[sdiy] arp ody problems part 2

[Tim J]

Hi guys.

I mailed the list a week or two ago with powersupply problems on an old 
odyssey.  Steve, Roy, and Dana thank you all for your suggestions.  The arp 
is back up and running.  Still having a couple of problems.  VCO 1 controls 
for course/fine dont seem to be responding (as well as the modulations).  
Also, there is no square wave output. The output is also very faint.  (so 
there is just a very soft saw drone)  Anyone want to venture a guess or 
suggest a place to start tinkering?

Thanks,
Tim



>From: Steve Jones <agenttriez at mac.com>
>To: Tim J <bob_aloha at hotmail.com>
>Subject: Re: [sdiy] arp ody Power supply or +/- 15v PS
>Date: Wed, 02 Jun 2004 14:27:33 -0700
>
>Almost certainly you have shorted or leaky tantalum capacitors on the power 
>supply board, or, more likely, on one of the main boards where the power 
>supply connector plugs onto each of the 3 boards there are 2 tantalum 
>filter caps next to the connector. This is epidemic with ARPs' and all 
>tantalums in the machine should be replaced.
>
>regards Steve.
>
>On Wednesday, June 02, 2004, at 01:16PM, Tim J <bob_aloha at hotmail.com> 
>wrote:
>
> >HI all,
> >
> >I'm not much of a tech but...my arp ody power supply is only putting out 
>+/-
> >5v.  I've checked all the resistors and they are ok.  Anyone have an idea
> >what causes a drop like this?
> >
> >Also, I was thinking of just a new powersupply for the little beast.  
>Anyone
> >know of any cheap powersupplies that would work?  It doesn't have to be
> >internal as I dont mind wiring it up.
> >Anyone know about how many amps the odyssey needs?
> >
> >
> >Thanks,
> >Tim
> >
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