Ms.Pac-man Cabinet: No Picture on Monitor

D_Harris

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I attempted to test a Pac-man Plus PCB in an old, dusty, all original Ms.Pac-man cabinet.

I tried several PCBs(Pac-man, Jr.Pac-man, and Ms.Pac-man). But there is no audio from coin-up or game play, and no movement on the screen from coin-up or game play. Only a faint hum when the game is on.

I did get a normal picture during one particular 5 second swap yesterday, but it went back to those frozen horizontal lines, which are about 1 inch apart and get dimmer from one to the next as you go down the screen.(See pic).

I tested and cleaned the fuses, and thought that the problem might be caused by the (original)fuse holders or a transformer.(It is very dirty in there). But I was told it was probably the monitor.

Any ideas would be appreciated.

Thanks a lot.

Darren Harris
Staten Island, New York.
 
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