NAMCO PAC-MAN BATTLE ROYALE DELUXE, Operation Manual

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8B. SERVICES – To be conducted by a technician only –
8B-2 Troubleshooting
WARNING
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To prevent electric shock, accident or injury and to prevent damage to the electrical
circuitry of the machine, be sure to turn the power switch off before conducting the
tasks described bellow.
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If the problems encountered are not found in 8B-2-1 thru 8B-2-5 or if the problem
persists, immediately turn the power switch off to stop the operation of the machine,
and contact your distributor. Operating the machine without fixing a problem can
result in an accident.
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In the event a machine malfunctions, check to make sure that all
connections are secure.
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If there is a problem in the MAIN, I/O, A.I., or AMP PCB, the faulty
parts must be repaired by our company. Never use a tester to
conduct a continuity test. The internal voltage of a tester can
damage ICs.
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When sending parts for repair, pack them carefully. When sending
the MAIN, I/O, A.I., or AMP PCB, wrap it completely in foam or
bubble wrap and place it in a corrugated cardboard box to protect
it from external impact.