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SGH-S341i Flow Chart of Troubleshooting
2-
8
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5. Speaker Part
Is there no sound from Speaker
Is the teminal of
Speaker O.K ?
No
Replace the Speaker
Yes
Are there any signals at
the C439,C462
No
Yes
Check LCD or Replace CN402
The type of sound
from the Speaker is
Melody
Is there any signals
at the pin#5 and
pin#7 of U104 ?
Is there any signals
at the pin#2 and
pin#10 of U104 ?
Yes
No
The pin#4 of
U104 is "Low"
The pin#4 of
U104 is "High"
Check the
U101
Check the
U101
Yes
Yes
No
No
Check the U202
Check the U104
Yes
Yes
No
No
END