Roland OD-20, Service Notes

Page: 20 / 21

Apr.2002 OD-20(T)
CIRCUIT DIAGRAM(PANEL)
fig.panel-c
(50KB) (50KB) (50KB) (50KB)
EFFECT
ON/OFF
MANUAL
(50KB) (50KB)
MEMORY VARIATION 1 2 3 4
DRIVE BOTTOM TONE LEVEL
ATTACK
OCTAVE
TYPE
AMP
CTRL
EFFECT
ON/OFF
MAN/MEM VARIATION AMP CTRL WRITE SELECT
(50KB 11click )
SHAPE
HEAVY
(CENTER CLICK )
+
D 3. 3
D
+
D 3. 3
D
+
D 3. 3
+
D 3. 3
+
D 3. 3
+
D 3. 3
+
D 3. 3
+
D 3. 3
+
D 3. 3
+
D 3. 3
D
+
D 3. 3
D D D D D D D
+
D 3. 3
VR2
RD901-40-125F-B54-0CD
1
2
3
VR4
RD901-40-125F-B54-00D
1
2
3
VR1
RD901-40-125F-B54-00D
1
2
3
VR3
RD901-40-125F-B54-00D
1
2
3
VR6
RD901-40-125F-B54-00D
1
2
3
VR5
RD901-40-125F-B54-00D
1
2
3
VR7
RD901-40-125F-B54-11D
1
2
3
LED12
L-113GDT
1
2
LED5
L-34HDSL
1
2
LED6
L-312LRD
1
2
LED8
L-34HDSL
1
2
LED9
L-34HDSL
1
2
LED10
L-34HDSL
1
2
LED11
L-34HDSL
1
2
LED3
L-34HDSL
1
2
LED4
L-34HDSL
1
2
LED7
L-312LRD
1
2
C1 N.I.U.
SW1
SKQKAH
1
2
SW2
SKQKAH
1
2
SW3
SKQKAB
1
2
SW4
SKQKAB
1
2
SW5
SKQKAB
1
2
SW6
SKQKAB
1
2
CN2
WIRRING 15P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
CN1
WIRRING 10P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
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