Philips 237E4QSD/93 - User Manual

23″ LCD Color Monitor Chassis: Meridian 4
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. Block Diagram………………………….................15
5.1 Scaler Board....................................………….....15
6. Schematic Diagram.............................................. 16
6.1 Scaler Board…………………….…………………16
Description Page
6.2 Key Board.................................................…...22
7. PCB Layout………………………………………...23
7.1 Scaler Board……………………………………..23
7.2 Key Board…….….…………………………………23
8. Wiring Diagram………………………………….…..24
9. Scaler Board Overview…….……………………....25
10. Mechanical Instructions………………………....26
11. Repair Flow Chart…….……………………………28
12. ISP Instructions...…............................................32
13. DDC Instructions….............................................39
14. White Balance, Luminance Adjustment…...........49
15. Monitor Exploded View…....................................52
16. Recommended & Spare Parts List......….............53
17. Different Parts List…………………..…….……….55
18. General Product Specification…………...……….56
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 ○
K
Jun.27, 2012
237E4QSD/93
237E4QSD/01
237E4QSD/00
237E4QSD/96

Summary

Important Safety Notice

Monitor Specifications

Operating Instructions

Control Keys and OSD Menu Navigation

Input;Output Specifications

Input Signal Connector Details

Pixel Defect Policy and Tolerances

Explains types of pixel defects and acceptable defect levels under warranty.

Block Diagram

Schematics and PCB Layouts

Scaler Board Schematic and PCB Layout

Wiring Diagram

Repair Flow Charts

No Power and No Video Troubleshooting

Guides on diagnosing and resolving no power and no video issues.

Image and Color Display Issues

Steps for fixing dim images, flickering, and color display problems.

ISP Instructions

Connection, Driver, and Tool Installation

Guides on connecting ISP board, installing drivers and software tools.

Firmware Upgrade and Troubleshooting

Covers loading firmware, checking version, factory reset, and error resolution.

DDC Instructions

DDC Reprogramming and Connections

Covers DDC data reprogramming, ISP board connection, and LPT drive installation.

EDID;SN Writing and Verification

Details preparing EDID files, writing SN, and verifying data.

Troubleshooting DDC;EDID Write Errors

Offers solutions for common errors during DDC/EDID operations.

White Balance & Luminance Adjustment

Apparatuses, Installation, and Adjustment

Lists required tools and guides the adjustment process.

Color Temperature Confirmation and Factory Mode

Explains confirming color temperature and accessing the factory mode.

Electrical Characteristics

Interface Signals and Timing

Power Management

Audio Specifications

Front Detection Requirements

Visual Characteristics

Brightness and Color Temperature Adjustment

Details brightness uniformity and color temperature adjustment procedures.

Mechanical Characteristics

Transportation

Environmental Characteristics

Philips 237E4QSD/93 Specifications

General

Brand	Philips
Model	237E4QSD/93
Category	Monitor
Language	English