DAEWOO ELECTRONICS DV-S123W Series, Service Manual

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TABLE OF CONTENTS

SAFETY&PRECAUTIONS  ...............................................................................................  2
EXTERNAL VIEWS  ........................................................................................................  4

1. FRONT VIEWS FUNCTION  ............................................................................................................... 4

2. REAR VIEWS FUNCTION  ................................................................................................................. 5

GENERAL ADJUSTMENT  ..............................................................................................  6
SPECIFICATIONS   .......................................................................................................  7
TROUBLE SHOOTING GUIDE ........................................................................................  8

1. TROUBLE SHOOTING FLOW CHART  ................................................................................................ 8

2. VOLTAGE CHART ........................................................................................................................... 25

3. WAVEFORMS ON VIDEO CIRCUIT  .................................................................................................. 26

4. ¥ì

-COM PIN ASSIGNMENT  ........................................................................................................... 29

PRINTED CIRCUIT BOARD ............................................................................................  32

1. PCB MAIN ..................................................................................................................................... 32

2. PCB POWER(SMPS) ........................................................................................................................ 33

CIRCUIT DIAGRAM .....................................................................................................  34

1. CONNECTION DIAGRAM  .............................................................................................................. 34

2. POWER CIRCUIT ............................................................................................................................ 35

3. SERVO SYSCON CIRCUIT  ............................................................................................................... 36

4. AV INPUT OUTPUT CIRCUIT .............................................................................................................. 37

5. VIDEO AUDIO CIRCUIT  .................................................................................................................. 38

EXPLODING VIEWS & PARTS LIST  .................................................................................  39

1. PACKING AS ................................................................................................................................. 39

2. SET TOTAL ASSEMBLY  ..................................................................................................................... 40

3. FRONT PANEL ASSEMBLY  ............................................................................................................... 41

ELECTRICAL PARTS LIST  ...............................................................................................  43

1. PCB MAIN AS ................................................................................................................................ 43

2. PCB AUTO VOLT REGULATOR AS     ................................................................................................. 48

3. DIFFERNCE PARTS LIST  ................................................................................................................... 49

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