Manual Sony ICF-SW77

8 pages 0.84 mb
Download

Go to site of 8

Summary
  • Sony ICF-SW77 - page 1

    Date: 19-11-02 Pa g e 1 o f 8 Modification of So n y ICF -SW77 for DRM Software receiver ...

  • Sony ICF-SW77 - page 2

    Date: 19-11-02 Pa g e 2 o f 8 Table of Contents 1 INTRO D UCTION ................................ ................................ ................................ ................................ ......... 3 1.1 P URPOSE O F T H I S DOCUMENT ................................ ................................ ................................ ........ ...

  • Sony ICF-SW77 - page 3

    Date: 19-11-02 Pa g e 3 o f 8 1 Introduction 1.1 Purpose of this d o cument This document describes how to modif y a So n y I CF - SW77 short wave rece i ver to be able to recei v e a DRM s i g nal. T heref o re the DRM – Mi n iature Mi x er Unit from Sat- Service Schneider is used, to mix down the 455 kHz I F of the receiver to a 12 k Hz I F. Th ...

  • Sony ICF-SW77 - page 4

    Date: 19-11-02 Pa g e 4 o f 8 w i de band fil ter n arrow ba n d fil t er Z F in GND The I F s ection has two IF filters, a n arr o w band f i lter and a wide b and filter. One of the s e filters has to be rep l aced b y a wi der filter with ap p r. 10 kHz bandwidth. The filter ‘W’ is active if the recei v er is in ‘wide’ mode, the filter ? ...

  • Sony ICF-SW77 - page 5

    Date: 19-11-02 Pa g e 5 o f 8 3.2 Filter ban d w idth The with the receiver su p plied wide band I F filter has a bandwidth ob ap p r . +/ - 3 kHz. The bandwidth is shown in followin g dia g ram: The recommended replacement filter is a Mura t a CFWM455GY, which has the same footprint as the or i g inal filter, but a bandwidth of appr. +/- 4,5 kHz. ...

  • Sony ICF-SW77 - page 6

    Date: 19-11-02 Pa g e 6 o f 8 3.3 IF Filter t y pes The followin g M u rata fi l ter t y p es are fittin g into the I F filter footprint in the SW77 receiver: Part Nu m ber 6 dB bandwidth CFWM455G +/- 4.5 kHz CFWM455F +/- 6.0 kHz CFWM455E +/- 7.5 kHz 4 Connection of DRM Minia t u re Mix e r Unit The I F freq u en c y is 455 kHz in the SW77 receiver ...

  • Sony ICF-SW77 - page 7

    Date: 19-11-02 Pa g e 7 o f 8 4.1 P o w er supply The mi x er unit needs a power supp l y with 7 -20 V DC. Unfortunate l y the receiver supplies a ma x imum v o lta g e of 6 V. Test showed that it is possible to use the 6V instead of the 7-20 V to run the mi x er unit. An other possibili t y is to re m ove the volta g e re g ulator on the mi x er u ...

  • Sony ICF-SW77 - page 8

    Date: 19-11-02 Pa g e 8 o f 8 ...

Manufacturer Sony Category Frozen Dessert Maker

Documents that we receive from a manufacturer of a Sony ICF-SW77 can be divided into several groups. They are, among others:
- Sony technical drawings
- ICF-SW77 manuals
- Sony product data sheets
- information booklets
- or energy labels Sony ICF-SW77
All of them are important, but the most important information from the point of view of use of the device are in the user manual Sony ICF-SW77.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Sony ICF-SW77, service manual, brief instructions and user manuals Sony ICF-SW77. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Sony ICF-SW77.

Similar manuals

A complete manual for the device Sony ICF-SW77, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Sony ICF-SW77 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Sony ICF-SW77.

A complete Sony manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Sony ICF-SW77 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Sony ICF-SW77, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Sony ICF-SW77, that we can find in the current document
3. Tips how to use the basic functions of the device Sony ICF-SW77 - which should help us in our first steps of using Sony ICF-SW77
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Sony ICF-SW77
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Sony ICF-SW77 in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning Sony ICF-SW77?

Use the form below

If you did not solve your problem by using a manual Sony ICF-SW77, ask a question using the form below. If a user had a similar problem with Sony ICF-SW77 it is likely that he will want to share the way to solve it.

Copy the text from the picture

Comments (1)

dler

Our radio is not have sound