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

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Help with jvc projection

We woke up after the storm and our tv was out of focus the red. we did auto focus and still nothing will happen what do we do?

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You will need toreplace both convergence Ics they are STK392-110 ICs you can get replacement ICs at the following link with instalation instructions.
http://servicemanuals.vstore.ca/

Posted on Jun 07, 2008

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We went to auto focus on our tv. It shook wildly the when the picture came back the picture is bent. When looking inside the tv the green and red are being projected bent at the top and bottom. Please...


You need to replace the convergence IC stk392 -110...2 resistors and a fuse. located in the deflection board of your tv and after you can press auto focus and the picture will be normal.

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Sony kp-57hw40 double picture. regular and the other right next to it is red. tried auto focus and nothing happens. while holding auto focus btton down get red cross and white next to it. tv is 9 years...


Auto Focus button no longer work.Tv have a problems known as a convergence problems,it dead.Tv have colors lnes R,G,B mis alignment,have colors shadows pictures or 3D pictures look alike.The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts,must be replaced on the tv convergnce board to solved the tv pictures convergence problems.The shop,will cost u like $300-350 for parts and labors.

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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

TV won't turn on


Sounds like you have had a powersurge during the night.
The power supplies on both units will have to be inspected and repaired. The expense for this type of thing can grow rapidly depending on how much damage has been done.

Check your other appliances and see if they are all OK like the washing machine other tv's etc.

If there was any kind of storm activity during the night it could have also been a lightning strike to the antenna.

Hope that helps.

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You have a convergence problem. Components are shorted out and must be replaced. Unless you're a technician, there's really nothing you can do at this point.

C-Dog

Feb 03, 2008 | JVC AV-56WP74 56" Rear Projection...

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Terrible thunder storm can create electrict shock to our appliances thats why we recomended that if you donot use your tv pls unplug it, and it mostly if you use outdoor antena when the thunder hit the tv will damage.

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If the shadow is only red, you can check your convergence and see if aligned first and then, check to see if in red bias my need to be turned down a bit.

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enter your menu set up and turn off auto focus and see what happens then,also check your other settings while your there.

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JVC AV-56WP74


sounds like a power supply7 problem such as a power regulator is bad or maybe the Horizonbtal deflection cu8rcuity is defective. sounds like something if you ask me? should be taken care of by the pros??? Im sorry not being able to assist you better but these sets have hundreds of volts nin them and shoulnt be played with by an unauthoized service company.. Good Luck

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