AOC 177Pk Manuals

17” LCD Color Monitor AOC 177Pk 1 Service Service Service Horizontal Frequency 30-83 kHz TABLE OF CONTENTS Description Page Description Page N 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. Table Of Contents.......……..............................…........1 Revision List.…........................................……......2 Important Safety Notice.…….........................……......3 1.Monitor Specification..............................………........4 2.LCD Monitor Description…………………………….......5 3.Operation Instruction……………...............……...........6 3.1.General Instructions………..........................…...........6 3.2.Control Button…………….…..............……...............6 3.3.Adjusting the Picture...........................…............7 4.Input/Output Specification............……………............9 4.1.Input Signal Connector............………….................9 4.2 Power Supply Requirement…………………………10 4.3.Factory Preset Display Modes.........................10 4.4.Panel Specification.....……...……………..................11 5.Block Diagram………...................…………................13 5.1.Software Flow Chart………………………………......13 5.2.Electrical Block Diagram…………………..….......15 6.Schematic…………………...................................…17 6.1.Main Board.................................................17 6.2. Audio Board.....………..…....................................22 6.3. Power Board....…..….….......................................23 7.PCB Layout..……………….......................................25 7.1.Main Board……………........................................25 7.2.Audio Board…............................................28 7.3.Power Board…............................................29 7.4.Key Board…………...…….....................................32 8.Maintainability…………….........................................33 8.1.Equipments and Tools Requirement...............33 8.2.Trouble Shooting…………..............................34 9.White-Balance Luminance adjustment………….....40 10.Monitor Exploded View……………………….........42 11.BOM List….....................................................45 12.Different Parts List……………………………..……72 CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING