TM 11-5826-225-35
(3) BFOOFF switch to OFF.
positioned as shown on the schematic diagram
of the receiver (fig. 510 or 510.1).
d. Set the switches on the test set as follows:
g. If the rotors are not positioned as in f
(1) DC POWER switch to ON,
above, loosen screws (33, fig. 516) and rotate
(2) R E C E I V E R - C O N T R O L switch to
switch wafer (23) until tabs are centered.
RECEIVER.
Then retighten screws {33).
(3) GONIO DRIVE switch to ON.
3-12. Adjustment and Synchronization of
e. Set the function switch on the control
Tuning Capacitor
unit to LOOP. Then return the switch to ANT.
a. Loosen setscrews (68, fig. 516) on collar
f. Note the position of the switch rotors
(69 ) of gear train assembly in the receiver.
which are connected mechanically to the gear
train subassembly. All switch rotors should be
b. Swing out the rear of the chassis (para
3-11a).
c. Connect the input terminal of the vtvm
to S3 of B1 (fig. 27), Connect the ground
terminal of the vtvm to S1 of B1.
Figure 3-4. RF balance test jig, schematic
Figure 3-5. Schematic diagram of tuning
diagram.
capacitor test cable.
Figure 36. Block diagram of adjustment and synchronization of tuning capacitor setup.
Change 1 3-21
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