TB 9-6625-2271-50
Figure 5. Time base
accuracy -
adjustment locations.
(3) Remove cover screw from A5 CPU Y1 (fig. 5) and adjust internal slotted screw
for a TI indication of 10000.00 kHz (1 count) (R).
and (8 fig. 5) to the closed (up) position.
(5) Replace A5 CPU Y1 (fig. 5) cover screw and TI top cover.
a. Performance Check
(1) Connect TI OUTPUT HIGH to ac measurement standard INPUT 2 HI and LO.
Setup ac measurement standard to measure levels at INPUT 2.
(2) Press keys and enter values using DATA ENTRY keys as listed in (a) through
(e) below:
(a)
LCL INIT.
(b)
SOURCE LEVEL.
(c)
3 mV.
(d)
SOURCE FREQ.
(e)
1 kHz.
(f)
SPCL
(g)
75 ENTER