How do you connect a LG LHB335 home theater system to a cable box's digital audio out?
The LG LHB335 only has an optical digital inputs. If your cable
box has an optical digital output, connect it to the Digital in #1
(TV) with an optical cable. If your cable box only has a coaxial
(RCA) digital output and you want to use the digital audio
connection, you will need to purchase a coaxial to optical digital
converter. The Monoprice 2947 is less than $20.00.