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Panasonic DMR-EH55EE, Service Manual

The Panasonic DMR-EH55EE is a high-quality DVD recorder with a built-in hard drive, offering extensive functionality and outstanding performance. To access the Service Manual or user manual for this product, simply visit our website and enjoy a hassle-free, free download experience at manualshive.com.

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13.6. Main Net (4/4) Section (Main P.C.B. (1/4)) Schematic Diagram (M)

UNR521500L

QR7403

D7403

MA2C165001VT

ERDS2TJ471T

R7405

4700

R7412

C7417

0.1

4700

R7411

R7404

22K

AV2_PB_L

WIDE_H

LB7402

J0JKB0000012

LB7403

J0JKB0000012

LB7411

J0JCC0000164

LB7412

J0JCC0000164

LB7420

J0JCC0000164

J0JKB0000012

LB7409

LB7405

J0JKB0000012

R7409

100

R7410

820

AV2_8

G_IEC_OUT_A

G_UARTM2P_A

EPG_ON_H

G_CSYNC_IN_A

G_UARTP2M_A

3

2

1

ZJ7405

K9ZZ00001279

LB7407

J0JKB0000012

L7402
G0A220GA0026

C7415

F1K1C105A026

C7414

F1H1A105A028

C7418

F2A0J221A458

LB7408

J0JCC0000164

C7419
1u

L7401

G0A220GA0026

LB7404

J0JKB0000012

TO P59001
DIGITAL P.C.B.
(MODEL SELECT SECTION)

K1KA88A00002

R7403

15K

TL7401

R7406

470K

C7407

0.1

R7408

15K

R7407

10K

Q7401

2SD1819AWL

R7414

4700

6

7

5

2

4

3

8

1

IC7404

C3EBFC000053

UNR521500L

QR7404

(MA165TA5VT)

T

T

T

T

G_AV2_VIN_A

AV

G_R_C_IN_A

AV

T

T

T

AV

NC

VCC

NC

SCL

SDA

VSS

/VE

NC

X_SW_12V

68

24

DR5V

16

18

DR12V

DRGND

14

DR12V

DR5V

DRGND

22

20

12

DGND

4

6

DGND

DGND

2

DGND

DGND

DGND

10

8

D3R3V

36

I2C5DT

34

DGND

IT_CK

IECOUT

I2C5CK

X_SW3R8V

X_SW_12V

X_SW_12V

X_SW3R8V

64

66

62

UARTM2P

52

50

P_OFF_L3

40

44

42

38

UARTP2M

48

46

X_SW3R2V/D3R3V

ANA3R3V

58

60

EPG_ON_H/BUSY

54

56

CSYNC_IN

ITM2A

26

XFWE

ITA2M

30

32

P_OFF_L

28

76

ANA5V

74

X_SW_12V

72

X_SW_12V

70

X_SW_12V

EPG_VIDEO

80

DGND

78

88

R_IN

86

DGND

84

RGB_CPSVIN

82

DGND

1

2

3

4

5

7

6

H

I

J

K

L

M

10

9

8

7

6

A

TO
MAIN NET SECTION
(2/4)

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.

M:Main Net Section:(Page:     )

A

AV:A/V I/O Section:(Page:     )

B

DE:Nicam Decoder Section:(Page:     )

C

T:Timer Section:(Page:     )

D

DMR-EH55EE/GC/GCS/GN
Main Net(4/4) Section
(Main P.C.B.(1/4))
Schematic Diagram(M)

LOCATION MAP

1/4

2/4

3/4

4/4

DMR-EH55EE / DMR-EH55GC / DMR-EH55GCS / DMR-EH55GN

54

Summary of Contents for DMR-EH55EE

Page 1: ...ta Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN Vol 1 Colour S Silver Type DVD Recorder ORDER NO CHM0604016CE ...

Page 2: ...agram 47 13 Schematic Diagram 49 13 1 Interconnection Schematic Diagram 49 13 2 Power Supply Schematic Diagram 50 13 3 Main Net 1 4 Section Main P C B 1 4 Schematic Diagram M 51 13 4 Main Net 2 4 Section Main P C B 1 4 Schematic Diagram M 52 13 5 Main Net 3 4 Section Main P C B 1 4 Schematic Diagram M 53 13 6 Main Net 4 4 Section Main P C B 1 4 Schematic Diagram M 54 13 7 A V I O 1 4 Section Main ...

Page 3: ...o measure the potential across the resistor 4 Check each exposed metallic part and measure the voltage at each point 5 Reverse the AC plug in the AC outlet and repeat each of the above measurements 6 The potential at any point should not exceed 0 75 volts RMS A leakage current tester Simpson Model 229 or equivalent may be used to make the hot checks leakage current must not exceed 1 2 milliampere ...

Page 4: ...y a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device fro...

Page 5: ...2 2 Precaution of Laser Diode 5 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 6: ...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 Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC Since the melting point of the lead fre...

Page 7: ...3 Service Navigation 3 1 Service Information 3 2 Caution for DivX 7 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 8: ...4 Specifications 8 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 9: ...9 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 10: ...r unit Visit www divx com vod for more information Display unit s registration code 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 D...

Page 11: ...11 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 12: ...12 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 13: ...13 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 14: ...h registration of number of playback as Divx file Number of playback of rental file is counted by the recorder When rental file is played remaining number of times that can be played back will be shown to users recorder requests users to input yes or no Following specifications have been installed for the rental files in the purpose to clarify the count condition of number of times of playback Con...

