TB 9-6625-2117-24
14. -15 Volt Power Supply
NOTE
Do not perform power supply checks if all other parameters are
within tolerance.
a. Performance Check. Connect digital multimeter to -15 VOLT TEST POINT as
and above. If digital voltmeter does not indicate between -14.888 and -15.112 V (+14.888
and +15.112 V), perform b below.
Figure 6. Adjustment and test point location - top view - SN 499999 and below.
b. Adjustments. Adjust 15 VOLT R1122 (fig. 6) for SN 499999 and below
( + 1 5 V O LT R1940 (fig. 7) for SN 500000 and above) for -15 V (+15 V) indication on digital
voltmeter (R).