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Page Title:
ADJUSTMENT OF +12 V POWER SUPPLY 1 A2 PS1 |
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 ADJUSTMENT OF +12 V POWER SUPPLY 1 A2 PS1
To adjust +12 V Power Supply 1A2 PSI perform the following:
a.
Remove Status Panel Assembly 1A2 from the bench test set in accordance
with paragraph 3-32a. Set the status panel assembly upside down on the
test bench. Connect the power cord to an energized 115 V ac, 60 Hz
source.
b.
Check that front panel lamp DS21 illuminates.
N
O
T
E
If lamp does not light, check that front panel
circuit breaker on the status panel has not
been tripped.
c.
Connect the
the DMM to the +12 V test point (1) and the COM lead
to the chassis ground.
d.
Using screwdriver, rotate the +12 V ADJ control (2) clockwise or counter-
clockwise until the DMM meter indicates +12.0 V.
e.
Remove test leads from the status panel.
f.
Reinstall status panel in BTS using the procedure in paragraph 3-32b.
3-85
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