Main
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WARRANTY
Service Assurance
Service Assurance Advantages
For Information and Ordering
THS710A, THS720A, THS730A & THS720P Service Manual i
Table of Contents
Specifications
Operating Information
Theory of Operation
Performance Verification
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List of Figures
List of Tables
General Safety Summary
To Avoid Fire or Personal Injury
Symbols and Terms
Battery Recycling
Service Safety Summary
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Preface
Related Manuals
Conventions
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Specifications
12 THS710A, THS720A, THS730A & THS720P Service Manual
THS710A, THS720A, THS730A & THS720P Service Manual 13
14 THS710A, THS720A, THS730A & THS720P Service Manual
THS710A, THS720A, THS730A & THS720P Service Manual 15
16 THS710A, THS720A, THS730A & THS720P Service Manual
THS710A, THS720A, THS730A & THS720P Service Manual 17
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Table 12: DMM specifications
THS710A, THS720A, THS730A & THS720P Service Manual 19
Table 12: DMM specifications (Cont.)
110 THS710A, THS720A, THS730A & THS720P Service Manual
Table 12: DMM specifications (Cont.)
Table 13: General specifications
THS710A, THS720A, THS730A & THS720P Service Manual 111
112 THS710A, THS720A, THS730A & THS720P Service Manual
THS710A, THS720A, THS730A & THS720P Service Manual 113
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Operating Information
Internal and External Power Sources
Using the Battery Pack
Using External Power
Understanding the Front Panel
Using Scope Mode
Using Meter Mode
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Using the Dedicated Buttons
Connecting and Using the Probes
Compensating the Oscilloscope Probes
Attaching the Reference Leads Correctly Beware of High Voltages
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Theory of Operation
Main Board
Inverter Board
Oscilloscope Signal Path Meter Signal Path Processor System Display System Power Supply
Display Module
Switch Assembly
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THS710A, THS720A, THS730A & THS720P Service Manual 41
Performance Verification
42 THS710A, THS720A, THS730A & THS720P Service Manual
Test Record
THS710A, THS720A, THS730A & THS720P Service Manual 43
Performance Verification Procedures
Signal Path Compensation
Execute Self Test
46 THS710A, THS720A, THS730A & THS720P Service Manual
3. Connect the TekScope instrument to the DC voltage source as shown below.
Check Oscilloscope DC Measurement Accuracy
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48 THS710A, THS720A, THS730A & THS720P Service Manual
Channel 1 Bandwidth
2. Connect the TekScope instrument to the leveled sine wave generator as shown below.
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Channel 2 Bandwidth
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Sample Rate and Delay Time Accuracy
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414 THS710A, THS720A, THS730A & THS720P Service Manual
2. Connect the TekScope instrument to the leveled sine wave generator as shown below.
Channel 1 Edge Trigger Sensitivity
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Channel 2 Edge Trigger Sensitivity
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THS710A, THS720A, THS730A & THS720P Service Manual 51
Adjustment Procedures
Required Equipment
The following equipment, or a suitable equivalent, is required to complete these procedures.
Overview of the Adjustment Process
Accessing the Adjustment-Lockout Jumper
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Oscilloscope Adjustment
Adjustment Procedures
56 THS710A, THS720A, THS730A & THS720P Service Manual
Square wave generator setup
Figure 52: Oscilloscope adjustment setups
Zero voltage setup
Oscilloscope Adjustment Procedure
Completing the Adjustment Process
Meter Adjustment
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Meter Adjustment Procedure
Completing the Adjustment Process
Replacing the Adjustment-Lockout Jumper
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Maintenance
Preparation
Preventing ESD
Inspection and Cleaning
General Care
Inspection and Cleaning Procedures
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Removal and Installation Procedures
Preparation
List of Modules
Maintenance
Summary of Procedures
66 THS710A, THS720A, THS730A & THS720P Service Manual
Tools Required
Tilt Stand
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Front-Panel Label
Front Cover
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Display Module
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Back Cover
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Complete Disassembly
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Troubleshooting
Adjustment After Repair Required Tools and Equipment
Begin Here
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Backlight
Display
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Executing Diagnostics
Input Connections
Other Troubleshooting
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Unpacking and Repacking Instructions
Unpacking
Storage
Repacking
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Options
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Mechanical Parts List
Parts Ordering Information
670-7918-XX
670-7918-03
Part Number Revision Level
Using the Replaceable Parts List
Module Servicing
Abbreviations Mfr. Code to Manufacturer Cross Index
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104 THS710A, THS720A, THS730A & THS720P Service Manual
Replaceable Parts List
Discontd Qty Name & Description Mfr.
Effective Serial No.
Number Serial No.
THS710A, THS720A, THS730A & THS720P Service Manual 105
Figure 101: Exploded diagram
106 THS710A, THS720A, THS730A & THS720P Service Manual
THS710A, THS720A, THS730A & THS720P Service Manual 107
Table 101: Replaceable standard accessories (Cont.)
