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High pitched noise when the T.V. is off. The noise only occurs when the T.V. is off and the red light is on.

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Such symptoms caused by damage or problems from the POWER regulator, comes from the transformer noise. usually caused by too high output voltage over 125 Volts. and is caused by other parts in the power regulator has been damaged or weakened, for example. is elco on the part of regulators. like to elco 100uf/50Volt size, 220/50 Volt. you can replace it, here Otocoupler in the regulator.

Posted on Aug 31, 2010

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Posted on Jan 02, 2017

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