AVtomitom’s blog

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Entries from 2022-01-01 to 1 year

SNES RGB MOD スーパーファミコンRGB出力最適化

Now, I would like to introduce the highest quality RGB output correction of Super Nintendo. 散々出尽くした感のあるテーマですみませんが、、、最高画質を攻めた改造を紹介します。

CRT control discrete circuit for 15kHz RGB modified F520 and G420 CRT display / 15kHz RGB改造ディスプレイ CRT制御マイコン代替回路

It is a replacement for micro computer. Please also refer to the service manual. Never apply excessive anode voltage or cathode current to the CRT, even during adjustment. A high voltage probe, oscilloscope, and experimental DC power suppl…

High-voltage control discrete circuit for 15kHz RGB modified F520 and G420 CRT display / 15kHz RGB改造ディスプレイ 高圧制御

It is a replacement for the horizontal amplitude control IC and the high voltage control IC. Please also refer to the service manual. Never apply excessive anode voltage or cathode current to the CRT, even during adjustment. A high voltage…

Premium NTSC S-VIDEO to RGB decorder 究極アナログテレビ製作記の始まり2

It is a circuit to connect S-video to the RGB display / monitor. Normally, the adjustment puts in a test pattern to flatten the level of the blue B signal, but what about the red and green signal demodulation? It is easy to process everyth…

Ultimate Y/C separator for NTSC 究極アナログテレビ製作記の始まり

Real-time Y / C separation does not cause dot-crawl. I made it for watching laser discs and playing Famicom. I will give you a video of how it works. S端子にコンポジットビデオを接続する回路です。リアルタイムにコンポジットビデオから同じ色成…