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3A) SYMPTO~: Display digits improper on one or several, but
less than all Display Driver mooule(s)
I
AI.
Improper: One or several segments always OFF,
digits ~ottlea or several segments or digit(s)
always ON.
ACTIO~: A)With power O~, open front door. Press red
button (Self-~est switch) twice. If the ga~e
is correct, each digit on each Display Driver
~odule Al (5 used/game) displays the count
1-9 and 0 continuously in all 6 digit positions.
~ote defective Display Driver modules.
B)~urn pOHer OFF.
CAU~ION: HIGH VOL~AGE IS SUPPLISD TO
THE
DISPLAY
DRIV:CR NODULES,
AI,
FRO~1 TEE SOLE~-1OIDDRIVE~/
VOLTAGE REGULl\.70R HODUI,E A3.
~"JAIT 3
0
SECmmS
FOR HIGH VOL~AGE TO BLEED OFF.
C)Replace Display Driver module(s) AI. Turn power
O!·J. Repea t A
D)If game is correct, it is now ready to play.*
If game is not correct, refer to ~odule Replacement
procedure. (See Parts List).
38) SYMPTOM:
All
displays improper (all five display Driver
rnodu
Le s
L,
Improper: Digit(s) always on or off/
segment(s) always on or off, all displays.
ACTION: A)Repeat 3&~, and AB
B) Replace ~·1PCmodule A4. See CAU':'IONNOTE,
rc .
Turn power 0:1. Repeat A.
e)If ~ame is correct,
it
is now ready to play.*
If game is not correct, refer to ~odule Replace-
ment ~rocedure. (See Parts List)
3C) SVMPTOIl: One or several displays alway~ off.
AC'.i.'IO:J:AIDo
3A.l!,.:.,
AB, AC, and AD.
3)Repeat 3BB and
9C,
if necessary.
4A) SYMPTO~: Solenoid(s) dotes) not pull-in during course of game.
AC?ION: A)With power ON, open front door. Press red
button (Self-~est switch) three times.
3)If game was correct, each solenoid would be
energized. A number is flashed on the Player
Score displays as each solenoid is pulsed.
Note any numbers that do not have the sound of
a solenoid associated. See Solenoid Identification
Table; Page 21 and Figure
v.
C)Carefully lift the playfield (or open the back box)
to gain access to the solenoid. 7urn power OFF.
Inspect the solenoid.
*7urn nower On-Off switch OFF and then O~.
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