Before You Start Troubleshooting - Keysight N9040B Option 508 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 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 voltages. Disconnect the
product from all voltage sources while it is being opened.
The detachable power cord is the instrument disconnecting device. It 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 (detachable power
cord).
To prevent electrical shock, disconnect the analyzer from mains before cleaning. Use a dry cloth
or one slightly dampened with water to clean the external case parts. Do not attempt to clean
internally.
Keysight Technologies N9040B UXA Signal Analyzer Service Guide
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
Chapter 2,
21