Roland AT-80SL - Page 79

94
Jun. 2005
CIRCUIT DIAGRAM (MAIN 11/13)
fig.main11-c
V_SURUGA_TX
SURUGA_TXD
V_SURUGA_RX
TOKAIDO_TXD
SURUGA_XRESET
SURUGA_INT
TOKAIDO_TXD
SURUGA_TXD
SURUGA_XRESET
SURUGA_INT
D
D
+
5D
+
5D
D
D
+
5D
D
D
C448
GRM39C@
12p
CN23
53253-0610
NIU
1
2
3
4
5
6
1
2
3
4
5
6
C446
GRM39@
0.
1
C522
GRM39@
NIU
C445
ECEV-A
@
33
C450
GRM39@
NIU
R330
RPC05T@J
10k
R288
RPC05T@J
10kSW4
EVQ11A05R
NIU
1 2
IC112
R03783712
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
XTAL
EXTAL
MD1
MD0
NMI
VCC
STBY
VSS
P40/TMCI0
P41/TMO0
P42/TMRI0
P43/TCI1/HI/H11
P44/TO1/H0/H1
P45/TRI1/CI/H12
P46/FAI/FBI/CS2
P47/TOX/CL/GA20
P50/TXD0
P51/RXD0
P52/SCK0
P53/TXD1
P54/RXD1
P55/SCK1
SCL0/P70/KEYIN4
SDA0/P71/KEYIN5
SCL1/P72/KEYIN6
SDA1/P73/KEYIN7
AS/P74/CS1
WR/P75/IOW
RD/P76/IOR
WAIT/P77/HA0
VCC
A15/P27/PW15
A14/P26/PW14
A13/P25/PW13
A12/P24/PW12
A11/P23/PW11
A10/P22/PW10
A9/P21/PW9
A8/P20/PW8
VSS
A7/P17/PW7
A6/P16/PW6
A5/P15/PW5
A4/P14/PW4
A3/P13/PW3
A2/P12/PW2
A1/P11/PW1
A0/P10/PW0
D0/P30/HDB0
D1/P31/HDB1
D2/P32/HDB2
D3/P33/HDB3
D4/P34/HDB4
D5/P35/HDB5
D6/P36/HDB6
D7/P37/HDB7
P60/FCI/KEYIN0
P61/FOA/KEYIN1
P62/FOB/VSCO/K2
P63/FI/VSCI/K3
P64/IRQ0
P65/IRQ1
P66/IRQ2
RES
X4
MA-406@
16.000MHz
1 4
C449
GRM39C@
12p
C447
GRM39@
0.
1