Agilent Technologies InfiniiVision 7000B Series Servisní příručka stáhnout pdf (Strana 68)

68 7000 Series Oscilloscopes Service Guide

4 Troubleshooting

Performing the checks listed here ensures that the signals

from the circuit under test will be seen by the oscilloscope.

Perform the remaining checks in this topic to make sure the

oscilloscope channels are on, and to obtain an automatic

setup.

✔ Check that the desired oscilloscope channels are turned on.

a Press the analog channel key until it is illuminated.

b On models with the MSO option, press the digital channels

(D15-D0) key until it is illuminated.

✔ Press the AutoScale key to automatically set up all channels.

7000 service guide.book Page 68 Thursday, October 16, 2008 12:18 PM

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Agilent InfiniiVision 1
7000 Series 1
Oscilloscopes 1
Manual Part Number 2
Warranty 2
Technology Licenses 2
Restricted Rights Legend 2
In This Service Guide 3
Contents 5
6 Service Guide 6
Service Guide 7 7
8 Service Guide 8
Service Guide 9 9
10 Service Guide 10
Service Guide 11 11
12 Service Guide 12
Agilent Technologies 13
Power Requirements 14
Measurement Category 15
Environmental Conditions 17
Specifications 18
Contact us 19
Testing Performance 21
Overview 22
List of Test Equipment 23
2 Testing Performance 24
Fluke MET/CAL Procedures 25
Conventions 25
Testing Performance 2 27
When to Test 29
What to Test 29
Verifying Test Results 29
, until the activity 32
(on oscilloscope 32
*1 LSB = 0.4% of full scale 33
To verify bandwidth 38
Ω×= 50 41
response(dB) = 20 log 42
To verify time scale accuracy 44
To verify trigger sensitivity 47
Generator 49
N to BNC adapter 49
Oscilloscope 49
Calibrating and Adjusting 59
3 Calibrating and Adjusting 60
User Calibration 61
Longer cable 62
To Channel 1 62
To Channel 2 62
User Cal Status 64
Troubleshooting 65
If there is no display 66
If there is no trace display 66
If you cannot see a channel 67
To check out the oscilloscope 70
AVOID INJURY 71
Perfectly compensated 73
Over compensated 73
Under compensated 73
Troubleshooting Flowchart 74
System board drawings 75
4 Troubleshooting 76
Signal Normal/Typical Result 79
To check the fan 80
To verify default setup 81
Replacing Assemblies 83
Removing the Handle 85
To remove the Adjustable Legs 86
To remove Cabinet 87
Replacing Assemblies 5 89
To remove the Fan assembly 99
To remove the power supply 102
To remove the AC input board 103
5 Replacing Assemblies 104
Replaceable Parts 105
Ordering Replaceable Parts 106
Exchange Assemblies 107
Exploded Views 108
Replaceable Parts 6 109
Figure 2 Exploded View 2 of 2 109
Replaceable Parts List 110
6 Replaceable Parts 112
*Optional item 114
Service Guide 115 115
116 Service Guide 116
Safety Notices 117
Safety Symbols 118

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