LG 60PK750 Service Manual page 29

Repair Process
PDP TV
Symptom
Check
Picture problem
Type
Dot
type
Mal-discharge
Scan
Type
Check RF Cable
Picture Noise
Connection
Check
Dark Picture Picture mode
setting
All manuals and user guides at all-guides.com
A. Picture Problem
Mal-discharge/Noise/dark picture
Check CTRL ROM Ver.
and
Rom Upgrade
Check voltage
Normal
. –V / V
Y SC
Picture?
(Y-Sus B/D)
N
Replace
Y-Sus B/D
N
Normal Check Tuner
Picture? & Replace
Y
Close
N
Normal 1. Check Z-Sus Board
Picture? 2. Replace Board
Y
Close
Making
Revision
N
Replace
Normal
Control board
Picture?
Y
Close
Check
Y
Normal
Y Drive B/D
& Picture?
Replace B/D
Y
Close
※Check Discharge resistance (10Ω 2~3ea)
on Power B/D before replace Y Drive B/D
Normal
Picture?
Close
3
2010. 2 . 22
N
Normal
Picture?
Y
Close
N
1.Check Control B/D
2.Replace Board
N
Replace
Module
Y
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Replace
Module
N
Normal
Picture?
Y
Close