TM9-4935-481-14-1
C3
Table 3-14. TTS Performance Test-Continued
Table 3-14. TTS Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
IR Irradiance Test (Off-Ctr-Diode)
672
CIP
RUN/HOLD/OFF switch to OFF.
673
CT
Reconnect the 2 input cables to J14 and J16.
Boresight Mode_
655
TTS
MODE switch to BORESIGHT.
TTS Power Self Test
656
CIP
COUNTER INHIBIT(SEC) dial to 00.50.
657
PPE
Momentarily actuate TEST START switch (power on).
658
CIP
Observe INHIB lamp illuminated.
674
MCP
Disconnect 1W2-P2 from J7 and connect 1W1-P3 to J7.
659
RAD
FULL SCALE switch to 10-6.
675
PP
DMIS switch to ON. Momentarily actuate TEST START switch.
660
OAF
Adjust the OAF AZIMUTH and ELEVATION controls to obtain the
TP
DMM
676
TTS
MODE switch to SELF TEST.
highest Vac reading, as displayed on the DMM.
677
TTS
POWER switch to ON.
661
DMM
Observe a reading of 0.0131 to 0.1640 Vac.
CAUTION
(49)
Do not actuate DMS-D PPE TEST START switch
662
CIP
RUN/HOLD/OFF switch to HOLD.
while TTS POWER switch is ON.
663
CIP
COUNTER INHIBIT(SEC) dial to 19.01.
664
CIP
RUN/HOLD/OFF switch to RUN.
678
TTS
Wait until FULL CHARGE lamp illuminates.
665
CIP
Observe INHIB lamp illuminated.
(64)
666
DMM
Observe a reading of 0.0131 to 0.1640 Vac.
679
MCP
DMM LO switch to SEL B,
Replace card 1A8. Check 1A8 pins
680
MCP
SELECTOR A-switch to C4.
25 and 24.
681
MCP
SELECTOR B switch to C5.
667
MCP
DMM FUNCTION switch to VDC.
682
CIP
COUNTER INHIBIT(SEC) dial to 06.00.
668
PPE
Momentarily actuate TEST START switch (power off).
683
CIP
RUN/HOLD/OFF switch to RUN.
669
PP
DMS switch to OFF.
684
TTS
CHARGE switch to OFF.
670
RAD
Remove and stow the radiometer and associated cables and
685
TTS
Momentarily actuate TEST START/STOP pushbutton (power on).
accessories.
686
TTS
Observe TESTING lamp illuminated.
671
Remove 1W5 cable and reconnect OAF P1 to OAC 3J1. Connect 1W3P1
687
CIP
Observe INHIB lamp illuminated.
to 1W4P1.
687
CIP
Observe INHIB lamp illuminated.
3-240