Question about Westinghouse TX-42F430S Television

4 Answers

Westinghouse HDTV TX42F430S, No picture or sound.

Westinghouse HDTV TX42F430S, shows
"W" logo for 5 seconds, then shuts down
with no picture or sound. This seems to
be a common complaint with this TV.
I tried TV-dan's solution of applying
3 volts to the top connector of the master inverter, and plugging in the
TV. The screen does come on, but still
no picture/sound/menu or any other
functions. As soon as the 3 volts is
removed, screen goes back to black.
So apparently the power board is OK.
But if the problem is with the main
module and the module is no longer
available anywhere (#W470PROLX68)
what can I try next??

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4 Answers

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  • Westinghouse Master
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Tries websites Shopjimmy.com,Ebay.com to buy a refurbish Main Tuner signal board for the replacement.

Posted on Mar 17, 2010

Testimonial: "Thanks for the lead on the parts."

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  • Master
  • 2,337 Answers

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.
I have the module from a TX47F430S that had a broken screen, the 42 and 47 inches use the same parts.
Let me know if you need further assistance.

Posted on Mar 17, 2010

  • jma55033 Sep 24, 2010

    DO you stil have the main module

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This is likely to be a damaged firmware issue, reflash the firmware and the TV will be back to normal. A lot of people have tried and sucdeeded.
See the dicussions and download the firmware here.
http://www.avsforum.com/avs-vb/showthread.php?p=19820830#post19820830

Posted on May 11, 2011

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Sounds like the inverter board has a bad transformer on it take board out and look at the bottom for burns around the transformers

Posted on Apr 17, 2010

  • summerbre42 May 11, 2011

    This is likely to be a damaged firmware issue, reflash the firmware and the TV will be back to normal. A lot of people have tried and sucdeeded.
    See the dicussions and download the firmware here. http://www.avsforum.com/avs-vb/showthrea...

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