What's wrong with switching signal sources when turning on Nokia TV?

It shows that there is a problem with the adjustment of the original signal source of the TV set, and the induction function is automatically turned on, which leads to switching, and the battery button may also leak.

The TV has turned on the automatic sensing function. Frequently switching signal sources when Nokia TV is turned on may be due to accidentally turning on the automatic sensing function. At this point, you can check whether functions such as smart sensing are turned on. If so, turn it off in time to see if there will be active switching.

The button is leaking. When the button of Nokia TV is connected to the circuit, it may be due to improper operation. Cause the keyboard to close slightly or the adjacent wires of the keyboard leak electricity, thus causing power switching. At this time, further inspection is needed to eliminate this fault.

The circuit board of the key output part on the TV motherboard may leak electricity. The leakage of the circuit board in the key output part of the TV motherboard may also lead to the problem of signal source switching. At this time, only the touch key switch of the TV panel needs to be replaced. It may be caused by the leakage of touch key switch. You can try replacing the touch button switch or unplugging the cable of the touch button switch, or taking out the battery of the TV remote control.