Question about Zenith Z37LZ5D 37 in. LCD TV

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TV's on. No Picture...No Sound

Long story short. I was wathcing TV, heard a loud pop, screen went blank. No picture, no audio...No College football.

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  • Anonymous May 16, 2008

    Pop then she went sound and no picture. How hard is it to replace power supply?

  • gidovi May 25, 2008

    the screen just went dead and it never came back up

  • Anonymous Dec 10, 2008

    Same Problem, and to the guy that mentioned the power supply... Are yu sure?..cause if the green light still comes on it shouldnt be the power supply, I am thinkin a fuse or something because of the pop.

  • rktrade Apr 18, 2009

    I also have the same problem.

    First start with the sound then whole thing dead. Turn back TV, but blink green light, then, solid green, but no picture, nor sound.

    Did anyone fix the problem by replacing the power supply board?



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Have a problem with Zenith 37 HDTV. Medel number: Z37LZ5D As wathcing TV, along with 'pop' sound, TV went dead. LG service center gave an advice to unplug the power cord and press ON/OFF power switch about 1 min. Then plug power back and turn on the TV. Well, the green light blink for a while and solid green, but still no screen, no audio. Search the Web and someone suggested to replace Power Supply Board which will fix the problem. Again, search the Web and came out with Power Supply Board. LG Electronics/Zenith 'Power Supply Assembl' with $124.95 from Is it the right solution? Do I have to replace entire Assembly Board? not just replacing some fuse? Any cheaper way to do? If I have to replce PSA board, any suggestion to how? Comment posted on Apr 22, 2009 I have a basic knowledge of electric and electronics, such as rewiring entire house for renovation and assemble entire computer from scratch.
Actually, the TV belongs to my father and the problem that I stated was based on what he told me.
So the question is based on the symptom that I posted, how sure are you that the problem is the Power Supply Board?
Is it good to order PSB? Comment posted on Apr 23, 2009 Purchased 2 and half years ago. Expired one year warranty. Comment posted on Apr 23, 2009 Zohail,
This is LCD TV.
There is no problem with the wall socket nor current.
I put other appliances on same wall socket and worked.
It has to be internal problem.
As I mentioned on the main post, there was a 'pop' sound while watching and TV went dead.
Turn on remote control, there is blink green light and then green stays on, but no sound, no screen.
Turn off remote control, light turns red. Comment posted on May 14, 2009 I fixed the TV.
Orderd power supply board which cost me $136.51 total.
Replacing was simple.
Just removed the rear panel cover then electronic board housing cover.
Took power supply board with all the connector cables and replaced with new one.
Problem was a transformer connector which got burned and blow up the plastic cover.
But no problem with fuse and capacitors.

Thanks all for advises.

Posted on May 14, 2009

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Try to replace the Power Supply board of your tv.

Posted on Jan 01, 2008


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