Bluetooth Part - Samsung SGH-L770 Service Manual

Flow Chart of Troubleshooting

10-1-8 Bluetooth part

1. Resolder BT_ANT OR
Check the pad to be parted from PBA
2. Check out OSC101 signal & around component
3. Resolder R110 or change
Check VRF3 from PMB6821
If something wrong, change PMB6821
4. Using equipment, change BT chip
cf. BT chip ball size is very small you'd better consious this point
5. If no more check point
change MPU or PBA
10-16
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