LG KP175 - Page 62

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4. TROUBLE SHOOTING
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Does the LCD itself
Has no trouble
?
YE
S
NO
Replace the U300
Change the camera
module, Does it work
properly
?
YES
Itís camera moduleís problem
Replace the camera module
Check the
voltage
of pin 8 of
U300 is 2.8V ?
and
Voltage of pin 7
of U300 is
1.8V
?
YE
S
Check the signals of the
FL30
2
YES
Camera will work properly
NO
NO
Go to the LCD trouble
Resoldering the Filter
NO
CHECKING FLOW