Sinclair ZX80 / ZX81 / Z88 Forums

I have come across a few of these but haven’t ever refurb’d one. Not ridiculously rare but I wouldn’t change one other than any necessary repairs.

There are probably a few in here!

https://www.sinclairzxworld.com/viewtop ... f=8&t=3312

I had a +3 where if I plugged in my DIVMMC future and didn’t get it in exactly the right place it either wouldn’t boot or would give a garbled screen. The edge connector was cleaned.
I always assumed it was worn and therefore would only make contact and work in certain spots.

Bump.

Bump.

This arrived today:


Many thanks to http://www.fruitcake.plus.com/Sinclair/ ... erface.htm

I can finally get some use out of my 80. Even on my black and white portable the picture was pretty poor on RF.

Now all I need is time to figure it all out!

I have not had to go above 100pF to get hires working. So far they have worked on 47 to 100pF

Still available!

I always just email Mark directly about the chips. I don’t know if he lists them in his shop.

Anything goes well with battered cod if you add enough salt.

I just use one of these and a socket. I get them from Mark at RetroClinic:


You do need to ‘tune’ them with a capacitor for hires. There is a post somewhere about it.

Thanks for the kind words Moggy! To be honest at the moment with the eBay selling fees and tax it’s becoming more difficult to want to put the effort into refurbs. Especially when people regularly put offers in that don’t even cover the costs of the new parts let alone the original zeddy and the tim...