Continued from Part One. Next step in the repair was to either replace or repair the 4023 filter. I wasn’t actually sure if it was broken or not, but thought it would be worth replacing the chips and capacitors anyway. On reviewing the schematics for board C, I confirmed that the high output line had…
Tag: Synthesizers
Arp Odyssey Repair – Part One
Many years ago, I had repaired a few synthesizers for Bon Harris of Nitzer Ebb. Being a huge fan of theirs I took the opportunity to do the best I could and managed to fully repair a few of them. I managed to repair a very broken EDP Wasp (still my favorite synthesizer), Sequential Circuits…
Autodesk Eagle
I have been wanting to create my own PCBs for years. I tried many times to do this by etching my own, but with anything more complex than simple circuits, it requires a minimum of a two sided board. This requires a lot of work and planning to etch, which for me was not in…