Lenovo L197 Wide Service Manual

Also see for ThinkVision L197 Wide: User guide Specification Specifications Technical specifications Product specifications reference

19" LCD Color Monitor Lenovo L197 Wide1ServiceServiceServiceHorizontal Frequency30-81 KHzTABLE OF CONTENTSDescription Page Description PageSAFETY NOTICEANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THECHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICINGELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.Table Of Contents.......……..............................…........1Revision List.…........................................……......2Important Safety Notice.……..................……......31.Monitor Specification..............................………........42.LCD Monitor Description…………………………….......53.Operation Instruction…………...............……...........63.1.General Instructions...........................…...........63.2.Control Button…………….…..............……...............63.3.OSD Menu…………….…...........................…............74.Input/Output Specification............……………............94.1.Input Signal Connector............…………................94.2.Factory Preset Display Modes……..........................104.3.Panel Specification.....………...…………..................105.Block Diagram…..….....................…………................135.1.Software Flow Chart…………………....….......135.2.Electrical Block Diagram……………..….......156.Schematic……………......................................176.1.Main Board………..........................................176.2.Power Board...……....................................217.PCB Layout..………….......................................237.1.Main Board………........................................237.2.Power Board….......................................257.3.Key Board…………….....................................288.Maintainability……….......................................298.1.Equipments and Tools Requirement...............298.2.Trouble Shooting…………..............................309.White-Balance, Luminance adjustment.............3610.Monitor Exploded View………..…….…............3811.BOM List…………………………………............3912.Different Parts List………………………..........51CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICINGhttp://www.wjel.net