LG 50PS8000 - Page 56

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Making
Revision
2009. 2 . 1
3/9
PDP TV
Symptom
A. Picture Problem
Mal-discharge/Noise/dark picture
Repair Process
3
Y
N
N
Mal-discharge
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 / VSC
(Y-Sus B/D)
Normal
Picture?
Replace
Y-Sus B/D
Normal
Picture?
Y
N
1.Check Control B/D
2.Replace Board
Normal
Picture?
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
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