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Westinghouse sk-32h570d sound no picture

Had sound no picture. replaced the backlight inverter board. Now picture flicks on for a moment, gets a little brighter & goes out. Picture flicks back on when turning off power. Sound the whole time & blue indicator light still on so has power. Checked Ohms to see if getting too much power on new board & reading 1.7. New board seems good. What else could it be?

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After ignition of the back light, a control voltage will come from the main board, to control the intensity of the back light. This is true to all LCD TVs. You should check, whether this control voltage [a variable voltage according to picture displayed on the screen]. If it is not present, make sure that the main board is faulty, as this voltage is generated at the main board and send to the back light inverter board' to control the brightness. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/

Posted on Apr 23, 2014

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Westinghouse sk32H540S picture come on then off what's wrong sound good


It's a bad capacitor on the power supply/backlight inverter board. Replace the board and you won't have any more problems.

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My Westinghouse SK-32H540S pictures shuts off after 10 seconds. the sound stays on but no picture. is it the troubleshoot? i tried unpluging everything and repluging it and still the same thing happens...


This problems are the tv 1 or 2 long LCD inverter boards are dead.These 1 or 2 long LCD inverter boards provide the tv LCD screen pannel a backlight to produce a picture.Tries websites like Shopjimmy.com,Ebay.com to buy those refurbishes 1 or 2 long LCD inverter boards for the replacement.

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My westinghouse 32 inch flat panel tv turns on i get the picture then in about 20 seconds picture goes out but still have volume. i turn it off then on again and the same thing happens ....help


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The TV turns on, has picture, then after about 15 seconds goes black but still has sound


The two most probable failures is the backlight for the display or the inverter that powers it, If the ends of the fluorescent backlight tube are exposed, check if the ends are black. If not, then the inverter is probably bad.
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Aug 17, 2010 | Westinghouse Electric SK-32H570D 32 in....

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I'm trying to hook up my westinghouse 32" LCD SK-32H570D tv. When I push power, I get the "W" logo, but then I can't get it to go to the startup menu. Neither the Menu button on the TV itself, nor the one...


Hello, there can be a few things wrong, it sounds like you might have a defective set as the inverter that powers up the backlight on this unit is on the same board as the power board, this normally will cause symptoms of powering up but not displaying a picture. If you are looking for parts you can find them at parts@wde.com but it sounds like you just purchased the unit so I would call their customer service line at 1800-701-0680.

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1 Answer

Has sound,picture only comes on for a couple seconds at start up.


This is a Backlight Bulb or Inverter (power supply for backlight) failure.
If in warranty, take it to service
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