https://support.lenovo.com/au/en/videos/nvid500263-servicer-replaceable-parts-legion-y520t-90jb-90jc-90h7-90h8
How to find Servicer Replaceable Videos - Legion Y520T (90JB, 90JC, 90H7, 90H8) - Lenovo Support AU
Servicer Replaceable Parts - Lenovo V14 Gen 2 (82KA, 82KC) / V15 Gen 2 (82KB, 82KD)