Roland AT-80SL - Page 81

96
Jun. 2005
CIRCUIT DIAGRAM (MAIN 12/13)
fig.main12-cI
EXD0
EXD3
EXD1
EXD6
EXD7
EXD4
EXD2
EXD5
EXD6
EXD4
EXD2
EXD5
EXD7
EXD1
EXD3
EXD0
EXD[0..15]
EXXWE
T_LED
EXXRD
T_SW
EXD[0..15]
D
+
5D
D
D
D
+
5D
+
5D
D
D
C453
GRM39@
0.1
C464
GRM39@
0.1
IC115
TC74AC574AF
NIU
9
8
7
6
5
4
3
2
1
11
12
13
14
15
16
17
18
19
2010
D7
D6
D5
D4
D3
D2
D1
D0
OE
CK
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
VCCGND
IC116
TC74HC245AF
9
8
7
6
5
4
3
2
19
1
11
12
13
14
15
16
17
18
2010
A8
A7
A6
A5
A4
A3
A2
A1
G
DIR
B8
B7
B6
B5
B4
B3
B2
B1
VCCGND
C454
GRM39@
NIU
IC117A
TC7W32F
1
2
7
IC117B
TC7W32F
5
6
3
IC117C
TC7W32F
84