c) If you work in equipment's factory or their distributor you will have schematic diagram for model that they sell. Any under warranty unit that comes in you will be able to diagnose and repair equipment fast. This will increase company's reputation and customers will recommend to their friends about quick service of that particular brand of equipment. You also can get schematic diagram in form of a book from local electronic shops. This is usually a compilation of few brands and model of a specific electronic equipment. Tv or television schematics diagram are easily to get but computer monitor schematics and radio amplifier schematics is a little bit harder to find. If you have budget get one of book. Third, as most of us already know that you can download free electronic schematics diagram from internet. Free tv schematics is easily found on internet. You may also buy it 'CD' format. This investment will usually pay back in shortest time.

d) As how to read schematic diagram, i'm unable to show you thru article because you do need a real schematic diagram in order to make you understand. Reading schematic is not that difficult, provided you have some basic electronic knowledge. I have a few suggestions: -Ask from a friend who is in repair line -Take short courses on electronic repair and ask lecturer -Buy books from your local bookstore about subject "how to read schematic diagram" -Buy schematic diagram and learn on your own (this will take sometimes but worth it) -Fix some project kit using electronic kit schematics given. This will add to your knowledge also.

Conclusion-In order to become a successful electronic repairer you must understand how to read schematic diagram.

Jestine Yong is a electronic repairer and a writer. For more electronic repair information please visit his website at http://www.noahtec.com/electronic-repair-articles.htm

The Digital SLR cameras have a much longer battery life due to limited use of LCD screen. Please note, that as LCD screen is only used for viewing image, battery life of a digital SLR can allow up to 2000 shots per charge in some cameras compared to 500 for a good point and shoot digital camera.

Digital SLR cameras also allow you to interchange lens such as adding a zoom or macro lens when required.

On negative side of a Digital SLR camera; They are usually larger and heavier than compact digital cameras, image cannot be previewed on LCD screen prior taking picture. If you really require image to be viewed on LCD prior to taking picture, there are third party manufacturers that produce LCD screens that attaches to viewfinder and allow scene to be view just like a compact digital camera. The other drawback is inability to take videos and finally, lenses are expensive with majority costing more than camera itself.

Although compact digital cameras cannot compete on features with a Digital SLR camera, they are great value, have ability to take videos and are portable. If you have decided to purchase a Digital SLR camera I recommend you visit infodigitalcamera.com to find additional information on Digital SLR camera. If you are still undecided, purchase both.