disconnect Connector (A) for Front (L) P.C.B. Remove 5 Screws (A),. Remove Power P.C.B. Angle, Digital P.C.B. Angle and SD Card P.C.B. Angle and disconnect Connector (A) to remove Main P.C.B.
  • Page 31 11 Service Fixture and Tools Part Number Description Compatibility RFKZ0125 Extension FFC (Digital P.C.B. - DVD-RAM Drive / 40 Pin) Same as E50/ E55 series RFKZ0126 Extension Cable (MainP.C.B. - DVD-RAM Drive/ 4 Pin) Same as E30/HS2 series RFKZ0216 Extension Cable (MainP.C.B. - Power P.C.B. / 23 Pin) Same as E55 series RFKZ0260 Extension Cable (MainP.C.B.
  • Page 32 12 Service Positions Note: For description of the disassembling procedure, see the section 10. 12.1 Checking and Repairing of Power P.C.B. 12.2 Checking and Repairing of Digital P.C.B.
  • Page 33 12.3 Checking and Repairing of Main P.C.B.
  • Page 34 12.4 Checking and Repairing of DVD-RAM Drive...
  • Page 35 12.5 Checking and Repairing of HDD...
  • Page 37 13 Caution after replacing parts 13.1 After replacing the RAM Drive with new one 13.2 When the unit does not operate normally after replacing the Timer Microprocessor or Main P.C.B. When the unit does not operate normally after replacing the Timer Microprocessor or Main P.C.B. with new one, reset Timer Microprocessor.
  • Page 38 Procedure Item to Check 1 Turn on the power, and confirm items pointed out. Items pointed out should reappear. The Panasonic RAM disc should be 2 Insert RAM disc. recognized. No abnormality should be seen in the picture, 3 Enter the EE (TU IN / AV IN - AV OUT) mode.
  • Page 39 15 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 40 Ref No. IC1150 IC1200 MODE 11.6 -1523 PLAY 11.6 -1523 STOP 11.6 -1538 Ref No. IC1401 IC1501 IC1400 MODE 12.4 PLAY 12.4 STOP 12.4 Ref No. IC1601 IC1701 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...
  • Page 41 Ref No. IC3001 MODE PLAY STOP Ref No. IC4009 IC4011 MODE 11.6 PLAY 11.6 STOP 11.6 Ref No. IC4012 IC7401 MODE 11.6 12.3 11.6 PLAY 11.6 12.3 11.6 STOP 11.6 12.3 11.6 Ref No. IC7402 IC7403 MODE PLAY STOP IC7501 Ref No.
  • Page 42 Ref No. Q7401 Q7501 Q7502 Q7503 Q7504 MODE 11.6 PLAY 11.6 STOP 11.6 Ref No. Q7506 Q7507 Q7508 Q7510 Q7511 MODE 29.3 12.3 PLAY 29.3 12.3 STOP 29.1 12.3 Ref No. QR3914 QR4002 QR4003 QR4004 QR4005 MODE PLAY STOP Ref No. QR7401 QR7403 QR7404...
  • Page 43 Ref No. Q7802 MODE PLAY STOP...
  • Page 44 Ref No. Q7102 Q7103 Q7101 MODE PLAY STOP...
  • Page 45 P9001 Ref No. MODE PLAY STOP P9001 Ref No. MODE PLAY STOP P9001 Ref No. MODE PLAY STOP P9001 Ref No. MODE PLAY STOP P9001 Ref No. MODE PLAY STOP...
  • Page 46 T1150-3 STOP T1150-15,18 STOP T1150-7 STOP T1150-5 STOP 30Vp-p (5 sec.div) 30Vp-p (5 sec.div) 8Vp-p (5m sec.div) 560Vp-p (5 sec.div) IC1150-1 STOP IC1150-2 STOP P7402-83 REC/PLAY P7402-51 REC/PLAY 8.0Vp-p (5 sec.div) 0.5Vp-p (5 sec.div) 1.0Vp-p (20 sec.div) 0.7Vp-p (20 sec.div) P7402-59 REC/PLAY P7402-63 REC/PLAY P7402-55 REC/PLAY...
