LED TV
Chassis : U8MA
Model : UN32H5203AFXZ*
UN40H5203AFXZ*
UN46H5203AFXZ*
UN50H5203AFXZ*
SERVICE MANUAL 
LED TV |
CONTENTS |
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1. Precautions
2. Product specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Wiring Diagram
UN**H5203AF
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CONTENTS |
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1. Precautions................................................................................................................... |
1-1 |
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1-1. |
Safety Precautions .............................................................................................................. |
1-1 |
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1-1-1. Warnings................................................................................................................... |
1-1 |
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1-1-2. Servicing the LED TV ............................................................................................... |
1-1 |
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1-1-3. |
Fire and Shock Hazard............................................................................................. |
1-1 |
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1-1-4. |
Product Safety Notices............................................................................................. |
1-2 |
1-2. |
Servicing Precautions.......................................................................................................... |
1-3 |
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1-2-1. |
General Servicing Precautions................................................................................. |
1-3 |
1-3. |
Static Electricity Precautions ............................................................................................... |
1-4 |
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1-4. |
Installation Precautions ....................................................................................................... |
1-5 |
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2. Product Specifications................................................................................................. |
2-1 |
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2-1. |
Product information ............................................................................................................. |
2-1 |
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2-2. |
Product specification ........................................................................................................... |
2-2 |
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2-2-1. |
Detailed Specifications ............................................................................................. |
2-2 |
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2-2-2. |
Specifications ........................................................................................................... |
2-6 |
2-3. |
Accessories ........................................................................................................................ |
2-7 |
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3. Disassembly and Reassembly .................................................................................... |
3-1 |
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3-1. |
Disassembly and Reassembly ............................................................................................ |
3-1 |
3-2. Assy Board P-Jog Switch & Ir.............................................................................................. |
3-7 |
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3-3. |
Disassembly(PTC)............................................................................................................... |
3-9 |
4. Troubleshooting ........................................................................................................... |
4-1 |
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4-1. Troubleshooting................................................................................................................... |
4-1 |
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4-1-1. Testing the Picture .................................................................................................... |
4-1 |
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4-1-2. Testing the Sound..................................................................................................... |
4-3 |
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4-1-3. Testing the 3D Picture Quality .................................................................................. |
4-4 |
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4-1-4. There is a problem with the broadcast...................................................................... |
4-4 |
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4-1-5. My computer won’t connect...................................................................................... |
4-5 |
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4-1-6. I can’t connect to the Internet ................................................................................... |
4-5 |
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4-1-7. I am having trouble launching/using apps ................................................................ |
4-5 |
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4-1-8. My file won’t play ...................................................................................................... |
4-5 |
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4-1-9. |
I want to reset the TV................................................................................................ |
4-5 |
4-1-10. Other Issues ........................................................................................................... |
4-6 |
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4-2. Factory Mode Adjustments.................................................................................................. |
4-7 |
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4-2-1. |
Detail Factory Option................................................................................................ |
4-7 |
4-2-2. |
Entering Factory Mode ............................................................................................. |
4-8 |
4-2-3. |
Factory Data............................................................................................................. |
4-9 |
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4-3. |
White Balance ................................................................................................................... |
4-22 |
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4-3-1. Calibration .............................................................................................................. |
4-22 |
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4-3-2. |
Service Adjustment................................................................................................. |
4-22 |
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4-3-3. Adjustment.............................................................................................................. |
4-24 |
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4-4. |
Software Upgrade.............................................................................................................. |
4-25 |
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4-4-1. |
By USB................................................................................................................... |
4-25 |
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4-4-2. |
By Online................................................................................................................ |
4-25 |
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4-4-3. Alternative Software (Backup) ................................................................................ |
4-25 |
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4-5. |
Cover Rear Dimension ...................................................................................................... |
4-26 |
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5. Wiring Diagram............................................................................................................. |
5-1 |
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5-1. |
Wiring Diagram.................................................................................................................... |
5-1 |
5-2. |
Connector............................................................................................................................ |
5-3 |
5-3. |
Connector Functions ........................................................................................................... |
5-5 |
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This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable International and/or domestic law.
