Philips 190V7 User Manual

19” LCD Color Monitor 190V7
1
Service
Service
Service
Horizontal Frequency
30- 83KHz
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.
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 Adjusting the Picture…….......................................…..8
3.4 Connecting to your PC …….............…….…...........….11
4. Input/Output Specification...........................………….12
4.1 Input Signal Connector................................………..12
4.2 Factory Preset Display Mode......................…….........13
4.3 Pixel Defect Policy…………………………………………14
5. Block Diagram……..……………………….…................17
5.1 Monitor Exploded View………….…….………...............17
5.2 Software Flow Chart.……………....................................18
5.3 Electrical Block Diagram.….....…............………….........20
6. Schematic Diagram…….................…..........……….........22
6.1 Main Board…………..………………………………………22
6.2 Power Board……..………………………..…………………27
7. PCB Layout.........…...……...................……………………..29
7.1 Main Board.....…….......…...............……..…………......29
7.2 Power Board......……….....................………….............32
7.3 Key Board…..….…………………………………………34
8. Wiring Diagram…………………………………………….35
9. Mechanical Instructions.......……….……………….............36
10. Trouble shooting…..…………………………...………..41
11. Repair Flow Chart……………..…………………………43
12. ISP Instructions.........................………………..............48
13. DDC Instructions......………..…......……….................54
14. White Balance, Luminance Adjustment………...…….......63
15. Spare Parts List..………………….….………….................64
16. Different Parts List………………………………………75
17. General Product Specification…………………………….76
GB
3138 106 10522

Philips 190V7 Specifications

General

Brand	Philips
Model	190V7
Category	Monitor
Language	English

Summary

Important Safety Notice

Safety Precautions

General warnings and precautions for servicing electronic equipment with high voltages.

Monitor Specifications

Input/Output Specification

Input Signal Connectors

Provides detailed pin assignments for VGA and DVI input signal connectors.

Block Diagrams

Schematics and PCB Layouts

Main Board Schematics

Detailed schematic diagram of the main board, showing component interconnections.

Power Board Schematics

Schematic diagram of the power board, illustrating the power supply circuitry.

Trouble Shooting and Repair

Trouble Shooting Guide

Lists common monitor problems and steps to check and resolve them.

Repair Flow Charts

Provides flow charts for diagnosing and repairing specific issues like no power or no picture.

Firmware and Configuration

ISP Instruction

DDC Instruction

Reliability and Quality Assurance

Pixel Defect Policy