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Panasonic Viera TC-L50EM60 is turning ON/OFF intermittently. The problem went away after I unplugged the connector from the IR Sensor board. It is a hassle to watch TV without its remote control. Can anyone help me?
Hi, Just some other checks as you said that disconnecting the IR board stopped the problem and the TV remote tests OK. Do you only have the one remote for the TV or are there other IR remotes in the room such as a Firestick remote etc? If others test them as well or remove their batteries and check if it still happens. If no others, temporarily block the TV’s IR window to prove whether the problem is internal to the TV or caused by external conditions. I’ve had a case where a faulty CFL ceiling light was triggering a TV’s IR sensor every time it was turned on. If internal here’s a link to the service manual for the TV. (be patient it takes a little while to go from “processing” to Download”). It shows that the IR board and the Power On/Off button are in the same cable to the mainboard. It would appear that if the replacement IR board also doesn’t fix the problem then there is either a fault in the cable to the mainboard or in the mainboard itself On p.29 it shows the part number for the main board - TZZ00001035A which appears to be out of stock in most places that I’ve searched when using the part number. You may have better luck.
damystica … if the problem disappears when removing the ir sensor, then the issue could lie with the board or the remote. to test the remote, make sure the batteries are fresh. look at the remote sensor through your phone camera and see if it is continuosly flashing or only flashing when a button is pressed. if its continuosly flashing, you may have some sticky keys or a malfunctioning remote (test the power button on the remote) if not, then i would start looking into replacing the ir sensor board. also, to cover all bases…many remotes can function on the same frequency so if there are multiple tvs in the house in use at the same time, try those remotes and see if that is the culprit. also, can use a phone to control the tv, any pranksters in the house?
