TB 9-6625-2343-40
(33) Adjust A18R19 INC AM 1.5 MHz IF (fig. 4) for a minimum display <0.2 percent (R).
(34) Disconnect equipment setup.
(35) Connect TI sensor module to TI CALIBRATION AM/FM OUTPUT.
(36) Press TI keys as listed in (a) and (b) below:
(a) DATA 13.0.
(b) DATA SPCL.
(37) Adjust A50R45 "A" LVL (fig. 5) for a display of 33.330 to 33.336 percent (R).
R 45 "A " LV L
R 39 SYM M
A M C A L IB R A TO R
A D JU STM E N T
A 50
Figure 5. A50 board.
(38) Press TI keys as listed in (a) and (b) below:
(a) DATA 49.5.
(b) DATA SP CL.
(39) TI display should indicate between 1.8 and 2.2.
(40) Press TI keys as listed in (a) through (d) below:
(a) DATA 13.2.
(b) DATA SPCL.
(c) DATA 5.1.
(d) DATA SPCL.
(41) Alternately switch TI DETECTOR between PEAK+ and PEAK-. Note the
indications for each setting.
(42) Adjust A50R39 SYMM (fig. 5) until the indications are the same for both
detectors within 0.015 percent (R).
(43) Press TI keys as listed in (a) and (b) below:
(a) MEASUREMENT FM.
(b) CALIBRATION CALIBRATE.
(44) Allow TI to take at least two readings, then adjust A2R6 AM SENS (fig. 2) for a
displayed indication of 99.95 percent to 100.05 percent (R).
(45) Press TI CALIBRATION CALIBRATE key.
(46) Reduce all outputs to minimum and disconnect equipment setup.
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