Repairs ⁽⁸⁾

It's been a while, it's been hectic. A lot has been going on in my life outside of the synth world, and in it. Work on the Quadrowave card has paused for a bit, due to other things, but it's still moving along. Here I've…

After swapping the dead -12V 2A fuse, I powered it up and everything stayed on for about 30 minutes. So I decided to attach the monitor, keyboard and alpha-numeric keyboard and see what happened and sure enough, we have life! Super exciting! Keep in mind…

Having swapped out the bridge rectifier for a high power one and used nice high grade thermal paste I was able to power up the PSU and sure enough, it worked, I can measure the voltages and the mains fuse does not blow. Awesome, I'm…

I finally decided I could no longer avoid removing the PSU from the case to check the capacitors, rectifiers and transformer. Now if you recall I had a problem with the scan of the service manual in that the colours of the wires were not…

I've been doing some more work on the Fairlight and trying to figure out what is causing the fuse to keep blowing. This time I've been hunting for the power supply, and it's an interesting hunt. First step is to remove the back panel, which…

So I decided to check a few of the PCBs, now this is a IIx so it should have voice cards with CEM3320 filters on, but no matter where I look I cannot find them. After a bit of digging, it seems the owner says…