I have my Insignia TV connected to antenna and when I run a channel scan, it will not pick up channel 9 which is NBC? It will pick up 33 other channels but not the one I want?

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it should be, Antenna -> Converter -> vcr -> tv.

.YES IF ITS A DIGITAL TV U WILL GO TO MENU GO TO ANTENNA CHANGE FROM DIGITAL TO ANALOG OR AUTO ENTER THEN SEARCH ANOTHER WAY GET AN ANALOG TO DIGITAL SET TOP BOX FIX YA ANTENNA TO IT CONNECT TO TV BY HDMI.OR AV CABLES GET THE SET TOP. ON GO TO SCAN OR SEARCH AND YOU WILL HAVE ANALOG CHANNELS ON YOUR LED TV

Ok This is what I found out and hopefully found your solution..
Have you heard of Double Rescan?
The Federal Communication Comission Designed a Process called double rescan.
Double Rescanning erases and thenreprograms the channels in the converter box an digital TVs memory.
To Double Rescan, you will first need to disconnect the antenna from the converter box or antenna.
Then disconnect the converter and or digital tv power supplies from the wall. Wait a minute before plugging them back in. The antenna should still be disconnected.
With the antenna disconnected run the channel scan function on the coverter box or digital tv. When the scan completes you will have completely removed any channel data the converter box or digital tv, had in its memory.
Now it's time to rescan for real.
Do this by reconnecting the antenna to the converter box or digital tv and running the channel scan function again.
Thus the double rescan is born.
If the double rescan doesn't work, then try some tips and tricks to get your converter box up and running..I will have to look up the url again that has the tips and tricks...
If the double rescan doesn't work let me know and I will look up more options..
I really hope this works..

connect your antena first then go to setup on the tv and selct channel search it will scan and find all the channels that you can pick up with your antenna

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/tony_a41fa0b801734e2f

No.Tv can't pick up any reception or receive any free AIR broadcasting tv channels at all if tv have no antena hook up to a tv.Buy a better antena design to used like a Digital atenna,will solved this problems.

You may have several problems. If you are using a indoor antenna, upgrade to a outdoor antenna. The indoor antenna has to be adjusted every time you change a channel. If you plan to sit in a chair and never move when watching tv, you may be able to pick up a channel or two. Get a UHF/VHF antenna from a home improvement store. The big box electronic stores are selling a digital antenna. There is no such thing. The antenna doesn't know if the signal is digital or analog, it just picks up uhf and vhf signals. The other problem could be that the box is bad if it is not saving the scan. I would check the antenna first from what you said though.

I carried my Westinghouse TV to the basement. Unplugged the antenna from the digital converter box and connected it to my digital TV. I then re-scanned for channels and found channel 9. After carrying the Westinghouse TV back upstairs, I connected the original set-up and tuned to channel 9 which was now showing on the screen as no signal. From that point I moved my VHF dipoles until I had located the correct position for reception. A little labor intensive, but I was fortunate to have another antenna that was receiving channel 9.

Your problem is likely not your TV. It's due to the signal being provided by your cable company. I suggest that you contact the cable service provider which you are using and advise them of the problem.

ATSC tuners ("D/A converters") pick up signals off the air just like old school television. It sounds like you are just not getting a signal of sufficient strength. A weak analog signal looks like a "snowy" picture, which most of us are used to. But, the new digital channels quickly go from a perfect picture to none at all. It's basically all-or-nothing.

Try attaching an antenna to your converter. I know you can buy a new antenna from your local big box electronics store which is labeled "Terrestrial HDTV" or something, but that really doesn't mean anything. You can use any old TV antenna. Even a quality FM antenna (with an F-Pin coax connection) may work just fine.

When setting up the antenna, keep in mind that different channels are transmitted from different towers, in different locations with different strengths. Move the antenna placement and position around (just like grandpa had to do). You may have to make a compromise to get the best signal for your favorite channels.