Samsung CS21K3DX/BWT Service Manual
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Samsung CS21K3DX/BWT Service Manual

Samsung CS21K3DX/BWT Service Manual

Color television receiver
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COLOR TELEVISION RECEIVER
COLOR TELEVISION RECEIVER
Chassis :
KS1B
Model :
CS21K3DX/BWT,VWT,NWT
CS21K2DX/BWT,VWT,NWT
1.
2.
3.
4.
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6.
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CONTENTS

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Summary of Contents for Samsung CS21K3DX/BWT

  • Page 1: Table Of Contents

    COLOR TELEVISION RECEIVER Chassis : KS1B Model : CS21K3DX/BWT,VWT,NWT CS21K2DX/BWT,VWT,NWT COLOR TELEVISION RECEIVER CONTENTS Precautions Specifications and IC Data Disassembly and Reassembly Alignment and Adjustment Troubleshooting Exploded View and Parts List Electrical Parts List Block Diagram Wiring Diagram Schematic Diagrams...
  • Page 2 ELECTRONICS © Samsung Electronics Co., Ltd. APR.2001 Printed in Korea 3KS1B-2101...

  • Page 3: Precautions

    Precautions 1. Precautions Follow these safety, servicing and ESD precautions to prevent damage and protect against potential hazards such as electrical shock and X-rays. 1-1 Safety Precautions 1. Be sure that all of the built-in protective devices are replaced. Restore any missing (READING SHOULD NOT BE ABOVE protective shields.
  • Page 4 14. Components, parts and wiring that appear to have overheated or that are otherwise damaged should be replaced with parts that meet the original specifications. Always determine the cause of damage or overheat- ing, and correct any potential hazards. Samsung Electronics...

  • Page 5: Servicing Precautions

    Precautions 1-2 Servicing Precautions Warning1: First read the “Safety Precautions” section of this manual. If some unforeseen circumstance creates a conflict between the servicing and safety precautions, always follow the safety precautions. Warning2: An electrolytic capacitor installed with the wrong polarity might explode. 1.
  • Page 6 4. Do not use freon-propelled chemicals. These unpackaged replacement ESDs. Motions such can generate electrical charges that damage as brushing clothes together, or lifting a foot ESDs. from a carpeted floor can generate enough static electricity to damage an ESD. Samsung Electronics...

  • Page 7: Specifications And Ic Data

    A51QDX991X101 Black stripe, 90 degree deflection Power Requirements: AC 100~240V, 50/60Hz Antenna Input Impedance: VHF, UHF : Telescopic dipole antenna (75 ohm unbalanced type ) Speaker Impedance 8 ohm, 5W+5W (Dual Type) 8 ohm, 3W (Monitor Type ) Samsung Electronics...
  • Page 8 SOUND-AMP (5W x 2CH) IC602 Philips SOUND-AMP (3W x 1CH) IC603 TDA8943 KA5Q1265R POWER IC (STR) IC801S CUSTOM REGULATOR (5V, 8V, 3.3V) IC802 KA7632 IC202 24C08/KS28C040 EEPROM PC801S TCET1108 / LTV817B PHOTO COUPLER SIF - IC IC101 U4468B TEMIC Samsung Electronics...
  • Page 9 U4468B(Pin 16) TRANSISTOR SAW-FILTER TRANSISTOR G3956M K9260M 2SD1651 UPC574J 2SD1650 2SD2499 KSC815-Y KA33V KSA614 KSA539-Y KSD5703Y BC548 KTC9014 E B C TRANSISTOR LA7845 TDA6107Q KA7632 KSR1012 KSR1010 KSR2010 KTD863-Y KSC2331-Y KTC3197 E C B Fig. 2-1 Semiconductor Base Diagrams Samsung Electronics...
  • Page 10 MEMO...

  • Page 11: Disassembly And Reassembly

    Disassembly and reassembly 3. Disassembly and Reassembly 3-1 Back Cover Removal 1. After removing the screws, press the tension rib and pull the cabinet backwards. 2. To reassemble, press the tension rib (see diagram). Samsung Electronics...
  • Page 12 2. Remove the Anode Cap from the CRT. 3. Remove the main board by pulling it with both hands. Warning: The FBT is charged with high voltage. Before removing the Anode Cap, discharge the voltage through one of the heat sinks on the main board. Samsung Electronics...

