Question about Samsung PCL541R 54" Rear Projection Television

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Samsung Projection TV - Yellow White Level and Auto Focus Failure

I have a Samsung PCN5425R projection TV. The picture is not terrible but the auto convergence (Perfect Focus) stops at 27% complete for each color. When I adjust the convergence manually, I still get a very slight green edge to the images. Can I adjust this or does it require repair? If repair is required ,would it be expensive?

I also noticed that the "white level" on this set is substantilly more yellow than my new Hi Res LCD TV. Is there a problem with the Samsung projection TV with its yellow color or are my expectations just too high relative to an LCD?

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  • Morris1969 Jan 04, 2008

    Can I put the set in service mode and manually adjust the convergenace myself or does this require a technician?

    Will the convergence adjustment address the issue of the yellow tinged white level or is that a differnt problem?

  • Morris1969 Jan 04, 2008

    The progress bars only go up to 27% on both the red and blue adjustments when using Perfect Focus. Again the picture is pretty good, just a slight green edge. The yellow is more of a problem. I should mention that this projection set has been in use at least 12 hours/day every day for 4 years.

    Would this be a relatively inexpensive repair/adjustment or would you recommend spending the money on a new set?



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Perfect focus is based on service mode convergence. FActory setting as it were. the set needs to converged in service mode then these values stored then it should work

Posted on Jan 03, 2008

  • 2 more comments 
  • Willie Howell Jan 04, 2008

    the yellow tinged may be a problem with dirty glycol fluid. ussally in the blue tube. i seen a few samsungs with that problem

  • Willie Howell Jan 04, 2008

    I just thought of another thing. Dirty GLYcol fliud also interfers with perfect focus. The sensors have trouble seeing.. does perfect focus stop when the blue is up?

  • Willie Howell Jan 04, 2008

    With that kind of use it will cause the tubes to grow dingy. these sets are really not that much trouble to fix... replaceing the glycol in the tubes is somewhat labor intensive. involve removeing the tube. the setup issue the green edges not difficult at all.. tech should be able to do in home. In my shop u would expect to pay 125 to 250 for repair. less if you can live with the yellow ting. Samsung doesnt generlly replace glycol..they replace the tube. depending on set. So if you can get the convergence touched up and the glycol replaced I think it would be a good option. I would have to recommend repair

  • Willie Howell Jan 04, 2008



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