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Related Manuals for Samsung QN LS03B Series
Summary of Contents for Samsung QN LS03B Series
- Page 1 Repair Guide Basic Model QN65LS03BSFXZA Applicable Mode QN**LS03B*FX** 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 LED TV ......................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. Static Electricity 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 1-1-4. Product Safety Notices Some electrical and mechanical parts have special safetyrelated characteristics which are often not evident from visual inspection. The protection they give may not be obtained by replacing them with components rated for higher voltage, wattage, etc. Parts that have special safety characteristics are identified by on Disassembly and Reassembly. -
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: Static Electricity Precautions
Precautions 1-3. Static Electricity 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. 1. -
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
- Recommended Torque for Cabinet/Stand screws : 10 ~ 12kgf • A strength of Torque can be changed depending on the situation. • For information about purchasing arts and jigs for EU region, please visit http://www.samsung.com/support Samsung ASC can purchase listed Jigs on GSPN. - Page 11 Disassembly and Reassemble Remove the two stands by pulling them down.. Remark • Using the "Open Jig" tool, slightly lift the groove located at the bottom left (right) of the cover and work towards the side. Release each tab by sliding it straight out of each Remark notch position.
- Page 12 Disassembly and Reassemble It will open more easily if you hold the cover slightly with your hand and follow the open Remark jig (if you lift it up with force, it will break). Lightly lift and loosen the HOOK located in the middle. Now lift up the cover-rear across the top to release.
- Page 13 Disassembly and Reassemble It will open more easily if you hold the cover slightly with your hand and follow the open Remark jig (if you lift it up with force, it will break). Remove the Power Cable(A), BT/WiFi Cable(B), Speaker Cable(C), IR/Function Cables(D), Remark and USIT Cables(E)
- Page 14 Disassembly and Reassemble Replacing SMPS board - Remove All Cables from the board. - Press the middle panel locking, then slightly lift the upper left corner. - Use both hands to hold the ‘SMPS' and slide the board to the RIGHT to release the board.
- Page 15 Disassembly and Reassemble Replacing Main board - Remove All Cables from the Board. - Slightly lift the edge of the upper right corner and lower corner from the notch. - Use both hands to hold the 'TV Board' and slide the board down to release the board. Remark - Then carefully remove the Main Board ※...
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Page 16: One Connect Disassembly
Disassembly and Reassemble 2-2. One Connect Disassembly Remove 5 Bottom Cover screws at Arrow Markings on the Cover. Remark Use New Open Tool or a similar tool at each Bottom tab to release top Cover. Remark BN81-14946B (Open Jig) - Page 17 Disassembly and Reassemble • Turn One Connect Box upright and Remove Top Cover. Remark • Connect Discharge Tool Across leads of each large Capacitor to remove its charge. Discharge Point Service Jig-Capacitor Discharge • If LED ON & LED OFF discharge is completed.
- Page 18 Disassembly and Reassemble Lift off the black Insulator Sheet taped to the plate assembly at “PULL” marked location. Be Remark careful not to tear it. Remove the 2 screws on the plate Assembly then remove the assembly. Remark 6003-000283 (M3xL8) Remove the 4 screws on the One Connect Board.
- Page 19 Disassembly and Reassemble Completed the disassembly. Remark NOTE • Reassembly procedures are in the reverse order of disassembly procedures. 2-10...
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Page 20: Troubleshooting
• Try pointing the remote directly at the TV from 5 ft. to 6 ft. (1.5-1.8 m) away. • If your TV came with a Samsung Smart Remote (Bluetooth Remote), make sure to pair the remote to the TV. To pair a Samsung Smart Remote, press the buttons together for 3 seconds. -
Page 21: After Replacing Main Board
Troubleshooting 3-2. 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 AA81-00243B (Recommended) First Screen Appearing in Factory Mode Important Screen info: T-NKLAKUC-XXXX.XX... - Page 22 Troubleshooting MAIN : Option, MODE : SATELLITE, RES : NOSIGNAL Updates Exit Home Type 65B6ZE7TC Local Set SW MODEL QCQ700 Front Color QAQM700C-C Model Code ■ 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 65A4OUROC Writing Type Local Set SW Model QCQS90 Front Color S90CB-Q65CM1 Writing Front Color Model Code QN65S90CAFXZA 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 Type 65A4OUROC Writing Type Local Set SW Model QCQS90 Front Color S90CB-Q65CM1 Writing Front Color Model Code QN65S90CAFXZA TUNER <Model Code digits exceeded > <Set Model Code> (over 19 digits)
- Page 26 Troubleshooting ■ SVC - S/N - Writing S/N <Writing S/N : Check Label Rating of the TV >...
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