This message was posted on behalf of Intel Corporation
After translating your message I understand you are not able to play 3D content on your LG 75UH855v UHD TV.
Let me apologize for any inconvenience this issue may be causing to you.
I found some information on the website of the motherboard manufacturer about the system not being able to play 3D content on Windows 10*. You can confirm that information on this link under the “Graphics” section http://www.asrock.com.tw/MB/Intel/Fatal1ty%20Z270%20Gaming%20K6/index.asp#Specification
I recommend checking with the motherboard manufacturer if 3D content will work or not under Windows 10*. This link will give you their contact information http://www.asrock.com.tw/support/index.asp
I checked also the specifications of the BluRay player, and that did not mention anything about it being able to play 3D content. Please also check that information with Pioneer* https://www.pioneer-car.eu/de/de/support
Let me know if you have or not any other inquiry.