TB 9-6625-1200-35
(7) Move connection from TI CH 1 input to TI CH 2 input.
(8) Set CH1-CH2 mode switch to CH2.
(9) Set TRIGGERING CH1 & 2, CH1, EXT switch to CH1 & 2.
(10) Repeat technique of (3) through (5) above. If displayed pulse does not have a
square leading corner and a flat top with aberrations within 1.5 minor divisions, perform
b(2) below.
(11) Repeat (6) above.
(12) Push in X10 MAG switch.
(13) Set oscilloscope calibrator to standby.
b. Adjustments
(1) Adjust R237, C237, L245, and L255 (fig. 3) in order, for optimum square wave.
(2) Adjust C114 (fig. 1) (for S/N below 20,000) for optimum square wave. Adjust
R237, C237, L245, and L255 (fig. 3) (for S/N 20,000 and above). Compromise the
adjustments for optimum square wave (R).
13. Calibrator
a. Performance Check
(1) Set TIME/DIV switch to .5 mSEC.
