Re: fixing a newer g-05

I had some asteroids machines that had simular problems and all the
transistors tested OK, but when I replaced them, it fixed the problem.

-jeff

>I've got an Asteroids with a newer G-05, the kind w/o the big
>heatsinks. It has strange behavior. When an Asteroid or UFO is at the
>bottom of the screen, the asteroid is "unwrapped" and looks like a wavey
>line. As it moves up the screen, it forms into a circle. By the time it
>is at mid-screen, it looks right.
>
>This is not a logic board problem. I have swapped in two different
>working boards. I have also put the suspect logic board in a working
>game. All of these tests point at a monitor problem.
>
>So can someone give me some deflection board tips. I have tested all four
>of the major deflection transistors. One was bad and has been replaced.
>
>Thanks.
>
>Chris Cope

jeffh@diac.com

Buy/Sell/Trade classic video arcade games.
www.diac.com/~jeffh/
Received on Wed Jan 28 09:13:48 1998