TB 9-6625-2214-24
a. Performance Check
(1) Connect 1 MHz OUTPUT of time/frequency workstation to REF INPUT of
frequency difference meter.
(2) Connect TI TIME BASE 10 MHz OUT jack (rear panel) to SIG INPUT of
frequency difference meter.
(3) Adjust FREQ ADJ (option 010) (A4 C6) (fig. 1) for minimum difference indication
on frequency difference meter. Frequency difference meter will indicate less than 3 parts in
107 (5 parts in 1010 for option 010) after 24 hour stabilization.
(4) Adjust output of autotransformer from 105 to 125 V ac and verify that TI
oscillator drift is less than 1 part in 10-7 (1 part in 10-10 for option 010).
Figure 1. Test instrument - to left view A4 board.
b. Adjustments. No further adjustments can be made.