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TV displays unusable signal

When I turn my RCA P52921 TV on all I get is a display saying unusable signal. I have Dish Network and I tried a different TV on the same wall jack and it worked fine. Why won't my TV work? The problem with the TV is that when it is first turning on it takes about 9 minutes to warm up, at which time the picture goes from black to black/white, and jump diplay the images in some other colors (Similar to saving regular bitmaps as just 16color bitmaps or monochrome bitmaps.) After the picture jumps for a while it will stay on, unless I put hte TV on Zoom or stretch to utilize the entire 50in. After being on HD/Stretched/Zoomed for a few minutes, the screen with go black and change channels automatically.

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: l46wd22 rca 46" flat screen

ok....i know what is wrong with your set.. it is a small (very small micro fuse. rca has issued bulliten to service centers on the problem.. getting the fuse and describing where it is then soldering might be the difficult problem here.. but let me give it a try. it is located on the main signal board in a shelded covered board called the main signal board. The fuse, 1C33,is located approximately 2 inches behing the tuner The surface mounted part has various markings on
the original part from “105” to “F”
and is located below the board marking “7C32'
Replacement fuse #275819 can be placed directly over the top and soldered to the ends of the existing fuse
to lessen the chances of damaging the board traces.
all that being said.. this is some trick soldering.. and unless your a tech i would not recomend such a repair.. i cant speak for all shops but such a repair is not that difficult for most techs and cost about 125 to 200. So good luck and let me know how it go's or if i can give any more detailed info

Posted on Jun 10, 2008

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Slinteriors
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SOURCE: TV screen goes blank but power stays on

Sounds like the CRTs are going into protective blanking due to the vertical output ic needing to be resolderd. Try resoldering the vertical IC that may possibly fix the issue.

Posted on Jun 15, 2008

  • 2920 Answers

SOURCE: blue screen

you are not getting a signal which means there is a problem with the tuner not working.

Posted on Dec 25, 2008

  • 1 Answer

SOURCE: TC-32LX85 only stay on 5 minutes.

Just found a solution to this problem (conveniently hidden on unlucky page 13 of the user manual). This means that your TV is in store mode... it refreshes every so often and changes to the different inputs to show store viewers the quality of different inputs.

First, go to Menu - Setup - Advanced Setup and make sure that the "Auto power on" is set to "No." Turn the TV off and unplug it. Plug it back in. Press and HOLD the power button on the TV (not the remote). Hold for 2-3 seconds or so... you'll hear a few clicks. Release the button, then press it. The first thing that pops up should be, "Select viewing environment." Make sure you select "Home." Continue with setup from there.

Voila!

-Zach-

Posted on Mar 05, 2009

supertech6
  • 513 Answers

SOURCE: TV works fine for about 3 minutes then the picture

The light is blinking a code. The code will be a series of blinks, a pause and the blinks again. Phone Sony service and give them this code. They will be able to advise you as to the problem.

Posted on Apr 03, 2010

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