-1-
TABLE OF CONTENTS
1. SAFETY INSTRUCTION .................................................................................................................
2
2. SPECIFICATIONS ...........................................................................................................................
4
3. CIRCUIT BLOCK DIAGRAM ...........................................................................................................
5
4. ALIGNMENT INSTRUCTIONS ........................................................................................................
6
4-1 . REMOTE CONTROL(R-52A01) .............................................................................................
6
4-2 . SERVICE MODE ADJUSTMENTS .........................................................................................
8
4-3 . ASSEMBLY ADJUSTMENTS .................................................................................................
9
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
Summary of Contents for DDQ-20L6SC
Page 11: ...5 SCHEMATIC DIAGRAM 10 5 1 MAIN CIRCUIT DIAGRAM ...
Page 12: ...SCHEMATIC DIAGRAM 11 5 2 POWER CIRCUIT DIAGRAM ...
Page 22: ...7 PRINTED CIRCUIT BOARD 21 7 1 PCB MAIN ...
Page 23: ...PRINTED CIRCUIT BOARD 22 7 2 PCB POWER ...
Page 24: ... 23 9 IC DESCRIPTION U COM I701 9 1 U COM I701 PIN ASSIGN ...
Page 27: ... 26 10 CHIP COMPONENTS POSITION PCB MAIN ...
Page 41: ......
