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/vr/ - Retro Games

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>> No.3975294 [View]
File: 50 KB, 1024x534, tmp_17944-10314694688002677.jpg [View same] [iqdb] [saucenao] [google]
3975294

Is anyone here electrically savvy? I've been trying to build an RGB to YPbPr cord for my dreamcast for a few weeks now and I'm not getting anywhere.

Pic related is the schematic I've followed but currently all those resistors are trimpots. I just discovered that my ICL7660CPA is only putting out -1v instead of -5v and I have no idea why. I suspect this is why my picture is very purple and missing the near-black greys.

>> No.3931193 [View]
File: 50 KB, 1024x534, tmp_7132-10314694963413551.jpg [View same] [iqdb] [saucenao] [google]
3931193

>>3930838
Anyone have any recommendations for a general purpose RGB to component circuit? I'd like to integrate one into my Dreamcaat (15khz scart mode) and one into my N64 (after the rgb amp).

>> No.3930838 [View]
File: 50 KB, 1024x534, tmp_7132-103146941169234453.jpg [View same] [iqdb] [saucenao] [google]
3930838

Has anyone tried out this circuit to get YPbPr from an RGB console? Trying to get my Dreamcast to look good on a consumer grade CRT.
If it works well I'm gonna do a second one for my n64.

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