Friday, July 5, 2019

Repair : 1571 Power supply issues

When I bought my C128s I really wanted to get the floppy drive that was designed for it.  So I bought a 1571.  Like most retro gear it was sold as working, but there were . . . problems.

The drive would power up but not stay on once the disk was being accessed and it would reset.  The problem was obvious bad power supply.

Back to Google I go and I found the wonderful blog World of Jani with what I needed.

http://blog.worldofjani.com/?p=2131

I wasn't too keen on the original bare power supply or trying to fix it.  I wasn't able to get that model mentioned in Jani's blog either.  In the end I picked up another caged Mean Well power supply from RS components and set to work.

STOP . . . These voltages will, KILL YOU . . . STOP

I don't recommend doing this at all, mains voltage is really dangerous.
Get someone qualified to do it for you.

This is the unit I ended up ordering and installing :

https://au.rs-online.com/web/p/embedded-switch-mode-power-supplies-smps/6447073/?sra=pstk

Now I have a beautifully functional 1571.











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