Question about Hitachi 43FWX20B 43" Rear Projection Television
The top left of my screen all of a sudden has a red curve. I checked the alignment and the red is not aligned. How do i fix it or align it.
Your TV most likely a convergence failure. ( common problem )
Here are some of the most common symptoms and example photos of a convergence problem
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.
You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.
Posted on Jun 20, 2009
Your first going to need to go to http://www.servicemanuals.net and download a service manual. Look at the schematic diagram, locate the convergence IC's an then order them from http://www.partstore.com Then hopfully you know how to unsolder solid state electronics. If theres a step in here you dont understand, like reading a schemastic, then a TV set is NOT the place to be experimenting around inside of. please seek out a pro to assist you in this repair.
Posted on Sep 12, 2006
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Posted on Jan 02, 2017
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