  • Page 13: Speaker Removal

    Disassembly and reassembly 3-3 Speaker Removal 1. Remove the speaker by pressing the tension rib. 1. Remove the screws. 2. Remove the speaker by pressing the tension rib. Samsung Electronics...
  • Page 14 Always lift the picture tube by grasping it firmly around the faceplate, (2) Never lift the tube by its neck. (3) Do not scratch the picture tube or apply excessive pressure. Fractures of the glass may cause an implosion. Samsung Electronics...

  • Page 15: Alignment And Adjustment

    “FACTORY” or “Power OFF” keys. 3. Access the Adjustment Mode by pressing the “VOLUME” keys ( Up or Down). The adjust- ment parameters are listed in the accompany- ing table, and selected by pressing the CHAN- NEL keys ( , ). Samsung Electronics...
  • Page 16 SE CAM - L V i s i o n I F L CO 0 ~ 1 T XP T T X P o s i t i o n 0 ~ 1 5 NOTE : PVS,PVA, PHS, parameters must be aligned using the 50Hz vertical-field rates. Samsung Electronics...
  • Page 17 Alignment and Adjustments 4-2-3 Option Bytes In the Service Mode, various can be selected via the Option Table. Example: Option Table : xx xx xx xx SYSTEM AUDIO MONO JACK ZOOM NOR/ZOOM/16:9 AUTO POWER 2nd SIF HOTEL MODE HIGH DEVIA Samsung Electronics...

  • Page 18: Other Adjustments

    7. Do not attempt to connect or disconnect any wires while the TV is turned on. Make sure that the power cord is disconnected before replacing any parts. 8. To protect against shock hazard, use an isola- tion transformer. Samsung Electronics...
  • Page 19 3. Use the P mode key (on the remote control) for the STANDARD picture. 4. Adjust the Screen VR (on the FBT) so that the voltage on the oscilloscope becomes 125+2.5V (See Fig. 4-1). 125 2.5V Fig. 4-1 Samsung Electronics...
  • Page 20 Mode with using CA100. See Fig. 4-4 Fig. 4-4 2. Adjust RG,BG so that the levels are suitable to each local area. (c) High-Light Adjustment 1. Set SCT to 50 FL (21” Flat) in the Factory Service Mode with using CA100. See Fig. 4-4 Samsung Electronics...
  • Page 21 8. Since the 4-pole magnets and 6-pole magnets lines in the center area of the screen. interact, the dot movement is complex (Fig. 4-5). RED/BLUE GREEN BLUE BLUE RED/BLUE GREEN 6-Pole Magnet Movement 4-Pole Magnet Movement Fig. 4-5 Center Convergence Adjustment Samsung Electronics...
  • Page 22 4. Fig. 4-7 4. Adjust with VSL (Vertical-Slope) so that the bottom margin of the picture is 4. Fig. 4-8 5. Adjust with HS (Horizontal Shift) so that the lion-head pattern and CRT centers are aligned. Samsung Electronics...

  • Page 23: Troubleshooting

    IC201 S Abnormal Normal Check the 12.5V-A Line Check the (33)Pin (H-Drive) of IC201S Abnormal Abnormal Check/Replace IC802 Check the Normal FD802S, IC801S or AC-Fuse Abnormal Check the 130V- A Line Check the Normal FBT,D808 Check / Replace Q401 Samsung Electronics...
  • Page 24 Abnormal Check the resistance of R512 Check/Replace Nornal R418,R513,D503 Replace Nornal R512 Check CRT and FBT Abnormal Check/Replace Check IC201S D407,FBT Pin 51,52,53 (R.G.B) Nornal Check/Replace IC201S Check IC201S Pin 49(V-GUARD) Pin50(IK) Abnormal Nornal Check CRT and FBT Samsung Electronics...
  • Page 25 Check IC201S IC602 Pin47(SIF) Pin32(SIF) Abnormal Check Normal R610,R611 Normal Check Check IC101,TUNER IC101,TUNER Check/Replace Abnormal Normal Replace Check IC601 IC201S IC610,R611 Abnormal Check FD801S Normal D805 Check Check/Replace Normal Replace B+ Line IC601 FD801S,D805 5V-B, 8V-B No Power Samsung Electronics...
  • Page 26 5-4 Horizontal Lines Appear or Screen Abnormal Check IC301 B+ 16V-C,-13.5V-C Normal Check R413,R414 D405,D406 Check IC201S Abnormal Pin 21,22 (VDN,VDP) Normal Check IC201S Check / Replace IC301 5-5 No TTX Abnormal Check/Replace Check IC201S IC201S Normal See No Video (Sound ok) Samsung Electronics...

