Agilent Technologies 2948 A3 or A10 Output Assembly Phase Synchronization Option, Section Service

HP8904A Table of Contents

TABLE OF CONTENTS

Section 8

Service

Introduction To This Section	8-1
How The Section Is Organized	81.
Safety Considerations	81.
Service Tools, Helps, and Information	81.
Schematic Symbology and Schematic Diagram Notes	83.
Principles of Operation	8-15
Overall	8-15
A2 Digital Assembly	8-23
A3 Output Assembly	8-24
Troubleshooting	8-29
General	8-29
A2 Digital Assembly To A3 (or A10) Output Assembly Interface	8-30
A2 Digital Assembly To A1 Keyboard Assembly Interface	8-38
A2 Digital Assembly To A5 Display Assembly Interface	8-41
A3 or A10 Output Assembly	8-42
Phase Synchronization (Option 005)	8-42.1
How To Restore the Serial Number In a Replacement A2 Digital Assembly	. 8-43
How To Restore Options 001. 003. and 005 In A Replacement A2 Digital Assembly	. 8-46
How To Replace the Memory Backup Battery	8-48.1
Service Sheet 1 (Output Assembly)	8-51
Service Sheet 2 (Output Assembly	8-53
Service Sheet 3 (Output Assembly)	8-53
Service Sheet 4 (Output Assembly)	8-55
Service Sheet 5 (High Power Output Assembly	8-57