Meter checks on a display tube
Steps
- Work from the display schematic in the game manual.
- Segment, digit and filament pins should show no continuity to each other.
- The two filament pins should show continuity between themselves, and each digit's two pins likewise.
- Some pins are not connected.
Systems
Related tips
- Meter check of the display board 7432
- Replacing a display glass tube
- The display voltages to check
- Telling a bad display driver from a bad display tube
- How the Gottlieb fluorescent displays work
- Checking the +60 V filter caps on a display board
- How the System 80 fluorescent displays light
- Use the shared wiring to locate display faults
Source: Troubleshooting Gottlieb Displays (On Target technical newsletter, vol. 3 issue 7, 1982), Gottlieb "On Target"