I have a LG OLED65C7P TV and for aesthetics reasons, I'm trying to force the TV to use the analog audio input (multiplexed with composite video input on a 3.5mm jack) for direct analog audio playback through the internal speakers (no matter what is going on with HDMI, ARC, or internal app audio.) I'm hoping there is some way to do this through the RS232 input. Maybe there is a way to do this with settings menu but I cannot find it. Thinking that there is a "SERVICE" description on the RS232, I'm hoping I can force the TV to play analog audio to the internal speakers in a special forced mode. Anyway to do this?
closed as off-topic by Ignacio Vazquez-Abrams, brhans, Tom Carpenter, Brian Carlton, helloworld922 Nov 9 '17 at 22:15
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "Questions on the use of electronic devices are off-topic as this site is intended specifically for questions on electronics design." – Ignacio Vazquez-Abrams, brhans, Tom Carpenter, Brian Carlton, helloworld922
Check out LG OLED Manual. 27 commands mostly dealing with picture quality.
If you cannot see it under setup, odds are that what you want does not exist. USB and RS-232 are just alternate ways to control existing features, not super-user mode.