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Saturday 31 March 2018 at 11:11
Quoted from cp1610:So you had this issue prior to code change. Does it seem to get worse or better the longer the game is on? Reason in asking as the head box heats up from running lamps,power supply etc. It is possible to have a solder joint or joints that are making and breaking as the temperature...
Source: http://pinside.com/pinball/forum/topic/hook-dmd-issue#post-4312388