LG GB160 Service Manual page 61

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Checking Flow
Backlight (U401) is OK?
And check c404 level
Check Control Signal and
power including soldering
status, as the waveform?
Check soldering status
Change PCB
Start
YES
OK
of J400
OK
NO
Change PCB
NG
Replace Component or
LCM
NG
Replace J400
TP1
61

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