Roland SP-505 Service Notes page 43

fig.power
DIGITAL +5V
DIGITAL I/F,LED
L5
ELC10D221E
D7
SB07-03N
D
IC47
AN7809F
1
3
IN OUT
C163
C162
0.1 0.1
+ 5
D
C149 C150
R119 470p
470/6.3
3.6k(K)
D D
R122
1.2k(K)
D
ANALOG
+9V
+
C161
220/16
A
DIGITAL +3.3V
IC44
UPC29M33T
1
IN OUT
C152 C153
D
0.1 0.1
CODEC,DIGITAL I/F
IC48
AN78N05F
1 3
IN OUT
C164 C165
0.1 0.1
A
SP-505
+
D 3. 3
3
C151
470/6.3
D
+ 5
A
C159
100/10(OS)
A
43