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LG CX HDMI EDID missing multichannel LPCM
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Up until a few days ago my TV and AVR have been working perfectly since I bought it.
Zero hassles with HDMI and connectivity.
Then I was prompted to update to the latest software version which I did and now often when I switch HDMI (running on 1) it picks up the device name, CEC works but I get “No Signal”… and then nothing.
Just stays on “No Signal”. It is almost as if some HDMI handshake breaks and now the driver is in a broken state.
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Different HDMI cables (high quality) Deep colour settings Reset the TV to factory default Different HDMI ports TV
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Question
DaniSan
Hello,
there is a problem with the EDID reported by the LG CX, with the current firmware 03.21.18, related to the audio formats exposed in the HDMI EDID info.
The TV states support for only 2 channels, then disabling multichannel LPCM via eARC with some eARC connected equipment.
LG C9 was affected by the same issue and LG released a firmware update where the number of channels for LPCM reported in the HDMI EDID info was upgraded from 2 to 9.
Would please LG make a firmare update fixing this for the LG CX too?
Regards,
Dani
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