JVC DT-V20L1D - User Manual

Questions and Answers

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Susan MillerJul 28, 2025
Why is there no picture on my JVC Monitor even when it's on?
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  Heather CookeJul 28, 2025
  If your JVC Monitor shows no picture despite being powered on, there might be several reasons. First, ensure the signal cable is firmly connected. Second, verify that the connected component is powered on and its output is correctly set. Third, select the correct input using the INPUT SELECT buttons. Finally, confirm that the input signal format is compatible with the monitor.
S
Shannon ArmstrongAug 6, 2025
How to fix no sound on JVC DT-V20L1D Monitor?
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  Jennifer Moody MDAug 6, 2025
  If you're experiencing a lack of sound on your JVC Monitor, try the following: Ensure the signal cable is firmly connected. Also, verify that the connected component is powered on and its output is correctly configured. Then, adjust the volume level and make sure the muting function is deactivated.
J
James HarrellAug 10, 2025
Why does my JVC Monitor say “OTHERS” or “Out of range”?
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  Cynthia AlexanderAug 10, 2025
  If your JVC Monitor displays “OTHERS” or “Out of range,” it indicates that the input signal format may not be compatible with the monitor. Check if the input signal format is acceptable to the monitor.
M
Mark FernandezAug 14, 2025
How to fix a blurred picture on my JVC DT-V20L1D?
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  Martin HaleAug 14, 2025
  To correct a blurred picture on your JVC Monitor, adjust the picture contrast or brightness by using the adjustment knobs on the front panel. Alternatively, adjust “CONTRAST” or “BRIGHT” of “PICTURE SUB ADJ.” in the set-up menu.
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Gary ClarkAug 19, 2025
How to adjust the picture position and size on my JVC DT-V20L1D Monitor?
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  Dr. Adam LyonsSep 12, 2025
  To adjust the picture position and size on your JVC Monitor: * Adjust the picture size (H SIZE/V SIZE). * Adjust the position (H POSITION/V POSITION) of “SIZE/POSI. ADJ.” in the set-up menu. Also, check if the input signal format is acceptable to the monitor.
D
Dawn NguyenAug 23, 2025
Why some items do not appear on the JVC DT-V20L1D Monitor menu?
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  Erin PerezAug 23, 2025
  If some items are missing from the menu on your JVC Monitor, try changing the input or the input signal.
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Gabrielle ChavezOct 31, 2025
What to do if my JVC Monitor says “NO SYNC”?
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  xmooreNov 1, 2025
  If your JVC Monitor displays “NO SYNC”, try these steps: First, ensure the signal cable is firmly connected. Second, select the correct input using the INPUT SELECT buttons. Third, turn on the power of the connected component and ensure it is outputting video signals correctly. Check the video output settings of the component. Fourth, adjust the picture adjustment knobs on the front panel or adjust the items of “PICTURE SUB ADJ.” in the set-up menu, or perform “reset” in “PICTURE SUB ADJ.”. Fifth, select the proper color system (“COLOR SYSTEM”) in “OTHER SETTING.” Sixth, adjust the items of “WHITE BALANCE SET.” in the set-up menu, or perform “reset” in “WHITE BALANCE SET.”. Finally, adjust the picture contrast or brightness using the adjustment knobs on the front panel, or adjust “CONTRAST...

Summary

Safety Precautions

Important Safeguards

Essential safety rules for operation and use of the apparatus.

Power Connection

Details on connecting the monitor to the power source safely.

Installation

Using the Monitor on the Stand

How to set up and adjust the monitor using its stand.

Adjusting Stand Height

Instructions for changing the monitor's vertical height.

Daily Operations and Connections

Front Panel Overview

Description of controls and indicators on the monitor's front.

Rear Panel Connections

Overview of the monitor's rear input/output terminals.

This document describes the JVC DT-V24L1D, DT-V24L1, DT-V20L1D, and DT-V20L1 Multi Format LCD Monitors, providing instructions for installation, daily operations, connections, menu configuration, external control, troubleshooting, and maintenance.

The JVC Multi Format LCD Monitor is designed for professional video applications, offering a range of features for precise image display and control. It can be used in controlled EMC environments such as broadcasting studios or in rural outdoor settings, away from strong electromagnetic interference.

