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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 Disconnect the LED TV from the power source before disassembly.
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65" : 4 EA Screws 6003-001438 SCREW-TAPTYPE : M2 x L6, ZPC(BLK) ASSY COVER P-REAR BOTTOM Insert the Samsung Service tool at the indicated positions to release bottom corners of the ASSY COVER REAR. Disassemble ASSY COVER REAR • Insert Open Jig at the left and right side of CAUTION ASSY COVER REAR.
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3. Disassembly and Reassemble Description & Screws Picture Description • If you slide Open Jig to the end of COVER REAR, liv shape can be broken. Do not slide Open Jig over the guideline. Gently lift up the ASSY COVER REAR from the bottom corners to release all mounting clips as indicated by After removing the ASSY SPEAKER P-FRONT...
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3. Disassembly and Reassemble Description & Screws Picture Description Remove the Cables marked. Power Cable • Power Cable • ASSY BOARD P-FUNCTION Cable ASSY BOARD P-FUNCTION Cable USI-T Cable • USI-T Cable • BLU Cable BLU Cable After removing the Screws and remove the DC VSS-PD BOARD(SMPS BOARD).
3. Disassembly and Reassemble Description & Screws Picture Description Locking Removing ASSY PCB MAIN BOARD. • Gently lift up (Top Right corner) to release the lock (Locking • Use both hands to hold (Bottom chassis Guide Fixing Hole ) the board and slide to the left to release the board.
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.
4. Troubleshooting 4. Troubleshooting 4-1. Previous Check Check list for initial operation 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.
4. Troubleshooting 4-2. How to Check Fault Symptom 4-2-1. Power TV POWER STANDBY TV in Standby √ Standby LED Indicator If Not Lit: √ AC 120Vac Line If missing: √ 120Vac Source and Power Cord If OK: √ Resistance on SMPS Fuse after first removing AC power cord.
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4. Troubleshooting FUNCTION/IR Control CN910 (FUNCTION/IR) IR 3.3Vdc to 2.5Vdc (Effective DC) A3.3V_PW AMP_SCL_I2C 3.3Vdc (effective DC) AMP_SDA_I2C 3.3 Vdc (effective DC) KEY_INPUT1 1.8dc to 0V with command KEY_INPUT2 0V (no operation change) LED_STB_OUT 1.7Vdc STBY A3.3V_PW 3.3V to Deco Lamp LED_CTRL to Deco Lamp 1Vdc (off) 0.5V (On) CN910 LED Status / Function Switch...
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4. Troubleshooting SMPS POWER Power TV On. PS_ON . 2Vdc (when off) changes to 3.3Vdc (on) √ May already be On if IoT USB is loaded or TV Smart Things Hub mode is active. if voltage error or no change. √...
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4. Troubleshooting BACKLIGHTS Activate Backlights Test Disconnect Lead Cable from Main Board to Power Supply. √ TV Screen for active backlight LEDs. If NO BACKLIGHTS √ Minus (Control) & Plus pins (Supply) on the Panel Connector voltages to the Panel. If no pin voltages replace SMPS.
4. Troubleshooting 4-2-2. Video ONE CONNECT MINI <ONE CONNECT MINI> <Disconnect Banner> <Connect Cable> If No Video Disconnect OCB Cable. √ "Disconnect Banner" Displayed. If Banner Appears. √ One Connect Box / Cable (defective). If No Banner continue.
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4. Troubleshooting MAIN / T-CON Board Main Board Section Start Up Logo Customer Picture Test 1 Mute - 147 - Mute Video Operation : Generated on Main Section. If OK: √ Source & Input Cables. √ Other inputs. √ One Connect Cable/Box.
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4. Troubleshooting T-CON Section Mute - 369 - Mute NOTE May not be available for Larger models over 70 inches. Video Operation : Generated at T-CON Section. If OK: √ Main / T-CON Board (defective). If Noisy: √ Main / T-CON Board.
4. Troubleshooting 4-2-3. Audio AUDIO Source • No TV Sound √ Menu → Audio → Speaker Settings set to TV Speaker • Noisy / Distorted TV Audio √ Customer Menu → Support → Sound Test • Sound Test FAILS : (Missing / Noisy Audio) √...
4. Troubleshooting 4-2-4. Network <TV> <Router> <Internet> TV to Router "Failure" Check Router Network Status Internet Wired & Wireless MAC Address • in Customer Support Menu. √ No Wired MAC Address : Replace Main Board. √ No Wireless MAC Address : Module cabling &...
Terms of Agreement are accepted. Samsung Apps • If it Fails: √ Reset Smart Hub. √ Samsung Apps load correctly. √ Perform " Apps Reset" in Factory Mode. √ Go to Smart Hub and complete Terms of Agreement and set up information.
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4. Troubleshooting For Netflix Operation/Connection Issues: • Check Certificate & Netflix ESN Status in Factory Mode. If Certificate and ESN exists, " CO", "NfO", change the 8.8.8.8 If Certificate is missing, " C/" replace the TV’s Main Board. If ESN number is missing: NF/ do not replace the Main Board.