Page 15: ...trols 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 15 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 16: ...16 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 17: ...y on the front panel for over 10 seconds to turn off the power forcibly and press STOP CH UP keys on the front panel simultaneously for 5 seconds 7 1 2 When the Forcible Disc Eject can not be done 1 Turn off the power and pull out AC cord 2 Remove the Top Case 3 Put deck so that bottom can be seen 4 Slide SLIDE CAM by Eject Pin JZJ0484 or minus screw driver small in the direction of arrow to eject...

Page 18: ... its recovery process No display U99 Hang up Displayed when communication error has occurred between Main microprocessor and Timer microprocessor No display Displayed is left until the POWER key is pressed H19 Inoperative fan motor When inoperative fan motor is detected after powered on the power is turned off automatically The event is saved in memory No display No display F00 No error informatio...

Page 19: ... ERR is displayed when start up of HDD was failed Except error of setting of Power on Stand by a When normal start up was failed b When start up at HDD boot was failed c When start up from state of P OFF was failed d When start up from state of HDD SLEEP was failed HDD ERR is displayed when above each start up of HDD was failed In case b tray opens automatically and HDDERR is displayed until versi...

Page 20: ...ess STOP and OPEN CLOSE simultaneously for 5 seconds Forced power off When the power button is not effective while power is ON turn off the power forcibly When Timer REC is ON or EXT LINK is ON execute Forced Power off after releasing Timer REC or EXT LINK Display in P off mode Press Power key over than 10 seconds Aging Perform sequence of modes as Aging Description shown below continually Display...

Page 21: ...The progressive setting is initialized to Interlace The display before execution leaves When the power is on E E mode press STOP and PLAY simultaneously for 5 seconds 8 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 o...

Page 22: ... service mode Switch Interlace Progressive Press 1 4 in RTSC Return XP mode I P are switched alternately Audio 44 1 kHz 48 kHz Switch Press 2 4 in RTSC Return XP mode 48 kHz 44 1 kHz are switched alternately I P Switch Switch Interlace and Progressive in EE mode Initial setting is Interlace This command is effective during executing White Picture Output Magenta Picture Output and RTSC Return in XP...

Page 23: ...ode while executing do forced power off Method Press the POWER button more than 10 seconds Laser Used Time Indiction Check laser used time hours of drive l is the used time display in hour lLaser used time of DVD CD in Playback Recording mode is counted Press 4 1 in service mode Delete the Laser Used Time Laser used time stored in the memory of the unit is deleted Press 9 5 in service mode 23 DMR ...

Page 24: ...1 1 9 In case that the maker cannot be identified display is black out Delete the Last Drive Error Delete the Last Drive Error information stored on the DVD RAM Drive Press 9 6 in service mode Laser power confirmation Drive state is judged based on difference between laser power value at shipping and present laser power value If DVD RAM disc in not inserted NO DISC is displayed If power value stud...

Page 25: ...MAIN CPU 02 Defect of RAM Drive 03 Defect of Disc 04 Defect of Digital P C B or Communication Error 05 Defect of Digital P C B AV DEC MAIN CPU 06 Defect of HDD Display the time when the error has occurred for 5 seconds DD Day hh Hour mm Minute Accumulated working time till occuring of the error is left displayed Indicating unit Second Press 6 5 in service mode Then press 0 1 1 9 the past 19 error ...

Page 26: ...Press 8 4 in service mode P50 L Output Timer Microprocessor IC7501 76 output Low signal for AV1 pin 10 passing through inverter approx 4 4V DC at AV1 pin 10 When OK When NG Press 8 5 in service mode Tray OPEN CLOSE Test The RAM drive tray is opened and closed repeatedly is number of open close cycle times Press 9 1 in service mode When releasing this mode press the POWER button of Remote Controlle...

Page 27: ...40 Pin New RFKZ0168 Extension Cable Power P C B Fan Motor 3 Pin Same as E50 E55 Series RFKZ0339 Extension Cable MainP C B HDD 4 Pin New JZS0484 Eject Pin Same as E50 Series RFKZ03D01K Lead Free Solder 0 3mm 100g Reel New RFKZ06D01K Lead Free Solder 0 6mm 100g Reel New RFKZ10D01K Lead Free Solder 1 0mm 100g Reel New RFKZ0316 Solder Remover Lead free 10W temperature Solder 180g New RFKZ0328 Flux New...

Page 28: ...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 Positions 28 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 29: ...on 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 Remove 1 FFC and 2 screws A to remove SD Card P C B 10 6 RAM Digital P C B Module Note After replacing RAM Digital P C B Module TM AV1 is displayed on FL Once power off and start up again 29 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 30: ...s to remove Digital P C B 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 30 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 31: ...10 7 DV Jack P C B 1 Remove 1 Screw A to remove DV Jack P C B 10 8 HDD 31 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 32: ...2 Remove 4 Screws A to remove HDD Angle with HDD 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 10 9 Rear Panel 1 Disconnect Fan Connector 32 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 33: ...nel 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 33 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 34: ...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 10 12 Tuner P C B 1 Pull out the Tuner P C B in the direction of the arrow 34 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 35: ...rements 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 35 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 36: ...11 1 2 Checking and Repairing of RAM Digital P C B Module 36 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 37: ...11 1 3 Checking and Repairing of Main P C B 37 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 38: ...11 1 4 Checking and Repairing of HDD 38 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 39: ...11 2 Caution for Replacing Parts 11 2 1 Items that should be done after replacing parts 39 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 40: ... 9 Press Power button to turn off power 10 Press Power button to turn on power 11 HELLO SELF CHECK are displayed on FL 12 UNFORMAT is displayed on FL 13 After UNFORMAT was displayed message to request FORMAT is displayed on TV screen 14 Select Yes and press ENTER key to format HDD After FORMAT program in HDD will be lost but Main firm will not be lost Write of the main farm is completed above Driv...

