A group of lamps quits together: the pop bumper lamps, right slingshot lamps, eject hole lamp, a star rollover and most of the right-side general illumination. The controlled inserts still work and the sockets read no voltage.
Pop bumper, sling and right-side GI lamps all go out at once: blown GI fuse
Cause: The GI fuse for that string (the purple-white wire) had blown; it was missed on a first quick look.
Checks
- When a whole string of GI lamps is out, pull and meter each GI fuse out of its holder rather than checking by eye.
Fix
- Replace the blown GI fuse with the correct rating, then look for the short that blew it if it goes again.
Systems
Games
Related tips
- Right-side playfield GI out: a wire not seated in a new power board connector
- Half the backbox lamps and the lower displays dead: check the backbox fuses
- Game resets when the flippers are used: recap supply and renew MPU power connector
- Right chute lights flash once after power-up, then never again: bad lamp socket
- LED flashers glow or stay on: use bulbs in System 11 flasher sockets
- Blown high-voltage display fuse in the backbox
- Score displays weak, dim or dead with fuses good
- High-voltage fuse blows once the display connector is plugged back in
Source: Pinball Repair help group!! (Facebook group)