There is no need to remove any board from the machine when using the Tester. It will work with the boards mounted in the machine or on a test bench when the board under test and is powered up for testing.
BALLY PINBALL MACHINE LAMP DRIVER BOARD AS-2518-14
Williams Pinball Machine lamp board socket 5 bulb A-14978
Williams Pinball Machine lamp board socket 6 bulb A-14846 pentagon
Williams Pinball Machine lamp board socket 5 bulb A-14848
Williams Pinball Machine lamp board socket 3 bulb
Data East Pinball Machine Phantom Of Opera lamp board socket circuit 04