Canon PowerShot A540 Function Key Motherboard Replacement

Última actualización: May 7, 2024

20 - 30 minutos

Moderado

Introducción

If your camera's function keys are nonresponsive, you may need to replace the function key motherboard. After removing the back cover and the LCD screen, you will be able to replace the function key motherboard yourself.

Qué necesitas

Herramientas

Paso 1 Back Cover

Canon PowerShot A540 Function Key Motherboard Replacement, Back Cover: paso 1, imagen 1 de 2

Canon PowerShot A540 Function Key Motherboard Replacement, Back Cover: paso 1, imagen 2 de 2

Turn off the camera.
Turn the camera upside-down and press the tab to release the battery cover. Remove the batteries.

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Paso 2

Turn the camera upside down to view the "Card/Batt. Open" Cover.
Use a Phillips head #000 screwdriver to remove the three (3) 4.0 mm screws.

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Paso 3

Open "Card/Batt. Open" Cover.
Remove the one (1) 5.0 mm screw with the Phillips head #000 screwdriver.

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Paso 4

Turn the camera to the right side of the LCD screen.
Remove the three (3) 4.0 mm screws with the Phillips head #000 screwdriver.

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Paso 5

Canon PowerShot A540 Function Key Motherboard Replacement: paso 5, imagen 3 de 3

Gently remove the back cover.
Start at the bottom at the corner of the "Card/Batt. Open" Cover.
Then move onto the other edges and the top.
It may be tight at the top!

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Paso 6 Function Key Motherboard

Canon PowerShot A540 Function Key Motherboard Replacement, Function Key Motherboard: paso 6, imagen 1 de 2

Canon PowerShot A540 Function Key Motherboard Replacement, Function Key Motherboard: paso 6, imagen 2 de 2

Turn the camera to view the back.
Remove the one (1) 3.0 mm screw on the top right corner of the screen.
There is a small metal bar that rests on this frame. Keep it with the screws that have been removed from the camera.