LG GX200 - Page 76

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4.8.3 Checking Flow
Start
Check Component of
V901 ~ V904 soldering
work properly ?
NO
YES
Check LCM Panel
work properly ?
Change LCM Panel
Board and
Try again
NO
Check J901 soldering
work properly ?
Re-soldering J901
and Change J901 and
Try again
NO
LCM Backlight is OK?
Change the Sub Key
Board and
Try again
NO
YES
YES
Re-soldering or
change Component
of V901~ V904
Try again
Check Component of
R902, R903, C904, B902
soldering
work properly ?
NO
Re-soldering or
change Component
of R902, R903,
C904,B902 and Try
again
YES
YES
LCM will operate
properly
Check Component of
CPU (401) soldering
work properly ?
NO
Re-soldering or
change Component
of CPU (401) and
Try again
YES