56
FD-8
MAIN, CPU (2/10)
/RST_DISP
/ATN1
/ATN2
TXD1
RXD1
SCK1
DGND
MEMORY
DISPLAY
TO
GR
GR
GR
GR
ADDA
GR
PUNCH IN/OUT
MIDI OUT
MIDI IN
GR
GR
GR
GR
MD=2
CLOCK= x4
ADDA
GR
DGND
D+5
D[0..15]
/EPROM
FM_RDY
/CS0
/CS2
A[0..18]
/RAS
/LCAS
/UCAS
/WR
RDWR
/RD
MEMORY
MEMORY.SCH
DGND
D+5
D[0..15]
/EPROM
FM_RDY
/CS0
/CS2
A[0..18]
/RAS
/LCAS
/UCAS
/WR
RDWR
/RD
/RST
/WR
/MUTE
D+5
DGND
28MHZ
A[0..18]
D[0..15]
IORDY1
/DREQ1
/DACK1
/AIRQ1
SCSI_CS
DMA_SEL
/RD
/CS_IDE
/ATA_INT1
SC_INT7I
SCSI_TMOUT
A-12
/RST_ADDA
R_MUTE[1..8]
/CS1
A0
A1
A2
A3
A4
A5
/CS0
/LCAS
/UCAS
/RAS
/WR
/RST_DISP
/ATN1
TXD1
RXD1
SCK1
RXD0
TXD0
/PUNCH_I/O
D[0..15]
A[0..18]
/EPROM
FM_RDY
/RST
/CS2
A6
A7
A8
A0
A[0..18]
D[0..15]
SC_INT7I
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
/RD
/WR
/ATN2
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
/CS_IDE
SCSI_CS
/RST_DISP
SCSI_TMOUT
SCSI_TMOUT
R_MUTE1
R_MUTE2
R_MUTE3
R_MUTE4
R_MUTE[1..8]
/CS1
RDWR
/RD
D+5
D+5
D+5
D+5
D+5
D+5
D+5
D+5
D+5
D+5
D+5
D+5
D+5
D+5
D+5
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
GND
DGND
DGND
DGND
DGND
A-12
A-12
DGND
DGND
DGND
DGND
A-12
DGND
TP3
NON
TP4
NON
TP5
NON
R43
100
R44
100
R45
10K
R46
10K
R47
10K
R48
10K
R49
330
R50
1K
R51
10K
R52
100
K
1
A
2
G
5
O
4
V
6
U11
PC900
VSA
7
CT
1
RST
8
OC
3
GND
4
VC
C
5
VSB
6
VSC
2
U13
NJM2103M
C71
0.01
C72
1/50
C73
0.01
C74
33p
C75
33p
R62
100
R63
100
R64
100
R65
100
R66
1.5K
C76
0.01
1
TP6
TP
C77
100p
2
1
3
U14
DTC114EK
C78
470P
R67
NON
R68
330
R70
330
C91
10/16
C92
NON
R71
10k
R72
NON
R73
0
11
10
U12E
74HC14
2
1
J8
HP JACK MONO
1
TP7
TP
R74
220
R75
220
R76
220
R77
10K
2
3
1
U20
DTA114EK
2
3
1
U21
DTA114EK
2
3
1
U22
DTA114EK
2
3
1
U23
DTA114EK
R78
100
C93
0.01
C95
100p
4
5
6
U24B
74HC32
9
10
8
U24C
74HC32
R79
10K
R80
10K
R81
10K
R82
10K
1
2
3
S1
non
12
13
11
U24D
74HC32
1
2
3
14
U24A
74HC32
1
3
D3
DAN202K
1
3
D4
DAN202K
1
3
D5
DAN202K
X3
7MHz
1
2
3
4
5
6
7
8
9
J7
8283M9P
2
1
L17
BEAD
2
1
L18
BEAD
2
1
L19
BEAD
2
1
L20
BEAD
10
9
8
11
12
13
14
17
18
1
2
3
4
5
J9B
DIN-5P
3
2
1
4
5
6
7
15
16
1
2
3
4
5
J9A
DIN-5P
2
1
L21
BEAD
C79
NON
5
6
U12C
74HC14
9
8
U12D
74HC14
3
4
U12B
74HC14
R69
2.2k
1
2
14
U12A
74HC14
C909
0.01
C88
0.1
C70
0.1
C69
0.1
C94
0.01
13
12
U12F
74HC14
P
E
13/
M
R
E
S
112
P
B
6/
A
1
8/
B
A
C
K
29
P
D
12/
D12
56
PE
0
/D
R
E
Q
0
85
P
B
7/
A
1
9/
B
R
E
Q
30
P
B
8/
A
2
0/
W
A
IT
31
P
B
9/
A
2
1/
ADT
R
G
32
VS
S
33
P
A
14/
R
D
34
WDT
O
V
F
35
P
A
13/
W
R
H
36
VC
C
37
P
A
12/
W
R
L
38
VS
S
39
P
A
11/
C
S
1
40
P
A
10/
C
S
0
41
PA
9
/I
R
Q
3
42
PA
8
/I
R
Q
2
43
PA
7
/C
S
3
44
PA
6
/C
S
2
45
PA
5
/S
C
K
1
46
PA
4
/T
X
D
1
47
PA
3
/R
X
D
1
48
PA
2
/S
C
K
0
49
PA
1
/T
X
D
0
50
PA
0
/R
X
D
0
51
P
D
15/
D15
52
P
D
14/
D14
53
P
D
13/
D13
54
VS
S
55
P
E
1/
D
R
AK0
86
PE
2
/D
R
E
Q
1
87
P
E
3/
D
R
AK1
88
PE
4
89
VS
S
90
P
F
0/
AN0
91
P
F
1/
AN1
92
P
F
2/
AN2
93
P
F
3/
AN3
94
P
F
4/
AN4
95
P
F
5/
AN5
96
AV
S
S
97
P
F
6/
AN6
98
P
F
7/
AN7
99
AV
C
C
100
VS
S
101
PE
5
102
VC
C
103
PE
6
104
PE
7
105
PE
8
106
PE
9
107
PE
1
0
108
VS
S
109
PE
1
1
110
PE
1
2
111
PE14/AH
1
PE15/IRQOUT
2
VSS
3
PC0/A0
4
PC1/A1
5
PC2/A2
6
PC3/A3
7
PC4/A4
8
PC5/A5
9
PC6/A6
10
PC7/A7
11
PC8/A8
12
PC9/A9
13
PC10/A10
14
PC11/A11
15
PC12/A12
16
PC13/A13
17
PC14/A14
18
PC15/A15
19
PB0/A16
20
VCC
21
PB1/A17
22
VSS
23
PB2/RAS
24
PB3/CASL
25
PB4/CASH
26
VSS
27
PB5/RDWR
28
PD11/D11
57
PD10/D10
58
PD9/D9
59
PD8/D8
60
VSS
61
PD7/D7
62
PD6/D6
63
PD5/D5
64
VCC
65
PD4/D4
66
PD3/D3
67
PD2/D2
68
PD1/D1
69
PD0/D0
70
VSS
71
XTAL
72
MD3
73
EXTAL
74
MD2
75
NMI
76
VCC
77
MD1
78
MD0
79
PLLVCC
80
PLLCAP
81
PLLVSS
82
PA15/CK
83
RES/(VPP)
84
U15
SH7042
D+5
A-12
2
3
1
U25
DTA114EK
2
3
1
U26
DTA114EK
2
3
1
U27
DTA114EK
2
3
1
U28
DTA114EK
R83
10K
R84
10K
R85
10K
R86
10K
R_MUTE5
R_MUTE6
R_MUTE7
R_MUTE8