  • Page 47 16 Abbreviations 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 48 ETSCLK EXTERNAL S CLOCK (54MHz) FBAL FOCUS BALANCE FCLK FRAME CLOCK FOCUS ERROR FOCUS ERROR AMP INVERTED INPUT FOCUS ERROR AMP OUTPUT FREQUENCY GENERATOR FREQUENCY SUB CARRIER FSCK FS (384 OVER SAMPLING) CLOCK G GND COMMON GROUNDING (EARTH) HA0~UP HOST ADDRESS HD0~UP HOST DATA HINT...
  • Page 49 SPEN SERIAL PORT R/W ENABLE SPRCLK SERIAL PORT READ CLOCK SPWCLK SERIAL PORT WRITE CLOCK SQCK SUB CODE Q CLOCK SQCX SUB CODE Q DATA READ CLOCK SRDATA SERIAL DATA SRMADR SRAM ADDRESS BUS SRMDT0~7 SRAM DATA BUS 0~7 START/STOP STAT STATUS STCLK...
  • Page 50 17 Block Diagram 17.1 Power Supply Block Diagram 17.2 Analog Video Block Diagram 17.3 Analog Audio Block Diagram 17.4 Timer Block Diagram...
  • Page 51 CONTROL SW.) DR+12V P1103 QR1302 :ON) DR+5V P1103 Q1200 Q1270 (FEED BACK) (DR+12V OUT) DR+5V P1102 P1501 20,21 DVD-RAM/R DRIVE DR+12V P1102 P1501 16,17 IC1200 (ERROR VOLTAGE DET.) QR1304 :ON) IP1501 X SW+12.4V P1102 P1501 COLD DMR-EH50GN Power Supply Block Diagram...
  • Page 52 IC3001- ,IC4009- ,IC4012- NICAM DECODER P.C.B. FROM PWR SAVE TIMER IC7501- SECTION IC7301- 28 35 IC1510 IC7302 QR7401 :ON) (REG.+5V) (RESET) PK7701 PK7301 VOUT JC REG.+5V IC7301- 26 FROM JC P ON TIMER IC7501- SECTION DMR-EH50GN Power Supply Block Diagram...
  • Page 53 AV2 G TU7801 GREEN U/V TUNER (DECODER/EXT) AV2 B Q7802 TUNER BLUE AV2 G PP7401 PS7801 VIDEO CLAMP CLAMP BUFFER AV2 V/Y VIDEO/Y 2.3V AV2 B CLAMP 1.0V TUNER P.C.B. AV2 V/Y CLAMP DMR-EH50GN Analog Video Block Diagram AV2 R/G/B...
  • Page 54 PP7401 PK7701 PK7301 PK7302 PK7702 TUN Lch IIC DATA SECTION SIF OUT L OUT IC7501- 29 NICAM DECODER P.C.B. 2.3V 1.0V TUNER P.C.B. JK3903 OPTICAL (DIGITAL AUDIO OUT) FROM P9001 P7402 IEC OUT DIGITAL P.C.B. DMR-EH50GN Analog Audio Block Diagram...
  • Page 55 X SW+12.4V (AMBER) (FAN MOTOR DRIVE) FAN PWM OUT Q7511 (FAN MOTOR DRIVE) P7101 P7507 88 SD SEL LED SD SEL Q7101 D7101 (SD SEL LED DRIVE) (GREEN) FAN MOTOR LED P.C.B. P7504 P7504 FAN LOCK H DMR-EH50GN Timer Block Diagram...
  • Page 56 19 Print Circuit Board 19.1 Power P.C.B. 19.2 Main P.C.B. 19.2.1 Main P.C.B. (1/4 Section) 19.2.2 Main P.C.B. (2/4 Section) 19.2.3 Main P.C.B. (3/4 Section) 19.2.4 Main P.C.B. (4/4 Section) 19.2.5 Main P.C.B. Address Information 19.3 Tuner P.C.B., LED P.C.B., Front (L) P.C.B. 19.4 Nicam Decoder P.C.B.
