Samsung DVD-HD745 Service Manual Download Page 26

Page: 26 / 37

This Document can not be used without Samsung’s authorization.

Samsung Electronics

5-1

5. Block Diagram

DECK ASS'Y (DP-15)

FIC1

(FAN8026)

Actuator & Motor Driver

Spindle Motor

Pick-up & I/V Amp

Remote Control

Feed Motor

ZIC2 SDRAM

Coaxial

Yout
Cout

RIC1

(SP3723)

RF Amp & DPD

ZIC1 (Vaddis-7)

A/V Decoder

CVBS

DVI

5.1CH
Audio

R/Pr

B/Pb

G/Y

A/V

Decoder

AC3 &

MPEG 5.1

Video

Encoder

(4DAC)

AUDIO

DSP

CSS

INPUT

FIFO

DEMUX

AIC2/AIC3/AIC4

(PCM1742)

2-CH Audio DAC

HIC1

(ZR36721)

VIC2

4053

MUX

AIC1

DSD1608

SAIC1

SAA7893

6dB AMP

DTS Bitstream

Compo

Y/B/Pb

C/R/Pr

Comp/G/Y

ZIC5 2KBit EEPROM

ZIC5A 4KBit EEPROM

Post

Filter

Post Filter

IEC958/1937

Post Filter

VIC1

(LA73054)

Optical

SCART
JACK

Summary of Contents for DVD-HD745

Page 1: ...E MANUAL DVD HD745 STANDBY ELECTRONICS Samsung Electronics Co Ltd JUN 2004 Printed in Korea AK82 00617A If you want to know additional information which is not included on this Service Manual please refer to the DVD HD745 Training Manual AK82 00616A This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable international and or d...

Page 2: ...erwriters Laboratories UL 1270 40 7 With the instrument s AC switch first in the ON position and then in the OFF position measure from a known earth ground metal water pipe conduit etc to all exposed metal parts of the instrument antennas handle brackets metal cabinets screw heads metallic overlays control shafts etc espe cially any exposed metal parts that offer an electri cal return path to the ...

Page 3: ...nched out of place or frayed wiring Do not change spacing between a component and the printed circuit board Check the AC power cord for damage 5 Components parts and or wiring that appear to have overheated or that are otherwise damaged should be replaced with components parts and or wiring that meet original specifications Additionally determine the cause of overheating and or damage and if neces...

Page 4: ...d lead last 2 The service precautions are indicated or printed on the cabinet chassis or components When servic ing follow the printed or indicated service precau tions and service materials 3 The components used in the unit have a specified flame resistance and dielectric strength When replacing components use components which have the same ratings Components identi fied by shading by or by in th...

Page 5: ...posure of the assem bly 3 Use only a grounded tip soldering iron to solder or unsolder ESD devices 4 Use only an anti static solder removal devices Some solder removal devices not classified as anti static can generate electrical charges suffi cient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a ...

Page 6: ... sheet This gives them the same ground as the sheet 4 Remove the optical pick up block 5 Perform work on top of the conductive sheet Be careful not to let your clothes or any other static sources to touch the unit Be sure to put on a wrist strap grounded to the sheet Be sure to lay a conductive sheet made of copper etc Which is grounded to the table Fig 1 3 6 Short the short terminal on the PCB wh...

Page 7: ... Assy 3 Make solder land 2 points short on Pick up See Fig 1 4 4 Disassemble the Pick up 1 5 2 Assembly 1 Replace the Pick up 2 Remove the soldering 2 points on Pick up 3 Reassemble the Deck Assy PICK UP ASS Y SOLDER LAND 2 POINTS SHORT Note If the assembly and disassembly are not done in correct sequence the Pick up may be damaged Fig 1 4 ...

Page 8: ...Samsung Electronics 2 1 2 Alignment and Adjustment 2 1 Location of Test Point Fig 2 1 Location of Test Point Pin 29 of RIC1 ...

Page 9: ...t Point 2 2 Skew Adjustment Test Disc Adjustment Spec Test Point Adjustment Location TDV 533 Pin 29 of RIC1 Screw A B Chapter 14 Flat Waveform Main PCB Component Side Ass y Deck Top Side See Fig 2 1 See Fig 2 2 Fig 2 2 Ass y Deck Top Side Test Disc Service not Available Table 2 1 ...

Page 10: ...Set the Oscilloscope Range as follows Voltage 20mV Div Frequency 10m Sec 3 Adjust the Screws A and B See Fig 2 2 using a Hex screwdriver until you obtain a Flat Waveform and the picture is stable Then go to Chapter 1 and make sure the Waveform is Flat here as well If not you have to go back to Chapter 14 and adjust again If you cannot obtain a Flat waveform then the unit is defective Note The Deck...

