Question about Toshiba 50HX70 50" Rear Projection Television
Toshiba 50hx70 it is about 8 years old. on the bottom part of the screen the green is arched up above the red and blue and gives a double letter effect... thanks for any help
It sounds like a convergence gone bad.
This requires either a competent shop or an experienced technical person who can solder and has experience in replacing Integrated Circuits.
The shop will charge around $300 to $400 to do the job.
If you can do it yourself or have a technician/engineer friend the cost of parts will be around $60 - plus lots of labor.
The convergence system will require both STKs to be replaced. They are 16 pin Integrated Circuits and must be unsoldered and the new one soldered in. Often there are a couple of resistors burned out that need replacing also.
You can often find the STK part number easily by going to www.partstore.com and chase down the part. When you find it on partstore.com you will learn their price is about $40 each. But, you can locate this same part from other suppliers by googling the STK number and find them for $6.00 and up. But, I do not recommend the cheap ones as they don't last long. The $20 ones are probably okey.
The STK for your model is the STK392-110T.
Hope this gets you started.
Posted on Dec 29, 2008
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