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DLT-32C2
Daewoo DLT-32C2 Service Manual
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-29-
Main PCBs T
rouble Diagnosis
C.When “No signal”in Y/Pb/Pr signal(Component)
1)First check if other inputs are working
=>if other inputs are not working, replace MAIN PCB
2)Checking waveforms with Color Bar Pattern(Using the oscilloscope)
- Main TP(COMP1- Y) : R171
- Main TP(COMP1-Pb) : R193
28
30
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
2
1 Safety Precaution
3
2 Product Specification
4
2-2.Available Input Signal
5
3 Block Diagram
6
3-1.Block Diagram(Signal)
6
3-2.Block Diagram(Power)
7
4 Description of each Block
8
4-1.Block Diagram of Main IC and TP
8
4-2.Overview
9
4-2-1.Composite Video, Y/C(S-Video) and SCART(CVBS, RGB) Composite Video
9
4-2-2.DTV/DVD Signal
11
4-2-3.Pc(Personal Computer)Signal
13
4-2-4.HDMI Signal
15
4-2-5.R/G/B Processing(SCART1, TELETEXT R/G/B)
15
4-2-6.Audio Signal Processing, KEY, and LED
17
4-3.Power Pcb
21
5 Service Mode
24
5-1.Entering SERVICE MODE
24
6 Main Pcbs Trouble Diagnosis
26
6-1-1.Common Checking Process When "No Signal of Noraster
26
6-1-2.When no Sound
33
6-1-3.When Control Key Does Not Operate
35
6-1-4.When Remote Controller Does Not Operate
36
6-2.Power Pcb
38
7 Trouble Diagnosis
39
7-1.Facts You Must Know When Diagnosis or Repairing
39
7-2.Typical Symptoms of PCB Problem or Bad Connection
40
8 Structure of LCD Set
41
9 Exploded View
43
10 Service Part List
52
11 Circuit Diagram
98
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Daewoo DLT-32C2 Specifications
General
Brand
Daewoo
Model
DLT-32C2
Category
LCD TV
Language
English
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