Samsung UA43RU7100K User manual

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

Contents
1. Precautions....................................................................................................................... 1-1
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. Installation Precautions............................................................................................................. 1-5
2. Product Specications .................................................................................................... 2-1
2-1. Product information.....................................................................................................................2-1
2-2. Product specication.................................................................................................................. 2-3
2-3. Accessories................................................................................................................................2-24
2-4. Viewing the Functions..............................................................................................................2-25
2-5. The Samsung Smart Remote...................................................................................................2-33
2-6. Using the TV Controller............................................................................................................2-35
3. Disassembly and Reassemble........................................................................................ 3-1
3-1. Disassembly ................................................................................................................................. 3-1
4. Troubleshooting .............................................................................................................. 4-1
4-1. Function Control Operation Test............................................................................................... 4-1
4-2. Power............................................................................................................................................4-2
4-2-1. SMPS Standby..................................................................................................................4-2
4-2-2. SMPS Power On ..............................................................................................................4-6
4-2-3. SMPS / PANEL BACKLIGHT (Parallel Wired SMPS Panel Connections)................4-10
4-3. Video ........................................................................................................................................... 4-14
4-3-1. Customer Picture Test...................................................................................................4-14
4-3-2. Check Test Patterns...................................................................................................... 4-15
4-3-3. MAIN/T-CON BOARD....................................................................................................4-16
4-4. Audio........................................................................................................................................... 4-19
4-5. Network..................................................................................................................................... 4-20
4-6. Smart Hub.................................................................................................................................. 4-21
4-7. Bluetooth / WiFi Module...........................................................................................................4-23
4-8. Factory Mode.............................................................................................................................4-24
4-9. Factory Mode Adjustments .....................................................................................................4-32
4-9-1. Entering Factory Mode .................................................................................................4-32
4-9-2. Detail Factory Option ...................................................................................................4-33
4-9-3. Factory Data...................................................................................................................4-39
4-10. Replacing Main Board ............................................................................................................4-52

4-11. White Balance ..........................................................................................................................4-54
4-11-1. Calibration.....................................................................................................................4-54
4-11-2. Service Adjustment.....................................................................................................4-54
4-11-3. Adjustment...................................................................................................................4-56
4-12. LED Indicator Test....................................................................................................................4-57
4-12-1. Diagnostic Methods - Flashing Symptom Codes ...................................................4-57
4-13. Updating the TV’s Software...................................................................................................4-58
5. Wiring Diagram................................................................................................................ 5-1
5-1. Wiring Diagram.............................................................................................................................5-1
5-2. Connector.....................................................................................................................................5-6
5-2-1. Main Board........................................................................................................................5-6
5-2-2. SMPS Board....................................................................................................................5-10

This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished underapplicable
International and/or domestic law.
© 2019 Samsung Electronics Co.,Ltd.
All rights reserved.
Printed in Korea

ExplodedViewsandPartsList
1.ExplodedView&PartList
ExplodedView
Copyright©1995-2019SAMSUNG.Allrightsreserved.1

ExplodedViewsandPartsList
PartsList
No.Lvl.Loc.MaterialCodeDescription&SpecicationSNAQty.
11BN95-04777DPRODUCTLCD-BOE;
CY-NN043HGEV8V/H,NU7100,
SA1
22BN44-00947HDCVSS-PDBOARD;
L43E7N_RDY ,AC/DC,126W,AC
SA1
32M0014BN94-14173EASSYPCBMAIN;URU7100HSA1
42BN63-18112CCOVER-TERMINALSIDE;
65URU7100H,HIPS,V-0,
SA1
52BN96-30337LASSYSPEAKERP-FRONT;
TV-SPK,40UNU7100X,6
SA1
62BN96-48730AASSYBOARDP-FUNCTIONTACT;Y19VNB
Carbo
SA1
72R001ABN96-49116EASSYCOVERP-REAR;
43URU7100H,PC+ABS+ED20
SA1
82BN96-45795AASSYSTANDP-COVERTOPRIGHT;
43UNU7100X,
SA1
92BN96-45798AASSYSTANDP-COVERTOPLEFT;
43UNU7100X,A
SA1
2Copyright©1995-2019SAMSUNG.Allrightsreserved.

