The Optical Picture Control technology on a Sharp Aquos TV automatically adjusts the brightness of the screen. When you have the OPC turned on, the OPC LED turns green. A flashing OPC LED is an alert that something is wrong with your Aquos television. Typically this warning occurs after a power change or part malfunction. Although the pattern of the flashes can vary by model and service issue, you can perform some basic troubleshooting to rule out potential causes and attempt to fix your TV.
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Check the power cord where it connects at the back of your Sharp Aquos TV to confirm that it isn't loose. If it is loose, push it into the port completely and check the OPC light. If it's still flashing, power cycle your TV: unplug it at the electrical socket on your surge protector or wall, wait two minutes and then plug it in again. An interruption in the power to the TV may have caused a malfunction resulting in the OPC LED flashing.
Go to the Sharp Product Downloads page and look for a firmware update for your Sharp Aquos TV's if the flashing continues. Select "LCD TVs" on the Select a Product Category drop-down menu, select your model number on the next drop-down menu and then select "Firmware."
Click the link that appears in the Search Results Download area and follow the on-screen instructions to download to an external USB storage drive if applicable for your specific model. Once finished, plug the drive into the USB port on your TV and then follow the on-screen instructions. When you receive on-screen confirmation of a successful update, select "OK," remove the drive, turn off your TV, wait a minute and then turn it on again to see if the update corrects the problem.
Contact the Sharp Aquos Advantage Adviser line at 877-332-7867 for additional assistance if you can't get the flashing to stop. Provide the adviser with information about the troubleshooting steps you've already taken. The adviser may walk you through additional steps specific to your TV model and the LED pattern or recommend that a Sharp-authorized service technician look at your TV.