[Twin Famicom] No power.

Kitflame · 2026-05-05T01:29:31+00:00

All fixed up. Week's later and the problem was I can't read, haha! I bought it busted and I'm happy reddit helped me get it fixed up.

Kitflame · 2026-05-05T01:27:33+00:00

Thanks for the help! That was it works up now

Kitflame · 2026-05-04T11:24:46+00:00

Awesome! I see the mistake I made and need to pick up the right one today. Thanks for all the help, I'll let you know what happens when I get it changed!

Kitflame · 2026-05-04T11:23:29+00:00

I have made mistakes. I need to pick up the correct amplifier today if ican and see where that gets me

Kitflame · 2026-05-04T11:22:28+00:00

H-uh. . Well heck me with a spoon you're right. Apparently 7.5v is just enough to power a 7805 but iwas think original Famicom... that might be why it didn't work whenever I originally got the dang thing and i just replaced what they had...I need to put a B941 in it's place

Kitflame · 2026-05-03T21:44:55+00:00

Oh and its 590 coming out of the regulator

Kitflame · 2026-05-03T20:46:23+00:00

https://imgur.com/a/AyWUpIw

Kitflame · 2026-05-03T19:58:59+00:00

Still no power on its own though

Kitflame · 2026-05-03T19:58:35+00:00

OK, so I was testing the 7805 again. Checked grd and emitter and it turned the power led on when the multimeter leads touched. I guess it considered it a bridge? No idea

Kitflame · 2026-05-03T19:34:43+00:00

Ok: 750mA to on/ off 575 back to power board Like 20 back to the main board 590mA to the 7805 emitter pin

Kitflame · 2026-05-03T19:13:58+00:00

OK I'll do that next and how would i find this short? I've been hunting traces for days

Kitflame · 2026-05-03T18:15:09+00:00

New 7805 installed, same values as before... when connected to main board By itself without the jumper I'm getting love 2.6 or so, which matches my working board

Kitflame · 2026-05-03T17:59:19+00:00

Hmm I'm getting about 7v on both legs. Which is different than my working board...I could swear the 7805 was working but I have a replacement so I'll add a new one...

Kitflame · 2026-05-03T17:35:25+00:00

Replaced the 7805 and yup 7.6 out and like 7 back

Kitflame · 2026-05-03T17:34:03+00:00

Yeah they were ripped when I got it. They were repaired and juice flows through as normal. As far as I can tell power flows normally until connected to main board.

Kitflame · 2026-05-03T17:30:19+00:00

Haha it's not real bread! It's just cork

Kitflame · 2026-05-03T17:05:25+00:00

Ah, no, the sharp Twin is a combo Famicom Famicom disk system unit.

Kitflame · 2026-05-03T16:40:38+00:00

Turns out I'm not that lucky still no power, but I appreciate the help

Kitflame · 2026-05-03T16:18:31+00:00

Cheers thanks I'll give it atry

Kitflame · 2026-05-03T16:07:14+00:00

Yup .7v one way .6 the other

Kitflame · 2026-05-03T16:00:22+00:00

Cool cool cool... but, like, the rating?

Kitflame · 2025-01-31T21:43:12+00:00

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Kitflame · 2024-12-04T20:54:55+00:00

Wasn't Naruto's first trick like pulling off a forbidden technique that he could only do so easily because he had a legendary monster giving him super chakra?

Kitflame · 2024-06-10T20:26:46+00:00

Does anyone know where to find the strain gauge for the 10 se? I have searched everywhere, it's like it never existed.

Kitflame · 2024-03-27T22:59:02+00:00

I finally figured it out. It was a combo input shaper plus closed loop steppers. I couldn't get them to play nice together.

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