Plasma 52inc zenith loud pop. have sound but no picture
Question what must i repair to get my picture back can i repair my self. what part do i need to switch out. if so is it a picture board can i do it my self do you see this problem being solved by me if i can track down the part which i plan to do once i find out from some one with experience based on my discription of my problem hearing two loud pops then screen went black i have sound but no pic. what must i do would like to know what gives picture to this tv because i would like to get the part and repair it my self thanks for any feedback [email protected]
Re: plasma 52inc zenith loud pop. have sound but no...
Hey - when my screen did that I was told that my Y & Z sustain boards blew out. I now have another issue w/ my set & I was told by a tech guru on this site that there are additional boards that should have been replaced as well.
I too fee like I want to take a crack at fixing it myself, but I don't know specifically which parts to address.
I complained to Zenith (in a nice way) & they've extended my warranty to fix my new problem free of charge, which they should do anyway
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There's an over current fault in the power supply or the Y-sustain convergence board. The loud pop was either a capacitor or pico-fuse breaking from excessive current overload. Sounds like 2 or 3 mosfets have shorted at the gate ends. Plasma TV's always have this problem because they generate too much heat and the components cant take the load conditions. Make your next TV an LCD...
To fix this problem have your local repair shop do it for you.....
Don't know much about the newer tv's but in the old days when they did that the guns at the back of the tube where on the way out.. my guess is the modern equivalent is happening..you need to check the vision card.
This just happened to my Z50 yesterday...10 days after it came back from the repair shop! The first repair was for the "popping" problem where the tv makes a loud pop and the screen goes black. This took 6 weeks to get fixed. For this new problem the repair center is getting hold of LG to find out what to do. I am also calling them because I see this is a major problem that people have been experiencing out of warranty. The first customer service rep told me I was out of luck but I am not accepting that answer. Good luck, we'll both need it.