LG 50PS8000 - WATCHING TV; PROGRAMME CONTROL; REMOTE CONTROL KEY FUNCTIONS

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Only for training and service purposes
LGE Internal Use Only
Making
Revision
2009. 2 . 1
5/9
PDP TV
Symptom
A. Picture Problem
Vertical bar/ Horizontal Bar
Repair Process
5
Check
defect type
Y
N
Y
Vertical
Line/Bar
Regular
Vertical
Line / Bar
Check Module pattern
by using “TILT” key
on SVC R/C
Normal
Pattern?
1.Check CTRL B/D
2.Replace Board
Replace
Module
Irregular
Vertical
Line / Bar
1.Check CTRL B/D
2.Replace Board
Normal
Picture?
Check Main B/D
Replace Module
(If Main B/D doesn’t cause)
N
Y
Close
1.Connector re-connection
2.Eliminate foreign material on Connector
N
※CTRL B/D: Control board
Check connection
of Connector
(COF,TCP)
on CTRL B/D , X B/D
Check connection
of Connector (FPC)
on Y Drive B/D
1.Connector re-connection
2.Eliminate foreign material on FPC
1. Check Y Drive B/D
2. Replace Board
Normal
Picture?
N
Y
Close
Replace
Module
1.Check CTRL B/D
2.Replace Board
Normal
Picture?
N
Y
Close
N
Y
Normal
Horizontal
Line/Bar
Normal
Half
No picture
1.Check X B/D
2.Replace Board
Normal
Picture?
Y
Close
Replace
Module
N
※ H-Line’s Cause is rare CTRL B/D