Recent content by skidaddytn

I was checking for +5 at the controller PCB with the game up and running (right where the splits and goes to both sides of the PCB (the 2 pins in the middle of these 4 wire connectors are +5)... I heard the spark when my hand slipped and cause a momentary short... The game remained up...

I was trying to troubleshoot my Atari 720 joystick controller and accidentally shorted the +5V supply at the joystick controller PCB... my hands were not as steady as I thought they were when I was probing for voltages... The +5 supply still comes up fine, but the game no longer boots and I...

This just happened to me I think... I removed the 720 Dual coupler PCB, discovered a bad photo interrupter and replaced it with another nos part... It fixed the board cause I tested it on my desk 5v supply by running a business card thru the interrupter... both of them work... I put it back...

>I think people tend to be a tad bit too "old school" in their thinking. These monitors are getting old enough that more and more "typically don't fail" parts are now starting to fail. +1 to this... it is better to have the knowledge rather than using the shotgun repair approach which do not...

thanks for the reply! I was thinking more along the lines of getting a brand new LCD though because they are so much cheaper... I am seriously considering buying a new wide-screen LCD that barely fits in the case (width wise) and will allow me the option to display the 4:3 image in the...

Well... I've owned a 720 for 10 years or so, and the original monitor I was never able to fix after sinking around 100 bucks into capacitors, flyback, vertical and horizontal deflection transistors, and even a custom video IC... Several years back I threw the 25k5515 away... at the time I...