Question about Panasonic PT-51HX41 51" Rear Projection Television

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Blue Crt? or Lamp?

I just recently got this TV that was given to me, the only problem with it is the blue picture does not show. The Green and Red show fine and kinda overlap each other however the blue has gone out. Is this a lamp that I can replace or do i have to replace the entire CRT for it? Are there any diagnostics that I can do to check if the Blue is working or not?

Posted by rocketrod21 on

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What most people do is a simple one a white pice of card and simply phocus your blue,green and red on the board...till they show if blue fails to illuminate then a shop maybe the answer as you dont want to start messin around if you dont what you are doing,,,

Posted on Aug 10, 2007

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IGO tv connected with dish sound come from tv but pictur not show only blue color show


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Pl. check audio/video cord for proper connection on both the ends,as there is possibility of connection problem,in DVD separate output is given for RED BLUE and GREEN.

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1 Answer

I was just given this t.v because friends couldn't figure out what is wrong with itl. The colors don't line up right,looks kinda blurry depending on the lighting of the program being watched. How do i fix...


According to the manual:
1) go to the "TV Main Menu"
2) Select "Screen"
3) Select Adjust Projection TV (obviously only if a projection TV).
This then allows you to adjust the TV's 3-colors. Selecting GREEN CENTERING brings up a control panel that lets you center the green projection tube on the screen. Selecting RED CONVERGENCE or BLUE CONVERGENCE lets you align the Red & Blue projector tubes. Centre the green projector tube 1st. Then adjust the red & blue until the test pattern on the TV screen appers white.
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1 Answer

TV picture is red.


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Double Vision


My Dad had a Hitachi rear projection with same problem blue and red were fine green was out of allignment and could not fix. Problem was the acual projector inside TV the cost for repair was more than TV was worth went out bought plasma.

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Green Picture


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Picture is yellow and green


Your missing the red drive on the set. Its most likly the picture tube. Its a possibility that the red drive circuit could be not working so the best thing to do is take off the gree picture tube socket and put the green board on the red tube. Of course do all this when the set is unplugged. if you have no tv experience. its not a good idea to be messing around inside of these sets.

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