Tektronix WVR4000, Service Manual

Page: 35 / 59

Removal and Replacement Procedures
Removal and Replacement Procedures
This section contains procedures for the removal and replacement of all
replaceable modules in the instrument.
Preparation
WARNING.
Before doing this or any other procedure in this manual, read the
safety summaries found at the beginning of this manual. Also, to prevent possible
injury to service personnel or damage to the instrument components, read
Preventing ESD. (See page 9.)
This subsection contains the following items:
Preparatory information that you need to properly do the procedures that
follow.
List of tools required to remove and disassemble all modules.
Procedures for removal of the modules.
WARNING. Before doing any procedure in this subsection, disconnect the power
cord from the line voltage source. Failure to do so could cause serious injury
or death.
NOTE. Read Equipment Required for a list of the tools needed to remove and
install modules in this instrument. (See Table 7 on page 23.) Read the cleaning
procedure before disassembling the instrument for cleaning.
Lead Free Soldering Lead-free manufacturing processes and components were used to make this
product. The Tektronix Worldwide Service Organization uses lead-free solder
in all repairs. Lead-free solder joints have a satin
fi nish and are not shiny like
lead-based solder joints.
This manual does not support component-level repairs. However, if you do make
any component-level repairs, the following equipment is recommended:
WVR4000 and WVR5000 Service Manual 21