Asteroids Deluxe Voltage Issue...

Bishopx

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Donor 2011
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I got my Asteroids Deluxe working night before last and went to play it last night. It worked for about 10 minutes...then....suddenly....

beeep beeep beeep BOOOP!

R3 is the error code in the book. RAM.

I would think that it would be RAM but I am suspecting the AR board. I tested the voltage out of the AR board and I'm getting 5.6vdc which, I'm told, is too high for the RAM on this board and is probably causing the chip to heat. I've ordered the 2114's but I still have an AR board issue.

The pot will not adjust the voltage enough. It will go from 5.7 down to 5.5 vdc. Any ideas other than the potentiometer?
 
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