ExplodedViewsandPartsList
2.ElectricalPartsList
LevelLoc.PartCodeDescription&SpecicationQty.SA/SNA
UA43RU7100KXXV(BA02)
1S001ABN90-09477AASSYSTAND;LEDTV7K1SNA
.2BN96-45795AASSYSTANDP-COVERTOPRIGHT;43UNU7100X,1SA
..3BN63-17426ACOVER-STANDTOPRIGHT;43UNU7100X,ABS,HB,1SNA
...40103-011255RESINABS;LX-0760/PG2018,ShadowBlack,BK250SNA
...4BN63-17434ACOVER-STANDNECKRIGHT;43UNU7100X,PC+GF21SNA
..3RF01BN67-00398LFOOT-RUBBER;UH6K,RUBBER,GRA Y ,T2,,4SNA
..3BN68-05603ALABEL-EPASS;ART,W/W,90g2SNA
.2BN96-45798AASSYSTANDP-COVERTOPLEFT;43UNU7100X,A1SA
..30203-007085TAPE-SINGLEFACE;PET,T0.05,W20,L100M,CLE0SNA
..36902-002777BAGPREMIUM;HDPE,T0.03,W270,L230,TRP ,REC2SNA
..3BN63-17422ACOVER-STANDTOPLEFT;43UNU7100X,ABS,HB,B1SNA
...4BN63-17430ACOVER-STANDNECKLEFT;43UNU7100X,PC+GF201SNA
....50103-007285RESINPC;HF3200H/K21294,K21294,BK0007,V-179SNA
..3BN96-36261AASSYACCESSORY -SCREW;JU700075",6003-0011SNA
...4SCREW6003-001334SCREW-TAPTYPE;BH,+,S,M4,L14,ZPC(BLK),SWR4SA
...46902-002476BAGSCREW;LDPE,T0.05*,W70,L90,TRP ,RECYCL1SNA
..3BN96-46450AASSYSTANDP-HOLDERCABLE;55UNU7100X,ABS1SNA
...46902-000336BAGPE;LDPE,T0.05,W70,L80,TRP ,RECYCLE,Ho1SNA
...4BN61-15815AHOLDER-STANDCABLE;55UNU7100X,ABS,BK00072SNA
1R001ABN90-10412FASSYCOVERREAR;URU7100H1SNA
.2R001ABN96-49116EASSYCOVERP-REAR;43URU7100H,PC+ABS+ED201SA
..3BN63-10851FSHEET-PROTECTIONCOVER;HU8500,PET,T0.1,W2SNA
..3R001BN63-17502SCOVER-REAR;43URU7100H,PC+ABS+ED20%,V-1,B1SNA
...40103-010818RESINPCABS;CM20G/BK00749,BLACK,BK0007,1756SNA
...4BN68-05603ELABEL-RESIN;ART,W8,L50,ULLABEL(COVERR2SNA
..3BN64-04173AINLAY -TERMINALSIDE;55URU7100H,PET,T0.121SNA
..3BN68-07835QLABEL-STICKERLICENSE;65QNQ8CB,PET,T0.121SNA
1BN90-10662FASSYW/I;URU7100H1SNA
.2BN81-08159ZA/SPARTSET -ELECW/I;LEDTVELECspec-C1SNA
.2BN81-17115FA/SPARTSET -MECHW/I;URU7100H,U43RY*1SNA
1BN91-20687BASSYSHIELD;URU7100H1SNA
.2EC13BN39-02217ALEADCONNECTOR-SUBASSY ;UN50KU6000,UL2101SA
.2BN39-02457ALEADCONNECTOR-SUBASSY;Q70,UL21016,12P ,1SA
.2BN44-00947HDCVSS-PDBOARD;L43E7N_RDY ,AC/DC,126W,AC1SA
.2BN63-18112CCOVER-TERMINALSIDE;65URU7100H,HIPS,V-0,1SA
..30103-004637RESINHIPS;VE-1897/K2901,Black,BK0020,V-14SNA
.2BN96-30337LASSYSPEAKERP-FRONT;TV -SPK,40UNU7100X,61SA
Copyright©1995-2019SAMSUNG.Allrightsreserved.3

ExplodedViewsandPartsList
LevelLoc.PartCodeDescription&SpecicationQty.SA/SNA
.2BN96-39820GFFCCABLE;40NU7100,Fold,L500,96P ,-1SA
.2BN96-39821EFFCCABLE;40NU7100,Fold,L350,96P ,-1SA
.2BN96-48730AASSYBOARDP-FUNCTIONTACT;Y19VNBCarbo1SA
1M0017BN91-20948EASSYCHASSIS;URU7100H1SNA
.2M0014BN94-14173EASSYPCBMAIN;URU7100H1SA
..3BN62-00834DHEATSINK-PS;Muse-LBuilt-In,A1050,T1.5,1SNA
..3BN68-05458ALABEL-BARCODE;ALL,ART,W45,L12,BLACK,WHIT1SNA
..3BN97-00029SASSYDRM;Muse-LBuilt-In,ISDB,NagSam,MA1SNA
...4BN46-00109HKEYCODE-CERTIFICA TION;MAC,TV/A V ,General1SNA
...4BN46-00110PKEYCODE-CERTIFICATION;MIRACAST(HDCP2.2)1SNA
...4BN46-00972AKEYCODE;Muse-LBuilt-In,NagraCSCData,1SNA
..3BN97-00029YASSYMICOM;TCONDA TA,RU7K,43"BOE1SNA
...4BN46-00977AS/WMICOM;R43B6U1F20,RU7K1SNA
..3BN97-15622EASSYSMD;URU7100H1SNA
...40202-001830SOLDER-CREAM;LFM-48WTM-HP ,D20~38um,96.54SNA
...4DS01A0401-001056DIODE-SWITCHING;MMBD4148SE,100V ,200mA,SO1SA
...40403-001783DIODE-ZENER;BZB84-C6V2,5.8~6.6V ,300mW,SO3SNA
...40403-002014DIODE-ZENER;KDZ16B,16.2~18.3V ,1000mW,SOD1SNA
...40404-001404DIODE-SCHOTTKY;BAT721C,40V ,200mA,SOT -23,2SA
...40404-001640DIODE-SCHOTTKY;SS1060HEWS,60V ,1000mA,SOD2SA
...40404-001953DIODE-SCHOTTKY;MBRA340F-HAF,40V ,3000mA,S3SA
...40404-001976DIODE-SCHOTTKY;SV540,40V ,5000mA,TO-277,T1SA
...40406-001200DIODE-TVS;RClamp0504F,6V ,1MA V ,TP4SA
...40406-001718DIODE-TVS;SMF36A,40V ,44.2V ,3.8MA V ,1.25VP1SA
...40406-001778DIODE-TVS;PUSB3FR4,6V ,9V ,0.2MA V ,0.7VPA,07SA
...40406-001786DIODE-TVS;PJEC5V0V6TM,5V ,7V ,8V ,0.1MA V ,9V1SA
...40501-000445TR-SMALLSIGNAL;KTC3875S-Y ,NPN,150mW,SOT4SA
...40501-000462TR-SMALLSIGNAL;MMBT2907A,PNP ,350mW,SOT-2SA
...40504-000126TR-DIGITAL;KSR1101,NPN,200mW,4.7K/4.7K,S1SA
...40505-002560FET-SILICON;AO6415,P,20V ,-3.3A,0.15ohm,11SA
...40505-002598FET-SILICON;AP2317GN,P,20V ,-4.2A,0.052oh1SA
...40505-002660FET-SILICON;Si2308BDS,N,60V ,2.3A,0.156oh1SA
...40505-002893FET-SILICON;AO4801AS,P,30V ,-5A,2W ,SOIC-81SA
...40505-003205FET-SILICON;DMG4435SSS-13,P,30V ,-7.3A,1.1SA
...40505-003391FET-SILICON;AOD2922,N,100V ,8A,140Mohm,181SA
...40505-003397FET-SILICON;2N7002K,N,60V ,0.38A,1.19ohm,2SA
...40505-003752FET-SILICON;PJL9409,P,30V ,50A,0.035ohm,31SNA
...41103-001584IC-EEPROM;M24512-DFMN6TP,512Kbit,64Kx81SNA
...41105-002853IC-DDR3SDRAM;K4B4G1646E-BCNB,DDR32133,1SA
...41105-002882IC-DDR4SDRAM;K4F8E304HB-MGCJ,LPDDR4-SDR1SA
4Copyright©1995-2019SAMSUNG.Allrightsreserved.

