Samsung GT-i8910 Service Manual page 70
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Also See for GT-i8910:
- Quick start manual (47 pages) ,
- User manual (78 pages) ,
- User manual (112 pages)
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9-1-14 : Abnormal Earset output
No sound in earset mode
C1,C2 pin in U502
Signal on?
YES
B3,C3 pin in U502
is Active?
YES
A1,A2 pin in U502
is Active?
YES
4,5pin in EAR600
is Active?
YES
Is Earset
OK?
YES
END
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NO
Check U503 &
neighboring circuit
NO
Check UCP900 &
neighboring circuit
NO
Check U502 &
neighboring circuit
NO
Check EAR600 &
neighboring circuit
NO
Change Earset
9-33
Flow Chart of Troubleshooting
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