Antwaan - Pieces Form The Whole/The Social Network Theme (Trent Reznor & Atticus Ross cover) YouTube via AntwaanMusic | October 22, 2010 - via @Antwaan
"First experiments with my new Buchla 200e system in combination with my Eurorack gear. Dual Maths going through Format Jumbler and some Vulcan Modulator thrown in for fun."
"Taking a voice chip out of a Roland Juno 106 and sticking it in acetone to strip the resin. I figured out that Chip 4 was bad in my unit. I've never done any kind of electronics before so this just shows you how easy it can be (with a healthy dose of patience and a steady hand).
First you should figure out what chip is bad. You can do this by powering on the unit while holding the key transpose button. Then hitting a key and watching the display cycle through numbers 1-6. If nothing plays on a number or the sound sustains on that number (hit different notes to hear it change pitch) then you know what chip it is.
There is a great video on youtube that shows you how to strip the resin off a chip and hopefully repair it. This is apparently due to overheating and conductivity due to the old resin.
Taking it out of the unit is pretty easy and you can search youtube for videos on how to open up the 106 and get the board out with the voice chips attached.
I have never done any electronics work before so I practiced on an old VCR for an hour. I learned how to take out components and solder them back in until I felt comfortable.
It helps if you have a few drinks before hand to steady your hand and nerves. Ok, probably not but it was Saturday and I'm all about the tequila on a Sat afternoon with nothing more to do than some trial electronics work.
In part 2 I'll figure out how to strip the resin and re-solder the chip back into the board and re-install into the 106 to test.
All credit where it's due just google 106 repair and you'll see the videos I watched to learn how to do this or look up
