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Flow Chart of Troubleshooting
9-14
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9-1-8. Headset Part
Earphone does not work
Yes
Is there any signal at
U302 R300, R301
?
Resolder or replace U302
END
No
Yes
Yes
No
Resolder the
C323, C325
or Check the UCP200
Is there any signal at
U302
J7, H8
?
Yes
No
Resolder or replace IFC400
IFC400
pin 5,6,7
short?
Yes
Is Earphone working?
Replace the earphone
No
Yes
Is there any signal at
IFC400
pin 5, 7
?
Resolder the
L415
,
L416
No
Summary of Contents for GT-C3510
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