You could but it would be a waste of the time, effort and coupon. You don't need one.
A digital converter box for a Symphonic TV can be found at most local electronic stores. Cable companies also provide digital converter boxes for subscribers.
If you get your signal from a cable company you might, all cable companies are not the same.
If the DVR has a tuner, you might have to switch it to antenna from cable. If it has no tuner you might need a converter box.
A cable converter box sends and receives data over cable from a satellite dish. Data that is received is transposes into a single channel.
It's not as simple as making a cable that fits. Digital audio cables and digital signals, both coaxial and optical, require a digital input. You need to convert the digital signal to analog to work with older receivers. These are available (Google Digital to Analog Converter or DA Converter). Just about every device that has a digital output will also have an analog stereo output, which will work with your old gear.
From what I have been able to gather, the digital converter set top box will be needed only if you receive television signals via an aerial antenna and you don't have a digital television set. If you are hooked up to cable or satellite, the digital converter will not be needed. I, for one, use a "rabbit ears" antenna and don't have a digital television and will need to purchase the DTV converter box.
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.
If by converter box you mean a digital converter box, the type that are being subsidized by the government, you don't. If you mean a tuner box, it is because the cable line is transmitting data, and it has to be interpreted into a video signal your TV can use.
Yes, but if your cable company is no longer sending analog channels down the cable, it won't work without a digital converter box.
If you have cable or sattlelite hook up at your home, you really do not need a digital converter. If you only are using rabbit ears, you really would need a digital conterter box, so you would be able to watch TV.
No. You only need a converter box for analog TV and only if you receive your TV "over the air" with an antenna. If you have cable or satellite TV, you don't need a converter.
If one wants to purchase a digital TV converter they are widely available. One can often purchase or rent them from one's cable company. Other options include Best Buy, Amazon and eBay.