TB 9-6625-2151-24
b. Adjustments
.
(1) Set calibrator for a 6.9 V dc output and resistance standard dials for 0.0
(2) Position controls as listed in (a) through (c) below:
(a) Press DISPLAY key to select TRMT.
(b) Press NOR pushbutton.
(c) Press SET UP TRMT HOLD and RCV HOLD pushbuttons (in).
(3) Adjust R53 XMT HOLD (fig. 3) until multimeter indicates 24 mA (R).
Figure 3. A2 board - adjustment locations.
(4) Set calibrator for a -6.9 V dc output. Multimeter indication will not change.
(5) Set calibrator for a 6.9 V dc output.
(6) Press REV pushbutton.
(7) Adjust R73 RCV HOLD (fig. 3) until multimeter indicates 24 mA (R).
(8) Repeat (4) above.
(9) Adjust calibrator for a 50 V dc output. Multimeter will indicate less than 26 mA.
(10) Press NOR pushbutton. Multimeter will indicate less than 26 mA.
12. Distortion
a. Performance Check
f
(1) Connect TI left TRMT/RCV 310 to audio analyzer INPUT HIGH using 600
eedthrough termination.
(2) Position controls as listed in (a) through (f) below: