10-1. Applicability of Depot Overhaul|
The tests outlined in this section are designed to measure the perfomance capability of repaired equipment. Equipment that is to be teturnend to stock should meet standards given tests.
10-2. Applicable References
10-3. Test Facilities Required
Repair Standards. Applicable procedures of depots performing these tests and the general standards for repaired electronic equipment given in TB SIG 355-2, and TB SIG 355-3 form a part of the reqyuirements for testing this equipmenr.
Modification Wirk Orders. Perform all modification Work Orders applicable to this equipment before making the tests specidied. DA Pam 310-7 lists all available MWO's.
The following equipment or suitable equivalents will be used in determining compliance with the requirements of this specific standar.
Test Equipment. Spectrum Analyzer AN/URM-134A (spectrum analyzer) is the only test equipment required.
|Electrical Dummy Load DA-75/U||Dummy load|
|Power supply PP-4151/FRC-93||PowerSupply|
|Radio Set Control C-6118/FRC-93.||RadiosetControl|
|Shielded cables with RCA phono plug on each end (W1,W2)(CPN 426-2027-00)a||Cable||
aLength of cable is not critical.
RG-58C/U coaxial cable with RCA phono plug on each end (W3)(FSN 6145-542-6092)a.
RG-8/U coaxial cable with type N connectors, UG-21D/U
Two-wire shielded cable with one PJ-068 connector on one end and three binding post type terminals on other end (W7)a.
Two-wire cable with RCA phono plug connectors (W8, W9)a
High Impedance Probe PRB-2 (supplied with spectrum analyzer).
|High impe dance probe|
60-db attenuator head (supplied with spectrum analyzer)
Probe test points: straight, hooked, or alligator clip (supplied with spectrum analyzer).
|Probe test points|
10.4 General Test Requirements
Tests will be initiated under the conditions listed below and as shown in figure 10-1. The following tests will be simplified if the connections listed below are made initially and modifications are made as required for the individual tests
Set the spectrum analyzer front panel controls as listed in table 10-1: