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Problem
Possible Cause
Solution
Game resets.
Bad file.
Run File Test. Restore hard drive.
Coin meter does not click during
Test.
No pulse to meter
Check all wiring from meter to I/O
board
Faulty
meter
Replace coin meter
Exits Test Mode every 3 seconds
Test button stuck in ON position
Slide or toggle button off after Test
Menu appears
No Signal
Video or power cable not secure
Check and secure cable.
PC not turned on
Turn PC power switch on. Ensure
IEC cable tightly plugged in. Trace
cable back to source to ensure
continuity.
Sync Polarity incorrect
Change DIP switch settings for
HSYNC and VSYNC.
Dongle Not Present
Dongle missing or disconnected
Find dongle and reseat in USB port
Faulty USB port
Insert dongle in different USB port
Connect I/O Board
or
I/O Board Missing
USB cable disconnected
Check USB connection from PC to
I/O board
No power to JAMMA I/O board
Check for proper voltage (+5V,
+12V) at JAMMA connector
Watchdog Disabled
or
Watchdog Failed
Watchdog defeated by JAMMA I/O
DIP switch
Set DIP switch 8 to OFF
No power to Reset PCB
Connect power to Reset PCB
Reset input to motherboard
disconnected
Connect 2-pin reset connector from
Reset PCB to motherboard reset pin
input
Violet or black wire from Reset PCB
disconnected or faulty
Check reset wire connection to
JAMMA connector.
Terminator head LED eyes or cold
cathodes fail to light
Bad connection or pinched wiring
Remove distortion print head and
check wiring and connections.
Bad cathode inverter
Test inverter. Replace, if necessary.
Damaged cathode tube
Replace tube.
Loose connector pin
Tighten connector pin.