Roland MC-505 Service Notes page 18

MC-505
1 2 3 4 5 6
A
B
C
D BEAM CTRL
D
E
DA11
DAP202K
F
+ 15
G
CN2
DA12
4
DAP202K
4
H 3
3
2
2
1
1
I
53253-0410
- 15
J
A
K
C205 R228
L 0.047u 4.7k
M
N
XDBPLS
O
P
+ 15
C209
Q
0.1u
-
IC50C
+
UPC4570G
C210
R
0.1u - 15
A
S
T
U
18
7 8 9 10 11 12
+ 15
R240 R241 R242
820k 68k 12k
R234
2.2k
3
R235
10k
R237
68k
3
R238
120k
R233
1k
1 2
D3
DAN202K
R231
120k
C436
IC59B
C202
47p
UPC4570G
6 8200p
-
7
5
+
R247 R239
100k NIU
+ 5
D
A
A
R246
R245
1.5k
3.3k C420
1 15p
Q22
2SA1037KR
R330
33k
- 15
13 14 15 16 17 18
+ 5
D
C213
0.1u
3
DA13
R229
DA204U
15k
R236
R382
15k
100
D
C434
10p
R232
10k
6
-
7
R365
5
NIU
+ IC50B
UPC4570G
+ 15
A
R383 R384
47k 47k
3 1
VR1
- 15
EVND8AA03B24
Q33
2
-
2SK368GR
1
1 2 3
+
IC59A
R329
C203
UPC4570G
NIU
0.1u
A A
C204 C421
10/16 0.1u
D4
3
DAN202K
C214 C423
A
0.1u
10/16
19 20 21 22 23 24
DBV: Voltage Output for A/D port (0to5V)
R331
IC50A
2 UPC4570G 100
R230
-
1
33k
3
+
C212 C380
TP1
0.1u 0.01u
RCS00000C
D
A
TP2
RCS00000C
A
+ 15
-
+
IC59C
UPC4570G
- 15
Feb, 1998
25 26 27 28
DBV