OPTIMA Optima+L903A free download

File name Optima+L903A.pdf

19" Wide LCD Color Monitor Optima L903A Service Service Service Horizontal Frequency 30 kHz-80 kHz TABLE OF CONTENTS Description Page Description Page Table Of Contents...1 6. Schematic...19 Revision List...2 6.1 Main Board...19 Important Safety Notice...3 6.2 Power Board...24 1. Monitor Specification...4 6.3 Key Board ...26 2. LCD Monitor Description...5 6.4 Audio Board...27 3. Operation Instruction...6 7. PCB Layout...28 3.1 General Instructions...6 7.1 Main Board...28 3.2 Control Button...6 7.2 Power Board...31 3.3 Adjusting the Picture...8 7.3 Audio Board...33 4. Input/Output Specification...10 7.4 Keypad Board...33 4.1 Input Signal Connector...10 8. Maintainability...34 4.2 Factory Preset Display Modes...11 8.1. Equipments and Tools Requirement...34 4.3 Panel Specification...12 8.2. Trouble Shooting...35 5.Block Diagram...15 9. White-Balance, Luminance adjustment...41 5.1 Software Flow Chart...15 10.Monitor Exploded View...42 5.2 Electrical Block Diagram...17 11.BOM List...43 SAFETY NOTICE ANY P