OBERHEIM SYNTH

Interesting.   When I bought my Matrix 6R it didn't work.The problem turned out to be that one lead of one of those big caps 
had come un-soldered from the pc bd.   I just resoldered it and thatfixed it, but I haven't moved the unit around much since.  Maybeit wouldn't hold up on the road.
     From: "Jill Saphic jill_saphic@... [oberheim]" <oberheim@yahoogroups.com>
 To: oberheim@yahoogroups.com 
 Sent: Monday, March 23, 2015 12:06 AM
 Subject: Re: [oberheim] Do I need to recap my Matrix 6 power supply??
   
I was touring with mine when the same problem occurred.
The synth repair man I go to for my old gear replaced all of the caps,
including the 2 big BLUE ones on the power supply board by the transformer.
but the soldering job from the original Oberheim factory was off he said,
and he showed my the holes in the plastic circuit board where the wires from the caps
come through and get soldered had enlarged, and couldn't hold the connections
for long after being tossed around from gig to gig. 
* LUCKILY*,  he found me another power supply board on eBay, including the big BLUE caps,
(that look like "C" size batteries,) all in one piece and popped it in.
Everything was perfect after that.
just FYI...
--------------------------------------------
On Fri, 20/3/15, Bob Grieb bobgrieb@... [oberheim] <oberheim@yahoogroups.com> wrote:

 Subject: Re: [oberheim] Do I need to recap my Matrix 6 power supply??
 To: "oberheim@yahoogroups.com" <oberheim@yahoogroups.com>
 Date: Friday, 20 March, 2015, 7:54
 
 
  
 
 
 
  
 
 
    
      
      
      Also, I noticed that the display and voice bd use
 +5VA and the CPU uses+5VB, so
 probably you would want to focus on +5VA first.
    
 Bob
 
    
    From:
 "wbkennedy1@... [oberheim]"
 <oberheim@yahoogroups.com>
  To:
 oberheim@yahoogroups.com 
  Sent: Monday, March 16,
 2015 1:21 AM
  Subject: [oberheim] Do
 I need to recap my Matrix 6 power supply??
 
  
 
 
 
 
 
 
 
        
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 I've
 been having this problem with my Matrix 6 for a while where
 the screen flickers on and off and when I am playing the
 synth and this happens, the sound goes in and out too. Its
 been seeming to get a lot worse recently and I need to
 figure out a way to fix it! Im going on tour in a few weeks
 and this is my main synth on stage.. here is a video example
 of what is happening. Its kinda hard to tell that the sound
 is cutting in and out too when the screen flickers, but
 trust me, it does. And it is very annoying, especially
 during important parts of songs!
 oberheim matrix 6
 cutting out
  
  
  
      
    oberheim
 matrix 6 cutting out  This
 feature is not available right now. Please try again later.
      
  
 
 
 View on youtu.be
      
 
 Preview by Yahoo    
  
 
 It seems like a power supply issue,
 so what should i do next to fix it? I was thinking recapping
 the PS. Ive never done that to a synth, but I do lots of
 other electronic work so Im guessing it shouldnt be that
 hard if i get the right parts. Is there a way to tell for
 sure if the capacitors are bad or not?
 thank you for any help you can
 provide!!
 -William 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    
 
 
    
      
 
    
    
 
 
 
 #yiv1326978014 #yiv1326978014 --