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

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I have a JVC-48WP74 rear projection TV. I had sears come out and they ID'd the problem as convergence and said I need a new STK392-110 and a 1.8 ohm 1 watt resistor that was blown. I replaced both STKs and the resistor and see absolutely no difference. I went to set up and did the auto convergence and the bottom line, the TV is just as it before I tried to fix it. Where else do I look now for fixing it???

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2 Answers

MY JVC TV SHOW GREEN RED AND BLUE


Thats caused by the convergence ICs and low ohm resistors. Very common problem with all rear projections. You can get the JVC convergence repair kit for your model from www.tvrepairworld.com the kit contains the ICs, Resistors and the CD with repair instructions.

Jun 16, 2011 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Cannot adjust the vertical red lines in convergence


converge stk's failing replace and check always check the big resisters for ohms replace even if they read off by 1 ohm any deveation here is critical to the performance.

Feb 06, 2011 | JVC AV-48WP74 48" Rear Projection...

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I have a JVC AV-48WP74 48 in. Rear Projection


Must know basic soldering and have tools like soldering iron,a desoldering pump or desoldering witchs to replaced parts on the tv convergencce board.U have none of these tools devices and never solder bsfore,better hire the tv tech. to do the job.Cost estimate 300-350 for parts and labors.Tries wesite like Tvrepairworld.com,Tvrepairkits.com to buy a whole convergence kit,to do it ur self,if u can?

Jul 25, 2010 | JVC AV-48WP74 48" Rear Projection...

1 Answer

JVC AV-48WP74 convergence


The ICs are most likely defective if the old ones allow the set to power up.

Nov 20, 2009 | JVC AV-48WP74 48" Rear Projection...

1 Answer

JVC AV-48WP74 BLUE CONVERGENCE ADJUSTMENT PROBLEM


Make sure you bought genuine Sanyo chips...if not goto www.TvRepairKits.com and get theirs.

Aug 05, 2009 | JVC AV-48WP74 48" Rear Projection...

1 Answer

I have a jvc av48wp30 tv and need a wire diagram


Looking the convergence board from the side of the resistors (The chips will be behind the resistors), you have from de left to right:

1.5 ohms, 150ohms, 220ohms, 2.2ohms, 3.3 ohms, 220ohms, 1.8ohms, 220ohms, 150ohms, 150ohms, 1.5ohms, and dispose horizontal in relation of the other resistors (the one near to the Ic is 2.2ohms and the other is 220ohms).

Hope this helps...

Feb 02, 2009 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Convergence problem


this convergence repair kit will apply to your model and they include step by step instructions.
http://servicemanuals.vstore.ca/product_info.php/pName/kp53hs30/cName/sony

Jan 11, 2009 | JVC AV-48WP74 48" Rear Projection...

1 Answer

JVC MODEL AV-48WP74


Convergence Issues Both STK392-110 ICs and possibly the 1.8 ohm and 1.5 ohm 1 watt convergence resistors as well. You can get replacement parts at the following link and they provide free instalation instructions
http://servicemanuals.vstore.ca/

Jun 20, 2008 | JVC AV-48WP74 48" Rear Projection...

1 Answer

JVC AV-48WP74 48 in


http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/

Jan 24, 2008 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Convergance Board JVC AV-48WP74


it will have a large heatsink with at least two large IC with the numbers STK392-xxxx
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 09, 2008 | JVC AV-48WP74 48" Rear Projection...

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