+eebuckeye Posted April 11, 2016 Share Posted April 11, 2016 I have a C64 that the colors do not seem correct. I adjusted the variable resistor to max and the color barely changes. What chip is the likely culprit? Thanks! Quote Link to comment Share on other sites More sharing options...
R.Cade Posted April 11, 2016 Share Posted April 11, 2016 (edited) Attach pictures... most likely it's the VIC-II or possibly the RF modulator (even if you aren't using RF, it still passes through it) but I haven't seen that problem before in 100's of them. That adjustment is not to change the colors, just the color subcarrier frequency. The colors are embedded in the VIC-II itself and can't be adjusted. Edited April 11, 2016 by R.Cade Quote Link to comment Share on other sites More sharing options...
+eebuckeye Posted April 12, 2016 Author Share Posted April 12, 2016 Well I realized that the video cable I was using has 8 pins (at least more than 5) so I assume it is a special Commodore cable for a better picture! I plugged in a standard 5 pin video cable and the colors are perfect.. :-) Ugh... I guess the only way to use the Commodore video cables are with a Commodore monitor? Quote Link to comment Share on other sites More sharing options...
tjlazer Posted April 12, 2016 Share Posted April 12, 2016 Yeah those cables are for a monitor that has chroma and Luma inputs Quote Link to comment Share on other sites More sharing options...
carlsson Posted April 12, 2016 Share Posted April 12, 2016 You could build an adapter that combines the Chroma and Luma plugs into four pin mini-DIN S-Video if you got one of those inputs. Quote Link to comment Share on other sites More sharing options...
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