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Related Manuals for Samsung QN LS03T Series
Summary of Contents for Samsung QN LS03T Series
- Page 1 Repair Guide Basic Model QN43LS03TAFXZA Applicable Model QN**LS03T* 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 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...
- Page 11 Disassembly and Reassemble Description & Screws Picture Description 1. Use Open Jig Tool & beginning at bottom corner of cover and working out towards the sides : Release each tab by pushing straight in at each Notch location (keep tool towards the right when entering each notch to help release it.) 2.
- Page 12 Disassembly and Reassemble Description & Screws Picture Description Remove the ASSY COVER P-REAR. Remove the NETWORK-WLAN CLIENT. LEAD CONNECTOR-SUB ASSY • LEAD CONNECTOR-SUB ASSY Remove the ASSY SPEAKER P-FRONT. • ASSY SPEAKER P-FRONT Cable • : Assy SPK to Panel Hole 4 Points...
- Page 13 Disassembly and Reassemble Description & Screws Picture Description Remove the ASSY BOARD P-FUNCTION. ASSY BOARD P-FUNCTION Cable • ASSY BOARD P-FUNCTION Cable Screws 6001-002759 SCREW-MACHINE : M3 x L4, ZPC(BLK) • FUNCTION + CH/FRONT <Disassemble Function/IR> Remove the All cables. •...
- Page 14 Disassembly and Reassemble Description & Screws Picture Description Remove the DC VSS-PD BOARD. 1. You have to discharge the SMPS by using Discharge JIG across leads of Large Capacitors as pictured side. Service Jig-Capacitor Discharge • If LED ON > LED OFF discharge is completed.
- Page 15 Disassembly and Reassemble Description & Screws Picture Description • 75 inches 2. Gently lift the edge to unlock the SMPS board. • 43 inches 1 Lift up (2EA) Locking 2 Mounting slots (4EA) Fixing Hole Remove the board by holding it with both hands and sliding it to the Left...
- Page 16 Disassembly and Reassemble Description & Screws Picture Description • 50 inches 1 Lift up (2EA) Locking 2 Mounting slots (4EA) Fixing Hole Remove the board by holding it with both hands and sliding it to the Right • 55 / 65 inches 1 Lift up (2EA) Locking 2 Mounting slots (4EA)
- Page 17 Disassembly and Reassemble Description & Screws Picture Description Completed the disassembly. • 43 inches • 50 / 55 / 65 inches • 75 inches NOTE Reassembly procedures are in the reverse order of disassembly procedures.
- Page 18 Disassembly and Reassemble 3-2. One Connect Disassembly Description & Screws Picture Description Remove the 5 screws from ASSY COVER P-OC BOTTOM. Screws 6003-000275 SCREW-TAPTYPE : M3 x L10, ZPC(BLK) • C/TOP+C/BOTTOM Use the Open Tool to unlock each corner. Assembly Misc P-jig-2017 •...
- Page 19 Disassembly and Reassemble Description & Screws Picture Description Remove the Cables. • One Connect power supply power cable. Remove the 2 screws at each marked screw location on the board. Screws 6003-000283 SCREW-TAPTYPE : M3 x L8, ZPC(WHT) • SMPS+S/TOP Lift off the black Insulator Sheet taped to the plate assembly at "PULL"...
- Page 20 Disassembly and Reassemble Description & Screws Picture Description Remove the 4 screws on the One Connect Board. Screws 6003-000283 SCREW-TAPTYPE : M3 x L8, ZPC(WHT) • MAIN BOARD+C/BOTTOM Completed the disassembly. NOTE Reassembly procedures are in the reverse order of disassembly procedures. 2-11...
- Page 21 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 NTSC MUTE POWER BN59-01301A (Recommended) 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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