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Samsung K15A Service Manual

Color television receiver for txj1366, txj1367, txj1396, txj1966, txj1996
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COLOR TELEVISION RECEIVER
COLOR TELEVISION RECEIVER
Chassis :
K15A
Model:
TXJ1366
TXJ1367
TXJ1396
TXJ1966
TXJ1996
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2.
3.
4.
5.
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CONTENTS

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Summary of Contents for Samsung K15A

  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com COLOR TELEVISION RECEIVER Chassis : K15A Model: TXJ1366 TXJ1367 TXJ1396 TXJ1966 TXJ1996 COLOR TELEVISION RECEIVER CONTENTS Precautions Specifications Disassembly and Reassembly Alignment and Adjustments Troubleshooting Exploded Views and Parts List Electric Parts List...

  • Page 2: 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 3 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 4 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 5 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 6 All manuals and user guides at all-guides.com ELECTRONICS © Samsung Electronics Co., Ltd. SEP. 1999 Printed in Korea 3K15A-1425...

  • 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

    All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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

    4. Alignment and Adjustments 4-1 Service Mode Adjustments 4-1-1 Service Mode Menus Since there are no VRs in the K15A chassis, all adjustments after parts replacement must be done in the Service Mode. Service Mode adjustments are necessary when either the EEPROM (IC902) or the CRT is replaced.
  • 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 All manuals and user guides at all-guides.com 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 Waveform of IC201 FBT Pin 2 (24V) 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

    All manuals and user guides at all-guides.com Exploded Views & Parts List 6. Exploded Views & Parts List 6-1 TXJ1366, TXJ1367, TXJ1396 Code No Description Specification Q’ty Remark AA92-30161EA ASSY-CABINET,FRONT TXJ1366,9,V0,S/V,K15A AA64-00162A CABINET-FRONT 14F2,BK708P,HIPS,V0,BLK AA64-70127F BADGE-BRAND AL,SS,SILVER,R800 AA64-00165B KNOB-POWER 14F2,NO-SILK,ABS,HB,BLK AA61-60003J SPRING-CS -,-,SUS304,0.5,OD6,H...
  • Page 23 All manuals and user guides at all-guides.com Exploded Views & Parts List 6-2 TXJ1966, TXJ1996 Code No Description Specification Q’ty Remark AA92-30161NA ASSY-CABINET,FRONT TXJ1966,9,VO,S/V,K15A AA64-00152A CABINET-FRONT 20F2,BK708P,HIPS,V0,BLK AA64-70127F BADGE-BRAND AL,SS,SILVER,R800 AA64-00156B KNOB-POWER -,20F2,NO-SILK,ABS,HB,BLK AA61-60003J SPRING-CS -,-,SUS304,0.5,OD6,H AA61-40113A STOPPER-PCB -,ABS,HB,NTR. ASSY-PCB,A/V FRONT...

