TB 9-6625-2340-35
(69) Press TI keys as listed in (a) and (b) below:
(a) 2-22 GHz.
(b) CENTER FREQUENCY, 5.82, GHz.
(71) Adjust A19R43 (fig. 6) fully counterclockwise.
(72) Press TI FREQ STOP, 10, GHz keys.
(73) Adjust A19R43 (fig. 6) clockwise until the two signals displayed almost coincide
(just barely discernable as separate signals).
(74) Press TI FREQ STOP, 12.5, GHz keys.
(76) Two almost coincident signals should be displayed. If not, slightly readjust
A19R43 (fig. 6).
(78) Press TI keys as listed in (a) and (b) below:
(a) CENTER FREQUENCY, 5.8, GHz.
(b) FREQUENCY SPAN, 450, MHz.
(79) Adjust A19R32 (fig. 6) for best shaped single signal on TI display.
(80) Press TI 2-22 GHz key.
(81) Remove jumper between A12TP2 and A12TP3.
(82) Replace cover over A12 through A16 pc boards.
(83) Replace TI bottom cover.
11. Frequency Span Accuracy
a. Performance Check
(1) Press TI 2-22 GHz key.
(2) Connect TI RF INPUT to signal generator No. 1 RF OUTPUT.
(3) Connect TI 10 MHz OUT (rear panel) to signal generator No. 1 EXT REF
INPUT (rear panel).
(4) Set the signal generator No. 1 for an output frequency of 40 MHz at a -10 dBm
level.
