Question about LG 50PX2DC 50 in. Plasma Television

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Lg 50px2dc no image just sound

I have a lg 50px2dc with no image. Have sound and power only.

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The z-sustain is bad. I know this from experience. I fixed one with the same problem today. To confirm this you may or may not see a small portion of the picture at the edges of the screen.

Posted on May 29, 2011

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Mainboard damaged and need to be replaced, try EBAY for a general picture of prices but you will need your product code wich is located in the back of the TV next to serial number.

Posted on May 27, 2009

  • Mike Ballard
    Mike Ballard May 29, 2011

    The z-sustain is bad. I know this from experience. I fixed one with the same problem today. To confirm this you may or may not see a small portion of the picture at the edges of the screen.

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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power led, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
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My lg plasma tv 50PX2DC will not turn on. The red power light stays on. It blinks when you hit the power button but it will not turn on. It was intermitten. Sometimes when it would turn on there would be...


yes the problem on ur tv is the power supply , you have bad capacitor , if you open your tv and take a close look at the power supply you would see bad capacitor 5 - 10 bad capacitor you can buy this parts at radio shack , but you also need a solder station mayhbe $15 for station and $5 dollars for parts

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There are several different kinds of TV system in the world. Not all NTSC systems are the same. You are probably in a country where the sound is carried 'higher' up the TV signal than in your own country.

Apr 21, 2010 | LG 50PX2DC 50 in. Plasma Television

1 Answer

No picture but have sound


This is a common problem for these sets, you will find it is your Y Sustain board, when the back is off your Tv it is on the left hand side and will have 2 x white fuses, one of these will be blown usually F2 replacing the fuse will not solve the problem, the issue is down to the IMP module that is underneath the heatsink, these with time overheat and go faulty. replacement of these is very difficult ( Beleive Me!! ) so reallly i would take the part number off the board.
I think it is this..... 6871QYH039B and just buy the whole board and replace.
99% of the time this will cure your fault.
Hope this helps
Please rate my reply ++++

Apr 05, 2010 | LG 50PX2DC 50 in. Plasma Television

1 Answer

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Make sure the "TV" button is selected on the remote

Feb 11, 2009 | LG 50PX2DC 50 in. Plasma Television

1 Answer

TV has no display -- Need advice on Z Sustain Assembly Board


Send your board for repair / exchange - we service those by truckload :-)

http://www.coppelltvrepair.com .

Nov 25, 2008 | LG 50PX2DC 50 in. Plasma Television

1 Answer

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The y sustain board and the z sustain board and control board have to be replaced.

Nov 10, 2008 | LG 50PX2DC 50 in. Plasma Television

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