Servicing - Agilent Technologies 8719ET Service Manual

8719ET/20ET/22ET
8719ES/20ES/22ES
RF Network Analyzers

Servicing

WARNING No operator serviceable parts inside. Refer servicing to qualified
personnel. To prevent electrical shock, do not remove covers.
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.
The opening of covers or removal of parts is likely to expose
WARNING
dangerous voltages. Disconnect the instrument from all voltage
sources while it is being opened.
WARNING Adjustments 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.
WARNING Danger of explosion if battery is incorrectly replaced. Replace only
with the same or equivalent type recommended. Discard used
batteries according to manufacturer's instructions.
WARNING The power cord is connected to internal capacitors that may remain
live for 5 seconds after disconnecting the plug from its power supply.
WARNING For continued protection against fire hazard, replace line fuse only
with same type and rating (115 V operation: T 5A 125V UL/CSA; 230V
operation: T 4A H 250V IEC). The use of other fuses or materials is
prohibited.
Service Guide
Safety and Regulatory Information
Safety Considerations
15- 7