- 62 -
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
-58-
CHECKING FLOW
START
Is waveform at R231
HIGH?
NO
Check U102(Main board)
YES
Are all LEDs
Working?
NO
YES
Check the soldering
each R and LED,Q200
Backlight will work properly.
NO
Replace or re-soldering
component
R215~R224
LD200~LD209