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Flow Chart of Troubleshooting
9-22
9-10. Bluetooth Part
BT Connection disable
No
Check BT function
ON
Yes
No
Resolder or Replace the U101 or
Resolder or Replace the U104
C171 = 26MHz and
TP402 =32.768KHz ?
Yes
No
Check the assembled
staus of ANT102
Resolder ANT102 or change
SPK MODULE
Yes
END
check the Voltage at
C132 (3.8V,VBAT),
C133 (2.9V)?
Check U400
No
Resolder or Replace the U101
Yes
Yes
check the Voltage at
C136 (1.8V)?
No
Resolder or Replace the U101
Resolder or Replace the U101 or
UCP300
