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3C)
C) If game is correct, it is now ready to play: If game is not correct, refer to
Module Replacement procedure. (See Parts Llst.)
SYMPTON: One or several displays always off.
ACTION:
A) Do 3AA; AB, AC, and AD.
B) Repeat 3BB and BC, if necessary.
SYMPTOM: Solenoid(s) doles) not pull-in during course of game.
ACTI-ON:
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.
0) 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 DriverlVoltage Regulator module A3. See CAUTION
NOTE3AB.
F) Repeat AA & AB. If game is correct, it is now ready to play: If.gameis not
correct, turn power OFF.
G) Replace Sound Module AS.
H) Repeat AA and AB if game is correc!. 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.)
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, Al-l.and if necessary, AI and AJ.
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).
0) If correct, sound will be heard. If incorrect, refer to ModUle Replacement
procedure:'
SYMPTOM: Feature (Drop Targets; etc.) does not score.
ACTION:
A) With power ON, open frontdoor; Pressbutton (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 liftlhe 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
0) 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).
SYMPTOM: Game blows fuse(s) repeatedly.
ACTION:
See Module Replacement Procedure. FO. 560
4A)
4B)
5)
6)
7)
'Turn power On-Off switch OFF and then ON.
16
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