Used 5D Mark III PCB parts, tested, in good working condition. 

Can be used as main PCB direct replacement. 

*** If your camera has Error 70, Error 80, Corrupt Image, USB broken, overheating during video shootting Issue, please have confidence to replace main PCB.

If your camera has no power or other issue, it might NOT main PCB, please contact me to get advice.

If you have other concern, please message before or right after the purchase.