I have a sony Kld 46V3000 Tv that shuts off after 5 seconds?
This TV shuts off after 5 seconds and the standby light flashes 14 times , I unplugged the t Conn Board then the Tv stays on for 3 mins then the stanby lights flashes 5 times any suggestion I also replaced the t conn board
Your TV may well have a problem with its power supply - a component heats up and stops working.
When everything's connected it takes 5 seconds and if the load on the power supply is reduced - by disconnecting a board - it takes longer to get to the failure point.
You can buy freezer spray from electronic stores to spray on suspect components to see if it changes things - it helps to know where to spray it though.
Good luck...
May 2015
I can answer this question...
I have a sony Kld 46V3000 Tv that shuts off after 5 seconds?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix televisions.