Saturday, September 11, 2010
Well I finally have something to put into the, and stuff category. I recently acquired a 1979 Atari asteroids arcade machine. The machine was in overall good condition, the cabinet needed some small repairs, and it needed new locks and keys. There was just one small problem the monitor in this machine was very dim even with the contrast and brightness turned all the way up. I have never worked on a monitor before but I am good with electronics so I figured I would give it a shot and repair this monitor. After carefully removing the monitor and discharging the picture tube I removed the High Voltage cage and found a huge problem, the High Voltage Rectifier Diode was completely blown away from the flyback. Well this will need to be rectified, pun intended. I found the diode that I needed a H1809 at http://www.arcadechips.com and placed an order for one. Will I was at it I also sprung for a capacitor kit for the monitor, the game PCB board and a new BIG Blue Capacitor for the Atari power supply from The Real Bob Roberts. After installing all of these parts this machine works flawlessly and the picture is crisp and bright. For some reason I did not take a lot of pictures but I will put up some of the ones that I did take. This was a fun little project, and very rewarding.
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