Samsung CM19001X/KMT Service Manual
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Samsung CM19001X/KMT Service Manual

Samsung CM19001X/KMT Service Manual

Color television receiver
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COLOR TELEVISION RECEIVER
COLOR TELEVISION RECEIVER
Chassis :
K15A
Model :
CM19001X/KMT
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CONTENTS

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Summary of Contents for Samsung CM19001X/KMT

  • Page 1: Table Of Contents

    COLOR TELEVISION RECEIVER Chassis : K15A Model : CM19001X/KMT COLOR TELEVISION RECEIVER CONTENTS Precautions Specifications Disassembly and Reassembly Alignment and Adjustments Troubleshooting Exploded Views and Parts List Electric Parts List Block Diagram PCB Layout Wiring Diagrams Schematic Diagrams...
  • Page 2 ELECTRONICS © Samsung Electronics Co., Ltd.DEC. 2001 Printed in Korea AA81-00063A...

  • Page 3: Precautions

    The current measured should the XÐray Protection Specifications Label, and not exceed 0.5 milliamp. Reverse the power- the Product Safety and X-ray Warning Note on plug prongs in the AC outlet and repeat the the service data schematic. test. Samsung Electronics...
  • 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 Make sure that the portion around the serviced part has not been damaged. 8. Always connect a test instrumentÕs ground lead to the instrument chassis ground before connecting the positive lead; always remove the instrumentÕs ground lead last. Samsung Electronics...
  • 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

    75 ohm UNBALANCED TYPE FOR VHF/UHF Intermediate Frequency PICTURE 45.75MHz, SOUND 41.25MHz, COLOR SUB CARRIER 42.17MHz Speaker Impedance Single: 8 ohm 3W Dual : 8 ohm 3W x 2 Dual : 16 ohm , 3W x 2 (CT-33H1, CT-50H1) Samsung Electronics...

  • Page 8: Disassembly And Reassembly

    Disassembly and Reassembly 3. Disassembly and Reassembly 3-1 Back Cover Removeal Fig. 3-1 1. After removing the screws, pull the cabinet backwards. Samsung Electronics...
  • Page 9 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 10 Disassembly and Reassembly 3-3 Speaker Removal 1. Loosen the screws and remove the speakers. Fig. 3-4 Samsung Electronics...
  • Page 11 (1) Always lift the picture tube by grasping it firmly around the face- plate, (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 12: Alignment And Adjustments

    SVC : MUTE Return to the Factory mode via the MENU Select a mode to be adjusted, using the chan- key. nel down key. Example: VCO. ADJUSTMENT PATTERN OPTION RESET Press POWER to enter the Stand-by mode. SVC : MUTE Samsung Electronics...
  • Page 13 VERTICAL SIZE Adjustment 0~63 Press volume + key. 14 VS VERTICAL CENTER Adjustment POWER 15 HS HORIZONTAL Phase Adjustment 0~31 16 SS SUB-SHARPNESS Adjustment 0~31 Note : The initial MICOM data values take effect when IC902 is replaced. Samsung Electronics...
  • Page 14 5. To recover picture and sound, temporarily turn off the TV and allow the failsafe circuit more than 30 seconds to reset. Then switch power ON to produce normal picture and sound. Samsung Electronics...
  • Page 15 2.4V 0.1Vpp 4-2-9 Sub-Tint Adjustment Input a rainbow pattern. Check CN201 B-OUT with an oscilloscope. 3. Adjust STT in the service mode until the 6th peak is the highest and the 5th and 7th peaks have equal heights. Samsung Electronics...
  • Page 16 3. Recheck in low light. 4-2-12 Sub-Brightness Adjustment 1. Input a Toshiba pattern. 2. Warm up the receiver for 10 minutes. 3. Enter the Service Mode and set SB to the point where the 5th point is brighter in the gray scale. Samsung Electronics...
  • Page 17 MEMO Samsung Electronics...

