Mr. Pinball Tip:

Some people want to hold the settings on their games but have a leaky battery. DON'T (as I have seen suggested) leave the power on while replacing the battery to hold settings! You can blow the MPU board by using a soldering iron on a powered up machine! Not to mention it's just plain dangerous. If you want to save your settings, you can use a set of jumpers to hold the new battery (charged) to a pair of clipped off resistor leads tack soldered to the board. The voltage needed is very low. You can even use a couple of "alligator clip jumpers" and a "AA" battery during the transition. This will hold power to the board while you solder a new battery in place with the power OFF.

Steve Bassett

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