TB 9-6625-2155-24
(2) Connect digital multimeter to A3A3TP5 (fig. 13) and chassis. If digital
multimeter does not indicate between +19.998 V dc and +20.002 V dc, perform b (2) below.
Figure 13. A3A3 card.
(3) Repeat technique of (2) above for test points and indications in table 13.
Table 13. Power Supply Checks
Test instrument
Voltage (V dc)
test points
Min
Max
A3A3TP6 (fig. 13)
+9.9
+12.1
A3A3TP2 (fig. 13)
+5.1
+5.3
A3A4TP5 (fig. 14)
-5.15
-5.25
A3A4TP4 (fig. 14)
-9.8
-10.2
A3A4TP1 (fig. 14)
-39.0
-40.6
Figure 14. A3A4 Card.
b. Adjustments
(1) Adjust A3A1R2 (fig. 12) for an indication of +22.00 V dc on digital
multimeter (R).
(2) Adjust A3A3R50 (fig. 13) for an indication of 20.000 V dc on digital multimeter.
No further adjustments can be made (R).
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