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LED TV Chassis : UNB51 Model : UN32J4000AF SERVICE Manual LED TV Contents 1. Precautions 2. Product specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. Wiring Diagram UN32J4000AF...
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.
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.
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.
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. Immediately before handling any semiconductor components or assemblies, drain the electrostatic charge from your body by touching a known earth ground.
1. Precautions 1-4. Installation Precautions For safety reasons, more than a people are required for carrying the product. Keep the power cord away from any heat emitting devices, as a melted covering may cause fire or electric shock. Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal temperature may cause fire.
2. Product specifications 2. Product Specifications 2-1. Product information Model UN32J4000AF Front View * W : Width H : High D : Depth Detail View Front Color Black With Stand 745.4 x 463.1 x 150.5 mm / 29.35 x18.23 x 5.93 inches Dimensions 32"...
Dolby Digital Plus Virtual Surround DTS Studio Sound DTS Codec DTS Premium sound 3D Sound Sound Customizer Sound Output (RMS) 10W(5W+5W) Speaker Type 2CH(Down Firing + Base Reflex) Woofer HD Audio Wallmount Sound Mode Multiroom Link Smart TV Samsung SMART TV Apps...
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Voice Interaction Voice Control Face recognition Motion control Smart Convergence TV to Mobile - Mirroring Mobile to TV - Mirroring, DLNA Samsung SMART View Wireless TV On - WOL Notification - BLE Briefing On TV WiDi WiFi Direct Tuner/Broadcasting Digital Broadcasting...
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Bezel Type Slim Type Slim (5xmm) Front Color Black Light Effect (Deco) Stand Type Mini Arc Swivel (Left/Right) Additional Feature Samsung 3D 3D Converter Instant On Camera Built-in Wireless Copy Processor PX Ready 21:9 Immersive Picture Mode SCSA Support Accessibility...
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Eco Sensor Accessory 3D Active Glasses (Included) Remote Controller Model TM1240A Batteries (for Remote Control) Samsung Smart Touch Control (Included) PX (Included) Ultra Slim Wall Mount Supported Mini Wall Mount Supported Vesa Wall Mount Supported Floor Stand Support TV Camera (Included)
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. Product Description Code.
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 Disconnect the LED TV from the power source before disassembly.
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3. Disassembly and Reassemble Description Picture Description Screws Release the Hook. Hook Remove the ASSY BOARD P Cable, ASSY SPEAKER P Cable, and LVDS Cable. LVDS Cable ASSY BOARD P Cable ASSY SPEAKER P Cable Remove the ASSY SPEAKER P (L/R) and ASSY BOARD P.
3. Disassembly and Reassemble 3-2. Disassembly and Reassembly_COVER-REAR Description Picture Description Pull the Lower left(or right) corner of COVER- REAR. Opened that point. Pull the upper left(or right) corner of COVER-REAR. Opened that point. Don’t disassemble only using lower two point. It cause the breakage of RIB(panel).
4. Troubleshooting 4. Troubleshooting 4-1. Troubleshooting Previous Check Check the various cable connections first. Check to see if there is a burnt or damaged cable. Check to see if there is a disconnected or loose cable connection. Check to see if the cables are connected according to the connection diagram. Check the power input to the ASSY PCB MAIN.
4. Troubleshooting 4-2. How to Check Fault Symptom No power & no picture Check the LED of function Check link of AC voltage Open the BACK-COVER and check the Re-assemble the Main board-Panel CN1401 connecter Check the A13V of BD201 Change the Adapter Check the Q206 base, voltage must be no Change the Main Assy...
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4. Troubleshooting Location of Parts Main Board_Front CN1401 R234 L202 IC201 BD207 Q204 Q206 IC205 BD201 C204...
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4. Troubleshooting No picture (HDMI 1, 2 - Digital Signal) If the LED of POWER is off, Check what is status ‘Stand-by’ or not check Back Light is turn on Check the SelfTest. (Support Self Diagnosis Picture Test) Check for connecting external device Remain other Problem choose the HDMI SOURCE Input the HDMI signal...
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4. Troubleshooting Location of Parts Main Board_Front Detail ODD_TX0 ODD_TX1 ODD_TX2 ODD_TXCLK ODD_TX3 ODD_TX4 EVEN_TX0 EVEN_TX1 EVEN_TX2 EVEN_TXCLK ODD_TX3 ODD_TX4...
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4. Troubleshooting No picture (COMPONENT) If the LED of POWER is off, Check what is status ‘Stand-by’ or not check Back Light is turn on Check a video source & cable Check Video signal Check the SelfTest. (Support Self Diagnosis Picture Test) Check for connecting external device Remain other Problem Diagnostics...
