Madel 6960 A
5-1
Introduction
SECTION V
MAl
NTENANCE
Section V
5-2
This
section contoins mointenonce and service information for the Model 6960 A
Power Supply. A performance
check
can be made with
the
instrument
in
its
cabinet
and
is
a good test as port
of
prevention maintenance and incoming quality control
inspection.
5-3
General
Maintenance
Information
...
5-4 The power supply has no parts which have a
definite
limited
life.
The
instrument
should
operate
indefinitely with no routine
maintenance.
If
any parts are
replaced
you should
recheck
the
settings of R
7,
R
10
{maximum
short
circuit
current}, R23
{load regulation}
and,
if necessary, R 20 and R
21
{meter adjusts}. Variations
among ports may make it necessary to readjust
the
controls
slightly.
Reseal the
controls with adhesive or point
after
adjustment, otherwise the setting will change
with shock and
vibration.
A list
of
possible troubles and the probable cause
are
tabulated
in
poragraph
5-12.
In
each
case curing the trouble involves replacing the
defective
parts.
Be
careful
when soldering on the
etched
circuit
board.
You
can couse damage
by
excessive
heat
or improper
technique.
l
!
5-5
Test Equipment Required
5-6
5-1
Test equipment required to test this instrument
is
listed
in
table
5-1.
The
necessary
specifications required to
obtain
reliable
test results
are
listed
so
that
other
equip-
ment with
equivalent
specifications
may
be used.
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