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That is one nice looking board! I think using 2764-27512 is a good idea, and I'd like to expand on that by asking if it would be possible to include the 28/29F010/20 as they have basically the same pins as the 27512 save for the Vcc and the 4 extra pins. I think they would be even easier to find (I...

I may replace the 2732 layout with a 2764-27512 one, to make sourcing EPROMs easier.

Right - I think I've done it finally.

I have re-opened the store with a slightly reduced range of items. The PSU, Oojamaflip 2020, SuperSprite FM+, Lower Case Board, Pull-up board and the HD63C09E and SAM chips are available. How long the store remains open for depends on my continued recovery. https://www.dragonplus-electronics.co.uk/s...

Thanks - that may help a lot. I'll take a look tomorrow.

Oh, Rolf, if you could take a picture of the solder side with a bright light shining at the component side (with the components removed), I think we would be able to see most connections. Don't hate me :lol: Thanks, but I've got the underside done correctly. It's the remaining silver tracks on the ...

robcfg wrote: ↑Fri Jul 07, 2023 8:59 pm John, have you checked my X-Ray composite image of the PCB?

https://archive.worldofdragon.org/image ... e_View.jpg

Yes, but it can't see through components!

rolfmichelsen wrote: ↑Fri Jul 07, 2023 8:27 pm I'll take a look at this over the weekend. And, I'm now going to leave the cartridge disassembled for a few weeks...

-- Rolf

Thanks Rolf.

it definitely is a ram fault, i removed the ram and fitted dual wipe sockets and eventually got the normal screen but turned out the sockets were garbage and i and suffering to remove them and fit turned pin ones. i can feel the dragon wanting to breath fire once more getting close Generally speaki...

Great news. Well done!