Question about Televison & Video
Things to check for: Inductors ? These are really just coils of wire, sometimes wound around a metallic or ferrite core. These can take on a number of appearances such as a donut shape, a small cylinder with axial leads, or numerous other packages. Typically, you will find markings on the printed circuit board such as L1, L2, etc. where these components are mounted. For some photos of inductors, please check out: http://zeus.cedcc.psu.edu/, and click on Inductors. Inductors block higher frequency alternating currents while allowing DC to pass through unobstructed. Diodes ? These devices are usually long cylinders with leads sticking out of both ends axially. Usually, they are painted black and have a silver or white stripe on one end. Normally, there will be additional markings on the printed circuit board that identify these parts using symbols such as D1, D2, etc. Diodes allow current to pass in only one direction. You are most concerned about the diodes that will be used to rectify AC current into DC current. Transformer ? you will only be concerned with the power transformer that steps down the AC house current to a lower voltage. This component should look very much like the drawing on this page: http://zeus.cedcc.psu.edu/ind/ind.html. It should have an iron core and coils of wire wrapped around the core. The coils will have some kind of insulator coating around them. check all the above properly keepupdated,thanks. please do rate this solution positively.
Posted on Jun 18, 2009
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Posted on Jan 02, 2017
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