Question about Westinghouse LTV-46w1 HD 46 in. LCD Television

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Westinghouse tv ltv46w1hd sound no picture

When I turn on the TV the logo shows for a second then disaper. Screan turn black. Sound is OK.

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  • Anonymous Dec 04, 2008

    Westinghouse LTV-46w1 HD un segundo despues de encender se apaga me gustaria saber si algien tiene el diagrama


  • Anonymous Mar 04, 2009

    Westinghouse tv ltv46w1hd sound no picture

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  • 4 Answers

Www.cfusion.com has the spare parts for that tv. it sounds like it is the mainboard. shouldn't be more than 150-200 to replace.

Posted on Apr 03, 2009

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  1. Hold down the Menu and Menu up/scroll (+) buttons simultaneously on the Apple Remote for 6 seconds.
  2. TV will cycle through all of the available resolutions, displaying each for about 15 seconds. Please wait, as it may take up to 2 minutes before a compatible resolution is found. If the display is incorrect or doesn't show up, keep waiting while TV continues to try and find a compatible resolution.
  3. When a picture appears on the screen, navigate to OK with the remote and press the Select/Play/Pause button.
If you think you selected the wrong resolution, repeat these steps again. TV works much better in HD resolutions such as 720p or 1080i. You should choose the 'best' resolution your TV supports.
If HDMI or DVI connections are available on your TV, you can use them instead of component video to avoid this process

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The TV is not receiving a video signal. It is probably the cable you are connecting the tv to the source. If you are using an adapter, don't. Buy a proper cable.

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From where do you get the 3 volts to feed the master inverter board?
Have you measure all the voltages from the power supply to the main board?
Since the screen is ON when applying the 3.3 volts and the CCFL lights are ON, the backlight inverter boards and the CCFL lights are working. At this point there could be a LCD controller inverter board failure but if that is the case, you could still have audio but no video.
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I'm willing to bet it's the main board. Its the board that all the video and audio inputs. What is the model number I could find the part for you. You could change it out yourself, Its not that hard. Let me know.

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Some solutions to this same problem were posted here, hope this helps.

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