  • Page 18: Troubleshooting

    Abnormal Check Abnormal (0 ~ 15V) IC801 Pin 3 B + . Check/Replace Normal (15~20V) D806, Q401, Q801, D802, D814* Normal (0.5 ~ 3V) Abnormal (0V) Check IC801* Pin 4 Voltage Check/Replace Check/Replace DZ802, DZ803, D806 PC802, DZ807 Samsung Electronics...
  • Page 19 IC602 Pins 4. Abnormal Check Normal Waveform of IC201 Check Pin 1. Normal (approx. 12V) Voltage of IC601 and IC602 Pin 5. Abnormal Abnormal Check Volume SIF (L201). Replace IC601 Check Power and IC602. 12V Line Voltage. Check/Replace IC201. Samsung Electronics...
  • Page 20 24V-C Voltage. Check Check Abnormal FBT Pin 2 (24V) Waveform of IC201 Oscillation. Pins 22,24. Normal Check Whether a horizontal line appears in Normal Check R409 Check/Replace the service mode.. Open. FBT. Open Check/Replace Check/Replace Check/Replace R409. IC301. IC201. Samsung Electronics...
  • Page 21 Check Abnormal IC201 Pin 47 Normal (1Vp-p) waveform level. Check Normal (2Vp-p) Abnormal IC201 Pins 19,20, 21 waveform level. Check IC201 Pin 37 waveform Normal (3~5Vp-p) level. Check CRT PCB (180V) Replace IC201. and heater Voltages. Normal (1Vp-p) Samsung Electronics...

  • Page 22: Exploded Views And Parts List

    Exploded Views & Parts List 6. Exploded Views & Parts List 6-1 CM19001X/KMT Code No Description;Specification Q’ty Remark AA92-30161J ASSY-CABINET,FRONT;CM19001X,20F2R1-HIPS A/FRNT AA64-00150B CABINET-FRONT;-,20R1,BK708P EGH,HIPS,VO, BADGE BRAND BADGE KNOB POWER SPRING-CS SPRING AA61-40113A STOPPER-PCB;-,ABS,HB,NTR. STOPER AA65-30018A CLAMP-WIRE;-,NYLON6.6,-,-,DATL CLW/HS INDICATOR-LED WINDOW REMOCON...
  • Page 23 MEMO Samsung Electronics...

  • Page 24: Electric Parts List

    Loc. No. Code No. Description ; Specification Remark ASSY-PCB,MAIN(COM) D809 0402-001111 DIODE-RECTIFIER;1N5397GP,600V,1.5A,DO-20 D808 0402-001111 DIODE-RECTIFIER;1N5397GP,600V,1.5A,DO-20 D807 0402-001111 DIODE-RECTIFIER;1N5397GP,600V,1.5A,DO-20 A/MAIN AA94-10133T ASSY-PCB,MAIN(COM);CM19001X/KMT D805 0402-001111 DIODE-RECTIFIER;1N5397GP,600V,1.5A,DO-20 D814 0402-000534 DIODE-RECTIFIER;RG10V,400V,1.5 A/SUBM AA97-01633A ASSY-SUB MATERIAL;SOLVENTES Y SOLDADURAS D802 0402-000540 DIODE-RECTIFIER;RU20A,600V,1.5 0204-000442 SOLVENT;CH3-CH5H-CH396%IM-1000 D803 0402-001105 DIODE-RECTIFIER;ERB43-04SV1,40...
  • Page 25 Electric Parts List Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark R903 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, R401 2001-000780 R-CARBON;470ohm,5%,1/8W,AA,TP,1.8x3.2mm R904 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, R223 2001-000780 R-CARBON;470ohm,5%,1/8W,AA,TP,1.8x3.2mm R922 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, R154 2001-000780 R-CARBON;470ohm,5%,1/8W,AA,TP,1.8x3.2mm R923 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, R603 2001-000786 R-CARBON;47KOHM,5%,1/8W,AA,TP,...
  • Page 26 Electric Parts List Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark C411 2201-000556 C-CERAMIC,DISC;470PF,10%,500V, C102 2401-000660 C-ELECTROLYTIC;CE04WTAPG50V2.2 C408 2201-000556 C-CERAMIC,DISC;470PF,10%,500V, C110 2401-002594 C-AL;220uF,20%,16V,GP,TP,8x11.5,5 C406 2201-000556 C-CERAMIC,DISC;470PF,10%,500V, C412 2401-000927 C-AL;22UF,20%,250V,GP,13X20MM, C302 2201-000556 C-CERAMIC,DISC;470PF,10%,500V, C914A 2401-000962 C-AL;22uF,20%,50V,GP,TP,5x11,5...
  • Page 27 Electric Parts List Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark J117 3812-000219 WIRE-SO,COPPER;TA0.6SN/52M/M(A J087 3812-000219 WIRE-SO,COPPER;TA0.6SN/52M/M(A J115 3812-000219 WIRE-SO,COPPER;TA0.6SN/52M/M(A J109 3812-000219 WIRE-SO,COPPER;TA0.6SN/52M/M(A J114 3812-000219 WIRE-SO,COPPER;TA0.6SN/52M/M(A J108 3812-000219 WIRE-SO,COPPER;TA0.6SN/52M/M(A J113 3812-000219 WIRE-SO,COPPER;TA0.6SN/52M/M(A J107 3812-000219 WIRE-SO,COPPER;TA0.6SN/52M/M(A...
  • Page 28 SW906 3404-000295 SW-TACT,V;KPT1122R1KEYSTT=0.3M P801 1404-001156 THERMISTOR-PTC;9OHM,+30%/-20%,220VRMS,27 ASSY-ACCESSORY NT801 1404-001045 THERMISTOR NTC;4.7OHM,15%,2900K,35.0MW,T C814 2306-000212 C-FILM,MPPF;470NF,20%,250V,-,22.5MM,BK A/ACCS AA97-20009P ASSY-ACCESSORY;CM19001X/KMT H-COVE AA64-01355B INLAY-COVER;K15A,PVC SHEET V0,T0.4,-,BLK R599 2008-001093 R-FUSIBLE(S);22OHM,5%,1/2W,AC,BK,2.5X6.5 PE-BAG AA69-01195A BAG PE;CL29A6W8X,HDPET0.012,93/4X151 JU96 2901-000297 FILTER-EMI ON BOARD;-,3A,-,-,3.5x5,TP,- AA68-00282A MANUAL-USERS;K15B,ENG,-,FOLDING,W/P 100G ASSY-CABINET,(COM) REMOCON A/BACK AA92-10046G ASSY-CABINET,(COM);CM19001X/KMT AA59-00066A REMOCON;-,TM52,SZM354EP,25,L/GRAY,E/X,...
  • Page 29 MEMO Samsung Electronics...

