Roland AT-80SL - Page 101

116
Jun. 2005
CIRCUIT DIAGRAM (PANEL B 1/2)
fig.panel-b1-c
From
MAIN BOARD
To
To
To
PANEL A
TABLET B
PISTON A
ID=0
SDA1
SCL1
D+5V
D+5V
GND
D+5V
D+5V
SCL0
SDA0
GND
D+5V
D+5V
SCL1
SDA1
GND
GND
D+5V
D+5V
SCL1
SDA1
GND
GND
SCL0
SDA0
SCL1
SDA1
D
+
5D
D D D DD D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
D
+
5D
+
5D
D
D
+
5D
+
5D
+
5D
+
5D
D
D
D
DD
D49
12
D52
12
D54
12
D66
12
D48
12
IC11C
TC74HC0
8
9
10
D61
12
D73
12
Q40
RN2227
3
2 1
D64
12
D
12
D53
12
D
12
D
12
D
12
D65
12
D74
12
IC11D
TC74HC0
8
12
13
D72
12
D58
12
D56
12
D62
12
D44
12
D60
12
D50
12
D
12
D57
12
C18
DD@
0.1
IC11A
TC74HC0
8
1
2
D45
12
D
12
D46
12
D68
12
D69
12
D70
12
D
12
D
12
IC11B
TC74HC0
8
4
5
R39
SR25TR@J
10k
R40
SR25TR@J
10k
R41
SR25TR@J
10k
R37
SR25TR@J
10k
R38
SR25TR@J
10k
IC9
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
Q39
RN2227
3
2 1
Q36
RN2227
3
2 1
Q34
RN2227
3
2 1
Q38
RN2227
3
2 1
Q37
RN2227
3
2 1
Q33
RN2227
3
2 1
Q35
RN2227
3
2 1
C16
DD@
0.1
C17
ECEA-KA@
100/16
R36
SR25TR@J
NIU
R35
SR25TR@J
NIU
C15
DD@
0.1
C14
SW44
EVQQJJ05Q
Full 1
1 2
SW45
EVQQJJ05Q
Full 2
1 2
SW46
EVQQJJ05Q
Full 3
1 2
SW47
EVQQJJ05
Q
Jazz 1
1 2
SW51
EVQQJJ05
Q
Theater 1
1 2
SW50
EVQQJJ05Q
Pipe 3
1 2
SW49
EVQQJJ05Q
Pipe 2
1 2
SW48
EVQQJJ05Q
Pipe 1
1 2
SW52
EVQQJJ05Q
Jazz 2
1 2
SW53
EVQQJJ05Q
Jazz 3
1 2
SW54
EVQQJJ05Q
Stirngs
1 2
SW55
EVQQJJ05
Q
Slow Strings
1 2
SW59
EVQQJJ05
Q
Human Voice
1 2
SW58
EVQQJJ05Q
French Horn
1 2
SW57
EVQQJJ05Q
Others(Org)
1 2
SW56
EVQQJJ05Q
Theater 2
1 2
SW60
EVQQJJ05Q
Synth Strings
1 2
SW61
EVQQJJ05Q
Piano
1 2
SW62
EVQQJJ05Q
E.Piano
1 2
SW63
EVQQJJ05
Q
A.Guitar
1 2
SW67
EVQQJJ05
Q
Mandolin
1 2
SW66
EVQQJJ05Q
Vibes
1 2
SW65
EVQQJJ05Q
Harp
1 2
SW64
EVQQJJ05Q
Others(Sym)
1 2
SW68
EVQQJJ05Q
E.Guitar
1 2
SW69
EVQQJJ05Q
Brass
1 2
SW70
EVQQJJ05Q
Violin
1 2
SW71
EVQQJJ05
Q
Trumpet
1 2
SW75
EVQQJJ05
Q
Oboe
1 2
SW74
EVQQJJ05Q
Flute
1 2
SW73
EVQQJJ05Q
Others(Orch)
1 2
SW72
EVQQJJ05Q
Accordion
1 2
R65
SR25TR@J
1k
R66
SR25TR@J
1k
R67
SR25TR@J
1k
R68
SR25TR@J
1k
IC10
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
C30
DD@
NIU
C31
DD@
NIU
CN3
S7B-PH-K-S
1
1
2
2
3
3
4
4
5
5
6
6
7
7
CN4
S5B-PH-K-S
1
1
2
2
3
3
4
4
5
5
CN5
S6B-PH-K-S
1
1
2
2
3
3
4
4
5
5
6
6
CN6
S6B-PH-K-S
1
1
2
2
3
3
4
4
5
5
6
6
* All Diode is 1SS133
470/16