Gear / Technical Help > Pre's, A/D's and Processors

How to: UA5 digi mod

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Tye:

--- Quote from: AmbysShrink on August 25, 2004, 04:42:06 PM ---Just wanted to say that you have to REEEEAAAALLLY hack at the wire to break the continuity after R8.  I wound up just taking off that reisistor, which naturally breaks the circuit and works well.  Just thought I'd pass it along in case anyone else runs into trouble cutting the board.

--- End quote ---
FWIW
 I agree taking off the R8 resistor is the way to go unless you are looking into making the UA5 stock again. If so keep the R8 resistor in a safe place because that thing is tiny!!!

mark_ivan:
All the DIY links for the straight digimod appear to have dried up.

Anyone know of any current links?

Is the trace cut on the switchable option instructions the original digimod?

DigiGal:

--- Quote from: mark_ivan on November 29, 2009, 10:30:50 AM ---All the DIY links for the straight digimod appear to have dried up.

Anyone know of any current links?

Is the trace cut on the switchable option instructions the original digimod?

--- End quote ---

Remove or lift R8, then install a jumper wire as shown in this "Edirol UA-5 with standalone AD modification" link.

http://web.archive.org/web/20041119181343/http://he.fi/photo/ua5-dissection/modified/



Another how to link, it's missing one photo but reproduces David's write up.

http://web.archive.org/web/20040803135131/members.rogers.com/traderdave/audio/UA-5/Modifying+the+Edirol+UA-5.htm

MULETAPER:
you will need FINE pc wire to do the jumper.I used a pro-soldering station used glasses to veiw work.Removed the transistor from the board and jumped the wire according to directions. make sure your soldiering is very clean and perfect.Too much heat on the board will fry components so you have to be careful and understand what your doing.its a very simple MOD it took me abot 30 mins from start to finish checking my work as I went.I know there is a new mod somewhere that does not kill the USB input

DigiGal:
Wire-Wrapping wire works great for the jumper, available from your local Radio Shack.

http://www.radioshack.com/product/index.jsp?productId=2062640

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