Question about LG DU-42PX12XC 42 in. Plasma HDTV

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LG DU-42PX12X tv screen is blank (Black) but has sound and can change channels. do you know the cause and cure for this?

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  • shelton1977 Jan 06, 2009

    When I turn on my LG the screen doesn't come on but the sound works. Does anyone know what could be the problem?

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  • 11 Answers

Check the controller board, 6871QCH038A. This board is one layer deep into the assembly after the cover is removed. Gently lift the covering circuit board back plane to access.

To do this direct a blast of cold air unto the large chip in the center of the board. If the picture comes back on then you have found it. This means powering the TV while open and this means danger to the novice. Voltage can end your life when you become the circuit path.

Order Part number 6871QCH060Q as the suitable replacement part to this circuit board.

7060 State Road 84 #12
Fort Lauderdale, FL 33317
(800) 432-8542
Fax: (954) 723-9044

Posted on May 04, 2009

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