sony kdl-37w5810 standby led flashing 14 time

[mem]

Hi,
I have a sony kdl-37w5810 ,Replace the main av board the set come on
and after about 30 seconds goes to standby which the flases 14 times.

I have been told that it needs software update. Can some give me the procedure on
how to update it using sony memory pro stick.

All can someone also post the latest software .

Thanks
Regards mem