  • Page 57 IC Protector Fuse QR1302 C1400 C1605 R1200 R1601 QR1303 IP1401 F1101 C1401 C1606 R1201 R1602 QR1304 IP1601 Capacitor C1402 C1607 R1205 R1603 Transformer QR1800 C1120 C1403 C1608 R1206 R1604 QR1801 T1150 C1121 C1404 C1701 R1207 R1605 DMR-EH50GN Power P.C.B. (VEP01961A)
  • Page 58 (FRONT) (REAR) Location Map DMR-EH50GN Main P.C.B. (VEP79107K) (1/4 Section)
  • Page 59 (FRONT) (REAR) Location Map DMR-EH50GN Main P.C.B. (VEP79107K) (2/4 Section)
  • Page 60 (FRONT) (REAR) Location Map DMR-EH50GN Main P.C.B. (VEP79107K) (3/4 Section)
  • Page 61 (FRONT) (REAR) Location Map DMR-EH50GN Main P.C.B. (VEP79107K) (4/4 Section)
  • Page 62 Main P.C.B. Integrated Circuit D4006 C1510 C3929 C7516 R3901 R7405 R7588 IC1501 D7403 C1511 C3935 C7517 R3902 R7406 R7589 IC1502 D7501 C1512 C3951 C7518 R3903 R7407 R7590 IC1504 D7502 C1515 C3952 C7519 R3912 R7408 R7597 IC1505 D7504 C1517 C3953 C7520 R3913 R7410 R7598...
  • Page 63 Tuner Pack P.C.B. DMR-EH50GN Tuner Pack P.C.B. (VEP07A77C)
  • Page 64 LED P.C.B. Front (L) P.C.B. DMR-EH50GN LED P.C.B. (VEP70116B) Front (L) P.C.B. (VEP70115A)
  • Page 65 Nicam Decoder P.C.B. DMR-EH50GN Nicam Decoder P.C.B. (VEP07A51A)
  • Page 66 SD Card P.C.B. (Foil Side) (Component Side) DMR-EH50GN DMR-EH50GN SD Card P.C.B. (Component Side) SD Card P.C.B. (Foil Side) (VEP73121D) (VEP73121D)
  • Page 67 18 Schematic Diagram 18.1. Interconnection Schematic Diagram POWER P7001 P7506 P1502 DR12V DR12V POWER SW ON POWER SW ON DRGND DR5V FRONT(L) P.C.B. P7402 P1101 XINTP P1102 P1501 PP7401 PS7801 SCLK UARTM2P X SW 5.8V X SW 5.8V BOOSTER5V BOOSTER 5V XINTM X SW 5.8V X SW 5.8V...
  • Page 68 D1.5V D 1.5V 3.3V CPNCIN DM CPNCIN DM SBO0 D1.5V D 1.5V DAT2 DAT0 XDIAG DAT1 P.C.B.Name Circuit Name Ref.No. DAT3 Audio Net Ref.No.4400,9000 SERIES Digital AVENC/RTSC/AVDEC/MAIN CPU-1 Ref.No.3200,3300 SERIES SBI0 P.C.B. AVENC/RTSC/AVDEC/MAIN CPU-2 Ref.No.6000,6100,6200 SERIES DMR-EH50GN Interconnection Schematic Diagram...
  • Page 69 18.2. Power Supply Schematic Diagram ZA1103 ZA1104 K3GD9BB00001 K3GD9BB00001 P1101 D1140 K2AA2H000007 L1120 L1121 B0EDKT000009 F1101 G0B233D00001 G0B233D00001 (RECTIFIER) AC INLET 250V T2AL VA1110 C1121 D4EA7471A003 0.068 C1122 C1123 1000P 1000P IC1150 C0DAC (SWITCH ZA1150: ZA1151: Collector C1151 1000P D1157 B0HADV000001 R1158 ZA1105...
  • Page 70 R1151 6800 C1152 Q1200 IC1200 330P R1208 C0DAAMA00002 B3PBA0000237 2200 (FEED BACK) (ERROR VOLTAGE DET.) R1209 R1157 R1154 D1152 001VT 9100 MAZ4100NMF R1210 C1200 R1201 R1200 8200 1200 C1153 R1205 R1206 2200P 220K 2400 COLD DMR-EH50GN Power Supply Schematic Diagram...
  • Page 71 J0JHC0000048 UNR221300L (DR P ON :ON) R1270 R1271 4700 4700 D1701 B0JCPE000015 QR1304 R1800 D1800 C1274 R1801 C1800 MA2J11100L UNR221300L 100K 25V47 (DR P ON :ON) QR1800 UNR211300L (SWITCHING) R1803 QR1801 R1802 UNR221300L 4700 (SWITCHING) DMR-EH50GN Power Supply Schematic Diagram...