Page 11: ...Alignment and Adjustment 2 4 Samsung Electronics MEMO ...

Page 12: ...ng Electronics 3 1 3 Exploded View and Parts List 3 1 Cabinet Assembly 3 2 Deck Assembly Page 3 2 3 4 You can search for the updated part code through ITSELF web site URL http itself sec samsung co kr Notice ...

Page 13: ...015 W003 P001 C001 A001 W200 W200 C002 P005 P006 W004 W004 L100 DVD POWER PROG STEP REPLAY VOL TV VIDEO VIDEO SEL DVI SEL SUBTITLE AUDIO ANGLE REPEA T EZ VIEW ZOOM SACD CD PRE NEXT PAGE INDEX PRE NEXT BOOKMARK OPEN CLOSE INFO DI SC ME NU RE TU RN M ENU CH SKIP CLEAR TV POWER INSTANT ...

Page 14: ...ECTOR ASS Y DVD HD841 1007 26 P001 AK92 00523A ASSY PCB MAIN DVD HD745 XEV MAIN ASS CIS Only AK92 00502A ASSY PCB MAIN DVD HD745 MAIN PCB ASS Other Only P005 AK92 00446A ASSY PCB FRONT KEY DVD HD841 FRONT KEY A P006 AK92 00447A ASSY PCB POWER KEY DVD HD841 POWER KEY A P025 AC39 12022K CBF POWER CORD AT GP2 HOUING 2P 250V 3 U K Only AC39 10019A CBF POWER CORD KKP 419C H03VVH2 F VDE KE Other Only W0...

Page 15: ...Exploded Views and Parts List 3 4 Samsung Electronics 3 2 Deck Assembly H212 H205 H210 H209 H903 H104 H109 H106 H105 H107 H207 H206 H904 H904 H211 H206 H203 H103 H108 H204 H903 H903 H241 H102 H202 H900 ...

Page 16: ...K DP 15 COMBO H202 AK73 00005B RUBBER INSULATOR DP 15 BUTYL 12 HS30 H H203 AH61 50327A SHAFT P U DP 3 SUS L84 7 OD3 H204 AK66 00043A GEAR FEED A DP 15 POM H205 AK66 00044A GEAR FEED B DP 15 POM H206 AK61 00032A HOLDER CAM SKEW DP 9 POM BLACK H207 AK31 00014A MOTOR SPINDLE DP 15 3000RPM H209 AK64 00491A CHASSIS SUB DP 15 POM H210 AK31 00005A MOTOR FEED ASSY DP 9 H211 AK97 00638B ASSY PICK UP SOH DT...

Page 17: ...Exploded Views and Parts List 3 6 Samsung Electronics MEMO ...

Page 18: ...5 5 AE22 2401 000010 C AL 220uF 20 16V GP 6 3x11mm 2 AE3 2401 000922 C AL 22uF 20 16V GP TP 5x5 5 AE30 2401 002165 C AL 100uF 20 16V GP TP 6 3x7 5 AE31 2401 002165 C AL 100uF 20 16V GP TP 6 3x7 5 AE32 2401 002165 C AL 100uF 20 16V GP TP 6 3x7 5 AE33 2401 002165 C AL 100uF 20 16V GP TP 6 3x7 5 AE4 2401 000922 C AL 22uF 20 16V GP TP 5x5 5 AE5 2401 000922 C AL 22uF 20 16V GP TP 5x5 5 AE6 2401 000922 ...

Page 19: ... 0501 000341 TR SMALL SIGNAL KSC1623 L NPN 200mW SOT DQ3 0501 000341 TR SMALL SIGNAL KSC1623 L NPN 200mW SOT DR1 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 DR100 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 DR2 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 DR3 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 DR4 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 DR5 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 DR6 2007 00007...

Page 20: ...7R TP 1608 HC15 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 HC2 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 HC3 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 HC4 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 HC5 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 HC6 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 HC7 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 HC8 2203 005148 C CER CH...

Page 21: ...00122 IC NEGA FIXED REG 7908 TO 220 3P PLAS PICS4 1203 000293 IC POSI FIXED REG 7808 TO 220 3P PLAS PICS5 1203 002185 IC POSI FIXED REG 3RD13 TO 220 4P 402MI PICS8 1203 002185 IC POSI FIXED REG 3RD13 TO 220 4P 402MI PJP57 2007 000029 R CHIP 0ohm 5 1 8W TP 2012 PL2 2007 000033 R CHIP 0ohm 5 1 4W TP 3216 PL3 2007 000033 R CHIP 0ohm 5 1 4W TP 3216 PLF34 2703 000398 INDUCTOR SMD 10uH 10 3225 PLS01 AC2...

