8
Jumpin' Jackpot
Operators Manual
TROUBLESHOOTING
Problem
Probable Cause
Solution
No lights.
1)
No AC power.
1)
Check AC input plug and wire harness.
Verify PS switch is ON and the fuse in
the power entry module is working.
Disconnect the 15 pin connector on the
main logic. If the AC power inputs are
present at the power supply and the
green power supply indicator LED is
off, the power supply will need to be
replaced.
2)
No DC power.
2)
Check AC input plug on switching
power supply. Verify PS switch is ON.
Check DC output voltage for 12-
13VDC. If this voltage is very low,
check for output shorts by removing
load connectors one at a time (ref.
overall wiring diagram in Appendix). If
loads are OK, If the voltage is close, try
to trim the voltage using the adjustment
on the power supply.
3)
Main PCB problem.
3)
If main PCB rack is suspected bad,
verify by swapping with known good
unit. If service is req’d, contact your
Distributor.
No audio.
1)
Cables bad, or incorrectly
connected.
1)
Check connectors on MAIN PCB.
2)
Sound output set too low.
2)
Adjust audio volume in OPTIONS. Ref.
GAME VOLUME or ATTRACT
VOLUME.
Distorted audio.
1)
Volume set too high.
1)
Adjust in OPTIONS under MAIN MENU.
Ref. GAME VOLUME or ATTRACT
VOLUME.
2)
Main PCB problem.
2)
Main PCB rack requires service.
3)
Incorrect speaker impedance.
3)
Verify 4 ohm speakers.
Содержание JUMBO JUMPIN'
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Страница 13: ...10 Jumpin Jackpot Operators Manual APPENDIX B WIRING DIAGRAM...
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