11-28-2017 02:42 PM
I know this is an old thread but I repair Canon cameras and many other makes. I am changing a shutter on a 70D right now and am waiting for a part. I just thought to do some research and came across this thread and this is an issue with the original mainboard overheating. They have a fix for it with a newer main board and some additional protection that goes over a processor that overheats.
11-28-2017 05:52 PM
11-29-2017 12:03 PM - edited 11-29-2017 12:06 PM
Part number CY3-1834-000, the new board will come with no data in it. You will have to order software that is online that will allow you to program the new board but it is costly 275 and will only program just the 70D. The only things that need to be programmed after changing the board is the focus and shutter. The software that you would use would program all other data except those two. I use a Canon 50 1.4mm, focus chart (can find online for free) and a shutter multiplex machine. The cheapest option I could think of would be to shop program the new