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SGH-E880 Flow Chart of Troubleshooting
2-
9
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2-1-5. Speaker Part
There is no sound from the Speaker
The terminal of Speaker is
O.K
No
Replace the Speaker
Yes
There is any signal @ the
V502,V503
No
Yes
Check FPCB or Replace CN500
The type of sound
from the Speaker is
Melody
There is any signal
@ R446, R449
There is any signal
@ R402, R437
Yes
No
The pin#10 of
U400 is "Low"
The pin#10 of
U400 is "High"
Check the
U302, U401
Check the
U100
Yes
Yes
No
No
Check the U200
Check the U400
Yes
Yes
No
No
END