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Common problems flat screen tvs

Hello I have a 42 inch Sylvania tv model # LC42oSS8 that can take up to 15 minutes for an image to display after powering up. The picture quality is great and no other issues. any advice on what part to change? Many thanks Rob

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  • rzarra Nov 25, 2013

    Hi Chas thanks for responding to my question but the issue with my tv is internal of the tv it self. The input is correct and my other tv works well on this set top box. Can you recomend any parts to change internally or the tv. Thanks

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Make sure you are on the right input, make sure video signal is up and running, So if you are pumping a MAC TV or PS3 into it make sure they are up and running and input on TV is set to HDMI or DVI-I or what you need. On newer TV's some have a sensing feature that searches for a correct input and the HZ you have it set for. If you are in the USA 59-60hz will do it. Europe uses 50hz. Just check with only one device hooked up and go from there. 15 Minutes is way too long.

Posted on Nov 23, 2013

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SOURCE: 42 inch LG Plasma TV Lost Picture

Hi it sounds like it has had an elctric fault like a resistor failing.
The click you heard would be a internal switch that cuts off the elctric supply to the screen to stop furthe damage hapening.
It could even be something simple like a bad solder and in that case will need locating and resoldering.
How old is the telly and how often is it used.
When you switch it off leave it off for about an hour then try again if you have allready done this then it probably is a blown resistor are you sure nothing has been pressed on controll have you tried seeing if you can acess the menu screen via the remote and see if that comes up on the screen let me know ok

Posted on Dec 14, 2007

SOURCE: lamp going out on jvc flat screen tv 52 inch,how do you change

Versed, you have to open the back panel (cover) to access the lamp. replacing is easy as soon as you can see it. loosen the mounting bolt and pull to unplug the lamp from the SMPS Lamp power supply. Thats it.

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SOURCE: invalid format

the comp is set to an unsupported screen res. set it to 640x480 and try again.

Posted on Dec 06, 2008

MNfisherman
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SOURCE: sylvania 42" flat screen won't turn on

First you should check the fuse and the wiring in your tv by removing the back cover. Make sure no wires are bare or touching. If there are any, wrap them with electrical tape.
If you cannot see anything wrong by looking, then it is probably the set has a bad transformer (high voltage)

Posted on Jan 17, 2009

  • 1 Answer

SOURCE: 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?

Posted on Nov 10, 2009

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Mine had the same problem, it had one bad inverter transformer on the backlight inverter board. Maybe something you want to look at for your TV.
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