Service Manuals and Schematics!

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Re: Service Manuals and Schematics!

Postby Mooger5 » Fri Apr 21, 2017 8:00 pm

The LEDs in the second column of my BCR2000 are misbehaving. Looking for schematics.

Edit - Solved! Bad shift registers were the cause. Still looking for schematics, though. :)
Last edited by Mooger5 on Tue Apr 25, 2017 7:58 pm, edited 1 time in total.
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Re: Service Manuals and Schematics!

Postby Rasputin » Sun Apr 23, 2017 8:34 pm

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Re: Service Manuals and Schematics!

Postby Mooger5 » Tue Apr 25, 2017 8:03 pm

Here´s thousands of manuals of synths and more for free: http://manualmachine.com/
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Re: Service Manuals and Schematics!

Postby romain » Mon Jul 17, 2017 10:07 pm

Rasputin wrote:Here's another quite hard to find:

Yamaha FS1R Service Manual including Schematics...
https://drive.google.com/open?id=0B5VDu ... ktwcENNREk


Many thanks for that :)

I have now a little hope to heal my FS1R... :cry:
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Re: Service Manuals and Schematics!

Postby Lozzy_uk » Sun Jul 30, 2017 3:37 pm

Rasputin wrote:Ensoniq VFX, VFX-SD, SD-1:

Service Manual
https://drive.google.com/open?id=0B44NK ... WRGdjhickk

Ensoniq - Service Bulletin #13 (keyboard problems)
https://drive.google.com/open?id=0B44NK ... TN4akNNWkE

Schematics
https://drive.google.com/open?id=0B44NK ... DQtUF9JYWs

These are pretty hard to come by, so I'd archive them while they're available.


Wow, thanks so much for that info. As you say, pretty hard to come by...although sadly there's no schematic for the display board in amongst that lot. I was hoping to lookup the vol & data slider pot values in order to replace mine, unless I missed it??
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Re: Service Manuals and Schematics!

Postby Rasputin » Sun Jul 30, 2017 6:56 pm

Lozzy_uk wrote:I was hoping to lookup the vol & data slider pot values in order to replace mine, unless I missed it??


As far as I can remember, it should be a 10k linear (sometimes called type 'B') slide potentiometer. Should be 60mm long with a 15mm shaft and 45mm travel. The Volume and Data pots should be the same.

But it's simple enough to double-check all this yourself. Not really something needing schematics, a ruler and multimeter would suffice.
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Re: Service Manuals and Schematics!

Postby Lozzy_uk » Sun Jul 30, 2017 8:30 pm

Rasputin wrote:As far as I can remember, it should be a 10k linear (sometimes called type 'B') slide potentiometer. Should be 60mm long with a 15mm shaft and 45mm travel. The Volume and Data pots should be the same.

But it's simple enough to double-check all this yourself. Not really something needing schematics, a ruler and multimeter would suffice.


Yea, the ruler bit I can do, but measuring in circuit gives 3k so it has to come out for that, and I'd rather not until the new one's ready to go in. Hence the question. But if you say 10k lin, sounds probably right to me based on my measurement.

Thanks for the help, I really appreciate it
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Re: Service Manuals and Schematics!

Postby ʝɵʝɵ » Fri Oct 06, 2017 9:13 pm

Anyone got the Kurzweil K2500 service manual? It's on Scribd but I don't see why I should be paying for downloading a document that doesn't even belong to them.
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Re: Service Manuals and Schematics!

Postby Rasputin » Thu Oct 19, 2017 11:27 pm

ʝɵʝɵ wrote:Anyone got the Kurzweil K2500 service manual? It's on Scribd but I don't see why I should be paying for downloading a document that doesn't even belong to them.


Amen, JoJo. Fly free vintage audio information! Here it is, complete with schematics:

https://drive.google.com/open?id=0B3OQk ... TAyRUR5VW8

Hope it gets you where you're going.
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Re: Service Manuals and Schematics!