ExplodedViewsandPartsList
LevelLoc.PartCodeDescription&SpecicationQty.SA/SNA
...41201-004117IC-AUDIOAMP;TAS5749M,QFP ,48P ,7x7x1mm,DU1SA
...41201-004217IC-OPAMP;TLV9062,SOP ,ST,8P ,DUAL,PLASTIC1SA
...41203-008777IC-DC/DCCONVERTER;TPS563201,SOT-23,6,1.2SA
...41203-009067IC-DC/DCCONVERTER;TPS564201,SOT-23,6P,31SA
...41203-009186IC-POSI.ADJUSTREG.;TLV759P01PDRVR,TP ,6P2SA
...41203-009188IC-VOL.DETECTOR;G623F11U,TP ,8P ,4.9x6x1.1SA
...41203-009196IC-DC/DCCONVERTER;TPS565201,SOT-23-THIN1SA
...41203-009206IC-DC/DCCONVERTER;AOZ2255LQI-30,QFN-22L1SA
...41203-009208IC-DC/DCCONVERTER;VPMSSM,QFN,72P,8x8x0.1SA
...41204-003779IC-DECODER;SDP1804,FCBGA,794P,27x27x1.791SA
...41205-004692IC-SWITCH;TPS2069CDBVR,SOT-23,5P,2.9x2.82SA
...41205-005749IC-SWITCH;G2897KD1U,TDFN2X3-14,14P,2x3mm1SA
...41404-001731THERMISTOR-NTC;33Kohm,4050K,1MWC,TP,1.6x1SNA
...41405-001232V ARISTOR;6.4V ,5.6VDC,30A,1608,TP ,19V ,2001SNA
...41405-001271V ARISTOR;35V ,20VDC,5A,1005,TP ,100V ,10pF18SA
...41405-001306V ARISTOR;11VDC,45A,1608,TP ,50V ,40pF1SA
...41405-001381V ARISTOR;11V ,8VDC,30A,1608,TP ,25V ,500pF3SA
...41405-001382V ARISTOR;24.5V ,16VDC,120A,2012,TP ,42V ,402SA
...41405-001452V ARISTOR;15V ,12VDC,8A,1608,TP ,46V ,18pF6SA
...42007-000052R-CHIP;10Kohm,1%,1/10W,TP,16081SA
...42007-000066R-CHIP;20Kohm,1%,1/10W,TP,16081SA
...42007-000070R-CHIP;0ohm,5%,1/10W,TP,1608,T0.4510SA
...42007-000138R-CHIP;100ohm,5%,1/16W,TP,1005,T0.351SA
...42007-000141R-CHIP;2.2Kohm,5%,1/16W,TP,1005,T0.351SA
...42007-000171R-CHIP;0ohm,5%,1/16W,TP,1005,T0.3531SNA
...42007-000772R-CHIP;33Kohm,1%,1/10W,TP,16081SA
...42007-000779R-CHIP;33ohm,1%,1/10W,TP,16088SNA
...42007-000932R-CHIP;470ohm,5%,1/16W,TP,1005,T0.353SA
...42007-000979R-CHIP;5.6Kohm,1%,1/10W,TP,16081SA
...42007-001125R-CHIP;68Kohm,1%,1/10W,TP ,16081SA
...42007-001288R-CHIP;18ohm,5%,1/16W,TP,1005,T0.354SA
...42007-001292R-CHIP;33ohm,5%,1/16W,TP,1005,T0.353SA
...42007-001298R-CHIP;51ohm,5%,1/16W,TP,1005,T0.354SA
...42007-002899R-CHIP;10ohm,1%,1/10W,TP,160818SA
...42007-002906R-CHIP;200Kohm,1%,1/10W,TP,16081SA
...42007-007107R-CHIP;100Kohm,1%,1/16W,TP,1005,T0.35,-13SA
...42007-007132R-CHIP;15Kohm,1%,1/16W,TP,1005,T0.353SA
...42007-007136R-CHIP;4.7Kohm,1%,1/16W,TP,1005,T0.3540SA
...42007-007137R-CHIP;1.2Kohm,1%,1/16W,TP,1005,T0.354SA
...42007-007138R-CHIP;27Kohm,1%,1/16W,TP,1005,T0.352SA
Copyright©1995-2019SAMSUNG.Allrightsreserved.5

