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Nintendo — AV Famicom

Nintendo AV Famicom (HVC-101) Recap, 7805 & Clean

September 11, 20252 threads~1 min read

Gray/blank screen on boot Cartridge slot oxidation

Recap Voltage-regulator swap

This Nintendo AV Famicom (HVC-101) arrived with a gray screen and a catastrophically oxidised cartridge slot. A good clean fixed the boot issue; a full recap and 7805 voltage regulator replacement took care of the rest.

Parts & Tools (2)

EverDrive N8 Pro (72-pin NES)

EverDrive N8 Pro by krikzz, the 72-pin NES flashcart, run on this 60-pin AV Famicom through a 72-to-60-pin cartridge adapter (the same setup used on the Sharp Twin Famicom). Used to run games during testing.

DeoxIT contact cleaner

DeoxIT by CAIG Laboratories, the go-to contact cleaner for oxidation on consoles, cartridges and connectors, used here on the oxidised cartridge slot.

hitmanmcc

September 11, 2025· Thread 1

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The AV Famicom that arrived yesterday wasn't booting up games. It would come up with a gray screen. I went for the easy cause first. So, I cleaned the cartridge slot and it worked. It turned out to have a massive amount of oxidation. #Nintendo #NES #Famicom #Castleva #RETROGAMING

hitmanmcc

September 11, 2025· Thread 2· 3 tweets

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1/3 Opened up the AV Famicom for maintenance. It was somewhat dusty, not too bad but, enough for it to mix with the deoxit I had sprayed yesterday and make a mess. #Nintendo #Famicom #restoration #RETROGAMING

2 / 3

2/3 Recapped and cleaned the board, couldn't match all the caps in physical size from what I have lying around but there's no clearance issues. Also cleaned the inside of the shell and the board after the recap. Reflowed the pins of the power jack too.

3 / 3

3/3 Finished it off with some #Castlevania.

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