Side Key Trouble Shooting - LG -P715 Service Manual

4.19 Side Key Trouble Shooting

4.19.1 Side Volume & Quick memo 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
Connector
4.19.2 Power Key FPCB
Yes
Change SIDE FPCB
Yes
Change SIDE FPCB
Quick
memo
Up
Down
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4. TROUBLE SHOOTING
Only for training and service purposes