Samsung YP-R1 Service Manual page 22

D2_2
1 S1
2 G1 D1_2
D1_1
3 D2_1
4 S2
G2
U702
FDMA1028NZ
U801
Samsung Electronics
R713
1K
8
7
1
6
5
GND
U701
 AUDIO CODEC, page 7-6
1
 MAIN PCB Top, page 6-1
GND
C721
330uF
C722
330uF
U401
GND
U101
<Fig. 4-4>
Troubleshooting
1
2.5V
2.5V
LOUT_EP
MUTE
ROUT_EP
4-7