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Samsung 740NW User Manual

Samsung 740NW
71 pages
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SERVICE
Manual
TFT-LCD Monitor
Fashion Feature
LCD-Monitor
Chassis Model
LS17HAN 740NW
-Integrated UI applied
-Built-in Scaler Sync Separator
-Connectivity : Analog (15p Dsub),
Analog Solution
-Power Consumption : 20W
-DPMS : under 1 W (230Vac)
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Samsung 740NW Specifications

General IconGeneral
Response time8 ms
Display diagonal17 \
Display resolution1280 x 720 pixels
Viewing angle, vertical170 °
Display number of colors16.78 million colors
Viewing angle, horizontal140 °
Display brightness (typical)250 cd/m²
DVI-I ports quantity0
Product colorBlack
Market positioning-
Plug and PlayYes
Weight and Dimensions IconWeight and Dimensions
Depth (without stand)200 mm
Width (without stand)404.5 mm
Height (without stand)319.2 mm
Weight (without stand)3100 g

Summary

Copyright Information

Trademarks

1. Precautions

1-1 Safety Precautions

Essential safety guidelines to follow during operation, servicing, and installation.

1-2 Servicing Precautions

General precautions to be observed during maintenance and repair procedures.

1-3 ESD Precautions

Techniques to reduce component damage caused by static electricity during servicing.

1-4 Installation Precautions

Safety precautions to follow during product installation and setup.

2. Product Specifications

2-1 Fashion Feature

Highlights key design and feature aspects of the LCD monitor.

2-2 Specifications

Detailed technical specifications of the LCD monitor.

2-3 Spec Comparison

Compares specifications between different monitor models.

2-4 Option Specification

Lists optional items and their specifications for the monitor.

3. Alignments and Adjustments

3-1 Required Equipment

Lists necessary equipment for monitor adjustments and alignments.

3-2 Automatic Color Adjustment

Procedure for automatically adjusting the monitor's color settings.

3-3 DDC EDID Data Input

Instructions for inputting DDC EDID data, often after AD board replacement.

3-4 OSD Adjustment When Replacing Panel

Steps to adjust the OSD after replacing the display panel.

3-5 OSD Adjustment When Replacing Lamp Only

Steps to adjust the OSD after replacing the backlight lamp.

8. Wiring Diagram

9. Schematic Diagrams

9-1 Schematic Diagrams

Provides overall schematic diagrams for the monitor's circuitry.

9-2 IP BOARD (POWER)

Detailed schematic diagrams for the power supply board.

9-3 IP BOARD (INVERTER)

Detailed schematic diagrams for the inverter board.

10. Operating Instructions and Installation

10-1 Front

Instructions for using the buttons and features on the monitor's front panel.

10-2 Rear

Guide to connecting cables and ports on the rear of the monitor.

10-3 Connecting the monitor

Steps for connecting the monitor to a computer system.

10-4 Monitor Assembly

Instructions for attaching or mounting the monitor stand or base.

11. Disassembly and Reassembly

11-1 Disassembly

Step-by-step guide on how to take apart the monitor.

11-2 Reassembly

Step-by-step guide on how to reassemble the monitor.

12. PCB Diagram

12-1 Main PCB

Diagram showing the layout and components of the main printed circuit board.

13. Circuit Descriptions

13-1 Overall Block Structure

Overview of the monitor's main functional blocks and their interconnections.

14. Reference Infomation

14-1 Technical Terms

Definitions of technical terms used throughout the service manual.

14-2 Pin Assignments

Details the pinout for signal connectors, particularly the D-Sub cable.

14-3 Timing Chart

Provides standard timing parameters for computer-generated video signals.

14-4 Preset Timing Modes

Lists predefined display timing modes supported by the monitor.

14-5 Panel Description

Information on various LCD panels used in the monitors, including vendor and model details.

1. Precautions

1-1 Safety Precautions

Essential safety guidelines to follow during operation, servicing, and installation.

1. Precautions

1-2 Servicing Precautions

General precautions to be observed during maintenance and repair procedures.

1-3 Electrostatically Sensitive Devices (ESD) Precautions

Specific instructions for handling electrostatically sensitive devices to prevent damage.

1. Precautions

1-4 Installation Precautions

Safety measures to ensure proper and safe installation of the monitor.

2. Product Specifications

2-1 Fashion Feature

Highlights key design and feature aspects of the LCD monitor.

2-2 Specifications

Detailed technical specifications of the LCD monitor.

2. Product Specifications

2-3 Spec Comparison

Compares specifications between different monitor models.

2. Product Specifications

2-4 Option Specification

Lists optional items and their specifications for the monitor.

3. Alignments and Adjustments

3-1 Required Equipment

Lists necessary equipment for monitor adjustments and alignments.

3-2 Automatic Color Adjustment

Procedure for automatically adjusting the monitor's color settings.

3-3 DDC EDID Data Input

Instructions for inputting DDC EDID data, often after AD board replacement.

3-4 OSD Adjustment When Replacing Panel

Steps to adjust the OSD after replacing the display panel.

