Question about Projection Televisions

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Bush AK37 32" screen old style TV , 6years old. Screen looking pinkish. All whites show as pink, as if one of the 3 colours is missing.

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I think its time to change the components of your tv,as it is 6 years old.The problem may be due to the picture tube or due to the fault in the output transistor ,check both and proceed .Better give the tv for service

Posted on Jul 07, 2008

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Hi,
Possible bad output transistor (red/green/blue) or other component in the screen circuit or the picture tube itself could have an element shorting to ground inside the tube. You will also notice diagonal lines with this.

Good luck

Posted on Jul 07, 2008

  • Priya darshan Jul 07, 2008

    You need some capacitors replaced. They dry out over the years and can no
    longer function correctly. Take it to a TV repair shop and they should
    be able to get it working fine again.

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I would suggest to adjust the tint to about 50% first. If that does not work, there could be dry solder joints on the video amplifier board that is connected to the CRT.

Posted on Jul 07, 2008

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The rgb board is faulty

Posted on Jul 07, 2008

  • Ginko
    Ginko Jul 07, 2008

    The rgb board inside tv is faulty and is starting to give problems, a repairman can fix it testing and eventually replacing blown component (often a capacitor) on rgb board or replacing the whole board.

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1 Answer

Colour on tv screen


It sopunds like you have a color convergence problem, if this is the case and the CRT tubes are ok then you are looking at about $500 to repair the TV.

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The tv picture looks like should be wachting it whith 3d glasse


This is a very common failure on Projection TV sets. Its called a convergence failure. Here are some common symptoms.
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  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
The other common problem is cloudy lens fluid. After many years the coolant in the blue and green lens will become cloudy and cause the screen to look dull, red/orange, bright white, etc. You may even see halos around objects on the screen.

You can see some example photos and find a solution here on Fixya.

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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The screen is doubled and pinkish blue kind of like 3-d screen


this is aconverson problum.
first tv-set menu open and select converson option select and see to screen CENTRL cross line in 2 or 3 colour [RED /GREEN /BLUE] hten set on your REMOT cantrol arow key or [ ch+ ch- v+ v-] up down to arow key an set all colour line is meching with centrel and see cross line is complitly waite an d seethe pictur is normal ...
if not converson seting facility in the menu system pls. set your tv-set with tech . he is set menualy sum time's

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