These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.
If blinks continue without any pause, the main board is faulty.
SOURCE: tv will not turn on. timer light constantly blinks
If you can get into the main menu go to load factory default and reboot, This will reload factory settings and this operation will erase all unwanted settings and load back to factory default. so you can load your own settings and take back control of your tv.
SOURCE: My Toshiba TV won't turn
Hi there,
If none of the controls on the side of the TV or the remote are working, press and hold the power button on the side of the TV for at least 5 seconds to reset the TV. You should then be able to switch it back on.
If you are unable to reset the TV using this method, please can you let me know whether you set the timer recording - either accidentally or deliberately - and whether you have experienced a power outage.
Thanks,
BElectric,
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