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Tv not working

My tv colour is going blue

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First thing to do is to resolder the crt board basically, its always just a simple loose connected component.but u need a prof serviceman to do that..hope this help..thanks

Posted on Feb 08, 2008

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If the screen is totally blue(ie no picture information) it sounds as if it's time for a new pix tube or a new set..sorry...accordianman

Posted on Feb 07, 2008

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What are signs of picture tube going?


Signs of a CRT going old, are bad focussing, unnatural colours and hues of a certain colour (red, green, or blue) if you watch black/white pictures. In colour pictures, black sequences also show hue.

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No green and yellow colour


Hello
If you see the picture in yellow colour, means that there is no blue colour output from the video drive section in your tv, Yello is the mixtrure colour of red and green. Green is actualy there. blue colour is absent.
To detect this fault, you must open your tv. Just look in to the video output section, can be located at the picture tube base card, which is plughed into it diretly. See for any loose soldering points there. Check whether transisotors are used for red, green and blue output stages, or an Ic or three seperate Ics are used for this purpose. Anyway, blue catode of your picture tube pin gets a hig voltage, and so the blue emission is absent. You just check the voltages at red,gree and blue catodes, at the respective picture tube pins, which can be taken at picture tube base card. All of these three pin voltages must be somewhat equal to each other. In your case, no voltage at blue cathode will be higher that the other two. Check for the reason. It may be due to an open video output transistor [blue], or an Ic, of one Ic if used for the three colour outputs. Check and replace the same, will rectify your problem. Ok
If you have andy difficulty, get it to me through Fixya. Ok
Gopakumar, India.

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My Samsung LCD TV slowly flahses colours, each about 2-4 seconds


hi,

your lcd is in test mode. you may try off the power. press and hold menu + source + power on.

this should go back to normal mode.

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When using component cables(red, green, blue )


The series of the cable should go green red blue into the back. if you put the green in the red and the red into the green it give the TV a red base to go off of for the picture so everything is red. The reason the green cable won't is because it transmits a black and white picture which allows it a nice base to add the green and red to.

Feb 24, 2010 | Samsung HP-R5072 50 in. Plasma HDTV

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Problem with a colour display on Hisense tv


If your picures are all purple it means that the green colour is missing. TV colour is made up by mixing Red, Green & Blue. Removing Green leaving Red & Blue makes purple. Study the green colour circuit for a fault and confirm that the green gun inside the tube is working.

Aug 31, 2009 | Hitachi 60SBX78B 60" Rear Projection...

1 Answer

Distorted Colours


your graphic card is going out

Jul 11, 2009 | Microsoft Xbox 360 Console

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Colours turns blue and green from HD channels


The most likely cause of your problem is the cable box HDMI output. If you have some extra cables, try connecting the TV to the cable box using the component connections. I'll bet your problem will go away. Don't let the cable company lie to you; I work on Sony TV's everyday and see plenty of cable box HDMI issues. Some of my customers have exchanged their boxes 4 or 5 times and still have HDMI issues. Your best bet is to use the component outputs or switch to Dish or Direct TV, as they DON"T have HDMI problems. If this solution works, be sure to rate it. Thanks!

Nov 11, 2008 | Sony KDF-E42A10 42 in. LCD Television

1 Answer

TV COLOR WENT BROWN IN COLOR


It could not be the playstation that would cause the fault. The set was probably going to fail anyways.

A brown casted picture sounds like there is a loss of the blue colour drive in the set.

Some TV sets have colour temperature adjustments in the user menu. Check to see if your TV has that option, and that the colour temperature is properly set up. You can refer to the TV's instruction booklet for details.

A loss of blue drive can be from failed components in the video path, or in the bias circuits that control the CRT's cathold current.

It is also possible that the CRT is going defective, and is losing emission from the blue colour electron-gun.

You will have to bring the set to a service center that has an experienced TV tech who can make proper diagnostics, and give you an estimate for the cost of repair.


Jerry G.

Apr 29, 2008 | Philips 55PP9352 55" Projection Television

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