Roland MC-505 Service Notes page 24

MC-505
1 2 3 4 5 6
A
C N 3
5 1 0 4 8 - 1 0 0 0
B
+ 5
D
Pulse Clock
6.84 kHz
Duty 12.5%
C
P u l s e W i dth 18.3us
P U L S E 3
D
1 2 2 2 1 2 2 2
1 0 k B 1 0 k B 1 0 k B 1 0 k B
R 7
E
1 0 k
V R 1 A V R 1 B V R 2 A V R 2 B
V O L U M E L O W B O O S T
F
A D
G
SOURCE
D + 5
H
3
Q 2 7
K S C A N 0
R N 2 2 2 7
+ 5
D S W 4 2 S W 4 3
1 2 1 2
I
M E T R O N O M E B W D
3
Q 2 8
K S C A N 1
R N 2 2 2 7
+ 5
D S W 6 7 S W 6 9 S W 7 1
1 2 1 2 1 2
J
3 1 3 5
K S C A N 2
Q 2 9
R N 2 2 2 7
S W 6 8 S W 7 0 S W 7 2
1 2 1 2 1 2
K
2 4 6
L
M
N
D 1 2 4 D 1 2 6 D 1 2 8
2 1 2 1 2 1
1 3 5
O
D 1 2 5 D 1 2 7 D 1 2 9
2 1 2 1 2 1
2 4 6
P
R 3 2 R 3 3 R 3 4
1 0 0 1 0 0 1 0 0
R N 1 2 2 4 R N 1 2 2 4 R N 1 2 2 4 R N 1 2 2 4
3 3 3 3
Q Q 1 9 Q 2 0 Q 2 1 Q 2 2
D D D
R
S
T
Sub Matrix Directly Managed by CPU
U
24
7 8 9 10 11 12
D Beam Controller
+ 5 + 15
D
C 2 C 3 R 3
R 2 R 1
1 0 / 1 6 0 . 1 3 . 3 k
2 2 2 2
V R E F
D D
Q 5
2 S C 1 8 1 5 G R
R 1 0 R 1 1
C 6
D 4 D 5 1 / 5 0
C 8
1 k 1 0 k
T L N 2 0 1 T P S 7 0 8
I C 2 B
A
1 5 0 P 7
A
-
C 7 8
3 Q 1 0 S I G 6
+
R 1 2
1 0 0 2 S C 2 2 3 5 Y U P C 4 5 7 0 H A
0 . 0 1
R 1 3 R 8 R 9
1 0 0 1 M 1 0 0 k
R 1 4 R 1 5
1 . 8 1 . 8
3
-
D D D A A
4
+
A
S W 4 4 S W 4 5 S W 5 8 S W 5 9 S W 6 0
1 2 1 2 1 2 1 2 1 2
F W D M E A S U R E S T O P P L A Y R E C
S W 7 3 S W 7 5 S W 7 7 S W 7 9 S W 8 1
1 2 1 2 1 2 1 2 1 2
7 9 1 1 1 3 1 5
D
S W 7 4 S W 7 6 S W 7 8 S W 8 0 S W 8 2
1 2 1 2 1 2 1 2 1 2
8 1 0 1 2 1 4 1 6
S D A T A 0
S D A T A 1
S D A T A 2
S D A T A 3
S D A T A 4
S D A T A 5
S D A T A 6
S D A T A 7
SW DATA
D 1 0 9
1 2
R E C
+ 5
D
D 1 3 0 D 1 3 2 D 1 3 4 D 1 3 6 D 1 3 8
2 1 2 1 2 1 2 1 2 1
L 1
F B R 0 7 H A 8 5 0 T B - 0 0
7 9 1 1 1 3 1 5
2 0
V C C
D 1 3 1 D 1 3 3 D 1 3 5 D 1 3 7 D 1 3 9
C 4 6
2 1 2 1 2 1 2 1 2 1
0 . 1
8 1 0 1 2 1 4 1 6
D
R 3 5 R 3 6 R 3 7 R 3 8 R 3 9
1 0 0 1 0 0 1 0 0 1 0 0 1 0 0
R N 1 2 2 4 R N 1 2 2 4 R N 1 2 2 4 R N 1 2 2 4
3 3 3 3 SINK
Q 2 3 Q 2 4 Q 2 5 Q 2 6
D D D D D
D D 0
D D 1
D D 2
D D 3
D D 4
D D 5
D D 6
D D 7
LED DATA
Y 0
Y 1
