TB 9-6625-2139-24
12. Power Supply
NOTE
Do not perform power supply checks if all other parameters are
within tolerance.
a. Performance Check.
(1) Connect multimeter to TI TP961 -8.6 V (fig. 2) and chassis ground.
Multimeter will indicate as listed in table 27; if not, perform b below.
(2) Connect multimeter to remaining test points in table 27.
Multimeter will
indicate as listed in table 27.
Table 27. Power Supply Voltage
Multimeter indications
Test instrument
(V dc)
test points
Min
Max
TP961 8.6
-8.56
-8.64
W968 +5.2
5.04
5.36
W960 +8.6
8.43
8.77
W956 +30
29.10
30.90
W954 +100
97.00
103.00
b. Adjustments
(1) Adjust R938 -8.6 V ADJ (fig. 2) for a -8.60 V dc indication on multimeter. (R)
(2) Perform paragraph 8 through 11 above.
13. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix label/form in accordance with TB 750-25.