ii
Chapter 3 - MAINTENANCE, PERFORMANCE CHECKS and ADJUSTMENTS
What’s in This Chapter
..........................................................................................................................................3-2
Disassembly Instructions
......................................................................................................................................3-2
Special Handling of Static Sensitive Devices
....................................................................................................3-3
Cleaning
..................................................................................................................................................................3-4
Repair and Replacement
......................................................................................................................................3-4
Performance Checks
.............................................................................................................................................3-5
Environmental Conditions
....................................................................................................................................3-5
Warm-up Period
.....................................................................................................................................................3-5
9250
Configuration for the Tests
..........................................................................................................................3-5
Recommended Test Equipment
..........................................................................................................................3-5
Performance Check Procedures
.........................................................................................................................3-6
Input/Output Impedance
.......................................................................................................................................3-6
Test Results
............................................................................................................................................................3-6
Gain Accuracy
........................................................................................................................................................3-6
Test Results
............................................................................................................................................................3-7
Test Results
............................................................................................................................................................3-7
Test Results
............................................................................................................................................................3-7
Square wave Characteristics
...............................................................................................................................3-7
Test Results
............................................................................................................................................................3-8
Output Distortion
....................................................................................................................................................3-8
Test Results
............................................................................................................................................................3-8
Output Spectral Purity
...........................................................................................................................................3-9
Adjustments
..........................................................................................................................................................3-10
Introduction
...........................................................................................................................................................3-10
Environmental Conditions
..................................................................................................................................3-10
Required Equipment
...........................................................................................................................................3-10
Adjustment Procedures
......................................................................................................................................3-11
CH1 Low Frequency Response
.........................................................................................................................3-11
CH2 Low Frequency Response
.........................................................................................................................3-11
CH1 High Frequency Response
........................................................................................................................3-12
CH2 Low Frequency Response
.........................................................................................................................3-12
Channel 1, Auxiliary Offset Adjustment
............................................................................................................3-13
Channel 2, Auxiliary Offset Adjustment
............................................................................................................3-13
Appendix A - SPECIFICATIONS
.................................................................................................................
A-1
