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SERVICE
UA**RU7100K
UHD TV
Project
Chassis : UWE90
Model
UHD TV
: URU7100H
: UA43RU7100K
UA50RU7100K
UA55RU7100K
UA58RU7100K
UA65RU7100K
UA75RU7100K
Manual
Contents
1. Precautions
2. Product specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Wiring Diagram

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Table of Contents
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Summarization of Contents

Precautions
1-1. Safety Precautions
Covers warnings, servicing, hazards, and product notices.
1-2. Servicing Precautions
General precautions for servicing the TV.
1-3. Static Electricity Precautions
Guidelines to prevent damage from static discharge.
1-4. Installation Precautions
Safety measures during TV installation.
Product Specifications
2-1. Product information
General details about the TV model.
2-2. Product specification
Detailed technical specifications of the TV.
2-3. Accessories
List of items included with the TV.
2-4. Viewing the Functions
Explanation of the TV's viewing features.
2-5. The Samsung Smart Remote
Information regarding the smart remote control.
2-6. Using the TV Controller
Instructions for operating the TV controller.
Exploded View & Part List
Exploded View
Visual representation of TV components.
Parts List
Detailed list of all parts.
Disassembly and Reassemble
3-1. Disassembly Steps
General steps for disassembling the TV unit.
Open Jigs for Rear Cover
Specific jigs required for rear cover removal.
3-2. Disassemble Rear Cover Hooks
Procedure to release rear cover securing hooks.
Locking Tabs Locations (43-55 inch)
Details on locking tabs for 43", 50", 55" screens.
Locking Tabs Locations (58-75 inch)
Details on locking tabs for 58", 65", 75" screens.
3-3. Lift and Remove Back Cover
Procedure to lift and remove the rear TV cover.
3-4. Remove Electric Tapes
Instructions for safely removing internal electric tapes.
3-5. Remove Cables
Steps to disconnect various internal cables.
Discharge Capacitors (43 inch)
Safety procedure for discharging capacitors on 43" models.
Discharge Capacitors (50-58 inch)
Safety procedure for discharging capacitors on 50-58" models.
Discharge Capacitors (65 inch)
Safety procedure for discharging capacitors on 65" models.
Discharge Capacitors (75 inch)
Safety procedure for discharging capacitors on 75" models.
7. Remove DC VSS-PD BOARD
Procedure to remove the DC power supply board.
8. Remove Main Board
Procedure to remove the main PCB.
9. Remove IR/JOG Unit
Procedure to remove the IR/JOG receiver module.
10. Remove Speaker Assembly
Procedure to remove the TV speaker components.
11. Disassembly Completed
Final step indicating completion of disassembly.
Troubleshooting
4-1. Function Control Operation Test
Test for function control and operation issues.
4-2. Power
Troubleshooting issues related to TV power.
4-3. Video
Troubleshooting problems with video display.
4-4. Audio
Troubleshooting problems with TV audio.
4-5. Network
Troubleshooting network connectivity issues.
4-6. Smart Hub
Troubleshooting Smart Hub application features.
4-7. Bluetooth / WiFi Module
Troubleshooting wireless connectivity modules.
4-8. Factory Mode
Guide to accessing and understanding factory mode.
4-9. Factory Mode Adjustments
Details on making adjustments within factory mode.
4-10. Replacing Main Board
Procedure for replacing the main board.
4-11. White Balance
Steps for calibrating and adjusting white balance.
4-12. LED Indicator Test
Diagnosing issues using LED flash codes.
4-13. Updating the TV's Software
Procedures for updating TV software via various methods.
Wiring Diagram
Overall Component Layout
Diagram showing main board, SMPS, and speaker connections.
50/55/58 inch Layout
Component layout for 50, 55, 58 inch models.
65 inch Layout
Component layout for 65 inch model.
75 inch Layout
Component layout for 75 inch model.
Cables
Details and part numbers for internal cables.
Main Board Connectors
Pin map and details for main board connectors.
SMPS Board Connectors
Pin map and details for SMPS board connectors.

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