Function Description

The monitor serves as a display unit for various video signals, including HD/SD SDI, DVI, composite, and analog component/RGB signals. It features a multi-format LCD panel capable of displaying high-resolution images. Key functions include:

Image Adjustment: Users can adjust contrast, brightness, phase, chroma, and color density to optimize picture quality. The monitor also offers a "Moving Picture" function to reduce lag, a common characteristic of LCDs, and controls for aperture frequency and level to compensate for luminance signals.
Aspect Ratio Control: The monitor allows users to switch between 4:3 and 16:9 aspect ratios, useful for adapting to different source materials or display requirements.
Input Selection: Multiple input select buttons enable quick switching between various video sources, including SDI 1, SDI 2, DVI, Composite/RGB, Video 1, and Video 2.
Audio Monitoring: Equipped with stereo speakers and audio output terminals, the monitor allows for monitoring of analog audio signals and embedded audio signals from SDI inputs. An audio level meter can be displayed to check audio conditions.
Marker Functions: The "AREA MARKER" and "SAFETY MARKER" functions help in framing and ensuring content fits within broadcast-safe areas, with adjustable aspect ratios and sizes.
Screen Check: A "SCREENS CHECK" button allows users to display individual red, green, or blue elements of the video signal, aiding in calibration and quality control.
I/P Mode Selection: Different I/P (interlace/progressive) modes (Normal, Cinema, Field) can be selected to match the input picture characteristics.
Time Code Display: For SDI signals, the monitor can display time code data.
Tally Lamp: A tally lamp on the front panel indicates the monitor's status and can be controlled externally, with selectable colors (green, red) and blinking times.
External Control: The monitor supports external control via MAKE/TRIGGER system (contact closure), RS-232C, and RS-485 serial communication, allowing integration into larger control systems. This enables remote control of various functions like input switching, aspect ratio, marker displays, and more.
Status Display: The monitor can display various status information, including signal format, color temperature, source name, and CRC error indications, which can be configured to appear automatically or on demand.
Control Lock: A control lock function disables front panel buttons to prevent accidental changes, while still allowing external control and basic operations like power on/off and menu access for unlocking.

Usage Features

Stand Installation: The monitor can be used on a supplied stand, allowing for tilt adjustments (approximately 6° upward to 6° downward) and height adjustments (up to about 148°). The stand should be securely fixed to a table or floor to prevent accidental falls.
Rack Installation: For DT-V20L1D and DT-V20L1 models, the monitor can be installed in a rack using a JVC RACK MOUNT ADAPTER (RK-C20L1), after detaching the stand.
Menu Navigation: The monitor features an intuitive menu system accessible via front panel buttons. Users can navigate through main and set-up menus to configure various settings, including picture adjustments, audio settings, sync functions, remote control parameters, and information display.
Audio Channel Selection: For models with embedded audio, specific audio channels can be selected for output through the speakers and MONITOR OUT terminals.
Power Cord Holder: A provided power cord holder helps prevent accidental disconnection of the AC power cord.
Security Slot: A security slot is available for installing a security wire to deter theft.
Troubleshooting: The manual includes a comprehensive troubleshooting guide for common issues like no power, no picture, no sound, incorrect color, blurred picture, or wrong picture position/size. It also describes a self-check program that alerts users to malfunctions by flashing INPUT SELECT lamps.

Maintenance Features

Cleaning: Before cleaning, the monitor should be unplugged from the wall outlet.
- Screen: To avoid damage, the screen should not be touched with glues, adhesives, or hard objects, nor wiped with solvents like alcohol, thinner, or benzine. It should be cleaned with a soft dry cloth, a soft damp cloth, or a soft cloth soaked in water-diluted neutral detergent and wrung well.
- Cabinet: The cabinet should not be cleaned with solvents, exposed to volatile substances, or have rubber/plastic in contact for long periods. Stains should be wiped with a soft cloth, or a soft cloth soaked in water-diluted neutral detergent and wrung well for heavy stains.
Ventilation: Dust around the ventilation openings should be removed regularly using a vacuum cleaner or a cloth to ensure proper temperature control and prevent damage.
Hour Meter: The monitor includes a "HOUR METER" that displays the total hours of use, which is useful for maintenance tracking. There is also a "SUB HOUR METER" that can be reset.
All Reset Function: The "all reset" function in the set-up menu restores all settings and adjustments to their default values, except for the hour meter and adjustments made via front panel knobs.
Replacement Parts: When replacement parts are required, only manufacturer-specified or equivalent parts should be used to avoid hazards. Safety checks should be performed after any service or repairs.

JVC DT-V20L1D Specifications

General

Screen Size	20 inches
Panel Type	LCD
Brightness	250 cd/m²
Contrast Ratio	1000:1
Viewing Angle	178°(H) / 178°(V)
Display Colors	16.7 million
Response Time	8 ms
Input Connectors	HDMI, DVI-D, Component, Composite