Page 41: ...ack In case of that the trouble is caused by SD card and or DV terminal Models with SD Card or DV Input Jack 1 SD Card Check to be able to display and copy the picture 2 DV terminal Check to be able to record from DVC 8 After checking and making repairs upgrade the firmware to the latest version Make sure that FIRM_SUCCESS appears in the FL displays UNSUPPORT display means the unit is already upda...

Page 42: ...42 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 43: ...DR 12V DR P ON IC7501 42 SECTION TIMER FROM ON QR1501 E FET D S G Q1509 DR 12V OUT 1 2 3 5 6 7 8 4 AC INLET P1101 SURGE SUPPRESSOR AND SURGE ABSORBER F1101 VA1110 L1120 D1140 C1143 RECTIFIER T1150 POWER SWITCHING TRANSFORMER 12 P1 2 1 3 4 9 5 IC1150 SWITCHING IC VCC GND Z C F B 10 8 7 P2 V2 V1 7 VIN S2B S2A S1A S1B 2 3 4 5 1 3 2 D1270 2 1 IP1601 SWITCHING QR1800 QR1801 1 2 7 6 Vin PW ON FET Gate D...

Page 44: ...gram 35 Except EG 6 3 IC7301 IC7302 1 3 VDD OUT RESET 26 IC7301 FB S CS EXT D 2 6 5 1 G 3 Q59501 REG D 12V 4 8 ON OFF 2 5 7 VIN 1 IC59501 DC DC CONVERTER IC50001 IC53003 IC53202 IC53203 5V IC50001 IC53001 IC53003 IC57001 3 3V VIN 1 2 3 VOUT REG D 3 3V IC50001 IC55004 I C55006 IC57001 3 3V Q7513 IC50001 IC50002 IC50004 3 3V 12V IC59504 ON D 3 8V 60 62 P7402 P59001 ANA 3 3V D 3 3V 56 P7402 P59001 42...

Page 45: ... a b SW9 OUT V AV4 24 23 a b SW8 OUT C AV4 22 SW7 a b OUT Y AV4 20 19 OUT G AV1 17 6MHz SW5 12MHz a b c 15 OUT Y COMP 14 SW6 a b c d OUT B AV1 12 OUT B Y COMP 11 6MHz SW4 12MHz a b c d OUT R C AV1 9 SW3 a b c VIDEO PROCESSOR IC3001 OUT R Y COMP 7 SW2 a b c SW1 12MHz 6MHz CLAMP BIAS CLAMP CLAMP BIAS CLAMP LPF 6MHz CLAMP BPF 6MHz BIAS a b CLAMP BIAS c b a AV2 V Y AV2 B AV2 G AV2 R C AV3 V AV3 C AV3 ...

Page 46: ...UDIO 15 14 PS7801 PP7401 4 PS7801 PP7401 5 NICAM A2 IC7301 SIF IN MONO L OUT R OUT 1 2 25 38 TUN Lch 62 54 TUN Rch AV4 TUN SA5L BUFF e d c b a SA1L e d c b a SA3L e d c b a SA2L 58 AV3 Lch FRONT AV3 FRONT INPUT JACK JK3002 AUDIO Lch MONO LINE Rch LINE 9 10 11 12 13 d c b a SA4R SELECT SWITCH OUTPUT AV3 Rch 50 SA5R TUN AV4 BUFF e d c b a SA2R AUDIO IN ch1 L AUDIO IN ch2 R AUDIO IN ch1 L AUDIO IN ch...

Page 47: ...22 FAN LOCK H 39 TBUS CLK 35 37 P7402 SCLK P7402 SBPTM DR POWER ON 42 KEY IN1 S7504 EE OPEN CLOSE IR QR4003 XT MUTE 85 IC3001 SLICER VIDEO KEY IN3 KEY IN2 Q7501 Q7503 12 PP7401 PS7801 PS7801 PP7401 8 7 30 29 30 29 IIC DATA IIC CLK DMR EH55EE GC GCS GN Timer Block Diagram POWER SUPPLY SECTION TO TU POWER ON DI POWER ON 43 44 P OFF U V TUNER TU7801 SDA XIN XOUT 15 13 10MHz X7501 XCOUT XCIN 11 10 32 ...

Page 48: ...DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN 48 ...

Page 49: ...M2A AU5V DR5V XMPREQ DR5V DRGND SBPTM DRGND XINTM DR12V SCLK DR12V XINTP DGND DGND DGND SBMTP DGND DGND DGND DGND DGND DGND 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 22 20 23 21 DGND DGND DGND 2 1 3 4 R_IN B_IN DGND DGND RGB_CPSVIN G_IN DGND DGND EPG_VIDEO BS_ON DGND DGND ANA5V CPNCIN_DM X_SW_12V DGND X_SW_12V V_YIN_DM X_SW_12V DGND X_SW_12V BPBOUT_...

