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Hello, The red light blinking on this set means the Lamp has failed and needs to be replaced. The lamps in these sets are user replaceable, and when the lamp fails- it triggers the set to click off and the red light to begin blinking. The correct OEM lamp for your set (which is the only one recommended by Sony), is available for purchase at the link below:
Instructions on replacing the lamp in your set can be found at the link below on page 44:
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