HP 6205B 57

TM 11-6625-2965-14&P

Figure A-1. Models 6200B, 6204B, and 6205B* Overvoltage Protection “Crowbar”

*For Model 6205B the above circuit is duplicated on each half of the assembled board, 06205-60021.

D-4

Contents

Page Page POWER SUPPLY PP-7548/U (HEWLETT-PACKARDMODEL) (NSN 6625 - 00 - 437 - 4861) TABLE OF CONTENTS LIST OF TABLES Page 1-1 D E S C R I P T I O N TM 11-6625-2965-14&P 1-6SPECIFICATIONS 1 - 8 O P T I O N S 1-10ACCESSORIES C05 1-12INSTRUMENT AND SERVICE MANUAL IDENTIFICATION 1-15ORDERING ADDITIONAL MANUALS Page SECTION INSTALLATION Page 2-17INPUT POWER REQUIREMENTS 2-24REPACKAGING FOR SHIPMENT SECTION Ill OPERATING INSTRUCTIONS NOTE of the power supply 3-16OPTIONAL OPERATING MODES C A U T I O N Page Page Page TM 1 I-6625-2965-14&P PRINCIPLES OF OPERATION 4-8DETAILED CIRCUIT ANALYSIS 4-13SERIES REGULATOR 4-15CONSTANT VOLTAGE COMPARATOR 4-26REFERENCE CIRCUIT 11-6625-2965-14&P 4-29METER CIRCUIT (Figure 4-2) Page MAINTENANCE 5-8TEST EQUIPMENT REQUIRED CAUTION 5-10PERFORMANCE TEST Page Page Page Page Page 5-48TROUBLESHOOTING Page Page 5-58REPAIR AND REPLACEMENT 5-60ADJUSTMENT AND CALIBRATION Page Page REPLACEABLE PARTS Page Page Page Page Page Page Page CIRCUIT DIAGRAMS Page N/A APPENDIX C MAINTENANCE ALLOCATION Section 1. INTRODUCTION C -1.General C-2.Maintenance Function C-5 Page Page Page APPENDIX D MANUAL BACKDATING CHANGES