Cable TV Setup Help

[deeplist]

Please look at this diagram:

All three of the televisions upstairs are snowy, but only on certain channels. The cable modem does fine, no problems there. The TV in the den is crystal clear. The TV in the living room has a ghost image to the right. What do I need to do here? What is wrong?

 

[n1wbd]

I would change out the splitter where cable come in from the street. Or worst case a distribution amp. (must be bidirectional to allow cable modem to communicate with the headend)


If the cable guy installed the whole system have them come out they have test equipment to check signal levels at each set.

Please look at this diagram:

All three of the televisions upstairs are snowy, but only on certain channels. The cable modem does fine, no problems there. The TV in the den is crystal clear. The TV in the living room has a ghost image to the right. What do I need to do here? What is wrong?