Dell E157FPc User Manual

15" LCD Color Monitor Dell E157FPc
1
Service
Service
Service
Horizontal Frequency
30 kHz to 63 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.
5.2.Software Flow Chart………..………………....….......20
5.3.Electrical Block Diagram………………..…..….......22
6. Mechanical Instruction..……….……….……………….24
7.Schematic Diagram………..................................….....29
7.1Main Board......………......................................29
7.2 Power Board……..…….……....................................34
8.PCB Layout..……...………….......................................36
8.1.Main Board……………..…........................................36
8.2.Power Board……………........................................38
8.3.Key Board………………….....................................40
9.Maintainability………….......................................41
9.1.Equipments and Tools Requirement..…….…...........41
9.2.Trouble Shooting………………….............................42
10.White-Balance, Luminance adjustment...………......48
11.ISP Instruction…………….…….................................50
12.Check List……………………………………………...56
13.BOM List………….....................................................59
14.Different Parts List……………………...……………...82
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
Table Of Contents.......…….................……...........…........1
Revision List.….........................………................……......2
Important Safety Notice.….……….…..................……......3
1.Monitor Specifications.....…........................………........4
2.LCD Monitor Description…………………………….......5
3.Operation Instructions……………...............……...........6
3.1.General Instructions…………………………………….6
3.2.Control Buttons……………...............……...............6
3.3.On Screen Menu/Display (OSD)….......….……..........7
3.4 Adjusting the Picture...........…………….........………..8
4.Input/Output Specification.............……………........…13
4.1.Input Signal Connector............………….................13
4.2.Factory Preset Display Modes...…..…......................13
4.3.Power Supply Requirements..........……...................14
4.4.Panel Specification…….....……………..................15
4.5.Definition of Pixel Defects…………...............……….16
5.Block Diagram…….…...................…………................19
5.1.Monitor Exploded View…………….…………............19

Dell E157FPc Specifications

General

Brand	Dell
Model	E157FPc
Category	Monitor
Language	English

Summary

SAFETY NOTICE

General Safety Precautions

General safety warnings, including laser precautions and handling LCD modules.

1. Monitor Specifications

2. LCD Monitor Description

3. Operation Instructions

3.1 General Instructions

Basic steps for turning on the monitor and connecting cables.

3.2 Control Buttons

Explains the function and usage of the monitor's control buttons.

3.3 On Screen Menu/Display (OSD)

Details the On-Screen Display (OSD) functions and direct-access features.

3.4 Adjusting the Picture

Guides on adjusting picture settings like brightness, contrast, and color.

4. Input/Output Specification

4.1 Input Signal Connector

Pin assignments for the VGA input connector and layout.

4.2 Factory Preset Display Modes

Lists supported VESA and IBM display modes with specifications.

4.3 Power Supply Requirements

Specifies voltage, frequency, current, and surge requirements for power.

4.4 Panel Specification

Provides display and optical characteristics of the LCD panel.

4.5 Definition of Pixel Defects

Defines pixel defect types and mechanical inspection criteria.

5. Block Diagram

5.1 Monitor Exploded View

Exploded view of monitor components with part identification.

5.2 Software Flow Chart

Illustrates the monitor's software operation logic.

5.3 Electrical Block Diagram

Block diagrams for the main board and power/inverter board.

6. Mechanical Instruction

Disassembly and Assembly Procedures

Step-by-step guide for taking apart and reassembling the monitor.

7. Schematic Diagram

7.1 Main Board Schematic

Detailed circuit schematic for the monitor's main board.

7.2 Power Board Schematic

Detailed circuit schematic for the monitor's power board.

8. PCB Layout

8.1 Main Board PCB Layout

Physical layout of components on the main printed circuit board.

8.2 Power Board PCB Layout

Physical layout of components on the power board printed circuit board.

8.3 Key Board PCB Layout

Physical layout of components on the key board printed circuit board.

9. Maintainability

9.1 Equipments and Tools Requirement

Lists necessary equipment and tools for monitor maintenance.

9.2 Trouble shooting

Diagnostic procedures for common monitor problems.

10. White balance, Luminance adjustment

11. ISP Instruction

11.1 Software Requirements and Connection

Requirements and connection setup for In-System Programming (ISP).

11.2 Install the software (Gprobe 5.0) for ISP Writer

Steps to install the Gprobe 5.0 software for ISP.

11.3 Run program

Guide to running the ISP program and configuring connections.

12. Check List

White Balance and DDC Re-writing Checks

Procedures for checking white balance and re-writing DDC after repairs.

Steps for writing DDC

Detailed instructions for performing DDC data writing.

13. BOM List

14. Different Parts List

TPV Model Part Number Comparison

Compares part numbers across different TPV models for variations.