Page 50: ... 8 1 3 4 2 23 22 K1KB23A00004 TO P1501 MAIN P C B MAIN NET 1 4 SECTION P1102 L1270 G0A100H00025 VWJ0795 5 LB1123 C1143 F2B2W4700003 D1141 B0AAGR000003 2 3 1 11 10 12 6 4 5 8 7 9 ETS28BF1W6AD T1150 ECQU2A223MLC C1121 K1123 VWJ0795 10 4 3 1 2 B0EDKT000009 D1140 3 1 2 B0JBSG000010 D1270 LB1124 VWJ0795 5 4 7 2 1 3 9 5 C0DACZH00017 IC1150 ERJ6GEY0R00V LB1126 22 F2A1V6800002 C1150 EEUFM1V680B 35V68 JG B...

Page 51: ...SW12V X_SW12V X_SW12V X_SW3R8V X_SW3R8V 21 22 20 FANLOCK FAN_GND 23 FANOUT P_SAVE_L X_SW12V P T T X_SW15R5V ANA3R3V ANA5V NC NC X_SW5R2V MM1685C NC CN GND V OUT ON H V IN NC GND V IN V OUT ON H TUREG5V PG050DNA1ZPH VO NC VIN CNT GND S 815A33AMC I2STFG X_SW3R3 NC CN GND CNT VIN GND VO NC V OUT NC NC V IN ON H MM16830 S 815A50AMC I3JTFG 1 2 3 4 5 6 7 8 9 10 P_SAVE_L T FANLOCK T FANOUT T 5 4 3 2 1 C ...

Page 52: ...1 2 4 5 IC7402 C0CBCDC00052 4 2 1 3 5 IC7401 C0CBCYG00004 AFC SIFOUT UNREG38V IICDATA AUDIOOUT GND GND GND PS5V BOOSTER5V SW2 IICCLK GND TUREG5V CPSVOUT EB DE DE T DE TUNERVIDEOIN TUNER PACK RFC_AUDIO EB RFC_AMUTE EB CN NC GND ON H VIN NC MM1685A NC VOUT T PS5V AV AV AV T T AV T T T T AV AV UN5213 TX T T DE T AV GND VIN ON H VADJ PQ200WNA1ZPH VOUT BOOSTER 5V PS11R6V VO NC GND CNT VIN S 815A50AMC I...

Page 53: ...MPREQ 51 49 DGND DGND 61 DGND 57 59 BPBOUT_DM COUT_DM YOUT_DM RPROUT_DM MIXLOUT_DM MIXROUT_DM GPYOUT_DM CPNCIN_DM 75 DGND 73 DGND 69 71 V_YIN_DM 77 DGND DGND 85 G_IN 83 BS_ON 79 81 DGND A B C D E F G 1 2 3 4 5 7 6 C1527 1 R1506 2200 6 7 5 2 4 3 8 1 B1DHED00008 Q1501 C1529 10V470 C1516 50V150 6 7 5 2 4 3 8 1 B1DHED000008 Q1509 R1507 8200 QR1503 UNR521300L C1526 1 C1519 1 C1528 1 R1505 82K 25V100 C1...

Page 54: ..._A AV G_R_C_IN_A AV T T T AV NC VCC NC SCL SDA VSS VE NC X_SW_12V 68 24 DR5V 16 18 DR12V DRGND 14 DR12V DR5V DRGND 22 20 12 DGND 4 6 DGND DGND 2 DGND DGND DGND 10 8 D3R3V 36 I2C5DT 34 DGND IT_CK IECOUT I2C5CK X_SW3R8V X_SW_12V X_SW_12V X_SW3R8V 64 66 62 UARTM2P 52 50 P_OFF_L3 40 44 42 38 UARTP2M 48 46 X_SW3R2V D3R3V ANA3R3V 58 60 EPG_ON_H BUSY 54 56 CSYNC_IN ITM2A 26 XFWE ITA2M 30 32 P_OFF_L 28 76...

Page 55: ... IC DETAIL BLOCK DIAGRAM IC7401 PS 11 6V SWITCHING REGULATOR IC DETAIL BLOCK DIAGRAM IC7403 PS 5V SWITCHING REGULATOR IC DETAIL BLOCK DIAGRAM IC1505 XSW 3 3V SWITCHING REGULATOR IC DETAIL BLOCK DIAGRAM IC1521 ANA 3 3V SWITCHING REGULATOR IC DETAIL BLOCK DIAGRAM IC7402 BOOSTER 5V SWITCHING REGULATOR IC DETAIL BLOCK DIAGRAM IC1520 ANA 5V SWITCHING REGULATOR IC DETAIL BLOCK DIAGRAM IC1522 RESET IC DE...

Page 56: ...G R4076 820 16V22 C4063 R4093 120 ECJ1VF1C104Z C4065 C4061 ECJ1VF1C104Z R4081 820 R4001 ERJ3GEY0R00V 33P 22 C4057 G_MIXROUT_A R4057 D0HB123ZA002 16V22 C4034 D0HB682ZA002 R4047 R4089 2700 2SD132800L Q4009 C4083 ECJ2VC1H561J 3 1 2 D4006 MA3Z142D0LG MA142WA TX 2SD1328 TX IN1 VEE MA142WA TX IN2 2SD1328 TX 2SD1328 TX 2SD1328 TX VO1 IN1 GND VOUT NR ON H VIN IN2 VCC VO2 VEE IN2 IN1 M VCC VO2 IN2 VO1 UN52...

