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Now downloading free:LG LG 42LC46 LD73A [SM]

LG LG 42LC46 LD73A [SM] free download

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

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File name:LG_42LC46_LD73A_[SM].pdf
[preview LG 42LC46 LD73A [SM]]
Size:6382 kB
Extension:pdf
Mfg:LG
Model:LG 42LC46 LD73A [SM] 🔎
Original:LG 42LC46 LD73A [SM] 🔎
Descr: LG Monitor LG_42LC46_LD73A_[SM].pdf
Group:Electronics > Computer equipment > Monitors
Uploaded:01-03-2020
User:Anonymous
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File name LG_42LC46_LD73A_[SM].pdf

LCD TV SERVICE MANUAL CHASSIS : LD73A MODEL : 42LC46 42LC46-ZC CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CONTENTS CONTENTS ... 2 PRODUCT SAFETY ...3 SPECIFICATION ...6 ADJUSTMENT INSTRUCTION ...14 TROUBLE SHOOTING ...17 BLOCK DIAGRAM...25 EXPLODED VIEW ... 26 REPLACEMENT PARTS LIST ... 28 SVC. SHEET ... -2- 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 Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. General Guidance Leakage Current Hot Check (See below Figure) Plug the AC cord directly into the AC outlet. An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC Do not use a line Isolation Transformer during this check. power line. Use a transformer of adequate power rating as this Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitor protects the technician from accidents resulting in personal injury between a known good earth ground (Water Pipe, Conduit, etc.) from electrical shocks. and the exposed metallic parts. Measure the AC voltage across the resistor using AC voltmeter It will also protect the receiver and it's components from being with 1000 ohms/volt or more sensitivity. damaged by accidental shorts of the circuitry that may be Reverse plug the AC cord into the AC outlet and repeat AC voltage inadvertently introduced during the service operation. measurements for each e

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