Instructions
Table Of Contents
Table of Contents
List of Figures................................................................................................................................................................................5
List of Tables................................................................................................................................................................................. 6
Important safety information..........................................................................................................................................................7
General safety summary........................................................................................................................................................7
Service safety summary.........................................................................................................................................................9
Terms in the manual...............................................................................................................................................................9
Symbols on the product......................................................................................................................................................... 9
Preface........................................................................................................................................................................................10
Manual conventions............................................................................................................................................................. 10
Modules........................................................................................................................................................................ 10
Replaceable parts.........................................................................................................................................................10
Safety............................................................................................................................................................................10
Ordering information....................................................................................................................................................................11
Theory of operation..................................................................................................................................................................... 12
Power supply....................................................................................................................................................................... 13
Front End assembly (4 channel models)............................................................................................................................. 13
Main board........................................................................................................................................................................... 13
I/O board (4 channel models).............................................................................................................................................. 14
Front-panel board................................................................................................................................................................ 14
Adjustments................................................................................................................................................................................ 15
Adjustments......................................................................................................................................................................... 15
Maintenance................................................................................................................................................................................16
Preventing ESD................................................................................................................................................................... 16
Inspection and cleaning....................................................................................................................................................... 16
General care................................................................................................................................................................. 16
Flat panel display cleaning........................................................................................................................................... 16
Exterior cleaning........................................................................................................................................................... 17
Interior cleaning............................................................................................................................................................ 17
Lubrication.................................................................................................................................................................... 18
Module removal................................................................................................................................................................... 18
Required tools and equipment......................................................................................................................................18
To remove modules...................................................................................................................................................... 19
Troubleshooting................................................................................................................................................................... 19
Adjustment after repair..................................................................................................................................................19
Required tools and equipment......................................................................................................................................19
Troubleshooting procedure.................................................................................................................................................. 19
Primary troubleshooting flowchart.................................................................................................................................20
AC Power Supply module troubleshooting flowchart....................................................................................................21
Board isolation troubleshooting flowchart..................................................................................................................... 22
Unpacking and repacking instructions................................................................................................................................. 22
Unpacking.....................................................................................................................................................................22
Repacking.....................................................................................................................................................................23
Storage......................................................................................................................................................................... 23
Replaceable parts....................................................................................................................................................................... 24
Table of Contents
TBS2000B Series Digital Storage Oscilloscopes Service Manual 3