HP 3720A - User Manual

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HP 3720A Specifications

General

Brand	HP
Model	3720A
Category	Measuring Instruments
Language	English

Summary

SECTION I INTRODUCTION

1-3 GENERAL SERVICING INSTRUCTIONS

SECTION II GENERAL MAINTENANCE

2-15 INSTRUMENT DISMANTLING

Safety warnings and procedures for safely dismantling the instrument.

2-29 CATHODE RAY TUBE REMOVAL;REPLACEMENT

Safety precautions and step-by-step guide for CRT removal and replacement.

2-30 LINE TRANSFORMER REMOVAL;REPLACEMENT

2-33 REPAIR PROCEDURES

Recommendations and precautions for repairing circuit boards and ICs.

SECTION IV SYSTEM TROUBLESHOOTING

4-2 DIAGNOSTIC PROCEDURE

Steps to identify faulty instruments in the 3721A/3720A system.

4-8 TEST EQUIPMENT

4-10 LOGIC PROBE

4-12 SYSTEM TROUBLESHOOTING CONTROLS SET-UP

Procedure for setting instrument controls before troubleshooting.

4-14 FLOW A - Control Faults

Troubleshooting flowchart for identifying control-related faults.

4-19 FLOW C - Data Transfer Faults

Troubleshooting flowchart for diagnosing data transfer issues.

4-21 FLOW D - Other Transferred Signals Faults

Troubleshooting flowcharts for faults in transferred signals.

4-25 FLOW D(b) - Gain Correction Factors Transfer Faults

4-27 FLOW D(c) - Signal Recovery Transfer Faults