Patches and discussion for Ensoniq VFX family

I wanted to chime in that Mission66 advised that I change out all the 
diodes with beefier ones to try and fix my VFX, whose display went 
semi dead one day. I changed them and presto chango, it all works 
again. Thank you. This is what the forum is all about. Remeber the 
warning is that you can't keep flicking it on and off to try to "jump 
start it" or you may blow up the boards and I am sure there is no 
return....

Long live the VFX!!! Best MIDI controller in it's day and still today.

Dan


--- In Ensoniq-VFX-SD@yahoogroups.com, "Hans Artmann" <hans-
artmann@t...> wrote:
> Dorothy,
> You might want to download the file power.zip from
> http://launch.groups.yahoo.com/group/Ensoniq-VFX-
SD/files/Tools/Schemati
> cs/
> There are some diodes CR1 to CR8 follwing the fuses. I can remember 
that
> I had a dead display because one of the fuses was blown (I can't
> remember which one it was). So it could well be one of these diodes.
> Check the voltages given in the schematics to find out which 
circuit's
> wrong.
> 
> The power supply hasn't changed very much from the vanilla VFX to 
the
> SD.
> 
> I hope this helps,
> Hans
> 
> -----Ursprüngliche Nachricht-----
> Von: paixwool [mailto:snowberry@c...] 
> Gesendet: Freitag, 25. März 2005 21:25
> An: Ensoniq-VFX-SD@yahoogroups.com
> Betreff: [Ensoniq-VFX-SD] A question for Richard
> 
> 
> 
> 
> Hi there,  In an earlier post you mentioned a diode replacement on 
> the power supply board to correct the problem of the display not 
> activating. I think I killed this diode by starting up when it was 
> still very cold!  Anyway, I have opened it up and checked 
everything 
> on that board; everything is labeled, but only found C1, C2, C3, 
C5, 
> R5, and R6 suspect by using a volt meter.  So where is the diode?  
> Those items sound like capacitors and resistors. Help please! 
Dorothy
> 
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