WARNING : Those instructions are for skilled persons with some knowledge of mechanics and electronics. Don't follow if you are unsure about your skills.
F4 Aperture lever problem driving the lens down.
This will be a long thread with ~100 pictures. please be patient, i don't have enough time to edit all in one day so return after few days. PLEASE KEEP THIS THREAD CLEAN. Post your questions & comments here : http://www.apug.org/forums/forum52/1...pletely-3.html
Tools needed : slot screwdriver 1 mm width, screwdriver PH 00, soldering iron, cutter / knife, sealing plastic bags & labels.
Put all disassembled parts and most important the screws in sealing plastic bags and write with a marker from where they were removed, also you can take pictures for reference.
1: remove rewind knob
2: remove clip ring, washer, lever. Pay attention to lever spring and small pin
3: remove the round nut retaining iso selector, 3.1 remove iso selector. Pay much attention to brush from behind
4: remove 3 screws of left cover. 4.1: Press lever R2 to rewind position. 4.2: Remove left cover.