ExplodedViewsandPartsList
LevelLoc.PartCodeDescription&SpecicationQty.SA/SNA
...42007-007139R-CHIP;47Kohm,1%,1/16W,TP,1005,T0.358SA
...42007-007142R-CHIP;10Kohm,1%,1/16W,TP,1005,T0.3528SA
...42007-007306R-CHIP;100ohm,1%,1/16W,TP,1005,T0.3514SA
...42007-007308R-CHIP;33Kohm,1%,1/16W,TP,1005,T0.351SA
...42007-007309R-CHIP;12Kohm,1%,1/16W,TP,1005,T0.352SA
...42007-007310R-CHIP;8.2Kohm,1%,1/16W,TP,1005,T0.352SA
...42007-007311R-CHIP;22Kohm,1%,1/16W,TP ,1005,T0.352SA
...42007-007312R-CHIP;20Kohm,1%,1/16W,TP,1005,T0.3510SA
...42007-007313R-CHIP;6.8Kohm,1%,1/16W,TP,1005,T0.355SA
...42007-007316R-CHIP;3.3Kohm,1%,1/16W,TP,1005,T0.351SNA
...42007-007318R-CHIP;1Kohm,1%,1/16W,TP,1005,T0.3524SNA
...42007-007517R-CHIP;240ohm,1%,1/16W,TP,1005,T0.354SNA
...42007-007520R-CHIP;20ohm,1%,1/10W,TP,16081SA
...42007-007528R-CHIP;1.5Kohm,1%,1/16W,TP,1005,T0.351SA
...42007-007588R-CHIP;1.8Kohm,1%,1/16W,TP,1005,T0.31SA
...42007-007736R-CHIP;510Kohm,1%,1/10W,TP,16081SA
...42007-007766R-CHIP;2Kohm,1%,1/16W,TP,1005,T0.3516SA
...42007-007767R-CHIP;200ohm,1%,1/16W,TP,10054SA
...42007-007791R-CHIP;9.1Kohm,1%,1/16W,TP,1005,T0.351SNA
...42007-007798R-CHIP;10ohm,1%,1/16W,TP,1005,T0.3511SA
...42007-007992R-CHIP;1ohm,1%,1/10W,TP,16083SA
...42007-008015R-CHIP;75ohm,1%,1/16W,TP,1005,T0.356SNA
...42007-008294R-CHIP;33ohm,1%,1/16W,TP,1005,T0.3516SA
...42007-008298R-CHIP;49.9ohm,1%,1/16W,TP,1005,T0.355SA
...42007-008596R-CHIP;0.1ohm,1%,1/4W,TP,32163SC
...42007-009322R-CHIP;1.3Kohm,1%,1/16W,TP,10051SA
...42011-001264R-NETWORK;10ohm,5%,1/16W,L,CHIP ,8P ,TP ,2.9SNA
...42011-001448R-NETWORK;10ohm,5%,1/16W,L,4P ,TP ,1.0x1.02SA
...42011-001587R-NETWORK;100ohm,5%,1/16W,L,CHIP ,4P ,TP ,12SA
...4AD4802203-000233C-CER,CHIP;0.1nF,5%,50V ,C0G,TP ,1005,T0.55SNA
...4AD4802203-000278C-CER,CHIP;0.01nF,0.5pF,50V ,C0G,TP ,10052SA
...4AD4802203-000359C-CER,CHIP;0.15nF,5%,50V ,C0G,TP ,1005,T0.5SA
...4AD4802203-000425C-CER,CHIP;0.018nF,5%,50V ,C0G,TP ,10051SA
...4AD4802203-000438C-CER,CHIP;1nF,10%,50V ,X7R,TP ,10056SA
...4AD4802203-000489C-CER,CHIP;2.2nF,10%,50V ,X7R,TP ,10052SA
...4AD4802203-000812C-CER,CHIP;0.033nF,5%,50V ,C0G,TP ,10053SA
...4AD4802203-000940C-CER,CHIP;0.47nF,10%,50V ,X7R,TP ,1005,T02SNA
...4AD4802203-001072C-CER,CHIP;0.056nF,5%,50V ,C0G,TP ,10051SA
...4AD4802203-002285C-CER,CHIP;10nF,10%,50V ,X7R,TP ,10057SNA
...4AD4802203-002525C-CER,CHIP;0.56nF,10%,50V ,X7R,TP ,10051SA
6Copyright©1995-2019SAMSUNG.Allrightsreserved.