© 2014 Samsung Electronics Co.,Ltd.
All rights reserved.
Printed in Korea
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1. 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.
WARNING
1-1-2. Servicing the LED TV
1.When servicing the LED TV, Disconnect the AC line cord from the AC outlet.
2.It is essential that service technicians have an accurate voltage meter available at all times. Check the calibration of this meter periodically.
1-1-3. Fire and Shock Hazard
Before returning the monitor to the user, perform the following safety checks:
1.Inspect each lead dress to make certain that the leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the monitor.
2.Inspect all protective devices such as nonmetallic control knobs, insulating materials, cabinet backs, adjustment and compartment covers or shields, isolation resistorcapacitor networks, mechanical insulators, etc.
3.Leakage Current Hot Check:
(READING SHOULD) |
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NOT BE ABOVE 0.5mA |
LEAKAGE |
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DEVICE |
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CURRENT |
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UNDER |
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TESTER |
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TEST |
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TEST ALL |
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EXPOSED METAL |
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SURFACES |
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2-WIRE CORD |
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ALSO TEST WITH |
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PLUG REVERSED |
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(USING AC ADAPTER |
EARTH |
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PLUG AS REQUIRED) |
GROUND |
Do not use an isolation transformer during this test.
Use a leakage current tester or a metering system that complies with American National Standards Institute (ANSI C101.1, Leakage Current for Appliances), and Underwriters Laboratories (UL
WARNING Publication UL1410, 59.7).
4.With the unit completely reassembled, plug the AC line cord directly into a 120V AC outlet. With the unit’s AC switch first in the ON position and then OFF, measure the current between a known earth ground (metal water pipe, conduit, etc.) and all exposed metal parts, including: metal cabinets, screwheads and control shafts.
The current measured should not exceed 0.5 milliamp.
Reverse the power-plug prongs in the AC outlet and repeat the test.
1-1
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1. 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 schematics and parts lists. A substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock, fire and/or other hazards. Product safety is under review continuously and new instructions are issued whenever appropriate.
1-2
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1. Precautions
1-2. Servicing Precautions
An electrolytic capacitor installed with the wrong polarity might explode.
WARNING
Before servicing units covered by this service manual, read and follow the Safety Precautions section of
this manual.
CAUTION
If unforeseen circumstances create conflict between the following servicing precautions and any of the
safety precautions, always follow the safety precautions.
NOTE
1-2-1. General Servicing Precautions
1.Always unplug the unit’s AC power cord from the AC power source and disconnect the DC Power Jack before attempting to: (a) remove or reinstall any component or assembly, (b) disconnect PCB plugs or connectors, (c) connect a test component in parallel with an electrolytic capacitor.
2.Some components are raised above the printed circuit board for safety. An insulation tube or tape is sometimes used. The internal wiring is sometimes clamped to prevent contact with thermally hot components. Reinstall all such elements to their original position.
3.After servicing, always check that the screws, components and wiring have been correctly reinstalled. Make sure that the area around the serviced part has not been damaged.
4.Check the insulation between the blades of the AC plug and accessible conductive parts (examples: metal panels, input terminals and earphone jacks).
5.Insulation Checking Procedure: Disconnect the power cord from the AC source and turn the power switch ON. Connect an insulation resistance meter (500 V) to theblades of the AC plug. The insulation resistance between each blade of the AC plug and accessible conductive parts (see above) should be greater than 1 megohm.
6.Always connect a test instrument’s ground lead to the instrument chassis ground before connecting the positive lead; always remove the instrument’s ground lead last.
1-3
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1. 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.Immediately before handling any semiconductor components or assemblies, drain the electrostatic charge from your body by touching a known earth ground. Alternatively, wear a discharging wrist-strap device. To avoid a shock hazard, be sure to remove the wrist strap before applying power to the monitor.
2.After removing an ESD-equipped assembly, place it on a conductive surface such as aluminum foil to prevent accumulation of an electrostatic charge.
