[sdiy] Dead MC-202

[Doug Terrebonne]

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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