Postby ʝɵʝɵ » Fri Oct 20, 2017 9:49 pm

Thanks a bunch Rasputin!
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Re: Service Manuals and Schematics!

Postby czery » Thu Mar 15, 2018 4:07 pm

Does anyone have the schematic / service manual for the original E-Mu Proteus 1 / 2 sound module? I've done a comprehensive search on all the links posted in this thread already and I haven't been able to find it (and yes, I've also scoured the web before coming here). I guess there's not much interest in this kind of "obsolete" sampler technology.

Any help would be much appreciated! :D
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Re: Service Manuals and Schematics!

Postby Rasputin » Fri Mar 16, 2018 2:26 am

czery wrote:Does anyone have the schematic / service manual for the original E-Mu Proteus 1 / 2 sound module? I guess there's not much interest in this kind of "obsolete" sampler technology.


http://www.musicparts.com/products.asp?Company=E-Mu

The good news is it exists. The bad news is that it's not "in the wild", so to speak. I tried to organize a group buy for items like this, but... well, you know.
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Re: Service Manuals and Schematics!

Postby Rasputin » Fri Mar 16, 2018 2:20 pm

Here are two more rare ones. One has been requested a lot but never fulfilled even though other people have it, so...

Yamaha Portasound PS-1, PS-2, and PS-3 (PS1/PS2/PS3) service manual / schematics:
https://drive.google.com/open?id=1oYrbG ... -8JzF8o9pf

Oberheim DPX-1 (DPX1) service manual / schematics:
https://drive.google.com/open?id=1p4LAA ... Cs0764DHQp

The Oberheim one could use a rescan as it's marginal quality, but it's not crippled with password protection or watermarked with ad-spam like some of the usual suspects -- you know the ones I mean. So you can thank me for that.
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Re: Service Manuals and Schematics!

Postby czery » Sat Mar 17, 2018 2:40 am

Rasputin wrote:
czery wrote:Does anyone have the schematic / service manual for the original E-Mu Proteus 1 / 2 sound module? I guess there's not much interest in this kind of "obsolete" sampler technology.


http://www.musicparts.com/products.asp?Company=E-Mu

The good news is it exists. The bad news is that it's not "in the wild", so to speak. I tried to organize a group buy for items like this, but... well, you know.


I see. Fortunately, I was able to diagnose my problem with a little reverse engineering. Thanks for all your efforts to archiving these vintage manuals (and your generous attempt to purchase this book on behalf of the public good).

That being said, I am extremely disappointed how a few individuals have decided to not only withhold said information and even put up pay-walls to access information to what I think should be made publicly available. In the case of the Proteus 1 - E-mu is no longer servicing these synths and I doubt E-mu has any important intellectual property vested in the operation of its obsolete 80s sampling technology. I cannot find a good reason for such a service manual to be withheld.
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Re: Service Manuals and Schematics!

Postby Rasputin » Sat Mar 17, 2018 1:44 pm

czery wrote:That being said, I am extremely disappointed how a few individuals have decided to not only withhold said information and even put up pay-walls to access information to what I think should be made publicly available. In the case of the Proteus 1 - E-mu is no longer servicing these synths and I doubt E-mu has any important intellectual property vested in the operation of its obsolete 80s sampling technology. I cannot find a good reason for such a service manual to be withheld.


On one hand, I get that it takes money and effort to obtain the service manual and scan it in (been there, done that, got the t-shirt), but on the other hand, it's not as if anyone has a right to sell PDFs or even photocopies of these. It's extra laughable that people are trying to sell PDFs that are less than 100 DPI and barely legible for like $35.

The upside is that people should have no qualms about re-distributing any of those items as no one selling them has a leg to stand on. Now, someone like Syntaur that bought the distribution license for some of this old stuff is a different story, but people charging significant prices for firmware binaries and PDFs is a little #-o

And then there are the jokers trying to sell copies of Emulator X3 and the libraries as digital only products while not quite claiming legitimacy, but surely posturing as such. :roll:
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