Sony XR-75X90K, Sony XR-55X90K, Sony XR-65X90K, Sony XR-65X90CK, Sony XR-85X90CK, Sony XR-75X90CK, Sony XR-55X90CK
EXTREMELY IMPORTANT:
After replacing the main board, you must update the software to the latest version. Please go to esupport.sony.com and download the correct version for your model.
