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Westinghouse LTV-27w7 7 in. LCD HDTV Questions & Answers
No picture - audio ok. Power cycled (unplugged for 30 seconds) but didn't resolve. Picture comes on when powered on, disappears after a second.
Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
3 channels missing
Those channels all are related in the same tuning band that most tuners have----suspect you have a bad tuner--unless you are using a box in which case suspect the box is the issue.If the tuner is the problem there are ways around that--used a cable box set to the rear inputs (audio/video) on your set and bypass the problem.
My tv turns on, but gets no picture. It
Hello
The problem of your television is no picture.Usually in that symptom of LCD TV the problem is no back light.If there is no back lights the screen or display is totaly black.The problem is in the back light driver board, maybe there's a blown mounted fuse in the driver board or bad or leak capacitor from the supply of the back light driver board.Thanks...Hope it will help you to fix it..
For some reason, the TV
You have problem with your power supply, power cord and if you are technically know how you may inspect the power supply if fuse blown. If Black color you have problem on the power supply this is for serviceman only, if slight clear and you set a cut you may try to replace it.
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