ExplodedViewsandPartsList
LevelLoc.PartCodeDescription&SpecicationQty.SA/SNA
...4AD4802203-005057C-CER,CHIP;0.0082nF,0.25pF,50V ,C0G,TP ,102SA
...4AD4802203-005083C-CER,CHIP;220nF,10%,50V ,X7R,TP ,1608,T0.6SNA
...4AD4802203-005249C-CER,CHIP;100nF,10%,50V ,X7R,TP ,16085SA
...4AD4802203-005642C-CER,CHIP;0.22nF,5%,50V ,C0G,TP ,1005,T0.3SA
...4AD4802203-005968C-CER,CHIP;4.7nF,10%,50V ,X7R,TP ,1005,T0.2SNA
...4AD4802203-006048C-CER,CHIP;100nF,10%,10V ,X7R,TP ,1005,T0.3SNA
...4AD4802203-006126C-CER,CHIP;47nF,10%,16V ,X7R,TP ,1005,T0.53SNA
...4AD4802203-006158C-CER,CHIP;100nF,10%,16V ,X7R,TP ,1005,T0.92SA
...4AD4802203-006562C-CER,CHIP;1000nF,10%,10V ,X5R,TP ,1005,T019SA
...4AD4802203-006698C-CER,CHIP;1000nF,10%,25V ,X7R,TP ,1608,T07SA
...4AD4802203-006838C-CER,CHIP;2200nF,10%,6.3V ,X5R,TP ,10052SA
...4AD4802203-006844C-CER,CHIP;470nF,10%,10V ,X5R,TP ,10051SA
...4AD4802203-007176C-CER,CHIP;10000nF,10%,16V ,X5R,TP ,2012,T13SNA
...4AD4802203-007240C-CER,CHIP;22000nF,20%,6.3V ,X5R,TP ,1608,49SA
...4AD4802203-007269C-CER,CHIP;22000nF,20%,10V ,X5R,TP ,2012(213SA
...4AD4802203-007271C-CER,CHIP;2200nF,10%,10V ,X5R,TP ,1005,T09SNA
...4AD4802203-007306C-CER,CHIP;10000nF,10%,25V ,X5R,TP ,2012,T21SNA
...4AD4802203-007393C-CER,CHIP;4700nF,10%,10V ,X5R,TP ,1005,T023SNA
...4AD4802203-007423C-CER,CHIP;10000nF,10%,35V ,X7R,TP ,32164SA
...4AD4802203-007544C-CER,CHIP;100nF,10%,50V ,X7R,TP ,1005,T0.9SA
...4AD4802203-007795C-CER,CHIP;10000nF,20%,10V ,X5R,TP ,1005,T23SA
...4AD4802203-008096C-CER,CHIP;2200nF,10%,50V ,X5R,TP ,2012,1.1SA
...4AD4802203-008315C-CER,CHIP;22000nF,20%,25V ,X5R,TP ,2012,T8SA
...4AD4802203-008412C-CER,CHIP;4700nF,10%,50V ,X5R,TP ,2012,T11SNA
...42402-001268C-AL,SMD;100uF,20%,25V ,WT,TP ,8x6.3mm1SA
...42409-001240C-ORGANIC,SMD;33uF,20%,25V ,LR,TP ,7343(1.1SA
...42703-000213INDUCTOR-SMD;470nH,10%,1.35Ohm,35mA,15,M1SA
...42703-002269INDUCTOR-SMD;56nH,5%,1005,T0.5,1.4Ohm,153SA
...42703-003747INDUCTOR-SMD;22uH,20%,6060,0.135ohm,13002SA
...42703-003862INDUCTOR-SMD;10uH,20%,6060,0.065ohm,19004SA
...42703-004724INDUCTOR-SMD;8.2uH,20%,5050,T4,0.072Ohm,4SA
...42703-005191INDUCTOR-SMD;1.5uH,20%,6060,T4.5,0.02Ohm2SA
...42703-005193INDUCTOR-SMD;2.2uH,20%,6060,T4.5,0.024Oh2SA
...42703-005376INDUCTOR-SMD;10uH,20%,10.7x10mm,T3.8,0.01SA
...42703-005715INDUCTOR-SMD;820nH,20%,11x10mm,T3.8,0.001SNA
...42801-004021CRYSTAL-SMD;24.576MHz,20ppm,28-AAN,12pF,1SA
...43301-001364BEAD-SMD;1000ohm,1608,TP,1085ohm/108MHz,2SNA
...43301-002039BEAD-SMD;26ohm,1608,TP33SA
...43601-001374FUSE-SURFACEMOUNT;32V ,5A,FAST-ACTING,PL4SA
...43601-001376FUSE-SURFACEMOUNT;32V ,3A,FAST-ACTING,Hi1SA
Copyright©1995-2019SAMSUNG.Allrightsreserved.7

