Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television

2 Answers

IC's in the TV

Red Shadows, colers not ajusted

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  • jke3116 Dec 27, 2007

    I have a jvc av-56wp74 and the red is all messed up my kid was playing the wii on it today and all of a sudden the red started streaking across the screen, i am not sure what to look at and i have tried to work the conv, auto and manual it seems to be out by allot. any infor on what to do or look into would be a great help. the tv is about five years old.

  • etj1615 Dec 28, 2007

    Video game also messed up the red. I am in the process of ordering two conv. chips. I will need step by step instructions as well. Thank you.

  • boley Jan 01, 2008

    The screen has red shadows, sometimes a steady offset, often dynamically bouncing around, and staticy looking.  The other colors seem steady.  I've tried disconnecting periphial equipment.  It seems to have started when I played an audio CD in my DVD player.  May have just been a coincidence.

  • TTitansfan Jan 03, 2008

    Please send me the step by step instructions as well. I am having the same problem with both red and blue convergence. have tried to adjust with auto and manual but it did not help although when I used the auto fix it worked for about five minutes then went back to the red and blue shadows.

  • mijade87 Jan 05, 2008


    jke3116jke3116 i have experienced the same problem, can you email step by step instructions as well as a product guide on where to get the parts

  • duffykev Jan 07, 2008

    was playing a dvd last night tv worked fine. woke up this morning and the same thing looks like red streeking across the screen kind of laser apperience.

  • chadjackson Jan 13, 2008

    I have the same problem as others. Red convergence is off. Can't fix it auto or manually. Please send fixing instruction and parts needed. thank you.

  • Heddy559 Apr 21, 2008

    I have a red shadow on my Samsung, Tantus rear projection HDTV. Please advise if there is a way to fix this myself.




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Yes i would need step by step assist and any other info would be good

Posted on Dec 27, 2007

  • jke3116 Dec 27, 2007

    Thank you, Yeah, I probley will need step by step,

    Here is my email address


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Replace convergence IC's.......Do you need step-by-step help?
Let me know.........T.

Posted on Nov 22, 2007


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2 Answers

The red coler has started to curve about a third of the way down the screen. everything on the the screen is distorted and doubled in red

if your picture looks 3d it is convergence problem.

This is a do it yourself repair if you have some skill.

I will tell you what you need and have start to finish, step by step instructions for this repair along with photos, and source for parts needed(parts cost will be under 30 dollars).

reply here if I can help.


Oct 24, 2010 | Mitsubishi WS-55807 TV

1 Answer

Red shadows in the picture

If convergence is skewed and will not adjust in the customer menu:

One or both of the STK-392-110 CONVERGENCE IC chips most of these sets use is bad.

Most of these sets have the convergence board all the way at the front of the set--you can gain access by removing front under the screen--that is held in by 2 screws on either side in the back and two tiny ones where the front control door is located.

Behind it there is a inspection plate--if you remove it you will see the board right behind it with 2 metal heat sinks2_bing.gif with fins. The chips are on the other side of the heat sinks.

This if you know how to solder etc is not a very hard set to do this repair on--Total parts cost if you buy them on Ebay (I can tell you the best seller there) is under 30 dollars.

If you think you can do the repair I can tell you what you will need and how to remove that board---the board is very easy to get out of the set--with it out you replace the chips and check for any damaged resistors--usually just both chips need to be replaced.

This type of repair usually takes me about a hour---I have done hundreds of them.

If you can not do the repair--most shops are going to get 300 or more for this repair.

Let me know if you have questions and I will help you.

If this information has helped you, rate this solution as I do this here for FREE.


Nov 29, 2009 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Red, Green, Blue curve upwards and cast shadows

that sounds like a typical Convergence IC problem..

this is a picture of what typical convergence ics look like

Mar 12, 2009 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

I cannot ajust the colnvergence blue is ok can"t ajust the red

Depending upon the set, the probable issue is either poor connections on the pins of the convergence IC or a defective IC. If you can update this with the make and model, I can confirm this and provide additional details and instructions.


Dec 09, 2008 | Televison & Video

1 Answer

Mitsubishi rear projection tv

replace vertical IC and shadows/ghosting the problem is either electrolytic capcitor or video IC or convergence adjustment

Aug 18, 2008 | Mitsubishi WS-65809 65" Rear Projection...

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try to adjust the colour and balance

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Red Convergence on JVC AV- 65WP74

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adjust coler settings download the latest driver for your system and update it all

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Tv has red

you need a repair tech. you probably have a bad convergence ic

Dec 26, 2007 | JVC AV-56WP30 56" Rear Projection...

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