After a long mental debate I decided to forgo the muriatic acid/peroxide homemade etchant route. Watching videos and considering all the precautions and risks involved, […]
Year: 2016
Making New PCBs III
So now I’ve got my TV Typewriter ‘artwork’ all finalized and I’m ready to try a transfer. I don’t have any special toner transfer paper […]
Making PCBs II
Have been at a bit of a standstill on etchant. They don’t sell the stuff anywhere in my town at all, so I have to […]
Making PCBs
Having totally missed out on an original set of TV Typewriter boards months ago, I had to proceed with Plan A, which was to make […]
RAM seals the deal!
After swapping, like, dozens of RAMs and not getting anywhere new and exciting, I’m wondering if anything else is amiss with my system. I look […]
Memory makes the difference
Okay so at this point we’ve got things moving along. At the suggestion of DG Guru Marty, I decided to reduce the number of potential […]
.. And Crystal Oscillators
Okay so here I am, still a novice when it comes to fixing vintage computers. I don’t have a scope or even a logic probe, so […]
Of I/O Cards…
There are three boards (not including the motherboard) that are required to have a functioning Digital Group system: the CPU board, the TV/Cassette Board, and […]
The Z80 Arrives
It took a long time to get to me, courtesy of Canada Customs, which just had to get their few bucks on a 40 year […]
Fixing up a Digital Group Z80
I have, at last count, about 100 vintage computers in my collection. Some are just PC clones and laptops, but the majority are non-PC, things […]