Table Of Contents - Daewoo DDQ-20L6SCN Service Manual

T ABLE OF CONTENTS
1. SAFETY INSTRUCTION .................................................................................................................
2. SPECIFICATIONS ...........................................................................................................................
3. CIRCUIT BLOCK DIAGRAM ...........................................................................................................
4. ALIGNMENT INSTRUCTIONS ........................................................................................................
4-1 . REMOTE CONTROL(R-52E05) .............................................................................................
4-2 . SERVICE MODE ADJUSTMENTS .........................................................................................
4-3 . ASSEMBLY ADJUSTMENTS .................................................................................................
5. SCHEMATIC DIAGRAM .................................................................................................................. 10
5-1 . MAIN CIRCUIT DIAGRAM ...................................................................................................... 10
5-2 . POWER CIRCUIT DIAGRAM ................................................................................................. 11
6. EXPLODED VIEW ........................................................................................................................... 12
7. ELECTRICAL PARTS LIST ............................................................................................................. 13
8. PRINTED CIRCUIT BOARD ............................................................................................................ 25
8-1 . PCB MAIN ............................................................................................................................... 25
8-2 . PCB POWER .......................................................................................................................... 26
9. IC DESCRIPTION(U-COM : I701) ................................................................................................... 27
9-1 . U-COM(I701) PIN ASSIGN ..................................................................................................... 27
9-2 . PIN DISCRIPTION .................................................................................................................. 28
10. CHIP COMPONENTS POSITION(PCB MAIN) ............................................................................. 30
11. TROUBLE SHOOTING GUIDE ..................................................................................................... 31
[A] TV PART
(1) NO POWER ............................................................................................................................... 32
(2) NO DEGAUSSING OPERATING ............................................................................................... 33
(3) NO SEARCHING CHANNEL ..................................................................................................... 34
(4) NO INPUTMODE CHANGE ...................................................................................................... 35
(5) NO OSD ..................................................................................................................................... 36
(6) NO REMOCON OPERATING .................................................................................................... 37
(7) NO PICTURE ............................................................................................................................. 38
(8) VERTICAL DEFLECTION PART ............................................................................................... 39
(9) PICTURE PART ......................................................................................................................... 40
(10) COLOR SIGANL PART ............................................................................................................ 41
(11) SOUND PART .......................................................................................................................... 42
[B] DVD PART
(12) NO DVD OPERATING ............................................................................................................. 43
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