LG C3380 Service Manual page 96

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Checking Flow
Bluettooth
Power on
Yes
2V8_VBT
No
at C230 =2.8V ?
Yes
Replace U101
Replace U101
No
No
Yes
Check PCB pattern
- 97 -
4. TROUBLE SHOOTING
No
BT_EN at R221 =2.8V ?
Yes
Replace
U204
Replace
U101

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