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I have 42" ,Sansui plasma tv .model number Sty 0342 . when i switch it on , the power led chages from red to blue, then suddenly goes red again .i've changed the power board but it keeps doing the same thing. which other boards do you think might be faulty so that i do t waste cash in replacing something that is already ok.

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I have sansui television 42"model number STY0342, plasma 3D.when l turn it on sometimes it takes time to switch on after turning it on.it will change the standby light to blue.what might be the problem.

Posted on May 24, 2015

  • trust nare May 24, 2015

    I have sansui television 42"model number STY0342, plasma 3D.when l turn it on sometimes it takes time to switch on after turning it on.it will change the standby light to blue.what might be the problem.

  • trust nare May 24, 2015

    I have sansui television 42"model number STY0342, plasma 3D.when l turn it on sometimes it takes time to switch on after turning it on.it will change the standby light to blue.what might be the problem.so is it the power supply /control panel

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Posted on Jan 02, 2017

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SOURCE: LG Plasma TV 42''

These problems are probably bad inverter board that supply the inverted voltages to the back lights. It also could be a failure of the back light itself. This problem should be taken to a service center, where they can test the inverter board and the back lights. You can got to the website of the product and check out the frequently asked questions to see if your problem or similar one have been posted and answered. Hope this helps you with your problem.

Posted on May 14, 2009

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