20
DISPLAY
Assembly 41
HP 9830 Computer
Section: Board Layout - Devices & Power
Page: L3
Rendition: 2014 Dec 26
9
10
8
4
12
11
14
5
6
3
2
1
15
13
7
TAPE INTERFACE / Assembly 61
18
17
16
15
14
13
11
4
6
8
9
1
5
4
3
2
19
12
5
10
9
8
7
6
3
2
1
4
1
2
3
18
V
1
A
N64
18
V
1
A
N63
18
V
1
A
N61B
24
BB
1
A
N62
10
L
1
A
N61A
KEYBOARD LOGIC
Assembly 32
DISPLAY LOGIC
Assembly 42
POWER SUPPLY
Assembly 51
22
Z
1
A
N51A
18
V
1
A
N51B
22
Z
1
A
N42
15
S
1
A
N41
1
A
24
BB
N32
d2
d6
d5
d4
d7
c1
c4
c3
c2
c5
d3
b1
b2
d1
a1
c1
c2
c3
c4
c5
c6
c7
c8
c9
c10
d1
e1
e2
e3
e4
e5
e6
e7
e8
e9
e10
e11
e12
f1
f2
f3
f4
f5
f6
f7
f8
f9
f10
f11
f12
a1
a2
a3
a4
a5
a6
a7
b1
b2
b3
b4
b5
b6
b7
b8
b9
1
2
3
4
5
TAPE CONTROL
Assembly 62
TAPE READ/WRITE
Assembly 63
TAPE MOTOR CONTROL
Assembly 64
EXTERNAL I/O BUS
Assembly 02
25
CC
1
A
N0X
1
2
3
25
CC
1
A
N02
25
CC
1
A
N0X
25
CC
1
A
N0X
22
Z
1
A
N0Y
25
CC
1
A
N0X
6
F
1
A N01
4
5
15
13
14
9
8
12
5
7
16
4
6
17
2
1
11
10
3
1
A
1
S
15
N65
TAPE INTERCONNECT
Assembly 65
TAPE HEAD
Assembly 66
1
2
1
5
6
7
8
9
4
3 2 1
1
2
9
3
2
1
8
7
6
4 5
5 4 3 2
3
4
5
M
P
S
H