Re: Samsung UN55D6500VF won't power on

But why after a while tv power on and working for long time without any problem and never power off

Re: Samsung UN55D6500VF won't power on

i have same problem with my un55d7900 samsung
when i put the power cord to wall tv just clicking and does not power on
when i detached cables from main-board and just the power supply connected tv power on and backlight on with white screen but when mainboard connected just clicking
after 15 min clicking tv power on and working for long time without any problem???!!!!
do you know whats the exact problem??
mainboard should be replace or power board?