Question about Hitachi 51SWX20B 51" Rear Projection Television

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51 SWX20B Rear Projection Hitachi ....screen getting dark...need help

Appreciate any help in understanding why our 51SWX20B Hitachi screen is getting darker. Brightness, Contrast, and related adustments help but very minimally. The set seems to be getting worse. The CRT's are working but I'm not sure if they are working to 100%. Any solutions? A friend told me to disconnect the CRT from the boards and blow out any dust, etc.. I'd like to do this but I here the CRT's hold a significant "charge". How can I short out this charge?

Your help is appreciated.

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It's not the crt's themselves but more like the anode line coming from the crt. This will need to be taken out of their sockets and cleaned the metal tips on each. Yes it has high voltage in this area. So unplug and discharge whole set and still be careful.

Posted on Dec 27, 2007

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Posted on Jan 02, 2017

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