This looks to be a good hint. After reading the solution "I had the same problem. The fix is actually very easy. Just re-tune your channels in and your remote/channel buttons should work again.", I checked my remote and saw that there was a sliding button "TV/Cable" and it was on "Cable"
I moved it to TV and it started working.
This could be a dumb solution but just wanted to suggest...
What universal remote should I buy to operate my Hitachi Model # CT-7894BC. I have two IR on my...
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What universal remote should I buy to operate my Hitachi Model # CT-7894BC. I have two IR on my set, and with my current oneforall, I can not get into my menu functions to change anything, what should I do?