
6-6 Data Highway Cards
UM4.6:CS6003 Original — December 1991
Step 10: Remove the jumper.
Step 11: Adjust the +5 VOLT (R26) potentiometer on the power
converter card until the voltmeter reads 5.070
± 0.010 volts
dc.
Step 12: Connect the voltmeter between the +15V and GND test jacks
on the power converter card. The voltmeter should read
between 14.050 and 14.600 volts dc and the ON indicator on
the power converter card and the RELAY TEST and RESET
TEST indicators on the calibrator should go out. If not, adjust
the +15 VOLT (R11) potentiometer on the power converter
card to obtain the proper reading.
Step 13: Adjust the +15 VOLT (R11) potentiometer on the power
converter card for a reading of 15.550
± 0.050 volts dc on the
voltmeter.
Step 14: Connect the voltmeter between the –12V and GND test jacks
on the power converter card. The voltmeter should read
–12.000
± 0.400 volts dc. If not, the power converter card
requires repair.
Step 15: Connect the voltmeter between the –30V and GND test jacks
on the power converter card. The voltmeter should read
between –28.900 and –31.000 volts dc. If not, the power
converter card requires repair.
Step 16: Disconnect the voltmeter.
Step 17: Set the calibrator ON/OFF switch to OFF.
Step 18: Remove the power converter card.
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