Figure 4. Board all power supply - top right rear view.

TB 9-6625-2084-35

Table 4. Power Supply Check

Test instrument test points

Digital voltmeter indications (V dc)

Min

Max

-15

Pin 1

-14.9

-15.1

Pin 2

+4.9

+5.1

+15

Pin 3

+14.9

+15.1

+50

Pin 4

+49.7

+50.3

+130

Pin 6

+125

+135

(5) Set POWER OFF/ON switch to ON. Digital voltmeter will indicate between -1430

and -1520 V dc.

(6) Set POWER OFF/ON switch to OFF and disconnect digital voltmeter.

b. Adjustments. Adjust -50 V R881 (fig. 3) for a -50-V indication on digital voltmeter (R).

15. Final Procedure

a. Deenergize and disconnect all equipment and reinstall protective cover on TI.

b. Annotate and affix DA label/form in accordance with TB 750-25.