3.Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ESDs.
4.Use only a grounded-tip soldering iron to solder or desolder ESDs.
5.Use only an anti-static solder removal device. Some solder removal devices not classified as “anti-static” can generate electrical charges sufficient to damage ESDs.
6.Do not remove a replacement ESD from its protective package until you are ready to install it. Most replacement ESDs are packaged with leads that are electrically shorted together by conductive foam, aluminum foil or other conductive materials.
7.Immediately before removing the protective material from the leads of a replacement ESD, touch the protective material to the chassis or circuit assembly into which the device will be installed.
Be sure no power is applied to the chassis or circuit and observe all other safety precautions.
CAUTION
8.Minimize body motions when handling unpackaged replacement ESDs. Motions such as brushing clothes together, or lifting your foot from a carpeted floor can generate enough static electricity to damage an ESD.
1-4
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1. 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.
4.Bend the external antenna cable when connecting it to the product. This is a measure to protect it from being exposed to moisture. Otherwise, it may cause a fire or electric shock.
5.Make sure to turn the power off and unplug the power cord from the outlet before repositioning the product. Also check the antenna cable or the external connectors if they are fully unplugged. Damage to the cord may cause fire or electric shock.
6.Keep the antenna far away from any high-voltage cables and install it firmly. Contact with the highvoltage cable or the antenna falling over may cause fire or electric shock.
7.When installing the product, leave enough space (0.4m) between the product and the wall for ventilation purposes. A rise in temperature within the product may cause fire.
8.If an equipment is provided with a replaceable battery, and if replacement by an incorrect type could result in an explosion (for example, with some lithium batteries), the following applies:
•Risk of explosion if battery is replaced by an incorrect type dispose of used batteries according to the instructions.
•Do not dispose of batteries in a fire.
•Do not short circuit, disassemble or overheat the batteries.
CAUTION • Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.
•Do not be exposed to excessive heat such as sunshine, fire or the like.
1-5
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2. Product specifications
2. Product Specifications
2-1. Product information
Model |
UN**H5203AF |
W
Front View |
H |
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* W : Width H : High D : Depth |
D |
Detail View
Front Color |
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Black |
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With Stand |
738.3 x 498.2 x 191.9 mm / 29.0 x 19.6 x 7.6 inches |
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32" |
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Without Stand |
738.3 x 444.9 x 93.2 mm / 29.0 x 17.5 x 3.7 inches |
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With Stand |
927.6 x 606.5 x 247.8 mm / 36.5 x 23.9 x 9.8 inches |
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40" |
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Dimensions |
Without Stand |
927.6 x 551.0 x 93.0 mm / 36.5 x 21.7 x 3.7 inches |
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(W x H x D) |
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With Stand |
1059.8 x 680.7 x 247.8 mm / 41.7 x 26.8 x 9.8 inches |
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46" |
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Without Stand |
1059.8 x 625.6 x 94.3 mm / 41.7 x 24.6 x 3.7 inches |
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With Stand |
1137.6 x 725.0 x 247.8 mm / 44.8 x 28.5 x 9.8 inches |
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50" |
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Without Stand |
1137.6 x 669.4 x 94.5 mm / 44.8 x 26.4 x 3.7 inches |
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With Stand |
6.4 kg / 14.1 lbs |
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32" |
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Without Stand |
5.7 kg / 12.6 lbs |
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With Stand |
10.6 kg / 23.3 lbs |
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40" |
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Without Stand |
8.6 kg / 19.0 lbs |
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Weight |
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With Stand |
14.2 kg / 31.3 lbs |
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46" |
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Without Stand |
12.2 kg / 26.9 lbs |
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With Stand |
17.7 kg / 39.0 lbs |
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50" |
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Without Stand |
15.7 kg / 34.6 lbs |
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2-1
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2. Product specifications
2-2. Product specification
2-2-1. Detailed Specifications
NOTE
Design and specifications are subject to change without prior notice.
