Hanns.G HQ171A Service Manual
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Contents
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17" LCD Color Monitor Hanns.G HQ171A1ServiceServiceServiceHorizontal Frequency30-80 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…………………………….......63. Operation Instruction…………...............……...........73.1.General Instructions...........................…...........73.2. Control Button…………….…..............……...............73.3 Adjusting the Picture...........................…............84. Input/Output Specification............……………............144.1.Input Signal Connector............………….................144.2.Factory Preset Display Modes.........................154.3.Panel Specification.....………………..................165. Block Diagram…….…..................…………................185.1.Software Flow Chart…………………....….......175.2.Electrical Block Diagram…………..…..…………......20CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING6.Schematic……………...............................….....226.1 Main Board…………..............................................226.2 Power Board....……………....................................276.3 Audio Board....……...............................................297.PCB Layout..………….....................................307.1.Main Board……….................................................307.2.Power Board…......................................................337.3 Audio Board....…….......................................357.4.Key Board………………......................................358. Maintainability………...............................................368.1. Equipments and Tools Requirement.....................368.2. Trouble Shooting…………....................................369. White-Balance, Luminance adjustment...................4210.Monitor Exploded View……..……………................4411. BOM List....…….....................................................45http://www.wjel.net |
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