Specifications

SQ: 6-6
RS3: Service Quick Reference Guide
ControlFiles
ControlFile Power Regulator 5 VDC Only 1984 -3505-000x............
ControlFile Power Regulator 5 VDC Only Parts Replacement
Part No.
Replaces Characteristics
1984--3505--000x
1984--1505--000x
1984--1432--000x
Replaces these cards ONLY in ControlFiles
that use NVRAM and MPC Processors.
ControlFile Power Regulator 5 VDC Only LEDs and Test Points
LED
Meaning and Response
+5 V POWER
CHARGE
(DS10)
Input capacitors are charging as you insert the card with card cage
power on.
Slowly insert the card into the ControlFile Motherboard connector
(the LED will blink on briefly).
INPUT B STATUS
(DS9)
Bus B (24 V DC or 30 VDC) from the DC distribution system is
within operating tolerance.
Normally OFF If only one DC bus used.
INPUT A STATUS
(DS8)
Bus A (24 V DC or 30 VDC) from the DC distribution system is
within operating tolerance.
+5 V STATUS
(DS5)
The +5 VDC regulator is within operating tolerance.
CARD FAULT
(DS4)
The +5 VDC regulator section is out of operating tolerance.
Replace the card.
5 V FUSE BLOWN
(DS2)
Replace Fuse F2 (Power to the +5 VDC Power Regulator).
CARD GOOD
(DS1)
+5 VDC Supply is within operating tolerance.
Does not include status of the DC buses.
Test Point Function
BROWN Ground return
YELLOW +5 VDC Regulator
WHITE +5 V Relative current indication