Author Topic: Donkey Kong. Jr power supply conversion  (Read 5334 times)

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fishookred

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Donkey Kong. Jr power supply conversion
« on: October 29, 2014, 11:30:24 am »
ok so after deciding against a jamma upgrade the next thing I wanted to do was replace the power supply center with a new switching psu. I was going to build something like this: http://www.therealbobroberts.net/accenter.html and add the Nintendo Iso I have. the original power supply is shot and doesn't work. the people over at klov seem to be adamantly against me building a drop in ac center. what is you're opinion? also why would a Nintendo board not "like" a switching power supply. its all good as long as it gets the same voltage right? I mean power is power isn't it?

Offline TheSunshineFund

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Re: Donkey Kong. Jr power supply conversion
« Reply #1 on: October 29, 2014, 11:45:25 am »
the Nintendo games that use -5V I believe I read on KLOV once that they had a ton of ECL logic chips that could potentially cause some issues, most likely you'd be fine I would think though.  Aside from being gnawed at on KLOV for using a switcher instead of the Nintendo supply...and TG might not recognize your WR  Kappa
« Last Edit: October 29, 2014, 11:47:53 am by pwnasaurus »
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fishookred

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Re: Donkey Kong. Jr power supply conversion
« Reply #2 on: October 29, 2014, 12:18:16 pm »
why the heck would having a different power supply affect how tg validates a record? its not like I can program some cheat to run off the PSU lol

Offline TheSunshineFund

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Re: Donkey Kong. Jr power supply conversion
« Reply #3 on: October 29, 2014, 12:31:27 pm »
http://www.twingalaxies.com/content.php/3027-Donkey-Kong-Arcade-Recording-Rules

Be warned, this is far more difficult to follow than a wiring diagram
In the summer that you came
There was something eating everyone
And the sunshine fund was low
We couldn't greet you with a simple hello
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fishookred

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Re: Donkey Kong. Jr power supply conversion
« Reply #4 on: October 30, 2014, 12:39:40 am »
Damn thats hard core lol

Offline Jonesy

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Re: Donkey Kong. Jr power supply conversion
« Reply #5 on: October 30, 2014, 05:00:28 am »
I use these in my Nintendo cabinets.

http://www.arcadeshop.com/pdf/Nintendo_Power_Supply_kit.pdf

It's a standard switcher that comes with a small pcb. The original loom plugs directly into the pcb, no need to hack the original loom etc. Just set your +5 up and a kill screen could be on!!?
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