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

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LG plasma TV with white shadow to right of bright colours? can it be fixed?

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Yes you need to replace the controler board,part number 6871QCH038A.It is located under the tuner board,so you will have to take it out to get to it.

Posted on Oct 03, 2009

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I'm am having image problems with an LG 60pz750 plasma tv. There is intermittent colored shadows/snow appearing in the screen especially in white areas. I've read possible y or z board.


If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

Nov 13, 2016 | LG 60PZ750 60 in. 3D HD-Ready Plasma TV

1 Answer

Plasma tv problems


Thanks for the photos, it looks like an internal adjustment is required to the ramp generator which controls the sequence for the screen to refresh itself from a previous image to a new image. This is a precise setting & also a software update may be necessary to cure the problem. These settings are on the Y-Sutain board & need to be accurate.If this procedure does not cure the problem then the screen will need replacing. As it will out of warranty, it would be best to contact a local repair centre & ask for an estimate to try & set these adjustments for you.

Sep 23, 2009 | Televison & Video

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Issue with LG Plasma tv model # DU-42PX12X


Another "same probelm"

My set has encountered this magical 50/50 split screen and it seems to be quite a problem since I am not the only one researching this issue. LG was of no use because of course it is just out of warranty. Any solutions on fixing this or am I out of money in buying a new plasma?

Jan 27, 2009 | LG DU-42PX12XC 42 in. Plasma HDTV

2 Answers

Verticle lines


You should connect your TV to an Active DtH Connection or a Live TV Cable or even to a working DVD/VCD Player etc. and tune it to the frequency of the same and it should start working. If it doesn't, please contact Service Center.






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1 Answer

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i have sound on the tv but the picture wont work

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LG PLASMA TV WITH COLOURED LINES OVER SCREEN


If the Video (Picture/Pix) is gone but you can hear the Audio (sound), then it could mean the YSUS PCB Assembly is gone/kaput/finish. Can replace the PCB, not repair the PCB due to timing circuitry involve. Cost maybe roughly $500 depending where you located. The PCB is located on the left hand side of your TV when you are facing the back (Back open). Might find 3-4 brown flex membrane connecting to the plasma panel. The PCB has a silver or black aluminum heatsink (big) on it.
Good Luck.

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1 Answer

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Have a look at my 'I broke the glass post'

Dec 02, 2007 | LG MZ-42PZ44 42 in. EDTV-Ready Plasma...

1 Answer

Colour problem


I have default settings I normally use for most sets before I begin any kind of alingment. Contrast: 90% Brightness: 45% Color: 45% Tint: 50% If the brightness is to high or the contrast to low the color is off. Check your connections, there probably OK, but, it never hurts. If the settings don't help call a local authorized servicer in your area. Hope this helps.

Jun 23, 2007 | LG 42PX3DCV 42 in. Plasma EDTV

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