Unlock pin on toshiba 22D1333B - Toshiba Televison & Video

There could be something wrong with your TVs power supply and an issue with the power board or the cables and the input devices might not be working and need to be replaced.

it sounds like the issue may be with the AV MAIN board. The power board is providing the correct voltage to the board, but the board itself may be malfunctioning. It may be necessary to replace the AV MAIN board in order to resolve the issue with the TV not producing video or sound. It is also possible that the problem could be elsewhere, but the AV MAIN board would be a good place to start troubleshooting.

While the PIN code entering screen is displayed, press the INFO button four times within five seconds. The PIN code will be cleared and you can enter a new PIN code. The pin code cannot be reset to 0000. https://www.manualslib.com/manual/203572/Toshiba-32c120u.html?page=81

"If you cannot remember your PIN code

While the PIN code entering screen is displayed, press [RECALL] four times within five seconds. The PIN code will be cleared and you can enter a new PIN code."

Or you can trye this:

Step3Unlock all of the channels on the TV by entering the factory reset code. There are three main reset codes that TV manufacturers set. These are 0711, 6688 and 3308. Try each one until you find the one that works. This will reset the TV to original factory settings. When you do this, you will loose any information that you have stored in the TV, such as favorite channels, automatic timers and the clock. You will have to go through the full initial set up.

when you're on the "enter pin code" screen press "recall" 4 times within 5 seconds. this should reset the pin code and allow you to enter a new one.

Toshiba 37HL67 Manual Info on page 47