Tektronix TDS2022B User Manual

Table of Contents
ii
TDS1000B and TDS2000B Series Oscilloscope Service Manual
Maintenance 6--1..............................................
Preventing ESD 6-- 1.................................................
Inspection and Cleaning 6--2...........................................
General Care 6--2................................................
Interior Cleaning 6--2.............................................
Exterior Cleaning 6--2............................................
Removal and Installation Procedures 6--6.................................
List of Modules 6--6..............................................
Summary of Procedures 6--6.......................................
Required Tools 6--8...............................................
Rear Feet 6-- 8...................................................
Flip Feet 6-- 8....................................................
Front-Panel Knobs 6--9............................................
Power Button 6-- 9................................................
Rear Case 6--9...................................................
Front Feet 6--10...................................................
Power Supply Module 6--11.........................................
Internal Assembly 6--12............................................
Display Cable 6-- 12...............................................
Front-Panel Cable 6--14............................................
Main Board Module 6--15..........................................
Display Module 6--16..............................................
Front-Panel Module 6--18...........................................
Keypad 6--18.....................................................
Front Case 6--19..................................................
Troubleshooting 6--20.................................................
Adjustment After Repair 6-- 20.......................................
Required Tools and Equipment 6--20..................................
Troubleshooting Tree 6--20.........................................
PROBE COMP Output 6--25........................................
Troubleshooting the Power Supply 6--25..............................
Troubleshooting the Display 6--26...................................
Troubleshooting the Backlight 6--28..................................
Troubleshooting the Front Panel 6--30.................................
Troubleshooting the Main Board 6--32................................
Running Diagnostics 6--33..........................................
Troubleshooting Input Connections 6--33..............................
Troubleshooting the USB Interface 6--34...............................
Using the Error Log 6--34...........................................
Repackagi ng Instructions 6--36..........................................
Packaging 6--36..................................................
Storage 6--36.....................................................
Diagrams 7--1.................................................
Replaceable Parts 8--1..........................................
Parts Ordering Information 8--1.........................................
Using the Replaceable Parts List 8-- 3....................................
Appendix A: Example of a Vertical Position Accuracy Test
Spreadsheet A--1...........................................
Index

Tektronix TDS2022B Specifications

General

Bandwidth	200 MHz
Channels	2
Sample Rate	2 GS/s
Vertical Resolution	8 bits
Display Resolution	320 x 240 pixels
Input Coupling	AC, DC, GND
Timebase Accuracy	50 ppm
Operating Temperature	0 °C to +50 °C
Display	5.7 in. (144 mm) diagonal
Trigger Modes	Edge, Pulse, Video
Display Type	Color LCD
Display Size	5.7-inch
Power Requirements	100 to 240 V ± 10%, 45 Hz to 440 Hz
Memory Depth	2.5k points
Record Length	2.5k points
Input Impedance	1 MΩ ± 2% in parallel with 20 pF ± 3 pF