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Samsung K155A TXJ1366 Service Manual
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Samsung K155A TXJ1366 Service Manual

Samsung crt television user manual
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COLOR TELEVISION RECEIVER
COLOR TELEVISION RECEIVER
Chassis :
K15A
Model:
TXJ1366
TXJ1367
TXJ1396
TXJ1966
TXJ1996
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
CONTENTS

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Summary of Contents for Samsung K155A TXJ1366

  • Page 1: Table Of Contents

    COLOR TELEVISION RECEIVER COLOR TELEVISION RECEIVER Chassis : K15A Model: TXJ1366 TXJ1367 TXJ1396 TXJ1966 TXJ1996 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: Precautions

    The current measured should not exceed 0.5 milliamp. Reverse the power- plug prongs in the AC outlet and repeat the test. Samsung Electronics DEVICE UNDER TEST TEST ALL EXPOSED METAL...
  • Page 3 ) or ( Use replacement components that have the same ratings, especially for flame resistance and dielectric strength specifications. A replacement part that does not have the same safety characteristics as the original might create shock, fire or other hazards. Samsung Electronics...
  • Page 4 Make sure that the portion around the serviced part has not been damaged. Samsung Electronics 5. Check the insulation between the blades of the AC plug and accessible conductive parts (examples: metal panels, input terminals and earphone jacks).
  • Page 5 9. Minimize body motions when handling unpackaged replacement ESDs. Motions such as brushing clothes together, or lifting a foot from a carpeted floor can generate enough static electricity to damage an ESD. Samsung Electronics...
  • Page 6 ELECTRONICS © Samsung Electronics Co., Ltd. SEP. 1999 Printed in Korea 3K15A-1425...

  • Page 7: Specifications

    Power Requirement Operating System Tuning Ranges Antenna Input Impedance Intermediate Frequency Speaker Impedance Samsung Electronics 14"/20"/21" NTSC COLOR TV SIGNAL 14" : 57 WATTS NOMINAL, 20" : 70 WATTS NOMINAL 21" : 75 WATTS NOMINAL, 14" : A34KQV42X 20" : A48KRD82X (H) 21": : A51KQJ63X (H)

  • 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 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. Fig. 3-3 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. Fig. 3-5 Samsung Electronics...

  • Page 12: Alignment And Adjustments

    SVC : MUTE Select a mode to be adjusted, using the chan- nel down key. Example: VCO. SVC : MUTE Samsung Electronics Alignment and Adjustments Change the data with “Volume +, - “ keys. Return to the Service mode by pressing MENU.

  • Page 13: Service Mode Adjustments

    0~27 0~27 RED-CUT OFF Adjustment 0~255 GREEN-CUT OFF Adjustment 0~255 BLUE-CUT OFF Adjustment 0~255 GREEN-GAIN Adjustment 0~255 BLUE-GAIN Adjustment 0~255 0~63 VERTICAL SIZE Adjustment 0~63 VERTICAL CENTER Adjustment HORIZONTAL Phase Adjustment 0~31 SUB-SHARPNESS Adjustment 0~31 Samsung Electronics Initalized MICOM Data...
  • Page 14 TV and allow the failsafe circuit more than 30 seconds to reset. Then switch power ON to produce normal picture and sound. Samsung Electronics 4-2-5 IC902 Replacement 1. When IC902 is replaced, all values are reset to “Initialized MICOM Data” and readjustment is necessary.
  • Page 15 6. Adjust SCR to 2.4 ± 0.1Vp-p (black and 2.5V 0.1Vpp 7. Remove the short across D208 and restore Contrast and Sub-Tint adjustments. still be switched OFF. erator (PM5518). BG are 140 and GG should be 90. red levels). ABL. 2.4V 0.1Vpp Samsung Electronics...
  • Page 16 3. Enter the Service Mode and set SB to the point where the 5th point is brighter in the gray scale. Samsung Electronics 4-2-13 Vertical Size Adjustment 1. Input a lion head pattern. 2. After the vertical center adjustment, enter into 3.
  • 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. Voltage of IC601 and IC602 Check SIF (L201). Check Power 12V Line Voltage. Abnormal Check CN601 and CN701 Connector Soldering and A/V PCB. Check Normal Abnormal Check Normal (approx. 12V) Pin 5. Abnormal Replace IC601 and IC602. Samsung Electronics...
  • Page 20 5-3 Horizontal Line Appears Abnormal Waveform of IC201 Check Whether a horizontal line appears in the service mode.. Check/Replace Check/Replace IC201. Samsung Electronics Single Horizontal Line Check Normal (24V) 24V-C Voltage. Check Pins 22,24. Normal IC301. Troubleshooting Abnormal Check FBT Pin 2 (24V) Oscillation.
  • Page 21 Replace tuner. Normal Check whether AGC and Abnormal AFTadjustment are normal in the service mode. Normal Readjust AGC and AFT. Check IC201 Pin 47 waveform level. Normal (2Vp-p) Check IC201 Pin 37 waveform level. Samsung Electronics Normal Check waveform. Abnormal...

