how do I get clear picture on my tv if there is a fuzzy video signal from the wall coax jack?

No. You need the box from the cable company. They program it to tune in their programming and they change it from time to time to stop hackers from bootlegging service. I see you have internet. You can get netflix through certain devices- Wii, internet-ready DVD players, internet-ready TV's, Roku, Apple TV, Sony network players, just to name a few. Those devices also hookup to other services too, but you pay for Netflix. $15/month is pretty good forall the movies you can stand. You also can install a digital converter on a non-digital TV to get free over-the-air TV. All this to say, there is no totally free ride.

Sounds like you're getting an old fashioned analog cable signal. A tuner box won't help. The signal is probably weak, maybe a cable amplifier will help clear it up.

it would desire to be the cabling.. extra suitable than the device.. reason being if the pics chip replaced into twisted up , the pics might desire to be glitchy and contain blunders. might say attempt a diverse cable or if its no longer the cable perhaps the device itself. relies upon the way you run it. if it makes use of an RF field internally or externally.. might desire to have a dry joint on the solder even.. if its quite previous, possibly might desire to be time to purchase a nintendo Wii? as they play gamecube video games and if it costs lots to repair , it would be a extra low value determination. you in all probability can p.c.. up a low value 2nd hand one at CEX - laptop replace or gamestation or interest.