Dixon N20W - User Manual

20" LCD Color Monitor Dixon N20W
1
Service
Service
Service
Horizontal Frequency
31 kHz-82 kHz
TABLE OF CONTENTS
Description Page Description Page
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
Table Of Contents.......……..............................…........1
Revision List.…..................................................……......2
Important Safety Notice.……..............................……......3
1.Monitor Specification..................................………........4
2.LCD Monitor Description………….………………….......5
3.Operation Instruction…………….................……...........6
3.1.General Instructions...................................…...........6
3.2.Control Buttons…………….…..............……...............6
3.3.OSD Settings………….…...........................…............7
4.Input/Output Specification............……………...........9
4.1.Input Signal Connector............…………................9
4.2.Factory Preset Display Modes..........................9
4.3.Panel Specification.....………………..................10
5.Block Diagram…..…...................…………..................13
5.1.Software Flow Chart……………..…………....….......13
5.2.Electrical Block Dia
g
ram………….…………..….......15
6.Schematic……………......................................17
6.1 Main Board……..............................................17
6.2 Power Board…....……....................................21
7.PCB Layout..………….......................................23
7.1.Main Board………........................................23
7.2.Power Board....……....................................26
7.3. Audio Board………….....................................29
7.4 Key Board……………..................................29
8.Maintainability……….......................................30
8.1.Equipments and Tools Requirement...............30
8.2.Trouble Shooting…………..............................31
9.White-Balance, Luminance adjustment.............37
10.Monitor Exploded View………..…….…............39
11.BOM List…………………………………............41
12.Different Parts List………………………………53
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

Summary

Important Safety Notice

Monitor Specifications

Operation Instructions

OSD Settings

Details the On-Screen Display menu options and their functions.

Input;Output Specification

Panel Specification

Display Characteristics

Optical Characteristics

Electrical Characteristics

Schematic

Power Board

Displays the circuit schematic for the monitor's power supply board.

Trouble Shooting

Main Board

Provides troubleshooting steps for issues related to the monitor's main board.

White screen

Offers troubleshooting guidance for scenarios where the screen displays only white.

Power;Inverter Board

Details troubleshooting procedures for power and inverter board related problems.

W; LED, No Backlight

Guides on troubleshooting when the backlight or LED indicators are not functioning.

Key Board

Provides troubleshooting steps for issues concerning the key pad board functionality.

White-Balance, Luminance Adjustment

Chroma-7120 Setup and Color Temp.

Factory Mode Entry and Bias Adjustment

Instructions for entering factory mode and adjusting bias (contrast/brightness).

Gain Adjustment

Procedure for adjusting color gain for warm, cool, and sRGB temperature modes.

BOM List

Dixon N20W Specifications

General

Brand	Dixon
Model	N20W
Category	Monitor
Language	English