I took some additional pics and posted to the same album. Looks like there is at least 1 leaky cap. Take a look at this photo:
http://launch.ph.groups.yahoo.com/group/emlsynth/photos/view/d021?b=6&m=f&o=0So, do you think I should just swap out all the caps on the PSU to be certain?
> -----Original Message-----
> From: sasha
> Sent: Tuesday, February 05, 2008 10:01 PM
> To: 'emlsynth@yahoogroups.com'
> Subject: RE: [emlsynth] EML 100
>
> Hi David,
>
> Thanks so much for your reply.
>
> I have tried plugging into all the outputs and get absolutely no sound.
> Do you think it's likely that the capacitors on the power supply are
> shot? That should be relatively easy to swap out. I just got done
> building one of those x0xb0x 303 clones so my soldering iron is begging
> for more work ;)
>
> My 100 has a blue panel. Another interesting bit about it is that there
> was a modification done to it. It has 5 additional 1/4" jacks and an
> additional knob. They are all positioned together to the left of the
> EML 100 logo on the panel. I am guessing it was not a factory mod since
> the jacks don't really line up perfectly. They are labeled:
>
> Knob - "input rate"
> 1/4 jack #1 - "Sampler Input"
> 1/4 jack #2 - "Sampler Trigger Rate-Ext Output"
> 1/4 jack #3 - "Trigger Output"
> 1/4 jack #4 - "Sampler Output"
> 1/4 jack #5 - No label on this jack
>
> I uploaded a couple of pics to the group page so you can get a better
> idea of what it looks like:
> http://launch.ph.groups.yahoo.com/group/emlsynth/photos/view/d021?b=1
> http://launch.ph.groups.yahoo.com/group/emlsynth/photos/view/d021?b=2&m
> =s&o=0
>
> If you would like additional close-ups of any particular sections,
> please let me know.
>
> Regarding the schematics. Are the 101 and 100 similar enough that the
> 101 schematics would be useful in repairing the 100?
>
> Thanks kindly, Sasha
>
>
>
> From: emlsynth@yahoogroups.com [mailto:emlsynth@yahoogroups.com] On
> Behalf Of David Cornutt
> Sent: Tuesday, February 05, 2008 9:32 PM
> To: emlsynth@yahoogroups.com
> Subject: Re: [emlsynth] EML 100
>
> >
> >
> > I was lucky enough to be handed a free EML 100 the other day. It
> > powers up, but I get no sound.
> >
> A no-sound-at-all problem may be something simple.
> Have you tried plugging directly into the VCO outputs?
> If none of them are working, the problem is almost certainly
> in the power supply. If they do work, work your way through
> the filter mixer, the filter, and then the VCA to see where
> the sound is getting stopped.
>
> >
> > Can someone recommend a good repair shop in the Bay Area for these
> > synths? Also, curious as to what the value of these are.
> >
> Can't help you with the repair shop, not living in that area.
> However, I can tell you this much: the 100 is a lot more rare
> than the 101. I'm not sure what kind of demand there is
> for the 100, but I see 101's going on eBay for $1500-1700.
>
> Out of curiosity, does your 100 have a blue panel or the
> grayish-white panel that the 101's have?
> >
> >
> > I have a decent understanding of circuits - are these simple enough
> to
> > troubleshoot on my own or should I leave it to the experts (assuming
> > they are still around!).
> >
> The 100 is pretty easy to get into. If it's like the 101, there are 5
> screws around the perimeter of the panel that hold it in. Remove
> those, and the entire panel comes out with all of the circuitry;
> nothing is mounted to the inside of the case. The circuit boards
> are pretty clean and easy to work on. The biggest problem you
> may have is that I'm not aware if there are schematics for the
> 100 still around anywhere.
>