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Tektronix MSO64B User Manual
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Theory of operation
This chapter describes the electrical operation of the oscilloscope to the module level. The block diagram shows the
oscilloscope module interconnections.
Figure 1: 6 Series B MSO block diagram
Power supply
The Power Supply board converts AC line voltage to +12 V to power for all internal circuits.
Carrier interface assembly
The Carrier interface assembly contains the following functions:
Theory of operation
6 Series B MSO MSO64B, MSO66B, MSO68B Service
2
11
13
Table of Contents
Table of Contents
3
List of Figures
5
Important Safety Information
7
General Safety Summary
7
Service Safety Summary
9
Terms in the Manual
9
Terms on the Product
10
Symbols on the Product
10
Preface
11
Supported Products
11
Replaceable Parts
11
Where to Find Operating Information
11
Theory of Operation
12
Power Supply
12
Carrier Interface Assembly
12
Figure 1: 6 Series B MSO Block Diagram
12
Main Board and Front-End Board
13
Front Panel and Display
13
Adjustment Procedures
14
Adjustment
14
Adjustment Interval
14
Adjustment after Repair
14
Maintenance
15
Preventing ESD
15
Inspection and Cleaning
15
Exterior Cleaning (Other than Display)
15
Flat Panel Display Cleaning
16
Interior Cleaning
16
Table 1: External Inspection Checklist
16
Lubrication
17
Returning the Instrument for Service
17
Table 2: Internal Inspection Checklist
17
Removal and Replace Procedures
18
Required Equipment
18
Remove Front-Panel Knobs
18
Table 3: Required Equipment for Removal and Replacement
18
Remove SATA Riser Board Assembly
19
Remove Feet
19
Remove Handle
20
Remove Rear Grill and Case
20
Remove Rear Chassis Assembly
21
Remove the Baffle Bracket
22
Remove the Power Supply Assembly
22
Remove Carrier Interface Assembly
24
Remove the AFG Riser Assembly
27
Remove Handle Hub Assembly
28
Remove the Main Fan Assembly
28
Troubleshooting 6 Series MSO
29
Service Level
29
Check for Common Problems
29
Equipment Required
30
Troubleshooting Flow Chart
30
Table 4: Failure Symptoms and Possible Causes
30
Figure 2: Primary Troubleshooting Tree
31
Troubleshoot the Power Supply
32
Figure 3: Power Status Leds
32
Instrument Self Tests
34
Export Log Files
34
Download and Install the Latest Instrument Firmware
34
After Power Supply Module Replacement
35
Replaceable Parts
36
Parts Ordering Information
36
Module Servicing
36
Abbreviations
36
Using the Replaceable Parts List
36
Table 5: Parts List Column Descriptions
36
Front Cover and Rear Case
37
Figure 4: Front Cover and Rear Case Exploded View
37
Table 6: Front Cover and Rear Case
38
Carrier Interface Board and Rear Chassis
39
Figure 5: Carrier Interface Board and Rear Chassis Exploded View
39
Table 7: Carrier Interface Board and Rear Chassis
39
Baffle and Power Supply Module
41
Figure 6: Rear Chassis Baffle and Power Supply Exploded View
41
Table 8: Rear Chassis Baffle and Power Supply
41
MID-Plane Chassis
42
Figure 7: MID-Plane Chassis Exploded View
42
Table 9: MID-Plane Chassis
43
Front Panel and Display
44
Figure 8: Front Panel and Display Exploded View
44
Table 10: Front Panel and Display
44
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Tektronix MSO64B Specifications
General
Brand
Tektronix
Model
MSO64B
Category
Test Equipment
Language
English
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