Question about Toshiba 57H84 57" Rear Projection HDTV-Ready Television

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Loss Of Blue Color

I have lost the color blue on my television. I am also seeing a strange red hue surrounding some images on the set. Does anyone have any idea what this could be?

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Thanks a million i got a 54" RCA I had HD cables connect to the DVD-Recorder some how I aways got a blue screen but know you fix my problem.  Thanks a million know my 54" RCA works fine.

Posted on Oct 14, 2007

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The loss of blue could be one of 3 things. First of all if you are connected to a HD cable box or a HD sat. recvr. using component cables. Make sure the BLUE connection hasn't fallen out or is loose. The possibilities is the blue CRT (picture tube) itself or something in the blue CRT driving circuit.

Posted on Feb 26, 2007

  • Don
    Don Feb 26, 2007

    The red hue outline could just be convergence alignment needed.

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Yellow hue


1)Please verify your model # from back of set......

2)Reduce the color to minimum or tune in a black & white chan.
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3)Remove lower front grill cover & access panel.....locate the
focus / screen control block...turn blue screen control slightly
CW......red,green and blue must mix to equal gray

4) reset color to normal level.......reassemble

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