  • Page 24: Electric Parts List

    All manuals and user guides at all-guides.com Electric Parts List 7. Electric Parts List Part Differences (by screen size) ..................TXJ1366 (TXJ1996 and TXJ1366 Dissimilar Parts) ......... TXJ1996 ..........................Samsung Electronics...
  • Page 25 All manuals and user guides at all-guides.com 7-1 Part Differences (by screen size) U.S.A LATIN Loc. No. REMARK SPECIFICATION CODE No. SPECIFICATION CODE No. 14" A34KQV42X,+380mG,14" AA03-10001D Ÿ 20" A48KRD82X(H),+380mG,21" AA03-10029W ¬Ÿ 14" DSE-1422FL,14" AA27-50001K ¬Ÿ 20" DSE -1992LL1(H),20" AA27-50004W ¬Ÿ...
  • Page 26 All manuals and user guides at all-guides.com 7-1-1 Inch Option U.S.A LATIN Loc. No. REMARK SPECIFICATION CODE No. SPECIFICATION CODE No. ¬Ÿ ¬Ÿ 14" C-C 722 1.6KV 2306-000253 HORIZONTAL CT CAPACITOR C402 ¬Ÿ ¬Ÿ 20" C-C 742 1.6KV 2306-000355 HORIZONTAL CT CAPACITOR ¬Ÿ...
  • Page 27 All manuals and user guides at all-guides.com U.S.A LATIN Loc. No. REMARK SPECIFICATION CODE No. SPECIFICATION CODE No. ¬Ÿ 14" C-E 0.47uF 50V 2401-001333 C311 ¬Ÿ 20" C-E 0.47uF 50V 2401-001333 ¬Ÿ 14" R-C 56K-J 1/8T 2001-000864 R303 ¬Ÿ 20" R-C 62K-J 1/8T 2004-001990 ¬Ÿ...
  • Page 28 All manuals and user guides at all-guides.com U.S.A LATIN Loc. No. REMARK SPECIFICATION CODE No. SPECIFICATION CODE No. ¬Ÿ 14" C-C 20pF(CH) 2201-000354 C216 20" C-C 20pF(CH) 2201-000354 ¬Ÿ 14" R-C 820-J 1/8T 2004-000995 R204 ¬Ÿ 20" R-C 1.2K-J 1/8T 2001-000221 ¬Ÿ...
  • Page 29 All manuals and user guides at all-guides.com 7-1-2 AC Input Option AC 110V ONLY FREE VOLT REMARK Loc. No. SPECIFICATION CODE No. SPECIFICATION CODE No. C801 C-E:220uF 200V 2401-000822 C-E:220uF 400V 2401-002298 110V/FREE VOLT C804 C-C 400V 222 2201-000987 C-C 400V 332 2201-000446 COUNTERMEASURE ON SMPS NOISE C819...
  • Page 30 All manuals and user guides at all-guides.com 7-1-4 X-Ray Option X-RAY USED X-RAY DELETE REMARK Loc. No. SPECIFICATION CODE No. SPECIFICATION CODE No. CX01 C-C 103 25V 2202-000127 X-RAY CX02 10uF 50V 2401-000480 X-RAY CX03 10uF 50V 2401-000480 X-RAY CX04 471 500V 2201-000556 X-RAY...
  • Page 31 All manuals and user guides at all-guides.com 7-1-5 Sound Option (MONO/DUAL) ~73, ~38, ~1F SYSTEM (1 SPK / 1 AMP) ~1H SYSTEM (2 SPKs / 1 AMP) ~39,~85,~66,~1E,~3E SYSTEM ( 2 SPKs / 2 AMPs) Loc. No. REMARK SPECIFICATION CODE No. SPECIFICATION CODE No.
  • Page 32 Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark TXJ1366X/XAA, TXJ1366X/XAC, TXJ1367/XAC REMOCON TXJ1396X/XAA, TXJ1396X/XAC AA59-10101M REMOCON; DP,TM59,-,-,AA59-10095T ASSY-PCB,MAIN ASSY-CABINET AA94-10133F2 ASSY-PCB,MAIN(COM);K15A(0),S/V,13,BLK, TXJ1366 AA94-10133F1 ASSY-PCB,MAIN(COM);K15A(0),S/V,13,WHT, TXJ1367 AA92-30161EA ASSY-CABINET,FRONT;TXJ1366,9,V0,S/V,K15A C301 2301-000020 C-FILMPEF;27NF,5%,100V,TP,7.3 L3113-0003-011 BOSS-CABINET;HIPSVOBLKCT-5073 C305 2305-000427 C-FILM,MPEF;47NF,5%,100V,7.5X AA64-00259A CABINET-BACK;-,14F2,-,HIPS,V0,BLK.
  • Page 33 2201-000441 C-CERAMIC,DISC;3.3nF,10%,500V,Y5P,TP,10x C501 2202-000863 C-CERAMIC;CKOAX7R50VT561-KUP050561 C502 2202-000862 C-CERAMIC;CCOASL50VT391-JUP050 C503 2202-000825 C-CERAMIC,MLC-AXIAL;680PF,10%,50V,Y5P,TP ASSY-PCB,MAIN C505 2201-002063 C-CERAMIC,DISC;10nF,+80-20%,3KV,Y5V,TP,1 C601 2401-000962 C-AL;22uF,20%,50V,GP,TP,5x11,5 A/MAIN AA94-10133Z ASSY-PCB,MAIN(COM);K15A(O),S/V,19,MONO, C603 2301-000289 C-FILM,PEF;5.6NF,5%,50V,6.5X5. C604 2401-000660 C-ELECTROLYTIC;CE04WTAPG50V2.2 C101 2202-000127 C-CERAMIC,MLC-AXIAL;10NF,+80-2 C605 2305-000665 C-FILM;CF922N63VT104-J-40/1053 C102 2401-000660 C-ELECTROLYTIC;CE04WTAPG50V2.2 C609 2401-000133 C-AL;1000UF,20%,16V,GP,13X20MM C104 2202-000127 C-CERAMIC,MLC-AXIAL;10NF,+80-2...
