Question about Canon PowerShot A540 Digital Camera

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Distorted image when taking picture on canon a540

Cnanon a540 - the camera was dropped and now the image displayed on the LCD in camera mode or the playback of new pictures is distorted. The image is streched vertically. Playback or display of prior pictues is OK. The display is also OK when in function mode or going through the menus. Is there anything I can do to correct this is?

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Posted on Nov 15, 2008

  • James TA Nov 15, 2008

    Definitely sounds like the image sensor has been damaged. If the LCD was the problem, then ALL pictures --- old and new --- would be distorted. Since old pictures and menus display without problems, the LCD is okay.

    But if the "live" images shown in camera mode and any new pictures you take are messed up, that means the sensor is sending bad information to the LCD and the memory card.

    I'm guessing it will probably be more cost-efficient to buy a new camera than to repair this one. If you're mechanically inclined, you could find out what a new sensor costs and decide whether you want to try to fix it yourself. I don't how the sensor is attached internally; whether it's a soldered connection or a plug-in socket (which would be nice).

    The easiest and cheapest solution might be to pick up a good used A540 (or similar model) on eBay like I did. Got mine a year ago for about $120.00.

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Camera will take photos, but I can't see the image on the screen prior to taking the picture. I can view the picture afterward, and it is being saved on the memory card.


Sounds as if you have shut off the LCD display, I'm going to include a diagram of the "DISP" button and how it functions.

Diagram
tri3mast_240.jpg
Hope you can read this it looked pretty small on my screen.

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But does it take usefull pictures? I mean, after you take the picture, can you download it onto the computer?

  • If yes, you probably deactivated the back LCD by mistake. Look for a "display" button (or similar) and push it. It will cycle through all of the available display modes.

  • If not, it's probably a software error. Take the camera to a local electronist or Canon dealer for repairs.

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If your Canon A85 shows distorted image in live view (camera mode) then its known problem of ccd imager chip failure. Check below image.
canon offers free of cost ccd imager chip replacement in A85 model.
Please confirm if its canon A85 camera or any other model to provide you more info.

d85aac8.jpg


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Hi,

Apparently the vendor-supplied CCD image sensor used in this Canon digital camera may cause the following malfunction: When the product is used in recording or playback mode, the LCD screen and/or electronic viewfinder may exhibit either a distorted image or no image at all.

To determine if the CCD (image sensor) is working properly, follow these steps:

1. Insert a memory card with known good images on it into the camera.

2. Power the camera on to the Playback mode.

3. Press the DISPLAY (DISP) button to enable the LCD panel, and observe
the LCD.

a. If the images are displayed properly, please proceed to step
four.

b. If the images are not displayed, or a "NO IMAGES" message
appears, please ensure that the memory card contains known good images.

c. If the card contains known good images, and the issue persists
with a second memory card, the camera will require service.

4. Switch the camera to the Camera mode. You may use any shooting mode
(i.e. Auto, Manual).

5. Press the DISPLAY (DISP) button to enable the LCD panel.

6. Point the camera at a well-lit scene and observe the LCD and/or
viewfinder. If the scene the camera is pointed at appears on the LCD
and/or viewfinder, the CCD is operating properly. If the LCD and/or
viewfinder remain black, the camera requires service.

Effective immediately, and regardless of warranty status, Canon will
repair, free of charge, products exhibiting the above-mentioned
malfunction if the malfunction is caused by the CCD image sensor. Canon will also cover the cost of shipping and handling in connection with this repair.



Regards.


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1 Answer

My A540 clicks like it takes a picture but nothing shows on the display screen. When I take the memory card out and insert to computer the frame of pictures show but the photos are black.


A stuck shutter is another common failure mode for digital cameras. The symptoms of a stuck or "sticky" shutter are very similar to CCD image sensor failure. The camera may take black pictures (for shutter stuck closed), or the pictures may be very bright and overexposed, especially when taken outdoors (for shutter stuck open).

To confirm a stuck shutter, put the camera in any mode other than "Auto", and turn the flash OFF (you don't want to blind yourself for the next step). Next look down the lens and take a picture. You should see a tiny flicker in the center of the lens as the shutter opens and closes. If no movement is seen, then you likely have a stuck shutter. If so, please see this link for further info and a simple fix that may help.

But if you do notice shutter movement, then this would then likely be a CCD imager failure. It would in that case require Canon service to repair (1-800-OK-CANON).

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1 Answer

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Sounds like it needs service. Call Canon tech support.

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1 Answer

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Here ya go. Only proceed as far as shown in the first two pictures to remove and replace the LCD.

http://photography-on-the.net/forum/showthread.php?t=251630

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jvsnype and ygjeff21, have you checked to see if the pistures also come up as blank or distorted (a sure sign of a CCD failure)? If the pictures are OK, then it might be that you accidentally hit the DISP button, or the camera has a loose LCD ribbon cable connector. The reason I would suspect either is that ygjeff mentioned that the LCD would spring to life when he played with the buttons on the back of the camera.

If and only if the camera still takes good pics, and the DISP button has been checked, then would next recommend reseating the LCD ribbon cable into its connector (ALSO ONLY IF THE CAMERA IS NO LONGER UNDER WARRANTY). The following link may be of some help. Wouldn't recommend going any farther than the first three pictures. You just want to jiggle or reseat the ribbon cable where the LCD connects to the circuit board, nothing else:

http://photography-on-the.net/forum/showthread.php?t=251630

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From the Canon Website: Issue: The LCD/Electronic Viewfinder will not display an image. Solution: Special information regarding a blank or distorted screen on certain digital camera models Details: [ Hide ] Important Notice About Your Canon Product: It has recently come to our attention that the vendor-supplied CCD image sensors used in this Canon digital camera may cause the following malfunction: When the product is used in recording or playback mode, the LCD screen and/or electronic viewfinder may exhibit either a distorted image or no image at all. While reports of this malfunction have been rare in the United States, we have determined that it may occur if the product is exposed to hot and humid environments. Effective immediately, and regardless of warranty status, Canon will repair, free of charge, products exhibiting the above-mentioned malfunction if the malfunction is caused by the CCD image sensor. Canon will also cover the cost of shipping and handling in connection with this repair. U.S. residents are kindly directed to contact the Canon Customer Support Center for further assistance at 1-800-828-4040. Support hours are Monday thru Friday - 8:00 AM to 12:00 midnight; and Saturday 10:00 AM to 8:00 PM (all times EST). Alternatively, if electronic support is preferred, please send your email to carecenter@cits.canon.com This information is for residents of the United States of America and Puerto Rico only. If you do not reside in the USA or Puerto Rico, please contact the Canon Customer Support Center in your region. We sincerely apologize for any inconvenience caused by this issue, and appreciate your understanding in this matter. Thank you for your support and patronage of Canon products.

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