Page 57: ...20 T S AV3 IN C DECODER Y M 4 8 7 9 5 6 13 10 12 11 15 14 9 5 2 1 4 3 7 8 6 16 15 17 11 12 AV1 10 14 13 2 3 1 AV2 18 20 21 19 17 16 MA165TA5VT TV GND VIDEO OUT VIDEO IN Y IN GND V IN BLUE GREEN DATA AV2 12V CONTROL GND BLUE RED C IN GND RED BLUE GND A PB 12V GND GREEN GND A DATA GND RED CONTROL RED C OUT GND BLUE VIDEO IN BLANKING GND V IN GND V OUT GND BLANK GND GREEN AUDIO IN CH2 R AUDIO OUT CH2...

Page 58: ...5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 19 21 22 5 4 3 2 1 C B A B TO A V I O SECTION 1 4 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 DMR EH55EE GC GCS GN A V I O 3 4 Section Main P C B 2 4 Schematic Diagram AV M Main Net Section Page A AV A V I O Sectio...

Page 59: ... 0 1 C3038 SW C IN CB Y CR VCC or GND G OR M T M M M Y AV4 RCA JACK Y C NC NC AV1 LOUT AV2 ROUT AGND R AV1 ROUT AV2 LOUT NC NC 9VL 9VR DT LIN DA LIN AV2 LIN 1 2REF DA RIN TU RIN DT RIN AV1 LIN AV4 LIN 51 AV4 RIN 53 AV2 RIN 52 AV1 RIN 50 FRONT RIN 33 AV1 V IN FRONT LIN AV4 C IN AV3 C IN VCC 5V EXT CTL4 AV3 Y IN 1 2REF GND VCC 11R6V AV4 Y IN VCC ALL 5V DT C IN DT Y IN TU LIN 9VREG GND B Y OUT EXT CT...

Page 60: ... R C AV3 V AV3 C AV3 Y AV1 V 31 5 3 1 37 45 41 33 99 97 95 93 91 SA4L SELECT SWITCH OUTPUT 71 AV1 Lch 78 ADC Lch 73 AV2 Lch 74 AV2 Rch 79 ADC Rch AV1 Rch 72 LPF BUFF MUTE AGC AMP ADC Lch LPF BUFF MUTE LPF BUFF MUTE d c b a MUTE BUFF LPF AMP ADC Rch AGC MIX VCA MUTE RF OUT 76 TUN Lch 62 54 TUN Rch AV4 TUN SA5L BUFF e d c b a SA1L e d c b a SA3L e d c b a SA2L 58 AV3 Lch d c b a SA4R SELECT SWITCH O...

Page 61: ...C VSSA3 VCC VDDD1 CDE2 PCLK N C VDEC2 AF1I VSSD2 AGND NICAM AF1D TPB N C 1REF LF2 VDDR2 N C TEST2 N C VSSA2 N C ADDR1 AFR XTAL0 LF1 XTAL1 XTAL SDA OUT L VREF2 VREF P1 MONO IN EXTM VSSD3 N C EXTIL EXTL EXT IR EXTR OUTM P2 VSSA4 N C SCK AF21 SYS CLK CTRIG VDDD3 CID OUT R WS AF20 M T T IN OUT G M AV AV GND IN OUT 3 2 1 Vref PLL SC2 NARROW BAND FM DEMODULATOR PLL SC1 NARROW BAND FM DEMODULATOR 2 AMPLI...

Page 62: ...9 100 R7601 1K R7655 100 R7572 100 R7607 100 C7557 0 01 C7556 0 01 C7558 0 01 S13 S14 DP7501 A2BD00000145 R7558 2K C7542 0 1 AV AV M M GND OUT 2SD1819 TX M AV 2SD1819 TX VCC FL14 FL15 P3 1G 37 35 1GA P5 FL13 P4 P4 36 31 FL11 R8A66021GP FL21 40 P2 P2 FL20 FL24 F NX F 42 1GA 1G 45 44 NP P1 P1 41 FL23 FL26 FL25 FL17 FL18 NC P3 38 FL16 20 FL22 FL19 1GA 1G 39 CS FL00 11 FL30 12 FL29 FL28 VCC XIN RESET ...

Page 63: ...000153 C7577 0 1 X_SW_5R2V GND UNREG_38V DDGND R7616 47K LB7519 VWJ0795 5 R7615 47K MAZ4180NHF D7508 ERDS2TJ271T R7617 M M M M BD485G 5VDET or G R3111N451A TL or VDD GND OUT NC 1 2 3 4 5 6 7 8 9 10 GND VDD OUT 1 3 2 Vref F2A1C121A453 C7593 K7504 0 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 AM...

Page 64: ... 54 HDMI_5VREG RFC_A_MUTE FL_100MM_H 53 NC GND TEST2 H 31 ONBOARD EPG_TXD TBUS_RXD EPG_TRIG TBUS_CLK IIC_CLK NC OPEN IIC_DATA TBUS_TXD FAN_LOCK1 HDMI_3VREG NC 5V SYNC_DET FL_CS L WIDE_H AV2_PB_L P_SAVE L DR_P_ON H DI_P_ON H AV4_SIN L TU_P_ON H HDD_PFAIL L VSYNC FL_TXD FL_RXD M1 GND SYNCIN AV NC GND AVCC 5V VDD2 5V 3R3V_OFF_H LP3 TEST1 VSS2 GND DC_R_CH AFC KEYIN1 AV2_PIN8 DC_L_CH CVIN KEYIN3 KEYIN2...

