I am sure that I'm beating a dead horse here, but I bought a used and broken 20d that was doing the rapid firing thing that is very common among these cameras. I then bought the shutter switch that is highly recommended as the repair, tore the camera apart thanks to doug kerr's fabulous diy, put it back together and . . . nothing changed.
So, I'm wondering what else might be wrong?
When the battery is inserted it fires a couple actuation's, then if you bump it it will stop, and this is all in the off position.
Then if you turn it on, it will do one of two things (all while rapid-firing the shutter).
1. it will flash "no cf" and have normal display for a split second and then go to the flashing battery symbol
2. it will flash "no cf" and the normal display, then start to flash err 99.
It is entirely possible that I didn't get my soldering good enough on the switch but I'm pretty darn sure that it was good; what else typically goes wrong in these that might be DIYable?
I'm trying to avoid sending this to canon, but I suppose I will if I have to eventually.