  • Page 27: Exploded View And Parts List

    WINDOW REMOCON;29K3,PC,-,-,-,V0,VIOLET,- 1-13 6003-001026 SCREW-TAPTITE;RH,+,B,M4,L15,ZPC(BLK),SWR CF+WR 1-14 AA64-01437B KNOB CONTROL;21,29K3,ABS,G3676,SV012P,HB 1-15 6003-001026 SCREW-TAPTITE;RH,+,B,M4,L15,ZPC(BLK),SWR CF+KC 1-16 AA96-20109C ASSY-POWER,CORD;-,CP2/NO(4.0),H/C300,KKP AA03-00257A CRT COLOR;A51QDX991X101,380MG,1.85MH,18. AA65-00009B CLAMP-D,COIL;NYLON 66,V0,-,-,21A8,- AA60-10050R SCREW-ASSY;-,SWRCH18A,M5,L31.5,HH,+,WC,- CRT+CF 3704-001105 SOCKET-CRT;11P,20PI,26.5PI,NI,- AA64-01854C CABINET-BACK;21K3,HIPS V2,BLK AA60-10050T SCREW-TAPPING;-,SWRCH18A,M4,L20,RH,+,2S, CB+CF AA64-00892D INLAY BACK;D2,RCA4P,PS SHEET,T0.3,BLK,-, Samsung Electronics...
  • Page 28 AA96-00663A ASSY SPEAKER;-,8OHM,3W,3001-001020,300M/ 6003-001019 SCREW-TAPTITE;RH,+,B,M4,L12,ZPC(BLK),SWR SPK+CF AA64-01702B KNOB CONTROL;21K2,ABS,G3676,SV104M+W971, 6003-001019 SCREW-TAPTITE;RH,+,B,M4,L12,ZPC(BLK),SWR KC+CF 1-10 AA64-01694B WINDOW REMOCON;15K2,ACRYL,CLR 1-11 6003-001019 SCREW-TAPTITE;RH,+,B,M4,L12,ZPC(BLK),SWR WIN+CF AA03-00257A CRT COLOR;A51QDX991X101,380MG,1.85MH,18. AA65-00009B CLAMP-D,COIL;NYLON 66,V0,-,-,21A8,- AA60-10050R SCREW-ASSY;-,SWRCH18A,M5,L31.5,HH,+,WC,- 3704-001105 SOCKET-CRT;11P,20PI,26.5PI,NI,- AA64-01700B CABINET BACK;21K2,HIPS,V2,BLK AA60-10050T SCREW-TAPPING;-,SWRCH18A,M4,L20,RH,+,2S, CB+CF AA96-20109C ASSY-POWER,CORD;-,CP2/NO(4.0),H/C300,KKP Samsung Electronics...

