LG 60PS40FR-TA (CHASSIS:PP91A) Service Manual ▷ View online
Sound Problem
Power Problem
No.
Symptom
Detail
Page
Remark
18
Picture Problem
Defect type cause by PDP Module
A19
19
Connector Type on PDP Module
A20
20
RF Signal level Checking method
A21
21
Check voltage on Power board
A22
22
Power board Checking Method
A23
23
Check Power off History
A24
24
Speaker cable checking method
A25
25
General Function Problem
Check Remote control IR operation
A26
26
Check Local switch operating
A27
27
Check Local switch assembly status
A28
PDP TV Repair Process Reference data Index
You can see 20 types patterns by using TILT Key on SVC Remote controller (except Old model)
< CHECK Item >
< CHECK Item >
1. Dead pixel 2.Image sticking
3.Mal discharge
4.Module defect (V-Line/Bar, H-Line/Bar,,,)
5. In case of no picture, you can judge defect cause (Module or Main B/D)
- If patterns appear, defect cause is Main B/D
Tilt Key
Making
Revision
2009. 2 . 1
PDP TV
Symptom
A. Picture Problem
Check Module pattern by Tilt key
Repair Process-Reference data
Item
A1
A1
Making
Revision
2009. 2 . 1
PDP TV
Symptom
A. Picture Problem
Audio check method
A2
Jack for Speaker connection
1.Check Audio output by using oscilloscope
GND ↔ R+ or R- or L+ or L-
Audio output waveform
2.Check whether speaker jack was inserted properly or not.
Repair Process-Reference data
A2
Making
Revision
2009. 2 . 1
PDP TV
Symptom
A. Picture Problem
Check Va, Vs on Power Board
Control Board
Main Board
Power Board
Y-Sus Board
Z-Sus Board
PDP Module Label
Vs Adjustment
(VR901)
Va Adjustment
(VR502)
Va, Vs on Y-Sus B/D
Va, Vs on Power B/D
Check Va, Vs
▶ Check Va & Adjust Va Voltage
(Refer to the Module label for Va specification)
▶ Check Vs & Adjust Vs Voltage
(Refer to the Module label for Vs specification)
Repair Process-Reference data
A3
A3
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