Canon Powershot SD550 Zoom Lens Assembly Replacement

简介

The lens is the device that focuses the image seen by a camera. Because it is the only moving part, it can easily malfunction, causing blurry pictures or even a camera error.

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步骤 1 Outer Case

Canon Powershot SD550 Zoom Lens Assembly Replacement, Outer Case: 步骤 1 中的图像 1，1

Remove the battery and SD card from the camera.

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步骤 2

Remove the three 3.8 mm screws from the underside of the camera.
Each of the screws is slightly different, so it is important that you note the original location of each screw.

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步骤 3

Canon Powershot SD550 Zoom Lens Assembly Replacement: 步骤 3 中的图像 3，3

Remove the 3.2 mm screw from the right side of the camera.
Remove the 2.2 mm screw from the right side of the camera.
One of these screws is hidden under the USB port cover.
Lift the side panel off.
Remove the 1.8 mm screw from underneath the side panel.

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步骤 4

Canon Powershot SD550 Zoom Lens Assembly Replacement: 步骤 4 中的图像 3，3

Remove the two 2.2 mm screws from the left side of the camera.
Lift the plate from the camera.

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步骤 5

Canon Powershot SD550 Zoom Lens Assembly Replacement: 步骤 5 中的图像 3，3

Gently lift the rear of the case to remove it from the camera.

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步骤 6

Canon Powershot SD550 Zoom Lens Assembly Replacement: 步骤 6 中的图像 3，3

Remove the front of the camera body.
Be sure to keep track of the rubber ring.

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步骤 7 LCD Screen

Canon Powershot SD550 Zoom Lens Assembly Replacement, LCD Screen: 步骤 7 中的图像 1，3

Canon Powershot SD550 Zoom Lens Assembly Replacement, LCD Screen: 步骤 7 中的图像 2，3

Canon Powershot SD550 Zoom Lens Assembly Replacement, LCD Screen: 步骤 7 中的图像 3，3

Peel the navigation buttons from the button panel and set them aside.
To free the LCD display, remove the 2.9 mm screw in the top left corner.
Rotate the screen clockwise until it lifts away from the camera.
There are two ribbon cables attached to the rear of the screen. Do not try to pull the screen off at this point.

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步骤 8

To unplug the ribbon cables, pull them straight out of their plugs. Do this gently to avoid damaging the connections.
After disconnecting both cables, pull the screen away from the camera to remove it.

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步骤 9 Image Sensor

Canon Powershot SD550 Zoom Lens Assembly Replacement, Image Sensor: 步骤 9 中的图像 1，2

Canon Powershot SD550 Zoom Lens Assembly Replacement, Image Sensor: 步骤 9 中的图像 2，2

Now the photo sensor is exposed. In order to remove the ribbon cable from its port, first flip up the blue locking mechanism.
After the cable is unlocked, it easily pulls free.

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步骤 10

In order to remove the photo sensor, you will have to cut through glue and remove screws.
Use a knife to carefully slice through the glue at the tree points indicated. Try not to cut through anything but the glue to avoid damage.
WARNING: Knives are sharp. Treat them with respect.
Now remove the three .15 inch screws holding the photo sensor to the camera frame.

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步骤 11

Now you can carefully lift up the image sensor and remove it from the camera.
Be careful not to lose the three small springs or the rubber grommet that lie beneath the sensor.

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步骤 12

You have now successfully removed the image sensor.

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步骤 13 Flash Bulb Assembly

Canon Powershot SD550 Zoom Lens Assembly Replacement, Flash Bulb Assembly: 步骤 13 中的图像 1，1

Once the image sensor is removed, turn the camera over and find the screw in the bottom right corner.
Remove this .01 inch screw to free the ribbon cables.

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步骤 14

Canon Powershot SD550 Zoom Lens Assembly Replacement: 步骤 14 中的图像 3，3

One by one, detach the three ribbon cables from their ports.

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步骤 15

Pay special attention when removing this connector. It does not pull out like the rest of them. Instead, you must use a spudger to lift the connector vertically out of its slot.

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步骤 16

Flip the camera over again so that the rear is showing and remove the two .065 inch screws holding the flash unit in place. They should be on the left side.

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步骤 17

Now you should be able to remove the flash unit from the camera.
When removing the flash, be careful when handling the capacitor. It may contain a powerful charge. Discharge may result in damage and personal injury.

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