Page 65: ...3_POWER AV M M M 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 19 20 21 H I J L K M N O P Q S T R 18 FANOUT R7625 10K 10K R7624 C7587 1 R7627 30K R7626 820 B1ABMD000004 Q7511 R7575 100 FANLOCK X_SW_12R4V 22K R7574 0 01 C7588 6 7 5 2 4 3 8 1 C0ABBA000073 IC7507 0 1 C7590 M M M B OUT V B IN B IN A IN A OUT GND A IN S7505 EVQ11A04M SELECT 8 7 6 5 1 2 3 4 B IN B IN BOUT V GND A IN A IN AOUT 10 9 8 7 6 D T...

Page 66: ...7809 C7817 F2A0J470A599 R7811 ERDS2TJ102T 680 R7844 680 R7812 Q7802 2SB1218A0L R7816 470 C7819 33P or MSDA SDA MSCL RFAGC SCL 5V VIF SIF OUT AFT OUT BTL 30VIN AUDIO OUT VIDEO OUT VIDEOIN 5V RFC 5V TUNER SW VIF BOOSTER B AUDIO IN AFC GND IIC_DATA SIF_OUT UNREG_38V TO MAIN TUNER_VIDEO1 AUDIO_OUT GND RFC_A_MUTE GND BOOSTER_5V RFC_AUDIO SW2 IIC_CLK GND PS_5V CPS_V_OUT JC_REG_5V DMR EH55EE GC GCS GN Tu...

Page 67: ...220JV RX6801 R6804 22K SDAT2 C6801 0 01 SCMD G_SCLK_B SDAT0 SDAT1 22 R6802 SWP SDAT3 SDAT3 SDAT0 SCMD SDAT2 R6801 100 LB6801 J0JHC0000032 SDAT1 G_SCLK_B DAT3 CLK WP GND COM 3R3V CMD GND DAT1 DAT0 FG SCDA4A0200 DAT2 CD FG GND GND XSORX TPB TPA TPA TPB XDIAG XSOTX D3R3V WP CMD CD GND CLK DAT3 DAT2 DAT0 DAT1 D3R3V DMR EH55EE GC GCS GN SD Card Schematic Diagram 10 9 8 7 6 5 4 3 2 1 F E D C B A SLIGHTL...

Page 68: ...ED SINCE THIS DRAWING WAS PREPARED 13 19 DV Jack Schematic Diagram 2 1 4 3 P37002 K2HZ104B0012 2 4 3 1 6 5 K1KA06B00181 P37001 TO PS57001 DIGITAL P C B BE 2 4 SECTION TO DV JACK TPB TPA TPA IMSA 9390S 04Z901 TPB TPB TPB TPA NC NC TPA IMSA 9850B 06Z900 B 4 3 2 1 A DMR EH55EE GC GCS GN DV Jack Schematic Diagram NOTE DO NOT USE THE PART NUMBER SHOWN ON THIS DRAWING FOR ORDERRING THE CORRECT PART NUMB...

Page 69: ...2 3 4 5 6 7 8 9 Power P C B DMR EH55EE GC GCS GN Power P C B VEP71110A COLD HOT 0 1 1 1 2 3 0 1 2 1 0 1 2 4 0 2 0 1 5 1 2 0 6 5 0 0 0 0 1 4 0 0 0 4 0 4 71 0 0 5 0 0 1 0 203 24 454 6 0 0 7 0 0 2 0 0 80 9 0 0 0 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN 69 ...

Page 70: ...2 1 Main P C B 1 4 Section 1 2 3 4 A B C EE Location Map REAR DMR EH55EE GC GCS GN Main P C B RFKB79119JT EH55EE RFKB79119KT EH55GC GCS GN 1 4 Section 1 4 2 4 3 4 4 4 FRONT DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN 70 ...

Page 71: ... Main P C B 2 4 Section 5 6 7 8 Location Map REAR DMR EH55EE GC GCS GN Main P C B RFKB79119JT EH55EE RFKB79119KT EH55GC GCS GN 2 4 Section 1 4 2 4 3 4 4 4 FRONT DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN 71 ...

Page 72: ... P C B 3 4 Section D E F Main P C B Location Map REAR DMR EH55EE GC GCS GN Main P C B RFKB79119JT EH55EE RFKB79119KT EH55GC GCS GN 3 4 Section 1 4 2 4 3 4 4 4 FRONT DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN 72 ...

Page 73: ... 2 4 Main P C B 4 4 Section Location Map REAR DMR EH55EE GC GCS GN Main P C B RFKB79119JT EH55EE RFKB79119KT EH55GC GCS GN 4 4 Section 1 4 2 4 3 4 4 4 FRONT DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN 73 ...

Page 74: ...03 F 8 LB7412 B 4 C3015 E 7 C4057 C 7 C7516 E 3 R3060 B 2 R4094 E 6 R7565 E 4 DP7501 D 2 Q7401 F 8 D7501 F 3 LB7413 C 3 C3016 E 7 C4059 D 4 C7517 E 3 R3061 B 2 R7304 F 5 R7566 E 4 Q7402 F 7 D7502 E 4 LB7414 C 3 C3017 E 7 C4060 B 7 C7518 E 3 R3062 B 2 R7307 F 5 R7567 E 4 Q7501 D 3 D7504 F 3 LB7415 C 4 C3018 E 7 C4061 C 6 C7519 E 3 R3901 F 8 R7312 E 5 R7568 D 4 Q7502 D 3 D7505 F 3 LB7416 C 3 C3019 E...

