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Home > Ordnance Documents and other related manuals > > Pass/ Faill Test Preparations
Visual Inspection. (cont)
Pass/Fail Test.

Troubleshooting ther AN/ GVS-5 Laser Observation Devise Test Set, TS-3620
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u. Inspect the printed circuit boards A2 and A3 (figure 1-11,
items  14  and  24)  for  mounting,  loose  connections,  burnt
insulation, and cracked or broken boards.
If a board is
faulty, refer to MAINTENANCE, step 3-22 for A2; step 3-23 for
A3.
If  only  the  mounting  bushings  are  faulty,  refer  to
MAINTENANCE, step 3-38.
Inspect for broken or frayed wires
and replace as required.
v. Check for the presence of the power supply board assembly A3
voltage label (figure 1-9, item 22).  If the label is missing
or cannot be read clearly, send the LR Test Set to the depot.
4.
Pass/Fail Test Preparations.
Once you have successfully completed the visual inspection, the LR
Test Set is ready for the pass/fail test.
In order to conduct the
pass/fail test, you will have to have available an operational Laser
Infrared Observation Device, AN/GVS-5 (LR).
Complete the following
test preparations prior to conducting the pass/fail test.
a. Perform an operational check of the LR.
Refer to TM 11-5860-
201-10.
b. Open the LR Test Set.
c. Remove  the  alignment  bracket
assembly,
the
AC
power
cable
assembly, and the ACA.
CAUTION
Be sure that the ON/TRIPPED OFF circuit breaker
is set to TRIPPED OFF and that the power supply
is set to off.
d. Connect the AC power cable assembly to the LR Test Set PWR
jack.  Connect the other end of the AC power cable assembly to
a 115 VAC, 0.5 ampere, 50-420 Hz electrical power source.  If
the  PWR  ON  indicator  lights,  replace  the  circuit  breaker.
Refer to MAINTENANCE, step 3-27.
e. Attach  the  alignment  bracket  assembly
to
the
LR
Test
Set
mounting post.  Refer to figure 1-21.
35
OD1716






Western Governors University

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