Basic HTML Version
LAMP MATRIX
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Brown
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Black
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Gray
J121-1
J121-2
J121-3
J121-4
J121-S
J121-6
J121-7
J121-9
w
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0100
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Red-
CENTER
ARMOR
BONUS
TOP RIGHT BOTTOM R.
1 Brown
LITE
TIMER
CAR
SX+
WHEEL
3-BANK
3-BANK
TOP JET
J12S-1 0104 DEPOSIT
"15"
CELLAR OUTLANE
ARROW
TOP
TOP
(YELLOW)
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31
41
51
61
71
81
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CENTER
CENTER
ARMOR
TOP RIGHT BOTTOM R.
2
Black
TIMER
TIMER
CAR
BONUS
LITE
3-BANK
3-BANK
LEFT JET
J12S-20108
"10"
"20"
ROOF
SX
OUTLANES
MIDDLE
MIDDLE
(CLEAR)
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22
32
42
52
62
72
82
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CENTER
ARMOR
TOP RIGHT BOTTOM R.
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Orange
DISABLE
TIMER
CAR
BONUS
INVISIBLE
3-BANK
3-BANK RIGHT JET
J12S-40103 COMPUTER
"25"
MAIN
4X
CODE
BOTTOM BOTTOM
(RED)
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23
33
43
53
63
73
83
Red-
CENTER
CENTER
TOP LEFT BOTTOM L.
4 Yellow
TIMER
TIMER
BONUS
BONUS
EXPLOSIVES
3-BANK
3-BANK
BANK
J12S-S 0107
115"
"30'
2X
3X
TOP
TOP
LEFT
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24
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44
54
64
74
84
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CENTER
CENTER
NOTE
TOP LEFT BOTTOM R.
S
Green
TIMER
TIMER
(A)LARM
RAMP
TO
3-BANK
3-BANK
BANK
J12S-60102
"0'
"35"
STANDUP
LOCK
TELLER
MIDDLE
MIDDLE
RIGHT
15
25
35
45
55
65
75
85
Red-
TOP
TOP LEFT BOTTOM R.
6
Blue
LITE
CALL
ATM
AL(A)RM
LEFT
3-BANK
3-BANK
VARI
J12S-70106
LOCK
GUARD
CARD
STANDUP
LANE
BOTTOM BOTTOM BREAK IN
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26
36
46
56
66
76
86
Red-
CENTER
CENTER
TOP
RIGHT
7
Violet
TIMER
TIMER
A(L)ARM ALA(R)M MIDDLE
"EXTRA
LEFT
ROOF
J12S-80101
"55"
"45'
STANDUP STANDUP
LANE
TIME"
RETURN BREAK IN
17
27
37
47
57
67
n
87
Red-
CENTER
CENTER
TOP
LEFT
8
Gray
TIMER
TIMER
RAMP
ALAR(M)
RIGHT
RIGHT
"EXTRA
START
J12S-9010S
"50'
"40'
JACKPOT
STANDUP
LANE
RETURN
TIME"
BUTTON
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28
38
48
58
68
78
88
J1 XX
=
Power Driver Board
LAMP MATRIX CIRCUIT
r --- -- ---- -- --- ----------------
- --- -----:;:. lilv-- ---------
--- --- -----,
:
Column (example)'
:
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Jl02
:
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TIP107
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:
Jl
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8
-[-x] :
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Jl
xx
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:
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~
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L
~
COLUMN A ~
_
H L OFF
L H ON
PLAYFIELD
LMJ 39
ROW
C
NORMAL H
OPERATION H
DmF
G:igV
L H L HOFF
L
L_
H
L
ON
Row (example)
The microprocessor sends a Signal to the column circuit causing the output of the UNL-2803 to toggle.
When point "A" drops low, the TIP107 transistor conducts and point "8" changes to a high state. At the
same time, the microprocessor drives the input of the 74LS74 low, causing a high at output "F". A high
state at the base of the TIP102 causes the transistor to conducts, bringing the row circuit to ground and
turning the lamp on. The microprocessor changes the input of the 74LS74 to a high state to turn the
lamp off.
In over-current conditions, the lamp is shut off through the comparator.
If the voltage at the negative input
of the LM339 rises above 1.4V, the output changes to a low, which is fed back to the 74LS74 and shuts the circuit
off.
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