3-5 OSD Adjustment When Replacing Lamp Only

Steps to adjust the OSD after replacing the backlight lamp.

3. Alignments and Adjustments

3-6 Service Function Spec.

Details on accessing and controlling the monitor's service function OSD.

3. Alignments and Adjustments

3-6-3 How to Control Service Function OSD

Procedure to reset service function OSD after panel replacement.

3-6-4 How to Control Service Function OSD

Procedure to reset service function OSD after lamp replacement.

3. Alignments and Adjustments

3-7 How to execute DDC

Step-by-step guide for executing DDC operations, including EDID input.

3. Alignments and Adjustments

3-8 How to execute MCU Code

Instructions for programming and executing MCU code on the monitor.

3. Alignments and Adjustments

3-8-2 Change Batch File Path and DownLoad Code

Guide to modifying batch file paths and downloading code for firmware updates.

4. Troubleshooting

4-1 No Power

Diagnostic steps and checks for when the monitor does not power on.

4. Troubleshooting

4-2 No Video

Steps to diagnose and resolve issues where no video signal is displayed.

4. Troubleshooting

4-3 IP BOARD (POWER)

Specific troubleshooting procedures for the power supply board.

4. Troubleshooting

4-4 IP BOARD (INVERTER)

Specific troubleshooting procedures for the inverter board.

5 Exploded View and Parts List

5-1 Exploded View

Visual representation of the monitor's components and their assembly.

5 Exploded View & Parts List

5-2 Parts List

Comprehensive list of all parts used in the monitor, with codes and specifications.

6 Electrical Parts List

6-1 Parts List

Detailed list of electrical components and their identifiers.

7 Block Diagram

7-1 Power Tree

Diagram illustrating the power distribution and voltage levels within the monitor.

7 Block Diagrams

7-2 Main Board Part

Block diagram showing the main board's functional components and connections.

7 Block Diagrams

7-3 IP Board Part (SMPS Part)

Block diagram of the power supply (SMPS) section of the IP board.

7 Block Diagrams

7-4 IP Board Part (Inverter Part)

Block diagram of the inverter section of the IP board.

8 Wiring Diagram

Wiring Diagram Details

Shows the interconnection of components and boards via wiring.

9 Schematic Diagrams

9-1 Schematic Diagrams

Provides overall schematic diagrams for the monitor's circuitry.

9 Schematic Diagrams

9-2 IP BOARD (POWER)

Detailed schematic diagrams for the power supply board.

9 Schematic Diagrams

9-3 IP BOARD (INVERTER)

Detailed schematic diagrams for the inverter board.

10 Operating Instructions and Installation

10-1 Front

Instructions for using the buttons and features on the monitor's front panel.

10 Operating Instructions and Installation

10-2 Rear

Guide to connecting cables and ports on the rear of the monitor.

10 Operating Instructions and Installation

10-3 Connecting the monitor

Steps for connecting the monitor to a computer system.

10 Operating Instructions and Installation

10-4 Attaching a Base

Instructions for attaching or mounting the monitor stand or base.

11 Disassembly and Reassembly

11-1 Disassembly

Step-by-step guide on how to take apart the monitor.

11 Disassembly and Reassembly

11-2 Reassembly

Step-by-step guide on how to reassemble the monitor.

12 PCB Diagram

12-1 Main PCB

Diagram showing the layout and components of the main printed circuit board.

13 Circuit Descriptions

13-1 Overall Block Structure

Overview of the monitor's main functional blocks and their interconnections.

13 Circuit Descriptions

13-1-2 Main Board Parts Description

Description of the functional parts and blocks on the main board.

13 Circuit Descriptions

13-1-3 IP BOARD BLOCK(POWER) Parts

Description of the power supply (SMPS) components on the IP board.

13-1-4 IP BOARD BLOCK(INVERTER) Parts

Description of the inverter components on the IP board.

13 Circuit Descriptions

13-1-5 IP BOARD ( inverter ) PROTECTION Parts

Details on the protection circuitry for the inverter board.

14 Reference Information

14-1 Technical Terms

Definitions of technical terms used throughout the service manual.

14 Reference Information

14-2 Pin Assignments

Details the pinout for signal connectors, particularly the D-Sub cable.

14 Reference Information

14-3 Timing Chart

Provides standard timing parameters for computer-generated video signals.

14 Reference Information

14-4 Preset Timing Modes

Lists predefined display timing modes supported by the monitor.

14 Reference Information

14-5 Panel Description

Information on various LCD panels used in the monitors, including vendor and model details.

14 Reference Information

Panel Description

Continuation of LCD panel information, including manufacturer and model codes.

14 Reference Information

Panel Description

Further details on LCD panel specifications and development codes.

14 Reference Information

Panel Description

Additional information on LCD panel vendors and their product codes.

14 Reference Information

Panel Description

More panel descriptions from various manufacturers and their associated codes.

14 Reference Information

Panel Description

Final entries for LCD panel descriptions, including specific models and development codes.

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