Specifications

SQ: 5-49
RS3: Service Quick Reference Guide
Consoles
Character Graphics Video Generator 1984-1064-0001................
Character Graphics Video Generator LEDs
LED
Meaning
DS1
(Green)
No faults are detected on the card. DS1 lights when the OI Processor
completes power up diagnostics.
DS2
(Red)
Card fault. DS2 lights if the Video Generator Card does not pass power
up diagnostics.
DS3
(Red)
Not used.
DS6
(Yellow)
Page 0 is active. Page 0 and page 1 store information for the CRT
display. Depending on the amount of screen information, either DS6 or
DS7 lights, or both DS6 and DS7 light.
DS7
(Yellow)
Page 1 is active. Page 0 and page 1 store information for the CRT
display. Depending on the amount of screen information, either DS6 or
DS7 lights, or both DS6 and DS7 light.
DS8
(Yellow)
Hardware alarm contact. The signal sent to light DS8 has also been
sent to open or close the hardware alarm contact.
DS9
(Yellow)
Process alarm contact. The signal sent to light DS9 has also been sent
to open or close the process alarm contact.
DS10
(Yellow)
Diagnostic routine is in progress during a power up procedure.
DS11
(Yellow)
Screen blank is active. On a normally functioning Character Graphics
Video Generator Card, DS11 shows a slight but constant flicker.
Character Graphics Video Generator Fuse
Fuse
Rosemount
Part No.
Bussman
Part No.
Littelfuse
Part No.
Characteristics
F1 G09140--0032 MDL--2 312002 2A 250 V slow blow