Page 22: ...22 2203 000280 C CER CHIP 0 01NF 0 5PF 50V C0G TP 1608 SAC3 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 SAC4 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 SAC5 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 SAC6 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 SAC7 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 SAC8 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 SAC9 2203 005148 C CER CHIP...

Page 23: ...ER CHIP 100nF 10 16V X7R TP 1608 ZC3 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 ZC30 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 ZC31 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 ZC32 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 ZC33 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 ZC34 2203 005148 C CER CHIP 100nF 10 16V X7R TP 1608 ZC37 2203 000426 C CER CHIP 0 018NF 5 50V C0G TP 1...

Page 24: ...hm 5 1 10W TP 1608 ZR82 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 ZR83 2007 000109 R CHIP 1Mohm 5 1 10W TP 1608 ZR84 2007 000109 R CHIP 1Mohm 5 1 10W TP 1608 ZR85 2007 000329 R CHIP 11Kohm 5 1 10W TP 1608 ZR86 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 ZR89 2007 000084 R CHIP 4 7Kohm 5 1 10W TP 1608 ZR9 2007 001164 R CHIP 75ohm 1 1 10W TP 1608 ZR90 2007 000779 R CHIP 33ohm 1 1 10W TP 1608 ZR91 2007 00...

Page 25: ...4 8 Samsung Electronics Electrical Parts List This Document can not be used without Samsung s authorization MEMO ...

Page 26: ...out RIC1 SP3723 RF Amp DPD ZIC1 Vaddis 7 A V Decoder CVBS DVI 5 1CH Audio R Pr B Pb G Y Lt Rt A V Decoder AC3 MPEG 5 1 Video Encoder 4DAC AUDIO DSP CSS INPUT FIFO DEMUX AIC2 AIC3 AIC4 PCM1742 2 CH Audio DAC HIC1 ZR36721 VIC2 4053 MUX AIC1 DSD1608 SAIC1 SAA7893 6dB AMP 6dB AMP DTS Bitstream Compo Y B Pb C R Pr Comp G Y ZIC5 2KBit EEPROM ZIC5A 4KBit EEPROM Post Filter Post Filter IEC958 1937 Post Fi...

Page 27: ...Block Diagram 5 2 Samsung Electronics This Document can not be used without Samsung s authorization MEMO ...

Page 28: ...thorization Samsung Electronics 6 1 6 Schematic Diagrams 6 1 Power 6 2 AV Decoder Main Micom 6 3 Servo 6 4 Video 6 5 Audio 6 6 SACD 6 7 Front Micom 6 8 DVI 6 9 Key Block Identification of PCB Main PCB Component Side 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 10 ...

Page 29: ...Schematic Diagrams 6 2 Samsung Electronics This Document can not be used without Samsung s authorization 6 1 Power ...

Page 30: ...Schematic Diagrams Samsung Electronics 6 3 This Document can not be used without Samsung s authorization 6 2 AV Decoder Main Micom ...

Page 31: ...Schematic Diagrams 6 4 Samsung Electronics This Document can not be used without Samsung s authorization 6 3 Servo ...

Page 32: ...Schematic Diagrams Samsung Electronics 6 5 This Document can not be used without Samsung s authorization 6 4 Video ...

Page 33: ...Schematic Diagrams 6 6 Samsung Electronics This Document can not be used without Samsung s authorization 6 5 Audio ...

Page 34: ...Schematic Diagrams Samsung Electronics 6 7 This Document can not be used without Samsung s authorization 6 6 SACD ...

Page 35: ...Schematic Diagrams 6 8 Samsung Electronics This Document can not be used without Samsung s authorization 6 7 Front Micom ...

Page 36: ...Schematic Diagrams Samsung Electronics 6 9 This Document can not be used without Samsung s authorization 6 8 DVI ...

Page 37: ...Schematic Diagrams 6 10 Samsung Electronics This Document can not be used without Samsung s authorization 6 9 Key ...

Search results

Summary of Contents for DVD-HD745

Reviews:

Related manuals for DVD-HD745

Brands by name

Popular brands

Samsung DVD-HD745, Service Manual

Search results

Summary of Contents for DVD-HD745

Reviews:

Related manuals for DVD-HD745

Brands by name

Popular brands