- V Part Types: Main Board
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TV Models:
Sony KDL-32EX520KDL-32EX521KDL-32EX523KDL-40EX520KDL-40EX521KDL-40EX523KDL-46EX520KDL-46EX521KDL-46EX523
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Substitute Parts: A-1807-978-A
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Board Number(s): A1807977A, 1-884-078-21, 1P-010BJ01-4011, A1807977B, A1807977B
THIS BOARD WILL LIKELY NEED A FIRMWARE UPDATE BEFORE WORKING ON NEW INSTALLED SET; - TO PERFORM UPDATE FOLLOW THESE INSTRUCTIONS:
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Turn TV on
Wait one minute
Insert USB drive
Wait for LED on USB drive to stop blinking
Wait 15 minutes
If on-screen activity does not indicate success, turn TV off, remove USB drive and repeat steps. - DOWNLOAD FIRMWARE UPDATE FOR YOUR SET ON SONY'S CORPORATE WEBSITE