Hello I have loved Electronics since I was 5 years old I have been servicing Electronics for better than 20 years How can I help you to
you have a bad power board this is a common issue
Is there just one power board on this TV and can I replace it?
There is one main power board
would you like the part number?
I have seen on other lists that the 10 blink is the following:
Sorry hit enter too soon 10 blinks 10 blinks Sub 5v SOS / Main 3.3v SOS DG-BoardDTV 9v SOS / Tuner Power SOS
In my experience its been a bad a power board everytime
do you have a meter?
then we wont be able to troubleshoot it
in my expereince the 15v supply does not work on the power board