I wish you both the best of luck. Let me know when you decide to
sell it as parts.

--- In oberheim@yahoogroups.com , "Paul J. White" <pjwhite@...> wrote:
>
> At 11:14 AM 2/17/09, you wrote:
>
> >Did some work over the weekend.Here's what I found.The "D3" line
is
> >loaded down to about 2 volts.All the other Data lines are reading
> >4.8- 5 volts.Pulled the PROMS, didn't make any difference.How
many,
> >and what I.C.s can I remove in what sequence without damaging the
> >components to isolate the problem
>
> Remove any and all ICs that have a connection to D3 one at a time
> until the loading goes away. You shouldn't damage anything if you
> turn off the power between each part removal. You've already
tried
> the EPROMs -- try removing the RAM chips, latches and buffers
> connected to D3 (A29 through A34, A102 through A105, A110 through
> A115 and as a last resort, try replacing the Z80.
>
> Removing voice cards won't help, as this signal doesn't go
directly
> to the any voices.
>
> -- Paul White
> http://www.electrongate.com/dmxfiles
>