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Flow Chart of Troubleshooting
10-15
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Is there any signals at
R504 and R506
There is no sound(
MUSIC
) to the Earphone
Is there any signals at
R504 and R506
check the UCP300
END
No
Yes
Yes
No
Check the IFC600
Yes
Check the
U500
and circuit around
EAR_SW_EN(R519) is high?
No
Yes
IIs the Headset O.K?
Change the Headset
No
Yes
Yes
check the UCP300