Compaq W19Q Service Manual

19" LCD Color Monitor
Service
Service
Service
Description

Table Of Contents......................................................1

Revision List........................................................2
1. Monitor Specification...............................................3
2. LCD Monitor Description........................................4
3. Operation Instruction............................................5
3.1. General Instructions.........................................5
3.2. Control Button......................................................5
3.3 Adjusting the Picture..........................................6
4. Input/Output Specification.......................................8
4.1. Input Signal Connector.........................................8
4.2. Factory Preset Display Modes...........................9
4.3. Power Supply Requirements...............................9
5. Panel Specification.........................................10
5.1. General Feature...............................................10
5.2. Optical Characteristics....................................11
6. Block Diagram.....................................................12
6.1. Monitor Exploded View...................................12
6.2 Software Flow Chart...............................13
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
Page Description
6.3. Electrical Block Diagram...........................15
7. Schematic.....................................................17
7.1 Main Board....................................................17
7.2 Power Board...............................................22
7.3 Key Board..............................................24
7.4 Audio Board..............................................25
8.PCB Layout.....................................................26
8.1. Main Board.................................................26
8.2. Power Board..........................................29
8.3. Key Board...............................................32
8.4. Audio Board...............................................32
9. Maintainability................................................33
9.1. Equipments and Tools Requirement..............33
9.2. Trouble Shooting.......................................34
10. White-Balance, Luminance adjustment...40
11. BOM List........................................................42
12. Different Parts List...............................................58
SAFETY NOTICE
1
COMPAQ W19Q
Horizontal Frequency
30- 83 kHz
Page