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LG 42PQ301R Service Manual page 38

Chassis : pp91b

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PDP TV Repair Process Reference data Index
No.
1
2
3
4
5
6
7
8
Picture Problem
9
10
11
12
13
14
15
16
17
Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Symptom
Check Module pattern by Tilt key
Audio check method
Check Va, Vs on Power Board
PDP Module Label Information
Check & Adjust –V
- 42G2 –V
- 50G2 –V
Fuse Checking Method
Y-Sus Board Checking Method(42G2)
Z-Sus Board Checking Method(42G2)
Y-Sus Board Checking Method(50G2)
Z-Sus Board Checking Method(50G2)
Check 5V, 12V on Power B/D
Control Board Checking Method(42G2/50G2)
Mal discharge Symptom Picture
PDP Module Rom Ver. Checking method
Y Drive B/D Checking method
Check Discharge resistor on Power B/D
(Half picture) X- B/D Checking method(42/50G2)
Detail
,V
,V
voltage
Y
SC
ZB
,V
(Y-Sus) / V
(Z-Sus)
Y
SC
ZB
,V
(Y-Sus) / V
(Z-Sus)
Y
SC
ZB
Page
Remark
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
Next page Continued
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