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SYMPTOM: SOLENOIDS
I. One or more solenoids do not pull-ln during course of game.
ACTION:
A. With power ON. open front door. Select SELF TEST-Solenoid Test with keyboard.
B. If game was correct, each solenoid would be energized. The Solenoid name appears with the Driver Q Number
and connector jack and pin numbers. (NOTE: If most of the Playfield Solenoids DO NOT operate, check
the Playfield Fuse to see if it is blown. It is generally found near the Flipper Assemblies.)
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 Control board. See CAUTION NOTE.
F. Repeat A
&
B. 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 A
&
B. If game is correct it is now ready to play. If game is not correct, contact the Bally-Midway
service department.
II. Solenoid(s) are 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. (NOTE:
When troubleshooting Playfield Solenoid Circuits, be advised that a constantly energized Solenoid (i.e.
Thumper-Bumper) will blow the Playfield Fuse in a few seconds. To avoid replacing the Fuse repeatedly,
try to isolate the faulty Solenoid Circuit as soon as the game power switch is flipped ON.}
ACTION:
A. With power ON, open front door. Select SELF TEST-Solenoid Test with keyboard.
B. If game was correct, each solenoid would be energized. The Solenoid name appears with the Driver
Q
Number and connector jack and pin numbers. (NOTE: If most of the Playfield Solenoids DO NOT operate,
check the Playfield Fuse to see if it is blown. It is generally found near the Flipper Assemblies.)
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 Control Board. See CAUTION NOTE.
F. Repeat A & B. 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 A & B. If game is correct, it is now ready to play. If game is not correct contact the Bally-Midway
service department.
SYMPTOM: NO SOUND
ACTION:
A. With power ON, open front door. Select SELF TEST-Sound Test with the keyboard.
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, contact the Bally-Midway service department.
SYMPTOM: SWITCHES
Feature (Drop Targets, Stand-up, etc.) does not score.
ACTION:
A. With power ON, open front door. Select SELF TEST-Switch Test with the keyboard.
B. If game is correct, "All Switches Open" is displayed. Otherwise, the name of the switch(es) will be displayed
with jack and pin numbers.
C. Carefully lift the playfield. Locate the switch assembly identified from the display. Visually inspect the switch
assembly. If the contacts are stuck, re-gap them to
1/16."
Repeat A & B. If the game is correct, it is now ready
to play. If the game is not correct, turn power OFF.
D. Replace Control bdard. See CAUTION NOTE.
E. Repeat A & B. If game is correct, it is now ready to play. If game is not correct. contact the Baity-Midway
service department.
CAUTION: Replacement Control Board must have the same Part Number or incorrect operation wilt result! See
Parts List tor Control Board.
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