A7iii Sony (A7R iii) Camera motherboard replacement, STEP by STEP teardown and repair.

My Sony A7 mk3 wouldn't turn on one day without any pervious problems or issue. after doing some research I figured the motherboard was completely broken and needed to be replaced. Repairing the a7 iii motherboard. Replacing motherboard. Mirrorless Sony teardown and repair. Feel free to ask any questions and we will help.