TM 11-6625-3053-14
STEP
OPERATION
NORMAL INDICATION
CORRECTIVE ACTION
5
If modes not centered, note
(cont'd)
position of R3 LOW pot shaft.
Further adjust LOW pot R3 on
tracking board. If adjustment has
no effect, return it to previous
adjustment position.
If frequencies in agreement, lock
cam tab 1.
agreement by this adjustment
within +/- 2-1/2 MHz, adjust cam
tab 1 and lock into position when
accomplished.
Increase sig gen freq to 1860 MHz and POWER SET instrument.
Modes should be centered on scope, pcr figure 6-10C, and frequency of
signal generator should agree with freq counter within +/- 2-1/2 MHz.
If modes not centered, adjust
HIGH MODE pot R5 on tracking
board.
If frequencies in agreement, go to
2190 MHz on sig gen.
agreement by this adjustment
within +/- 2-1/2 MHz, loosen the
remaining 3 high freq cam tabs at
points 5, 6 & 7. Adjust tab 5 until
frequency agreement is attained
and then tighten. Leave tabs 6
and 7 loose.
Increase sig gen freq to 2190 MHz and POWER SET instrument.
Modes should be entered on scope, per figure 6-10C, and frequency of
signal generator should agree with freq counter within +/- 2-1/2 MHz.
If modes not centered, adjust
HIGH pot R4 on tracking board.
If frequencies in agreement, go to
2400 MHz on sig gen.
6-38