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SGH-S200 Flow Chart of Troubleshooting
6-
7
6. Speaker Part
Is the terminal of Speaker O.K.?
There is no sou nd fr om Speaker
Are there any signals
at the C221,C228?
Check LCD or Replace CN201
Check U401
Is there any signals
at the pin#5 a nd pin#7
of U400?
END
No
Yes
Yes
Yes
No
No
The type of sou nd from
the Speaker is M elody
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 "H igh"
No
Check U700