3:2
Camera body 503CW | Disassembly |
Circuit board (22575) *22882
CAUTION! When handling the circuit board a grounded bench mat and a wrist strap must be used to prevent ESD damage.
Lift the chassis connector out of the hole in which it is seated in the left hand wall. Remove the two screws (820325) that secure the photodiode. Gently ease the photodiode through the hole in the left wall.
Remove the two screws (820011) and the grounding attachment (22453). Remove the screw (820011) and the cable holder (12453). Remove the two screws (820015) and separate the circuit board from the chassis.
Finally, remove the insulating plate (22746).
* Note! The circuit board (22882) is fixed to the wall by an |
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insulating | Fig. 3 |
Fig. 3. |
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Front bayonet plate (30777)
Disconnect the spring (814512) from the push rod (22369). Remove the release bar (30375) by gently lifting it with a screwdriver so that it is freed from the front gear wheel and then easing it forward.
Remove the front bayonet plate (30777) by removing two screws (820015) in each of the right and left sides, two (821017) in the view finder screen frame and two (823655) in the bottom plate. Carefully draw the front plate forward. Fig. 4.
Note! The drive spring should be held when the gear wheel is released to prevent damage to the drive spring by releasing the tension too quickly.
821017 |
820015 |
823655 |
Fig. 4
Rear plate (30300) (including auxiliary shutter)
Disconnect the arm (22781) secured to the mirror frame by a clip (817115). Remove the washer (810649) underneath the arm. Remove two screws (821017) on top of the focusing screen frame and six (820015) then partly withdraw the rear plate. When partly removed, disconnect both the upper and lower connecting rods. The rear plate can now be removed completely.
Fig. 5.
Fig. 5
Revision 2 | May 2000 |
