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