4. Troubleshooting 4-3. Factory Mode Factory Remote Power TV ON. Select TV Source. Info → Factory. MENU for return. Samsung IR Remote (Limited Operation) TV Power Standby. Press as follows. • Remote Button : MUTE Power • Option (must set Option Bytes when replacing Main Board.)
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4. Troubleshooting Factory Reset • Ex. SAMPLE Model Factory Reset Type 55A1MU9XK Local Set SW Model UKS9000 Model 9500 TUNER Table NONE Setting Option Bytes Service Remote Enter Factory Mode with (only). Check Option Byte Table located on GSPN (Fast Track or Tips).
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4. Troubleshooting £ Info £ ER Count • WD Count : Watch Dog (Hardware related issue). • AR Count : Auto Reset (software (i.e. Apps) related. important Error Count Status Screen. • Verify each item listed. 4-18...
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4. Troubleshooting Factory Mode £ Control £ EDID Remove ALL HDMI connections. Factory Mode → Control → EDID. (→ Enter Key) Option EDID Control Sub Option Debug Hotel Option Shop Option ADC/WB Asia Option Advanced Sound Select EDID/OFF to ON. (→ Right Arrow Key) EDID ON/OFF Enter Key)
4. Troubleshooting 4-4. Factory Mode Adjustments 4-4-1. 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". UN55KS9500FXZA 55" Inches FA01 AA02 Vendor PANEL Code...
4. Troubleshooting 4-4-2. Factory Data Option Factory Menu Name Data Range Factory Reset Type 55" 55L1MU9XK; 55A1MU9XK 65" 65L1MU9XK; 65A1MU9XK Local Set SW Model UKS9000 BOM Model 9500 TUNER Ch Table NONE MRT Option Control Factory Menu Name Data Range EDID...
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4. Troubleshooting Factory Menu Name Data Range RF Remocon Support CDD mode … DPMS Support T-CON Device JazzFT RM Server Type Operating LMF LEAVE THRESHOLD LMF TRIM THRESHOLD LMF TERM THRESHOLD EOS Click BP PMS Reset FAnet Thread CI CPLD Version ACM_MC UNIQUE TRIPLET FS_FAV...
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4. Troubleshooting Factory Menu Name Data Range External Source Eco Solution Cloning Shop Option Exhibition Mode Peak Mode Metadata Shopmode Picture Reset Asia Option Unbalance AF Level adjust TX Power Level Mono Last Memory H Shaking SOUND High Devi *If the broadcast signal is not good, TV will complement the characteristics of the signal (most use when weak signal comes from the growing area countries)
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4. Troubleshooting Factory Menu Name Data Range Wall Filter Type SRS Tuning Parm SPDIF PCM Gain AudioDock BT Delay 3D_Glass BT delay Mic Scale India Sound Speaker Delay Normal NTV CU Delay NORMAL Lipsync Inx Lipsync Checksum 0x4972 Lipsync USB Test Ready Lipsync BT Checksum 0x0000...
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4. Troubleshooting Factory Menu Name Data Range N Vx1 Value FRC Vx1 SSC ON/OFF FRC Vx1 SSC Period FRC Vx1 SSC Modulation FRC LVDS ON/OFF FRC LVDS SSC MFR FRC LVDS SSC MRR FRC DDR SSC ON/OFF FRC DDR SSC Period FRC DDR SSC Modulation ADV7619 Data strength ADV7619 Clock strength...
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4. Troubleshooting Factory Menu Name Data Range TEMP LAST 6000 DCC VERSION TCON Demura Bypass TCON FDisplay Panel Code 1 Panel Code 2 Panel Revision Panel Menu Week Panel S/N 1 Panel S/N 2 Panel S/N 3 Panel S/N 4 MPEG Margin H.264 Margin CAM Wait Time...
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4. Troubleshooting Factory Menu Name Data Range BT Throughput Failure Reproduce Module 21_9 L-DETECT STABLE TIME L-DETECT UNSTABLE TIME L-DETECT CAPTION THRESHOLD L-DETECT RAGION THRESHOLD L-DETECT B-LEVEL THRESHOLD L-DETECT USB SUPPORT DB Download MRT Option Dump Failure Picture Data Dump Failure VCONF Dump Failure...
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4. Troubleshooting Factory Menu Name Data Range UNSTABLE BAN CNT 1250ms HDMI ROBIN HDMI Callback HDMI CTS Thld HDMI CTS Cnt1 HDMI EQ HDMI Write Type HDMI Switch DVI SET TIME H Write HDMI Sync HDMI 3D DET HOT PLUG OFF HOLD TIME 600ms HDMI MUTE TIME HDMI NFST UNMUTE TIME...
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4. Troubleshooting Factory Menu Name Data Range FRC Pre Pattern FRC Post Pattern SOC TCON Pattern SOC TCON Pattern Level FRC OSD Pre Pattern FRC OSD Post Pattern FRC2 Pre Pattern FRC2 Post Pattern SOC TCON2 Pattern SOC TCON2 Pattern Level Upgrade T-CON DATA UPGRADE T-CON FW UPGRADE...
