Re: Asteroids problem

This might be a poor connection between the motherboard and the edge
connector. If those pins are damaged you can get Common lines that are not
at the same voltage level. Does the board edge connector get warm or hot to
the touch after the game has been on a while (1 hour)? It should be
cool...if warm/hot then you should look at the edge connector on the board
and see if it looks at all toasted. You might have some restoration work
ahead of you here....

John :-#)#

At 05:17 PM 05/03/2002 +0000, Steve Coule wrote:
>Another newbie here, please be gentle!
>
>I have a problem with my asteroids upright cabinet. It works pretty much ok
>but it has an odd symptom.
>
>Imagine the ship sitting in the middle of the display pointing straight up.
>When a single shot is fired the ship stays pretty much central but when the
>shot wraps from the top to the bottom of the screen, the ship is pulled
>towards the bottom by about 5mm. When the shot disappears the ship moves
>back to it's normal position!
>
>It's not the game board (tried loads and they work fine in my cocktail) and
>I have swapped out the deflection, PSU and HV units (G05-801) for other
>boards without any discernable improvement. I'm not sure how good the spares
>boards were but the problem appeared to be pretty much the same.
>
>I'm also getting varied brightness during gameplay.
>
>Is this likely to be a bad connection or high resistance wire somewhere in
>the loom?
>
>Anything obvious that I'm missing? Any ideas where to look apart from
>buzzing through the whole loom?
>
>Thanks,
>
>Steve
>
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Received on Tue Mar 5 10:15:45 2002