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There are people who would like to learn switch mode power supplies repair but are not sure how to do it. There are also people that understand the basics but are struggling after hearing all the claims as to how easy it was.

You have come to the right place if you would like to learn how to get into the power supply repair field from the comfort of your own home using time tested techniques that work throughout the whole world.

The key to long-term success, as experienced electronic repairers know, is having the right procedure to troubleshoot and repair. Power supply repair is not that difficult.

Jestine Yong is a professional electronic repairer with more than 20 years experience. He has just finished putting together a home study course. It is written for those who already have some experience and for seasoned electronic repairers too.

Troubleshooting and repair can be very confusing if you don’t have someone to guide you through the whole process. This breakthrough course will walk you through the best strategies in solving many problems.

Practical repair experience is extremely important. Understanding theories is not enough. Knowledge alone without experience will end up creating more problems. Most people who start SMPS repair end up quitting because they don’t have the right information and the practicality of doing it.

You will learn these things: Understand how switch mode power supplies work. How to read the Schematic Diagram and the functions of each section in SMPS. Understanding the critical waveforms and voltages in many parts of the SMPS section. How to isolate problems in SMPS thus speeding up your repair. Discover the 11 circuit functions of SMPS. Learn the 5 methods that are used to troubleshoot and repair.

There is no course that will do the work for you, but if you’re willing to put in a little bit of time and effort, you will be able to repair any SMPS on the market. Lots of courses tell you what to do, but they don’t tell you how to do it. Learn what you need to do and exactly how.

After taking the course, you might like to conduct a repair course in your country. You might want to start your own business. Earn more income.

Switch Mode Power Supplies Repair Guide is a step-by-step tutorial. 246 full color photos remove all the guesswork in how to repair SMPS. You will not find these repairing secrets anywhere else! In less that seven days, you will learn how to become an expert in Switch Mode Power Supplies repair. Guaranteed! It is powerful and easy!

Core XML

Extensible Markup Language (XML) is a specification by the Worldwide Web Consortium (W3C) for creating markup languages such as XHTML. The XML specification is being used in an increasingly wide range of applications for exchanging data between different environments, platforms and media. One of the main reasons for its rapidly growing popularity is its flexibility. It allows developers to define their own hierarchy of tags which reflect the structure of their data. In addition to the core XML specification, a number of other technologies have been developed for working with XML projects.

XML Schema

XML schema documents and schema languages are used to validate and document XML markup languages. They allow developers to explicitly lay down the syntactical and structural ground rules for particular classes of XML documents. A number of schema languages have been developed but perhaps the two most important are those defined by the W3C: Document Type Definition (DTD) which was built into the original XML specification and the more XML schema language developed a few years later.

XSL, XSLT AND XSL-FO

Extensible Stylesheet language (XSL) comprises two parts: XSL Transformations (XSLT) and XSL Formatting Objects (XSL-FO). XSLT stylesheets are essentially XML documents which transform a given class of XML document (referred to as the source tree) into a different class of XML document (referred to as the output tree). XSLT documents can be compared to CSS documents but are much more powerful. XSL-FO documents are written in XML and control the formatting layout in an output document in a very detailed manner. It allows the definition of layout masters from which are derived page sequences for generating the final document pages. Flow objects are then used to bind data to the various regions of pages.

XPath, XLink, XPointer and XQuery

When we want to target elements within XML files, there are a number of technologies we can call upon. XPath, XML Linking Language (XLink), and XML Pointer Language (XPointer) are all provide solutions for linking and addressing when working with XML documents. XPath is a declarative language which uses expressions that resemble the directory paths used to describe locations in computer file systems. XPath expressions are used in XSLT documents to address specific nodes within the hierarchy of the XML source document.

XLink is basically a method of creating hyperlinks within XML documents. It overcomes some of the limitations of the hyperlinks used in XHTML, such as the fact that each hyperlink has only one source and one destination. XPointer allows you to create links which point to very specific points within the hierarchy of an XML document by including XPath expressions in its syntax. XQuery is designed to query XML data in much the same way that SQL is used to query databases. It uses XPath expressions to extract elements and attributes within the structure of an XML document.

