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

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Convergence off. Repairman said IC and one resistor bad. I am certified for soldering boards. I just finished replacing these parts he listed on my reciept. He also said adjust.. How do I adjust the convergence now with the remote??

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Re: Convergence off. Repairman said IC and one resistor...

Get the remote and go to Menu and go to Initial Set-up and click on the convergence button. You will then be able to line up the pluses in the middle of each color. When they are lined up you are ready to go.

Posted on Jan 17, 2007

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Colored lines at top and bottom when tv comes on and seeing double vision in different colors at all times

If your tv is not a DLP the problem is in the convergence, try to adjust it using your original remote control go to the setting menu then to the convergence section. Adjust the red and blue convergence. you should move the red and the blue in up, down and left, right if this color does not move far enough your convergence IC is already defective. Replacing this convergence IC will solve the problem. In locating this convergence IC you should remove the back cover of your unit but be sure to unplug it before doing this. This convergence IC is attached to a large aluminum plate, it is the heat sink, and it has a marking of stk- ### followed by numbers. You can try to pull it out using a soldering iron and soldering pump but be careful you may damage the board and cause much problem to your unit. Or you can contact a technician to do it for you and save you from stress good day and best regards.

Aug 28, 2011 | RCA Projection Televisions

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Mon image est en trois dimensions

Hi Franceg40,
The main reason of your problem is the convergence board gone bad, check first the bad solder joints in the board, you may replace the convergence IC and resistor around or the entire convergence board for your convenience.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Feb 15, 2011 | Sony Grand WEGA KDF-60WF655 60" Rear...

2 Answers

The picture has double images and looks kind of like it is 3D.

The tv have a problems known as a convergence problems,it dead.The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.The tv convergnece board,must have these parts changes on the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Dec 31, 2010 | Panasonic PT-47WX49 47" Rear Projection...

3 Answers

Double photo

Replace both of your STK ICs STK392-110s use 150s Mats has Them 1-800-628-1118

Jun 02, 2010 | Sony KP-46WT510 46" Rear Projection HDTV

2 Answers

JVC AV56wp74 convergence. Resistor before ICs?

It's recommended to replace all the defective parts first because if you only replace the defective resistor, it might burnt again if the convergence IC is shorted internally. I would also suggest to measure the other low value resistors with multimeter.

Oct 30, 2009 | JVC AV-56WP74 56" Rear Projection...

2 Answers

We have a problem with the ghosts. double people and colors are all over the place. went to convergence and tried to enter to go to auto or even manual but only got lines of different colors can we fix...

Need a repairman - unless you've done soldering and electronic component replacement b4.
convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail

Oct 24, 2009 | JVC AV-65WP74 Rear Projection Television

1 Answer

Red convergence will not adjust horizontally

Only two possible reasons; First the resistors are easy to miss-check-----and also take the chassis up and make sure all the solder connections and foil traces to them are not damaged---Second:The circuit board that plugs into the main board just to the left of the rear IC is the sets DCU---it stores the memory of all the convergence adjustments--it could be bad. The real Question is IS THE CONVERGENCE BAD NOW IN EXACTLY THE SAME WAY AS WHEN IT WAS BEFORE YOU REPLACED THE 392-120 ic's? If it is bad in a different way you may have installed a new IC that is bad---does not happen often but does happen--the most common cause for this is less than perfect soldering on the new parts.

If this has been helpful give me a vote here--I do this for free

Aug 22, 2009 | Projection Televisions

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Auto convergence

Bull!!!!!!!!! i dont think he knows what hes doing....
you can send the board into have them check it out, it's the board with big black iC stk392-XXX send that one in, you convergence is done thru the menu system.

Feb 15, 2008 | Philips 55PW9363 55" Rear Projection...

7 Answers

HC-P4752W - IC Replacement vs Convergence Module.

The colors weren't lining up correctly on my HC-P4752W which is only about 30 months old. I did a little bit of research and got ahold of the people at They recommended replacing the IC's as well as the IC resistors. I purchased the replacement parts from their site and made the repairs myself. I should mention that I didn't have any previous soldering experience. The repair was easy and a complete success. You may find replacement parts elsewhere for slightly cheaper but what you won't find is the prompt and detailed customer service that they provide. They gave me there # and said to call if I had any questions before or during repair. I took advantage of their services and got answers every time I called.

Aug 11, 2007 | Samsung HC-P4752W 47" Rear Projection...

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