Re: Zaxxon problem

Check the 5 volt supply (at the game board) to make sure it hasn't
wandered off of 5 volts.

Dustin Holden wrote:
> When I got this machine I noticed the third prong on
> the plug for the ground was missing. Today I replaced
> the two prong plug with a new three prong plug. For
> some reason, I'm not sure if the plug change is the
> cause of this, but I'm now getting some graphics
> problems.
>
> I've also installed the zaxxon high score/free play
> chip. I installed this a few days ago and it has
> played with it in place with no graphic problems
> previously. It allows for diagnostics as well. For
> all of the diagnostics it seems to be telling me
> everything is okay, but it doesn't seem like it.
>
> Okay, the symptoms are this: In attract mode and
> playing mode the same symptoms show up. Right before
> the first wall you encounter there should be black
> space but it is not. There is a black and purpleish
> traingle colored lattice where black should be. Also,
> the immediate moment you cross over the first wall all
> of the ground is messed up, except for missiles taking
> off and other active objects and things you can hit or
> shoot, which show up fine. Then when you leave the
> wall and go into space to fight planes in space there
> look to be no graphic errors. Then when you get to
> the next part of the zaxxon platform where you have to
> shoot to know what holes you can pass through, the
> ground looks perfectly fine and not messed up as it
> did on the first platform in the game.
>
> Do I need to re-program the eprom or something?
>
> One last thing, I tried using the two prong plug
> instead of the three prong plug to see if it would
> revert back to how it was and that didn't help.

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Received on Mon Jul 24 01:45:04 2006