Table of Contents
Four-Channel O
scilloscopes ........ ........ ........ ........ ........ ................ ........ ........ ... 3-5
Performance Verification
Performance Verification ........................................................................................ 4-1
Required Equipment......................................................................................... 4-1
Test Record ................................................................................................... 4-2
Performance Verification Procedures...................................................................... 4-3
Self Test.................................................................................................. 4-3
Self Calibration.......................................................................................... 4-3
Check D C Gain Accur
acy.............................................................................. 4-3
Check Bandwidth ....................................................................................... 4-5
Check Sample Rate Accuracy and Delay Time Accuracy.......................................... 4-6
Check Edge Trigger Sensitivity ....................................................................... 4-7
Check External Edge Trigger Sensitivity............................................................. 4-9
Check Vertical Position Accuracy.................. ........ ......................................... 4-10
Adjustment Procedures
Adjustment Procedures .......................................................................................... 5-1
Required Equipment......................................................................................... 5-1
Adjustment Procedure....................................................................................... 5-1
Enable the Service Menu............................................................................... 5-2
Adjustment Procedure.................................................................................. 5-4
Maintenance....................................................................................................... 6-1
Preventing ESD .............................................................................................. 6-1
Inspection and Cleaning..................................................................................... 6-1
General Care............................................................................................. 6-2
Interior Cleaning ........................................................................................ 6-2
Exterior Cleaning ....................................................................................... 6-2
Exterior Inspection...................................................................................... 6-3
Interior Inspection ...................................................................................... 6-3
Cleaning Procedure, Interior
........................................................................... 6-4
Removal and Installation Procedures...................................................................... 6-6
Summary of Procedures................................................................................ 6-6
Required Tools .......................................................................................... 6-8
Rear Feet................................................................................................. 6-8
Flip Feet.................................................................................................. 6-9
Front-Panel Knobs...................................................................................... 6-9
Power Button ............................................................................................ 6-9
Rear Case .............................................................................................. 6-10
Front Feet .............................................................................................. 6-11
ii TBS1000 Series Oscilloscope S ervice Manual