60PS80BR-TA (CHASSIS:PP91A) - LG TV Service Manual (repair manual). Page 29

Read LG 60PS80BR-TA (CHASSIS:PP91A) Service Manual online

Making 
Revision 
2009. 2 . 1
3/9
PDP TV
Symptom
A. Picture Problem
Mal-discharge/Noise/dark picture
Repair Process
Y
N
N
☞A15
Mal-discharge
☞A14
Dot 
type
Check CTRL ROM Ver.
and
Rom Upgrade
Normal 
Picture?
Y
Close
Replace
Control board 
Normal 
Picture?
Y
Close
Replace
Module 
N
Scan
Type
Check
Picture problem
Type
Check voltage
. –V
Y 
/  V
SC
(Y-Sus B/D)
☞A5~A6
Normal 
Picture?
Replace
Y-Sus B/D 
Normal 
Picture?
Y
N
1.Check Control B/D
2.Replace Board
Normal 
Picture?
☞A13
Check 
Y Drive B/D 
& 
Replace B/D
Y
Close
N
Dark Picture
Normal 
Picture?
Y
Replace
Module 
N
Close
1. Check Z-Sus Board
2. Replace Board
☞A9
(42G2)
,A11
(50G2)
Check 
Picture mode
setting 
Picture Noise
Normal 
Picture?
Y
N
Close
Y
N
Check RF Cable
Connection
Check Tuner 
& Replace
Normal 
Picture?
※Check Discharge resistance (10Ω 2~3ea)  
on Power B/D before replace Y Drive B/D
Close
Close
☞A17
3
☞A16

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