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Question about Canon MV730i Mini DV Digital Camcorder

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Power Failure I have the same problem with my MV730i as ChrisRauch posted sep 23 has with his MVX25i. All power and recharging/direct power have died. Charger is OK. Camera is a couple of months out of warranty and only had around 2hrs running use since new. Button backup battery has been changed - no fix. I note that Scrajmer suspects internal fuses. Canon repair prices for a little used item, just out of warranty appear comparible with the price of a new camera and this will be my course of action if I cannot get a fix. I am an electronics engineer with over 40 years experience on precision electronic systems, and am more than capable of investigating faults like this, however I need info on how to access the camera internals as I do not want to disturb the cassette alignment.

Posted by Peter Jones on

  • Peter Jones Oct 11, 2006

    Thanks for the quick response Scrajmer, however my concern is which screws open the camera? I don't want to release screws that may affect the cassette mechanism.



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"I am an electronics engineer with over 40 years experience on precision electronic systems, and am more than capable of investigating faults like this, however I need info on how to access the camera internals as I do not want to disturb the cassette alignment." i think you can do the job without disturbing any alignment. open the camera. try locating the power section where the battery wires are going. examining minutly you may locate 3 to 4 fuses on the board. if you find any or few of them open have done the job.

Posted on Oct 10, 2006


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Power failure and I need to remove tape

If you can do the repairs yourself there are two ways to fix the problem. Dismental the camera. Try to locate the power board. have a keen look at the components near the battery connector or the power connector. there you will be able to locate 3 to 4 safety fuses. check the continuty. if found open replace it and the problem can be solved. AND the other way is to locate the motor for tape deck loading mechanism. Remove the flex ribbion connector of the motor from the pcb, then try giving 3volt supply from an external device to the motor in both the direction. in one direction it will move the deck outward, but be carefull when the cassette is being ejected a little portion of the tape may get damaged.
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