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Summary of Contents for Samsung LC HG9 Series
- Page 1 Repair Guide Basic Model LC49HG90DMNXZA Applicable Model LC**HG9* Ver.1.0...
- Page 2 Contents 1. Precautions 1-1. Safety Precautions ..........................1-1 1-1-1. Warnings ..........................1-1 1-1-2. Servicing the Product ......................1-1 1-1-3. Fire and Shock Hazard ......................1-1 1-1-4. Product Safety Notices ......................1-2 1-2. Servicing Precautions ........................1-3 1-2-1. General Servicing Precautions ...................1-3 1-3. Electrostatically Sensitive Devices (ESD) Precautions ..............1-4 1-4.
- Page 3 Samsung- authorized service provider. Any damage or defect to product resulting from a repair, or an attempt to repair, the product by any person other than a Samsung certified service provider will not be covered by the warranty.
- Page 4 Samsung’s liability in any case shall be limited to the greatest extent permitted by law. Samsung reserves the right, at its sole discretion, to change, modify, add or remove portions of any part of this manual at any time. It is your responsibility to check the manual periodically for changes. Your use of the manual...
- Page 5 Precautions 1. Precautions 1-1. Safety Precautions • Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1-1. Warnings For continued safety, do not attempt to modify the circuit board. Disconnect the AC power and DC power jack before servicing.
- Page 6 Precautions 6. Observe the original lead dress, especially near the following areas: Antenna wiring, sharp edges, and especially the AC and high voltage power supplies. Always inspect for pinched, out-of-place, or frayed wiring. Do not change the spacing between components and the printed circuit board. Check the AC power cord for damage. Make sure that no wires or components touch thermally hot parts.
- Page 7 Following the repair by a non-authorised service provider, self-repair or non-professional repair of the product, Samsung is not liable for any damage to the product, any injury or any other product safety issue caused by any attempt to repair the product which does not carefully follow these repair and maintenance instructions.
- Page 8 Precautions 1-3. Electrostatically Sensitive Devices (ESD) Precautions Some semiconductor (solid state) devices can be easily damaged by static electricity. Such components are commonly called Electrostatically Sensitive Devices (ESD). Examples of typical ESD are integrated circuits and some field-effect transistors. The following techniques will reduce the incidence of component damage caused by static electricity.
- Page 9 Precautions 1-4. Installation Precautions 1. For safety reasons, more than a people are required for carrying the product. 2. Keep the power cord away from any heat emitting devices, as a melted covering may cause fire or electric shock. 3. Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal temperature may cause fire.
- Page 10 Disassembly and Reassemble 2. Disassembly and Reassemble • As this monitor has parts that are sensitive to static electricity, be careful when handling them. Warning • Disconnect the product from the power source before disassembly. • Follow these directions carefully; never use metal instruments to pry apart the cabinet. Caution •...
- Page 11 Disassembly and Reassemble Description Picture Description Screws [Removing the STAND] Remove the 4 screws. 6001-001547 (M4xL10) Remove the STAND. [Removing the COVER-REAR] Remove the COVER-REAR decomposition in order of right/top, left. BN81-14946B (Open Jig) Open the COVER-REAR at the right-down corner.
- Page 12 Disassembly and Reassemble Description Picture Description Screws Insert the OPEN JIG and then pull it to the upper row side. BN81-14946B (Open Jig) Pull the OPEN JIG to the left side and open the hook on the upper row. BH81-00001A (Delphinus Jig) Open the COVER-REAR at the left-down corner.
- Page 13 Disassembly and Reassemble Description Picture Description Screws [Removing the BRACKET-PCB] Remove the screws of the BRACKET-PCB. 6001-002757 (M3xL4) Rotate and remove the ASSY SHIELD P-MAIN. [Removing the ASSY COVER P-REAR BOTTOM] Remove the ASSY COVER P-REAR BOTTOM from the right side. 6001-002757 (M3xL4) [Removing the PCB]...
- Page 14 Disassembly and Reassemble Description Picture Description Screws Remove the screws of the LED Board. 6003-000264 (M3xL6) [Removing the SMPS] Remove the INSULATOR. Remove the screws of SMPS. 6003-000264 (M3xL6) Rotate and remove the BRACKET-SHIELD. • Reassembly procedures are in the reverse order of disassembly procedures. •...
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