SOURCE: WD-52628 Mitsubishi - change inputs
We had the same problem. Luckily, we had a service contract, so it was serviced yesterday. The fix involved the service guy going through a "service menu" and resetting the TV that way. He was not "allowed" to tell me how I can access the service menu, however. I do plan to research this on the internet in case it happens in the future. It is basically a software/computer problem, and unplugging the TV isn't enough to clear it unless the TV is unplugged for "a long time." The technician said the length of time depends on the condition of your capacitors. Anyway, as a temporary fix, he showed me that you can go into the PIP mode. The device toggle for PIP apparently did still work with mine, so I was able to switch the device on the secondary picture and then switch it to primary, then toggle the PIP off. Good luck!
Check if the remote is in TV position, that is, because most of the remote controllers have the feature that you can program them for use with another devices. Make shure that one button that says "TV" in pressed and released once before you try to change any function on the TV.
SOURCE: Direct TV remote "tv input" button won't work with my Sony TV
I came across this looking for a similar solution for my Samsung TV, and I found the solution on ehow.com. Apparently after you program the remote for your TV you have to hold mute and select again until it flashes twice then put in 960 to make the remote control TV input too. Note you're remote should be in TV mode while you do this. It seems silly that the DirectTV guy wouldn't do this when programming the remote.
SOURCE: Change input to Aux In without remote CMT-NEZ3 Sony
I have not found a way to select Audio
In without the remote (and I've tried every combination of buttons I can think of!)
The approved way to select Audio In is to press the FUNCTION button on the RM-SC30 remote that should have been
included with your Sony CMT-NEZ3. See
http://esupport.sony.com/US/perl/model-home.pl?mdl=CMTNEZ3 to download
your manual.
SOURCE: sharp tv keeps changing the source channel on its own
you may fave a faulty switch in the key controller, may best advice is replace it
Part numbers:
KC792
XC792WJ
Fred
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