Boss DR-55 Project
My Boss DR-55 is refusing to program. This project started as part of a news update- Click here.. Basically, I’m having to replace the 4011 chip.. to start with..
I have replaced the battery clip with one that doesn't have the pp3 clip on it, to save space. I unsoldered the old one, and soldered in the new one,...
So, The 4011 chip didn't fix it (although I have a 4011UBP on the way). I opened a thread about it here: I got some good advice and a...
Here's part 2 of the replacement of the 4011 chip. I bought a cheap (and very nasty) 29p 14-pin IC socket from Maplins, plus a CD4011Bp (not the correct UBP)...
So my DR-55 isn't working. It won't program at all. All I get is the hats. Based on previous experience with these machines, I'm going to start by replacing the...
I ordered a replacement battery holder for the DR-55. Firstly, it's too long. I can force it into place, but need pliers to get it back out. Not ideal. I'm...
Maybe this will help : Boss DR-55 Service Manual
I have opened a thread about this on the Music Electronics Forum: http://music-electronics-forum.com/t45560/#post472977
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