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Samsung CM27001SDX/KMT Service Manual

Color television receiver
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COLOR TELEVISION RECEIVER
COLOR TELEVISION RECEIVER
Chassis :
KS1B(N)(REV.1)
Model :
CM27001SDX/KMT, CM27001SDS/KMT
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CONTENTS

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Summary of Contents for Samsung CM27001SDX/KMT

  • Page 1: Table Of Contents

    COLOR TELEVISION RECEIVER Chassis : KS1B(N)(REV.1) Model : CM27001SDX/KMT, CM27001SDS/KMT 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. SEP.2001 © Printed in Korea AA68-02135A...

  • 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 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

    Color Sub Carrier 42.18 Picture Tube: 29Inch 1.0R, +380MG 29 Inch A68QDN891X001 Power Requirements: AC 120V, 60Hz Antenna Input Impedance: VHF, UHF : Telescopic dipole antenna (75 ohm unbalanced type ) Speaker Impedance 8 ohm, 5W+5W (Dual Type) Samsung Electronics...
  • Page 8 SOUND-AMP (5W x 2CH) Philips TDA8944 IC602 KA5Q1265R POWER IC (STR) IC801S FIAIR CHILD CUSTOM REGULATOR (5V, 8V, 3.3V) IC802 KA7632 IC202 24C04 EEPROM PC801S TCET1108 / LTV817B PHOTO COUPLER SIF - IC IC101 U4468B TEMIC IC601 MSP3440G Sound Processor Micronas Samsung Electronics...
  • Page 9 MSP3440G(Pin 52) TRANSISTOR SAW-FILTER TRANSISTOR M3951M M9261M 2SD1651 UPC574J 2SD1650 2SD2499 KSC815-Y KA33V KSA614 KSA539-Y KSC5802 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 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. 3-3 Speaker Removal 1. Remove the speaker by pressing the tension rib. Samsung Electronics...
  • Page 13 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 14 MEMO Samsung Electronics...

  • Page 15: Alignment And Adjustment

    “VOLUME” keys ( Up or Down). The adjust- 6. Cancel the Adjustment Mode by re-pressing ment parameters are listed in the accompany- the “FACTORY” or “Power OFF” keys. ing table, and selected by pressing the CHAN- NEL keys ( Samsung Electronics...
  • Page 16 0 ~ 1 5 P e ak Whit e Limit t ing FIX (100%) 0 ~ 1 M at r ix USA FIX (Mono) Au t omat ic Gai n Cont r ol 0 ~ 6 3 (27) Samsung Electronics...
  • Page 17 AUDIO MUTE - Inital Language agter Factory Reset LANGUAGE ENGLISH - Hotel mode On/ Off HOTEL MODE - Bule Screen On/ Off without signal BULE SCREEN - SIF Option at Mono sound 2'nd SIF INTERNAL - V-CHIP On/Off V-CHIP Samsung Electronics...
  • Page 18 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 35 FL 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) Check/Replace Nornal 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 Troubleshooting 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 Samsung Electronics...

  • Page 27: Exploded View And Parts List

    Exploded View & Parts List 6. Exploded View & Parts List 6-1 CM27001SDX/KMT, CM27001SDS/KMT Code No Description;Specification Q’ty Remark AA92-00553D ASSY CABINET FRONT;CM27001SDS/KMT AA64-31148A CABINET-FRONT;683B,HIPS,-,-,-,V0,BLK,- AA64-02281A BADGE-BRAND;27V,AL FORGING,SILVER,C/MATH AA64-40472A WINDOW-REMOCON;-,683B,-,ABS,HB,LG 41338, AA64-10733A KNOB-POWER;683B,ABS,-,-,-,HB,BLK,-,- AA61-60003J SPRING-CS;-,SUS304,-,-,OD6,N7,OD6,-,-,-, KNOPOW AA65-30105A CLAMP-WIRE;ALL MODEL,NYLON 66,V2,-,NTR,1 AA64-40473A INDICATOR-LED;683B,PMMA,-,CLEAR,HB,-,-...

