Canon PowerShot A540 Flash Motherboard Replacement

最終更新日: March 14, 2020

20 - 30 分

難しい

はじめに

If your camera will not flash correctly, even with the proper settings, you might need to replace the flash motherboard. After removing the front and back covers, as well as the LCD screen, you will be able to replace the flash motherboard yourself.

必要な工具と部品

ツール

手順1 Back Cover

Canon PowerShot A540 Flash Motherboard Replacement, Back Cover: 手順 1、 2の画像 1

Canon PowerShot A540 Flash Motherboard Replacement, Back Cover: 手順 1、 2の画像 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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手順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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手順3

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

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手順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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手順5

Canon PowerShot A540 Flash Motherboard Replacement: 手順 5、 3の画像 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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手順6 Front Cover

Canon PowerShot A540 Flash Motherboard Replacement, Front Cover: 手順 6、 2の画像 1

Canon PowerShot A540 Flash Motherboard Replacement, Front Cover: 手順 6、 2の画像 2

Turn the camera to view the front.
Remove the lens guard.
Press the lens guard's button as you turn the guard counterclockwise.

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手順7

Turn the camera to the side left of the LCD screen.
Remove the one (1) 4.0 mm screw with the Phillips head #000 screwdriver.

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手順8

Remove the front cover gently.
When removing the front cover, a thin, black rubber washer may fall off the lens. If it does, make sure to put it back on the lens before reassembly.

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手順9 Flash Motherboard

Canon PowerShot A540 Flash Motherboard Replacement, Flash Motherboard: 手順 9、 1の画像 1

Turn camera so that you see the top side with the settings wheel.
Use a Phillips head #000 screwdriver to remove the one (1) 5.0 mm screw at the top as shown.

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手順10

Remove plastic cover so that you can see the exposed motherboard.

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手順11

Gently pull the ribbon out.

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手順12

Using a soldering iron and a desoldering wick, carefully disconnect all the wires from where they come into contact with the flash motherboard.
When all the wires are disconnected, you are ready to replace the flash motherboard.
If you have no experience with soldering, do not attempt to replace the flash motherboard. Seek help from someone who has experience with this equipment.