Y 2
SCAN
C N 7
5 1 0 4 8 - 1 2 0 0
13 14 15 16 17
+ 15
C N 2
C N 1
5 3 2 5 3 - 0 4 1 0
5 1 0 4 8 - 1 3 0 0
+ 5
P U L S E D
C 4
R 4
D 6 1 0 0 / 1 6
1 0 0 K
R 5
B E A T
- 15 A 1 0 0 K
R 6
1 0 0 K
D
D D
A M U X 0
A M U X 1
A M U X 2
A N 1
+ 15
C 4 2
C 9 I C 2 C
I C 2 A 1 0 / 1 6
-
2
+
C 1 0
U P C 4 5 7 0 H A U P C 4 5 7 0 H A
1 0 / 1 6
A
- 15
2 V R 2 0 A 2 V R 2 1 A
1 0 k B 1 0 k B
C 3 6 C 3 7 C 3 8
0 . 1 0 . 1 0 . 1
D D
2 3
A N 0
R A 2 C A 1
R G L D 8 X N I U
1 0 k
C 1 1
2 V R 8 A 2 V R 9 A
1 0 k B 1 0 k B
C 1 6 C 1 7 C 1 8
0 . 1 0 . 1 0 . 1
D D
E N V . D E P T H A
A N 2
I C 1 0
T C 7 4 H C 2 4 5 P
A N 2
1 0
G N D
C 2 4
D
R 4 0
1 0 0 K
D
2 V R 6 A 2 V R 7 A
1 0 k B 1 0 k B
C 2 3 C 2 2 C 2 8
0 . 1 0 . 1 0 . 1
D D
R A 3
2 1 T I M I N G A C C E N T R A T E
3
4
5
6
7
8
9
R G L D 8 X
1 0 0 k
D
18 19 20 21 22 23
J K 1
2
1
P W I - 1 8 1 8
INLET BOARD
I C 7
ASSY 71010656
T C 7 4 H C 4 0 5 1 A P
+ 5
D
(PWB 01343467)
1 6 8
V C C G N D
0 . 1
D D
D + 5
2 V R 2 2 A 2 V R 2 3 A 2 V R 2 4 A 2 V R 2 5 A 2 V R 1 3 A 2 V R 1 7 A
1 0 k B 1 0 k B 1 0 k B 1 0 k B 1 0 k B 1 0 k B
C 3 9 C 4 0 C 3 2 C 2 1 C 3 3
0 . 1 0 . 1 0 . 1 0 . 1 0 . 1
D D D D D D
4 5 6 7 L F O 1 . D E P T H T I M E
I C 3
T C 7 4 H C 4 0 5 1 A P
+ 5
D
1 6 8
V C C G N D
0 . 1
+ 5
D
D D
2 V R 1 0 A 2 V R 1 1 A 2 V R 1 2 A 2 V R 3 A 2 V R 4 A 2 V R 5 A
1 0 k B 1 0 k B 1 0 k B 1 0 k B 1 0 k B 1 0 k B
C 1 9 C 2 0 C 1 3 C 1 4 C 1 5
0 . 1 0 . 1 0 . 1 0 . 1 0 . 1
D D D D D D
D S R P I T C H C U T O F F R E S O N A N C E
I C 4
T C 7 4 H C 4 0 5 1 A P
+ 5
D
1 6 8
V C C G N D
0 . 1
D D
+ 5
D
2 V R 1 4 A 2 V R 1 5 A 2 V R 1 6 A 2 V R 1 8 A 2 V R 1 9 A
1 0 k B 1 0 k B 1 0 k B 1 0 k B 1 0 k B
C 2 9 C 3 0 C 3 4 C 3 1
0 . 1 0 . 1 0 . 1 0 . 1
D D D D D
R E V E R B D E L A Y E F X R 1
PANEL BOARD (page 2/2)
ASSY 71010645
(PWB 01343467)
Feb, 1998
24 25 26 27 28
S W 6 A C N 4
1 2 3
3
2
2
1
1
S D D L B 1 - B 1 - D - 2
3 P - S D N
+ 5
D
C 2 7 C 4 4 C 2 6 C 4 5 C 3 5 C 1 2 C 1
1 0 / 1 6 1 0 / 1 6 1 0 / 1 6 1 0 / 1 6 1 0 / 1 6 1 0 / 1 6 1 0 / 1 6
D D D D D D D