LG 50PS8000 - Page 55

Copyright ⓒ 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Making
Revision
2009. 2 . 1
2/9
PDP TV
Symptom
A. Picture Problem
No Picture/No Sound
Repair Process
2
Check IR operation
Power
LED ON?
Latest S/W update
from GCSC
(Firmware Management)
N
Y
OSD
appear?
Y
N
Y
N
Close
Check Module pattern
by using “TILT” key
on SVC R/C
Normal
N
Check
Sound
Sound
OK
Y
N
Move
No Picture/ Sound Ok
Section
Close
Y
Check
LVDS Cable
Replace
Main B/D
Normal
Y
N
Replace
Main B/D
Normal
Check Input signal
. RF Cable connection
. SCART Cable connection
. HDMI Cable connection
. Component Cable …
Normal
Y
N
Repair/Replace
IR B/D