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6. No Video - RGB
Check input signal format
Is it supported?
Y
Check RGB Cable
Y
Check P400
Y
Check Hsync, Vsync
R4024, R4025
Y
Check signal RGB
R228,R230,R232
C204,C206,C208
Y
IC101 has problem
Wave form of R4025(Vsync)
Wave form of R228/C204
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LG Electronics. Inc. All right reserved.
Only for training and service purposes
N
Replace P400 or
Check Device
N
Replace R4024, R4025
N
Replace R228,R230,R232
Wave form of R4024(Hsync)
Wave form of R230/C206
C204,C206,C208
Wave form of R232/C208
- 20 -
LGE Internal Use Only
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