  • Page 29: Electrical Parts List

    Description ; Specification Remark ASSY PCB MAIN(OPT) ...3 L808 AA27-00098A COIL CHOKE;-,-,24uH,10%,-,0.1,3.0A,DR10X ...3 LD201 AA96-00555A ASSY LED GUIDE;-,-,UEX-LD-030,GREEN S.N.A ...3 LX801S AA29-30002F FILTER-LINE NOISE;-,6mH,2.45A,-,- AA94-03660A ASSY PCB MAIN(OPT);CS21K3DX/BWT,KS1B,RUS ...3 NT802S 1404-001045 THERMISTOR-NTC;4.7ohm,15%,2900K,35.0mW,T ...3 PC801S 0604-001038 PHOTO-COUPLER;TR,130-260%,200mW,DIP-4,ST ..2 C/W AA65-30018A CLAMP-WIRE;NYLON-66,-,-,DATL-600,DONG-A, S.N.A ...3 PT801S...
  • Page 30 CORE-FERRITE BEAD;AA,3.5x1.0x6.0mm,1500, ..4 D302 0401-000005 DIODE-SWITCHING;1N4148,100V,200mA,DO-35, ..4 L304 3301-000287 CORE-FERRITE BEAD;AA,3.5x1.0x6.0mm,1500, ..4 D303 0402-000546 DIODE-RECTIFIER;TVR10G,400V,1.0A,DO-41,T ..4 L401 2701-000142 INDUCTOR-AXIAL;1uH,10%,2.5x3.4mm ..4 D401 0402-000493 DIODE-RECTIFIER;1R5GU41,400V,1.5A,DO-15L ..4 L402 3301-000287 CORE-FERRITE BEAD;AA,3.5x1.0x6.0mm,1500, ..4 D402 0402-001321 DIODE-RECTIFIER;1A4G,400,1A,R-1,TP ..4 L403 2901-000297 FILTER-EMI ON BOARD;-,3A,-,-,3.5x5,TP,- Samsung Electronics...
  • Page 31 2001-000472 R-CARBON;2.7KOHM,5%,1/8W,AA,TP,1.8X3.2M ..4 R804 2001-001150 R-CARBON(S);470KOHM,5%,1/2W,AA,TP,2.4X6..4 R268 2001-000241 R-CARBON;1.5KOHM,5%,1/8W,AA,TP,1.8X3.2M ..4 R805 2001-001086 R-CARBON(S);18KOHM,5%,1/2W,AA,TP,2.4X6.4 ..4 R269 2001-000005 R-CARBON;390ohm,5%,1/8W,AA,TP,1.8x3.2mm ..4 R806 2001-000019 R-CARBON(S);10OHM,5%,1/2W,AA,TP,2.4X6.4M ..4 R270 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM ..4 R807 2001-001170 R-CARBON(S);6.8OHM,5%,1/2W,AA,TP,2.4X6.4 ..4 R271 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM ..4 R808 2001-001170 R-CARBON(S);6.8OHM,5%,1/2W,AA,TP,2.4X6.4 Samsung Electronics...
  • Page 32 AA39-20010B LEAD CONNECTOR-ASSY;,1P,YFH800-01,S,500, ...3 0202-000187 SOLDER-WIRE FLUX;-,RS60S,D1.2,63Sn/37Pb S.N.A ASSY CRT ASSY ACCESSORY AA94-03559A ASSY CRT;A51QDX991X101,+380MG,21 INCH,I AA94-03661A ASSY ACCESSORY;CS21K3DX/BWT,KS1B,RUSSIA AA03-00257A CRT COLOR;A51QDX991X101,380MG,1.85MH,18. AA68-01503A MANUAL USERS;,RUS,W/P100(G),1,KS1B,32P,R AA68-01402A MANUAL-GOOD WILL LETTER;,CIS,B5,1PAGE,A/ S.N.A AA68-01120A MANUAL SERVICE;-,-,CIS,A4,6PAGE(FOLD),W/ ASSY CABINET FRONT AA42-00003A ANT ROD;-,3S,720mm,ABS,UL/CSA,- AA26-90001C TRANS-MATCHING;-,300ohm/75ohm,PAL,40-890 AA91-00590G ASSY CABINET FRONT;,21K3,(SPK)SV012P MPP...
  • Page 33 ...3 TU01S AA40-00067A TUNER;TAEL-G671D,-,PAL,181CH,38.9MHz ..4 C403 2201-000599 C-CERAMIC,DISC;0.56nF,10%,500V,Y5P,TP,5..3 V999S 3704-001105 SOCKET-CRT;11P,20PI,26.5PI,NI,- ..4 C404 2305-000382 C-FILM,MPEF;4.7nF,5%,400V,TP,-,5mm ...3 AA99-10217A ASSY-PCB MAIN,AUTO; AA99-30223B ,V S.N.A ..4 C405 2201-000639 C-CERAMIC,DISC;0.68nF,10%,2kV,Y5P,TP,9x5 ..4 C101 2401-000962 C-AL;22uF,20%,50V,GP,TP,5x11,5 ..4 C407 2401-002268 C-AL;2.2uF,20%,250V,LZ,TP,8X11,5 ..4 C102 2301-000383 C-FILM,PEF;10nF,5%,50V,TP,6x7x3.2mm,5mm Samsung Electronics...
  • Page 34 ..4 Q402 0502-001007 TR-POWER;KSC2073-H2,NPN,25W,TO-220,ST,6 ..4 DZ209 0403-000720 DIODE-ZENER;MTZJ9.1B,9.1V,8.57-9.01V,500 ..4 Q601 0501-000389 TR-SMALL SIGNAL;KSC815,NPN,400mW,TO-92,T ..4 DZ210 0403-000720 DIODE-ZENER;MTZJ9.1B,9.1V,8.57-9.01V,500 ..4 Q602 0501-000389 TR-SMALL SIGNAL;KSC815,NPN,400mW,TO-92,T ..4 DZ211 0403-000720 DIODE-ZENER;MTZJ9.1B,9.1V,8.57-9.01V,500 ..4 Q603 0501-000389 TR-SMALL SIGNAL;KSC815,NPN,400mW,TO-92,T ..4 DZ212 0403-000720 DIODE-ZENER;MTZJ9.1B,9.1V,8.57-9.01V,500 ..4 Q801 0502-000242 TR-POWER;KSA614,PNP,25W,TO-220,TP,40-24 Samsung Electronics...
  • Page 35 2001-000739 R-CARBON;4.7MOHM,5%,1/8W,AA,TP,1.8X3.2M ..4 SW202 3404-000244 SWITCH-TACT;15V,20mA,90-170gf,7.5x7mm,SP ..4 R301 2001-000258 R-CARBON;1.8KOHM,5%,1/8W,AA,TP,1.8X3.2M ..4 SW203 3404-000244 SWITCH-TACT;15V,20mA,90-170gf,7.5x7mm,SP ..4 R302 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM ..4 SW204 3404-000244 SWITCH-TACT;15V,20mA,90-170gf,7.5x7mm,SP ..4 R303 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP,1.8X3.2M ..4 SW205 3404-000244 SWITCH-TACT;15V,20mA,90-170gf,7.5x7mm,SP ..4 R304 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3.2MM ..4 SW206 3404-000244 SWITCH-TACT;15V,20mA,90-170gf,7.5x7mm,SP Samsung Electronics...
  • Page 36 AA65-00009B CLAMP-D,COIL;NYLON 66,V0,-,-,21A8,- S.N.A AA65-30008A CLAMP-CORD;PE,HB,BLK,-,-,- AA64-01700B CABINET BACK;21K2,HIPS,V2,BLK ASSY-POWER,CORD AA96-20109C ASSY-POWER,CORD;-,CP2/NO(4.0),H/C300,KKP 3811-000401 WIRE-PVC CU;BCWA,300V,ROLL,17/0.16mm,#22 S.N.A AA39-10006X POWER-CORD;-,KKP419C,KLCE-2F,2.286MT,3P, AA61-20284A HOLDER;-,P-CORD,PP,VO,BLK,KE-002 S.N.A ASSY ACCESSORY AA94-03661C ASSY ACCESSORY;CS21K2DX/NWT,KS1B,UKRAINA AA68-01504A MANUAL USERS;,N-RUS,W/P100(G),1,KS1B,32P AA68-01120A MANUAL SERVICE;-,-,CIS,A4,6PAGE(FOLD),W/ AA42-00003A ANT ROD;-,3S,720mm,ABS,UL/CSA,- AA26-90001C TRANS-MATCHING;-,300ohm/75ohm,PAL,40-890 REMOCON AA59-00198D REMOCON;,TM59,DREAM,24,L/GRAY,MONO,NON Samsung Electronics...

