Removal and Installation Procedures
6-10
TDS 420A, TDS 430A & TDS 460A Service Manual
Chapter 10 lists all modules.
Usually cables are partially or completely removed as in the course of removing
a module they plug into. However, all field replaceable cables are modules and
can be replaced by doing the Access Procedure. Figure 6--4, on page 6--22, shows
the cables and their routing.
STOP. READ THESE GENERAL INSTRUCTIONS BEFORE REMOVING A
MODULE.
First read over the Summary of Procedures that follows to understand how the
procedures are grouped. Then read Equipment Required for a list of the tools
needed to remove and install modules in this oscilloscope.
Reference Figure 6--1 on page 6--11. Procedures refer to “front,”“rear,”“top,”
etc. of the oscilloscope; note from the figure which sides are referenced.
If you are disassembling this oscilloscope for cleaning, go to the procedure
Disassembly for C leaning on page 6--71.
If you are removing a module for service, begin by doing the procedure Access
Procedure (page 6--13). By following the instructions in that procedure, you
remove the module to be serviced while removing the minimum number of
additional modules.
The procedures are described in the order in which they appear in this section. In
addition, you can look up any procedure for removal and reinstallation of any
module in the Table of Contents of this manual.
H The Access Pr ocedure on page 6--13 first directs you to the procedure(s) that
remove any modules that must be removed to access the module to be
serviced. It then directs you to the procedure to remove that module.
H Procedures for Module Removal and Installation on page 6--23 are the
procedures for removing modules. These procedures assume you have done
the access procedure.
H Disassembly for Cleaning on page 6--71 is a procedure, based on the module
removal procedures just described, that removes all modules for cleaning.
Instructions for cleaning are found in Inspection and Cleaning beginning on
page 6--4.TheDisassembly for Cleaning procedure does not use the
access procedure.
List of Modules
Cable Removal
General Instructions
Summary of Procedures
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