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Rohde & Schwarz FSP40 User Manual

Rohde & Schwarz FSP40
254 pages
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1164.4556.82-02-
Printed in Germany
Test and Measurement Division
Service Manual Instrument
Spectrum Analyzer
R&S
®
FSP3
1164.4391.03
R&S
®
FSP30
1164.4391.30/.39
R&S
®
FSP7
1164.4391.07
R&S
®
FSP31
1164.4391.31
R&S
®
FSP13
1164.4391.13
R&S
®
FSP40
1164.4391.40

Table of Contents

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Rohde & Schwarz FSP40 Specifications

General IconGeneral
BrandRohde & Schwarz
ModelFSP40
CategoryMeasuring Instruments
LanguageEnglish

Summary

Service Manual Instrument

Tabbed Divider Overview

Safety Instructions

Provides essential safety guidelines and precautions for operating the instrument.

General Safety Instructions

Detailed Safety Instructions

Fundamental Safety Instructions

Outlines basic safety instructions for operating and handling the product.

Performance Test Details

1 Performance Test

The main section detailing the performance testing procedures.

R&S FSP Performance Test Procedures

Checking Reference Frequency Accuracy

Procedure to check the accuracy of the reference frequency.

Checking Immunity to Interference

Procedure to test the instrument's immunity to interference.

IF Rejection Tests

1st IF Image Frequency Rejection

Procedure to measure the 1st IF image frequency rejection.

2nd IF Image Frequency Rejection

Procedure to measure the 2nd IF image frequency rejection.

3rd IF Image Frequency Rejection

Procedure to measure the 3rd IF image frequency rejection.

RF and IF Rejection Tests

1st IF Rejection

Procedure to measure the 1st IF rejection.

2nd IF Rejection

Procedure to measure the 2nd IF rejection.

Nonlinearity Tests

Checking Nonlinearities

Procedure to check for nonlinearities in the instrument's performance.

Third Order Intercept Point

Measurement of the Third Order Intercept Point (TOI).

Filter and Accuracy Tests

Checking IF Filters

Procedure to check the performance of the IF filters.

Checking Bandwidth Switching Level Accuracy

Procedure to verify the accuracy of bandwidth switching level.

Checking Level Accuracy

Procedure to check the accuracy of the instrument's level measurements.

Bandwidth and Shape Factor Tests

Checking Bandwidth

Procedure to measure the bandwidth of the instrument.

Checking Shape Factor

Procedure to determine the shape factor of the instrument's filters.

Noise Display Test

Checking Noise Display

Procedure to check and display the instrument's noise characteristics.

Level Accuracy and Frequency Response

Checking Level Accuracy and Frequency Response

Procedure to check level accuracy and frequency response.

Frequency Response Measurement

Checking frequency response

Procedure to measure the instrument's frequency response.

Level Accuracy at 128 MHz

Determining the level accuracy at 128 MHz

Steps to determine level accuracy at 128 MHz with preamplifier.

Chapter 3 Repair Overview

Module Replacement Procedures

Instructions for replacing various modules within the instrument.

Module Replacement Procedures

Module Replacement Overview

Introduction to module replacement and spare parts.

Module Overview and Replacement

Cold Boot Procedure

Front Module Controller Replacement

Replacing the Front Module Controller A90

Procedure for replacing the front module controller.

Front Module Controller Removal

Installing New Front Module Controller

Lithium Battery Replacement

Replacing the Lithium Battery

Procedure for replacing the lithium battery on the front module controller.

Lithium Battery Removal

New Battery Installation

Hard Disk Replacement

Replacing Hard Disk A60

Procedure for replacing the hard disk.

LCD and DC/AC Converter Replacement

Replacing the LCD and DC/AC Converter

Procedure for replacing the LCD and DC/AC converter.

New LCD and DC/AC Converter Installation

Keyboard Membrane Replacement

Replacing the Keyboard Membrane or Mat

Procedure for replacing the keyboard membrane or mat.

New Membrane Installation

Labelling Panel Replacement

Replacing the Labelling Panel on the Front Module

Procedure for replacing the front module labelling panel.

Floppy Disk Drive Replacement

Replacing the Floppy Disk Drive A30

Procedure for replacing the floppy disk drive.

Power Supply Replacement

Replacing the Power Supply A20

Procedure for replacing the power supply unit.

Fan Replacement

Replacing the Fan

Procedure for replacing the instrument fan.

RF Input Connector Replacement

Replacing the RF Input Connector (Cable W1)

Procedure for replacing the RF input connector.

Motherboard Replacement

Replacing the Motherboard A10

Procedure for replacing the motherboard.

New Motherboard Installation

RF Attenuator Module Replacement

Replacing the Module RF Attenuator A40

Procedure for replacing the RF attenuator module.

Key/Probe and Vol./Phone Board Replacement

Replacing Key/Probe Module A80 and Vol./Phone Board A191 (Option R&S FSP-B3)

Procedure for replacing Key/Probe and Vol./Phone boards.

New Module Installation

RF Frontend Replacement

Replacing the RF Frontend A100

Procedure for replacing the RF frontend module.

Detector Replacement

Replacing the Detector A120 or A140 (Option R&S FSP-B70)

Procedure for replacing the detector board.

IF Filter Replacement

Replacing the IF Filter A130

Procedure for replacing the IF filter board.

MW Converter Unit Replacement

Replacing the MW Converter Unit A160

Procedure for replacing the MW converter unit.

Diplexer Replacement (8 GHz)

Replacing Diplexer A162; R&S FSP7

Procedure for replacing the 8 GHz diplexer.

