[sdiy] Dead MC-202

[Jimmy .]

Sounds familiar.. I already replaced the CEM3340 when I first got it.  This 
MC-202 has been a big hassle.  I'm thinking off scraping the digital section 
and patching out the synth portionm - modular style.

>From: Doug Terrebonne <dougt55 at yahoo.com>
>To: synth-diy at dropmix.xs4all.nl
>Subject: Re: [sdiy] Dead MC-202
>Date: Sat, 21 May 2005 21:35:11 -0700 (PDT)
>
>I had a similar problem with a 202 recently but in my case the digital
>part (sequencer) worked but the analog (synth) part was dead... Turned
>out to be the CEM3340 was shorting the neg supply to ground inside the
>chip! First time I'd seen that kind of failure in a Curtis chip...
>
>Doug
>
>--- "Jimmy ." <omgemag at hotmail.com> wrote:
>
> > So I pulled my MC-202 out of the closet for a track and was dismayed
> > to find
> > it not working.  When I power it up, the LFO rate LED blinks and
> > changes
> > properly when the LFO slider moves, but the LCD display is blank and
> > the
> > synth makes no sound.
> >
> > I have a feeling the analog section is just fine and something has
> > crapped
> > out in the digital sequencer portion.  Any ideas on what could be
> > wrong?
> >
> > Jimmy
> >
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>

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