Battery Clips & Testing | Defective tc5501p ?
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 […]
Projects
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 […]
The ‘mare continues..
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 […]
I bought a Casio CZ-1000..
I bought a Casio CZ-1000. Described as not-working. The seller described it as an “electric piano”.. Should be an easy fix. (famous last words?)
I bought an Amstrad NC100
I just bought this not-working Amstrad NC100.. Yes, I know it’s not analog, or musical. But it IS vintage. I’ve had these before. This one […]
Korg Delta Project – notice the difference?
See photo.The luminous stickers on the A# keys have gone. That’s because ALL the keys work! [ebay_search query=”korg delta”]
Korg Delta Project update: Tested OK
I now have the chip in the socket and the board back in the Delta. And it works!When I think about how much potential there […]