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Servicing the HP 83447A
These servicing instructions are for use by quali ed personnel only.
W A R N I N G
To avoid electrical shock, do not perform any servicing unless you are
quali ed to do so.
The opening of covers or removal of parts is likely to expose dangerous
W A R N I N G
voltages. Disconnect the instrument from all voltage sources while it is
being opened.
The power cord is connected to internal capacitors that may remain live
W A R N I N G
for ve seconds after disconnecting the plug from its power supply.
This is a Safety Class 1 Product (provided with a protective earthing
W A R N I N G
ground incorporated in the power cord). The mains plug shall only be
inserted in a socket outlet provided with a protective earth contact.
Any interruption of the protective conductor inside or outside of the
instrument is likely to make the instrument dangerous. Intentional
interruption is prohibited.
For continued protection against re hazard, replace line fuse only with
W A R N I N G
same type and ratings, (type T 0.315A/250V for 100/120V operation
0.16A/250V for 220/240V operation). The use of other fuses or materials
is prohibited.
What you'll nd in this chapter
General information
Troubleshooting
Adjustment procedures
Performance tests
Replacement procedures
Replaceable parts
or
T
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