LG LG-E400 - Page 86

4. TROUBLE SHOOTING
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Only for training and service purposes
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Set the phone GPS is ON
Check TP1 About 2.7V?
Check power LRC filter soldering
No
Yes
Change the board
Check TP2 About 2.6V?
Check SW and NV item
No
Yes
4.9.2 WLAN/BT/FM Block
1
3
2
3