Only For Training And Service Purposes - LG KP175 Service Manual

CHECKING FLOW
START
Does the LCD itself
Has no trouble ?
YES
Change the camera
module, Does it work
properly ?
YES
Itís camera moduleís problem
Replace the camera module
Check the signals of the
FL302
YES
Camera will work properly
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Only for training and service purposes

NO
Go to the LCD trouble
Check the
voltage
NO
of pin 8 of
U300 is 2.8V ? and
Voltage of pin 7
of U300 is
1.8V ?
YES
NO
Resoldering the Filter
- 63 -
4. TROUBLE SHOOTING
NO
Replace the U300
LGE Internal Use Only