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SYSTEMSQUIRREL

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  1. Let’s not get all anal retentive and dramatic here the vast majority of transformer based ac adapters that I was refering to are only going to be at the most 1 amp which is within what a 7805 regulator with a heat sink is rated to handle. Perhaps you right however maybe you shouldn't push it too much over 500ma considering the heat sinks on a 2600 console are on the anemic side not to mention that in almost all cases these regulators are going to be running with the original dried up thermal compound.
  2. Yes cheaply made modern switch mode power supplies can cause this issue especially on AV modded systems. What you need is a old school transformer based power supply like this one https://console5.com/store/power-supply-adapter-for-atari-2600-and-atari-dedicated-systems.html If you’re capable of basic soldering you can also just use any old AC transformer you have kicking around that has a ouput of 9-12V DC and capable of supplying at least 500ma. You would just have to replace the tip with a 3.5mm 1/8 mono plug with the tip wired positive.
  3. Are you using a original power supply? If so it's not uncommon for the filter capacitors in the supply to fail which will cause graphical corruption.
  4. All of the currently available ones that I know of are junk. I once replaced the NiMH cells inside of a official MS pack once with these tabbed NiMH batteries. Outside of doing that using standard NiMH AA rechargeable batteries is currently the best option.
  5. Me and a friend were joking around talking about how it would be absolutely possible to bludgeon someone to death with a ColecoVision power supply which led to us joking about it being a murder weapon in the game Clue. So I whipped this up in Gimp for fun and though you guys might find it humorous.
  6. That’s a nice transformer, but there's a lot of overthinking going on here. You really could just use whatever 9-10V 850ma-1.2amp class 2 AC or DC linear transformer you can find. The NES like most consoles that originally came equipped with a AC transformer has a built in internal bridge rectifier. A bridge rectifier is a just four diodes that convert AC to DC. So since it has one it doesn’t rely on the power supply to already be rectified to DC. The only difference between a AC and DC linear Class 2 wall wart type transformer power supply is if it has a bridge rectifier included within it. So not only does the supply not have to be AC the polarity doesn’t matter either. Just never use a AC adapter on a console that expects DC then you're going to have a bad time.
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