This sounds like a bad LCD Controller Board (otherwise known as a TCon board), but you would have to replace it with a new one to be sure.
Here is one available on EBay for about $76 if you were interested in doing the work yourself:
http://cgi.ebay.com/WESTINGHOUSE-LTV-27W7HD-T-CON-BOARD-V270B1-L01-C-/160414559619?pt=LH_DefaultDomain_0&hash=item255973ed83
A repair shop could also do the work for you as but they would probably charge you at least $100 labour plus the cost of parts for that kind of job.
These boards are a common source of problems for these TVs, so you will have to carefully weigh the cost benefits of spending money on a tech or on swapping out circuit boards yourself, versus the purchase price of a brand new TV that comes complete with a warranty.
Here is a link to another expert's solution which contains links to his excellent set of LCD Troubleshooting Guides:
http://www.fixya.com/support/t8133519-not_power_up
You can read through them and get an idea of what the repair procedure would involve. If you find BUDMRTN's guides helpful, please give him a thumbs up on that page.
Please comment back here to this page if you have any questions, have difficulty accessing the links, or just require further general assistance and I will respond as soon as I see it.
Thank you very much and good luck.
Joe.
No difference really, just the TCon board part number will be different.
I looked on EBay for one, but I did not see any for that model available at the time. I will keep an eye out for one and post back if I find another source. The second hand / refurbished part market supply changes all the time so you just have to keep looking sometimes.
Joe.
My mistake, here's a few:
http://shop.ebay.com/?_from=R40&_trk...
The part number is V320B1-C03.
DO NOT buy any that say "AS IS" for their description of condition. This is EBay speak for broken.
Joe.
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the tv in question is a westinghouse #sk-32h240s - not a ltv-27w7. any difference in the solution?
thanks joe!
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