Roland AT-80SL - Page 95

110
Jun. 2005
CIRCUIT DIAGRAM (PANEL A 1/3)
fig.panel-a1-c
From
PANEL B ID=0
To
PANEL C
SDA0
SCL0
GND
D+5V
D+5V
GND
SDA0
D+5V
D+5V
SCL0
SCL0
SDA0
D
+
5D
D D D DD D
+
5D
+
5D
D
+
5D
+
5D
D
D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
D
D
+
5D
D
D6
12
D9
12
D11
12
D23
12
D5
12
D18
12
D30
12
D21
12
D10
12
D22
12
D31
12
D29
12
D15
12
D13
12
D19
12
D1
12
D17
12
D7
12
D14
12
C5
DD@
0.1
D2
12
D3
12
D25
12
D26
12
D27
12
R5
SR25TR@J
10k
R6
SR25TR@J
10k
R7
SR25TR@J
10k
R3
SR25TR@J
10k
R4
SR25TR@J
10k
IC1
TC74HC138AP
C
3
B
2
A
1
G2B
5
G2A
4
G1
6
Y7
7
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
VCC
16
GND
8
Q7
RN2227
3
2 1
Q4
RN2227
3
2 1
Q2
RN2227
3
2 1
Q6
RN2227
3
2 1
Q5
RN2227
3
2 1
Q3
RN2227
3
2 1
C3
DD@
0.1
C4
ECEA-KA@
100/16
R2
SR25TR@J
NIU
470/16
R1
SR25TR@J
NIU
C2
DD@
0.1
C1
ECEA-KA@
100/16
Q1
RN2227
3
2 1
Q8
RN2227
3
2 1
SW1
EVQQJJ05Q
Full 1
1 2
SW2
EVQQJJ05Q
Full 2
1 2
SW3
EVQQJJ05Q
Full 3
1 2
SW5
EVQQJJ05Q
Pipe 1
1 2
SW6
EVQQJJ05Q
Pipe 2
1 2
SW7
EVQQJJ05Q
Pipe 3
1 2
SW9
EVQQJJ05Q
Lower 2
1 2
SW10
EVQQJJ05Q
Lower 3
1 2
SW11
EVQQJJ05Q
Strings
1 2
SW13
EVQQJJ05Q
Theater 2
1 2
SW14
EVQQJJ05Q
Others(Org)
1 2
SW15
EVQQJJ05Q
Human Voice
1 2
SW17
EVQQJJ05Q
Piano
1 2
SW18
EVQQJJ05Q
E.Piano
1 2
SW19
EVQQJJ05Q
A.Guitar
1 2
SW21
EVQQJJ05Q
Harpsi
1 2
SW22
EVQQJJ05Q
Vibes
1 2
SW23
EVQQJJ05Q
Accordion
1 2
R57
SR25TR@J
1k
R58
SR25TR@J
1k
R59
SR25TR@J
1k
IC2
M62320P
SO
1
SCL
2
SDA
3
D0
4
D1
5
D2
6
D3
7
GND
8
D4
9
D5
10
D6
11
D7
12
VDD
13
CS2
14
CS1
15
CS0
16
C24
DD@
NIU
C25
DD@
NIU
CN2
S5B-PH-K-S
1
1
2
2
3
3
4
4
5
5
CN1
S5B-PH-K-S
1
1
2
2
3
3
4
4
5
5
SW25
EVQ11A05R
Reverb >
1 2
SW29
EVQ11A05R
Reverb <
1 2
SW26
EVQ11A05R
Accomp/SMF>
1 2
SW30
EVQ11A05R
Accomp/SMF<
1 2
SW27
EVQ11A05R
Rhythm>
1 2
SW31
EVQ11A05R
Rhythm <
1 2
* All Diode is 1
S