  • Page 72 C0DBAKG00005 TO HDD (REG.XSW+3.8V) (DC-DC CONVERTER) R1518 10K P1103 DR12V DR GND DR GND DR5V VOUT C1513 C1514 C1705 10V470 0.01 120P C1703 IC1501 R1702 Vref C0EBJ0000143 (HDD PFAIL OUT) C1701 C1702 C1704 25V220 0.01 DMR-EH50GN Power Supply Schematic Diagram...
  • Page 73 18.3. Main Net Section (Main P.C.B. (1/3)) Schematic Diagram (M) TO P1102 POWER P.C.B. TO P9001 P1501 DIGITAL P.C.B. (Audio Net Section) P7402 X SW 5.8V X SW 5.8V X SW 12.4V X SW 12.4V XINTP XINTP SCLK G SCLK A UARTM2P G UARTM2P A XINTM...
  • Page 74 :ON) R7445 6800 C7401 16V470 REG.PS+11.6V X SW+3.8V C1520 CONT BIAS TERMINAL DRIVER SHUTDOWN IC1505 C0CBCBD00018 ection(Page: CURRENT (REG.X SW+3.3V) LIMITTER ction(Page: REFERENCE on(Page: Vout C1522 330P C1521 R1515 ANA+3.3V ANA+3.3V D+3.3V D+3.3V DMR-EH50GN Main Net Section(Main P.C.B.(1/3)) Schematic Diagram(M)
  • Page 75 JC REG.+5V REG.PS+11.6V X SW+3.8V C1511 R1505 CONT BIAS TERMINAL DRIVER SHUTDOWN IC1502 C0CBCBD00018 CURRENT (REG.ANA+3.3V) LIMITTER REFERENCE Vout Vout Vadj. C1517 470P C1515 10V47 R1507 1500 C1512 ANA+3.3V R1508 D+3.3V DMR-EH50GN C1506 10V47 Main Net Section(Main P.C.B.(1/3)) Schematic Diagram(M)
  • Page 76 AV2 PB R1507 1500 C1501 WIDE 0.022 QR7404 R1508 UNR521500L DMR-EH50GN C1506 10V47 NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR Main Net Section(Main P.C.B.(1/3)) ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. Schematic Diagram(M)
  • Page 77 18.4. A/V I/O Section (Main P.C.B. (2/3)) Schematic Diagram (AI) S VIDEO VIDEO AUDIO IN L G AADC L A G AADC R A G CIN DM A G V YIN DM A G SLICER A G IIC CLK A G IIC DATA A V SYNC DET GND GND...
  • Page 78 2SD132800L (AUDIO MUTE) R4089 2700 Q4009 2SD132800L C4070 C4072 R4067 (AUDIO MUTE) 16V220 16V220 R4080 100 C4064 R4074 4004 16V22 SB1218A0L AUDIO MUTE) M:Main Net Section(Page: AI:A/V I/O Section(Page: T:Timer Section(Page: K3901 0 DMR-EH50GN A/V I/O Section(Main P.C.B.(2/3)) Schematic Diagram(AI)
  • Page 79 AV4 V IN C3029 0.1 ENC G/Y IN AV1 FB OUT VGND AV1 V IN C3030 50V4.7 ENC B/B-Y IN AV2 FB IN C3031 0.01 REG2.5 AV2 V/Y IN C3014 C3034 C3035 0.01 6V100 DMR-EH50GN A/V I/O Section (Main P.C.B.(2/3)) Schematic Diagram(AI)
  • Page 80 LB3002 J0JGC0000020 C3033 C3032 0.01 6V100 DMR-EH50GN A/V I/O Section NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERING. (Main P.C.B.(2/3)) THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST, AND MAY BE SLIGHTLY DIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 81 18.5. Timer Section (Main P.C.B. (3/3)) Schematic Diagram (T) D7509 B0JDCE000002 X SW 5.2V C7585 6V100 TW7501 TO P7101 LED P.C.B. P7507 IC7505 IC7506 R7629 6800 C0EBJ0000336 C0EBE0000457 HDD SEL LED R7630 6800 DVD SEL LED (RESET) (RESET) R7631 6800 SD SEL LED OUT VDD GND X SW 5.2V...
