Sony XBR 232 protocol?

Any body got Sony's XBR RS232 protocol? Exact model is XBR65HX929.

I contacted Sony but they refused to give me the protocol "The RS232 control codes and protocol information is only available to our authorized custom installers service network". They also told be the TV doesn't have an RS232 port while all the docs I've read says is does and it is use able for integration control.

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