Sinclair ZX80 / ZX81 / Z88 Forums

Hi everyone - I am trying to get back into the spectrum scene & during that late night ebay thing we have - I bought a part completed ZX Nuvo 48!! - Can anyone help me complete the project - Most of the components are on the board (The U57 smd needs to be surface mounted correctly, but I am sure I can do that) But I do not have any documentation as to what's missing (The Ay sound chip & Z80 I am assuming can come from a donor spectrum that I have) bust again I am not sure what else I need, like the am29f040/HM628128/28c64 chips that are missing - ANY help would be greatfully received
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Hello mabby

Welcome

I’ve moved your post into the ZX Spectrum hardware part of the forum.

You may want to introduce yourself in the Welcome Area.

As a new user, your first handful of posts will need to be approved, also if you edit a post. So please be patient.

Mark

Hi,

Are able to solder missing components? Do you have any experience with reading circuit diagrams? Do you have basic tools like a multimeter?

If you need any documentation you can contact @superfo, and he is registered on this forum. Don designed this board and he will be able to give you a hand.

Cheers,

You can get document from here.

https://onedrive.live.com/?id=E0ADBB58A ... 58ADB8D869

To make it works you need to program U2, U5, U59 which require programmers.

Thanks Superfo - I am learning bit by bit
Are you or anyone else on the board able to program these for me ?
and what do the other chips U3/U4/U56 do?

US3,4,56 are RAM

I now have USB blaster to program Altera but I am struggling (with linux) - doe not want to program - perhaps I will try win10 next
Isthere anyone out there that can program these chips for me?

Happy 2021,

Where are you based?

Aylesbury UK
You St Albans