  • Page 82 FAN PWM OUT2 IIC CLK AV2 PB L IIC DATA WIDE H R7652 100 K7504 0 R7628 X SW+12.4V R7576 C7534 0.01 R7563 R7574 22K C7533 6V47 C7547 1 LB7509 J0JCC0000060 X SW+12.4V R7577 10K DMR-EH50GN Timer Section(Main P.C.B.(3/3)) Schematic Diagram(T)
  • Page 83 C7571 R7616 50V22 C7569 R7614 2200P QR7508 Q7510 UNR521400L 2SD1994BR1VT (POWER SAVE :ON) (SW. :OFF) D7504 MAZ4300NLF DMR-EH50GN IMPORTANT SAFETY NOTICE: COMPONENTS IDENTIFIED WITH THE MARK HAVE TH Timer Section(Main P.C.B.(3/3)) Schematic Diagram(T) FOR SAFETY.WHEN REPLACING ANY OF THESE COMPO...
  • Page 84 R7502 C7502 3900 TL7502 100P UNREG 38V DMR-EH50GN NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR Timer Section(Main P.C.B.(3/3)) HE MARK HAVE THE SPECIAL CHARACTERISTICS ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. Schematic Diagram(T)
  • Page 85 18.6. Tuner Pack Schematic Diagram K7808 C7828 0.01 LB7803 J0JHC0 LB7802 J0JHC000032 C7817 6V47 K7810 C7809 0.01 TO PP7401 MAIN P.C.B. (MAIN NET SECTION) PS7801 BOOSTER 5V JC REG 5V IIC CLK IIC DATA SIF OUT UNREG 38V TUNER VIDEO IN NOTE:DO NO THE C SLIGH...
  • Page 86 1000 2SB1218A0L (VIDEO BUFFER) R7844 DMR-EH50GN NOTE:DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERING. Tuner Pack THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST, AND MAY BE SLIGHTLY DIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
  • Page 87 18.7. Nicam Decoder Schematic Diagram C7335 C7305 6V100 IC7302 C0EAH0000051 TO PK7701 (RESET) MAIN P.C.B. (MAIN NET SEC.) PK7301 LB7303 J0JCC0000080 L7303 1u JC REG.5V C7303 C7306 C7334 R7304 6V100 0.01 50V2.2 C7311 100P C7301 R7301 C7302 0 TO PK7702 MAIN P.C.B.
  • Page 88 TL7303 TL7301 R7314 C7313 C7312 16V10 16V10 LB7302 J0JCC0000124 C7318 16V10 R7315 C7314 DMR-EH50GN NOTE: Nicam Decoder DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM Schematic Diagram FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
  • Page 89 18.8. SD Card Schematic Diagram TO P3201 DIGITAL P.C.B. TL6802 (AVENC/RTSC/AVDEC/ MAIN CPU-1 SECTION) P6802 LB6801 J0JHC0000032 3.3V MSOTX DAT2 R6804 DAT0 XDIAG LB6802 J0JHC0000045 DAT1 R6801 100 DAT3 XSORX TL6803 RX68 12KX CKF12 CKF13...
  • Page 90 R6807 DAT0 DAT1 DAT2 C6801 0.01 RX6802 RX6801 12KX4 22X4 R6802 22 R6803 22 NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. DMR-EH50GN SD Card Schematic Diagram...
  • Page 91 18.9. LED Schematic Diagram TO P7507 MAIN P.C.B. (TIMER SECTION) P7101 X SW 5.2V SD SEL LED DVD SEL LED HDD SEL LED R7103 SD SEL D7101 B3ABA0000595 Q7101 2SD0601A0L (SD SEL LED DRIVE) R7108...
  • Page 92 0.01 Q7102 Q7103 2SD0601A0L 2SD0601A0L (DVD SEL LED DRIVE) (HDD SEL LED DRIVE) R7110 R7112 NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. DMR-EH50GN LED Schematic Diagram...
  • Page 93 Strona 1 z 1 20 Exploded Views 20.1 Casing Parts & Mechanism Section 20.2 Packing & Accessories Section http://www.tsn.npm.panasonic.com.my/viewing/ALL/DMR-EH50GN/SVC/DSD050... 2006-03-15...
  • Page 96 21 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. *Warning: This product uses a laser diode.
