Those B5 ROMs are for the OB-8 not OB-Xa. Anyway I have the ROMs for the OB-Xa with JL Cooper MIDI and Rev C processor board if you need it.

Doug
synthparts.com

--- In oberheim@yahoogroups.com , rob hukin <robhukin@...> wrote:
>
> Hi Doug,
>
> The B5 images are available from Magnus Danielson's site - http://rubidium.dyndns.org/~magnus/synths/companies/oberheim/
>
> rob.
>
> On 28 Nov 2012, at 14:09, Doug wrote:
>
> > Yes, my best guess is that it is a bad EPROM. Unfortunately I don't have
> > the image files for the MIDI version. I have image files for the
> > original so I tried to remove the MIDI board and put in the original
> > EPROMs. There was no flickering but no sound either. I'm not sure
> > if i need to change anything else to revert it to original non-MIDI.
> >
> > So a set of image files for the MIDI version would be useful too.
> >
> > Doug
> >
> > > Posted by: "Paulo Palmieri" paulopalmieri@... souldream70
> > > Date: Tue Nov 27, 2012 11:58 am ((PST))
> > >
> > > I don ´t have the eprom but have an OB-Xa with the same problem.
> > > In my case the buttons are working but the leds are flickering too and after 20 minutes they light off...
> > > I suppose that this could be an Eprom problem
> > >
> > > Paulo
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: doug1052365
> > > To: oberheim@yahoogroups.com
> > > Sent: Tuesday, November 27, 2012 5:43 PM
> > > Subject: [oberheim] OB-Xa Diagnostic EPROM needed
> > >
> > >
> > >
> > > I'm trying to repair this OB-Xa w/JL Cooper MIDI.
> > > Has no sound, all LEDs are flickering, buttons don't change anything.
> > > The power supply is OK. It seems the CPU is not booting up.
> > > Does anyone have an image of the Diagnostic EPROM
> > >
> > > Thanks
> > >
> > > Doug
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > Messages in this topic (2)
> > >
> > >
> > >
> > >
> > >
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