Page 75: ...B and DV Jack P C B 1 A B C D 2 3 4 5 1 A B C D 2 3 4 5 DMR EH55EE GC GCS GN DV Jack P C B VEP73135A DMR EH55EE GC GCS GN Tuner P C B VEP07A91D DV Jack P C B Tuner P C B DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN 75 ...

Page 76: ... and Front L P C B 1 A B C D 2 3 4 5 1 A B C D 2 3 4 5 DMR EH55EE GC GCS GN Front L P C B VEP70161A DMR EH55EE GC GCS GN SD Card P C B VEP73136A Front L P C B SD Card P C B DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN 76 ...

Page 77: ...1 0 4 8 5 1 Ref No MODE 1 2 3 4 5 6 7 8 1 2 3 4 5 REC 3 3 2 0 0 4 8 4 1 0 0 5 0 5 1 PLAY 3 3 2 0 0 4 8 4 1 0 0 5 0 5 1 STOP 3 3 2 0 0 4 8 4 1 0 0 5 0 5 1 Ref No MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 REC 2 0 2 5 1 6 0 1 6 5 0 1 6 5 0 0 4 0 3 1 6 0 4 1 7 1 7 1 6 0 4 0 1 7 1 7 PLAY 2 0 2 5 1 6 0 1 6 5 0 1 6 5 0 0 4 0 3 1 6 0 4 1 7 1 7 1 6 0 4 0 1 7 1 7 STOP 2 0 2 5 1 6 0 1 6 5 0 1 6...

Page 78: ... 3 0 4 9 PLAY 3 1 3 2 0 4 8 4 6 3 3 3 3 0 3 3 3 2 3 3 0 4 9 STOP 3 1 3 2 0 4 8 4 6 3 3 3 3 0 3 3 3 2 3 3 0 4 9 Ref No MODE 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 REC 0 4 9 4 9 4 8 0 4 9 5 0 5 0 4 9 0 4 9 0 0 1 0 0 0 5 0 PLAY 0 4 9 4 9 4 8 0 4 9 5 0 5 0 4 9 0 4 9 0 0 1 0 0 0 5 0 STOP 4 9 4 9 4 9 4 8 0 4 9 5 0 5 0 4 9 0 4 9 0 0 1 0 0 0 5 0 Ref No MODE 61 62 63 64 65 66 67 68 69 ...

Page 79: ...006 Q4007 Q7401 QR4004 QR4003 QR4002 QR1503 Q7505 Q7511 Q7510 Q7508 Q7507 Q7506 Q1501 Q1509 Q7402 Q7501 Q7502 Q7503 Q7504 Q4009 Q4008 QR1501 QR7508 QR7507 QR7404 QR7403 QR7402 QR7401 15 1 3 Tuner P C B Ref No MODE E C B REC 3 8 1 2 3 1 PLAY 3 8 1 2 3 1 STOP 3 8 1 2 3 1 Q7802 15 1 4 P59001 Connector Ref No MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 REC 0 0 0 0 0 0 0 0 0 0 0 0 3 3 12 3 ...

Page 80: ...v P7402 71 REC PLAY 1 0Vp p 20 sec div P7402 67 REC PLAY 0 6Vp p 20 sec div P7402 63 REC PLAY 1 0Vp p 20 sec div P7402 59 REC PLAY 0 6Vp p 20 sec div P7402 55 REC PLAY 0 8Vp p 20 sec div P7402 29 31 REC PLAY 0 8Vp p 1m sec div T1150 8 STOP 30Vp p 5 sec div T1150 12 STOP 10Vp p 2m sec div IC1150 1 STOP 10 0Vp p 5 sec div IC1150 9 STOP 580Vp p 5 sec div 80 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55G...

Page 81: ...ST ADDRESS HOST DATA HOST INTERRUPT HOST READ WRITE INITIAL LOGO ABBREVIATIONS I IECOUT IPFRAG IREF ISEL IEC958 FORMAT DATA OUTPUT INTERPOLATION FLAG I CURRENT REFERENCE INTERFACE MODE SELECT L LDON LPC LRCK LASER DIODE CONTROL LASER POWER CONTROL L CH R CH DISTINCTION CLOCK M MA0 UP MCK MCKI MCLK MDATA MDQ0 UP MDQM MLD MPEG MEMORY ADDRESS MEMORY CLOCK MEMORY CLOCK INPUT MEMORY SERIAL COMMAND CLOC...

Page 82: ...E REFERENCE SOURCE POWER SUPPLY VOLTAGE W WAIT WDCK WEH WSR BUS CYCLE WAIT WORD CLOCK WRITE ENABLE HIGH WORD SELECT RECEIVER X X XALE XAREQ XCDROM XCS XCSYNC XDS XHSYNCO XHINT XI XINT XMW XO XRE XSRMCE XSRMOE XSRMWE XVCS XVDS XVSYNCO X TAL X ADDRESS LATCH ENABLE X AUDIO DATA REQUEST X CD ROM CHIP SELECT X CHIP SELECT X COMPOSITE SYNC X DATA STROBE X HORIZONTAL SYNC OUTPUT XH INTERRUPT REQUEST X TA...

Page 83: ...16 Parts and Exploded Views 16 1 Exploded Views 16 1 1 Casing Parts Mechanism Section 83 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 84: ...16 1 2 Packing Accessories Section 84 DMR EH55EE DMR EH55GC DMR EH55GCS DMR EH55GN ...

