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After much experimentation and lots of frustration, I have now established a faultless setup which never fails to work for me or the family so I thought I’d share it:
I have an LG B865OLED TV and a Marantz SR7011 AVR plus numerous sources, listed in my signature if it helps.
Despite owning a range of streaming devices including the latest Nvidia Shield, I much prefer the video quality of LG’s inbuilt apps especially Netflix. However, until recently I’ve struggled to get HDMI ARC working reliably which is required for the higher audio quality from the likes of Netflix (Dolby Atmos and Dolby D+). The best you’ll get from optical is the inferior Dolby D.
The key for me is to have 2 x HDMI cables connected between TV and AVR.
Also turn off ALL HDMI CEC control in Marantz/Denon and in any other devices. A universal remote is far more reliable than HDMI CEC control.
I had to add a ‘Lindy HDMI CEC less adapter‘ purchased form Amazon and connected between my Nvidia Shield and AVR as you cannot turn this feature off in the Shield even though it says it’s off in the menu!
Marantz SR7011 (or equivalent Denon) settings:
Setup Menu, Video, HDMI Setup, HDMI Control Off, ARC On, TV Audio switching Off and everything else under HDMI Control should be Off
LG OLED (B8) settings:
All Settings, Sound, Sound Out, HDMI ARC. This will automatically engage Simplink (HDMI-CEC) if not already on.
To watch LG internal Netflix app and receive audio via LG HDMI Arc to Marantz AVR:
LG HDMI 2 > Marantz HDMI 1 output (Arc). Manually switch AVR to ‘TV Audio’. This is easily added as part of a Harmony Remote Activity.
To watch source from AVR e.g. Virgin Media:
Marantz HDMI 2 out > LG HDMI 1. Manually switch LG to HDMI 1, switch AVR to HDMI output 2 and select AVR relevant source input (e.g. Cable/Satellite) to display image from AVR to TV. Again, this is seamless if setup as part of a Harmony remote activity.
I hope this post manages to help someone else.
I have an LG B865OLED TV and a Marantz SR7011 AVR plus numerous sources, listed in my signature if it helps.
Despite owning a range of streaming devices including the latest Nvidia Shield, I much prefer the video quality of LG’s inbuilt apps especially Netflix. However, until recently I’ve struggled to get HDMI ARC working reliably which is required for the higher audio quality from the likes of Netflix (Dolby Atmos and Dolby D+). The best you’ll get from optical is the inferior Dolby D.
The key for me is to have 2 x HDMI cables connected between TV and AVR.
Also turn off ALL HDMI CEC control in Marantz/Denon and in any other devices. A universal remote is far more reliable than HDMI CEC control.
I had to add a ‘Lindy HDMI CEC less adapter‘ purchased form Amazon and connected between my Nvidia Shield and AVR as you cannot turn this feature off in the Shield even though it says it’s off in the menu!
Marantz SR7011 (or equivalent Denon) settings:
Setup Menu, Video, HDMI Setup, HDMI Control Off, ARC On, TV Audio switching Off and everything else under HDMI Control should be Off
LG OLED (B8) settings:
All Settings, Sound, Sound Out, HDMI ARC. This will automatically engage Simplink (HDMI-CEC) if not already on.
To watch LG internal Netflix app and receive audio via LG HDMI Arc to Marantz AVR:
LG HDMI 2 > Marantz HDMI 1 output (Arc). Manually switch AVR to ‘TV Audio’. This is easily added as part of a Harmony Remote Activity.
To watch source from AVR e.g. Virgin Media:
Marantz HDMI 2 out > LG HDMI 1. Manually switch LG to HDMI 1, switch AVR to HDMI output 2 and select AVR relevant source input (e.g. Cable/Satellite) to display image from AVR to TV. Again, this is seamless if setup as part of a Harmony remote activity.
I hope this post manages to help someone else.
Last edited: