Battlezone Oddities Part Deux

FrizzleFried

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Damnit... Battlezone is acting up a little... again.

First off...there is a minor "shake" that is happening to the "extra tanks" images pretty much constantly...and the score area as well from time to time. The rest of the image is stable. Not a big deal frankly... but I figured I'd mention it.

Now the bigger potential problem is that I just played and when I lost my final guy the usual high score music played then screen went ape shit... it showed like 8 extra men across the top right... the main "green" screen area was blank...but then showed 1/4 of the screen only...and the audio was making strange computer sounds... I power cycled and the attract came up as usual and the game plays as usual.

I suspect this is a power issue. What am I safe at running the mainboard voltage at? I ask because the mainboard seems to get about .2 volts more than the aux. board. I meter the mainboard at 5.05 and the aux board is at 4.85... I suspect this low voltage at the aux board is what caused the issue, but who knows. Can I run the mainboard at 5.2v to get the aux voltage up to 5v?
 
Try cleaning the connectors on the aux board really well and at the power supply. Oxidation of the connectors is a common problem that will cause voltage drops.

ken
 
> First off...there is a minor "shake" that is happening to the "extra tanks" images pretty much constantly...and the score area as well from time to time. The rest of the image is stable. Not a big deal frankly... but I figured I'd mention it.

Bingo -- I have this same issue.

It seems to be at its worst when there is sound playing and especially when the game is first powered on.
 
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