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54831A
Agilent Technologies 54831A Service Guide
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Chapt
er 8
: T
heory
of
Op
erat
ion
8–2
Figure 8-1
Os
cillosco
pe Block
Diagram Sh
own for O
riginal C
onfigura
tion w/1.
44 MByte F
loppy Driv
e
158
160
Table of Contents
Table of Contents
8
1 General Information
12
Test Equipment Requirements
12
Accessories Supplied
14
Options Available
15
Accessories Available
16
Specifications & Characteristics
17
Agilent Technologies 54830 Series General Characteristics
24
Recommended Test Equipment
26
Preparing for Use
28
To Inspect Package Contents
30
To Connect Power
32
To Connect the Mouse, the Keyboard, a LAN Cable, a Printer, and a GPIB Cable
35
To Connect Oscilloscope Probes
37
To Connect the Digital Probe
39
Digital Probe Lead Set
40
To Tilt the Oscilloscope Upward for Easier Viewing
42
To Turn on the Oscilloscope
43
To Turn off the Oscilloscope
44
To Verify Basic Oscilloscope Operation
45
Installing Application Programs on Infiniium
46
Changing Windows System Settings
47
To Clean the Oscilloscope
48
Testing Performance
50
Default Chapter
51
Equipment Required
51
Self-Test Verification
51
Testing Interval
51
3 Testing Performance
52
Test Record
52
Operating Hints
52
Specifications
52
Performance Test Procedures
52
To Test the DC Calibrator
53
Procedure
53
To Test Input Resistance
55
Procedure
55
To Test Voltage Measurement Accuracy
56
Procedure
56
To Test Offset Accuracy
60
Procedure
60
To Test Bandwidth
62
Equivalent Time Test
62
Real Time Test
63
To Test Time Measurement Accuracy
64
Equivalent Time Mode Procedure
64
Real Time Mode Procedure
69
To Test Trigger Sensitivity
71
Internal Trigger Test
71
Procedure-External Trigger Test (2-Channel Models Only)
73
Procedure-Auxiliary Trigger Test (4-Channel Models Only)
74
To Verify Threshold Accuracy
75
Performance Test Record
79
4 Calibrating and Adjusting
82
To Run the Self Calibration
84
Troubleshooting
86
ESD Precautions
87
Keystroke Conventions
87
Safety
87
Tools Required
87
5 Troubleshooting
88
To Install the Fan Safety Shield
88
Default Setup
88
To Troubleshoot the Oscilloscope
89
Primary Trouble Isolation
91
No Display Trouble Isolation
95
Power Supply Trouble Isolation
96
To Check Probe Power Outputs
98
To Check the Keyboard; Troubleshooting Procedure
99
To Check the Leds
100
To Check the Motherboard, CPU, and RAM
101
To Check the Display Board Video Signals
102
To Check the Backlight Inverter Voltages
103
To Configure the Motherboard Jumpers and Setup BIOS
104
To Troubleshoot the Acquisition System
107
Software Revisions
109
Replacing Assemblies
110
ESD Precautions
111
Tools Required
111
To Return the Oscilloscope to Agilent Technologies for Service
112
To Remove and Replace the Cover
113
To Remove and Replace the Bottom Sleeve
115
To Disconnect and Connect Mylar Flex Cables
117
To Remove and Replaced the CD-ROM Drive
118
To Remove and Replace the Autoprobe Assembly
120
To Remove and Replace the Internal Digital Input Cable (MSO Models Only)
122
To Remove and Replace the Backlight Inverter Board
123
To Remove and Replace the Front Panel Assembly
124
To Remove and Replace the Keyboard and Flat-Panel Display Assemblies
128
To Remove and Replace the Acquisition Board Assembly
131
To Remove and Replace the Interface and GPIB Board
133
To Remove and Replace the Oscilloscope Graphics Board and Display Board
134
To Remove and Replace the Floppy Disk Drive
135
To Remove and Replace the Hard Disk Drive
136
To Remove and Replace the Motherboard
137
To Remove and Replace the Power Supply
138
To Remove and Replace the Fan Controller Board
140
To Remove and Replace a Fan
141
To Remove and Replace the Probe Power and Control Assembly
142
7 Replaceable Parts
144
Ordering Replaceable Parts
145
Power Cables and Plug Configurations
146
Exploded Views
148
Replaceable Parts List
153
Theory of Operation
158
Block-Level Theory
160
Acquisition System
161
Attenuators
161
Disk Drives
161
FPD Monitor Assembly
161
Front Panel
161
Power Supply Assembly
161
Display Board
162
Motherboard
162
Probe Power and Control
162
Acquisition Theory
164
Acquisition Board
164
Attenuator Theory
164
Acquisition Modes
165
Interface and GPIB Board (A21)
166
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Agilent Technologies 54831A Specifications
General
Brand
Agilent Technologies
Model
54831A
Category
Test Equipment
Language
English
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