Question about Zenith L20V36 20.1 in. EDTV-Ready LCD Television

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Hello, My Zenith 55" has sound but,no picture. model# z50px2d what can I do?

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  • affairscp May 02, 2010

    thank you. how much will this cost?

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Hi


Thanks for using FixYa. From what you have described it seems that you might have a backlight and/or an inverter board issue with this TV set. It could also be due to the inverter circuits for the backlights. The inverter is the power supply source for the backlights. There could also be a screen driver problem; if it is then you have to change the entire inverter board. All this is only recommended if you have some kind of expertise for checking the internal circuitry of the TV as these units have high voltages running even when the set is switched off. The cost to change the inverter board including labor would be around $250, if you get this done by a professional. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Posted on May 02, 2010

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Loud pop, then picture turned off but the sound is still working. My TV is a Zenith Z50PX2D


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Technician just replaced the upper right (from the back) circuit board that conects to the panel. TV now works fine. I bought the display model 8 months ago with extended Circuit City Warranty for $1000 so I can't complain. This was covered entirly by LG/Zenith (nicest Cust. Svc. ever) so we'll wait and see what happens.

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1 Answer

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Check your input connections, especially the HDMI (if in use). I have found through personal experience that the weight of the cable and any small vibration can be enough to loosen the connection and leave you a blank screen. The manufacturers would have been smarter to have all the inputs face toward the floor at the bottom of the set (like the power cord). Anyone who has mounted their set to the wall will understand what I am saying.
That being said, you may be better off saving your money and buying a new LCD TV. The Zenith sets have proved to be a ticking bomb. If you Google "pop" and "z50px2d" you will read a number of posts on various boards that indicate that the Zenith plasmas have about a 2 year life expectancy before they are in need of some very expensive service. And frequently even after they are serviced are prone to further failure.
Someone pointed out to me not to long ago a valid fact: LCD technology has been around since the pocket calculator and therefore much less prone to unexpected failure than the relatively new plasma technology. I just wish someone had told me that 2 years ago when I ponied up $3000 for my Zenith z50px2d that blew out a few days ago.

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