  • Page 97 30-5 RMR1698-S SHAFT HOLDER 30-6 RKF0728A-K TRAY DOOR 30-7 VMB3410 TRAY SPRING 30-8 RGK1886A-Q FL ORNAMENT 30-9 RMX0302 DOOR DAMPER RHD30113 SCREW RKM0532A-S TOP CASE RFKNVXY1872 RAM DRIVE UNIT 1 (RTL) RMV0302 BARRIER RMV0301 BARRIER XYN3+F8FJ SCREW RMX0323 PCB SPACER VMD4943 PCB ADAPTOR EUR7729KF0...
  • Page 98 C3010 F2A1A1010072 10V 100U C3011 ECJ1XB1C104K 16V 0.1U C3012 F2A1A4710038 10V 470U C3013 F2A1A1010072 10V 100U C3014-22 ECJ1XB1C104K 16V 0.1U C3025 ECJ1XB1C104K 16V 0.1U C3026 ECJ1VB0J105K 6.3V 1U C3027 ECJ1XB1C104K 16V 0.1U C3028 ECEA1HKA4R7 50V 4.7U C3029 ECJ1XB1C104K 16V 0.1U C3030 ECEA1HKA4R7 50V 4.7U C3031...
  • Page 99 C4077 ECJ1VF1C104Z 16V 0.1U C4082,83 ECJ2VC1H561J 50V 560P C4092 F2A1C101A637 16V 100U C4901 F2A0J470A599 6.3V 47U C4902 ECJ1VF1C104Z 16V 0.1U C4903 F2A1E4700048 25V 47U C4904 ECJ1VF1C104Z 16V 0.1U C7301 ECJ1VF1C104Z 16V 0.1U C7302 ERJ3GEY0R00 1/10W 0 C7303 ECEA0JKS101 6.3V 100U C7305 ECEA0JKS101 6.3V 100U...
  • Page 100 C7540 ECJ1VB1H103K 50V 0.01U C7541 ECJ1XC1H470J 50V 47P C7542 ECJ1XB1C104K 16V 0.1U C7543 ECJ1XC1H470J 50V 47P C7544 ECJ1XB1C104K 16V 0.1U C7546,47 ECJ1VB0J105K 6.3V 1U C7550 ECEA0JKS470 6.3V 47U C7551 ECJ1XB1C104K 16V 0.1U C7552,53 ECJ1VC1H221J 50V 220P C7554,55 ECJ1VB1H103K 50V 0.01U C7565 F2A1E221A586 25V 220U...
  • Page 101 IC7507 C0ABBA000146 IC IP1501 K5H3022A0013 IC PROTECTOR IP7501 K5H7512A0010 IC PROTECTOR IR7501 B3RAD0000092 REMOTE SENSOR JK3001 K2HA612B0055 JACK,AV4 IN/OUT JK3002 K1U415B00001 JACK,AV3 JK3003 K2HA210B0002 JACK,S-VIDEO AV4 IN/OUT JK3901 K1FB242B0004 JACK,AV1/AV2 JK3903 K1U407B00006 JACK,VIDEO/OPTICAL OUT K3901 ERJ3GEY0R00 1/10W 0 K4002 ERJ6GEY0R00V 1/8W 0 K7301-03 ERJ3GEY0R00 1/10W 0...
  • Page 102 Q7502 2SD1819AWL TRANSISTOR Q7503 2SB1218A TRANSISTOR Q7504 2SD1819AWL TRANSISTOR Q7506,07 2SD0601ARL TRANSISTOR Q7508 2SD1819AWL TRANSISTOR Q7510 2SD1994B TRANSISTOR Q7511 B1ABMD000004 TRANSISTOR QR4002-05 UN5211 TRANSISTOR 4 UNR5211 QR7401 UN5213TX TRANSISTOR 1 UNR521300L QR7403,04 UN5215TX TRANSISTOR 2 UNR521500L QR7503 UN5214TX TRANSISTOR 1 UNR521400L QR7506 UN5212TX TRANSISTOR...
  • Page 103 R4078,79 ERJ3GEYJ272 1/10W 2.7K R4080 ERJ3GEYJ101 1/10W 100 1 D0GB101JA002 R4081 ERJ3GEYJ821 1/10W 820 R4088,89 ERJ3GEYJ272 1/10W 2.7K R4090 ERJ3GEYJ221 1/10W 220 R4093 ERJ3GEYJ221 1/10W 220 R4094 ERJ3GEYJ223 1/10W 22K R4903 ERJ3GEY0R00 1/10W 0 R7301 ERJ3GEY0R00 1/10W 0 R7304 ERJ3GEYJ101 1/10W 100 1 D0GB101JA002 R7307...