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4. Troubleshooting Factory Menu Name Data Range Audio Data USB Update Eco Data USB Update CI CPLD Upgrade SC ADK Upgrade Other Setting Delete S/N IPERF Stopped Expert CAL Data Backup … CAL Data Restore MICOM POWER OFF NTV CU FW VER ATV IF AGC SPEED Upgrade UHD OSD Test Main USB Path...
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4. Troubleshooting Factory Menu Name Data Range 1st_Y_GH 1st_Y_GL 1st_Cb_BH 1st_Cb_BL 1st_Cr_RH 1st_Cr_RL 2nd_R_L 2nd_G_L 2nd_B_L 2nd_R_H 2nd_G_H 2nd_B_H White Balance R-Offset G-Offset B-Offset R-Gain G-Gain B-Gain WB-W2_R_Offset WB_W2_B_Offset WB_W2_R_Gain WB_W2_B_Gain WB_N_R_Offset WB_N_B_Offset WB_N_R_Gain WB_N_B_Gain MGA On/Off R1_Gain G1_Gain B1_Gain R2_Gain G2_Gain B2_Gain...
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4. Troubleshooting Factory Menu Name Data Range B3_Gain R4_Gain G4_Gain B4_Gain R5_Gain G5_Gain B5_Gain R6_Gain G6_Gain B6_Gain R7_Gain G7_Gain B7_Gain R8_Gain G8_Gain B8_Gain R9_Gain G9_Gain B9_Gain R10_Gain G10_Gain B10_Gain SPI White Balance SPI White Balance On/Off SPI R-Offset SPI G-Offset SPI B-Offset SPI R-Gain SPI G-Gain...
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4. Troubleshooting Factory Menu Name Data Range SPI W2 Boffset SPI MGA WB Data to SPI Advanced 4-34...
4. Troubleshooting 4-5. RS-232C • RS232C Control Port : COM#(Serial) Bit rate : 115200 Data Bit : 8 bit Parity : None Stop Bits : 1 Flow Control : None • Description of RS232C Pin# Name Full Name Pin# Name Full Name Pin# Name Full Name...
4. Troubleshooting 4-6. AV Control Tabe Control Item Cmd1 Cmd2 Cmd3 Value General Power Power 0x00 0x00 0x00 0x00 0x01 0x02 Volume Direct 0x01 0x00 0x00 (0~100) 0x01 0x00 Down 0x02 0x00 Mute 0x02 0x00 0x00 0x00 Direct 0x04 Continuous 0x03 0x00 0x01...
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4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE BackLight(CellLight) 0~20 0x01 0x00 (0~20) Contrast 0~100 0x02 0x00 (0~100) Brightness 0~100 0x03 0x00 (0~100) Sharpness 0~100 0x04 0x00 (0~100) Color 0~10 0x05 0x00 (0~100) Tint 0x06 0x00 (0~100) Advanced Settings Black Tone 0x07 0x00...
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4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE Advanced Settings Color Space Custom Cyan 0x04 Color Magenta 0x05 Color Space Custom 0~100 0x13 0~100 Color Red Value Color Space Custom 0~100 0x14 0~100 Color Green Value Color Space Custom 0~100 0x15 0~100...
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4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE Picture Option Film Mode Auto1 0x01 Auto2 0x02 Cinema 0x03 Smooth Auto Motion Plus 0x06 0x00 Clear 0x01 Standard 0x02 Smooth 0x03 Custom 0x04 Blur Reduction 0x07 value Judder Reduction 0x08 value LED Clear Motion 0x09...
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4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE 3D Mode 0x0e 0x0c 0x00 0x00 2D->3D 0x01 Side By Side 0x02 Top Bottom 0x03 Line By Line 0x04 Vertical Line 0x05 Checker BD 0x06 Frame 0x07 Sequence 3D->2D 0x01 0x00 0x01 3D View Point 0x02...
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4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value PICTURE Size Size3 0x02 Size4 0x03 Position Position1 0x04 0x00 Position2 0x01 Position3 0x02 Position4 0x03 Sound Select Main 0x05 0x00 0x01 Picture Off 0x12 0x00 0x00 0x00 Sound Sound Mode Standard 0x0c 0x00 0x00...
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4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value Sound Speaker Select Audio Out 0x01 Sound Select Main 0x08 0x00 0x00 0x01 Sound Reset Sound Reset 0x09 0x00 0x00 3D Audio 0x0a 0x00 0x00 0x01 Medium 0x02 High 0x03 Auto Stereo Manual 0x0b 0x00...
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4. Troubleshooting Control Item Cmd1 Cmd2 Cmd3 Value Source (TV/AV/…/HDMI/…) 0xf0 0x04 0x00 0x00 Status Picture Size 0xf0 0x05 0x00 0x00 3D (On/Off) 0xf0 0x06 0x00 0x00 Picture Mode 0xf0 0x07 0x00 0x00 Sound Mode 0xf0 0x08 0x00 0x00 * Refer for Table Value 96 (0x60) Down...
Updating from the Internet requires an active Internet connection. • To update using a USB flash drive, download the update package from Samsung.com to your computer. Then, save the update package in the USB device's top-level folder. Otherwise, the TV will not be able to locate the update package.
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