Hi
Thanks for using FixYa. It you are
away for a long period then turn it off to avoid any damage to the TV. Resolder
the flyback transformer (FBT) as this transfer the power to the TV. A bad
switch, power supply failure or a blown fuse as we know fuses blow due to high
current event, possibly a shorted component on one of the low voltage rails. The
shutdown circuit could be activated. The problem most likely will be that a
component has become thermally sensitive or some capacitors that have become
puffy or bloated and needs to be replaced. From what you have described it
seems the issue is with the power board or the main board we’ll need to check
few things. When you open the unit up; take a look at the power board-the board
where, the power cords/plugs goes into. You might see some filter capacitors a
little bulged up in the top-If this is the case-this is your defective part(you
can try to replace them-but some soldering equipment is needed). If not, then
probably the main board has gone bad. This is the other board-where all the
inputs are going into. Also check the Backlight Inverter Board if the sound is
coming fine from the TV however as it’s shutting off so it should be either the
power board or the main board. All this is only recommended if you have
electrical expertise and know how to solder/re-solder components.
Please do rate the solution if the issue is
resolved or else revert for further assistance.
Thanks
Rylee
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