70 EN

TROUBLESHOOTING

Before requesting service, use this chart and see if you can repair the trouble yourself. Small problems are often easily corrected, and this can save you the trouble of sending your VCR off for repair.

POWER

 

 

 

 

 

 

 

 

 

 

 

 

SYMPTOM

 

 

POSSIBLE CAUSE

 

CORRECTIVE ACTION

1.

The power will not come on.

 

● The AC power cord is disconnected.

Connect the AC power cord.

 

 

 

 

 

 

 

2.

The clock works, but the VCR’s

 

● The VCR is in the timer recording

Press TIMER to disengage.

 

power will not come on.

 

standby mode with “AUTO TIMER”

 

 

 

 

 

set to “OFF” (☞ pg. 56).

 

 

 

 

 

● The child lock function is activated.

Press and hold POWER on the

 

 

 

 

 

 

Remote for more than seven seconds

 

 

 

 

 

 

to release the child lock function

 

 

 

 

 

 

(☞Ê pg. 78).

 

 

 

 

 

 

 

3.

The Remote will not function.

 

● The batteries are discharged.

Replace the dead batteries with new

 

 

 

 

 

 

ones.

TAPE TRANSPORT

 

 

 

 

 

 

 

 

 

 

 

SYMPTOM

 

POSSIBLE CAUSE

 

CORRECTIVE ACTION

1. The cassette gets stuck partway

 

● The cassette was inserted incorrectly.

Make sure the cassette’s window is

during loading, and is ejected.

 

 

 

facing up, the rear label side is facing

 

 

 

 

you and the arrow on the front of the

 

 

 

 

cassette is pointing towards the VCR.

 

 

 

 

Then insert the cassette.

PLAYBACK

 

 

 

 

 

 

 

 

 

 

 

 

 

SYMPTOM

 

POSSIBLE CAUSE

 

CORRECTIVE ACTION

 

1.

The tape is running but the picture

 

● The TV receiver is set to the wrong

Select the AV mode on the TV.

 

 

will not appear.

 

mode.

 

 

 

 

 

 

 

 

 

2.

Breaks are noticeable in Hi-Fi

 

● Automatic tracking is engaged.

Disengage auto tracking and adjust

 

 

sound track.

 

 

 

the tracking manually (☞ pg. 23).

 

 

 

 

 

 

 

 

3.

The playback picture is blurred or

 

● The video heads may be dirty.

The heads must be cleaned. Consult

 

 

interrupted, even though TV

 

 

 

your JVC dealer.

 

 

broadcasts are clear.

 

 

 

 

 

 

 

 

 

 

 

 

4.

The Hi-Fi sound cannot be heard.

 

● Audio Monitor setting is incorrect.

Set Audio Monitor to “HI-FI”

 

 

 

 

 

 

(☞ pg. 23).

 

 

 

 

 

 

 

RECORDING

 

 

 

 

 

 

 

 

 

 

 

 

 

SYMPTOM

 

POSSIBLE CAUSE

 

CORRECTIVE ACTION

1.

Recording will not start.

● There is no cassette loaded.

Insert a cassette.

 

 

 

● The loaded cassette has had its

Remove the cassette and cover the

 

 

 

record safety tab removed.

hole with adhesive tape, or load a

 

 

 

 

 

cassette on which the record safety

 

 

 

 

 

tab is intact.

 

 

 

 

 

 

2.

TV broadcasts will not be recorded

● The VCR has been set to “L-1”,

Select the appropriate channel on the

 

properly.

“L-2”, “F-1” or “I-1 etc.” input mode

VCR.

 

 

 

by mistake.

 

 

 

 

 

 

 

3.

Tape-to-tape editing will not work.

● The components have been

Connect the components correctly

 

 

 

incorrectly connected, or correct

(☞ pg. 62, 64) or check “REAR AUX

 

 

 

video connector (S VIDEO, VIDEO

L-1 (or L-2)” and “FRONT AUX F-1”

 

 

 

or DV) is not selected.

setting (☞ pg. 55).

 

 

 

● The power to one or more of the

Make sure the power to all units is on.

 

 

 

units has not been turned on.

 

 

 

 

● The recording VCR’s input mode has

Select the appropriate input mode on

 

 

 

been set incorrectly.

the recording VCR.

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JVC HM-DH30000U manual 70 EN, Troubleshooting
Page 69 Page 71

HM-DH30000U specifications

The JVC HM-DH30000U is a versatile professional-grade digital video recorder that merges the capabilities of both VHS and digital formats, marking a significant achievement in video technology. This unique device serves as a bridge between traditional analog tapes and modern digital workflows, making it an ideal tool for video production, archiving, and playback.

One of the standout features of the HM-DH30000U is its ability to play and record in both S-VHS and VHS formats. This broad format compatibility ensures that users can easily access and preserve their existing VHS tape collections while also leveraging new video technologies. The built-in transcoding capabilities mean that VHS tapes can be converted into a digital format without sacrificing quality, making it easier to store and edit content on digital platforms.

In terms of video quality, the HM-DH30000U supports high-resolution output formats, ensuring that the recordings maintain a high level of detail and clarity. The machine is equipped with JVC’s advanced digital processing technologies that enhance the quality of both playback and recording. The Digital Frame Sync technology helps in eliminating jitter and enhancing the overall quality of video playback, which is crucial for professional applications.

The HM-DH30000U also includes features such as IEEE 1394 FireWire connectivity, allowing for easy connection to digital video cameras and other equipment. This connection enables seamless transfer of video footage and simplifies the editing process by providing a direct digital link. The unit also supports various input and output options, including composite, S-Video, and component video outputs, making it a flexible addition to any video production setup.

Furthermore, the recorder incorporates a user-friendly interface, allowing for straightforward navigation and operation. The on-screen menus make it easy to access settings and make adjustments, accommodating both novice users and seasoned professionals. The HM-DH30000U is designed for durability and reliability, making it a trusted companion for any video enthusiast or professional.

Overall, the JVC HM-DH30000U stands out as a functional and reliable device that combines the best of both analog and digital worlds, making it a valuable asset for those looking to preserve, edit, and create video content with ease. Its integration of advanced technologies and user-friendly features ensures that it meets a diverse range of video production needs.
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