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Powers on and off but wont show the picture - Televison & Video

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Back light inverter damaged in case some coils of this unit are not good soldered on the board desolder it, and scrape the soldering-ends of the coil clean and resolder it.
Mostly are the coils round on ferrite and with white braun or black silicone fixed. and mostly with the letter L indicated.
Also bulging capacitors if SAMSUNG G-LUXON LELON or any cheap 10 V 6.3V elco capacitors are used , then its possible the The stepup Transformers can be Damaged in one of the backlicht tubes circuits. upsite and bottonside one of this circuits from 2 dubbeltubes can become into the safemode because of this problem. then you see no picture if LCD if a LED matrixboard is used for backlight for the lcd screen . then there is another solution but not here.

Posted on Nov 26, 2013

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Posted on Jan 02, 2017

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