Question about JVC GR-D770 Camcorder

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No picture in Viewfinder window

In the "record" mode, I'm getting a warning the "lenscap" warning even though the lenscap is not on, the viewfinder is black and not picking up any picture in the viewfinder window. Battery and tape are fine.

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You have to check the shutter of the lense is opening or not if it is opening u have to change CCD base assy on the optical block

Posted on Sep 28, 2009

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Assuming you don't see any video through the viewfinder, it could be that the CCD has died on that camcorder. It happens, though not frequently.

If the video though the viewfinder is clear, there might be some sensor on the lens ring to indicate a lens cap, or an automatic lens cap not properly disengaging when put in record mode. 

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Knowledge Article C116445
There is no picture or a black screen appears in the viewfinder or LCD when attempting to record. Follow this procedure to troubleshoot if there is no picture or a black screen appears in the viewfinder or LCD when attempting to record. NOTES:
  • Because each of these steps represents a possible solution to this issue, check the viewfinder or LCD status after completing each step.
  • It may be necessary to refer to the operating instructions provided with the camcorder for information on how to perform a task on your specific model.
  1. Ensure the lens cap on the front of the camcorder has been removed.
  2. Ensure a fully-charged battery is inserted in the camcorder.
  3. Ensure the STANDBY/LOCK switch is set to the STANDBY position.
  4. Turn on the camcorder and set it to the CAMERA mode.
  5. Look to see if an image can be seen in the viewfinder or LCD.
  6. IMPORTANT: Some camcorders have both a viewfinder and LCD. To conserve power, the viewfinder and LCD will not display at the same time. To use the viewfinder, the LCD must be closed.
  7. If the issue is not resolved, reset the camcorder to factory specifications.
NOTE: If the issue is still unresolved after completing the troubleshootin

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