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Chapter 6: Replacing Assemblies
To remove and replace the top cover
98
To remove and replace the top cover
Use this procedure to remove and replace the top cover. The graphics in this chapter are
representative of the oscilloscope at the time of this printing. Your unit may look different.
1
Disconnect the power cable.
2 Disconnect all oscilloscope probes and BNC input cables from the front panel.
3 Disconnect any other cables, such as mouse, keyboard, printer, or GPIB cables.
4 Remove the two Torx T20 screws securing the side handle.
5 Remove the four Torx T20 screws that secure the rear feet (two in each foot).
6 Remove the four Torx T20 screws that secure the top sleeve and the bottom sleeve to
the chassis.
7 Place the unit so the bottom is facing up.
8 Remove the eight Torx T10 screws that secure the bottom sleeve to the chassis.
9 Set the unit on its bottom. Carefully slide the top cover off of the frame by pulling the
front panel and the cover away from each other.
10 To replace the top cover, reverse the above procedure.
CAUTION PROPERLY TIGHTEN HANDLE AND SCREWS!
Torque the side handle and rear feet screws to 2 Nm (18 in-lb).
Figure 6-1
Top cover fasteners
2 Handle
Screws
(Torx T20)
Torx
T10
Torx
T20
Torx
T10
Torx
T20
Torx
T20
- 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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