Question about JVC Cybercam GR-D72 Mini DV Digital Camcorder

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Lens cap on

When I turn on my camera it says lens cap. the lens seems to be opening but i cannot veiw via the viewfinder or the lcd screen

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Re: lens cap on

I contacted JVC @ 800-252-5722 regarding this problem. I selected the "Corrective Action Program" from the automated attendent prompts. I spoke to a customer service rep. They are aware of this problem and are fixing it for free, but only until 12/31/07. I suggest you call and get your name in the computer ASAP. If the problem is something besides the CCD sensor, they will call to advise you of the charges.

Posted on Dec 28, 2007

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When in video recording mode LCD screen and viewfinder are black when the lens cap is off.

It could one of a few problems:

1. The viewfinder is pulled out and "PRIORITY" is set to "FINDER".

Push the viewfinder back in or set "PRIORITY" to "LCD".

2. The LCD monitor's brightness setting is too dark.

Adjust the brightness of the LCD monitor.

3. If the monitor is tilted upward 180 degrees, open the monitor fully.

Download the manual for more info:
JVC GR D290 Manual

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was the problem the lense cap, or you do still need assistance?

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This is a Iris Problem .....THe Best in house solution is to Bang the camera Lightly with your palm .... other wise send it to a repairman .... coz you wont be able to open the camera to such an extent

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Inside the door hinge area is a small switch that normally would turn off the viewfinder and turn on the LCD panel. THat switch could be defective or mechanically not being switched. WIthout opening up the unit, I can not tell specifically. This shouldbe a simple repair for any shop that repairs cameras.


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That soft buzzing sound seems to me would be the power supply inside the camera trying to operate something under a loaded condition like maybe ba stuck iris or lens or could even be those small caps (we call them Pan caps)inside your camera are starting to go bad. unless your quite good at micro electronics I would leave this one for the pros.. Contact the sony service depot in your owners manual.

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