Bally Xenon - Page 20

C) If game
is correct, it is now ready to play* If game is not
correct, refer to
Module Replacement procedure. (See Parts List.)
3C)
SYMPTON: One or several displays always off.
ACTION: A) Do 3AA, AB, AC,
and AD.
B) Repeat 3BB and BC, if necessary.
4A) SYMPTOM: Solenoid(s) do(es) not
pull-in during course of game.
ACTION: A) With power ON,
open front
door. Press
button (Self-Test switch) three
times.
B) 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 17 and Figure V.
C) Carefully lift the playfield (or open the back box) to gain access to the
solenoid. Turn power
OFF.
Inspect the solenoid.
D) If
a
lead is broken off, repair. Repeat A
& B. If
game is correct, it is now
ready for play* If solenoid wiring
was
correct, turn power OFF.
E)
Replace Solenoid Driver/Voltage Regulator module A3.
See
CAUTION
NOTE 3AB.
F) Repeat AA & AB. If game is correct, it is now ready to play.* If game is
not
correct, turn power OFF.
G) Replace Sound Module A8.
H) Repeat AA and AB if game is correct. It is now ready to play. If game is not
correct, turn power OFF."
I) Replace MPU module A4.
See
CAUTION NOTE,
1C.
J)
Repeat A
&
B. If game is correct, it is now ready
to
play.* If game is not
correct, refer to Module Replacement Procedure.
(See
Parts
List.)
4B) SYMPTOM: Solenoid(s)
always energized—Note: if impulse solenoids (ball ejects,
slingshots,
thumper-bumpers, etc.) are energized continuously, they are
subject to damage. Limit troubleshooting to one minute with power ON,
followed
by five minutes with power OFF. Repeat
as
necessary. Replace
damaged solenoids.
ACTION:
Do 4AA, AB, AE, AF, AG, AH and if necessary, Al and AJ.
5)
SYMPTOM: No Sound.
ACTION: A) With Power
ON, open front door, press Self-Test switch four times.
B) Turn
volume control clockwise to Max.
C) If correct, sound will
be
heard.
If incorrect, try seating speaker lead
connector
(J2)
and input connector
(J1).
D) If correct, sound will
be
heard. If incorrect,
refer to Module Replacement
procedure!'
6)
SYMPTOM:
Feature (Drop Targets, etc.)
does
not score.
ACTION: A) With power
ON, open front door. Press button (Self-Test switch) five
times.
B) If the game
is correct, Match/Ball in Play display would flash
'0!
If a
number appears
on the Player
Score
displays,
see
Switch Assembly
Iden-
tification
Table, Page 17 and Figure V.
C) Carefully lift the playfield. Locate the switch
assembly identified from the
number.
Visually inspect the switch
assembly. If the contacts are 'stuck;
regap them
to
1/16".
See section under ADJUSTMENTS.
Repeat A & B. If
the game
is correct, it is now ready to play*
If game is not correct, turn the
power OFF.
D) Replace
MPU module A4.
See
CAUTION
NOTE
1, C.
E) Repeat A
&
B. If the game is correct,
it is now ready to play.* If the game is
not correct, refer
to Module Replacement
Procedure. (See Parts List).
7)
SYMPTOM: Game blows fuse(s)
repeatedly.
ACTION:
See
Module
Replacement Procedure. F.0.
560
'Turn power On-Off switch OFF and then
ON.
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