YIG Unit Replacement (8 GHz)

Replacing 8 GHz YIG Unit A161; R&S FSP7

Procedure for replacing the 8 GHz YIG unit.

MW Converter and YIG Filter Maintenance

RF Extension Replacement (13/30 GHz)

Replacing RF Extension 13/30 A162; R&S FSP13/30

Procedure for replacing RF Extension 13/30.

RF Extension Replacement (40 GHz)

Replacing RF Extension 40 A162; R&S FSP40

Procedure for replacing RF Extension 40.

AF Demodulator Replacement

Replacing AF Demodulator A190 (Option R&S FSP-B3)

Procedure for replacing the AF Demodulator.

OCXO Replacement

Replacing the OCXO A200 (Option R&S FSP-B4)

Procedure for replacing the OCXO module.

Trigger Module Replacement

Replacing Trigger A230 (Option R&S FSP-B6)

Procedure for replacing the Trigger module.

Tracking Generator Replacement

Replacing the Tracking Generator A170 (Option R&S FSP-B9)

Procedure for replacing the Tracking Generator module.

External Generator Control Replacement

Replacing the External Generator Control A210 (Option R&S FSP-B10)

Procedure for replacing the External Generator Control board.

Wideband Calibrator Replacement

Replacing Wideband Calibrator A190 (Option R&S FSP-B15)

Procedure for replacing the Wideband Calibrator.

LAN Adapter Replacement

Replacing the LAN Adapter (Option R&S FSP-B16)

Procedure for replacing the LAN adapter.

Compact Flash Board Replacement

Replacing Compact Flash Board S-ATA A60 (Option R&S FSP-B18)

Procedure for replacing the Compact Flash Board.

Flash Disk Replacement

Replacing Flash Disk A60 (Option R&S FSP-B20)

Procedure for replacing the flash disk.

External Mixer Board Replacement

Replacing External Mixer Board A180 (Option B21)

Procedure for replacing the external mixer board.

Electronic Attenuator Replacement

Replacing the Electronic Attenuator A50 (Option R&S FSP-B25)

Procedure for replacing the electronic attenuator.

DC/DC Converter Replacement

Replacing the DC/DC Converter (Option R&S FSP-B30)

Procedure for replacing the DC/DC converter.

Battery Charger Module Replacement

Replacing the Battery Charger Module (Option R&S FSP-B31/32)

Procedure for replacing the battery charger module.

Battery Replacement

Replacing the Batteries (Option R&S FSP-B31/32)

Procedure for replacing the instrument batteries.

Troubleshooting Guide

Troubleshooting Introduction

General information on troubleshooting and recommendations.

Start-up Problem Troubleshooting

Troubleshooting Start-up Problems

Guidance for resolving issues when the R&S FSP cannot be switched on.

Troubleshooting Short Circuits

Procedure to check for short circuits in operating voltages.

Boot Process Troubleshooting

Troubleshooting Problems with Boot Process

Guidance for resolving issues during the instrument boot process.

Hard Disk Error Troubleshooting

Operating System Startup Issues

Firmware Loading and Detector Board Issues

Hardware Initialization Errors

Module EEPROM Loading Errors

Troubleshooting - Loading Module EEPROMs

Troubleshooting steps for errors when loading module EEPROM data.

Calibration Data Loading Errors

Selftest Procedures

Troubleshooting via Selftest

Using the selftest feature to identify instrument errors.

Selftest Design and Error Messages

Operating Voltage Checks

Operating Voltages

Checks for operating voltages and error conditions.

Power Supply Voltage Checks

Details voltage checks for the power supply.

Regulated Voltages on Boards

Checks for regulated voltages on detector and IF filter boards.

Temperature Measurement Troubleshooting

Temperature Measurement on IF Filter

Procedure for temperature measurement on the IF filter.

D/A Converter Test

Checking the 4-fold D/A Converter on the Detector Board.

Procedure to check the 4-fold D/A converter on the detector board.

Reference Signal Testing

Testing the Reference Signals

Testing reference signals on frontend and IF filter modules.

128 MHz Input Level Check

Checking the 128 MHz input level for FATAL ERROR.

Calibration Signal Troubleshooting

Calibration signal level:

Troubleshooting calibration signal level errors.

Control voltage of calibration signal:

Troubleshooting control voltage errors for calibration signal.

Signal Path Testing

Testing the Signal Paths

Overview of the signal path testing sequence.

Signal Path via RF Attenuator

Troubleshooting signal path continuity through the RF attenuator.

IF Filter Signal Path Tests

Signal Paths on the IF Filter Board

Testing signal paths on the IF filter board.

Input Level of IF Filter / Calibration Amplifier

Checking input level for IF filter and calibration amplifiers.

LC and XTAL Filter Tests

LC Filter I and XTAL Filter Selftest Detector B

Testing LC and XTAL filters using Detector B.

Step Gain Tests

Step Gain (IF Amplifier) Selftest Detector C

Testing step gain of the IF amplifier using Detector C.

Frontend 1 Troubleshooting

Troubleshooting Frontend 1

Diagnosing common errors related to Frontend 1.

Signal Missing or Incorrect Frequency

Troubleshooting for missing signals or incorrect frequency display.

MW Converter Troubleshooting

Troubleshooting – MW Converter

Diagnosing common errors related to MW converters.

Level Conditions on MW Converter

Troubleshooting low or missing signal levels on MW converters.

Level Conditions on Diplexer

Troubleshooting level conditions related to the diplexer.

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