TV has HDMI output and a cable is available to convert HDMI to RCA plugs but do I just need the cable or do I also need a signal converter digital to analog?
The HDMI to RCA cables are intended for A/V devices like projectors that understand how to translate the digital signal to an analog signal. Your amplifier will not be able to do this.
What make/model TV do you have? I don't know of any with HDMI outputs. Most only have HDMI inputs. What is your TV source (OTA/cable RF, set-top box, streaming device)? Does your TV have any audio out (digital audio output - fiber-optic or coaxial)?
If you have an HDMI source, you could use an Audio Extractor. See https://www.amazon.com/HDMI-Audio-Extractor/s?k=HDMI+Audio+Extractor . You probably will need an extra HDMI cable and depending on the model either an RCA audio cable or a AUX to RCA cable. Plug in the source to the extractor's HDMI In, connect the HDMI Out to an HDMI input on the TV. Connect the extractor's analog audio output to one of the Yamaha AX-396 Audio IN connections. Connect the power adapter to the extractor and plug it in. Then turn on all of the components of your home theater system. (Probably you won't need to connect the HDMI out of the extractor back to the TV if your TV does have an HDMI out.)
If your TV has a digital audio output, you could use a digital to analog audio converter. https://www.amazon.com/DA-Converters/b?ie=UTF8&node=3224445011 lists some options. Again you may need to purchase extra cables. Not all models are sold with the needed cables.
I hope this helps.
Cindy Wells
(note: you can expect any converter to have signal loss.)
Testimonial: "Cindy thank you for the information. My TV is a Hisense A7HAU purchased this year. It does have a HDMI ARC port which I understand gives output. However I now notice (after your response) it does have a Digital Audio Out. Either way you have confirmed I do need a signal converter as my amplifier is from the 1990's. Many Thanks Jim"
eArc is a bi-directional HDMI signal but it works only when both devices are compatible with the protocol. The signal isn't symmetric. Both devices can send power commands (so they turn on together if the feature is enabled). All compatible devices send video to the TV. The TV only sends audio back to the audio equipment.
I'm glad that my answer helped.
Cindy Wells
(I tend to forget eArc HDMI output because of its limits. Some brands of TVs and audio equipment don't even work properly with eArc with other manufacturers' products.)
I just looked at the Quick Start Guide for the Hisense A7HAU. There is an Optical Digital Audio Output on the back and a headphone jack (3.5 mm) on the side. The headphone jack is an analog output. A 3.5 mm (M) to RCA (M/M) cable or any of the cables + adapters combinations (3.5 mm (M/M) cable to 3.5 mm (F)/ RCA (M/M) adapter for example) could connect to the AX-396. It's just a thought. Cindy Wells
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