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• Blurred, snowy picture: Turn on your projection TV and wiggle the coax cable from your cable box or antenna where it connects to the TV. If the picture fluctuates, you know that you have a loose connection, or that the coax cable is bad.
• Blotches of color on the screen: Caused when your projection TV becomes magnetized. Use a strong magnetic coil and make circular motions around your projection TV screen starting on the upper left corner. Increase the size of the circles you're making until you've covered the entire screen. Slowly move away from the screen; continuing to make circular motions with the magnet. When the magnet loses contact, the color blotches should be gone.
• TV shuts off randomly: It's usually caused by overheating. Remove any heat-emitting objects or anything that may be insulating the TV and causing it to overheat.
• Speaker emits static: Follow the remaining steps to replace a speaker.
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