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UN50KU6300FXZA gets stuck on one channel

Posted: Tue Mar 26, 2019 4:32 pm
by rkbren
I have a Samsung UN50KU6300FXZA tv with a very strange problem. In using the TV during the past year or so, every time I switch to channel 32.1 I can no longer change channels. Sometimes I can get it unstuck by going to the channel guide and repeatedly pressing Back or Page Up/Down on my smart remote, but usually I have to shut off the TV and turn it back on. I've tried resetting the TV and the Smart Hub and installing a "new" (used) main board without success. I don't think it's a problem with the remote or the IR receiver since the same thing happens when I use an Android app to change channels. I receive TV over the air using an outside antenna. Any thoughts or suggestions will be most welcome.