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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
3-38
This Document can not be used without Samsung's authorization
R805 Resolder
or change
3-2-9. BLUETOOTH
Has the ANT800
(BT Ant) no crack?
Pin#3 of U800 = 3.0V?
YES
YES
NO
NO
ANT800(BT Ant)
Resolder or Change
Check the U800
There is any signal
Pin#20 of U800
YES
Is there no problem of doing BT activation?
YES
THE END
NO
NO
UCP100
Resolder or Change
Check the U800
Bluetooth does not work
Check U800
Pin#22 output > -6dBm ?
YES
NO