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LGE Internal Use Only
Copyright ©
LG Electronics. Inc. All right reserved.
Only for training and service purposes
2. No Picture
Module
Back Light On ?
Check WLED_ENABLE high
R130 or R126
Check IC101
Replace Main Scaler IC
N
N
Check Panel clock
P601(#9,10)
Check IC101
Repair Main B/D
N
Check Panel power
P601(#27,28,29,30) 12V
IC801 Output 12V
Replace IC801
N
Y
Replace T-con
Board or module
Check FFC Cable for damage
or open conductors.
Replace Cable
N
Y
Y
Y
Check LED Driver output
(LED Driver B’d P1100 #6)
Check LED Driver IC1100
Replace LED Driver IC
N
Y
Содержание 24LN451B
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