Servicing - Agilent Technologies N5230A Service Manual

Safety and Regulatory Information
General Safety Considerations
CAUTION This instrument has autoranging line voltage input. Be sure the supply
voltage is within the specified range.
CAUTION This product is designed for use in Installation Category II and Pollution
Degree 2 per IEC 61010-1:2001 and 664 respectively.
CAUTION Ventilation Requirements: When installing the product in a cabinet, the
convection into and out of the product must not be restricted. The ambient
temperature (outside the cabinet) must be less than the maximum operating
temperature of the instrument by 4 °C for every 100 watts dissipated in the
cabinet. If the total power dissipated in the cabinet is greater than 800 watts,
then forced convection must be used.
CAUTION The measuring terminals on this instrument are designed to be used with
external signals described in Measurement Category I, but NOT with
external signals described in Categories II, III, and IV. The input of this
instrument cannot be connected to the mains.

Servicing

These servicing instructions are for use by qualified personnel only.
WARNING
To avoid electrical shock, do not perform any servicing unless you
are qualified to do so.
WARNING Danger of explosion if battery is incorrectly replaced. Replace only
with the same or equivalent type recommended. Discard used
batteries according to local ordinances and/or manufacturer's
instructions.
WARNING Procedures described in this document may be performed with
power supplied to the product while protective covers are removed.
Energy available at many points may, if contacted, result in personal
injury.
No operator serviceable parts inside. Refer servicing to qualified
WARNING
personnel. To prevent electrical shock, do not remove covers.
WARNING The opening of covers or removal of parts may expose dangerous
voltages. Disconnect the instrument from all voltage sources while it
is being opened.
1-4
PNA Series Microwave Network Analyzers
Service Guide N5230-90014
N5230A