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AOC E943FWS - User Manual

AOC E943FWS
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18.5" LCD Color Monitor AOC e943Fws
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
Service
Service
Service
Horizontal Frequency
30-83 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 Button…………….…..............……...............6
3.3.OSD Menu…………….…...........................…...........7
4.Input/Output Specification............……………............18
4.1.Input Signal Connector............………….................18
4.2.Factory Preset Display Modes…….........................18
4.3.Panel Specification.....………...…………................19
5.Block Diagram…….........………….................22
6.Schematic……………........................................23
6.1.Main Board………...........................................23
6.2.Key Board...…….............................................28
7.PCB Layout..………….......................................29
7.1.Main Board………...........................................29
7.2.Key Board…………….....................................31
8.Maintainability……….........................................32
8.1.Equipments and Tools Requirement...............32
8.2.Trouble Shooting………….............................33
9.White-Balance, Luminance Adjustment.............37
10.Monitor Exploded View………..…….…............39
11.BOM List…………………………………...........41

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Questions and Answers

  • M
    michaeljohnsonAug 1, 2025
    Why is my AOC Monitor not turning on?
    • A
      Amy DeckerAug 1, 2025
      If your AOC Monitor isn't powering on, try these steps: First, ensure the power cable is correctly connected and functioning. If not, re-plug the power cable. Next, check that the power 'On/Off' switch is turned on. Check the LED. If the problem persists, consider replacing the main board or keyboard, checking all connections during the replacement.
  • G
    Gail Parrish MDAug 8, 2025
    What to do if my AOC E943FWS Monitor has no video but the power LED is white?
    • R
      rmontoyaAug 8, 2025
      If your AOC monitor's power LED is white but there's no video, check if the power button functions correctly. If not, consider replacing the main board, the LVDS/FFC cable, the panel, or the keyboard.
  • S
    Sandra FowlerAug 16, 2025
    How to fix the color on my AOC E943FWS Monitor if it is not optimal?
    • M
      Monica KaufmanAug 16, 2025
      If the color on your AOC Monitor is not optimal, you can adjust the color settings in the user mode until you are satisfied. If the issue persists, try replacing the signal cable or testing with a different PC. As a last resort, consider replacing the main board.
  • J
    John AndersonAug 25, 2025
    How to fix a DIM image with overlap, focus, or flicker on my AOC Monitor?
    • N
      Natasha KaufmanAug 25, 2025
      To fix a dim image with overlap, focus issues, or flickering on your AOC Monitor, first, reset the monitor to its factory settings. If that doesn't work, set the monitor to the optimal frequency or select the recommended frequency. Then, readjust the phase and pixel clock in the user mode. If the problem continues, consider replacing the main board or the panel.

Summary

Safety Information

Safety Notices

General safety precautions and critical warnings for monitor handling and servicing.

Revision and Specifications

Revision List

Document revision history and release dates.

Monitor Specifications

Detailed technical specifications including panel, resolution, physical, and environmental data.

Product Description and Operation

LCD Monitor Description

Overview of the LCD monitor's main components and functional block diagram.

Operating Instructions

Guide on basic operation, control buttons, and OSD menu navigation.

Input;Output and Panel Details

Input;Output Specification

Specifications for input signals, connectors, and preset display modes.

Panel Specification

Detailed physical, electrical, and optical characteristics of the LCD panel.

System Diagrams and Layouts

Block Diagram

Block diagram illustrating the main board's functional components and interconnections.

Schematic

Detailed circuit schematics for the monitor's main board.

PCB Layout

Physical layout diagrams for the main board and key board components.

Maintenance and Troubleshooting

Equipments and Tools Requirement

List of necessary tools and equipment for monitor servicing and repair.

Trouble Shooting

Diagnostic flowcharts and solutions for common monitor operational issues and faults.

Calibration and Parts Information

White-Balance, Luminance Adjustment

Procedure for adjusting color temperature, white balance, and luminance for optimal display.

Monitor Exploded View

Visual representation of the monitor's components for disassembly and identification.

BOM List

Comprehensive Bill of Materials listing all part numbers and descriptions used in the monitor.

AOC E943FWS Specifications

General IconGeneral
Screen Size18.5 inches
Resolution1366 x 768
Panel TypeTN
Aspect Ratio16:9
Brightness250 cd/m²
Contrast Ratio1000:1
Response Time5 ms
ConnectivityVGA
Contrast Ratio (Dynamic)20, 000, 000:1
Viewing Angle90°/65°
InputsVGA

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