Panasonic TXCXB review: a great start for Panasonic's TVs, and a good advert for Now there are smaller screens with smaller prices to match, 4K TV has become a truly viable option. . Product Line, Viera. This TV is designed to meet the standards (as of August,. ) of digital .. □TV. Model No. inch model: TXCXB. Compare prices on Panasonic Viera TXCXB TVs.