crwdns2933423:0crwdne2933423:0

crwdns2944351:0crwdnd2944351:0The simple Atari 1050 Disk Drive Conversion to DCcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0RodCastlercrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 RodCastler

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0
Introduction
***Background:***
The original 9V AC power supply bricks required for these drives are slowly vanishing from the surface of the planet. They are bulky and heavy, not easy to transport, and ever harder to find.
It's about time for a definitive conversion of your drive so it can operate with a more convenient, lightweight and readily available and/ standard 12V DC power supply of your choice.

***What is this modification about:***

It consists of simply adding two jumper wires that will disable both the rectifying circuit and the voltage doubler. This will allow the drive to work with 12v DC, while working safely within similar (even lower) voltage and temperature ranges.
***Why this mod:***
* This is a very simple mod in concept. But it will require a steady pulse on your end and a soldering station. I prefer to do this mod on the soldering side of the board, but I made this guide with a top-board approach so you don't have to disassemble any further than strictly necessary.
* It is easily reversible if you ever want to have your drive back to its factory settings.
* It allows your drive to work well within noise and temperature parameters. Your drive should work and be healthy for years.
* Other mods disable the power switch. With this mod the switch works just as intended.
* It is safe (''not foolproof though''): If you ever plug one of the old 9V AC power supply by accident, it may damage the voltage regulators (which are easy to find and replace), but the rest of your drive has little chances of being damaged. There is an option if you want protection against that scenario though. Read for more...
***About me:*** I am not an electronics professional, but I do have formal studies in electronics and I have repaired and tinkered with Atari gear for decades.