Before You Start Troubleshooting - Agilent Technologies N9039A Service Manual

Before You Start Troubleshooting

Before troubleshooting, complete the following tasks:
o Familiarize yourself with the safety symbols marked on the instrument and
o Read the ESD information below.
o Familiarize yourself with the troubleshooting information in
These servicing instructions are for use by qualified personnel only. To avoid
WARNING
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 instrument 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.
Chapter 1
read the general safety considerations in the front of this guide.
"Troubleshooting", and how it relates to information on troubleshooting the
other assemblies.
Overview

Before You Start Troubleshooting

Chapter 2,
19