Samsung GT-i8910 Service Manual page 72

Gsm
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9-2. RF Section
9-2-1. Abnormal Bluetooth Operation
Operate BT
1. Check
Oscillator sleep_clk
MOD200 PIN40
Output = 32KHz
2. Check
Oscillator 26MHz
OSC200 PIN3
Output = 26MHz?
3. Check Ant
Check BT&WIFI
Ant in Rear
YES
YES
END
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NO
Check UCP900
Change the OSC200
NO
and neighboring circuit
NO
Change the rear
9-35
Flow Chart of Troubleshooting

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