  • Page 30: Block Diagram

    T444* VIDEO VERTICAL-AMP KA2131 F.B.T D807 ~ D810 T801* 14" : FSV14A001 20" : FSV20A001 (125V) 21" : FSV20A001 SWITCHING TRANS S:125V,12.5V (12.5V) IC802 (5V) IC801* MICOM PC802 MULTI-REGULATOR SPS CONTROL KA7631 PHOTO KA3SO680 1CHIP COULPER (9V) KA3S0765 Samsung Electronics...

  • Page 31: Pcb Layout

    QL01 D704 QL03 D802 QLK1 D803 QU01 D804 QU10 D805 QX01 D806 D807 D808 D809 D810 D814 D855 D856 D901 D902 D903 D904 D905 D906 DL01 DL02 DU01 DX01 DX02 DZ801 DZ802 DZ803 DZ806 DZ807 DZ901 DZ902 DZ903 Samsung Electronics...

  • Page 32: Wiring Diagrams

    Wiring Diagram 10. Wiring Diagram CRT PCB CRT PCB SPEAKER CN601 180V 180V CN501 CN201 CN501 MAIN ASSY A/V ASSY CN401 CN702 CN701 Samsung Electronics 10-1...

  • Page 33: Schematic Diagrams

    Schematic Diagrams 11. Schematic Diagrams 11-1 MAIN 1/4 : Power Line : Signal Line Samsung Electronics 11-1...
  • Page 34 IC201 28PIN IC201 53PIN TP10 TP11 TP10 TP11 IC201 25PIN IC201 27PIN IC201 4 PIN IC201 7PIN IC201 20PIN IC201 21PIN IC201 23PIN IC201 24PIN IC201 2 PIN IC201 19PIN IC201 22PIN : Power Line : Signal Line 11-2 Samsung Electronics...
  • Page 35 Schematic Diagrams 11-3 MAIN 3/4 TP24 TP24 TP25 IC801 1 PIN TP26 TP25 TP27 TP27 T444 10 PIN TP26 : Power Line l Li Samsung Electronics 11-3...
  • Page 36 Schematic Diagrams 11-4 MAIN 4/4 : Power Line : Signal Line 11-4 Samsung Electronics...

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