Question about Westinghouse SK-32H540S 32 in. LCD TV
I have a Westinghouse LCD TV SK-32H540S, 1 year old. When I turn it on, the screen works for about 5 seconds, then goes dark. The sound continues. The screen goes dark despite what's being displayed: tv shows, menus, whatever, so it's clearly the screen, not the source of the image. Any idea what might be the problem, and how to fix this?
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Posted on Jan 02, 2017
Hello, it sounds like you need to replace the inverter board, I believe this model has LIPS board which is the power board and the inverter board put in to one single board. You can find price and availability for parts by emailing email@example.com.
Posted on Feb 03, 2010
Hello, two things, one try using the TV with the native resolution of 1366 X 768, and secondly try updating your video card. If you are not having this issue with the TV on the other inputs than most likely it is a settings issue with the laptop. Please rate this comment if it was helpful.
Posted on Apr 07, 2010
The problem is cause by the transformer on LIPS inverter (Power supply + Inverter board). You could see an obvious burn on the 1 of these transformers ( There are total 3 black transformer on this board). The part number is 4302H. It is available online at http://www.lcdparts.net/TransformerDetail3D.aspx?ProductID=2775
Posted on Jun 12, 2010
1 swollen Capacitors / Replace
2 blown Diodes on inverter board / on some # 508 or 908
3 bad transistors in inverter bad will appear overheated powdery coat
4 replace inverter if you cannot locate problem on it
there is a safety built into the high power back light supply and that is if too much current is drawn or light is shorted it will not burn up
or hazard high volt shock to user.
capacitors and diodes driven with power transistors
look for darkened spots on the board to identify hot transistors
puffy tops and leaky bottoms of capacitors
when you turn it on does the bottom or top of the screen show image a Milli second before the other it should be evenly the lag
is the one requiring more amperage
Posted on Aug 07, 2010
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