LG -P715 Service Manual page 128

4.19.2 Power Key FPCB
There is appearance problem
There is connector problem
Change the Main Board
LGE Internal Use Only
START
Key press
of FPCB?
No
of FPCB?
No
And Retest
Power
key
Connector
4.20 DC Motor Trouble Shooting
- 128 -
Vibrator is worked as below
4. TROUBLE SHOOTING
Yes
Change Lower FPCB
Yes
Change SIDE FPCB
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes