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Need help?Do you have a question about the NEC MultiSync LCD1920NX and is the answer not in the manual?
General| Screen Size | 19 inches |
|---|---|
| Display Type | LCD |
| Maximum Resolution | 1280 x 1024 |
| Aspect Ratio | 5:4 |
| Brightness | 250 cd/m² |
| Contrast Ratio | 500:1 |
| Response Time | 25 ms |
| Input Connectors | VGA, DVI-D |
| Panel Type | TN |
| Power Consumption | 45 W |
| Viewing Angles | 160° (horizontal), 160° (vertical) |
Safety warnings for service personnel regarding training, equipment, and procedures.
Cautions for servicing, parts replacement, and tool usage.
Highlights key features and technologies of the LCD monitor.
Instructions on how to tilt and swivel the monitor for optimal viewing.
Steps for connecting power, D-SUB, and DVI-D cables for initial setup.
Instructions on how to turn the monitor on and off using the power button.
Explanation of the monitor's function and hot keys for OSD control.
How to adjust screen contrast and brightness using OSD controls.
Adjustments for H/V position, H-SIZE, FINE TUNE and OSD language selection.
Using AUTO-SYNC and related calibration functions within the OSD.
Important safety advice for setting up and using the monitor.
Advice on positioning the monitor to reduce eye and body strain.
Recommendations for optimal ergonomic benefits and eye comfort.
Solutions for problems showing no image, persistence, or instability.
Troubleshooting for power LED and improper display sizing issues.
Explains the warranty period, conditions, and exclusions for product defects.
Declares conformity with FCC Rules and Canadian regulations.
Standard warnings regarding fire, shock hazards, and cabinet opening.
Instructions for entering factory mode and checking status.
Step-by-step guide for writing adjustment data using software.
Explains the function of each button for OSD navigation and control.
Steps for powering on the unit and checking LED status.
Procedure to inspect and verify brightness and contrast adjustments.
Verifies the functionality of AUTO-SYNC, H-SIZE, and FINE TUNE.
Confirms correct display for various input signals and sync types.
Verifies automatic video input port switching and detection.
Lists criteria for visually inspecting the display surface for defects.
Steps for starting PNP.EXE and assigning operation keys.
Guide for writing EDID data for D-SUB and DVI-D interfaces.
Flowchart for diagnosing power availability issues starting from +12V.
Troubleshooting steps when LED is green but no OSD or backlight is active.
Verifies +12V and +5V availability for the inverter and panel.
Checks for VIDEO/DVI signals, H-sync, and IC outputs.
Troubleshooting steps for high-light issues in white or black screens.
Addresses unclear images after adjusting H-SIZE and FINE TUNE.
Steps to reduce image noise by adjusting contrast and checking cables.
Troubleshooting steps for backlight issues, checking voltages and PCBs.
Verifies +12V, +5Vx, and VLCD availability for power circuits.
Checks specific voltage points (C79, C65, C172) for regulation issues.
Illustrates the main functional blocks and signal flow within the monitor.
Detailed schematic diagram of the AM121-2 and its peripheral circuits.
Details the power system circuit for converting +12V to +5V and VLCD.
Explains the over-voltage protection mechanism for the power system.
Describes the TMDS signal processing using IC11 and related components.
Schematic showing power and control related circuits on the main board.
