Before You Start Troubleshooting - Keysight n9020a Service Manual

Overview

Before You Start Troubleshooting

Before You Start Troubleshooting

Before troubleshooting, complete the following tasks:
— Familiarize yourself with the safety symbols marked on the instrument and
— Read the ESD information below.
— Familiarize yourself with the troubleshooting information in
These servicing instructions are for use by qualified personnel only. To
WARNING
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 dangerous
WARNING
voltages. Disconnect the product from all voltage sources while it is
being opened.
The detachable power cord is the instrument disconnecting device. It
WARNING
disconnects the mains circuits from the mains supply before other
parts of the instrument. The front panel switch is only a standby switch
and is not a LINE switch (disconnecting device).
Always position the instrument for easy access to the disconnecting device
CAUTION
(detachable power cord).
To prevent electrical shock, disconnect the analyzer from mains before
WARNING
cleaning. Use a dry cloth or one slightly dampened with water to clean
the external case parts. Do not attempt to clean internally.
This is a Safety Class 1 Product (provided with a protective earthing
WARNING
ground incorporated in the power cord). The mains plug shall only be
inserted in a socket outlet provided with a protective earth contact.
read the general safety considerations in the front of this guide.
"Boot Up and Initialization
information on troubleshooting the other assemblies.
Troubleshooting.", and how it relates to
19
Chapter 2,