1
2
RN1
1K X 9
U1
9
Z8S180
8
1
NMI
RESET
7
2
NC
BUSREQ
6
3
NC
BUSACK
5
4
INT0
WAIT
U1-5
D
4
5
INT1
EXTAL
3
6
INT2
2
DREQ1
7
ST
XTAL
A0
8
A0
A1
9
A1
+5
A2
10
A2
A3
11
A3
12
VSS
A4
13
A4
DGND
14
NC
RN2
A5
15
A5
MREQ
1K X 9
A6
16
A6
IORQ
2
DCD0
A7
17
A7
RFSH
3
TEST
A8
18
A8
4
HALT
A9
19
A9
5
CTS0
A10
20
A10
HALT
6
7
KEYRX
A11
21
A11
TEND1
8
CKS
22
NC
DREQ1
9
RXS
23
NC
A12
24
A12
A13
25
A13
A14
26
A14
CKA1
A15
27
A15
RXA1
A16
28
A16
TEST
29
A17
TXA1
+5
30
NC
31
A18/TO
CKA0
C
C6
32
VDD
RXA0
33
A19
TXA0
.1uF CER
34
VSS
DCD0
D0
35
D0
CTS0
DGND
D1
36
D1
RTS0
D2
37
D2
D3
38
D3
D4
39
D4
D5
40
D5
TO KEYBOARD
+5
DBCN5-5
DBCN9-1
DBCN5-4
DBCN9-2
/RESET
DBCN5-3
DBCN9-3
KEYRX
DBCN5-2
DBCN9-4
KEYTX
DBCN5-1
DGND
B
+5
RN3
1K X 9
2
SWC0
3
SWC1
4
SWC2
5
SWC3
6
SWC4
D0
7
SWC5
D1
SWC6
D2
8
9
SWC7
D3
D4
D5
D6
D7
A
91
IN1
19
DGND
1
2
3
4
+5
R12
1K
80
/RESET
79
78
C304
C7
77
1uF/50
1nF CER
76
75
DGND
NC
X1
15MHz
74
DGND
73
U2
VSS
72
C1
MAX698
VSS
71
22pF
PHI
VCC
70
/RD
C2
6
RD
NC
VCC
69
/WR
22pF
5
WR
NC
68
M1
GND
67
7
E
RES
GND
66
/MREQ
DGND
GND
65
/IORQ
64
63
NC
62
NC
61
HALT
60
U3
59
DREQ1
GAL16V8
58
CKS
+5
A12
1
20
CKS
IN1
VCC
57
RXS
A13
2
19
RXS
IN2
IO1
56
A14
3
18
TXS
IN3
IO2
55
A15
4
17
IN4
IO3
54
KEYRX
A16
5
16
R13
IN5
IO4
53
TEST
/IORQ
6
15
10K
IN6
IO5
52
KEYTX
/MREQ
7
14
IN7
IO6
51
/WR
8
13
NC
IN8
IO7
50
/RD
9
12
IN9
IO8
49
10
11
GND
IN10
48
DCD0
47
46
CTS0
DGND
45
44
D7
D7
43
NC
42
NC
41
D6
D6
U65-17
+5
U7A
TO MIDI
74HCT74
2
5
D
Q
+5
3
CLK
8d
6
Q
DGND
U16
74HCT138
A3
1
15
A
Y0
A4
2
14
B
Y1
A5
3
13
C
Y2
12
Y3
11
Y4
/IORQ
4
10
E1
Y5
A6
5
9
E2
Y6
A7
6
7
E3
Y7
U11
74HCT245
2
18
SWC0
PANEL
A0
B0
DBCN2-10
3
17
SWC1
A1
B1
DBCN2-11
EDIT
SWC2
4
16
A2
B2
DBCN2-12
MASTER
5
15
SWC3
ENTER
A3
B3
DBCN2-13
6
14
SWC4
A4
B4
DBCN2-14
CURSOR
7
13
SWC5
A5
B5
DBCN2-15
-1
8
12
SWC6
A6
B6
DBCN2-16
+1
9
11
SWC7
A7
B7
DBCN2-17
E
1
