Samsung 540x 740x 940x ls15hax ls17hax ls19hax 165 free download

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LCD-Monitor Chassis Model LS15HAA 540N LS15HAB 540B LS17HAA 740N LS17HAB 740B LS17HAT 740T LS19HAB 940B LS19HAT 940T LS19HAA 940N SERVICE Manual LCD Monitor Fashion Feature -Lustrous/Colorful Appearance (Design) -Integrated UI applied -Built-in Scaler Sync Separator -Connectivity : Analog (15p Dsub), Dual (24p DVI-D) -Power Consumption : 17"(34W), 19"(38W) -DPMS : under 1 W (230Vac) Samsung Electronics Co.,Ltd. -This Service Manual is a property of Samsung 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Electronics Co., Ltd. Gyeonggi-Do, Korea, 443-742 Any unauthorized use of Manual can be punished Printed in Korea under applicable International and/or domestic P/N : BN82-00133M-00 law. URL : http://itself.sec.samsung.co.kr/ 1 Precautions 1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1-1-1 Warnings 1. For continued safety, do not attempt to modify the circuit board. 2. Disconnect the AC power and DC power jack before servicing. 1-1-2 Servicing the LCD Monitor 1. When servicing the LCD Monitor, Disconnect the AC line cord from the AC outlet. 2. It is essential that service technicians have an accurate voltage meter available at all times. Check the calibration of this meter periodically. 1-1-3 Fire and Shock Hazard Before returning the monitor to the user, perform the Figure 1-1. Leakage Current Test Circuit following safety checks: 1. Inspect each lead dress to make certain that the leads are 4. With the unit completely reassembled, plug the AC line not pinched or that hardware is not lodged between the cord directly into a 120V AC outlet. With the unit's AC chassis and other metal parts in the monitor. switch first in the ON position and then OFF, measure 2. Inspect all protective devices such as nonmetallic control the current between a known earth ground (metal water knobs, insulating materials, cabinet backs, adjustment pipe, conduit, etc.) and all exposed metal parts, and compartment covers or shields, isolation resistor- including: metal cabinets, screwheads and control shafts.