LG KM710 Service Manual - Page 71

FPCB and Cam Module?

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4. Trouble Shooting START Power is supplied to No the board? Yes First of all, Go to menu ëBaseband No LCD Display OK? Yes Check Connection between No 1. FPCB and Cam Module? 2. FPCB and boards? Yes Refer to Power On Trouble Camera Main LCD Preview Refer to LCD Display Trouble Reconnect FPCB or Camera Module Paths of Camera control No signals are OK? Yes Re-solder Connector FPCB OK? Yes No Replace the FPCB After changing the board, No Camera is OK? Yes The Camera is broken. Change the Camera. Change the board LGE Internal Use Only - 72 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
4. Trouble Shooting
- 72 -
STAR
T
Ye
s
Ye
s
Ye
s
Paths of Camera control
signals are OK?
N
o
Re-solder
Connector
First of all, Go to menu ëBaseband
Camer
a
Main LCD Preview
Ye
s
FPCB OK?
N
o
Replace the FPCB
Ye
s
N
o
After changing the board,
Camera is OK?
The Camera is broken.
Change the Camera.
Change the board
Ye
s
Check Connection
between
1. FPCB and Cam Module?
2. FPCB and boards?
N
o
Reconnect FPCB or
Camera Module
N
o
Power is supplied to
the board?
Refer to
Power On Trouble
N
o
LCD Display OK?
Refer to
LCD Display Trouble