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Old 12-23-2013, 08:44 PM
Maskinrum Maskinrum is offline
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Join Date: Dec 2013
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Default E-mu Systems Emulator.

I am considering installing a UMR2 in my old but trustworthy Emulator.

I am talking about the first model from 1981 with no velocity and an awful 49 key Pratt & Read keyboard :-).

I am pretty sure it is possible but have no idea how to start doing this.

I have uploaded the schematics for the Emulator and believe the solution is to be found on page 9 of 36.

Sorry about the 15mb download - I couldn't get it to be any smaller :-(

ANY help would be appreciated.

B.t.w. I am ONLY looking for a MIDI In.

It is here:
http://www.theEMUs.com/documentation...schematics.pdf

Have a merry christmas !

Kenneth Abildgaard
www.maskinrum.com
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Old 01-09-2014, 08:50 PM
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John John is offline
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Quote:
Originally Posted by Maskinrum View Post
I am considering installing a UMR2 in my old but trustworthy Emulator.

I am talking about the first model from 1981 with no velocity and an awful 49 key Pratt & Read keyboard :-).

I am pretty sure it is possible but have no idea how to start doing this.

I have uploaded the schematics for the Emulator and believe the solution is to be found on page 9 of 36.

Sorry about the 15mb download - I couldn't get it to be any smaller :-(

ANY help would be appreciated.

B.t.w. I am ONLY looking for a MIDI In.

It is here:
http://www.theEMUs.com/documentation...schematics.pdf

Have a merry christmas !

Kenneth Abildgaard
www.maskinrum.com
Hi Kenneth,

Welcome to the forum. A belated Merry Christmas and happy new year to you.

First, I would put a scope on the Yn outputs of the 4028 to confirm the voltage levels. You will want 0 to 5V with respect to ground.

Same for the data lines D0-D7.

You can see how the UMR2 is wired to a switch matrix here:

http://forum.highlyliquid.com/showthread.php?t=1133

You'll also want to take a look at the UMR2 user manual (available on the product page).

Let me know what specific questions you have, and I will be glad to continue the conversation.
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