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Summary of Contents for Samsung HG NT690 Series
- Page 1 Repair Guide Basic Model HG43NT690UFXZA Applicable Model HG**NT690* Ver.1.0...
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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
This section of the service manual describes the disassembly and reassembly procedures for the LED TV. 1. Disconnect the LED TV from the power source before disassembly. 2. Follow these directions carefully. − Use the Samsung Service tool to disassemble the cabinet. • Recommend to use the Samsung Service tool CAUTION −... - Page 11 Disassembly and Reassemble...
- Page 12 Disassembly and Reassemble...
- Page 13 Disassembly and Reassemble...
- Page 14 Disassembly and Reassemble...
- Page 15 Disassembly and Reassemble...
- Page 16 Disassembly and Reassemble...
- Page 17 Disassembly and Reassemble...
- Page 18 Disassembly and Reassemble...
- Page 19 Disassembly and Reassemble 2-10...
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Page 20: Troubleshooting
Troubleshooting 3. Troubleshooting 3-1. After Replacing Main Board ■ Setting TV into Factory Mode Samsung IR Remote (Limited Operation) 1. TV On. 2. Press as follows. • Remote Button Info Factory Factory Remote (AA81-00243B) First Screen Appearing in Factory Mode Important Screen info: T-NKLAKUC-XXXX.XX... - Page 21 Troubleshooting MAIN : Option, MODE : SATELLITE, RES : NOSIGNAL Home Updates Exit Type 55K6AU0SB Local Set SW MODEL UCU8000 Front Color UCU8000 - U55CB2 SAMPLE Writing Fornt Color ■ Replacing Main Board When replacing Main Board, certain values needs to be manually input in Factory menu to complete the replacement. Steps to Replace Main Board (Example) 1.
- Page 22 Troubleshooting ② Local Set : Set according to Local region(country) ③ SW Model : Check Label Rating of the TV(located on the Rear Cover) - SW Model is digits after “/” in Version No. Choose same SW Model code from the list. Home Updates Exit...
- Page 23 Troubleshooting ④ Front Color :Check Label Rating of the TV Home Updates Exit Factory Reset Type 55K6AU0SB Writing Type Local Set SW Model UCU8000 Front Color UCU8000 - U55CB2 Writing Fornt Color Model Code UN55CU8000FXZA TUNER Ch Table NONE * Reference to Front Color list in the Factory Menu <"Front Color"...
- Page 24 Troubleshooting ⑤ Model code :Check Label Rating of the TV Home Updates Exit Factory Reset SAMPLE Type 55K6AU0SB Writing Type Local Set SW Model UCU8000 Front Color UCU8000 - U55CB2 Writing Front Color Model Code UN55CU8000FXZA <Model Code digits exceeded > <Set Model Code>...
- Page 25 Troubleshooting ■ SVC - S/N - Writing S/N <Writing S/N : Check Label Rating of the TV > SAMPLE...
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