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4A)
SYMPTOM:
Solencidts) dotes)
not pull-in during course of game.
ACTION:
A) With power ON, open front door. Press button (Self-Test switch)
three times.
B) If qarne was correct, each solenoid would be energized. A number is
flashed on the Monitor as each solenoid is pulsed. Note any numbers that
do not have the sound of a solenoid associated. See Solenoid Identification
Table, Page 15 and Figure
V.
C) Carefully lift the playfield 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 combo board 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) Rep-eatAA and AB if game is correct. It is now ready for play. If game
is
not correct, turn power OFF.
H) Replace MPU module A4. See CAUTION NOTE 1C.
I)
Repeat A
&
B. If game is correct, it is now ready for play.* If game is not
correct, refer to Module Replacement Procedure. (See Parts List.)
48) SYMPTOM: Solenoid(s) always energized - Note: if impulse solenoids (ball ejects, sling-
shots, 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,AI and AJ.
5)
SYMPTOM: Feature (Drop Targets.etc.) does not score.
ACTION:
A) With power ON, open front door. Pressbutton (Self-Test switch) to enter
switch test.
B) If the game is correct, Monitor would flash '0'. If a number appears on
tr.e Player Score displays, see Switch Assembly Identification Table,Page 15
ana Figure
V.
el
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 1C.
E) Repeat A & B. If game
is
correct, it is now ready for play.* If the game
is not correct, refer to Module Replacement Procedure. (See Parts List).
6)
SYMPTOM: Game blows fuse(s) repeatedly.
ACTION:
See Module Replacement Procedure. F.O. 560
"Turn power On-Of switch OFF and then ON.
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