Routine and Periodical Maintenance

The GY-DV300 incorporates precision mechanical parts, which will collect dirt, wear out and deteriorate as the unit is used. On the other hand, when the unit has been used for a long period in a normal environment, the heads, drums and tape transport mechanisms also accumulate dirt that is deposited on them. Furthermore, dust which penetrates the inside of the VCR section especially during outdoor use will promote the wear and deterioration of mechanical parts by causing poor contact between tape and heads or failure to maintain the video and audio quality at high levels. To prevent wear and deterioration, clean the mechanical parts using a head cleaning tape as routine maintenance. However, as cleaning with a head cleaning tape alone is not enough for cleaning the entire tape transport mechanism, it is also recommended to apply periodical maintenance (inspection) to prevent troubles that may be caused by the sudden occurrence of failure. As the replacement, adjustment and servicing of parts require advanced skill and equipment, please consult the person in charge of professional video equipment at your nearest JVC-authorized service agent.

Head Cleaning

●To maintain beautiful video and sound, be sure to use a head cleaning tape to clean the head periodically. (Read “Precautions for Use of Head Cleaning Tape” on page 10.) If head cleaning is not performed periodically, a type of mosaic noise called block noise may appear in the picture or sound may be interrupted.

Block Noise

●Use the optional head cleaning tape M-DV12CL. Do not use other than the dºesignated head cleaning tapes. For instructions on how to use the head cleaning tape and precautions for its use, read “Precautions for Use of Head Cleaning Tape” on page 10.

●When dirt adheres to the video heads of the GY- DV300, the warning message “HEAD CLEANING REQUIRED!” appears on the LCD screen and the viewfinder screen during edit search in the recording mode and during playback.

Periodical Maintenance

Contents: Check or replace the following mechanical parts according to the running time.

Running Time

500H

1000H

1500H

2000H

 

 

 

 

 

Drum assembly









(including heads)

 

 

 

 

 

 

 

 

 

Head cleaner









 

 

 

 

 

Tape guides & rollers









 

 

 

 

 

Rotary encoder

–



–



 

 

 

 

 

Belts & gears

–



–



 

 

 

 

 

Drive parts









 

 

 

 

 

: Clean, check and adjust.

: Clean and check. Replace as required.

: Replace.

•The maintenance contents vary depending on the operating environment and method. Therefore, the above data should be considered as a reference.

Time management

The accumulated running time of the unit can be confirmed with the hour meter display (which shows the accumulated drum running time). For details, see “Displaying the Hour Meter Display” on page 104.

HEAD CLEANING

REQUIRED!

For consultations related to the maintenance programming or cost, please contact the person in charge of professional video equipment at your nearest JVC-authorized service agent.

E-9

Page 8 Page 10
Page 9
Image 9
JVC GY-DV301, GY-DV300 instruction manual Routine and Periodical Maintenance, Time management, Head Cleaning Required
Page 8 Page 10

GY-DV301, GY-DV300 specifications

The JVC GY-DV300 and GY-DV301 are part of JVC's renowned D-Series of professional camcorders, known for their impressive video quality and user-friendly features. Launched in the early 2000s, these models gained widespread recognition for their reliability and versatility in various broadcasting and filmmaking environments.

Both camcorders utilize a 1/3-inch CCD sensor that delivers high-quality images with a resolution of up to 720 x 480 pixels in standard definition. The GY-DV300 is particularly notable for its innovative pixel shift technology, which enhances image resolution and detail by shifting the sensor pixels to improve clarity and reduce artifacts. This feature is especially beneficial for capturing finer details in dynamic scenes, making it suitable for both documentary filmmaking and news reporting.

One of the standout features of the GY-DV301 is its advanced lens system, which provides a 16x optical zoom with a focal length range that allows for excellent versatility in framing shots. The Fujinon lens used in these models is well-regarded for its superior optical performance, ensuring crisp, vibrant images in various lighting conditions. Additionally, both camcorders come equipped with a built-in ND (neutral density) filter, enabling filmmakers to control light exposure creatively without compromising on depth of field.

The user interface of the GY-DV300 and GY-DV301 is designed with professionals in mind. The camcorders offer manual controls for focus, iris, and white balance, allowing users to have precise control over their shooting parameters. The ergonomic design ensures that the camcorders are comfortable to use over extended periods, with a range of customizable buttons and settings readily accessible.

In terms of recording formats, the GY-DV300 and GY-DV301 support DV format recording, which offers high-quality digital video suitable for editing and broadcast. They also feature multiple connectivity options, including FireWire and composite outputs, making them compatible with a wide array of editing systems and broadcasting equipment.

Overall, the JVC GY-DV300 and GY-DV301 represent a significant step forward in video technology during their time, merging advanced imaging capabilities with robust professional features. Their blend of quality, flexibility, and an intuitive operational design has made them enduring choices for videographers and broadcasters alike, solidifying JVC's reputation in the professional video market.
Top Page Image Contents