XML schema definition languages are based on the recommendations of the World Wide Web Consortium (W3C). They use XML 1.0 syntax and aim to explicit describe the structure of XML documents and constrain the data which they may contain. They offer a distinct improvement on the more limited schema features offered by the Document Type Definition (DTD) recommendation which formed part of the original XML specification released in 1998. The most widely used schema language is the one defined by the W3C in 2001: W3C XML Schema. However, there are alternatives, such as RELAX NG and Schematron.

Schema documents are the more sophisticated successors to DTDs and overcome some key limitations associated with them. Firstly, DTDs do not support data types. Secondly, DTDs do not support namespaces. Thirdly, DTDs do not allow developers to accurately define the number of permitted occurrences of elements within their parent element.

XML schema documents describe the structure of an XML instance document by defining what each element must or may contain. An element is limited by its type. For example, an element of complex type can contain child elements and attributes, whereas a simple-type element can only contain text. The diagram below gives a first look at the types of XML Schema elements.

Schema documents serve three principal purposes. Firstly, they can be used to validate XML documents. Secondly, they can be used as a dictionary or grammar for the creation of a given class of XML document. And, thirdly, they can be used to provide documentation for XML documents.

XML schema documents are written in XML and they contain definitions of all elements and attributes permitted in a class of XML documents. The schema document also specifies the structure or hierarchy to which elements must adhere and the type of content each particular element may contain. Elements may be of the simple or complex type. Complex type elements may contain child elements as well as attributes. Simple type element may only contain data. XML documents using a particular schema are referred to as instances of the schema. An XML instance that correctly adheres to its associated schema is said to be valid.

Validation is usually the main purpose of schema documents. Validation offers many benefits. It ensures the consistency of data within a document. It ensures that data has the right structure and internal hierarchy. It ensures that data within the document structure is of the correct type. It allows us to receive data from multiple sources.

Most XML documents are created by programs and scripts designed to extract information held in databases and transform it into XML. However, it is also possible for human beings to create XML documents. Schemas can be used during this process to assist in the document creation process. XML schemas also provide a mechanism for documenting XML documents and form an important part of the specification of XML vocabularies.

Audience handouts are a way of giving the attendees of your PowerPoint presentations something to remember you by. They normally consist of printouts of the presentation; one, two, three, four six or nine slides to a page. Naturally, however, whether or not the essence of your presentation can be captured by this kind of printout depends on the nature of the presentation.

You will almost certainly want to personalize the look and feel of your handouts. To do this, click on the View tab of the PowerPoint ribbon and then click on the Handout Master button. In PowerPoint, masters allow you to determine the format of the three main elements within a presentation; slides, speaker notes and handouts. When you are in handout master mode, the Handout Master contextual tab appears. It contains a Page Setup section which allows you to choose the orientation of both the page as a whole and of the individual slide miniatures. It also contains buttons for activating or deactivating the header, footer, date and page number as well as for formatting the background of the slide.

Bear in mind that PowerPoint can produce three separate elements (slides, speaker notes and handouts). Therefore, when the print command is used, you need to specify which of these elements you wish to print. This is done by choosing an option from the Print What drop-down menu. In addition to the three elements mentioned above, you can also print the outline of the presentation.

For presentations containing a fair amount of important detail, it may be more useful to print out the slide outline and distribute it to the audience in place of PowerPoint’s usual handouts. Better still, you can export your presentation into Microsoft Word and then customise it for your audience. To export an outline, from the Office button, choose Publish and then Create Handouts in Microsoft Word.

When exporting to Word in this way, you will be presented with a dialogue box which allows you to choose one of five page layout options. Firstly, you can have speaker notes next to slides. This will create a two column layout with a slide miniature in column one and speaker notes next to it in column two. If you have used the speaker notes feature in your presentation, this may be a useful solution. The second option is Blank Lines Next to Slides: this produces the same two column layout as the first option but the right hand column is blank, so that you can enter notes next to each slide.

The options we have seen thus far don’t offer you much room for text. If you have made or wish to make extensive notes on each slide, options three and four (Notes below Slides and Blank lines below Slides) provide a layout with the text below the slide miniature and leaves approximately 60 percent of the page free for notes.

If you just want the audience to have a summary of the content of the presentation, you can choose the final option: Outline Only. This simply exports the text on each slide into Microsoft Word.

When using any of the above Word export choices, you have the option of activating the Paste Link feature. This will create a link between the exported file and the original PowerPoint presentation, such that, if the presentation is modified, the exported Word file will also be updated.