Roland AT-80SL - Page 77

92
Jun. 2005
CIRCUIT DIAGRAM (MAIN 10/13)
fig.main10-c
EXD0
EXD1
EXD2
EXD3
EXD4
EXD5
EXD6
EXD7
EXD[0..15]
XFDC
XREADY
XRDATA
XWPRT
XTRK0
XWGATE
XWDATA
XHSEL
XSTEP
HDR
DS3
DS0
FDCRDYCNTL
XINDEX
DSCK
EXA0
EXA[0..21]
EXA1
EXA2
FDS1DS1
XFDC
EXD[0..15]
XFDCINT
XFDC
EXXRD
EXXWE
FDCDREQ
EXXRES
FDCRDYCNTL
EXA[0..21]
FDCDACK
+
5D
D D
D
+
5D
+
5D
D
D
D
+
5D
D
D
D
+
5D
+
5D
D
D D
+
5D
+
5D
DD
D
+
5D
D
D
+
5D
D
C438
ECHU@
1800p
RA103
EXBV8V@JV
100
1 8
2 7
3 6
4 5
IC104E
TC74HC04AF
11 10
IC1
TC
7
5
6
R274
RPC10T@J
6.8k
C436
ECHU@
0.068
C434
GRM39C@
22p
C431
GRM39@
0.1
IC107D
TC7W04F
84
IC128
TC7S32F
1
2
4
53
IC104B
TC74HC04AF
3 4
R262
RPC10T@J
10k
R267
RPC05T@J
10k
IC105B
TC7W14F
3 5
IC107C
TC7W04F
6 2
R269
RPC10T@J
NIU
IC10
9
TC74
H
14
7
VCC
GND
C441
ECHU@
0.022
IC106
UPD72070
16 29 58
1
2
3
6
5
4
7
8
9
10
12
13
14
15
19
20
21
23
22
30
31
32
33
49
55
56
57
59
60
61
63
64
17
18
25
24
28
27
34
35
36
38
39
40
41
42
43
44
46
47
48
50
51
52
53
54
26 37 45 62 11
DVDD
AVDD
DVDD
RD
WR
CS
A2
A1
A0
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
TC
ENDKCG
DRV2
PCTYP1
PCTYP0
DKCG/READY
RDATA
WPRT
TRK0
INDEX
TCK
TMS
TDI
XB
XA2
XA1
RESET
DMAAK
INT
DMARQ
CGP2
CGP1
LPF2
LPF1
WGATE
WDATA
ME3(ENBL1)
ME2(ENBL0)
NC(LSTRB)
SIDE(CA2)
STEP(CA1)
DIR(CA0)
ME1
ME0
DS2
DS1
DS0
DS3
HDLD(SEL)
DEN0
DEN1
TDO
AGND BGND BGND DGND DGND
R257
RPC05T@J
68k
C444
GRM39@
0.1
C426
GRM39@
0.1
C4
3
GR
IC104F
TC74HC04AF
13 12
C440
GRM39@
0.1
C430
GRM39C@
12p
IC1
TC
7
5
RA101
EXBV8V@JV
100
1 8
2 7
3 6
4 5
C435
GRM39C@
22p
C442
GRM39@
0.1
R266
RPC05T@J
10k
R256
RPC05T@J
6.8k
C432
GRM39C@
15p
C439
GRM39@
NIU
IC104G
TC74HC04AF
147
RA104
EXBV8V@JV
100
1 8
2 7
3 6
4 5
R261
RPC10T@J
10k
IC107A
TC7W04F
17
R268
RPC10T@J
0
IC109A
TC74HC393F
6
5
4
3
1
2
QD
QC
QB
QA
CK
CLR
R263
RPC05T@J
220
C437
ECHU@
4700p
C424
GRM39@
0.1
IC111
TC7S32F
1
2
4
53
C428
GRM39@
0.1
R2
7
RP
C
R273
RPC05T@J
0
X3
MA-406@
24.000MHz
1 4
R275
RPC10T@J
1k
C423
ECHU@
1800p
C425
ECEV-A@WR
33/16
84
IC109B
TC74HC393
F
13
12
Q
D
Q
C
Q
B
Q
A
CK
CLR
C541
GRM39@
0.1
IC104A
TC74HC04AF
1 2
R497 RPC05T@JNIU
R265
RPC05T@J
10k
C427
GRM39@
0.1
C422
GRM39@
0.1
IC105A
TC7W14F
1 7
IC107B
TC7W04F
35