Question about LG 42PX4DV 42 in. EDTV-Ready Plasma Television

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Lg 50px4d The problem is there was a loud popping sound then the picture was dull and was still working as normal but its too dark to watch. could you help with this fault please. what parts are needed to fix?. thank you dupe

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Sounds like the problem with 50" zenith plasma tv's which use the same screen, see:

http://www.avsforum.com/avs-vb/showthread.php?t=599668&page=45

Posted on Nov 27, 2007

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Did it sound like a venetian blind being snapped?

Posted on Oct 10, 2007

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Try reseting the defalt seting do not turn the trebl up it has hydef speackers if trebl is up it will pop

Posted on Sep 09, 2007

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Posted on Jan 02, 2017

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Our LG 50" plasma tv screen went black after a popping noise but still had sound, after great diliberations decided to take the back off and have a peek!
We unplugged the tv and tested the fuses (there were three we could see) one had blown, the one on the left as you look at the back of the tv it also has one above it. We wrote the code/seriel number down and took the fuse to the electrical wholesalers Maplin and bought a pack of 10 fuses for £1.29 replaced the fuse in the tv and everything now fine!!!!!!
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Lg 50px4d pdp tv


This is a very common problem with model. This problem is your Z sus Board. NOT your power supply, or Y sus board. There is a pair of Diode that goes bad. Your only solution is to change your Z sus Board. Part Number 6871QZH036B average cost $237.00

Best regards
Circuitcity

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