Einleitung
Follow this guide to learn how to replace the motherboard for the Canon PowerShot SD750. Prerequisites for this guide include disassembling the casing and removing the LCD screen.
Werkzeuge
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Turn the camera to the side that has the attachment for the wrist strap.
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Unscrew the two black 3.4 mm screws with a #00 Phillips screwdriver.
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Remove the plastic subsection by prying it with your fingers.
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The wrist strap attachment behind the subsection will come loose and may fall out.
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Turn the camera over to the side opposite of the wrist strap.
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Remove the two silver 3.4 mm screws with a #00 Phillips screwdriver.
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Flip the camera upside down.
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Remove the following screws with a #00 Phillips screwdriver.
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One black 3.4 mm Phillips screw.
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One silver 3.4 mm Phillips screw.
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Place the camera on the side opposite of the wrist strap handle.
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Then begin to pry the casing apart with both hands by applying pressure to the top and bottom of the camera.
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Remove the small metal plate underneath the plastic covering and set aside. (It should be loosely attached)
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Flip the camera right side up.
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Remove the silver 3.5 mm screw (located on top of the camera) with a #00 Phillips screwdriver.
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Grip the corner of the A/V digital port and pull up and outward.
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Turn the camera forward so that the LCD screen is facing you.
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Remove the silver 3.4 mm screw at the top right hand corner of the LCD screen with a #00 Phillips screwdriver.
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Slide the LCD screen to the left of the camera and then gently pull the LCD screen away from the camera.
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Be sure to align the screen properly.
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Be gentile and do not tear the ribbon connector for the LCD screen to camera.
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Locate the two ribbons connected to the camera and the LCD screen. (One is red and small and the other is wide and orange)
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Remove the top left red ribbon by gripping the connector on the camera and sliding it straight out.
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Remove the side orange ribbon by gripping the connector on the camera and sliding it straight out.
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Place the camera forward so that the LCD screen side is facing up.
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Remove the circular plastic button from the back of the camera.
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Leave the camera facing forward.
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Grab the round orange and black stripped connector as pictured.
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Then rotate the connector upward and pull the ribbon out.
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Place the camera backward so that the lens is facing up.
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Disconnect the ribbon that attaches to the motherboard by rotating the connector upwards.
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Pull the ribbon out of the ZIF connector.
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Stand the camera upward.
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Disconnect the white connector attached to the flash by pulling it out on the top right side of the camera.
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Then remove the orange circuitry.
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Place the camera backward so that the lens is facing up.
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Disconnect the ribbon at the bottom of the main board by flipping up the brown ZIF connector and sliding the ribbon out.
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Remove the right most square connector at the bottom of the camera by flipping up the connector with two fingers until it detaches.
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Locate and remove the white rubber cover on the microphone.
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Leave the camera facing backward so that the lens is facing up.
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Remove the square connector at the top of the motherboard by grabbing the connector with two fingers and pulling up until it detaches.
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Refer to the picture for correct removal.
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Leave the camera facing backward so that the lens is facing up.
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Flip up the ZIF locking mechanism using a paperclip
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Use the paperclip to pull the ribbon cable from the ZIF socket.
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Leave the camera facing backward so that the lens is facing up.
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Remove the two flat silver 3.46 mm Phillips screws with a #00 Phillips screwdriver connecting the motherboard to the frame of the camera.
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Leave the camera facing backward so that the lens is facing up.
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Pull the motherboard out by lifting it up on the left side about a 1/2 inch from the case and then slide it to the left.
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To reassemble your device, follow these instructions in reverse order.