crwdns2933803:02crwdne2933803:0
crwdns2933797:0Zephoskcrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Zephosk
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
- crwdns2933801:0crwdne2933801:0
crwdns2933807:0crwdne2933807:0
| [title] Main PCB Assembly | |
| - | [* icon_caution] There are |
| + | [* icon_caution] There are two variable resisters on the PCB board. Do Not mess with these as doing so may inhibit the autofocus from working properly. They are for the pulse adjustment and USM reference frequency and cannot be easily readjusted without an official Canon service manual. |
| [* icon_caution] This step involves handling sensitive electronics. Avoid static discharge. | |
| - | [* red] Unscrew the ribbon cable |
| + | [* red] Unscrew the Phillips #000 screw that holds the ribbon cable to the main PCB board. |
| [* icon_caution] Use extreme care while handling ribbon cables and connectors as they can be easy to damage. | |
| - | [* orange] Disconnect the remaining |
| + | [* orange] Disconnect the remaining three ribbon cables connected to the main PCB board. |
| [* icon_note] [guide|25629|iFixit connector guide|stepid=64969|new_window=true] | |
| [* yellow] Remove the main PCB board and set it aside. |