Roland AT-80SL - Page 103

118
Jun. 2005
CIRCUIT DIAGRAM (PANEL B 2/2)
fig.panel-b2-c
ID=1
SCL1
SDA1
SDA1
SCL1
D
+
5D
D D D DD D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
D
D
+
5D
D D
D81
12
D84
12
D86
12
D80
12
IC14C
TC74HC08P
9
10
8
Q52
RN2227
3
2 1
D83
12
IC14D
TC74HC08P
12
13
11
D90
12
D88
12
D76
12
D82
12
D89
12
C22
DD@
0.1
IC14A
TC74HC08P
1
2
3
D77
12
D79
12
D78
12
D87
12
IC14B
TC74HC08P
4
5
6
R50
SR25TR@J
10k
R51
SR25TR@J
10k
R52
SR25TR@J
10k
R48
SR25TR@J
10k
R49
SR25TR@J
10k
IC12
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
Q51
RN2227
3
2 1
Q48
RN2227
3
2 1
Q46
RN2227
3
2 1
Q50
RN2227
3
2 1
Q49
RN2227
3
2 1
Q45
RN2227
3
2 1
Q47
RN2227
3
2 1
R47
SR25TR@J
NIU
R46
SR25TR@J
NIU
C21
DD@
0.1
SW76
EVQQJJ05Q
Sax
1 2
SW80
EVQQJJ05Q
Others(solo)
1 2
SW77
EVQ11A05R
Level>(sym)
1 2
SW81
EVQ11A05R
level<(Sym)
1 2
SW89
EVQ11A05R
Level>(Org)
1 2
SW78
EVQ11A05R
Level>(Orch)
1 2
SW82
EVQ11A05R
Level<(Orch)
1 2
SW86
EVQ11A05R
Alternate(solo)
1 2
SW79
EVQ11A05R
Level>(solo)
1 2
SW83
EVQ11A05R
Level<(solo)
1 2
SW87
EVQ11A05R
To ower(solo)
1 2
SW84
EVQ11A05R
Alternate(Sym)
1 2
SW88
EVQ11A05R
Alternate(Org)
1 2
D85
12
SW85
EVQ11A05R
Alternate(Orch)
1 2
C20
ECEA-KA@
100/16
R69
SR25TR@J
1k
R70
SR25TR@J
1k
R71
SR25TR@J
1k
R72
SR25TR@J
1k
IC13
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
C32
DD@
NIU
C33
DD@
NIU
SW90
EVQ11A05R
Level<(Org)
1 2
SW91
EVQ11A05R
Harmony Int
1 2
D91
12
* All Diode is 1SS133
470/16