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LG 50PC56 screen gone blank the programs are still there by sound and channels can be changed.

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3 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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sullivan8733
  • 11 Answers

SOURCE: LG DU-42PX12X

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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  • 458 Answers

SOURCE: 42" LG Plasma tv, no picture - black screen, but have sound.

Most a likely a problem with your Y-Sustain board which will then not drive the screen giving a black picture. The fuse on the board may be open circuit & need replaced but most likely you will need to have the sustain board replaced.

Posted on Oct 28, 2009

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1 Answer

I have a 50inch LG TV that when switching between programmes the TV goes blank for a moment


Are you using cable and if so which company and box?

ELECTREPAIRUSA@ELECTREPAIRUSA.COM

Dec 07, 2016 | LG Televison & Video

1 Answer

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If just one channel the problem could be either on a box or the set--look in audio menu for SAP---secondary audio program---if SAP engaged it will blank the sound except for SAP program.

Also check if using a box that sound is not muted on the one channel--a lot of boxes also have this option.

The set is not smart enough to know what channel you are on so it has to be a setting somewhere either in its or a box menu.

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The tv power supply board it is shorted and dead.That the board where the tv power a/c cord plug into it.Tries websites like Shojimmy.com,Ebay.com to buy a whole new refurbish tv power supply board for the replacement.

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I have a 50 inch LG plasma it keeps sticking on a channel and i have to turn it off and then turn it back on to change channel it also gets stuck between channels giving a blank screen


This sounds like a software problem. Have you tried updating the software for this TV. You can download from Internet, save it to a flash drive then plug in to TV. And update.
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First you must clean connector contacts between plasma module and driver boards, if not solve the problem and continuing increment of wide red line, may be you must change plasma module to solve this problem,

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THE RIBBON NEEDS TO BE CHANGED....

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I have the exact same problem.Check this out. http://www.fixya.com/support/t209330-lg_dat_250 Unfortunaley, for temporary use of other channels other than abc & abc2, you need to pull out the antenna lead when it is trying to program those stations back in. My serial number starts with 601, does yours?

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