Major Assembly and Component Locations

Major assembly and component location illustrations for the RF Section are located at the rear of this manual.

Troubleshooting

Troubleshooting information for the RF Section is divided into three levels as follows:

W Instrument Level

Spectrum Analyzer Overall Troubleshooting

w Section Level

RF Section Analog Troubleshooting

RF Section Digital Troubleshooting

A6 RF Module

A7 M/N-Reference/A22 10 MHz Frequency Standard

A10 20/30 Synthesizer

All YTO Loop

nAssembly Level

Most assemblies have troubleshooting hints immediately following circuit descriptions. Troubleshooting information is also located on assembly level block diagrams, notes, and schematics.

All assemblies are indexed by tab except for the ones listed below. The index tab they can be found under is also listed.

Table 1. Assembly Locations

AssemblyLocation

A24

I General Parts Listing

I

Tl A8 Rectifier/AS Power Line Module

Printed Circuit Board Edge Connector Contact Cleaning

Materials

w Lint-free cloth or equivalent (HP Part Number 9310-0039, Check Digit 3).

w Solution of 80% electronics-grade isopropyl alcohol and 20% water.

w Static-free work station.

Procedure

1.Dampen the cloth with the alcohol and water solution and scrub the edge connector contacts vigorously, using a circular motion. Polish one side of the board at a time until the contacts shine, keeping the cloth damp to dissolve contaminants and reduce static electricity.

General Information 3