Flow Chart of Troubleshooting

9-18. Bluetooth part

Bluetooth connection disable

Yes

No

Check BT function ON

Yes

No

Check the voltage of

U305 is around 1.8V

Yes

No

Check 26KHz Clock on

U101

Yes

No

Check the assembled

status of ANT102

Yes

No

Exchange U101

Yes

END

Enable BT function

Check U305 and change

Check OSC100

Resolder of change ANT102

Check UCP200

9-33

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Image 61
Sharp SGH-F250 manual Bluetooth part