Samsung S7330 Service Manual page 38

Flow Chart of Troubleshooting
There is no sound(MUSIC) to the Earphone
Is there any signals at
EAR_SW_EN(R519) is high?
Yes
IIs the Headset O.K?
Yes
Is there any signals at
R504 and R506
Yes
R504 and R506
Yes
Yes
Check the IFC600
Yes
END
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No
Change the Headset
No
check the UCP300
No
Check the U500 and circuit around
No
check the UCP300
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