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Tuesday 16 January 2018 at 01:28
I pulled out the solenoid driver board and inspected it. Sure enough, there were quite a few connectors that visually showed solder cracks in them. I reflowed all of the boards connectors and, for the moment it plays fine. Will need to put a few games on it and let it sit running for a while to se...
Source: http://pinside.com/pinball/forum/topic/bally-6803-light-matrix-troubleshoot-help#post-4178012