LG C3380 Service Manual page 97

4. TROUBLE SHOOTING
Yes
Yes
Not available
Connect BT Headset
Yes
Replace U101 Resolder
No
Replace M201 Replace U101
No
IF RF level at Antenna No
Feeding about 0dBm?
Yes
Replace Headset
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No
Is soldering of R218,
L515 good?
Yes
Replace
M201
Resolder