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

1 Answer

Jvc AV-56wp74 convergence

I saw in a previous post that you could post links to the parts and step by step instructions to fix this problem. My red will not move left or right when I go into the manual convergence menu. Is that a faulty convergence IC? I see two black parts with numbers stk392-110 on them. I looked it up at partstore.com and they were $90 bucks each! is that right? If you have access to directions/parts for doing this repair could you please point me in that direction? I called a repairman and he said it would be btw 375 and 425. seems a little steep to me. I've worked on Xbox circuit boards before so I'm not totally new to a soldering iron.

thanks

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  • 3 more comments 
  • thehumanlynx Apr 08, 2008

    awesome. The site seems to be busy right now, but I will keep trying.

  • thehumanlynx Apr 08, 2008

    so after I buy the manual I can get the support? is that the gist of the site?

  • Timatron May 12, 2008

    I have the exact same problem with my AV-56WP74. My red will not move left or right when I go into the manual convergence menu. I see that is a faulty convergence IC. Where do I find the chips and resistors and are they stk392-110 and which resistors need to be replaced? Where can I get the instructions for free? I've worked on Aircraft electrical systems but have not soldered on circuit boards before. Thanks!

    Timatron

  • Timatron May 12, 2008

    When I asked where to find the chips and resistors that need to be replaced, I meant where inside the TV.

  • Anonymous Nov 28, 2008

    good to know what the problem is... thanks for the information guys

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  • JVC Master
  • 8,617 Answers

Yes here is the link to where you can get the parts along with free step by step instructions and even on line tech support by instant messaging while you do the repair. and yes your set uses 2 STK392-110 Heres the link check it out I am one of thier techs we have had alot of satisfied customers.This is an easy repair, we will even help you with the proper way to solder.
http://servicemanuals.vstore.ca/

Posted on Apr 08, 2008

  • Sonny Berry
    Sonny Berry Apr 08, 2008

    keep trying for sure we get swamped everyday with request for assistance. the evening is worse. But word has traveled that we give good tech support so we get alot of customers.

  • Sonny Berry
    Sonny Berry Apr 08, 2008

    Yes either the manual or parts thats how we take care of the operating expenses. The manual insures that you have the same info in hand that the tech has for safety as well as clarity in understanding whats dangerous to work around. But you dont really need to buy a manual as we give the free support to any one that gets the parts as well, plus we will give advice if you just want to leaave an email with your question by clicking the contact link on the lower left hand side info section

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2 Answers

Have a jvc i-art pro 56" from 2003 have a red halo surrounding images. what can I do to fix this and where do I acquire the parts? Thanks


Thats aconvergence failure. You can get the AV48WP74 convergence repair kit from www.tvrepairworld.com the kit contains the parts and the CD with detailed instructions for the repair.

Jul 10, 2010 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Bad convergence on my jvc model av56wp74


If you can solder and you are comfortable working inside a set where there are potentially dangerous high voltages, yes you can fix this. The problem is likely to be either bad connections on the convergence ICs or defective ICs. If you still have the results of the previous repair, please post those here and I'll provide you with additional details and instructions.

Dan

Dec 23, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Convergence problem with my jvc tv


Its actually a easy repair but its recommended that the convergence resistors need replacement as well. You can get the parts at the following link and they provide free detailed instructions with pictures. You need two STK392-110 Convergence ICs and you would need the JVC convergence Resistor kit #1 also. Heres the link.
http://servicemanuals.vstore.ca/

Aug 29, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

JVC AV-56WP74 Convergence part #'s


(2) STK392-110 Convergence Amp ICs
(3) 220 ohm 2watt metal film resistors
(3) 150 ohm 2watt metal film resistors
(2) 1.5 ohm 1watt metal resistors
(2) 2.2 ohm 1watt metal film resistors
(1) 1.8 ohm 1watt metal film resistor
(1) 3.3ohm 1watt metal film resistor
You can get the entire convergence repair kit which contains all the parts listed at the following link its called the AV48WP30 Convergence repair kit , but it applies to your model as well, and they include free installation instructions.
http://servicemanuals.vstore.ca/

Aug 18, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

JVC I'Art AV-56wp74


A repair facility will charge 400 to 600.00 for the repair. Or you can repair it yourself if you can solder. As both convergence ICs need to be replaced. They are STK392-110 you can get replacement ICs at the following link with free instalation instructions with pictures so you can do the repair yourself. Heres the link.
http://servicemanuals.vstore.ca/

Jun 15, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Convergence Issue


As I mentioned in the last post. I dont have the step by step. The site that sells the replacement ICs include the step by step instuctions with the new ICs. Heres the link.
http://servicemanuals.vstore.ca/

Mar 29, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

JVC AV-56WP74 56 in rear projection convergence


If you remove the lower front panel where the speakers are then the small access panel you will see the convergence module right there in the front. It will have the two Convergence ICs attached to that heat sink. They are probably STK392-110. Then if you would like let me know and I will post a link where you can get the parts along with step by step instructions on how to do the repair.

Mar 28, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

JVC AV-56WP74 Red Convergence is Off


Sorry,I don't send E-mail instructions......see my powered
products for many convergence repair solutions........T.

Mar 22, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Blue Shadow on my AV-56WP74 56 in JVC


http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

Dec 04, 2007 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Convergence problem


I have this exact model TV, and my red bulb was the primary culprit. I almost had it, but then a lot of fluid came from underneath the bulb? I had to turn it off in fear of electricution. Ended up selling the TV.

May 19, 2007 | JVC AV-56WP74 56" Rear Projection...

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