Sony Main Board A-5056-903-A (A5056853A) for X90L / X90CL Series

Product Description

Sony Main Board A-5056-903-A (A5056853A) — LED TV Main Board
(A5056853A)

• Part Number: A-5056-903-A (A5056853A)
• Board Number(s): A5056853A
• Product Type: LED TV Main Board
• Compatible TV Model(s): Sony X90L Series, Sony X90CL Series

XR-55X90L, XR-65X90L, XR-75X90L, XR-85X90L, XR-98X90L, XR-55X90CL, XR-65X90CL, XR-75X90CL, XR-85X90CL

The Sony A-5056-903-A (A5056853A) is the OEM replacement LED TV Main Board for the X90L and X90CL series televisions. This board serves as the central processing unit of your TV, handling video processing, smart TV functions, HDMI input management, and Wi-Fi connectivity. Replacing a failed main board typically resolves issues such as a TV that won't power on, no picture with backlight present, no sound, unresponsive HDMI ports, and lost smart TV or Wi-Fi functionality. Note: a software/firmware update may be required after installation to pair the board with your specific LCD panel.

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Key Features

• OEM Sony replacement main board — guaranteed fit for compatible models
• Restores full smart TV, HDMI, Wi-Fi, and video/audio functionality
• Resolves Sony 3 red blinks error and no-power conditions
• Tested and pulled from working units or new old stock
• Fast shipping from our US warehouse

Important Notes

• Verify your board number matches A5056853A before ordering
• A firmware update is typically required after installation — download from esupport.sony.com using your model number
• Installation requires basic electronics knowledge; professional installation recommended if unsure
• This is a replacement part only — no tools or installation service included