  • Page 104 R7571 ERJ3GEYJ101 1/10W 100 1 D0GB101JA002 R7574 ERJ3GEYJ223 1/10W 22K R7575 ERJ3GEYJ101 1/10W 100 1 D0GB101JA002 R7576 ERJ3GEYJ102V 1/10W 1K R7577,78 ERJ3GEYJ103V 1/10W 10K 2 D0GB103JA002 R7579 ERJ3GEYJ223 1/10W 22K R7582 ERJ3GEYJ104 1/10W 100K R7583 ERJ3GEYJ472 1/10W 4.7K R7584 ERJ3GEYJ473V 1/10W 47K 1 D0GB473JA002 R7585 ERJ3GEYJ225...
  • Page 105 W729 ERJ6GEY0R00V 1/8W 0 W730,31 ERJ3GEY0R00 1/10W 0 X7301 H0D245500016 CRYSTAL OSCILLATOR X7501 H0D100500018 CRYSTAL OSCILLATOR X7502 H0A327200108 CRYSTAL OSCILLATOR VEP07A51A 1 (DECORDER P.C.B.) █ C7301 ECJ1VF1C104Z 16V 0.1U C7302 ERJ3GEY0R00 1/10W 0 C7303 ECEA0JKS101 6.3V 100U C7305 ECEA0JKS101 6.3V 100U C7306 ECJ1VF1H103Z 50V 0.01U C7307,08...
  • Page 106 D7802 MA4300N-M DIODE 1 MAZ4300NM K7808 ERJ3GEY0R00 1/10W 0 K7810 ERJ3GEY0R00 1/10W 0 LB7802-04 J0JHC0000032 COIL PS7801 VJS3042F018W CONNECTOR(18P) 1 K1KB18B00012 Q7802 2SB1218A TRANSISTOR R7811 ERG2SJ471E 2W 470 R7812 ERJ6GEYG681 1/8W 680 R7815,16 ERJ3GEYJ471 1/10W 470 R7817 ERG2SJ471E 2W 470 R7818 ERJ3GEYJ221 1/10W 220...
  • Page 107 C1402 ECJ2VB1H103K 50V 0.01U C1403 ECUV1H391JCG 50V 390P C1404 ECJ2VB1H472K 50V 4700P C1405 ECJ2XB1H102K 50V 1000P 1 ECJ2VB1H102K C1406 F2A0J681A550 6.3V 680U C1407 EEUFM1E221 25V 220U C1408,09 ECJ2VB1E104K 25V 0.1U C1410 ECJ2VB1H223K 50V 0.023U C1411 ECJ2XC1H181J 16V 180P C1412 ECJ2VB1H103K 50V 0.01U C1413 F2A1A4710038 10V 470U...
  • Page 108 LB1600 J0JHC0000048 FILTER LB1700 J0JHC0000048 FILTER P1101 K2AA2H000007 AC INLET P1102 K1KB23A00004 CONNECTOR(FEMALE) 23P P1103 K1KA04AA0190 CONNECTOR(4P) Q1200 B3PBA0000237 TRANSISTOR Q1270 B1DHED000008 TRANSISTOR Q1400 B1DHDD000022 TRANSISTOR Q1600 B1DHDD000022 TRANSISTOR Q1700 B1DDCC000009 TRANSISTOR QR1301-04 UNR221300L TRANSISTOR QR1800 UN2113 TRANSISTOR 1 UNR2113 QR1801 UNR221300L TRANSISTOR...
  • Page 109 ZA1103,04 EYF52BCY FUSE HOLDER █ VEP70115A 1 (FRONT(L)P.C.B.) P7001 K1KA03AA0301 CONNECTOR(3P) S7001 EVQPC105K SWITCH,POWER █ VEP70116B 1 (LED P.C.B.) C7101 ECJ1VB1H103K 50V 0.01U D7101 B3ABA0000595 DIODE D7102 B3ACA0000265 DIODE D7107 B3AEA0000049 DIODE P7101 VJS3042F006W CONNECTOR(6P) 1 K1KB06B00024 Q7101-03 2SD0601ARL TRANSISTOR R7101 ERJ3GEYJ103V 1/10W 10K 1 D0GB103JA002...