Make sure you have a good ground. I run into this issue on the test bench
every now and then.
Matt
On Tue, 22 Jan 2008 17:57:32 -0600, "Lewis D'Aubin" <ldaubin@bellsouth.net>
wrote:
> Hello all,
>
> OK, after fooling around with the EPROMs and buzzing out a bunch of
> sockets, I tried replacing the game Z80 micro. Success! Omega Race is
> back to life. (Both Z80's ended up being bad.)
>
> Thanks to all the folks who suggested things to try.
>
> BTW, I read 4.75V on the +5 on the CPU board (and on the power supply
> itself), even with the adjustment pot all the way up. The game seems to
> run fine but I am somewhat concerned. Any ideas?
>
>
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Received on Tue Jan 22 19:14:52 2008
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