TB 9-6625-2331-35
12. Power Supply
NOTE
Do not perform power supply check if all other parameters
are within tolerance. If any of the power supply checks are
out of tolerance perform the entire calibration adjustment
procedures in the manufacturer's service manual for this
instrument.
a. Performance Check
(1) Connect multimeter negative lead to TI GND L41 (fig. 1), and connect the
positive lead to the appropriate test point listed in table 7.
(2) Verify that the multimeter indicates within limits listed in table 7 for each of
the test points. If multimeter does not indicate within limits specified in table 7,
perform adjustments listed.
Test
instrument
test point locations
Dc voltage limits
Min
Max
X15 +5V
+4.70
+5.30
X16 +5.2V
-5.05
-5.15
X14 +7V
+6.90
+7.10
+12V X17
11.90
12.10
b. Adjustments
(1) Adjust 5V ADJ (fig. 1) for 5.00 V indication on multimeter (R).
(2) Repeat paragraph 11a above and perform the entire calibration adjustment
procedures in the manufacturer's service manual for this instrument.
13. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
