TM9-4935-481-14-1
C3
Table 3-14. TTS Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
Table 3-14. TTS Performance Test-Continued
864
OAF
Adjust TRACKER RETICLE LIGHT control fully ccw.
STEP
UNIT PROCEDURE
CORRECTIVE ACTION
865
DMM
Observe a reading of -0.0100 to +O.O100 Vdc.
(57)
879
DMM
Observe a reading < +0.3000 Vdc.
Replace card 1A8, check 1A8 pins
866
TTS
Power switch to OFF.
39, 36, 34 and 37.
Trainer Signal Readout Test
880
MCP
SELECTOR A switch to B12.
881
MCP
DMM FUNCTION switch to VAC.
867
MCP
DMM LO switch to SYS GND.
882
DMM
Observe a reading of 0.0000 to 0.0050 Vac when the meter stabilizes.
868
MCP
SELECTOR A switch to C1.
(62)
869
PP
DMS switch to OFF.
870
MCP
Disconnect 1W2-P2 from J7 and connect 1W1-P3 to J7.
883
TTS
Momentarily depress TRAINER, TRIGGER pushbutton.
871
PP
DMS switch to ON. Momentarily actuate TEST START switch.
884
DMM
Observe a reading of 0.2200 to 0.3400 Vac when the meter stabilizes
.
TP
CAUTION
885
TTS
Momentarily actuate TEST START/STOP pushbutton and observe TESTING
Do not actuate DMS-D PPE TEST START switch while TTS POWER switch is ON.
lamp OFF.
872
TTS
POWER switch to ON.
(63)
873
TTS
MODE switch to TRAINER.
874
TTS
Momentarily actuate TEST START/STOP pushbutton.
886
TTS
POWER switch to OFF.
875
TTS
Observe TESTING lamp illuminates.
887
PP
MAIN POWER and DMS switches to OFF.
876
TTS
Momentarily depress TRAINER, TRIGGER pushbutton.
888
Disconnect and stow all cables and accessories.
877
DMM
Observe a reading > +4.075 Vdc.
Replace card 1A8, check 1A8 pins
39, 36, 34 and 37.
878
TTS
Momentarily depress TRAINER, TRIGGER pushbutton.
3-242.17