Mario Bros white screen

stss95

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Sep 25, 2011
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I tried to install my mario bros high score save kit today everything went ok but when i powered it back up i only get a white screen, checked everything like 10 times and same thing. pulled out the high score and put just the original chip back in and same white screen. arggggg. Any thought>?
 
White screen usually means no input signal on a sanyo. Are you going through an inverter board? If so, try going straight from the Mario Board to the monitor.
 
where do i check the +5v the machine is all stock, inverter board?
 
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