Question about Televison & Video
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Posted on Jan 02, 2017
Replace its Horizontal output Transistor. If the base-emitter junction has a leak inside it, this type of fault will occur. Before replacing it, check the main DC voltage to LOT [Line Output Transformer]. It should come around 102VDC. If there is not this much voltage, check the electrolytic filter capacitor connected across thie supply line to main negative for open or value developed. Replace the same is good. Till there is low voltage found, check the retifier diode that rectifies this 102 volt DC. If all the above are OK and still you get a stamp like raster, check the heat of the Horizontal Output Transistor described above. if it overheats, LOT is defective and should be replaced with same type and number. OK.
Posted on Jun 12, 2011
Expect a detailed answer for this porblem in this iste after 3 hours. The site name is "Electro-help".
Type in this site name, either in Google or Yahoo search box, and click search. Don't forget to type in [hyphen] in between words. The site will appear as shown above. Visit it after four hours. OK.
Posted on May 08, 2012
Try to read the color code of your resistor, if the resistor was burnt you have to do is send your TV to tech.
Posted on Dec 10, 2012
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