Unplug ROW 7 connector from CPU. If error goes away the short is out in the game. If the error doesn't go away, your CPU got damaged. Likely U20.
LTG : )
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Unplug ROW 7 connector from CPU. If error goes away the short is out in the game. If the error doesn't go away, your CPU got damaged. Likely U20.
LTG : )
Quoted from johnjones:I was pretty sure the error is out on playfield somewhere but it’s difficult physically tracing the wire from switch to switch visually.
Might not be obvious. Could be a switch shorted internally. You may have to unhook the green wire one at a time until you find it.
LTG : )
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