Agilent Technologies 8000 Series Dokumentacja Pobierz pdf (Strona 53)

Chapter 3: Testing Performance

To verify threshold accuracy

“Oscilloscope Threshold Voltage Setting” in Table 1 on page 55.

Close the Digital Setup dialog.

l Set the horizontal time scale.

Select the horizontal scale setting (near the bottom of the display).

In the Enter Scale dialog, enter either 200 or 500 and then select p.

• For MSO/DSO8064A models, enter 500 and then select p.

• For MSO/DSO8104A models, enter 200 and then select p.

Select horizontal

scale setting

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 161 162

Service Guide 1
In This Book 5
Contents 7
6 Replacing Assemblies 8
7 Replaceable Parts 8
8 Theory of Operation 8
General Information 10
Accessories supplied 13
Accessories available 14
Options available 15
± 5°C from the temperature 16
Environmental Conditions 17
Measurement Category 17
Oscilloscope Dimensions 18
Preparing for Use 19
Setting Up the Oscilloscope 20
To inspect package contents 21
Figure 2-1 21
To connect power 22
Attaching the Probe Connector 25
Probing the Circuit 26
To connect the digital probe 28
Digital probe lead set 29
40-pin Connector Pinout 30
Figure 2-14 31
To turn on the oscilloscope 32
To turn off the oscilloscope 32
Probe Compensation 33
To clean the oscilloscope 35
Testing Performance 37
Clear Display 39
Averaging 39
Specifications 39
Performance Test Procedures 39
Fluke MET/CAL Procedures 39
To test the DC calibrator 40
To test input resistance 42
Connect the equipment 43
Select Close 45
(Supply) Minimum Maximum 45
Set the scale from the 46
Set the offset from the 46
To test bandwidth 47
To verify threshold accuracy 49
Connections 50
High-to-Low Transitions 55
Threshold Voltage Setting V2 56
Low-to-High Transitions 57
To test time scale accuracy 59
Oscilloscope 60
Sine Wave Source 60
Frequency Reference 60
Agilent Technologies 64
Range Supply Limits 65
Performance Test Record 66
Calibrating and Adjusting 67
To run the self calibration 69
Troubleshooting 71
Default Setup 73
54830F01a 75
Primary Trouble Isolation 76
Run oscilloscope self-tests 77
Self Calibration 78
Performance” on page 37 78
No Display Trouble Isolation 79
Input Pin # 7 65432 1 81
Replace any shorted assembly 84
Replace the power supply 84
To check probe power outputs 85
To Check the keyboard 86
To check the LEDs 87
Intel D915GUX Motherboard 88
To Reset 89
5 and 7 89
To setup the BIOS 91
Figure 5-12 93
Software Revisions 94
Replacing Assemblies 95
Bottom sleeve fasteners 99
Removing bottom sleeve 100
Connecting Mylar flex sables 101
Disconnecting W8 104
Access Hole 105
Removing the BNC nuts 108
Figure 6-17 112
Opening in side of 131
Fan control board cables 131
Acquisition board cables 131
Figure 6-32 132
Lift board out of chassis 134
To remove and replace a fan 135
Mylar flex cables 136
T10 Torx Screws 136
Replaceable Parts 137
Power Cords 139
Exploded Views 140
Replaceable Parts List 145
Theory of Operation 149
Figure 8-1 150
Logic Trigger 154
Attenuator Theory 155
Acquisition Theory 155
• Trigger levels 156

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