ExplodedViewsandPartsList
LevelLoc.PartCodeDescription&SpecicationQty.SA/SNA
...43701-001967CONNECTOR-HDMI;19P,A,FEMALE,AU,0.5mm,BLK3SA
...43707-001123CONNECTOR-OPTICAL;ANGLE,SPDIF,2.5PI1SA
...43708-003241CONNECTOR-FPC/FFC/PIC;96P,0.5mm,SMD-A,AU2SNA
...4EH013711-007803HEADER-BOARDTOCABLE;BOX,12P ,1R,1.25mm,1SA
...4EH013711-008098HEADER-BOARDTOCABLE;BOX,20P ,1R,1.25mm,1SNA
...4EH013711-008131HEADER-BOARDTOCABLE;BOX,4P ,1R,2.5mm,AN1SA
...4EH013711-008859HEADER-BOARDTOCABLE;BOX,12P ,2R,2mm,ANG1SA
...43722-003229JACK-MODULAR;8P/8C,Y ,STRAIGHT,NONE,AU,1P1SA
...43722-003457JACK-USB;4P/1C,NI,BLK,ANGLE,A,2.0,13.1x12SA
...4JACK
PIN
3722-003546JACK-PIN;5P,NI/SN,BLU/GRN/RED/WHT/YEL,SM1SA
...46302-001376GASKET-SMD;SMTGasket,Sn/CuplatedPI-Fi5SNA
...4BN40-00330ATUNER-DTVAIRCABLE;DTOS40EH7A,DVB-TC,381SA
...4BN41-02703APCB-MAIN;Muse-LBuilt-In,FR-4,4L,T1.6,1,1SNA
...4BN59-01313ANETWORK-WLANCLIENT;WCP731M,70x35x18.33m1SA
...4CB07BN61-13312BBRACKET-SCREWLESSPCB;55KS8000,SK5,T0.3,4SNA
...4BN97-00029LASSYMICOM;T-MSLUABC,RU7.1K,THGBMNG5D1LB1SNA
....51107-002644IC-EMMC;THGBMNG5D1LBAIT,4Gbyte,x1,BGA,151SNA
...4BN97-00029VASSYMICOM;TCONF/W,Muse-LBuilt-In,W25Q1SNA
....51107-002339IC-NORFLASH;W25Q80DV ,8Mbit,SOP ,5.28x5.21SNA
....5BN46-00975AS/WMICOM;Muse-LBuilt-In,TCONF/W1SNA
...4BN97-00029WASSYMICOM;MLMICOM_INTV ,Muse-LBuilt-In,1SNA
....51107-002226IC-NORFLASH;W25Q40CLSSIP,4Mbit,SOIC,8P,1SA
1BN92-24155CASSYLABELPOP;URU7100H1SNA
.2BN68-09637KLABELPOP-BEZEL;55RU7100,PET,T0.188,W1331SNA
1BN92-25132HASSYLABEL;URU7100H1SNA
.2BN02-00102BTAPE-SINGLEFACE;OPP,T0.15,W25,L50M,WHIT0SNA
.2BN68-06708GLABEL-RATING;Monitor,WW,PP ,T0.161,W93,L71SNA
.2BN68-09428DLABEL-ENERGY;UA43RU7100KXXV ,VIETNAM,PET1SNA
.2BN68-09502ALEAFLET-QUICKSETUPGUIDE;UA58RU7100S,OT1SNA
1BN92-25508QASSYBOX;URU7100H1SNA
.2BN68-07893ALABELBOX;ALL,THERMALPAPER,W60,L110,WHT1SNA
.2BN68-07943ALABELBOX;ALL,XXV ,ART,W100,L150,150g1SNA
.2BN69-19416GBOXUNIT;43RU7100,CB,DW2,F1,L1082,W136,H1SNA
1BN92-25514JASSYP/MA TERIAL;URU7100H1SNA
.26902-000379BAGAIR;LDPE,T0.13,W1000,L1800,TRP,Hole0SNA
.26902-000609BAGROLL;LDPE,T0.05,W2400,L1000,TRP ,RECY0SNA
.26902-002677BAGROLL;HDPE/HDPE/PEFOAM,T0.015/T0.5,W1SNA
.26922-000013BAND;PP,T0.8,W18,L2300M,TRP1SNA
.2BN02-00319ATAPE-SINGLEFACE;OPP,T0.05,W60,L800M,CLE1SNA
.2BN02-00319BTAPE-SINGLEFACE;OPP,T0.05,W75,L800M,CLE1SNA
8Copyright©1995-2019SAMSUNG.Allrightsreserved.

