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Figure 7-2. Modification of signal processor circuit board.
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TM-5-6350-262-14-1 Processor Ultrasonic Motion Signal MX-9444( )/FSS-9(V) FSN 6350-228-2581Transceiver Ultrasonic Motion Signal Manual
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CHAPTER 8 GENERAL SUPPORT MAINTENANCE INSTRUCTIONS - TM-5-6350-262-14-10040
TM 5-6350-262-14/1
NAVELEX 0967-LP-466-9012
TO 31S9-4-36-1 Chg 2
Section V. DIRECT SUPPORT (INTERMEDIATE) TEST PROCEDURE
7-12. Performance Test Procedures
7-11. General
Chart  7-2  establishes  the  minimum  performance
These testing procedures are prepared for use by
standards  required  for  the  determination  of  the
electronic field maintenance shops and electronic
serviceability of assemblies maintained at the Direct
service organizations responsible for Direct Support
Support (intermediate) category of maintenance.
(intermediate) maintenance of electronic equipment.
These procedures set forth the specific requirements
that repaired electronic equipment must meet before it
NOTE
is returned to the using organizations.
When
performing
the
procedures
disconnect all test equipment at the
completion  of  each  step  with  the
exception of the power supply. Set the
power supply to off when connecting and
disconnecting test setups.
CHART 7-2. Processor/Transceiver Ultrasonic Motion Signal Performance Test Procedures.
Step #
Test Equipment
Test Procedure
Performance Standard
NOTE
Interconnect the transceiver and the pro-
cessor. Set up the equipment in a large
room (at least 20 x 40 feet) with the
transceiver pointed along the maximum
dimension of the room. Set the RANGE
control to 10.
1.
Power Supply
Connect the positive lead to terminal 7 of TB1
Set for 20 Vdc.
and negative to terminal 8 of TB1 in the
processor.
2.
Multimeter as a
Connect between terminals 1 and 2 of TB1 in
Multimeter shall read 110 ohms for a
continuity check
the processor. Walk test the system.
no alarm condition. Multimeter shall
Starting at a distance greater than 40 feet
read greater than 100K for an alarm
and walk toward the transceiver along the
condition.
Boresight line. A speed of approximately
System shall alarm for target motion
1 foot per second is sufficient. Observe
at 355 feet along boresight line.
the multimeter and note the target
location at which time the system alarms.
3.
Multimeter
Connect as continuity measurement between
a The tamper switch shall open
terminals 5 and 6 of TB1 for the transceiver.
(infinity indication) with no less than
1/8 inch or more than inch cover
displacement.
b. Pull the tamper switch plunger out
and verify that continuity is restored
(near zero resistance).
c. Replace cover and verify that
continuity is again obtained (near
zero resistance).
4.
Multimeter
Repeat 3 above for the processor.
Same as 3 above.
Change 2 7-8.1

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