Quantcast Table 5-1. Troubleshooting Procedures - continued - TM-5-6350-264-14-P-30030

 

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Table 5-1. Troubleshooting Procedures - continued - TM-5-6350-264-14-P-30029
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TM-5-6350-264-14-P-3 Receiver Passive Signal Ultrasonic R-1860/FSS-9(V) Processor Passive Signal Ultrasonic TMX-9442/FSS-9(V) Manual
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Table 5-1. Troubleshooting Procedures - continued - TM-5-6350-264-14-P-30031
TM 5-6350-264-14&P-3
NAVELEX EE 181-AA-OMI-040/E121 R1860 M9443
TO 31S9-2FSS9-1-3
Table 5-1. Troubleshooting Procedures - Continued
Trouble
Probable cause
Corrective action
2. (cont)
d. (cont)
(5).
To replace the PC board, orient
the board so that terminal strip
TB1 is adjacent to the conduit
connections. Secure the PC
board to the housing with  screws.
Attach the wires to
TB1.
(6).
Adjust the gain control per steps
in TM 5-6350-2641/1.
NOTE
Probable cause
applies only if
the Ultrasonic
Motion Sensor
and the Passive
Ultrasonic Sen-
sor are operated
together.
e. No SYNC pulse
a. Set oscilloscope as follows:
from the
volts/division@0.5v
time/division@50 sec
J-SIIDS
Ultrasonic
trigger level@auto
Motion Sense
and connect leads to TB2-7 and
(TM 5-6350-
TB2-8. The scope should display
264-14/2 & P
the SYNC pulse as a sawtooth
to the notch
pattern of 1.5 to 10 v p-p and
filter in the
approximately 26.3 kHz.
Processor.
b. If the SYNC pulse signal is not correct,
disconnect wired from TB2-7 and
TB2-8. Connect 0-scope leads to
these wire and check the signal on
the
wires.
(1) If the signal, as displayed on the 0-
scope, is not correct on these
wires, refer to TM 5-6350-264-14/2
& P on J-SIIDS Ultrasonic Motion
Sensor.
(2) If the signal at the Ultrasonic Motion
Sensor is correct, check
interconnection wires for open
circuits or shorts-to-ground.
5-12

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