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There is a fault with the light engine.one of the chips in it is faulty .there is a you tube video showing the fix.unfortunately the chips cost around 150 pound.
The tv hyber board also known as the tv convergence board it is dead.Yes,if u have all the tools and also can do ICS chips soldering works?Yes,Tries websites like Tvrepairworld.com,Tvrepairkits.com to buy a whole complete convergence kit belong to ur tv make and model replaces those 2 STK conconvergence ICS and some or all of it resistors too by ur self.Or the shops will cost u like $300-350 for parts and labors.
U replaced 2 STK convergence ICS right?U check all the resistors too,and replaced it right?The convergence problems usally reset it back by it self.If all convegence parts are replaced correctly,and finish.
this does require soldering the ic's you have to change there are two of them plus sometimes you have a bad resistor or two and some bad pico fuses if you can solder and have a meter you could do it
If you go into the customer menu and select convergence and red or blue
are skewed and will not adjust---you have a convergence circuit problem.
51f500 uses two of the STK-392-110 OR STK-392-150 convergence IC chips. Both are the same but the 150 chip is a longer lasting part than the 110 chip. Both chips and any
bad protect resistors around them need to be replaced and the set
adjusted with the Hitachi remote.
Most of the time just both chips need to be replaced and the set adjusted.
Considering
you can buy all the parts needed for under 30 dollars on Ebay if you or
someone you know can do this repair you can save a lot of money--most
shops are going to get 300 or more. I can give you general instructions
and tell you the best seller to get the chips from on Ebay---I buy the
ones I use there.
Let me know if you have questions or need advice-I am here to help people.
If this information has helped you rate this solution as I do this here FOR FREE.
You have 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 but stationary.
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.
>>>Solution<<<<
You need to replace the convergence chips and convergence resistors.
Check the site www.TvRepairKits.com. They have put together a kit for your exact model. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc. Everything you need to fix it yourself.
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