Question about JVC AV-56WP30 56" Rear Projection Television

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Convergence cant get to adjust right

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  • nemajo07 Jan 27, 2009

    cant get the green + to adjust

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2 Answers

Albert Vasquez
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You have two convergence amps that need to be replaced on the convergence board.This is a very common problem with these units.The part # are STK392-110 but I would upgrade to a STK392-120 or a STK392-150.Also there may be a couple of low ohm resistors that need replacing.Depending on your electronics experience this job is pretty much a straight forward soldering job that requires a certain amount of knowlege.These parts can be obtained from partsstore.com.I as a technician charge between$185.00 in shop and $250.00 inhome for this repair.It is well worth it as this particular chassis really did`nt hve very many problems, and once fixed you will have a like new picture.Good luck!

Posted on Jan 20, 2009

  • Albert Vasquez
    Albert Vasquez Jan 20, 2009

    I agree with Ronnieh49 you do get a lot of diffrent answers that can make your problem confusing,but I also beleive that if I`m going to give advice on something that I do day in and day out for the last 20 years ,I`m going to make sure that the information I give is the best that it can be.It`s a waste of your time and my time to give false information and I make it a point to avoid such situations.95% of the JVC projection TV with this chassis that I work on require the parts I indicated.When I take a call as such these are the parts I take with me.The only other fix I know of for this set is.. Go into the Menu and select "Convergence" select the option reset and reset.If this does not correct the problem you need the amps replaced.This is a very common problem and as I stated it is a very detailed soldering job.Call your local repair shops and share this information with them.Any repair shop in buisness can only make money if they fix the problem and.you have to agree that the price is fair.Good luck!

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Its hard to adjusttheconvergence once its messed up and i know you dont want to hear this but your best bet is to have someone come out and reconverge it for you so you doont go nuts trying to do it and not get it.i don like tv repairmen as a rule but they do know what they are doing and no matter how many people you ask on here you will always get a different answer

Posted on Jan 20, 2009

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1 Answer

I CANT ADJUST THE RED VERTICAL LINES ON MY JVC REAR PROJECTION TV. i HAVE DONE CONVERGENCE AND MANUALLY ADJUSTED THE RED LINES HORIZONTALLY, BUT NO LUCK WHAT CONTROLS TO USE VERTICALLY
If it will not adjust up or down or left and right the convergence chips need to be replaced.

See attached photos of board that is in your set:


10_16_2011_2_52_30_am.jpg10_16_2011_2_52_47_am.jpg


This can be a do it yourself repair and the parts do not cost a fortune.

Can I help?

SD TECH

Oct 16, 2011 | JVC AV-48WP30 48" Rear Projection...

1 Answer

I have a Samsung TV (SP-54J8HF) and it has problem with convergence setting i.e. (double vision). when i setup convergence setting (green is moving up/down/left/righ but red is moving up/down only, and...
if you cant adjust it manually your convergence is defective

Oct 12, 2010 | Samsung Televison & Video

1 Answer

Flash focus,convergence not adjusting pic quality currently have green to the left and red to the right cant adjust into alignment
Thats a convergence Failure. You can get the Sony type 1 convergence repair kit which is the correct kit for your model at www.tvrepairworld.com the kit contains the replacement parts and the CD with instructions for the repair.

Jul 18, 2010 | Sony KP-57WS510 57" Rear Projection HDTV

1 Answer

Rca p56926 screen is concave and cant adjust convergence in menu
Convergence can only be repaired by going into the unit itself....You MUST know how to do this or risk a lot more problems.....seek qualified assistance!

Aug 29, 2009 | RCA P52926 52" Rear Projection Television

1 Answer

Color convergence drops on left side
Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

Mar 13, 2009 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Cant adjust the blue its all over screen its a hitachi 65s500
Do not adjust any knobs as instucted in the previous thread if you TV have a convergence problem. Doing so will only make things worse. The blog does however show you how to fix other common problems with these sets.

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

Mar 02, 2009 | Hitachi 65S500 65" HDTV-Ready Rear...

1 Answer

Blury ,double vision, and cant brighten up
Solution:

Your TV has a convergence problem. Here are some of the most common symptoms.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in or warped.

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence or magic focus section.

Try to adjust the convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

Its a fairly easy fix on the Hitachi sets.

You can get a repair kit that includes all the parts from www.TvRepairKits.com. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself.

Jan 29, 2009 | Televison & Video

1 Answer

Convergence issue
try fixing the convergence 2 after your've aligned the convergence 1 - the second (accessed via the set up control) let's you adjust on 9 different axis to align the red and blue tubes to the green. you select which + sign you want to adust by pressing the corresponding number for the + ie 1 for the top left, and 9 for the lower right corner.

good luck (note - you cant change the green only the red and blue, if the whole edge is a mess try moving the image (you need to be in zoom mode, and then access the position adjustment via the pitcure set up screen.

Nov 05, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Convergence
Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

42d3683.jpg

7859b01.jpg

e87380c.jpg
Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Oct 09, 2008 | Mitsubishi VS-50803 50" Rear Projection...

3 Answers

No color adjustment
51f500_51_in_rear_projection_hdtv_190581.jpg

Problem with Hitachi 51F500 51 in. Rear Projection HDTV-Ready Television
i want to learn how to do convergence on my tv its a hitachi rear projection i have problums with colors not aligning,could you lead me in the right direction ps: i don't have the remote so i

can't magic focus

Posted by avatar13.jpgejaparks on Mar 03, 2011

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Solutions (1)

Your convergence has failed and needs to be repaired. Once quick test is to goto your convergence menu and see if you can adjust red and blue. If not its has failed and needs to be fixed. You can call in a repair shop or you can get the parts and instructions from www.TvRepairKits.com and do the repair yourself. Its a fairly easy DIY fix.
Here is an example photo.... louis66_0.jpg

Jul 04, 2008 | Philips Magnavox 9P6034C 60" Rear...

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