Boss
Boss DR-55 Project: Fault Finding
So, The 4011 chip didn’t fix it (although I have a 4011UBP on the way). I opened a thread about it here: http://music-electronics-forum.com/t45560/#post472977 I got […]
Boss DR-55 4011 Chip replacement. Part 2: Installing IC Socket and new chip.
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 […]
Boss DR-55 4011 Chip replacement. Part 1: Removal
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 […]