Table Of Contents - HP 722A Operating And Service Manual

Model 722A
TABLE OF CONTENTS
Table of Contents
List of Illustrations and Tables
Section
,Page
V
MAINTENANCE
5-1
5-1. Introduction
5-1
5-3. Maintenance Procedures
5-1
5-4. Dustcover Removal .
5-1
5-6. Zero-Setting the Meter
5-1
5-8. Printed Circuit Board Removal
5-1
5-10. Test Equipment Required
5-1
5-12. Performance Check
5-1
5-14. Troubleshooting
.
5-1
5-15. Introduction
5-1
5-17. Trouble Analysis • 5-1
5-20. Detailed Test Procedure
5-5
5-23. Reference Voltage Adjustment
5-6
5-25. Monitoring
5-6
5-27. Voltage Range
5-6
5-29. Current Limit
5-6
5-32. Performance Test
5-6
5-34. Voltage Range
5-6
5-36.
Current Limiting.
.
5-7
5-38.
Operation Characteristics • 5-7
5-39. Ripple Characteristics
5-7
5-40.
Load Regulation
5-7
5-41.
Line Regulation
5-8
Section Page
I GENERAL INFORMATION . . . . 1-1
1- 1. Introduction . . . . . 1- 1
1-4. Description . . . . . 1-1
1-8. Differences in Equipment . . . . 1-1
1-10. Equipment Supplied . . . . 1-1
1-12. Other Modes of Operation . 1-1
II
PREPARATION FOR USE 2-1
2-1. Unpacking and Mechanical Inspection 2-1
2-4.
Site Selection and Installation
2-1
2-6. Line Power 2-1
2-8. Operation from 230-Volt Supply 2-1
2-11. Preparation for Storage and Shipment 2-1
2-14. Storage
2-1
2-16. Incoming Inspection &Perform. Test 2-1
III OPERATING INSTRUcrIONS 3-1
3-1. Operation
3-1
3-3. Current Limiting .
3-1
3-6. Remote Sensing
3-1
IV PRINCIPLES OF OPERATION 4-1
4-1.
Overall Block Diagram
4-1
4-3. Rectifying and Filtering Circuits 4-1
4-6. Series Regulator 4-2
4-8. Output Circuit
4-2
4-10. Voltage Regulating Circuit .
4-2
4-14. Current- Power Limiter . 4-2
4-18. Protection Circuits . 4-3
VI REPLACEABLE PARTS
6 -1. Introduction . . .
6 - 5. Ordering Information . .
6-1
6-1
6-1
01155-1
LIST OF ILLUSTRATIONS
Number Title
1-1. Model 722AR DC Power Supply.
3-1. Operating Controls . . . . . . . . .
3-2. Remote Sensing. . .
3-3. Charging Batteries .
3-4. Parallel Operation
4 -1. Simplified Schematic
4-2. Block Diagram. . . .
4-3. Current Power Limiter
5-1. Model 722A Bottom View
5-2. Model 722A Top View
5-3. Servicing Etched Circuit Boards .
5-4. Reference Power Supply (Schematic) .
5-5. Power Supply (Schematic) . . . • . .
LIST OF TABLES
Number Title
1-1. Specifications . . . . • . . .
5-1. Recommended Test Equipment
5-2. Troubleshooting Guide
5-3. Replacement Guide . . . . • . . • .
6-1. Reference Designation Index
6-2. Replaceable Parts . . . .
Page
1-1
3-0
3-1
3-1
3-1
4-0
4-1
4-3
5-2
5-3
5-4
5-9
5-10
Page
1-0
5-0
5-5
5-5
6-2
6-6
iii