Museum of the Game® & International Arcade Museum® Forums

I have a pac-man that I need to diagnose to figure out why I have a white screen and no sound. Looking at the board I can't figure out a way to use a logic probe or oscilloscope the parts under the two daughter cards. I need to look at the z80 pins to see if it is running. Short of flipping the board upside down... Ideas will be greatly appreciated.

Are there any informal repair log documents for a pac-man arcade?
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