Question about Toshiba 50HM66 52" Television

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Television screen made loud pop and went dark.

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If you feel adventurous, pull the AC plug and remove the lower panel in the rear. Using a good light, inspect the area around the circuit board(s) and look for traces of paper and possibly a cylindrical component that has obviously burst.
A part that is prone to explosive failure is the electrolytic capacitor. These are not costly parts but if it is a larger one, there is a chance that it failed as a victim of another component failure, possibly a semiconductor called a rectifier which can be in any number of different packages that a technician is much more likely to recognize than a layman.
Replacing a failed capacitor without doing further troubleshooting is not a good idea; it could just destroy the new capacitor.

Posted on Mar 11, 2011

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