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Vacuum fluorescent driver pcb (c04839), Layout, Led indicators – Gasboy CFN Series Diagnostic Manual User Manual

Page 329: P2 - rs-422 communication from console, P3 - power supply input

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Customer Display

0021

11-3

VACUUM FLUORESCENT DRIVER PCB (C04839)

The VF driver PCB:

decodes and drives the VF display with the data received from the console VF driver PCB

provides diagnostic LED's to monitor communication from the console

Layout

LED Indicators

LED indicators are provided to allow you to monitor the
RS-422 communication between the customer display and
console.

P2 - RS-422 Communication from Console

P3 - Power Supply Input