Rochester, NY
Why do you have a battery and nvram?
Door does need to be open
Can you advance through the audits? Sometimes it seems like scrolling through to the end fixed things
(Topic ID: 239109)
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Laser Cue
Williams, 1984
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Quoted from djreddog:Didn’t check the voltage yet. But there is a toggle switch right above the battery. When I pressed the LCD display next to it shows the number 9, which corresponds to the sticker chart. Just don’t know where to go from here other than checking the voltage (tomorrow night). [quoted image]
Was the coin door closed? 
Quoted from djreddog:Yes. Now you have me second guessing, should the door he be open before pressing the diagnostic switch?
Open coil door before even turning the game on. Don't close it until you're in attract mode. The game can't write to the ram while the door is closed
Quoted from dothedoo:Hey I just took another look at your battery board. Why do you have a red jumper on the diode? The board should not have the jumper.
https://www.tntamusementsstore.com/wptnt/product/franks-famous-battery-board/
The diode is supposed to prevent the button cell from being charged when the game is on. I would remove the wire, replace the battery and see what happens.
Also, there is a procedure in the game manual to reset the memory. In audit mode, step to function 45 in the Player 1 display and press Advance. This should clear the memory and reset game to factory defaults.
Williams don't have rechargeable batteries.
Quoted from dothedoo:Correct.....and the lithium battery on the board is not rechargeable either. But the jumper makes it a rechargeable configuration, which is why it needs to be removed.
Except the Williams won't recharge it, since it doesn't recharge its batteries and already has a blocking diode on the board?
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