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4. Troubleshooting Location of Parts Main Board_Front Detail R426 R425 R422 R421 R424...
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4. Troubleshooting No sound Check the source & sound cable. Input a Sound source (Comp/PC/DVI to HDMI) Check the SelfTest. (Support Self Diagnosis Picture Test) Check for connecting external device Remain other Problem? Check the DC B19V to BD305 Change the Main Assy Diagnostics Check the IC1001 (XL1) / IC301...
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4. Troubleshooting Location of Parts Main Board_Front Detail L- L+ R- R+ BD305...
4. Troubleshooting 4-3. Factory Mode Adjustments 4-3-1. Detail Factory Option NOTE If you replace the main board with new one, please change the factory option as well. The options you must change are "Type". UN32J4000AFXZA Model Name 32" Vendor BN95-02125A Panel Code...
4. Troubleshooting 4-3-2. Entering Factory Mode To enter ‘Service Mode’ Press the remote -control keys in this sequence : • If you do not have Factory remote control Power OFF MENU Power ON • If you have Factory remote control INFO Factory •...
4. Troubleshooting 4-3-3. Factory Data Option Factory Menu Name Data Range Factory Reset Type 32B6AH0JJ SW Model UJ4003 BOM Model 4000 Ch Table NONE Local Set TUNER TDA18275A MRT Option LVDS FORMAT JEIDA HV Flip Num of AV Num of COMP Num of HDMI Num of USB e-Pop Default...
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4. Troubleshooting Factory Menu Name Data Range amp volume amp scale amp check sum 5EC2 speaker EQ carrier mute Debug Factory Menu Name Data Range Spread Spectrum spread spectrum period 30 K amplitude 1.00% DDR spread 0.10% Eco Sensor Debug ...
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4. Troubleshooting ADC ADJUST Factory Menu Name Data Range Mode 4626 R-gain 4522 G-gain 4626 B-gain 2048 R-Offset G-offset 2048 B-offset AUTO ADC Advanced Factory Menu Name Data Range PWMMax Enhance EPA Standard ColorMapping 7.5 IRE NTSC 0.93 Gamma Tuner Self Test ...
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4. Troubleshooting DTV TUNER SELFTEST Factory Menu Name Data Range QAM Lock Lock Status 0x8CB8 IF level -39dB Tuner power level BER(dB) SNR(dB) IF level TH 0xA300 -80dB Tuner power TH BER(dB) TH SNR(dB) TH Check Result Shop Mode ...
4. Troubleshooting 4-4. White Balance 4-4-1. Calibration Into the Factory Mode. Select ADC ADJUST menu. Option Sub Options Sound Debug W/B ADJUST ADC ADJUST Advanced Tuner Self Test DTV TUNER SLEF Shop Option 4-4-2. Service Adjustment You must perform Calibration in the Lattice Pattern before adjusting the White Balance. Color Calibration ...
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4. Troubleshooting Method of Color Calibration (AV) Apply the NTSC Lattice (N0. 3) pattern signal to the AV IN 1 port. Press the Source key to switch to “AV1” mode. Enter Service mode. Select the “ADC” menu. Select the “AV Calibration” menu. In “AV Calibration Off”...
4. Troubleshooting 4-4-3. Adjustment Into the Factory Mode. W/B ADJUST Select menu. Option Sub Options Sound (Low light) (High light) Debug Sub Bright Sub Contrast R offset R gain W/B ADJUST G offset G gain ADC ADJUST B offset B gain Advanced Tuner Self Test DTV TUNER SELFTEST...
4-5. Software Upgrade Samsung may offer upgrades for the TV’s firmware in the future. These upgrades can be performed via the TV when it is connected to the Internet, or by downloading the new firmware from samsung.com to a USB memory device.
4. Troubleshooting 4-6. The Dimension of 32J4000 Models Item 32" (Mini Arc Stand) SET Size (With Stand) mm 745.4 * 463.1 * 150.5 SET Size (Without Stand) mm 745.4 * 442.24 * 69.0 Opening Area 699.7 *394.3, 803.1 (W * Diagonal) Wall - Mount (A * B) 200 * 200 745.4...
5. Wiring Diagram 5-3. Connector Functions Connector Function Control Back Light Unit(BLU) by ASSY PCB MAIN. CN1401 BLU The LVDS signal transfered from ASSY PCB MAIN to Panel. CN802 PANEL...
5. Wiring Diagram 5-4. Cables LVDS CALBE (Main - panel 30P, HD) FUNCTION ASSY CABLE P-FFC CABLE ASSY BOARD P Code 32" BN96-35954A BN96-36076B Photo NOTE The code number of cable can be changed, see "Exploded Views and Parts List".
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