Samsung SGH-S108 Service Manual page 24

6. Speaker
There is no sound from Speaker
Is the terminal of Speaker
Yes
The pin#4 of
U400 is
No
Check U400
O.K.?
Yes
Are there any signals
at the C221,C228?
from the Speaker is
Yes
Is there any signals
at the pin#5 and
pin#7 of U400?
Yes
SAMSUNG Proprietary-Contents may change without notice
No
No
Yes
The type of sound
Melody
Is there any signals
pin#10 of U400?
No
No
Check U401
END
2-6
SGH-S108 Exploded view and its Part list
Replace the Speaker
Check LCD or Replace CN201
No
at the pin#2 and
Yes
Yes
The pin#4 of
U400 is
"High"
No
Check U700