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Canon PowerShot A75 Motherboard/Capacitor Replacement

Introducción

Use this guide to replace the Canon PowerShot A75's upper motherboard.

Qué necesitas

  1. Canon PowerShot A75 Motherboard/Capacitor Replacement, Batteries: paso 1, imagen 1 de 1

    • Turn the camera over and locate the "BATT OPEN" sliding switch.

    Traducir

  2. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 2, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 2, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 2, imagen 3 de 3

    • Slide the switch to the right.

    • The battery cover should slide down and spring open.

    Traducir

  3. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 3, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 3, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 3, imagen 3 de 3

    • Remove the 4 AA batteries.

    • Watch for the orientation of the batteries as they slide out.

    • The battery orientation is shown under the battery flap itself and on a sticker next to the battery flap.

    Traducir

  4. Canon PowerShot A75 Motherboard/Capacitor Replacement, Casing: paso 4, imagen 1 de 1

    • Remove the three 2.5mm screws on the bottom of the camera.

    Traducir

  5. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 5, imagen 1 de 1

    • Remove the 3.8mm screw underneath the flap that covers the A/V port.

    Traducir

  6. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 6, imagen 1 de 2 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 6, imagen 2 de 2

    • Remove the 2.4mm screw located underneath the cover of the memory card slot.

    Traducir

  7. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 7, imagen 1 de 2 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 7, imagen 2 de 2

    • Open the memory card slot by sliding it laterally until you hear a click.

    • Remove the 5.9mm screw in the upper corner of the memory card slot.

    Traducir

  8. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 8, imagen 1 de 1

    • Remove the two 4.1mm screws at the bottom of the battery flap.

    Traducir

  9. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 9, imagen 1 de 2 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 9, imagen 2 de 2

    • Lift the shutter button and speaker part from the top of the camera.

    • DO NOT pull the part too hard because there is a plug connecting the speaker to the camera.

    Traducir

  10. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 10, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 10, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 10, imagen 3 de 3
    Herramienta utilizada en este paso:
    Tweezers
    $4.99
    Comprar

    • Using a pair of tweezers, grab the plug that connects the speaker to the camera and gently pull it out.

    Traducir

  12. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 11, imagen 1 de 1

    • Remove the rightmost 4.2mm screw underneath the battery cover, not the center screw.

    Traducir

  13. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 12, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 12, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 12, imagen 3 de 3

    • Separate the back casing and front casing of the camera using your hands.

    • Pulling the two halves apart can be difficult, especially at the top. Use a moderate amount of force.

    Traducir

  14. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 13, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 13, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 13, imagen 3 de 3

    • On the front of the camera, press the button on the lower left of the lens.

    • Twist the outer lens casing counter-clockwise and slide it out.

    Traducir

  15. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 14, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 14, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 14, imagen 3 de 3

    • Take off the front casing.

    • There is a black rubber washer around the lens that comes out after you take the casing off. Make sure to replace it when putting the camera back together.

    Traducir

  16. Canon PowerShot A75 Motherboard/Capacitor Replacement, LCD Screen: paso 15, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement, LCD Screen: paso 15, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement, LCD Screen: paso 15, imagen 3 de 3

    • Remove the 4.4mm screw directly behind the eyepiece on the top of the camera.

    • Remove the 4.3mm screw to the right of the eyepiece housing in the crack in between the eyepiece and a ribbon cable on top of the camera.

    Traducir

  17. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 16, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 16, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 16, imagen 3 de 3

    • Gently wiggle the eyepiece out of its place. It should snap out of place.

    • There should be a white ribbon cable underneath attached to the motherboard.

    Traducir

  18. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 17, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 17, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 17, imagen 3 de 3
    Herramienta utilizada en este paso:
    Tweezers
    $4.99
    Comprar

    • Locate the white cable on top of the camera where the eyepiece was.

    • Using tweezers, grasp the white cable as close to the connection point as possible and gently remove the cable.

    • The cable should just slide out with a slight tug.

    • Remove the 2.9mm screw directly underneath the white cable.

    Traducir

  19. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 18, imagen 1 de 1

    • Remove the 4.2mm screw directly under the battery flap.

    Traducir

  20. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 19, imagen 1 de 2 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 19, imagen 2 de 2

    • Remove the 3.4mm screw inside a deep hole on the back copper panel beneath the circular mode switcher.

    • This screw is a little difficult to get out.

    Traducir

  21. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 20, imagen 1 de 1

    • Remove 2.5mm the screw in the silver housing on the bottom of the camera. This screw is holding the back panel in.

    Traducir

  22. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 21, imagen 1 de 2 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 21, imagen 2 de 2

    • Remove the 3.4mm screw near the bottom of the back face of the camera on the copper ribbon.

    • Remove the 2.9mm screw on the back face of the camera in the bottom left corner.

    Traducir

  23. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 22, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 22, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 22, imagen 3 de 3

    • Locate the copper ribbon cable attaching the LCD screen to the bottom motherboard.

    • Grasp the cable near the white connector and gently remove the cable.

    Traducir

  24. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 23, imagen 1 de 2 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 23, imagen 2 de 2

    • Gently pull back the LCD screen to around 45 degrees from the back of the camera.

    • Do not pull the back panel too far, it is connected to the top of the camera with ribbon cables and is not meant to separate from the camera.

    • Locate the larger ribbon cable connecting the screen to the body of the camera.

    Traducir

  25. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 24, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 24, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 24, imagen 3 de 3

    • Gently grasp and pull the cable from the motherboard. The cable should easily slide out.

    • This ribbon cable may be easier to remove using your hands instead of the tweezers.

    • The LCD should now be out after the cable is removed.

    Traducir

  26. Canon PowerShot A75 Motherboard/Capacitor Replacement, Motherboard/Capacitor: paso 25, imagen 1 de 2 Canon PowerShot A75 Motherboard/Capacitor Replacement, Motherboard/Capacitor: paso 25, imagen 2 de 2

    • Remove the 3.5mm screw found near the capacitor and the flash unit.

    Traducir

  27. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 26, imagen 1 de 2 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 26, imagen 2 de 2

    • Carefully remove the yellow piece of adhesive tape connected to the motherboard.

    Traducir

  28. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 27, imagen 1 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 27, imagen 2 de 3 Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 27, imagen 3 de 3

    • Remove the main motherboard from the casing, which is connected to the flash unit, capacitor, and bottom motherboard.

    • Do not damage or remove the cables connected to the motherboard. The motherboard is connected to the bottom motherboard by two wires. There are also two red wires on the outside of the motherboard.

    Traducir

  29. Canon PowerShot A75 Motherboard/Capacitor Replacement: paso 28, imagen 1 de 1

    • Do not proceed to the next step unless you have previous soldering experience because you can damage the motherboard if you are not careful.

    • Unsolder any remaining wires on the motherboard to completely remove it.

    Traducir
Conclusión

To reassemble your device, follow these instructions in reverse order.

Autor

con 5 otros colaboradores

Carlos Fletes

Miembro Desde 04/17/12

1 Reputación

1 Guía escrita

Insignias: 2

Equipo

Cal Poly, Team 17-30, Amido Spring 2012 Miembro de Cal Poly, Team 17-30, Amido Spring 2012

CPSU-AMIDO-S12S17G30

5 Miembros

12 Guías creadas

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