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Dell E1709W User Manual

Dell E1709W
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Service Manual
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Service Manual
LCD Monitor E1709W

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Dell E1709W Specifications

General IconGeneral
BrandDell
ModelE1709W
CategoryMonitor
LanguageEnglish

Summary

DELL LCD Monitor E1709W Service Manual

Chapter 1: Precautions and Safety Notices

Safety Precautions

General safety guidelines and warnings for monitor operation and handling.

Product Safety Notice

Information regarding the use of certified replacement parts to maintain safety standards.

Service Notes

Guidelines for servicing, including soldering and wire management practices.

Chapter 2: Service Tools and Equipment Required

Chapter 3: Circuit Theory

Block Diagram

Overview of the monitor's system architecture and component interactions.

Inverter PWM Circuit

Detailed explanation of the inverter's Pulse Width Modulation control circuit.

Output Circuit and Protection Circuit

Description of the inverter's output stage and over-voltage/current protection.

Power PWM Circuit

Explanation of the Pulse Width Modulation circuit for power supply.

AC Input and EMI Filter

Details on the AC input stage and Electromagnetic Interference filtering.

High Voltage to Low Voltage Control Circuit

Circuitry for controlling high voltage to low voltage conversion in the power supply.

DC 12V and 5V Output Circuit and Feedback

Circuitry for DC 12V and 5V outputs and their feedback mechanisms.

I/F Board Circuit

Description of the Interface board circuitry, including RGB and DDC signals.

RGB Capture

Details on input signals for RGB capture and ESD protection.

Buttons Control

Functionality of front panel buttons and their connection to the main IC.

MATAR CHIP U105 (TSUM1PER-LF-2)

Pin assignments and functions for the TSUM1PER-LF-2 chip.

Regulator Circuit

Explanation of voltage regulator circuits providing power to various components.

3. Factory Preset Timing Table

Chapter 4: Power On/Off Sequency

Connector Pin Assignments

D-SUB Connector Pin Assignment

Pinout details for the D-SUB video connector.

AC Input Connector Pin Assignment

Pinout details for the AC power input connector.

Inner Connector Pin Assignment

Pinout details for internal connectors, including panel and keypad.

CN1, CN2, CN3, CN4 Backlight Connectors

Pin assignments for backlight connectors.

CN104 Keypad Connector

Pin assignments for keypad and compatible connectors.

8. Key Parts Pin Assignments

U105 (TSUM1PER-LF-2) Analog Interface

Pin details for the TSUM1PER-LF-2 chip's analog interface.

U105 (TSUM1PER-LF-2) Serial Flash Interface

Pin details for the TSUM1PER-LF-2 chip's serial flash interface.

U105 (TSUM1PER-LF-2) LVDS Interface

Pin details for the TSUM1PER-LF-2 chip's LVDS interface.

U105 (TSUM1PER-LF-2) GPIO Interface

Pin details for the TSUM1PER-LF-2 chip's General Purpose Input/Output interface.

Misc. Interface Pin Assignments

Pin details for various miscellaneous interface connections.

Power Pins

Pin assignments for power supply connections.

U108 Serial Flash Pin Assignments

Pin assignments for the U108 serial flash memory.

U850 PWM Power Controller Pin Assignments

Pin details for the LD7575 PWM power controller.

U1 CCFL Inverter Controller IC Pin Assignments

Pin details for the INL837 CCFL inverter controller IC.

Chapter 4: Disassembly & Assembly

Exploded Diagram

Visual representation of monitor components for disassembly and assembly.

E1709W Disassembly Block

Flowchart illustrating the disassembly sequence of the E1709W monitor.

E1709W Assembly Block

Flowchart illustrating the assembly sequence of the E1709W monitor.

Chapter 5: Test and Adjustment

Function Key Definitions

Description of front panel button functions and hot key operations.

OSD Control

Details on On-Screen Display menus, settings, and options.

Factory Mode Introduction

Procedure to enter the monitor's factory mode for advanced settings.

Burn-in Pattern

Information on the automatic burn-in pattern generation and exit methods.

Auto Color Balance

Procedure for automatically calibrating monitor color parameters.

Upgrade Firmware

Instructions for upgrading monitor firmware via serial flash.

Test Procedures and Equipment

OSD Function and Key Tests

Testing OSD functions, individual and compound keys, and contrast.

Color Temperature and Mode Switching Tests

Procedures for testing color temperature, modes, and VGA detector functionality.

Panel Flicker and Power Saving Tests

Testing for panel flicker, brightness, contrast, and power consumption modes.

Chapter 6: Troubleshooting

Common Acknowledge

General troubleshooting advice, EDID/firmware considerations, and pattern checks.

Power Issues: LED Off/No Display

Troubleshooting steps for power supply issues resulting in no display or LED off.

Power Issues: LED Amber

Troubleshooting steps for power issues causing the LED to be amber.

Backlight Cannot Be Turned On

Troubleshooting steps when the backlight fails to activate.

No Picture with Backlight On

Troubleshooting steps when the picture is missing despite backlight and functions being OK.

Chapter 7: Recommended Part List

Attachment 1: Bill of Material

Interface Board BOM

List of components and part numbers for the interface board.

Attachment 2: Schematic Diagrams

Interface Board Schematic

Schematic diagram for the monitor's interface board.

TSUM1PER-LF-2 Chip Schematics

Detailed schematic sections related to the TSUM1PER-LF-2 integrated circuit.

Power Board Schematic: DC to AC

Schematic for the power board's DC to AC conversion stage.

Inverter Control Board Schematic

Schematic for the inverter control board and its connections.

Inverter Control Board Detailed Schematic

Detailed schematic of the inverter control IC and associated components.

Power Control Board Schematic

Schematic for the power control board using the LD7575 IC.

Power Board Components Schematic

Schematic showing power supply components like fuse, transformer, and regulators.

Power 12V Rectifier Board Schematic

Schematic of the 12V rectifier board and its components.

Attachment 3: PCB Layout

Power/Inverter Board Top Layer Layout

Top layer PCB layout for the power and inverter board.

Power/Inverter Board Bottom Layer Layout

Bottom layer PCB layout for the power and inverter board.

I/F Board Top Layer Layout

Top layer PCB layout for the Interface board.

I/F Board Bottom Layer Layout

Bottom layer PCB layout for the Interface board.

Keypad PCB Layout

PCB layout for the keypad module, showing top and bottom layers.

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