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AND
SOURCE
SIGNAL
DEST
NATION
CODE
GPM
LO-01
GPM
to
GPM
Ll-04
Ll-05
WBD 29
Ll-07
Ll-08
Ll-09
(17
LO-11
LO-12
PSD
to
(50)
WBD
to
(41)
Ll-14
WBD
to
(1)
(43)
LO-15
WBD
to
(2)
(5)
Ll-16
Ll-17
O-20
WBD
to
(12)
WBD
to LDPS
(11)
LO-22
GPM
to SPC
(59)
(19)
SIGNAL DESCRJPTION LIST
CHARACTERISTICS
Signals not used
PSD
Derived
from
Drives (via PSD and out on Ll-30)
Used i.n curre'nt
Derived
from
drive
associated
it is to play.
Derived
from
gate out pulses etc to correct PSD.
19
Not
allocated.
Occurs if a score exceeding 0 detected in decade
WBD
on PSD.
is 0 then LO-12 is a level at 0 and win register
If score exceeds 0 then LO-12 is a pulse
and
BUST
Occurs when first coin is inserted and lasts till 1 s
LDPS
after
WIN
(38)
via RL3 on LDPS.
LDPS
Occurs
when
first coin.
current
sink
SPC
Inverse of Ll-14.
further scores after a win-and
from working on GPM.
(27
Gated output of WIN and which players turn it is.
via LO-33, LO-35, LO-37, and LO-39 (and LDPS) to
associated
SPC
Occurs in a BUST situation.
registering
(3
by
'player
Inverse of LO.-20.
Used in current sink mode.
Inhibits scoring on SPC for 5 seconds after 'player
change.' has been pushed.
AND
FUNCTION
W H E
'number of players in game' register.
sink mode.
'players turn'
caption
Players 1 thru 4 run in sequence as
Used in current sink mode.
'players
turn'
Used to clock WIN and
register
clocked.
detected.
Drives
Used in curren.t
WIN
registered.
Drives GAMEOVER
mode.
Used on SPC to prevent registerins
WIN
caption
lamps.
further
scores
change'
being
Drives BUST lamp via LO-41 on LDPZ
R
O
E
T H E R W I S E
associated
register on GPM.
lamps
indicating
register.
Used on WBD to
BUST
register.
'Board
Illumination
sink mode.
Cancelled by insertion c
lamp via LO-40.
stops
'player
Used on SPC to prevent
in
a
BUST
situation.
pushed.
)
S T A T E D
LED
disp
Used to
whose
turn
If SC0
long
C
Lamp'
Used ir
change'
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