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Problem with rca big sreen tv

Rca tv model numd 61w20byx11 serial num e206c10029. the problem is when i turn on the tv the power ligth blink and then shut it self off . Can you tell me what gould it be ? it has high voltage but it shut off.

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  • loeth Jan 12, 2008

    when it blink there is no raster tv will turn off right away.i replace the flyback already but still the same problem and friend of mine have the same problem he has the same module and he put hte high voltage pc board and the set working fine and he put he video pc board in the tv is working fine .can you have some idea what it be?

  • loeth Jan 14, 2008

    Did you find out the problem ?.I did what you me to do .Can you please tell me what is going on with this tv? thank you

  • loeth Jan 14, 2008

    I work on this field of electronic for long time .I checked all the connectioins the power supply board . may be i gave you not the right model Try this mod d61w20byx1 and i did solder all the connections but still does not work. My idea is the focus divider or the high voltage may be deffected. What do you think ?

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First, try a hard reset.
You must unplug the power cord (turning off the set or the strip will not do it) for a couple of hours, then try again.
This will sometimes correct the problem
When it blinks off: Does the raster go dark or just the picture and the raster remain?
If the raster goes dark when it blinks off it means there is a loss of high voltage to the picture tube. High voltage repair is expensive. It may be a failing flyback transformer that is functional inside the horizontal deflection circuits.
If the raster stays on and you just lose video (picture information) then it may be a simple intermittent IC chip in the video board area. It may require a technician to determine which IC and how to replace it or the parts associated with it, but probably not terribly expensive to repair.

Posted on Jan 12, 2008

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jan 14, 2008

    I think that Power supply section must be checked first.

    Looking so far for a schematic diagram or repair manual unfortunately did not find yet.

    Are the given data :RCA 61w20byx11 correct?

    If you have some experience on checking for cold solders any cracks, lose connections, condition of switch, power cord, etc do it according safety precautions and try operate again.

    All of the land patterns in the power area must be followed with a soldering iron and touching each suspicious component connection in the power area with the soldering iron. That may resolve the problem or you would have eliminated the possibility of cold solders.

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jan 15, 2008

    Your manual can be downloaded here

    http://support.rca.com/doc/Device_Docume...

    chassis must be ITC222. unzip 2 pdf files from the link below

    http://www.eserviceinfo.com/index.php?wh...

    check if these links contain usefull information for your TV.

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