SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-19
9-9. FM Radio Part
Though turn on FM Radio.
FM Radio does not work(No sound)
Yes
check the Voltage
at C108(3.5~4.2V)
Check VBAT line
No
Yes
Check the Earphone
Is there any signal
at C100 and L100?
No
Yes
Is there any signal
at R104?
Resolder U100, or Replace U100
No
Yes
Is there any signals at
R509, R510?
Resolder U500 or Replace U500
No
Yes
Resolder U501 or Replace U501
No
Is there any signals at
L507, L508?
Is FM Radio Working?
(Is there any sound of Radio)
No
Check the Upper SPK module connection
Yes
END