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SYMPTOM: SOLENOIDS
I. One or more solenoids do not pull-In during game play.
ACTION:
A. With power ON, open front door. Select SELF TEST-Solenoid Test with keyboard.
B.
If game is correct. each solenoid should be energized in sequence. The solenoid name appears with the
Driver (a) Number and connector jack with 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
on the bottom of the Playfield.)
C.
Carefully lift the Playfield to gain access to the solenoid. Turn power OFF. Inspect the solenoid.
O. If a lead is broken off, repair. Repeat steps A
&
B. If game is correct, it is now ready for play. If solenoid
wiring was correct, turn power OFF.
E.
Replace 6803 Control Board. See CAUTION NOTE on page 1-7.
F. Repeat steps 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 steps 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) always energized.
NOTE:
If momentary 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 Playfield 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 is correct, each solenoid should be energized in sequence. The solenoid name appears with the
Driver
(a)
Number and connector jack with 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 Ripper Assemblies
on the bottom of the Playfield.
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 steps A
&
B. If game is correct, it is now ready for play. If Solenoid
wiring was correct, turn power OFF.
E.
Replace 6803 Control Board. See CAUTION NOTE below.
F.
Repeat steps 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 steps A & B. If game is correct, it is now ready to play. If game is not correct, contact the Bally-Midway
Service Department.
SYMPrOM:
NO
SOUND
ACTION:
A.
With power ON, open front door. Select SELF TEST-Sound Test with the keyboard.
B.
Turn volume control clockwise to the maximum position.
C.
If correct, sound will be heard. If incorrect, try seating speaker lead connector (J2) and input connector
(J1) on the Sound Board.
D. If correct, sound will be heard. If incorrect, contact the Bally-Midway Service Department.
SYMPTOM: SWITCHES
Feature (Drop Targets, Stand-up Targets, etc.) does not score.
ACTION:
A.
With power ON, open front door. Select SELF TEST-Switch Test with the keyboard.
B.
If the 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 steps A & B. If the game is correct, it is
now ready to play. If the game is not correct, turn power OFF.
D.
Replace the 6803 Control Board.
E. Repeat steps A
&
B. If game
;s
correct, it is now ready to play. If game is not correct, contact the Bally-Midway
Service Department.
CAUTION: Replacement 6803 Control Board must have same Part Number or incorrect operation will result!
See Parts List for Control Board on pages 2-13 thru 2-15.
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