T.O. 33AF-3-358-11/TM 11-6625-842-15
Section III
NAVAIR 16-30APM239-2
Paragraphs 3-30 to 3-34
3-30. Observe the following procedure in connecting the extender boards:
a.
Remove the printed board assembly to be tested from the receiver-transmitter chassis while
observing the orientation of the component side of the board assembly with respect to the chassis receptacle.
b.
Ascertain the reference designation of the printed board assembly to be tested.
c.
Choose the proper extender board to be used by matching the reference designation of the printed
board assembly and the nomenclature of the transponder set involved with the marking on the extender board
d.
Place the extender board in the chassis receptacle with the side of the board containing the appro-
priate marking facing the same direction as was the component side of the board. Make sure that the extender
board is fully seated in the chassis receptacle.
e.
Place the board assembly in the extender board receptacle. Make sure that the board assembly is
properly seated in the extender board. For instructions on testing the various printed boards, refer to the
applicable transponder technical manual.
3-31. ENERGIZING THE TEST SET.
3-32. When the proper interconnections and preliminary control settings have been made, the test set may be
energized by proceeding as follows:
Place the 6 AMP POWER circuit breaker to the ON position.
a.
With the METER SELECT switch in the AC position, adjust the AC CONTROL so that the meter
b.
indicates 115 volts.
c.
Place the METER SELECT switch in the DC position and adjust the DC CONTROL to obtain the
required voltage reading on the voltmeter. The test set is now energized. Tests should be performed in
accordance with the instructions contained in the applicable equipment technical manuals.
3-33. DE-ENERGIZING INSTRUCTIONS.
3-34. Upon completion of tests, the following steps should be taken to shut down the test set:
a.
Place the 6 AMP POWER circuit breaker to the OFF position.
Place all other controls to the settings listed in figure 3-6.
b.
c.
Disconnect all cables, adapters, extender boards, etc., and store accessory items in their proper
storage areas in the transit case.
3-11/3-12