DIR
Switch Matrix Input
0 to 7
3
4
5
U5
29F010B
A0
12
13
D0
A0
D0
A1
11
14
D1
A1
D1
A2
10
15
D2
A2
D2
A3
9
17
D3
A3
D3
A4
D4
8
18
A4
D4
A5
7
19
D5
A5
D5
A6
6
20
D6
A6
D6
A7
5
21
D7
A7
D7
+5
A8
27
A8
1
A9
26
31
/WR
A9
WR
2
A10
23
24
/RD
A10
OE
A11
25
A11
3
A12
4
30
A12
NC
4
A13
28
1
A13
NC
A14
8
29
A14
3
32
A15
VCC
A16
2
A16
DGND
22
16
.1uF CER
CE
GND
T1
DGND
+5
BS170
1
3
2
/RESET
U4
74HCT138
A0
1
15
OT0
A
Y0
A1
2
14
OT1
B
Y1
A2
3
13
OT2
C
Y2
12
OT3
Y3
11
OT4
Y4
/WR
4
10
OT5
E1
Y5
5
9
OT6
E2
Y6
6
7
OT7
E3
Y7
U10
74HCT138
A0
1
15
A
Y0
A1
2
14
B
Y1
A2
3
13
C
Y2
12
Y3
11
Y4
4
10
E1
Y5
/WR
5
9
LCDCS
E2
Y6
6
7
LCDWR
E3
Y7
+5
80-87
U19
88-8f
74HCT138
90-97
A0
1
15
IN0
A
Y0
A1
2
14
IN1
B
Y1
A2
3
13
C
Y2
12
Y3
11
Y4
4
10
E1
Y5
/RD
5
9
E2
Y6
6
7
LCDRD
E3
Y7
U18
74HCT574
D7
9
12
SWR7
8D
8Q
DBCN2-9
D6
8
13
SWR6
7D
7Q
DBCN2-8
D5
SWR5
7
14
6D
6Q
DBCN2-7
D4
6
15
SWR4
5D
5Q
DBCN2-6
D3
5
16
SWR3
4D
4Q
DBCN2-5
D2
4
17
SWR2
3D
3Q
DBCN2-4
D1
3
18
SWR1
2D
2Q
DBCN2-3
D0
2
19
SWR0
1D
1Q
DBCN2-2
OT11
11
CLK
DBCN2-1
1
OC
DGND
DGND
Switch Matrix Output
5
6
7
U6
TC551001
A0
12
13
D0
A0
D0
A1
11
14
D1
A1
D1
A2
10
15
D2
A2
D2
A3
9
17
D3
A3
D3
A4
D4
8
18
A4
D4
A5
7
19
D5
A5
D5
A6
6
20
D6
A6
D6
A7
5
21
D7
A7
D7
A8
27
A8
A9
26
29
/WR
A9
WR
A10
23
24
/RD
A10
OE
A11
25
30
/RESET
A11
CE2
A12
4
A12
+5
A13
28
1
A13
NC
A14
3
A14
A15
31
32
A15
VCC
A16
2
A16
C4
22
16
CE1
GND
.1uF CER
DGND
+5
D1
BAT41
R1
NV SUPPLY
1K
Q2
+5
2N3904
D6
R204
470
BAT41
+10
R202
63.4K 1%
B1
R203
OT8
35.7K 1%
OT9
OT10
OT11
DGND
DGND
DGND
D2
1N4148
12
D
11
CLK
R4
1K
D3
1N4148
DGND
R3
220
SIGNAL FROM OSC
Title
VOYAGER CPU
Size
Number
A3
Date:
21-Apr-2003
File:
C:\WINDOWS\DESKTOP\11-400A.S01
6
7
8
D
C5
C
C201
4.7uF
B
+5
U7B
74HCT74
9
Q
8
U1-5
Q
TUNECD
DBCN6-48
A
Revision
11-400B
Sheet of
1
4
Drawn By:
8
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