  • Page 37: Block Diagram

    Block Diagram 8. Block Diagram 8-1 KS1B T U NE R -F /S SI F SA W V E R T IC AL T A E L -G 6 7 1 D K9260M A M P S/ W V I F SA W G3956M L A7845 (Option)

  • Page 38: Wiring Diagram

    Wiring Diagram 9. Wiring Diagram 9-1 KS1B R- OUT G- OUT B- OUT VIDEO OUT VIDEO IN 180V SOUND L OUT SOUND R OUT HEAT SOUND L IN SOUND R IN Samsung Electronics...
  • Page 39 MEMO...

  • Page 40: Schematic Diagrams

    10-1 MAIN(1/3) TP01 TP02 TP03 TP04 TP05 TP06 TP13 TP07 TP12 TP15 TP11 TP05 TP04 TP03 TP06 TP10 TP08 TP07 TP08 TP09 TP09 TP14 TP02 TP01 TP10 TP11 TP12 TP13 TP14 TP15 : Power Line : Signal Line Samsung Electronics 10-1...
  • Page 41 Schematic Diagrams 10-2 MAIN(2/3) TP01 TP02 TP06 TP01 TP02 TP05 TP02 TP01 TP01 TP04 TP03 TP02 : Power Line : Signal Line 10-2 Samsung Electronics...
  • Page 42 Schematic Diagrams 10-3 MAIN(3/3) TP01 TP02 TP02 TP01 : Power Line : Signal Line Samsung Electronics 10-3...
  • Page 43 Schematic Diagrams 10-4 POWER 10-4 Samsung Electronics...
  • Page 44 www.s-manuals.com...

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