Sinistar garbage on High score screen

Robot Ron 2

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Now that I have fixed the sound, on to the next problem! :) When the machine first boots, it has this garbage for text on the screen. What could cause this? The previous owner has installed a disc type pc battery on the main board to eliminate the AA batteries. In doing some research on Google, I found this as a fix for the problem...guess it didn't fix it!

Thank you in advance for any help!

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Power down and then pull the lithium battery for 5 minutes. Open the coin door. Then power up. You should have to press the advance button when the display shows the three reset messages. Or you can go through the setup screen and reset the high score table.

If that doesn't fix it, you probably have a bad CMOS RAM chip on the board.

ken
 
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