Lge Internal Use Only - LG -E400 Service Manual

4.9.2 WLAN/BT/FM Block

LGE Internal Use Only

Set the phone GPS is ON
Check TP1 About .7V?
Yes
Check TP About .6V?
Yes
Change the board
No
Check power LRC filter soldering
No
Check SW and NV item
3
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4. TROUBLE SHOOTING
1
3
2
Only for training and service purposes