Tektronix TAS 475 Service Manual

Table of Contents
Maintenance
iv
Maintenance Information .................................... .
Before Servicing
........................................ .
Tektronix
Service ....................................... .
6-1
6-1
6-1
Warranty Service .............. . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Repair or Calibration Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Self Service ............................................. 6-2
Preventing
ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Susceptibility to
ESD .................................. 6-3
Inspection and Cleaning ..................................... 6-5
General Care ............................................ 6-5
Inspection and Cleaning Procedures ...................... 6-5
Inspection - Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Cleaning Procedure - Exterior ......................... 6-6
Cleaning Procedure - Interior. . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Cleaning the CRT Implosion Shield.. . . . ..... .. .... . .. . .. 6-7
Removal and Installation Procedures ......................... 6-9
Preparation - Please Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Cable Removal ....................................... 6-9
General Instructions ................................... 6-10
Summary of Procedures ............................... 6-10
Line Cord and Line Fuse
................................ .
Line Cord
........................................... .
6-14
6-14
Line Fuse
............................................ 6-15
Front-Panel Knobs and Shafts............................ 6-15
Removing
Front-Panel Knobs and Shafts. . . . . . . . . . . . . . . . . 6-15
Installing Front-Panel Knobs and Shafts . . . . . . . . . . . . . . . . . . 6-16
Feet, Rear Cover, and Cabinet
............................ 6-17
Rear Cover
........................................... 6-18
Cabinet
.............................................. 6-18
Replacing the Front Feet ............................... 6-18
Front-Panel Trim, Menu and Power Buttons, EMI Gasket.... 6-18
Removing the Front Trim
............................... 6-18
Menu Buttons and
Elastomer ........................... 6-19
Power Button Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19
Installing the Front Trim ................................ 6-19
Installing the EMI Gaskets (TAS 485 Only) .... . . . . . . . . . . . . 6-20
A62 Front
Panel module Removal ......................... 6-21
Front-Panel Module Disassembly/Assembly. .. . . . . .. .. . .. 6-22
Menu
Flex Circuit Replacement ........................... 6-24
A 1
Analog Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-26
CRT
Implosion Shield .................................... 6-27
CRT..................................................... 6-29
CRT Removal ........................................ .
CRT Installation ...................................... .
6-29
6-31
Contents
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Tektronix TAS 475 Specifications

General

Brand	Tektronix
Model	TAS 475
Category	Test Equipment
Language	English