pac man wavy border

slither

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Hey there, I have a question about my pac man .It has a constant wave on the right side , the outside blue border of the maze, waves like a snake constantly,when you exit the right side of the maze or are coming back in , the pac man also distorts at this point for a second. The monitor has been replaced as the old one quit, but it had the same problem, this monitor was rebuilt last year, the board has also ben rebuilt and does not do this in the test rig there, any ideas?
 
Check the fuses in the bottom of the cab. Replace any blown ones and if they are the original fuse holders, replace them. Bad fuse holders are a common issue in those cabs.
 
it looks like the fuse holders are new, with the exception of the 2 under the high voltage cardboard, ill check it out ,thanks.
 
Start by cleaning the edge connector fingers on the pcb. A fiberglass scratch brush or some #000 steel wool works great.
 
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