ExplodedViewsandPartsList
LevelLoc.PartCodeDescription&SpecicationQty.SA/SNA
.2BN69-11504AWRAPVINYL;LDPE,T0.018,W500,L10000,Trans4SNA
.2BN69-17053DPACKINGANGLE;ALL,PAPER,T3,W2000,L50,YEL0SNA
.2BN69-17553ACUSHION-SET;43UNU7100X,EPS,16.7g/l,WHITE1SNA
..3BN81-01918AA/S-RESIN;EPS,SG-3020SNA
1ACCE1BN92-25555HASSYACCESSORY;URU7100H1SNA
.2BN96-48853BASSYACCESSORYMANUALCABLE;URU7100H1SNA
..3T02683903-001118POWERCORD-DT;EUR,2P-F,250V ,2.5A,BLK,L151SA
..34301-000121BATTERY-MN;1.5V ,R03,10.5x44.5m,7.5g,AAA2SNA
..36902-001962BAGPE;LDPE,BIOBASED,T0.05,W400,L300,TRP1SNA
..3ANT04AA59-00853AMODULERF-SHIELDBOX;SGLBF-6B,PAL-BG,DK,1SA
..3BN59-01315DREMOCON-TV;2019TV ,SAMSUNG,44KEY ,3.0V ,WW1SA
..3T0527BN68-00513ALABEL-EPASS;ALLMODEL,WW ,YUPO,W50,L15,W1SNA
..3BN68-09529FMANUALUSERS;RU7100,XV ,VIETNAM,MOJO,0,11SNA
..3BN68-09535CLEAFLET-ACCESSORYKIT;URU7400G,XY&MR&HC&1SNA
..3EH03ABN96-43169AASSYHOLDERP-RING;65Q8C,ABS,BLACK,HB1SA
...46902-001404BAGPE;LDPE,T0.05,W80,L100,TRP,Bio.N1SNA
...4BN61-14912AHOLDER-WALLRING;55Q7F,ABS,T2,BLACK,HB,14SNA
1BN95-04777DPRODUCTLCD-BOE;CY -NN043HGEV8V/H,NU7100,1SA
.2SCREW6001-003016SCREW-MACHINE;PWH,+,M3,L5.0,ZPC(WHT),SWR4SA
.2CB18BN61-15469ABRACKET-STANDLINK;43UNU7100X,EGI-SECC,T2SA
..3BN61-15975ASTUD-PEM;65NU7100,SUM24L,T0.5,L8,HEAD7m4SNA
.2M0131BN63-00520AGASKET-EMI;APPOLO_PAL,ConductiveFabric,2SNA
.2BN68-05722ALABEL-EPASS;POL YPROPYLENE,NON-COA TING1SNA
.2BN90-09701BASSYBACKLIGHTUNIT;43UNU7100X1SNA
..3BN61-15651AOPTICALSHEET-COMPLEX;18Y_NU7K_43INCH_CO1SNA
..3BN61-15657ADIFFUSERPLATE;18Y_NU7K_43INCH_DIFFUSER1SNA
..3BN61-15663ALGP;18Y_NU7K_43INCH_LGP,MS,NewEdge(OD5mm1SNA
..3BN61-15701AOPTICALSHEET-REFLECTOR;18Y_NU7K_43INCH_1SNA
..3BN96-45678AASSYCHASSISREARP;43UNU7100X,EGI-SECC1SNA
...40203-007064TAPE-DOUBLEFACE;ACRYL,T0.2,W6,N/A,WHITE1SNA
...40204-007677COATING;TD18740C,4.0%,3.0cps,CLEAR,1.610SNA
...4BN02-00040BTAPEDOUBLEFACE;NNB32/40/46/55",PET,T01SNA
...4BN02-00102BTAPE-SINGLEFACE;OPP,T0.15,W25,L50M,WHIT0SNA
...4BN39-02392ALEADCONNECTOR-BLU;43NU7100,UL21016,4P ,L1SNA
...4BN60-01534ASPACER-PET;PET,689,BLACK,T0.3,W30SNA
...4CB20BN61-11982CBRACKET-WALL;65QNQ7FC,CR-SPCC,BLACK,M8,L4SNA
...4BN61-13557EBRACKET-WIRE;49KS7000,SW-C,T1,NATURAL,ZI2SA
...4BN61-13557LBRACKET-WIRE;40KU6400,SW-C,T1,NATURAL,ZI2SA
...4BN61-15482ABRACKET-LEDPCB;43UNU7100X,Al,T1,NA TURAL1SNA
...4BN61-15526AHOLDER-SOURCEPCB;65UNU7100X,ABS,BK0007,2SNA
Copyright©1995-2019SAMSUNG.Allrightsreserved.9

ExplodedViewsandPartsList
LevelLoc.PartCodeDescription&SpecicationQty.SA/SNA
....50103-004609RESINABS;HF-0680U,K21294,BK0007,HB,High2SNA
...4BN61-15531AHOLDER-LGPTOPRIGHT;65QNQ7FC,TPE,BK00201SNA
...4BN61-15532AHOLDER-LGPTOPLEFT;65QNQ7FC,TPE,BK0020,1SNA
...4BN61-15540AHOLDER-LGPBOTTOMLEFT;65QNQ7FC,TPE,BK001SNA
...4BN61-15541AHOLDER-LGPBOTTOMRIGHT;65QNQ7FC,TPE,BK01SNA
....50103-005041RESINPCABS;FR3200TV/901408,Black,BK0004SNA
....50103-010906RESINTPE;5202SP/5209B,BLACK,BK0020,HB,T4SNA
...4BN61-16491AFOOT;49NU7100,RUBBER,Gray,T18.7,T4.3,L14SA
...4BN63-17620AINSULATOR-SOURCEPCB;43UNU7100X,PET,BLAC1SNA
...4BN63-17622AINSULATOR-SMPS;40UNU7100X,PC,BLACK,L255,1SNA
...4CC04BN64-03995ACHASSIS-REAR;43UNU7100X,EGI-SECC,-,T0.5,1SNA
....5BN01-00554ASTEEL;43NU7100,EGI-SECC,L995,0.5mm,595mm1SNA
...4T0527BN68-00513ALABEL-EPASS;ALLMODEL,WW ,YUPO,W50,L15,W1SNA
...4BN96-45954AASSYLEDBARP;43inch_NU7100,ALUMINUM,NU2SA
..3BN96-45694AASSYFRAMEP-MIDDLE;43UNU7100X,PC+GF10%,1SNA
...4BN02-00592ATAPEDOUBLEFACE;65UNU7090P,ACRYL,T0.64,2SNA
...4BN60-00715MSPACER-CONDUCTIVE;65UNU7100X,CONDUCTIVE2SNA
...4BN60-01604ASPACER-FOAM;NU7K,PUFOAM,L50,WHITE,T0.8,3SNA
...4BN60-01605ASPACER-FOAM;NU7K,HRFOAM,L50,DARKGRA Y ,T1SNA
...4BN61-15630AFRAME-MIDDLE;43UNU7100X,PC+GF10%,V-2,WT01SNA
....50103-010237RESINPC;LS-3104G/W95265,White,WT0044,V-175SNA
.2BN96-45659DASSYCHASSISFRONTP;43UNU7100X,PC+ABS+E1SNA
..3BN60-00715CSPACER-CONDUCTIVE;Y13SlimF-LED76,COND4SNA
..3BN60-01620ASPACER-CONDUCTIVE;NU7100,CONDUCTIVEFABR3SNA
..3AC155BN64-03982ACHASSIS-FRONT;43UNU7100X,PC+ABS+ED18%,V-1SNA
...40103-010808RESINPCABS;NH-1210/K21294,BLACK,BK0007256SNA
...4BN63-17418CSHEET-PROTECTIONCOVER;NU7K,PO,T0.05,W303SNA
...4BN63-17876ASHEET-PROTECTIONCOVER;PO,T0.05,W9,L100,0SNA
.2BN96-45683AASSYCOVERP-SOURCEPCB;43UNU7100X,EGI-S1SNA
..3BN63-17459ACOVER-SOURCEPCB;43UNU7100X,EGI-SECC,T0.1SNA
..3BN63-17632AINSULATOR-SOURCEPCBCOVER;43UNU7100X,PE1SNA
.2BN96-45714AASSYOPENCELL;BOE,43Inch,Y2018Newopne1SNA
..3BN81-16318AA/S-POLARIZER-TFT;POLARIZER-TFT,38-100411SNA
..3BN81-16319AA/S-POLARIZER-C/F;POLARIZER-C/F,38-100411SNA
..3BN81-16320AA/S-ASSYPCB-SOURCERIGHT;ASSYPCB-SOURC1SNA
..3BN81-16321AA/S-ASSYPCB-SOURCELEFT;ASSYPCB-SOURCE1SNA
..3BN81-16322AA/S-ICDRIVERSOURCE;ICDRIVERSOURCE,471SNA
10Copyright©1995-2019SAMSUNG.Allrightsreserved.

