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SGH-P100 Flow Chart of Troubleshooting
7-
7
6. Speaker Part
Is the terminal of Speaker
O.K.?
There is no sound from Speaker
Are there any signals
at the pin #7 of C203,
pin #6 of C213
Check LCD or Replace CN201
Check U401
Is there any signals
at the pin#5 and
pin#7 of U400?
END
No
Yes
Yes
Yes
No
No
The type of sound
from the Speaker is
Melody
Replace the Speaker
Yes
No
The pin#4 of
U400 is
"Low"
No
No
Yes
Yes
Yes
Check U400
Is there any signals
at the pin#3 and
pin#9 of U400?
The pin#4 of
U400 is
"High"
No
Check U700
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