Question about Canon PowerShot A95 Digital Camera

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A95 PowerShot turns on and off until batteries die.

This A95 has a mind of its own.... with fresh batteries, it will turn itself on, then a few seconds later, off, then a bit later, on, and so on, until the batteries are dead. If it's turned on manually, then in a few seconds, it will turn off, then a bit later, will turn on, and so on, until the batteries die. I have to leave the battery cover open to keep the batteries from dying. If it is on, occasionally, I can take a picture, before it turns itself off.

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  • keith20mm Feb 01, 2008

    "
    By the way, were you the person that left a similar comment on my blog"

    No, this is the only post on the A95, and I'll certainly disassemble the camera now that I have a lead. Thanks!!

    k

  • keith20mm Feb 01, 2008

    I found the problem with the A95, and it's a service center repair job. The keypad matrix ribbon connector LATCH at the mainboard has a broken finger on the right side. Therefore, the ribbon contacts are not firmly seated to the mpu connector pads, and are making intermittent connection to the mpu, and doubtless causing all kinds of problems in the programs keypad matrix scan routine. I also located the little black plastic finger rattling around inside the case.

    Although I have surface mount equipment (hot air soldering/desoldering equipment), it isn't worth my time to persue this repair... I'll let Canon handle it from here, and if the cost is prohibitive (they will likely call for a new main board, even though the problem is their poor choice of a ribbon connector, and, after all, the problem is JUST A BAD CONNECTOR, .. rather than attempt a surface mount connector removal/replacement) then I'll just pitch the unit, wait for a dud to show up that needs a part other than the main board, etc, or just buy a newer model camera...

    Thanks for all your help...

    keith

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  • 4,738 Answers

Sounds like you have a stuck power button or shorted power switch. To repair you'll need to remove the top cover. Please see the following disassembly guide. It's in Estonian, but you can follow the pictures.

Continue to page 2, paying particular attention to the second and third picture. It looks like the power switch is connected to the camera through a simple ribbon cable. I'd suggest removing the ribbon cable end from its connector, cleaning any obvious crud, and then reseating the ribbon cable end into its connector. Ribbon cables are notorius for suddenly shorting or getting a bad connection at the connector. Usually just jiggling the cable can fix it too :-) Good luck!

http://qman.fotokala.ee/Kaamerad/PowerShotA95/index.html

By the way, were you the person that left a similar comment on my blog? http://camerarepair.blogspot.com/2007/12/fuji-digital-cameras-showing-black.html


Posted on Feb 01, 2008

  • CameraR
    CameraR Feb 01, 2008

    Looking at the photos, appears that you'll need to remove the top left screw, along with several screws that you'll need to access through the battery compartment. A magnetized hobby screwdriver would be ideal for the hard to get at screws.

  • CameraR
    CameraR Feb 01, 2008

    One more by the way, don't go any further than popping the top as there is a risk of electrical shock from the flash capacitor:



    http://camerarepair.blogspot.com/2007/11...

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