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Item |
UN**H5203AFXZ* |
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General Information |
Product |
LED |
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Series |
5 |
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Country |
UNITED STATES |
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Display |
Screen Size |
32'/40"/46"/50" |
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Resolution |
1,920 x 1,080 |
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Ultra Clear Panel |
N/A |
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Video |
Clear Motion Rate |
120 |
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Micro Dimming |
No |
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Precision Black (Local Dimming) |
N/A |
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Wide Color Enhancer (Plus) |
Yes |
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Color Accuracy |
N/A |
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Auto Depth Enhancer |
N/A |
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Auto Motion Plus |
N/A |
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Film Mode |
Yes |
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Audio |
Dolby MS10 / MS110 |
Dolby MS10 |
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DTS Studio Sound / DNSe+ |
DTS Studio Sound |
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DTS Premium Sound / DTS Premium |
DTS Premium Sound 5.1 |
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Sound 5.1 |
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3D Sound |
N/A |
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Auto Volume Leveler |
Yes |
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Sound Customizer |
N/A |
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Sound Output (RMS) |
10W x 2 |
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Speaker Type |
Down Firing + Full Range |
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Woofer |
N/A |
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Smart TV |
Smart Hub |
Yes |
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On TV |
Yes |
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Movies & TV Shows |
N/A |
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Multimedia |
Yes |
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Apps |
Yes |
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Game |
N/A |
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Multi-Screen (Dual / Quad Screen) |
N/A |
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2-2
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2. Product specifications |
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Item |
UN**H5203AFXZ* |
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Smart TV |
Web Browser |
N/A |
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Smart Interaction |
Voice Interaction |
N/A |
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Camera Built-in |
N/A |
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Motion control |
N/A |
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Smart Convergence |
Contents Streaming |
Yes |
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Screen Mirroring |
Yes |
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ISP Bound Service |
N/A |
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RUI |
N/A |
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RVU |
N/A |
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Samsung SMART View |
N/A |
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Smart Home |
N/A |
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Tuner/Broadcasting |
DTV Tuner |
ATSC / Clear QAM |
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Analog Tuner |
Yes |
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Connectivity |
HDMI |
2 |
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USB |
2 |
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Component In (Y/Pb/Pr) |
1 |
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Composite In (AV) |
1 (Common Use for Component Y) |
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Ethernet (LAN) |
Yes |
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Headphone |
N/A |
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Audio Out (Mini Jack) |
Yes |
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Digital Audio Out (Optical) |
1 |
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PC In (D-sub) |
N/A |
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PC/DVI Audio In (Mini Jack) |
N/A |
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RF In (Terrestrial / Cable input) |
1/1(Common Use for Terrestrial)/0 |
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Ex-Link ( RS-232C ) |
Yes |
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One Connect (Jack) |
N/A |
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WiFi Direct |
Yes |
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MHL |
N/A |
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HDMI 1.4 3D Auto Setting |
N/A |
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HDMI 1.4 A/Return Ch. Support |
N/A |
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Wireless LAN Built-in |
Yes |
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Anynet+ (HDMI-CEC) |
N/A |
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Design |
Design |
F-Slim |
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Bezel Type |
NNB |
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Light Effect (Deco) |
No |
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2-3
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2. Product specifications
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Item |
UN**H5203AFXZ* |
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Design |
Stand Type |
Round |
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Swivel (Left/Right) |
No |
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Camera Type |
N/A |
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Additional Feature |
Samsung 3D |
N/A |
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3D Converter |
N/A |
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Instant On |
N/A |
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Quad Core+ |
N/A |
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Digital Clean View |
Yes |
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Auto Channel Search |
Yes |
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Auto Power Off |
Yes |
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Clock&On/Off Timer |
Yes |
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Sleep Timer |
Yes |
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BD Wise Plus |
N/A |
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Caption (Subtitle) |
Yes |
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AC/DC TV |