  • Page 34 R-CARBON;1.8Kohm,5%,1/8W,AA,TP,1.8x3.2m L208 2701-000114 INDUCTOR-AXIAL;10UH,10%,2.5X3. R230 2001-000591 R-CARBON;3.3KOHM,5%,1/8W,AA,TP L301 2701-000116 INDUCTOR-AXIAL;10UH,10%,4.2X9. R231 2001-000660 R-CARBON;33KOHM,5%,1/8W,AA,TP, L401 AA27-30001B COIL-LINEARITY;-,195UH,QIC1010 R233 2004-001234 R-METAL;75KOHM,5%,1/8W,AA,TP,1 L402 2701-001032 INDUCTOR-AXIAL;100UH,10%,5X14MM R234 2001-000405 R-CARBON;180OHM,5%,1/8W,AA,TP, L501 2701-000184 INDUCTOR-AXIAL;4.7UH,10%,2.5X3.4MM R235 2001-000273 R-CARBON;100KOHM,5%,1/8W,AA,TP L502 2701-000184 INDUCTOR-AXIAL;4.7UH,10%,2.5X3.4MM R236 2001-000548 R-CARBON;270KOHM,5%,1/8W,AA,TP Samsung Electronics 7-11...
  • Page 35 R-METAL(S);11KOHM,1%,1/2W,AA,T R805 2002-001013 R-COMPOSITION;4.7MOHM,10%,1/2W,AA,TP,3.7 RX05 2001-000522 R-CARBON;22KOHM,5%,1/8W,AA,TP, R806 2001-001071 R-CARBON(S);12KOHM,5%,1/2W,AA, RX08 2001-000837 R-CARBON;51KOHM,5%,1/8W,AA,TP, R807 2001-001071 R-CARBON(S);12KOHM,5%,1/2W,AA, SF101 2904-000304 FILTER-SAW;M1859MNTSC/USAVIFST R808 2001-001150 R-CARBON(S);470KOHM,5%,1/2W,AA SW901 3404-000244 SWITCH-TACT;15V,20MA,90-170GF, R809 2008-000205 R-FUSIBLE(S);10OHM,5%,1/2W,AF, SW902 3404-000244 SWITCH-TACT;15V,20MA,90-170GF, R811 2001-001170 R-CARBON(S);6.8OHM,5%,1/2W,AB, SW903 3404-000244 SWITCH-TACT;15V,20MA,90-170GF, 7-12 Samsung Electronics...
  • Page 36 SPACER AA63-60028A SPACER-DY;-,NEOPRENE,-,BLK,V0W ASSY-ACCESSORY A/ACCS AA97-20009E ASSY-ACCESSORY;TM58,BLK,W-ANT,USA A/ROD AA42-00001A ANT-ROD;-,3S,650MM,ABS,UL/CSA TXJ1996 AA68-11252D INSTRCTION-BOOK;K15A,ENG,TM58-9,205X150 TXJ1996 L7000-0132 ANT-RODVHF;4SDODIPOLE850MMBRN TXJ1966 AA68-11252A INSTRCTION-BOOK;K15A,FRENCH,TM59,205X150 TXJ1966 ASSY-CLAMPERS A/CLMP L9100-000-005 ASSY-CLAMPERS;K15A,19,;F/V AC+BC AA65-30008A CLAMP-CORD;-,PE,HB,BLK,-,- AA65-30109A CLAMP-FBT;NYLON-66,V2,BLK,-,-,- CWIRE1 AA65-30018A CLAMP-WIRE;-,NYLON6.6,-,-,DATL CWIRFC AA65-30105A CLAMP-WIRE;NYLON 66N,VO,NTR,15MM CDCOIL L9400-0001 HOLDER-DEGAUSSING;25POLYVINYLCHLORIDEFL REMOCON AA59-10102B REMOCON;DP,TM58,AA59-10100B,...
  • Page 37 All manuals and user guides at all-guides.com MEMO 7-14 Samsung Electronics...

  • Page 38: Block Diagram

    VIDEO T444* 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 KA3S0765 (9V) Samsung Electronics...

  • Page 39: Pcb Layout

    QL01 D704 QL03 D802 QLK1 D803 QU01 QU10 D804 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 40: Wiring Diagrams

    All manuals and user guides at all-guides.com 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 41: Schematic Diagrams

    All manuals and user guides at all-guides.com Schematic Diagrams 11. Schematic Diagrams 11-1 MAIN 1/4 : Power Line : Signal Line Samsung Electronics 11-1...
  • Page 42 IC201 28PIN IC201 53PIN TP10 TP11 TP10 TP11 IC201 25PIN IC201 27PIN IC201 24PIN IC201 2 PIN IC201 4 PIN IC201 7PIN IC201 19PIN IC201 20PIN IC201 21PIN IC201 22PIN IC201 23PIN : Power Line : Signal Line 11-2 Samsung Electronics...
  • Page 43 All manuals and user guides at all-guides.com 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 44 All manuals and user guides at all-guides.com Schematic Diagrams 11-4 MAIN 4/4 : Power Line : Signal Line 11-4 Samsung Electronics...

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