  • Page 22: Exploded Views And Parts List

    AA64-00167B AA64-00166B 1-10 6002-000512 1-11 AA64-00164B 1-12 6002-000512 1-13 3001-000281 AA03-10001D L9400-0002 AA60-10050Q AA64-00259A 6002-000514 L7000-0132 AA42-00001A AA39-10007Y Samsung Electronics Description Specification ASSY-CABINET,FRONT TXJ1366,9,V0,S/V,K15A CABINET-FRONT 14F2,BK708P,HIPS,V0,BLK BADGE-BRAND AL,SS,SILVER,R800 KNOB-POWER 14F2,NO-SILK,ABS,HB,BLK SPRING-CS -,-,SUS304,0.5,OD6,H SCREW-TAPPING -,RH,+,M4,L12,ZP ASSY-PCB,A/V FRONT CLAMP-WIRE NYLON 66N,VO,NTR,15MM STOPPER-PCB -,ABS,HB,NTR.
  • Page 23 RH,+,2,M4,L12,ZP KNOB-CONTROL -,20F2,-,ABS,HB,BLK SCREW-TAPPING RH,+,2,M4,L12,ZP SPEAKER 3W,8ohm,90dB,140Hz SCREW-TAPPING RH,+,2,M4,L15,ZP CRT-COLOR A48KRD82X(H)+380MG,SEMTNT.BZIL HOLDER-DEGAUSSING 25POLYVINYLCHLORIDEFL SCREW-ASSY WC,HH,+M5,L31.5,SWR CABINET-BACK -,20F2 R1,-,HIPS,V0,BLK,-,- SCREW-TAPPING RH,+,2,M4,L15,ZP ANT-ROD -,3S,650MM,ABS,UL/CSA ANT-RODVHF 4SDODIPOLE850MMBRN CABINET OPTION POWER-CORD -,EP2/YES,SPT-2 18AWGx2C,2.4m Q’ty Remark PA+CF WIN+CF SPK+CF CB+CF TXJ1996 TXJ1966 CORD/P Samsung Electronics...

