General Information
Introduction
This volume of the Troubleshooting and Repair Manual contains information for the troubleshooting and repair of the RF Section of the instrument. This information is combined in service sheets and indexed with tabs for quick reference. Also contained in this volume
are overall troubleshooting information and illustrations of the instrument useful in isolating failures to the RF or
Instruments Covered by This Manual
This Troubleshooting and Repair manual contains information for the servicing of all
HP 85660B RF Sections with serial number prefixes of 2410A and above. The assemblies of the HP 8566AB Retrofit Kit (HP 8566A to HP 8566B Retrofit Kit) are also covered in this manual. The following HP 85660B RF Sections Options are covered in this manual.
nOption 001 (75fl Input)
nOption 400 (400 Hz Operation)
nOption 462 (Impulse Bandwidths)
Changes that are made to the HP 85660B after the printing of this manual will be included in an update supplement.
The HP 85660B RF Section is used with the HP 85662A
Service Sheets
The service sheets in this manual are organized in alphanumeric order and are indexed with tabs to make it easy to locate a specific service sheet. Each of the service sheets contain the following information:
w Circuit Description (where practical)
nReplacement Procedure (where practical) w Troubleshooting Hints (where practical) w Replaceable Parts List
nComponent Location Illustration
w Parts Identification (where practical)
nBlock Diagram (where practical)
General Information 1