Philips 298P4QJEB/00 User Manual

29ƎLCD Color Monitor Chassis: Meridian 3
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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….....................................7
3. Operation Instructions….........................................8
3.1General Instructions…………………………….…...8
3.2 Control Buttons…………..…………………….…8
3.3 OSD Menu………………….................................9
4. Input/output Specification............................……10
4.1 Input Signal Connector.................................……10
4.2 Resolution & Preset Modes.................................11
4.3 Pixel Defect Policy…………………………………12
4.4 Failure Mode of Panel………………………….....14
5. Block Diagram………………………….................15
5.1 Scaler Board....................................………….....15
5.2 Power Board…….................................…...........16
6. Schematic Diagram.............................................. 17
6.1 Scaler Board…………………….…………………17
Description
Page
6.2 Power Board.................................................…...32
6.3 Key Board…….……………………………….……34
6.4 Head Phone Jack Board…….………………35
7. PCB Layout……………………………..…………...36
7.1 Scaler Board…………………………………...…..36
7.2 Power Board……………...………………..………37
7.3 Key Board…….……….……………………………38
7.4 Head Phone Jack Board…….………………38
8. Wiring Diagram………………………………….…..39
9. Scaler Board Overview………….………………....40
10. Mechanical Instructions…………………..……....41
11. Repair Flow Chart…….……………………………45
12. ISP Instructions...…............................................49
13. DDC Instructions….............................................55
14. White Balance, Luminance Adjustment…...........89
15. Monitor Exploded View…....................................91
16. Recommended & Spare Parts List...…................93
17. General Product Specification………….…..…….97
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 2013 Philips Consumer Lifestyle Subject to modification ƻ
K
Oct. 18.2013
298P4QJEB/00
298P4QJEB/69
298P4QJEB/93
298P4QJEB/94
298P4QJEB/75
298P4QJEB/27
298P4QJEB/57
298X4QJAB/00
298X4QJAB/93
298X4QJAB/27
298X4QJAB/96
298X4QJAB/75
298X4QJAB/69
298X4QJAB/11
298P4QJEB/96
298P4QAJEB/93
298P4QJEB/01

Philips 298P4QJEB/00 Specifications

General

Resolution	2560 x 1080
Aspect Ratio	21:9
Refresh Rate	60 Hz
Brightness	300 cd/m²
Contrast Ratio	1000:1
SmartContrast	20, 000, 000:1
Display Colors	16.7 million
Audio In/Out	Yes
VESA Mount	100 x 100 mm
Picture Enhancement	SmartImage
MHL	No
sRGB	Yes
USB Hub	Yes
Screen Size	29 inches
Response Time	5 ms
Viewing Angle	178° (H) / 178° (V)
Scanning Frequency	30 - 83 kHz (H) / 56 - 75 Hz (V)
Signal Input	HDMI, DisplayPort, VGA
USB	USB 3.0
Built-in Speakers	3W x 2
Backlight Type	W-LED

Summary

Important Safety Notice

Monitor Specifications

LCD Monitor Description

Operation Instructions

General Instructions

Basic steps for turning the monitor on/off and connecting power.

Control Buttons

Explanation of the monitor's control buttons and their functions.

OSD Menu

Overview of the On-Screen Display menu structure and navigation.

Input/Output Specification

Input Signal Connector

Pin assignments for DVI, HDMI, and DP input connectors.

Resolution & Preset Modes

Supported resolutions and preset modes for optimal display.

Pixel Defect Policy

Philips' policy on acceptable pixel and sub-pixel defect levels.

Failure Mode Of Panel

Common panel failure modes and their visual representations.

Block Diagram

Scaler Board Block Diagram

Detailed block diagram of the scaler board and its components.

Power Board Block Diagram

Block diagram illustrating the power board's internal circuitry.

Schematic Diagram

Scaler Board Schematic

Electrical schematic diagram for the scaler board.

Power Board Schematic

Electrical schematic diagram for the power board.

Key Board Schematic

Electrical schematic diagram for the key board.

Head Phone Jack Board Schematic

Electrical schematic diagram for the headphone jack board.

PCB Layout

Scaler Board PCB Layout

Physical layout of components on the scaler board.

Power Board PCB Layout

Physical layout of components on the power board.

Key Board PCB Layout

Physical layout of components on the key board.

Head Phone Jack Board PCB Layout

Physical layout of components on the headphone jack board.

Wiring Diagram

Scaler Board Overview

Mechanical Instructions

Repair Flow Chart

No Power Troubleshooting

Diagnostic steps for a monitor that fails to power on.

Video Issues Troubleshooting

Troubleshooting steps for no video display with power LED on.

DIM Troubleshooting

Diagnostic steps for image dimming, focus, or flicker issues.

Color Issues Troubleshooting

Troubleshooting steps for suboptimal color display or color shift.

ISP Instruction

DDC Instruction

DDC Data Re-programming

Process for reprogramming DDC data, especially after EEPROM replacement.

White Balance, Luminance Adjustment

Adjustment Process

Steps for performing white balance and luminance adjustments on the monitor.

Color Temperature Confirmation

Procedure to measure and confirm color temperature using calibration tools.

Entering Factory Mode

Steps to access the monitor's factory mode for advanced settings.

Monitor Exploded View

Recommended & Spare Parts List

General Product Specification

EDID Header Data

Information contained within the monitor's EDID header for identification.

LCD Panel Specification

Details on the LCD panel's physical and performance characteristics.