Question about Sony KP-51HW40 51" Rear Projection Television

2 Answers

Red Screen I read through all the questions and responses and couldn't find the same problem my tv is having. the entire screen is red when i turn it on, i can faintly make out the menu screen, the color and brightness controls don't do a thing. i tried resetting and unplugging the tv for 15minutes and that didn't help at all

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  • tnbill66 Jul 08, 2008

     Sony mod #  KP-57WV700   rows of small red angled lines when screen firs lights up, then flashes red background in picture, was workinf fine when turned off night before.


     Any ideas 
     Thanks in advance

  • yz917f Jul 09, 2008

    when i start the tv the picture looks fine for a second, then red horizontal lines form for a few seconds then the whole screen goes red. the front light under the screen flashes 5 times. no diagnal lines though...

  • milo516 Jul 18, 2008

    screen goes red then completely black light flashes 5 times. Unplugged set for couple of hours still does it. please help.

  • ShineonWCS Jul 26, 2008

    Sony KP-51HW40



    Arched, thin red lines. However recently, after TV is turned on, it slowly fades to ALL red then turns itself off. Stand-by light blinks 5 times. When the ALL red event first happened, It was proceeded by a slight audible "pop" sound.

  • ShineonWCS Jul 26, 2008

    Had the red lines, etc. Just fixed my Sony KP-51hw40 51" TV using these instructions.



    http://www.somelifeblog.com/2007/06/sony...

  • echoside2002 Feb 08, 2009

    I got the tv from someone who didn't to fix it. I turn the TV on and it is a blood red screen. That sometimes fades back o noramal then flickers back to red. Please help!!! any solutions greatly appreciated!!! Thanks

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Yes I have the lines and the red screen

Posted on Jul 25, 2008

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  • Sony Master
  • 8,617 Answers

Are their little thin red lines kind of on an angle along with the red screen ? Please respond to this same post, I may be able to help you with the problem.

Posted on Jul 08, 2008

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SOURCE: Red Screen

There is some information on how to fix the failure on your TV. Click here to find the how is done, but be very careful about the high voltages surrounding the circuitry. If the adjustments do not work then you could probably will have a defective red tube or a video amplifier IC on the red CRT board.
Let me know if you need further assistance.

Posted on Aug 20, 2008

6ya6ya
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Posted on Jan 02, 2017

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I haveMy compaq presario CQ40 and my monitor screen got flicker always for past few days and more red horizantal lines @bottom of the screen, where i couldn't see the data,time,date... Plz help me...


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I do need some help.

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1 Answer

RED SCREEN


hell yeah,
the biggest mistake I did with this tv.all tubes need to be replaced and it burns a hole in ur pocket.no guarantee on tubes,sony aware of the problem but didnot recall these defective sets.
good luck.
nanz

Oct 27, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Red Screen


There is some information on how to fix the failure on your TV. Click here to find the how is done, but be very careful about the high voltages surrounding the circuitry. If the adjustments do not work then you could probably will have a defective red tube or a video amplifier IC on the red CRT board.
Let me know if you need further assistance.

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1 Answer

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The lines you saw, i;m sure they are the ones called retrace lines but know the failure could be located on the red CRT board. Most likely the video amplifier is defective and not necessarily the CRT.
What is the model number of your TV?

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http://servicemanuals.vstore.ca/

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Red CRT is dim....


Yes I did. You will need to get a service manual for this TV set to trace the voltage coming from the sweep power supply. If this is a problem that is new after you replaced the convergenbce4 board, you for sure have a broken wire or connection somewhere in the set. Have seen this happen may many times after a novice repairs a TV set. Good Luck

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