Disassembling
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Disassembling |
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| The place and tools are ready for work, we will begin with the
back side |
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| CPU plate was demounted |
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| Did you find out Canon EFS 17-85mm F4.0/5.6 IS ? |
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| The subject of our interest |
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| Distance Coding wheel for the E-TTL II flash |
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| Image stabilizer assembly (from the back) |
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| Image stabilizer assembly (from the front
lens side) |
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| Front of the focusing lens |
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| USM motor and CPU plate in the pile |
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| What was happened. This is aperture assembly, where aperture
blades are jumping (1). Flexible
conductor should lead the signals along the stand 3 to the
executive device 2, connected to the iris diaphragm 1. |
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| Console for the flexible conductor SHOULD be installed vertically in-between external and internal moving zoom-cylinder, it secures free movement of the flexible conductor loop between cylinders. The console has been inclined (Canon assembly defect) and flexible conductor was permanently bending at extremely low radiuses during the zooming. As result-totally broken. |
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