Samsung GT-S3370 Service Manual page 61

9-4. FM Radio Part
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FM Radio does not work
Turn on the Radio
Yes
Confirm whether or not damage
Micro USB Connector
No
Is there any signal (I2C) at
R109, R1 10 ?
Yes
Is there any signal at
C130 , C131 ?
Yes
Check the EAR/SPK Path
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Yes
No
No
9-33
Flow Chart of Troubleshooting
Change MiroUSB Connector
Check UCP300-1(QSC6240)
Check 502(Radio TRx)