  • Page 28: Electrical Parts List

    Electrical Parts List 7. Electrical Parts List 7-1 CM27001SDX/KMT, CM27001SDS/KMT Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark ASSY PCB CHASSISPACK ..4 SF101S 2904-000287 FILTER-SAW AV;45.75MHz,SIP5K,ST,14dB,M/N ..4 SF103S 2904-001255 FILTER-SAW AV;45.75MHz,SIP5K,ST,12.2dB,M ..4 SW201 3404-001004 SWITCH-TACT;12V,50mA,160gf,8.4x22.7mm,SP AA93-00174A ASSY PCB CHASSISPACK;,KS1B,CM27001SDS/KM...
  • Page 29 ..5 DZ811 0403-000700 DIODE-ZENER;TZP33A,33V,31-35V,1W,DO-41,T ..5 C818 2201-000599 C-CERAMIC,DISC;0.56nF,10%,500V,Y5P,TP,5..5 DZ812 0403-000714 DIODE-ZENER;MTZJ3.3B,3.3V,3.32-3.53V,500 ..5 C819 2401-001998 C-AL;1000uF,20%,25V,GP,TP,10x20,5mm ..5 F801A 3602-000114 FUSE-HOLDER;-,-,30mohm ..5 C820 2201-000991 C-CERAMIC,DISC;0.56nF,10%,2kV,Y5P,TP,7.5 ..5 F801B 3602-000114 FUSE-HOLDER;-,-,30mohm ..5 C822 2401-000262 C-AL;100uF,20%,160V,HR,TP,16x25,7.5 ..5 FD801S 3601-001163 FUSE-AXIAL LEAD;125V,7A,-,EPOXY,2.4X7.1M S.N.A Samsung Electronics...
  • Page 30 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP,1.8X3.2MM ..5 R601 2001-000780 R-CARBON;470OHM,5%,1/8W,AA,TP,1.8X3.2MM ..5 R226 2001-000857 R-CARBON;560OHM,5%,1/8W,AA,TP,1.8X3.2MM ..5 R602 2001-000780 R-CARBON;470OHM,5%,1/8W,AA,TP,1.8X3.2MM ..5 R228 2001-000010 R-CARBON;68KOHM,5%,1/8W,AA,TP,1.8X3.2MM ..5 R603 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM ..5 R229 2001-000563 R-CARBON;27KOHM,5%,1/8W,AA,TP,1.8X3.2MM ..5 R604 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM ..5 R230 2001-000005 R-CARBON;390ohm,5%,1/8W,AA,TP,1.8x3.2mm ..5 R605 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM Samsung Electronics...
  • Page 31 AA03-00147A CRT COLOR;A68QDN891X001,29,1.0R,42.5%,+3 ..5 VX801S 1405-000152 VARISTOR;560V,2500A,14x8.5mm,TP ..5 X201 2801-003433 CRYSTAL-UNIT;12MHZ,30PPM,28-AAM,30PF,30O ..5 X601 2801-000186 CRYSTAL-UNIT;18.432MHz,25ppm,28-AAM,8pF, ASSY PACKING ..5 Z202 2903-000129 FILTER-CERAMIC;BR,4.5MHz,-,-,-,TP,- AA92-00445H ASSY PACKING;CM27001SDS/KMT ASSY CABINET(COM) AA68-01962A MANUAL USERS;,ENG,B5,W/P100(G),48PAGE,KS S.N.A AA92-00549D ASSY CABINET(COM);CM27001SDS/KMT S.N.A BACK AA60-00091J SPACER-FELT;-,FELT,330X10,-,-,BLK,T0.5,- S.N.A Samsung Electronics...
  • Page 32 Electrical Parts List Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark ASSY TBC WIRE(P) AA98-00192A ASSY TBC WIRE(P);-,29INCH,NTSC,2PWH-1P,K S.N.A REMOCON AA59-10111E REMOCON;,TM59,SZM386ET,24,G6671B,CURTISM Samsung Electronics...
  • Page 33 MEMO Samsung Electronics...

  • Page 34: 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 C-H 0 0 5 F M9261M A M P S/ W V I F SA W M3951M L A7845 U4468B...

  • Page 35: Wiring Diagram

    Wiring Diagram 9. Wiring Diagram 9-1 KS1B R- OUT G- OUT B- OUT R+ OUT R- OUT L+ OUT L- OUT VIDEO OUT VIDEO IN 180V SOUND L OUT SOUND R OUT HEAT SOUND L IN SOUND R IN Samsung Electronics...
  • Page 36 MEMO...

  • Page 37: Schematic Diagrams

    Schematic Diagrams 10. Schematic Diagrams 10-1 MAIN(1/3) TP01 TP02 TP03 TP04 TP12 TP07 TP11 TP05 TP04 TP03 TP05 TP06 TP10 TP06 TP08 TP09 TP07 TP08 TP02 TP01 TP09 TP10 TP11 TP12 : Power Line : Signal Line Samsung Electronics 10-1...
  • Page 38 Schematic Diagrams 10-2 MAIN(2/3) TP01 TP02 TP05 TP03 TP04 TP02 TP05 TP01 TP04 TP03 : Power Line : Signal Line 10-2 Samsung Electronics...
  • Page 39 Schematic Diagrams 10-3 MAIN(3/3) TP01 TP02 TP02 TP01 : Power Line : Signal Line Samsung Electronics 10-3...
  • Page 40 Schematic Diagrams 10-4 CRT 10-4 Samsung Electronics...

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