A place to discuss the ZX80's and ZX81's younger brother - the Sinclair ZX Spectrum
- Posts: 10
- Joined: Wed Jul 07, 2021 2:42 pm
Yes, you are right: original resistors values give the best image.
For RGB CSYNC I omitted R48, R49, C35 and changed R18 from 270 to 1K, that gives a CSYNC amplitude of 0.3V.