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Tektronix THS710A, THS720A, THS720P, THS730A - page 104

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Maintenance

6–22 THS710A, THS720A, THS730A & THS720P Service Manual

Dress wires from battery

pack through slots

Retain connectors

between pins

Locate ferrite

bead in cavity

Figure 6–13: Routing the battery wires

Contents

Main Page 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 Page List of Figures List of Tables General Safety Summary To Avoid Fire or Personal Injury Symbols and Terms Battery Recycling Service Safety Summary Page Preface Related Manuals Conventions Page 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 18 THS710A, THS720A, THS730A & THS720P Service Manual 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 Page Page Operating Information Internal and External Power Sources Using the Battery Pack Using External Power Understanding the Front Panel Using Scope Mode Using Meter Mode Page Page Using the Dedicated Buttons Connecting and Using the Probes Compensating the Oscilloscope Probes Attaching the Reference Leads Correctly Beware of High Voltages Page Theory of Operation Main Board Inverter Board Oscilloscope Signal Path Meter Signal Path Processor System Display System Power Supply Display Module Switch Assembly Page 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 Page 48 THS710A, THS720A, THS730A & THS720P Service Manual Channel 1 Bandwidth 2. Connect the TekScope instrument to the leveled sine wave generator as shown below. Page Channel 2 Bandwidth Page Sample Rate and Delay Time Accuracy Page 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 Page Channel 2 Edge Trigger Sensitivity Page Page Page Page Page Page Page Page Page 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 Page 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 Page Meter Adjustment Procedure Completing the Adjustment Process Replacing the Adjustment-Lockout Jumper Page Page Maintenance Preparation Preventing ESD Inspection and Cleaning General Care Inspection and Cleaning Procedures Page Page Removal and Installation Procedures Preparation List of Modules Maintenance Summary of Procedures 66 THS710A, THS720A, THS730A & THS720P Service Manual Tools Required Tilt Stand Page Front-Panel Label Front Cover Page Page Page Page Display Module Page Page Back Cover Page Page Page Complete Disassembly Page Page Page Page Troubleshooting Adjustment After Repair Required Tools and Equipment Begin Here Page Page Page Backlight Display Page Executing Diagnostics Input Connections Other Troubleshooting Page Page Unpacking and Repacking Instructions Unpacking Storage Repacking Page Options Page Page Page Page Page Page Page Page 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 Page 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.)