HITACHI DZ-MV350A
Manual de Servicio

Troubleshooting > Problem Guide

Symptom
Pressing the REC button will not start recording. Recording starts but stops immediately.

Cause and Correction During recording
Is input image copy-guarded? The specifications state that DZ-MV350A cannot record a copy-guarded image. Does dirt or fingerprint adhere to Disc cleaning method: disc, or is disc scratched? Use soft cloth to clean Clean the disc. If there is still no from inner to outer circumference in improvement, replace the disc. axial direction.
[Never use solvent.]

LCD screen is hard to see.

Black dots or red, blue or green dots always lit appear on LCD screen or in Viewfinder.

Focus is not correct.

Is some other AV device directly connected to the AV/S input/output jack of DZMV350A? If the AV device is connected via several other devices, such as AV selector, the video signal may not be transmitted correctly. In such a case, reduce the number of devices through which the video signal is transmitted, or connect AV device directly. Are you attempting to record image from video game or PC? Depending on video game or PC, image cannot be recorded on DZ-MV350A. Has brightness of LCD screen been adjusted? Stop recording and adjust the brightness. Is DZ-MV350A being used outdoors? Use the viewfinder. When using LCD monitor, adjust angle so that LCD screen is not exposed to direct sunlight. The panels used for LCD monitor and viewfinder of DZ-MV350A are produced using highly precise technology. However, 0.01% or less of total pixels may not light (black dots) or may remain lit (red, blue, green dots). (The effective amount of pixels on LCD panel is 99.99% or more.) This shows the limitations of the current technology, and does not indicate a fault that will interfere with the operation of LCD panel or operation of DZ-MV350A. Is it difficult to use auto-focus with the subject? Focus manually. Does "MF" appear? The DZ-MV350A is set to manual focus. Focus the subject manually, or release manual focus. Is the diopter control of viewfinder correctly adjusted? Adjust the diopter control. In cases other than the above, set the power switch to "POWER OFF", and then reset it to the original position.

During playback
Recognition of disc is not complete. Pressing the playback button will not start playback. Does dirt or fingerprint adhere to disc, or is disc scratched? Clean the disc. Was the image recorded on a device other than DZ-MV350A? Playback of image recorded on devices other than DZ-MV350A may be impossible. Has scene been edited on a device other than DZ-MV350A? If a scene that was recorded on DZ-MV350A is edited on a device other than DZMV350A, playback may not be possible on DZ-MV350A.

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