N/A |
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Embeded POP |
Yes |
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EPG |
Yes |
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Game Mode |
Yes |
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History |
N/A |
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IP Video Closed Caption |
Yes |
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OSD Language |
English, Spanish, French |
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Picture-In-Picture |
Yes |
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Multi Tasking |
N/A |
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BT HID Built-in |
N/A |
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USB HID Support |
Yes |
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Smart Evolution Support |
N/A |
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TV SoundConnect |
N/A |
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Teletext (TTXT) |
N/A |
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Time Shift |
N/A |
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V-Chip |
Yes |
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Eco Feature |
Eco Label |
TBD |
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Eco Sensor |
Yes |
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Accessory |
3D Active Glasses (Included) |
N/A |
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Remote Controller Model |
TM1250A |
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Batteries (for Remote Control) |
Yes |
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2-4
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2. Product specifications |
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Item |
UN**H5203AFXZ* |
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Accessory |
Samsung Smart Touch Control (Included) |
N/A |
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Ultra Slim Wall Mount Supported |
N/A |
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Mini Wall Mount Supported |
Yes |
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Vesa Wall Mount Supported |
Yes |
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IR Extender Cable (Included) |
Yes |
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Wireless Keyboard (Included) |
N/A |
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User Manual |
Yes |
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E-Manual |
Yes |
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Power Cable |
Yes |
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Slim Gender Cable |
N/A |
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2-5
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2. Product specifications
2-2-2. Specifications
′ Specifications
Model |
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UN**H5203AF |
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Item |
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Description |
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Screen Size (Diagonal) |
32 inches |
40 inches |
46 inches |
50 inches |
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LCD Panel |
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FHD 60Hz |
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Display Colors |
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16.7M color |
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Display Resolution |
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1,920 x 1,080 |
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Input Signal |
Analog 0.7 Vp-p ± 5% positive at 75Ω, internally terminated |
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Input Sync Signal |
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H/V Separate, TTL, P. or N. |
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AC Power Voltage & Frequency |
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AC110-120V 60Hz |
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Sound (Output) |
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20W (10W X 2) |
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2-6
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2. Product specifications
2-3. Accessories
NOTE
•The items’ colors and shapes may vary depending on the model.
•Cables not included in the package contents can be purchased separately.
•The part code for some accessories may differ depending on your region.
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Product |
Code. No |
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Product |
Code. No |
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Remote Control |
BN59-01178W |
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Power Cord |
3903-000853 |
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Batteries (AAA x 2) |
4301-000103 |
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User Manual |
BN68-06330D |
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Image |
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Product |
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• Holder-Wire Stand |
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BN61-08370A |
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2-7
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3. Disassembly and Reassemble
3. Disassembly and Reassembly
This section of the service manual describes the disassembly and reassembly procedures for the LED TV.
This LED TV contains electrostatically sensitive devices. Use caution when handling these components.
WARNING
3-1. Disassembly and Reassembly
1.Disconnect the LED TV from the power source before disassembly.
2.Follow these directions carefully; never use metal instruments to pry apart the cabinet.
CAUTION 3. If there is no additional coment, it is same for all inches.
Description |
Picture Description |
Screws |
1 Place TV face down on cushioned table.
2 Remove 4 screws from the stand.
Torque : 9~ 10Kgf.cm
6003-001782
3-1
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3. Disassembly and Reassemble
Description |
Picture Description |
Screws |
3Remove stand.
4 |
Remove 1 screw of cover jack. |
Torque : |
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• 32"/40" |
9~ 10Kgf.cm |
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6003-001782
Torque : 7~ 8Kgf.cm
Remove 11 screws of rear cover.
• 46"/50"
6003-002755
5Remove the cover jack.
• 32"/40"
Remove the rear cover.
•46"/50"
3-2
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3. Disassembly and Reassemble |
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Description |
Picture Description |
Screws |
6 Disconnect the function assy cable.
7Remove the screws of rear-cover.
•32" : 12ea
•40" : 13ea
•46" : 15ea
•50" : 15ea
Torque : 9~ 10Kgf.cm
6003-001782
Torque : 7~ 8Kgf.cm
6003-002755
Cover-middle |
Function Assy |
3-3
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