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SGH-E530 Flow Chart of Troubleshooting
2-
9
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2-1-5. Speaker Part
There is no sound from the Speaker
Is the terminal of
Speaker O.K ?
No
Replace the Speaker
Yes
Are there any signals
at the C503, C504 ?
No
Yes
Check LCD or Replace CN501
The type of sound
from the Speaker is
Melody
The pin#2 of
U302 is "HIGH"?
Yes
The pin#2 of
U302 is "LOW"
Check the U302
Check the U200
Yes
No
No
Check the U301
Check the U401
No
Yes