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TDS7104
Tektronix TDS7104 Service Manual
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Ser
vic
e
Manual
TDS7000
Se
rie
s
Digital
Phosp
hor
Oscilloscopes
(TD
S7104
&
TDS7054)
071-071
1-03
Th
is
do
cu
men
t
app
lies
to
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are
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and
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ualified
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y
,
do
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rm
an
y
serv
icing
un
less
yo
u
are
q
ualified
to
do
so.
R
efer
to
all
safety
su
mmaries
p
rior
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rmin
g
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ice.
www
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2
Table of Contents
Table of Contents
5
List of Tables
12
Default Chapter
15
General Safety Summary
15
Service Safety Summary
17
Manual Conventions
19
Manual Structure
19
Preface
19
Related Documentation
20
Contacting Tektronix
21
Specifications
23
Product and Feature Description
23
Table 1- 1: TDS7000 Models
23
Acquisition Features
24
Display Features
25
Measurement Features
25
Trigger Features
25
Convenience Features
26
Specification Tables
27
Table 1- 2: Channel Input and Vertical Specifications
27
Table 1- 3: Horizontal and Acquisition System Specifications
32
Table 1- 4: Trigger Specifications
34
Table 1- 5: Display Specifications
37
Table 1- 6: Input/Output Port Specifications
38
Table 1- 7: Data Storage Specifications
40
Table 1- 8: Power Source Specifications
40
Table 1- 9: Mechanical Specifications
41
Table 1- 10: Environmental Specifications
42
Table 1- 11: Certifications and Compliances
43
Operating Information
45
Installation
45
Before You Start
45
Connect the Peripherals
46
Table 2- 1: Additional Accessory Connection Information
46
Figure 2- 1: Locations of Peripheral Connectors on Rear Panel
47
Power on the Instrument
48
Figure 2- 2: Line Fuse and Power Cord Connector Locations, Rear Panel
48
Table 2- 2: Line Fuses
48
Powering off the Oscilloscope
49
Create an Emergency Startup Disk
49
Figure 2- 3: On/Standby Switch Location
49
Software Installation
50
Operating Information
51
Back up User Files
51
User Interface Map
51
Front Panel Controls Map
53
Front Panel I/O Map
54
Instrument Diagnostics
54
Signal Path Compensation
54
Using the Online Help
55
Theory of Operation
57
Logic Conventions
57
Module Overviews
57
General
57
Input Signal Path
57
Display Panel
58
Front Panel
58
Rear Panel
59
Low Voltage Power Supply
59
Fans
59
Performance Verification
61
Conventions
62
Figure 4- 1: Toolbar and Menu Bar
63
Brief Procedures
65
Self Tests
65
Functional Tests
66
Verify All Input Channels
67
Figure 4- 2: Universal Test Hookup for Functional Tests - CH 1 Shown
67
Figure 4- 3: Channel Button Location
68
Verify the Time Base
70
Figure 4- 4: Setup for Time Base Test
70
Verify the a (Main) and B (Delayed) Trigger Systems
72
Figure 4- 5: Setup for Trigger Test
72
Verify the File System
73
Figure 4- 6: Setup for the File System Test
74
Performance Tests - Semi-Automated Method
77
Table 4- 1: Required Equipment and Materials
77
Overview of the Procedure
79
Table 4- 2: Test Sequence Overview
79
Initial Instrumentation Setup
80
Figure 4- 7: Initial Setup
80
Table 4- 3: GPIB Devices Required by Test Program
81
Test Program Installation
82
Test Program Execution
83
Figure 4- 8: Setup to Characterize Signal Source Outputs
83
Figure 4- 9: Setup to Check Delay between Channels
84
Figure 4- 10: Setup to Check Delta Time Accuracy
84
Performance Tests 4
84
Figure 4- 11: Setup to Check Probe Compensation Output
85
Figure 4- 12: Setup to Check Analog Signal Output
85
