Question about Olympus Camedia C-750 Ultra Zoom Digital Camera

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Replacement of the internal battery

If I take my batteries out, even for a second, all the settings reset. Also the batteries run down very fast (over a few hours), even if the camera is not in use. I assume that I need to replace the internal battery but do not know how to access it. After undoing all the screws I can see, the back cover appears to be still held on at the top, near the viewfinder. Do you know how to replace the internal battery or get the cover off so I can find it?

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  • Suzanne Furkert Jul 27, 2007

    Well as is not ment to lose all it's settings when you remove the main batteries there must be the equlivent of a internal battery. I'm definitly using the right batteries. How on earth are you ment to fix somthing if you're scared to take it appart - if it was not ment to be taken appart it would have been glued not screwed together.

  • effate Dec 06, 2007

    C-750 loses settings--including time and date--if I remove batteries for even an instant. I'd sure like to fix it. All I've done so far is post my problem on forums in hopes of some help.

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Hi, There is a capacitor in the unit that holds a charge and saves your settings. You can find where to order the part, and some take apart pics here (not my page, just a link I found online): http://www.pbase.com/ociepka/750 Hope that helps you out!

Posted on Jul 27, 2007

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DO NOT try this solution at home. The pics neglect an important and vital piece of information namely that the capacitor is soldered in to place. Easy enough (though not simple) to get to the point of removing the old capacitor. Impossible to replace with the ordered part unless you are an expert at microsolder in very tight spaces. One to leave to the experts I think.

Posted on Jan 06, 2008

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Both of these cameras have a small MnO2Li coin battery type CR2025.

It five minutes work to replace and you don't need to take the whole camera apart. The battery is located in a rubber holder located on the 1400 underneath the hand grip. You need a stout tooth pick or unbent paper clip to pull it out.

Alterntively take your cemera to a real photo place where they should do the replacement for the cost of the new battery.

Posted on Dec 12, 2007

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I have nikon coolpix 4800, and i have the same problem, the settings reset, i open the camera and i found one little battery sanyo, tomorrow i will replace these battery, i hope fix the problem :S (my english is so bad)

Posted on Jul 27, 2007

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Is there an internal battery? Taking a camera apart is not a good idea. Are you sure you are using the specified batteries as laid down in the Manual? Try Olympus Technical support don't tell them you have had it apart.

Posted on Jul 25, 2007

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Tip

Nikon Coolpix keep resetting Time and Date and menu settings.


Hi.

I am listing this tip for the Nikon Coolpix 995, but the tip is valid for all Nikon Coolpix models.

The Nikon cool pix settings are saved into an internal memory.

The internal memory is maintained by an internal rechargeable battery, that is recharged from the main Li-Ion battery.

If you leave your Nikon overnight with no main battery, or if the Li-Ion batteries have drained, then the internal battery will also drain , resetting the clock and other settings, saved on the internal memory. The camera may even drain in about 6 hours depending on the camera, normally it takes at least 12 hrs to drain the clock battery.

If the internal battery is resetting immediately, after you set the clock, or just after few minutes, then the clock battery must be replaced.

The camera must be disassembled completely to replace the battery located on one of the two main internal boards.



Nikon says that the clock battery loosing charge is normal. I quote what they say on the publication titled " The Nikon Guide to digital photography with Coolpix"

"Backup battery of the clock
The clock-calendar is powered by a separate rechargeable battery, which is charged as necessary when the main battery is installed. If the camera has been stored with the main battery removed for a long period of time, the clock may need to be reset. Once the main battery has been reinserted, the clock battery will recharge in several hours, during which time the main battery should be left in the camera."
Original file: Download here


If the clock does not work at all, and is resetting immediately, even though the Li-Ion batteries are fully charged, then the best thing to do is calling Nikon, at the number listed on the owners manual, telling them that you did not do any improper use of the camera, and trying to get the fault repaired as factory defect. That is not always possible, and the decision depends on Nikon customer service.

See also: Nikon | Contacts


Ginko.

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