Table Of Contents - Daewoo DDQ-20L6SC Service Manual

TABLE OF CONTENTS

1. SAFETY INSTRUCTION .................................................................................................................
2. SPECIFICATIONS ...........................................................................................................................
3. CIRCUIT BLOCK DIAGRAM ...........................................................................................................
4. ALIGNMENT INSTRUCTIONS ........................................................................................................
4-1 . REMOTE CONTROL(R-52A01) .............................................................................................
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 ............................................................................................................ 21
8-1 . PCB MAIN ............................................................................................................................... 21
8-2 . PCB POWER .......................................................................................................................... 22
9. IC DESCRIPTION(U-COM : I701) ................................................................................................... 23
9-1 . U-COM(I701) PIN ASSIGN ..................................................................................................... 23
9-2 . PIN DISCRIPTION .................................................................................................................. 24
10. CHIP COMPONENTS POSITION(PCB MAIN) ............................................................................. 25
11. TROUBLE SHOOTING GUIDE ..................................................................................................... 26
[A] TV PART
(1) NO POWER ............................................................................................................................... 28
(2) NO DEGAUSSING OPERATING ............................................................................................... 29
(3) NO SEARCHING CHANNEL ..................................................................................................... 30
(4) NO INPUTMODE CHANGE ...................................................................................................... 31
(5) NO OSD ..................................................................................................................................... 32
(6) NO REMOCON OPERATING .................................................................................................... 33
(7) NO PICTURE ............................................................................................................................. 34
(8) VERTICAL DEFLECTION PART ............................................................................................... 35
(9) PICTURE PART ......................................................................................................................... 36
(10) COLOR SIGANL PART ............................................................................................................ 37
(11) SOUND PART .......................................................................................................................... 38
[B] DVD PART
(12) NO DVD OPERATING ............................................................................................................. 39
-1-
2
4
5
6
6
8
9