Related Manuals for Samsung LH QHB Series
Summary of Contents for Samsung LH QHB Series
- Page 1 Repair Guide Basic Model LH43QHBEBGCXZA LH43QBBEBGCXGO Applicable Model LH**QHB* LH**QBB* Ver.1.1...
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Page 2: Table Of Contents
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...
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Page 5: Precautions
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: Product Safety Notices
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: Servicing Precautions
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: Electrostatically Sensitive Devices (Esd) Precautions
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: Installation Precautions
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
Warning • Disconnect the SMART SIGNAGE from the power source before disassembly. • Follow these directions carefully - Use the Samsung Service tool to disassemble the cabinet * Recommend to use the Samsung Service tool Caution - Recommended Torque for Cabinet/Stand screws : 10 ~ 12kgf * A strength of Torque can be changed depending on the situation. - Page 11 Disassembly and Reassemble Description Picture Description Note Removing the 'Rear Cover' Please follow 10 sequence. (The method of decomposition for Left/ Right side is the same.) • Ready to insert open jig adjust jig edge to hole. • Insert open jig till red line. •...
- Page 12 Disassembly and Reassemble Description Picture Description Note Disassemble all Hooks of Cover Rear along the three side. Lift top side then pull back to remove the back cover. Remove the Electric tapes shown on the images. ※ When assembling the smart signage, the electric tapes must be applied on the same locations. Please remember to take a picture of where the tapes were first applied.
- Page 13 Disassembly and Reassemble Description Picture Description Note Discharge Capacitors Before remove SMPS, Must discharge capacitors for your safety. Check discharge point(1st, 2nd block) and then, discharge with discharge-Jig.. Check that SMPS is discharged enough using multi-meter. 1. Put the multi-meter in text mode. 2.
- Page 14 Disassembly and Reassemble Description Picture Description Note Remove SMPS 1. Remove power connector. 2. Push and hold down BLU Connector Tab to release its panel lock connection. 3. Lift to Release the Lock Tab on Upper left side of Board (Step 5 will assist). 4.
- Page 15 Disassembly and Reassemble Description Picture Description Note Remove the cables from the ‘Main Board' Remove Main Board • Use both hands to hold the 'Main Board' and gently lift up 1 point marked. • Slide the board to the Left side to release the board.
- Page 16 Disassembly and Reassemble Description Picture Description Note Remove the IR/JOG unit. Lastly, remove the speakers on both side. Check all parts are removed as picture below. • Reassembly procedures are in the reverse order of disassembly procedures. • The exterior may differ depending on the product. Note...
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