Rohde-schwarz-sme-service-manual-book4 CHAPT9 – Service manual (PDF)

Erik from ManualsPlus — Sat, 13 Dec 2025 10:18:40 +0000

The service manual for the Rohde & Schwarz Multifunktionsgenerator SM-B6 covers the setup and operation of the device, including the use of a digital signal processor for generating complex modulation signals and the configuration of various D/A converter branches for signal output. It also provides troubleshooting guidance, detailing diagnostic functions and the use of specific measuring instruments to identify and resolve issues within the signal paths.

Brand: Rohde-schwarz-sme-service-manual-book4
Model: CHAPT9
Type: service manual
File size: 7.8 MB

Manual Overview

The Rohde & Schwarz SME Service Manual, Chapter 9, focuses on troubleshooting, diagnostics, calibration, and adjustments for the Multifunction Generator SM-B6. The manual provides a detailed functional description of the signal processing components, including the digital signal processor (DSP), parallel and serial D/A converter branches, and output amplifiers. Troubleshooting is facilitated through a diagnostic function that allows for the testing of individual signal paths. The manual outlines specific error codes and diagnostic procedures to identify and rectify faults within the system. Calibration and adjustment procedures are detailed for various components, such as DAC offset and amplitude adjustments, as well as frequency response checks for filters. Board-level guidance includes the configuration of the DSP and its interfaces, ensuring proper signal generation and modulation. Essential tools for service include voltmeters, oscilloscopes, spectrum analyzers, and audio analyzers, which are necessary for accurate measurement and adjustment tasks. The manual emphasizes the importance of precise calibration to maintain optimal performance of the signal generator.

Quick Issues Covered

Diagnose A/D-Wandler for signal path troubleshooting.
Calibration of DAC1 and DAC2 offset and amplitude.
Verification of spectral signal characteristics and modulation signals.

Overview

The product is the Multifunktionsgenerator SM-B6, which serves as an advanced modulation source for complex signals such as VOR, ILS, and Stereo Multiplex Modulation. The manual covers the functional description of the device, including its digital signal processor, D/A converters, and output amplifiers. It also details the testing and adjustment procedures, troubleshooting, and the use of measurement devices and tools.