19
TROUBLESHOOTING GUIDE
Problem
Probable Cause
Remedy
No Communication
between boards.
Playfield Arms not
responding / Player
Push Button Problem.
If “Power” is not solid ON
Ensure Power Supply Plug is
plugged into blue “IN” socket on
main board.
Replace if needed
Verify dipswitch 3 is on, Central
Main Board.
Ensure switch on the push button
is wired properly.
Wire on Push Button or Motor
broken.
Motor to arm is plugged in
If LEDs are not on
Communication to Central Board is faulty.
Check Power Supply Plug to Central Main
Board.
Replace Central Main, “Daughter Board”.
**MAKE SURE PWR IS OFF TO GAME
AND ALL RIBBON CABLES ARE UN-
PLUGGED TO DOOR BOARDS**
A. Trace wiring to Door Board.
B. Button is bad.
C. Replace button (A5PB7300)
D. Replace Door Board (A5CB5151)
A. Trace wiring to Door Board
B. Motor is bad
C. Replace motor (AAMO5150)
D. Replace Door Board
Main Board and WIRING TO Power Supply OK.
Check green LED’s on Central Main board.
“Power” solid ON
Summary of Contents for TOWER OF TICKETS
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