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6-
6
SGH-V205 Flow Chart of Troubleshooting and Circuit Diagrams
6. Speaker Part
Is the terminal of Speaker O.K.?
There is no s ound from Speaker
Are there any signals
at the C221,C228?
Check LCD or Replace CN201
Check U401
Is there any s ignals
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
U 400 is "Low"
No
No
Yes
Yes
Yes
Check U400
Is there any signals
at the pin#2 and pin#10 of
U400?
The pin#4 of
U400 is "High"
No
Check U700
