TM 11-5826-225-35
Figure 22. Receiver test setup.
Position
Contion
particular stage, use the techniques outlined
RECEIVER
in paragraphs 26 through 28 to isolate the
trouble to a particular part.
CONTROL ________ RECEIVER
GONIO DRIVE . ..__. OFF
b. Use of Chart. The troubleshooting chart
DC POWER -------- ON
in this manual supplements the operational
(2) Control unit. Set the control unit con-
checks and troubleshooting instructions in-
trols as follows:
eluded in TM 115826-225-12. If operational
Position
Control
checks in TM 115826-22512 have resulted in
BFOOFF _ . . . . . . . . . . OFF
reference to a particular item of the chart,
Function switch . . . . ANT
start with this referenced item.
Range switch -------- 190-400
c. Conditions for Tests. All checks outlined
TUNE ------------ 200 kc
in the chart are to be conducted with the re-
GAIN . . . . . . . . . . . . ..- Maximum
ceiver connected to Test Set, Direction Finder
clockwise
Set AN/ARM93 as indicated in figure 22.
position
Unless otherwise indicated in the chart, set
the control unit, test set, and signal generator
(3) Signal generator. Tune the signal gen-
controls as follows:
erator to 200 kc and set the controls
(1) Test set. Set the test set controls as
for an RF output signal of 50 micro-
follows:
volt, modulated 30 percent at 400 cps.
25
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