Question about Proscan 40LC45S57 TV

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I got a Proscan 40LC45S57 TV

It turns on, but no picture just a black screen but i can hear sound

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  • Proscan Master
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Back-light inverter board fault. Replace it as card basis. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

Posted on Mar 31, 2014

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Posted on Jan 02, 2017

  • 310 Answers

SOURCE: tv: why do I only get sound when I turn the TV on?

Exactly i do no the problem in the video section.

Posted on Feb 19, 2008

  • 2 Answers

SOURCE: On my proscan tv, when i turn it on the sound

i think this is a known problem....some guy in phoenix is selling a bunch of these returned tv's from SEARS with the same problem for $150.00 try to return it.

Posted on Apr 22, 2009

  • 10 Answers

SOURCE: when i turn the tv on i get sound but just a black screen

Try pressing the menu button on the remote to see if the menu comes up.

If it does it's possible the light and colour have been turned right down, find the option on the menu and turn it up.

Also check no cables are unplugged at the back of the tv, picture is usually yellow make sure it's in tight. Check other end as well so sky box or DVD player.

If you're using an AV port on your tv try using a different one, so switch form AV1 to AV2.

Posted on Jul 23, 2009

  • 20 Answers

SOURCE: Proscan 40" LCD-Screen Freezes

They actually state that you have to unplug it and replug it in to fix this problem in the owners manual so it's not just a isolated issue. I to have this problem daily now and this is the 2nd set after returning the first one due to same reason.

Posted on Oct 12, 2009

  • 8457 Answers

SOURCE: My 42

Must return for waranty repair ur main video board backlight is dead,the main video board no good.

Posted on Oct 14, 2009

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The screen is completely black. you can hear sound but the screen is still black.


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When i turn the tv on i get sound but just a black screen


Try pressing the menu button on the remote to see if the menu comes up.

If it does it's possible the light and colour have been turned right down, find the option on the menu and turn it up.

Also check no cables are unplugged at the back of the tv, picture is usually yellow make sure it's in tight. Check other end as well so sky box or DVD player.

If you're using an AV port on your tv try using a different one, so switch form AV1 to AV2.

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