Figure 4- 13: Setup to Check Auxiliary Output
85
Performance Tests
87
Prerequisites
87
Equipment Required
88
Table 4- 4: Test Equipment
88
TDS7000 Test Record
90
Signal Acquisition System Checks
95
Check DC Voltage Measurement Accuracy
95
Figure 4- 14: Initial Test Hookup
96
Table 4- 5: DC Voltage Measurement Accuracy
97
Figure 4- 15: Measurement of DC Accuracy at Maximum Offset and Position
98
Check DC Gain Accuracy
99
Figure 4- 16: Initial Test Hookup
99
Table 4- 6: Gain Accuracy
101
Figure 4- 17: Measurement of DC Gain Accuracy
102
Check Analog Bandwidth
103
Figure 4- 18: Initial Test Hookup
104
Figure 4- 19: Optional Initial Test Hookup
104
Table 4- 7: Analog Bandwidth
106
Figure 4- 20: Measurement of Analog Bandwidth
107
Check Delay between Channels
108
Figure 4- 21: Initial Test Hookup
109
Figure 4- 22: Measurement of Channel Delay
111
Check Channel Isolation (Crosstalk)
112
Table 4- 8: Delay between Channels Worksheet
112
Figure 4- 23: Initial Test Hookup
113
Time Base System Checks
117
Figure 4- 24: Initial Test Hookup
117
Figure 4- 25: Measurement of Accuracy - Long-Term and Delay Time
119
Figure 4- 26: Initial Test Hookup for External Reference
120
Reference
121
Figure 4- 27: Final Test Hookup for External Reference Input
121
Check Delta Time Measurement Accuracy
122
Figure 4- 28: Delta Time Accuracy Test Hookup
122
Table 4- 9: Delta Time Measurement
124
Trigger System Checks
125
Check Time Accuracy for Pulse, Glitch, Timeout, and Width Triggering
125
Check Sensitivity, Edge Trigger, DC Coupled 4
129
Output Signal Checks
134
Check Probe Compensation Output 4
137
Sine Wave Generator Leveling Procedure
141
Adjustment Procedures
145
Adjustment Interval
145
Adjustment Environment
145
Adjustment Dependencies
145
Adjustment after Repair
145
Table 5- 1: Adjustments Required for Module Replaced
145
Required Equipment
146
Table 5- 2: Required Equipment and Materials
146
Overview of the Procedure
147
Instrumentation Setup
148
Table 5- 3: GPIB Devices Required by Test Program
150
Table 5- 4: Renaming the GPIB Devices
152
Adjustment Program Installation
153
Table 5- 5: Setting the GPIB Addresses
153
Adjustment Program Execution
154
Maintenance
155
Preventing ESD
155
Inspection and Cleaning
156
General Care
156
Interior Cleaning
156
Exterior Cleaning
156
Flat Panel Display Cleaning
157
Table 6- 1: External Inspection Check List
157
Table 6- 2: Internal Inspection Check List
158
Removal and Installation Procedures 6
158
Removal and Installation Procedures
161
Preparation
161
Table 6- -3: Tools Required for Module Removal
162
Procedures for External Modules
163
Procedures for Outer-Chassis Modules
174
Troubleshooting
205
Check for Common Problems
205
Table 6- -4: Failure Symptoms and Possible Causes
205
Equipment Required
207
Fault Isolation Procedure
207
Table 6- -5: Power Supply Voltages
210
PPC and NLX PC Diagnostics
212
Firmware Updates
216
After Repair
217
BIOS Error Messages (Bali NLX)
217
BIOS Error Messages (Radisys NLX)
218
BIOS Beep Codes (Bali NLX)
221
BIOS Beep Codes (Radisys NLX)
222
Dip Switch Controls
222
Diagnostic LED
223
Troubleshooting Using Reset Circuits
225
Update/Restore the NLX Board CMOS
227
Installing an Authorization Key
228
Hard Disk Drive Maintenance
229
Repackaging Instructions
231
Packaging
231
Shipping to the Service Center
231
Options
233
Options and Accessories
233
Accessories
234
Electrical Parts List 8
237
Diagrams 9
239
Parts Ordering Information
241
Using the Replaceable Parts List
242
Other manuals for Tektronix TDS7104
User Manual
480 pages
Reference Manual
23 pages
5
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Tektronix TDS7104 Specifications
General
Brand
Tektronix
Model
TDS7104
Category
Test Equipment
Language
English
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