Agilent Technologies InfiniiVision 7000B Series Servisní příručka stáhnout pdf (Strana 62)

62 7000 Series Oscilloscopes Service Guide

3 Calibrating and Adjusting

Use 50Ω RG58AU or equivalent BNC cables when performing

User Cal.

a For a 2-channel oscilloscope, connect a BNC tee to the

equal length cables. Then connect a BNC(f)-to-BNC(f) (also

called a barrel connector) to the tee as shown below.

Figure 9 User Calibration cable for 2-channel oscilloscope

b For a 4-channel oscilloscope, connect BNC tees to the

equal-length cables as shown below. Then connect a

Longer cable

To Channel 1

To Channel 2

to TRIG OUT

7000 service guide.book Page 62 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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