The flipper kicks up but drops while the button is still held.

Solid state flipper goes up but will not stay up

Cause: A blown hold fuse, dirty cabinet or EOS switches, or no 9 V AC hold voltage reaching the board.

Checks

• Check the hold fuse on the flipper board.
• Clean the cabinet and EOS switches with alcohol.
• The 9 V AC hold supply leaves power supply CN1 pins 11 and 10 and arrives at flipper board CN2 pins 6 and 7; check the 2-pin inline connector in that harness, which can pull apart when the head is lowered.

Fix

• Replace the fuse, clean the switches, or reconnect the hold harness.

Systems

• Data East CPU Version 1/2
• Data East CPU Version 3
• Data East/Sega CPU Version 3b

Games

• Adventures of Rocky and Bullwinkle and Friends
• Back to the Future
• Batman
• Batman Forever
• Baywatch
• Checkpoint
• Guns N' Roses
• Hook
• Jurassic Park
• Last Action Hero
• Lethal Weapon 3
• Mary Shelley's Frankenstein
• Maverick
• Phantom of the Opera
• Robocop
• Star Trek
• Star Wars
• Tales from the Crypt
• Teenage Mutant Ninja Turtles
• The Simpsons
• The Who's Tommy Pinball Wizard
• WWF Royal Rumble

Related tips

• Solid state flipper flutters when held
• Solid state flipper stays up only after the button is first pressed
• Solid state flipper does not work: fuses and fuse clips
• Solid state flipper has no power though fuses are good
• Solid state flipper very weak: power side has failed
• Flipper board LEDs show the cabinet buttons are seen
• Flippers die after being held a few seconds, then recover
• Lower flipper dead on Jurassic Park, Last Action Hero or Tales from the Crypt

Source: Repairing DataEast 1987 (Laser War) to Sega 1995 (Batman Forever), Part Two, Clay Harrell (pinrepair.com)