Sinclair ZX80 / ZX81 / Z88 Forums

Does this help?

I am currently in New Zealand, the ZX in question was almost certainly sold here in NZ at the time (but not %100 on that). It was picked up at an estate clearance and has not been used for some time. Quick search suggests its NTSC, but not really sure, since I have little knowledge on these PC's. We...

Hi Mark, hope this is clearer, thanks for your help. I have tried connecting to an old(ish) CRT telly with composite input but no joy even after a fine manual tune.

So guys, I was about to carry out the composite mod on my new acquired ZX Spec, having researched what to do. However, I am a little confused what to do, as there is a single wire (transparent plastic) coming from a transistor to the RF modulator thingy, that is not described in the mod tutorials. C...