3-1
3. Disassembly and Reassemble
3. Disassembly and Reassemble
This section of the service manual describes the disassembly and reassembly procedures for the LED TV.
CAUTION
Disconnect the LED TV from the powersource before disassembly.1.
Follow these directions carefully.2.
Use the Samsung Service tool to disassemble the cabinet.-
Recommend to use the Samsung Service tool•
Recommended Torque forCabinet/Stand screws : 10 ~12kgf-
A strength of Torque can be changed depending on the situation.•
Open Jigs
Please Use Lower Open Jig, for opening of Screwless rear cover.
BN81-12844A BN81-14946A BN81-14946B
3-1. Disassembly
Description & Screws Picture Description
1
Carefully position the TV so that the screen is
facing downwards.
Make sure to place the TV upon a soft•
cushion or any material that will prevent
damage to the screen.
2
Remove the screws connecting the stand to the
TV. Then carefully remove the stand.
Screws
6003-001907 X 4
SCREW-TAPTYPE : BH,+,S,M4, ZPC(BLK)
SET + STAND
•

3-2
3. Disassembly and Reassemble
Description & Screws Picture Description
3-1
Removing the 'ASSY REAR COVER'.
(Please follow 8 sequence on right.)
Ready to insert open jig1.
adjust jig edge to hole.
Rotate open jig to 90-degree.
3.
Insert hand and retain gap.5.
Insert open jig till red line.7.
Insert open jig till red line.2.
Lift jig to unlock wire hook4.
on bottom.
Take out jig and insert in
6.
side gap.
Disassemble Hooks of
8.
Cover Rear along the side.
3-2
Disassemble all Hooks of Cover Rear along the
three side.
Jig Direction
Jig Direction
Jig Direction

3-3
3. Disassembly and Reassemble
Description & Screws Picture Description
Locking tabs locations
43"•
Bottom : 6 point Locking
Top : 8 point Locking
L: 5 point Locking
R: 5 point Locking
Top Corner : 2 point (Snap Hook)
50"•
Bottom : 6 point Locking
Top :10 point Locking
L: 6 point Locking
R: 6 point Locking
Top Corner : 2 point (Snap Hook)
Side AV : 1 Point Locking
55"•
Bottom : 6 point Locking
Top :10 point Locking
L: 6 point Locking
R: 6 point Locking
Top Corner : 2 point (Snap Hook)
Side AV : 1 Point Locking

3-4
3. Disassembly and Reassemble
Description & Screws Picture Description
58"•
Bottom : 6 point Locking
Top :10 point Locking
L: 6 point Locking
R: 6 point Locking
Top Corner : 2 point (Snap Hook)
Side AV : 1 Point Locking
65"•
Bottom : 10 point Locking
Top :12 point Locking
L: 7 point Locking
R: 7 point Locking
Top Corner : 2 point (Snap Hook)
Side AV : 1 Point Locking
75"•
Bottom : 6 point Locking
Top : 14 point Locking
L: 8 point Locking
R: 8 point Locking
Top Corner : 2 point (Snap Hook)
Side AV : 1 Point Locking
SMPS : 1 Point Locking

3-5
3. Disassembly and Reassemble
Description & Screws Picture Description
3-3
Lift top side then pull back to remove the back
cover.
4
Remove the Electric tapes shown on the images.
• EMI Filament Tape (Dressing)
• Safety Tape(Dressing
NOTE
When assembling the TV, the•
electric tapes must be applied
on the same locations. Please
rememberto take a picture of where
thetapeswererstapplied.
5
Remove the Cables.
• LEAD CONNECTOR-POWER Cable
(SMPS - MAIN)
• FFC Cables
• ASSY SPEAKER P-FRONT Cable
• ASSY BOARD P-FUNCTION ONE KEY Cable
LEAD CONNECTOR-POWER Cables
FFC Cables
LEAD CONNECTOR-SUB ASSY Cable
ASSY SPEAKER P-FRONT Cable

3-6
3. Disassembly and Reassemble
Description & Screws Picture Description
6-1
Discharge Capacitors.
43"•
Before remove SMPS, Must discharge•
capacitors foryour safety.
Check discharge point(1st, 2nd block) and•
then, discharge with discharge-Jig.
A/S-DISCHARGE-JIG
BN81-16292A
Measurement point
Measurement point
<Before discharging> <After discharging>
LED ON LED OFF