Swap a hot incandescent backbox lamp for fluorescent

Where a game has had its circular fluorescent backbox lamp replaced by an incandescent bulb, put a circular fluorescent back in: the incandescent bulb's heat can peel the paint off the translite.

Systems

• Bally 6803

Games

• Blackwater 100
• Strange Science

Related tips

• Insert lit all the time may be GI, not a stuck lamp
• The Solid State Relay board switches the backbox lamp
• Which 6803 games have a backbox fuse board
• Some feature lamps out after the backbox was lowered
• How the CPU keeps lamp phases in step
• Lamp tests: phases and single lamps
• Lamp driver SCRs on the CPU board
• How 6803 feature lamps share SCR drivers

Source: Repairing Bally 6803 Pinball Games from 1985 to 1989, Clay Harrell (pinrepair.com)