Speaker Part - Samsung SGH-P100 Service Manual

6. Speaker Part

There is no sound fromSpeaker
Y es
The pin#4 of
U 400 is
" L ow"
N o
C heck U 400
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Is the term inal of Speaker
O .K .?
Y es
A re there any signals
at the pin #7 of C 203,
pin #6 of C 213
The type of sound
fromthe Speaker is
Y es
Is there any signals
at the pin#5 and
pin#7 of U 400?
Y es
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SG H- P100 F low Chart of Troubleshooting
N o
N o
Y es
M elody
Is there any signals
at the pin#3 and
pin#9 of U 400?
N o
N o
C heck U 401
E N D
7- 7
R eplace the Speaker
C heck L C D or R eplace C N 201
N o
Y es
Y es
The pin#4 of
U 400 is
" H igh"
C heck U 700
N o