Six-digit display board connector J1
Segment data a to h enters on J1 pins 7 to 14 and the six digit (grid) lines on pins 1 to 6. On the board a 10k resistor runs from the 60 V supply to the tube's grid discharge point (GD) to stop a charge building up around the grids and dimming the display.
Systems
Related tips
- Score and status display connector pins
- Score displays are off but the status display works
- One six-digit display completely dead
- Restoring brightness on 4, 6 and 7 digit display boards
- Seven-digit display board (A14) parts
- Missing segment on one or more score displays
- Missing digit on one or more score displays
- Displays never show the digit 1
Source: System 80 Service Manual, Gottlieb