Philips 274E5QDAB/00(AD) User Manual

27Ǝ LCD Color Monitor Chassis: Meridian 5
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Service
Service
Service
Description Page
Table of Contents.........................................………….1
Revision List………….................................................2
Important Safety Notice…………................................3
1. Monitor Specifications….........................................5
2. LCD Monitor Description….....................................8
3. Operation Instructions….......................................9
3.1 General Instructions………………………….…...9
3.2 Control Buttons……………..……………………9
3.3 OSD Menu………………….................................10
4. Input/output Specification...............................……11
4.1 Input Signal Connector.................................……11
5. Schematic Diagram.............................................. 15
5.1 Scaler Board…………………….…………………15
5.2 Key Board.................................................…...22
Description Page
6. PCB Layout………………………………………...23
6.1 Scaler Board……………………………………..23
6.2 Key Board…….….…………………………………23
7. Wiring Diagram………………………………….…..24
8. Scaler Board Overview…….……………………....25
9. Mechanical Instructions………………………....26
10. Repair Flow Chart….……………………………31
11. ISP Instructions...…............................................35
12. DDC Instructions….............................................44
13. White Balance, Luminance Adjustment…...........56
14. Monitor Exploded View…....................................59
15. Recommended & Spare Parts List......….............60
16. Different Parts List…………………..…….……….62
17. General Product Specification…………...……….63
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.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
Copyright 2012 Philips Consumer Lifestyle Subject to modification ƻ
K
Jun.27, 2012
274E5QDAB/00(AD)

Philips 274E5QDAB/00(AD) Specifications

General

Brand	Philips
Model	274E5QDAB/00(AD)
Category	Monitor
Language	English

Summary

Important Safety Notice

Warnings, Operation, and Maintenance

General safety warnings, operating guidelines, and maintenance advice for the monitor.

Service Precautions

Guidelines for qualified service personnel regarding monitor servicing and safety.

Monitor Specifications

Picture/Display and Connectivity

Details on monitor panel type, resolution, brightness, connectivity, and input signals.

Operating Instructions

Front View and OSD Basics

OSD Menu Navigation and Adjustments

Input/Output Specification

Signal Connector Pin Assignments

Detailed pinouts for Analog, HDMI, and Digital input signal connectors.

Philips' Flat Panel Monitors Pixel Defects

Pixel Defect Types

Pixel Defect Tolerances

Schematic Diagrams

Scaler Board and Input Schematics

Detailed schematic diagram of the monitor's scaler board and input signals.

Power, Audio, and Other Schematics

Scaler Board Overview

Scaler Board Components

Mechanical Instructions

Monitor Disassembly Procedures

Step-by-step instructions and visuals for disassembling the monitor, including removing the base and covers.

Repair Flow Chart

Troubleshooting Common Issues

Flowcharts for diagnosing and resolving issues like no power, no video, dim display, and color problems.

ISP Instruction (Firmware Update)

Firmware Update Setup and Procedure

Instructions for connecting hardware, installing drivers, and updating monitor firmware.

Factory Mode and Troubleshooting ISP

Steps to enter factory mode, reset settings, and troubleshoot firmware update errors.

DDC Instruction (EDID/SN Writing)

EDID and SN Writing Process

Guide for writing EDID data and serial numbers using DDC and LPT tools.

DDC Troubleshooting

Methods for resolving issues related to writing EDID data and serial numbers.

White Balance, Luminance Adjustment

Calibration Equipment and Setup

Calibration Process and Factory Mode

Monitor Exploded View

Component Identification Diagram

Recommended & Spare Parts List

Monitor Spare Parts Identification

PRODUCT PROFILE

Electrical Characteristics Summary

ELECTRICAL CHARACTERISTICS

Scanning Frequencies and Ambient Conditions

Interface Signal Details

Timing Requirements and OSD Functions