Samsung GT-i8320 Service Manual page 58

9-2. RF Section
9-2-1. Abnormal Bluetooth Operation
Operate BT
U302 PIN 3
= 32KHz ?
C312 = 26MHz?
Check BT&WIFI
Antenna contact
YES
YES
normal
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
NO
Check U601
Change the OSC200
NO
and neighboring circuit
abnormal
Check ANT300 &
matching circuit
9-27
Flow Chart of Troubleshooting