TB 9-6625-2346-35
(7) Press TI FREQ pushbutton.
(8) Adjust C1311 (2236/2236A) (fig. 3) for a TI indication between 999.9991 kHz and
999.9999 kHz or adjust TCXO CAL (Option 14) (fig. 3) for a TI indication of 1.000000 MHz.
(10) Set TI HORIZONTAL MODE A ALT B switch to A.
(11) Press TI DCV pushbutton.
(12) Rotate R1819 (fig. 3) to fully ccw position.
(13) Connect a short between TI MULTIMETER INPUTS.
(14) Adjust R1817 (fig. 3) for a TI indication of .0000 V.
(16) Adjust R1819 (fig. 3) for a TI indication of .0000 V.
(17) Repeat technique of (13) through (16) above until no further improvement is
noticed.
(18) Connect calibrator OUTPUT terminals to TI MULTIMETER INPUTS.
(19) Set calibrator for a DC output of 400 mV.
(20) Adjust R1919 (fig 4) for a TI indication of .4000 V (R).
(21) Set calibrator for a DC output of -400 mV.
(22) Check TI reading is between -.3999 and -.4001.
(23) Set calibrator output to minimum.
(24) Press TI UPPER FUNCTIONS IN LOWER FUNCTIONS OUT pushbutton to
the OUT position.
(25) Press TI AC RMSV pushbutton.
(26) Rotate R1908 (fig. 4) to fully cw position.
(27) Connect a short between TI MULTIMETER INPUTS.
(28) Adjust R1908 (fig. 4) until TI last digit is 0 and does not toggle between 0 and 1.
(30) Connect calibrator OUTPUT terminals to TI MULTIMETER INPUTS.
(31) Set calibrator for an output of 400 mV at a frequency of 1 kHz.
(32) Adjust R1904 (fig. 4) for a TI indication of .4000 V (R).
(33) Change calibrator output amplitude to 4.0 V.
(34) Adjust R1967 (fig. 4) for a TI indication of 3.997 V (R).
(35) Change calibrator output amplitude to 40 V.
(36) Adjust R1966 (fig. 4) for a TI indication of 39.97 V (R).
(37) Change calibrator output amplitude to 300 V.
(38) Adjust R1965 (fig. 4) for a TI indication of 299.8 V (R).
(39) Set calibrator output to minimum and disconnect equipment setup.
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