Tektronix 3 Series Service Manual

Table of Contents
List of Figures................................................................................................................................................................................v
List of Tables.................................................................................................................................................................................vi
Important safety information........................................................................................................................................................ vii
General safety summary...................................................................................................................................................... vii
Service safety summary........................................................................................................................................................ ix
Terms in the manual.............................................................................................................................................................. ix
Terms on the product.............................................................................................................................................................ix
Symbols on the product......................................................................................................................................................... x
Preface..........................................................................................................................................................................................1
Supported products................................................................................................................................................................1
Replaceable parts.................................................................................................................................................................. 1
Where to find operating information.......................................................................................................................................1
Theory of operation....................................................................................................................................................................... 2
Power supply......................................................................................................................................................................... 3
I/O board................................................................................................................................................................................ 3
Main board and front-end board............................................................................................................................................ 3
Front panel and display..........................................................................................................................................................3
Adjustment procedures................................................................................................................................................................. 4
Adjustment............................................................................................................................................................................. 4
Adjustment interval................................................................................................................................................................ 4
Adjustment after repair...........................................................................................................................................................4
Maintenance..................................................................................................................................................................................5
Preventing ESD..................................................................................................................................................................... 5
Inspection and cleaning......................................................................................................................................................... 5
Exterior cleaning (other than display)............................................................................................................................. 5
Flat panel display cleaning............................................................................................................................................. 6
Interior cleaning.............................................................................................................................................................. 6
Lubrication...................................................................................................................................................................... 7
Returning the instrument for service...............................................................................................................................7
Remove and replace procedures...........................................................................................................................................7
Required equipment....................................................................................................................................................... 8
Remove feet................................................................................................................................................................... 8
Remove handle...............................................................................................................................................................9
Remove rear grill and case.............................................................................................................................................9
Remove handle hub assembly......................................................................................................................................10
Remove rear chassis assembly.................................................................................................................................... 11
Remove the main fan assembly....................................................................................................................................12
Remove the AC line filter.............................................................................................................................................. 13
Remove the power supply assembly............................................................................................................................ 15
Remove the I/O board.................................................................................................................................................. 16
Remove front-panel knobs............................................................................................................................................18
Troubleshooting the 3 Series MDO......................................................................................................................................18
Level of service.............................................................................................................................................................18
Check for common problems........................................................................................................................................18
Table of Contents
3 Series MDO Mixed Domain Oscilloscope Service Manual iii

Tektronix 3 Series Specifications

General

Brand	Tektronix
Model	3 Series
Category	Test Equipment
Language	English