Facing TV Problems? Ask a TV Technician.
Hello, 3 blinks of the red light means the Lamp cover is open on the set or the lamp is not installed securely. Did this issue happen right after replacing the lamp
If so, then unplug the TV from power, then carefully remove and reinstall the lamp making sure it is secure. Close the lamp door securely then plug the TV back in and try to power it up.
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