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Now downloading free:LG LG RU-17LZ22 [SM]

LG LG RU-17LZ22 [SM] free download

Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information

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File name:LG_RU-17LZ22_[SM].pdf
[preview LG RU-17LZ22 [SM]]
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Model:LG RU-17LZ22 [SM] 🔎
Original:LG RU-17LZ22 [SM] 🔎
Descr: LG Monitor LG_RU-17LZ22_[SM].pdf
Group:Electronics > Computer equipment > Monitors
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File name LG_RU-17LZ22_[SM].pdf

website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD TV SERVICE MANUAL CHASSIS : ML-027C MODEL : RU-17LZ22 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. /I SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. General Guidance Leakage Current Cold Check(Antenna Cold Check) With the instrument AC plug removed from AC source, An lsolation Transformer should always be used during connect an electrical jumper across the two AC plug prongs. the servicing of a receiver whose chassis is not isolated from Place the AC switch in the on positioin, connect one lead of the AC power line. Use a transformer of adequate power rating ohm-meter to the AC plug prongs tied together and touch other as this protects the technician from accidents resulting in ohm-meter lead in turn to each exposed metallic parts such as personal injury from electrical shocks. antenna terminals, phone jacks, etc. If the exposed metallic part has a return path to the chassis, the It will also protect the receiver and it's components from being measured resistance should be between 1M and 5.2M. damaged by accidental shorts of the circuitary that may be When the exposed metal has no return path to the chassis the inadvertently introduced during the service operation. reading must be infinite. An other abnormality exists that must be corrected before the If any fuse (or Fusible Resistor) in this TV receiver is blown, receiver is returned to the customer. replace it with the specified. Leakage Current Hot Check (See below Figure) When replacing a high wattage resistor (Oxide Metal Film Plug the AC cord directly into the AC outlet. Resistor, over 1W), keep the resistor 10mm away from PCB. Do not use a line Isolation Transformer during this check. Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitor Keep wires away from high voltage or high temperature parts.

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