CPU battery and socket parts

The CPU board takes a CR2430 3 V-class lithium coin cell, 24 mm by 3 mm (BR2325/1HG as an alternative), best fitted in a solder-in 24 mm holder. A pack of two AA cells can be used instead.

Systems

• Gottlieb System 3

Related tips

• Fitting a CR2430 socket on the CPU board
• "Control board error, Low battery or Bad U3 or U6"
• Using a remote two-AA battery pack
• Battery reads 3 V but the game says it's low
• Getting past the low battery message
• Lithium battery leak damaging the CPU board
• Battery error stays after a new battery
• Constant beeping, display blank, GI on

Source: Repairing Gottlieb System 3 Electronic Pinball Games from 1989 to 1996, Clay Harrell (pinrepair.com)