Posted By
TLC
on 2021-07-15
09:06:10
|  Re: Commodore 16: Black and white screen on Composite, color on the RF
@BSZ What makes this kind of inexplicable for me is, that he has no colour on separate luma-chroma either. Luma and chroma are mixed-in from the same signal sources for either cases. The difference is that both COMP out / and the internal (for-modulation) composite signal are derived using dedicated voltage dividers and coupling capacitors. I could well explain the lack of colour on COMP from some problem of the chroma coupling capacitor in the RF modulator, but not the fact that there's no valid colour on separate luma-chroma.
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