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Saturday 19 May 2018 at 16:05
Quoted from frunch:I'd definitely start with connectors as far as the sound issue, both on the sound board and mpu board. As was said earlier, if reseating the connectors fixes the problem, don't wait--replace the connector pins. And even if replacing/re-flowing the connectors doesn't fix the issues...
Source: http://pinside.com/pinball/forum/topic/xenon-wont-start#post-4406576