A:Answer In most cases, the TV must be connected through the cable systems STB (Set Top Box), an HDMI cable from the STB to the TV is the best option, it carries both picture and sound. Another option is A/V inputs, The tri-cable usually has three (3) 'phono' (aka, RCA) connectors. A third option is using the RF (antenna) input (and use channel 3 or 4. Not recommended but will work.
