Question about JVC AV-48WP74 48" Rear Projection HDTV-Ready Television

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Bending red lines

I have bending red lines, any help out there?

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Your convergence Ics and convergence resistors need replacing. You can get the convergence ICs stk392-110 and the resitor kit for a JVC at the following link with free instalation instructions.
Heres the link.
http://servicemanuals.vstore.ca/

Posted on Aug 04, 2008

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Green color is like a arc how to fix it,red color is fine blu color is fine just the green is like move out the line but like a arc no straith line like curb up how i bend the green dow so can be line up...


There is a problem with one or possibly both of your convergence amplifier IC's. They both handle some of the green convergence. It should not be extremely costly to have repaired. Do have a technician check it out. Convergence adjustments are tricky. Thanks for using fixya.

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I had a convergence problem on my Mitsubishi WS-65711 where the red and blue was bending outward from center giving a 3D effect. I replaced the STK pack and the red and blue look good now, but now the...


green is base line center and some times is not adjustable
.Did you replace both convergance chips?
also there are 6 , 2.2 ohm res that get out of
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Projection lights don't line up


Sounds like your convergence chips have failed. This is a common problem. You can get a repair kit from www.TvRepairKits.com .

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I have a projection tv that has a yellow bending line


It sounds like you need the convergence amplifiers replaced. Are you an expert solderer? If not, I would have a qualified technician repair this. Most places here in Alabama will fix it between $200-$300.

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It sounds like bad solder connections in the convergence output circuit. It may also be an intermittant convergence output ic which will need to be replaced.

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1 Answer

Projection lights don't line up


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

You can see more examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 04, 2009 | Hitachi 53SBX59B 53" Rear Projection...

1 Answer

Red line runs from middle of screen to right bottom and bends in middle


look the only thing u can do is have someone put the parts in for u the parts alone is 40-$ 60.00 and maybe $ 150 in labor that is all u should have to pay. that is what i would charge a customer to repair there tv set and it can be service right there in your home.i hope this helps marty

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Convergence


Try and Pushing action and the power button at the same time it does a self check hope this helps

Aug 30, 2008 | Panasonic PT-51HX41 51" Rear Projection...

1 Answer

Red bending lines shadowing all other correct parts of the picture


you can get the convergence repair kit to fix your model JVc at the following link look under the convergence repair kit category, they provide free step by step instructions with pictures so you can easially do the repair yourself. heres the link.
http://servicemanuals.vstore.ca/

Aug 03, 2008 | JVC AV-48WP74 48" Rear Projection...

1 Answer

42 " Panasonic


have you ck 2.2 ohm resistors, try looking near ics ck all low ohm resistors.this can cause your problem.

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