Related Manuals for Samsung LS BG70 Series
Summary of Contents for Samsung LS BG70 Series
- Page 1 Repair Guide Basic Model LS28BG702ENXGO LS27BG650ENXGO Applicable Model LS**BG70* LS**BG65* 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
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: Cover Rear Disassembly
Disassembly and Reassemble • Loosen 4 places of SCREW and disassemble it with the stand and the body. Remark • Lift it slightly and pull it to the sides to disassemble. 6001-001547 (M4xL10) 2-2. Cover Rear Disassembly • Disassemble bottom locking sequentially using OPEN JIG Remark - Disassembly direction: From center to both ends BN81-14946B... - Page 12 Disassembly and Reassemble • Using a jig, lift the locking point on the side. (Six - part) Remark G65B BH81-00001A (Delphinus Jig) G70B • In the direction of the arrow, It completely disassembles COVER REAR. Remark G65B G70B...
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Page 13: Bracket Disassembly
Disassembly and Reassemble 2-3. Bracket Disassembly • Disassemble the two screws to separate the MAIN bracket, then lift and disconnect the Remark assembly point of the MAIN bracket in the direction of the arrow. G65B 6001-003016 (M3xL5) G70B (32”) - Page 14 Disassembly and Reassemble • There are 4 points connected. Remark - If you lift the PCB and lower it, it will be separated as shown in the picture. G65B & G70B (32”) 6001-003016 (M3xL5) G70B (28”)
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Page 15: Main Pcb Disassembly
Disassembly and Reassemble 2-4. Main PCB Disassembly • Remove the FUNCTION/ARENA/Speaker Cable. - Disassemble 5 CABLEs. Remark • Lift and disconnect the assembly point in the direction of the arrow. G65B... - Page 16 Disassembly and Reassemble • Remove the FUNCTION/ARENA/Speaker Cable. - Disassemble 7CABLEs. Remark • Lift and disconnect the assembly point in the direction of the arrow. G70B (32”)
- Page 17 Disassembly and Reassemble • The G70B 28” MAIN PCB decomposition process is different from other models. - Disassembled at the end of MAIN PCB Remark - Remove the FUNCTION/ARENA/Speaker Cable. → Disassemble 6CABLEs. 7SCREWs, SPEAKER - Lift and disconnect the assembly point in the direction of the arrow. G70B (28”) 6001-003016 (M3xL5)
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Page 18: Speaker Disassembly
Disassembly and Reassemble 2-5. Speaker Disassembly • Lift it up and remove the speaker. Remark G65B • Remove the Speaker. Remark • Lift and disconnect the assembly point in the direction of the arrow. G70B 6001-003016 (M3xL5) -
Page 19: Function Module Disassembly
Disassembly and Reassemble 2-6. Function Module Disassembly • Disassemble the FUNCTION MODULE by lowering it. Remark 6003-001439 (M4xL8) 2-7. Disassembly of the Bottom LED PCB • Disassemble it by lifting it in the direction of the arrow. Remark 2-10... - Page 20 Disassembly and Reassemble • Disassembly completed. Remark G65B G70B (32”) G70B (28”) • Reassembly procedures are in the reverse order of disassembly procedures. • The exterior may differ depending on the product. Note 2-11...
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Page 21: Troubleshooting
Troubleshooting 3. Troubleshooting 3-1. After Replacing Main Board ■ Setting TV into Factory Mode Samsung IR Remote (Limited Operation) 1. TV Power Standby. 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 22 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 23 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 24 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 25 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 26 Troubleshooting ■ SVC - S/N - Writing S/N <Writing S/N : Check Label Rating of the TV > SAMPLE...
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