Question about Samsung HC-R4755W 47" HDTV
Over time your blue CRT in the back of your set develops a fungal growth that covers up the glass and prevents light from shining through clean this off with a cloth dampend with waterd down bleach. While you're in the back of the set clean all 3 of the tubes of with this solution. After that wipe the back of the screen off with a dry cloth. Wipe the delfection screen of as well this is the screen that is diagonal to your front screen it actually deflects light to the back of the screen you watch. These can become very dusty over time and block light. This should fix your problem. If it doesn't the fluid in your 3 cathode ray tubes is cloudy and will have to be changed by a tech.
Posted on Aug 05, 2010
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Posted on Jan 02, 2017
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