When connected to cable box will not let cable box change channels with tv on but with tv off cable box works fine

That is the part that contains the tuner.

If the channel information changes when you change the channel number on the front of your cable box, it may be a cable problem, and they may have already corrected it.
if the cable box is connected to the round connector with threads on it the TV needs to be channel 3. then you can change channels with the cable box.
If the cable is not connected with that connector, (the one with the threads), you need to change the input of the TV to which ever method was used.
If all else fails, I think the TV will determine which hookup you have if you auto program.

is it(cable) connected by the RF cable to the tv ?
or is it connected by video/audio cables ?

If by RF cable the channel on the tv should be on channel 3

If connected by video/audio cables then the tv should be set to that input on the tv

boomergal, do you have satelite cable or directv or dish?

I re-did the guided setup in the Tivo under Messages & Settings/Restart-Reset System/Restart menu section in Tivo. Once I did that, it cleared this issue, even though I didn't have to change any of my settings thru this guided setup. I tried a reset alone first, but that did not fix it. Only this fixed it. We had lost both power and cable during a recent tree fall in a storm, and when both were restored, this problem started. I have a cable coax directly in the back of the TV (no cable box/IR etc) and the system is on a home wireless network. I actually have 2 identical Tivo's in the house set up the same way but only one had this problem. The other worked no different after the outage.

The way to connect them is as follows:
1. Connect the cable from the wall to the cable input on the cable box.
2. Connect the cable box RF output to VCR RF input (VCR must be on channel 3).
3. Connect the RF output from the VCR to the RF input on your TV (TV must be on channel 3).
After all the connections are done, leave the VCR and TV on channel 3 and use the cable box to select the channel you want to record programs from.
Good Luck.

In that case two things might be happening. 1. HDMI/DVI cable you using might be faulty you want to change that or 2. The HDMI input of your TV set might be the problem. I will suggest you use component cable instead, I am talking about the 5-color-coded (green, blue, red and red/wihte) cable to connect the set top box to your TV.

The TV is set to antenna mode or over the air mode rather than the cable mode. You should be able to navigate through the menus to change it to cable mode. That should resolve it.
Dan

Set up your infrared blasters connected from your IR port on the Tivo and by placing the two lead lights in front of your cable box so it (the cable box) can read the signal.  Then go to Channel settings accessed through Tivo Central and follow the questions. It will ask you to change channels until the remote is working correctly.  This all worked on a different "input" on my Mitsubishi TV (it has multiple inputs.  I have the cable input on a different "input" to make it work.  Hope this helps.  Call TIVO tech assistance because they are the ones who talked me through this.

I think the low band (Channel 2-6)in your tuner is not working. This could be in the tuner itself or in the band switching circuits. Possibly she deleted the low channels or locked them out. Stargazer