Introduction; General Maintenance Information; Tests Equipment Required - HP 6960A Operating And Service Manual

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
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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}, R 23
{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.
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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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