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Power Driver Board
The Power Driver Board provides+5V for al l of the cir cuitboards and +12Vfor the switches , The
Lamp , Solenoid ,and Ge neral Illumination ci rcu its are driv en from this board . The con trol for
these circu its is provided by the CPU Board.
Lamp Circuit
For all the lamps, the number on the left indicated the column, the numb er on the right ind icates
the row. Example -Lamp23 means 2nd column, 3rd row.
The lamps operate on +18V rectified and filtered DC and are operat ed in a ma trix configuration.
The processor controls both the co lumnand row circu its .
Lamp Matrix
Yellow (B+)
1h
..
Red
~
1
2
3
4
5
6
7
8
Vellow -
Vellow-
Vellow -
Vellow ·
Vellow-
Vellow .
Veil ow-
Vel low-
.
Brown
Red
Oranae Black
GrMn
Blue
ViolBt
Gray
1
Red -
Brown
1
21
31
41
11
S1
71
'1
2 Red-
Black
1
22
32
42
52
82
72
12
3
Red-
Orangtt
1
23
33
43
63
13
73
83.
4
Red-
V.rlow
1
24
:M
44
54
64
74
14
5
Red-
Gr.en
IJ
25
35
.s
55
&5
7S
lIS
6
RMI-
Blue
"
2!i
AA
411
.511
A
71
16
7 Red -
Violet
1
27
37
47
57
17
n
87
8 Red -
Gray
,1
211
:lR
1lI
SJ
611
78
RR
3-8
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