Page 85: ...810022 10V 680P 1 C1608 ECJ2VB1E104K 25V 0 1U 1 C1701 F2A1E2210050 25V 220U 1 C1702 ECJ1VB1C104K 16V 0 1U 1 C1703 ECJ1VB1C104K 16V 0 1U 1 C1704 ECJ1VB1C104K 16V 0 1U 1 C1705 ECJ1VC1H181J 50V 180P 1 Ref No Part No Part Name Description Pcs Remarks C1706 ECJ1VB1H103K 50V 0 01U 1 C1707 F2A0J6810007 6 3V 680P 1 C1800 F2A1E4700048 25V 47U 1 D1140 B0EDKT000009 DIODE 1 D1151 B0HAGM000006 DIODE 1 D1152 MA...

Page 86: ...C104K 16V 0 1U 1 C3005 ECA0JM471B 6 3V 470U 1 C3006 ECA0JM471B 6 3V 470U 1 C3007 F2A1A4710038 10V 470U 1 C3008 F2A1A1010072 10V 100U 1 C3009 F2A1A4710038 10V 470U 1 C3010 F2A1A1010072 10V 100U 1 C3011 ECJ1VB1C104K 16V 0 1U 1 C3012 F2A1A4710038 10V 470U 1 C3013 F2A1A1010072 10V 100U 1 C3014 ECJ1VB1C104K 16V 0 1U 1 C3015 ECJ1VB1C104K 16V 0 1U 1 C3016 ECJ1VB1C104K 16V 0 1U 1 C3017 ECJ1VB1C104K 16V 0 ...

Page 87: ...1 C7516 ECJ1VC1H180J 50V 18P 1 C7517 ECJ1VC1H180J 50V 18P 1 C7518 F1H1H220A799 50V 22P 1 C7519 ECJ1VC1H180J 50V 18P 1 C7520 ECJ1VB1C104K 16V 0 1U 1 C7522 ECJ1VC1H101J 50V 100P 1 Ref No Part No Part Name Description Pcs Remarks C7523 ECJ1VB1H103K 50V 0 01U 1 C7524 ECJ1VB1C104K 16V 0 1U 1 C7528 ECJ1VB1C104K 16V 0 1U 1 C7531 ECJ1VC1H100D 50V 10P 1 C7532 ECJ1VC1H100D 50V 10P 1 C7534 ECJ1VB1H103K 50V 0...

Page 88: ...ription Pcs Remarks LB7416 J0JCC0000164 COIL 1 LB7417 J0JCC0000103 COIL 1 LB7418 J0JCC0000103 COIL 1 LB7419 J0JCC0000103 COIL 1 LB7420 J0JCC0000164 COIL 1 LB7501 ERJ3GEY0R00V 1 10W 0 1 LB7502 ERJ3GEY0R00V 1 10W 0 1 LB7507 ERJ3GEY0R00V 1 10W 0 1 LB7508 ERJ3GEY0R00V 1 10W 0 1 LB7509 J0JCC0000060 COIL 1 LB7510 ERJ3GEY0R00V 1 10W 0 1 LB7515 ERJ3GEY0R00V 1 10W 0 1 LB7516 ERJ3GEY0R00V 1 10W 0 1 LB7517 E...

Page 89: ... 0 1 R7319 ERJ3GEY0R00V 1 10W 0 1 R7322 ERJ3GEY0R00V 1 10W 0 1 Ref No Part No Part Name Description Pcs Remarks R7324 ERJ3GEYJ221V 1 10W 220 1 R7325 ERJ3GEYJ221V 1 10W 220 1 R7326 ERJ3GEY0R00V 1 10W 0 1 R7401 ERJ3GEYJ104V 1 10W 100K 1 R7402 ERJ3GEYJ103V 1 10W 10K 1 R7403 ERJ3GEYJ153V 1 10W 15K 1 R7404 ERJ3GEYJ223V 1 10W 22K 1 R7405 ERDS2TJ471T 1 4W 470 1 R7406 ERJ3GEYJ474V 1 10W 470K 1 R7407 ERJ3G...

Page 90: ... 1 W520 ERJ3GEY0R00V 1 10W 0 1 W521 ERJ3GEY0R00V 1 10W 0 1 W522 ERJ3GEY0R00V 1 10W 0 1 W523 ERJ3GEY0R00V 1 10W 0 1 W524 ERJ3GEY0R00V 1 10W 0 1 W525 ERJ3GEY0R00V 1 10W 0 1 W527 ERJ3GEY0R00V 1 10W 0 1 W528 ERJ3GEY0R00V 1 10W 0 1 Ref No Part No Part Name Description Pcs Remarks W529 ERJ6GEY0R00V 1 8W 0 1 W530 ERJ6GEY0R00V 1 8W 0 1 W531 ERJ6GEY0R00V 1 8W 0 1 W532 ERJ6GEY0R00V 1 8W 0 1 W533 ERJ6GEY0R00...

Page 91: ...1 GCS GC 18 1 RGK1968A Q FL ORNAMENT 1 18 2 RGK1971A S REC BUTTON RING 1 18 3 RYF0798D S PANEL DOOR ASS Y 1 18 4 RKF0751A K TRAY DOOR 1 18 5 VMB3410 TRAY SPRING 1 18 6 RHD26045 SCREW 2 18 7 RKF0754 K SD BLINDER 1 18 8 RMB0841 SD LID SPRING 1 18 9 RMR1767 K SD CHASSIS 1 Ref No Part No Part Name Description Pcs Remarks 19 RHD30113 SCREW 2 20 RFKV0069HDK HDD 160GB 1 21 RKM0552A S TOP COVER 1 22 RMN08...

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