Williams Electronics WHIRLWIND - Lamp Tests; Lamp-Matrix Table

TEST/DIAGNOSTIC
PROCEDURES
(Continued)
LAMP TESTS.
1. All
Lamps.
(From
Sound
Test)
To
initiate
the
first
Lamps
Test,
press
ADVANCE.
Observe that
the upper
displays show the message,
ALL
LAMPS,
and
that
the lower
display shows
03 (All
Lamps
Test
identifier)
and
that all
feature
lamps (playfield
and
backbox)
blink on
and off.
(Note,
however,
that the General
Illumination
lamps remain
lighted
steadily.)
To
locate
the
wiring
associated
with
a particular
feature
lamp, refer
to the
Lamp-Matrlx Table.
CPU Board
connections
at jacks
1J6
(columns) and
1J7 (rows)
are
also
listed
in
the table.
2.
Single
Lamps.
From
the All
Lamps
test,
using
AUTO-UP, press
ADVANCE
to
initiate
the Single
Lamps
Test.
The
upper
displays initially
show the
message, SINGLE
LAMPS,
and
the lower display
shows
04.
Then,
the
lower
display
shows 04 01,
and
the upper
displays change
to show
"HOT
SCORE", the
name
of
the
lamp
currently
blinking.
Press
the Credit button
to proceed
through
an
ascending
series
of
designator
numbers
(01
through
64), with
the upper
displays
showing
the
individual
lamp's
name.
(To
proceed
through
a descending
series
of lamp
identifiers,
use
MAN
UAL-DOWN.)
Press
and
hold
the Credit button
to
proceed rapidly to the
desired
lamp.
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