Question about screen banding (various)

My Spectrum +2 (connected via RF) - After about 10 minutes the image starts "banding" in a sort of angle especially on bright screens

My Super Famicom (connected via Gamecube RGB cable)- After 20-45 minutes it does the same as Speccy + all the time the screen although clear has high gain/contrast

My Atari ST (connected via RGB cable) - After about 5 minutes it does the same banding like the speccy and the sfc

In the case of the Super Famicom i've tried two different adapters (ac/dc) - If i switch it off for 1 minute the banding disappears.

Using the same TV I have no problems with my other consoles and computers.

CRT or LCD?

sputnik said:

CRT or LCD?

Click to expand...

I dont think it would make a difference, but CRT flat tube (circa 2001 model tv)

The fact that it happens after 'so many minutes' is strange but usually in my experience screen banding = non original cables. That along with humming.