LG S5000 Service Manual page 64

4. TROUBLE SHOOTING
Checking Flow
Bluettooth
Power on
Replace U101 Replace U103
No
Yes
2V8_VBT
2V8_VBT
No
No
No Replace
at C714,C7
BT_EN at R724 =2.8V ?
at C701 =2.8V ?
U103
Yes Yes Yes
Check PCB Replace
pattern U701
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