Speaker Part - Samsung SGH-X105 Service Manual

SG H- X105 F low Chart of Troubleshooting

6. Speaker Part

Receiver
C an not voice from receiver
Probe power of C 262
AOUTAP
AOUTAN
O .K ?
Y ES
C heak power supply
for U200
VC C D,VC C A
O .K ?
Y es
R eceiver U200
O .K ?
Y es
END
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No
R eplace R eceiver
No
No
R eceiver U301
R249
10
R251
R250
10
0
4- 9
C heck U100
RECP
1 1
2
2
RECN
RECEIVE R