Author Archives: canonrepair

About canonrepair

Ruzsa János. Amatőr fotós, Canon DSLR váz. Amateur photographer. Canon DSLR user.

USM refurbishing


Cleaning of the optical encoder ring helps only the focus hunting cases.When the problem is with the usm ring, I refurbish them with degreasing, polishing both rings to get back the plane, shiny surfaces, then cleaning again, after which mounting … Continue reading

Posted in General topics | 8 Comments

Eastern Egg in a 17-85 IS


I had to replace the aperture cable – and I found the former one too, which the other service did not removed before mounting the new one. They dont like to disolder?!

Posted in General topics | Tagged | 2 Comments

70d rotating LCD + 80D donor


I had to repair a faulty shutter in a 70d. (on the photo there is a mistake. It is a comparison between 40D and 70D curtain). As I did not have a new one, I searched for a good curtain … Continue reading

Posted in General topics | Tagged , , | 3 Comments

Damaged screw


Case You have to screw out a bolt with damaged head (after forcing a stucked screw with the screwdriver can happen to damage the PH00 slot), You have 2 possibilities: to cut a simple straight slot with a small grinding … Continue reading

Posted in General topics | 5 Comments

Soldering irons: Weller and Fahrenheit


I need at least 2 soldering irons: a “normal size” for everyday use, and a tiny one, with the tip like a needle. A good Weller station is a lot of money, so i decided to use a Fahrenheit 28011 … Continue reading

Posted in General topics | 7 Comments

SD-card – not working


Case You have a 500d (or any other camera, using a SD-slot), can happen, that the camera does not feel the inserted card, or gets the false information, that the card is write-protected. The cause is in most of the … Continue reading

Posted in General topics | 1 Comment

Not starting DSLR – and the shorted motor


I had to repair an old 40d (but in this case could be ANY other Canon DSLR), which did not start at all. No message on the displays, nothing. After inserting the battery there was a very tiny “tick” noice … Continue reading

Posted in General topics | 2 Comments

No ideea what is wrong – search for the screws


As You know, there are some cameras with typical falling out screws, which can make problems (7d, 5dI, 40d…). I had to repair a 17-85 IS – always the same, aperture flex broken, and as a second mandatory thing, cleaning … Continue reading

Posted in General topics | 2 Comments

AF sensor feedback LED dislocated


During my ten years of repairing I have seen several times cameras with dislocated AF point LED-s. The symptom:  you can see only a very dimmed red light or nothing at all. In some cases the problem is the dislocated … Continue reading

Posted in General topics | 2 Comments

Canon EOS camera error codes and messages


original here: https://cpn.canon-europe.com/content/education/infobank/camera_settings/eos_error_codes_and_messages.do   And here is a copy from the official Canon site, case you don’t find the original.   Camera settings: EOS Error codes and messages When using your EOS camera you may occasionally get an error code … Continue reading

Posted in Canon camera | 4 Comments