Question about Sony KV-36XBR450 36" TV
My XNR200 is about 7 years old. Recently, the color in the lower left corner is green. For example, when watching a hockey game with a white sheet of ice, the lower left corner of the screen is green - about 12" tall by 4-6" in. I've reset everything and turned the TV off for 24 hours. It is still gree in the corner. Is there anything I can do to fix it?
The most common cause is, shadowmask inside of the CRT is magnetized. It sounds by your description that the TV's internal degausser for the CRT is not working. This is serviceable by a service tech.
Most of the time the cause of a failed degausser is the thermoresistor. This is a common type of failure.
Another cause that can show the fault you are seeing is if the shadowmask in the CRT is defective. Sometimes the mask is damaged when the set is being moved, and is accidently banged against something. The CRT is sensitive to this type of treatement.
If the mask inside of the CRT is defvective, the only fix is a new CRT.
Posted on Apr 25, 2008
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Posted on Jan 02, 2017
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