Tektronix THS710A Manual de usuario Pagina 56
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Performance Verification
4–12
THS710A, THS720A, THS730A & THS720P Service Manual
This test checks the oscilloscope time base accuracy.
1. Set up the TekScope instrument using the following steps:
SCO
PE
SA
VE/
RECALL
Recall Saved
Setup
Recall Factory
Setup
—
OK Recall
Factory
—
VERTICAL
MENU
Probe Type Voltage Probe Set to 1X
2. Connect the TekScope instrument to the time mark generator as shown
below.
Time mark
generator
Ch 1
Output
50 feedthrough
terminator
BNC cable
3. Set the time mark generator period to 10 ms.
4. Set the TekScope instrument VOLTS/DIV to 500 mV/div.
5. Use the vertical POSITION rocker to center the test signal on screen.
Check Oscilloscope
Sample Rate and Delay
Time Accuracy
- Service Manual 1
- THS710A, THS720A 1
- THS730A & THS720P 1
- TekScope 1
- 070-9752-01 1
- WARRANTY 3
- Service Assurance 4
- Table of Contents 5
- List of Figures 7
- List of Tables 8
- General Safety Summary 9
- Symbols and Terms 10
- Battery Recycling 10
- Service Safety Summary 11
- Related Manuals 13
- Conventions 14
- Specifications 16
- Operating Information 31
- Using External Power 32
- Understanding the Front Panel 33
- Using Meter Mode 34
- Using the Menu System 35
- Using the Dedicated 37
- Top panel 38
- Side panel 38
- Compensating the 39
- Oscilloscope Probes 39
- Attaching the Reference 40
- Leads Correctly 40
- Beware of High Voltages 40
- Theory of Operation 42
- Display Module 43
- Switch Assembly 43
- Performance Verification 45
- Test Record 46
- Signal Path Compensation 48
- Execute Self Test 49
- Check Oscilloscope DC 50
- Measurement Accuracy 50
- Check Oscilloscope 52
- Channel 1 Bandwidth 52
- Channel 2 Bandwidth 54
- Sample Rate and Delay 56
- Time Accuracy 56
- Channel 1 Edge Trigger 58
- Sensitivity 58
- Channel 2 Edge Trigger 60
- Check Meter DC Voltage 62
- Accuracy 62
- Check Meter AC Voltage 64
- Check Meter Resistance 66
- Adjustment Procedures 70
- Adjustment-lockout 73
- Oscilloscope Adjustment 74
- Procedure 76
- Completing the 76
- Adjustment Process 76
- Meter Adjustment 77
- Inspection and Cleaning 84
- Preparation 87
- List of Modules 87
- Summary of Procedures 88
- Tools Required 89
- Tilt Stand 90
- Front-Panel Label 92
- Front Cover 93
- Display shield 95
- Front cover 95
- Foam pad 95
- Gasket material 96
- Trim tails to 96
- Overlap gasket material 96
- Inverter board 99
- Display cable connector 99
- Switch flex-circuit board 99
- Display module 99
- Contact side of cable 100
- Back Cover 101
- Maintenance 104
- Complete Disassembly 105
- Typical locating marks 107
- Align this foam pad with 107
- Insert circuit board tabs 109
- Route battery cable into 109
- Troubleshooting 110
- Test here 111
- Backlight 114
- Executing Diagnostics 117
- Input Connections 118
- Other Troubleshooting 119
- Unpacking 122
- Repacking 122
- Electrical Parts List 127
- Diagrams 130
- Mechanical Parts List 133
- Module Servicing 134
- Abbreviations 134
- Mfr. Code to Manufacturer 134
- Cross Index 134
- Manufacturers Cross Index 135
- Replaceable Parts List 136
- Figure 10–1: Exploded diagram 137
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