Question about Sony Grand WEGA KDF-55XS955 55" Rear Projection HDTV

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Television keeps shuttting off and on green light appears

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I have a Sony Grand Wega 55 HDTV, Its 6 years old. Problem is as follows: I press the power button and the TV warms up and goes on for about 30 seconds than shuts off to a no power screen , with the power light flashing green. Than after about 60 seconds the TV comes back on for about another 30 sec and shuts off again. The longer i leave the TV on the longer it stays off when it starts blinking the green light. Can anyone tell me if its the sensor or something else? Is the part I need attainable with the ability to replace it myself.
Look forward to your replies.
Louie

Posted on Jun 25, 2011

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Hello,

It's the problem of overheating in the power supply board of the TV.on the power supply board of the TV there are few capacitors and IC.any of this IC is got short or may be weak.so due to this when you start the TV the current passes from electric outlet to the power supply board of TV.but when the current passes from that weak/faulty part at that time current gets stopped or slow and the board overheats and TV shuts off. this is a common problem faced by many other users too.the possible option to solve this issue is to check the power supply board by a meter and continuity tester and replace the faulty component on the board which is short due to which power supply board is getting overheated.its bit technical job but yes its not at all a costly repair to do or get it done by the technician. for required parts it can be easily available from local electronic hardware shop.


Hope this will help in solving the problem......

Posted on May 20, 2011

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