Zenega CD-1004 RSA key help

[dssnosher]

Friends, how can I extract RSA key from Zenega CD-1004 receiver? It does not have a serial port. Can I solder in the connection or do i need to read chip?

 

[dssnosher]

I have located the serial port pinout on the Zenega receiver. Can someone please help with the pinout diagram to solder jtag?

 

[dssnosher]

No one is able to comment or assist? You guy's need to help each other, not bash