Einleitung
If the Canon PowerShot G9 displays a card error "write locked", it could be simply the switch in the SD-card slot not working.
- Good eyesight and a steady hand is necessary to complete this.
- Be especially careful not to rupture any of the flex cables.
- Work slowly
- Keep the screws sorted, they have different sizes
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Was du brauchst
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Remove screws as marked. 2 for strap holder, 5 for back cover
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Remove Back cover and strap holder
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Disconnect ribbon cable by lifting up flap.
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Disconnect other cable (another flap)
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Remove jog dial unit
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Remove screw and lift LCD upwards very carefully. Do not put any strain on cables.
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Carefully remove flex cables. The left has a flap that needs to be opened (up), the right just needs to be pulled out. Be careful when re-inserting the right one, you can easily damage the fragile cable.
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Remove the LCD
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Remove screws.
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Disconnect connectors for Lens assembly
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Carefully disconnect the tiny cable
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Next step is removing the PCB. I made the mistake not to take care about the battery compartment switch. If you are not careful, the black lever will break off. Not a problem though, because then the camera will work also with opened battery compartmen
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Remove main PCB by slightly bending outward the cover for the jack with fingernail. Now lift the PCB slightly upwards.
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Look under the PCB, there is a connector that needs to be separated by means of a small screwdriver or spudger.
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Re-attaching the connector is not easy. I used a small screwdriver to carefully press the connector back in place.
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Measure continuity with a multimeter on SD-card slot write protect switch.
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If it is not working, short the two points with a bodge wire, so write lock is disabled
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Another possible fault is a broken soldering joint holding the case of the SD-card reader in place.
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Repeat the steps in order to reassemble your device.
Repeat the steps in order to reassemble your device.
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