Berzerk 8 Beeps still no game

Talon2000

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Working on a Berzerk, that gets 8 beeps but won't run.

Manual states could be a closed switch that shouldn't be closed, so I set switch 9, and did the on screen diags. All switches show open except 9 of course.

The BSC-1000 is known good. Well everything except this particular ZPU I'm working on is known good.

So it's not a monitor that works.
Getting no lines etc when doing the switch test.
No Rolling or sync issues during switch test

Won't coin, won't play, won't run with free play romset either.

??
 
Can you get video uploaded for it? I've messed with Berzerk so much I pretty much know it inside and out. I would have to say just off the top of my head check all the power and make sure you are getting at least 5V on the speech board, I usually set mine at 5.10 at the speech board.
 
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