  • Page 24: Electric Parts List

    7. Electric Parts List Part Differences (by screen size) ... TXJ1366 (TXJ1996 and TXJ1366 Dissimilar Parts) TXJ1996 Samsung Electronics Electric Parts List...
  • Page 25 7-1 Part Differences (by screen size) Loc. No. SPECIFICATION 14" A34KQV42X,+380mG,14" 20" A48KRD82X(H),+380mG,21" 14" DSE-1422FL,14" 20" DSE -1992LL1(H),20" 14" 22.5MM 20" -,JH-291-(JH-8210) 14" 7P,22.5PI,12PI,S N V999 20" 9P,15.24PI,26.5PI,S N,- 14" -,FSV-14A001,14",125V T444 20" -,FSV-20A001,20",125V 14" 14",16.4ohm,75T CN802 20" JAPAN 6.2 W 20"...
  • Page 26 7-1-1 Inch Option Loc. No. SPECIFICATION 14" C-C 722 1.6KV C402 20" C-C 742 1.6KV 14" C-C 331 2KV C403 20" C-C 271 2KV 14" C-MPP 334 250V C404 20" C-MPP 364 200V 14" 195uH L401 20" 195uH 14" R-C 22-J 1/2T R404 20"...
  • Page 27 U.S.A Loc. No. SPECIFICATION 14" C-E 0.47uF 50V C311 20" C-E 0.47uF 50V 14" R-C 56K-J 1/8T R303 20" R-C 62K-J 1/8T 14" R-M.O 2W 3.3-J R304 20" R-M.O 1W 1.5-J 14" 8P 300MM CN501 20" 8P 400MM 14" R-C 33K-J 1/8T R305 20"...
  • Page 28 U.S.A Loc. No. SPECIFICATION 14" C-C 20pF(CH) C216 20" C-C 20pF(CH) 14" R-C 820-J 1/8T R204 20" R-C 1.2K-J 1/8T 14" R-C 820-J 1/8T R205 20" R-C 1.2K-J 1/8T 14" R-C 820-J 1/8T R206 20" R-C 1.2K-J 1/8T 14" R-C 10K-J 1/8T R214 20"...
  • Page 29 7-1-2 AC Input Option AC 110V ONLY Loc. No. SPECIFICATION C801 C-E:220uF 200V C804 C-C 400V 222 C819 C-C 400V 102 IC801 STR S0765 R802 R-M,OXIDE 36K1W R803 R-M,OXIDE 36K1W T801 EER2834 7-1-3 Relay Option RELAY USED Loc. No. SPECIFICATION CU10 C-E 220uF 25V J153...
  • Page 30 7-1-4 X-Ray Option X-RAY USED Loc. No. SPECIFICATION CX01 C-C 103 25V CX02 10uF 50V CX03 10uF 50V CX04 471 500V DX01 MTZ6.2B DX02 1N4004 400V JX01 JUMPER QX01 KSA539-Y RX01 R-C 180K 1/8T RX02 R-C 18K 1/8T RX03 R-M 4.3K-F 1/2T RX04 R-M 11K-F 1/2T RX05...
  • Page 31 7-1-5 Sound Option (MONO/DUAL) ~73, ~38, ~1F SYSTEM (1 SPK / 1 AMP) Loc. No. SPECIFICATION CODE No. IC602 C652 C655 JDW1 JAW04 CN603 POST HEADER 3P 3711-002642 CN601 7-1-6 Front A/V Option J601 D814 RG10V 400V 0402-000534 R604 R-C 2.2K 1/8T 2001-000449 Loc.
  • Page 32 ANT-RODVHF;4SDODIPOLE850MMBRN AA68-11252A INSTRCTION-BOOK;K15A,FRENCH,TM59,205X150 ASSY-CRT AA97-50001C ASSY-CRT;A34KQV42X,-,14INCH,ITC,-,MINI( AA03-10001D CRT-COLOR;-,A34KQV42X,+380MG,14,90DEG,5 AA27-00001A MAGNET-CONVERGENCE;JH225-06A,225MM D-COIL AA27-20004C COIL-DEGAUSSING;-,14,4.5ohm,30T,L890,D L7000-0005 DEFL-YOKE(SEMSA);DSE-1422FL Samsung Electronics Remark Loc. No. Code No. Description ; Specification REMOCON AA59-10101M REMOCON; DP,TM59,-,-,AA59-10095T ASSY-CABINET TXJ1366 TXJ1367 AA92-30161EA ASSY-CABINET,FRONT;TXJ1366,9,V0,S/V,K15A L3113-0003-011 BOSS-CABINET;HIPSVOBLKCT-5073 AA64-00259A CABINET-BACK;-,14F2,-,HIPS,V0,BLK. AA64-00162A CABINET-FRONT;14F2,BK708P,HIPS,V0,BLK AA64-00167B INDICATOR-LED;14F2,ACRYL,CLR,...
  • Page 33 POWER-CORD;-,EP2/YES,SPT-2 18AWGx2C,2.4m CU02 2305-000665 C-FILM;CF922N63VT104-J-40/1053 CU10 2401-000832 C-AL;220UF,20%,25V,GP,8X11MM,5 CX01 2202-000127 C-CERAMIC,MLC-AXIAL;10NF,+80-2 CX02 2401-000480 C-AL;10UF,20%,50V,GP,5X11MM,5M CX03 2401-000480 C-AL;10UF,20%,50V,GP,5X11MM,5M CX04 2201-000556 C-CERAMIC,DISC;470PF,10%,500V, D101 0403-000700 DIODE-ZENER;TZP33A,33V,31-35V, D102 0403-000296 DIODE-ZENER;EQA02-06A/MTZ5.6B( D103 0402-000132 DIODE-RECTIFIER;1N4004,400V,1A,DO-41 D201 0403-000663 DIODE-ZENER;MTZ3.3B,3.3V,3.32- D202 0401-000005 DIODE;1N4148TAPG D203 0401-000005 DIODE;1N4148TAPG Remark Samsung Electronics...
  • Page 34 2701-000114 INDUCTOR-AXIAL;10UH,10%,2.5X3. L301 2701-000116 INDUCTOR-AXIAL;10UH,10%,4.2X9. L401 AA27-30001B COIL-LINEARITY;-,195UH,QIC1010 L402 2701-001032 INDUCTOR-AXIAL;100UH,10%,5X14MM L501 2701-000184 INDUCTOR-AXIAL;4.7UH,10%,2.5X3.4MM L502 2701-000184 INDUCTOR-AXIAL;4.7UH,10%,2.5X3.4MM Samsung Electronics Remark Loc. No. Code No. Description ; Specification L503 2701-000184 INDUCTOR-AXIAL;4.7UH,10%,2.5X3.4MM L602 2701-000158 INDUCTOR-AXIAL;22UH,10%,2.5X3. L801 AA29-30001R FILTER-LINE;-,6MH,2.0A,-,SQ191 L802 3301-000287 CORE-FERRITEBEAD;AA,3.5X1.0X6. L803 2901-000297 FILTER-EMI ON BOARD;-,3A,-,-,3.5x5,TP,-...
  • Page 35 R-CARBON;10KOHM,5%,1/8W,AA,TP, RU12 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP RU13 2001-000022 R-CARBON(S);33OHM,5%,1/2W,AA,T RX01 2001-000397 R-CARBON;180KOHM,5%,1/8W,AA,TP RX02 2001-000411 R-CARBON;18KOHM,5%,1/8W,AA,TP, RX03 2004-001987 R-METAL;4.3KOHM,1%,1/2W,AA,TP, RX04 2004-001376 R-METAL(S);11KOHM,1%,1/2W,AA,T RX05 2001-000522 R-CARBON;22KOHM,5%,1/8W,AA,TP, RX08 2001-000837 R-CARBON;51KOHM,5%,1/8W,AA,TP, SF101 2904-000304 FILTER-SAW;M1859MNTSC/USAVIFST SW901 3404-000244 SWITCH-TACT;15V,20MA,90-170GF, SW902 3404-000244 SWITCH-TACT;15V,20MA,90-170GF, SW903 3404-000244 SWITCH-TACT;15V,20MA,90-170GF, Remark Samsung Electronics...
  • Page 36 BADGE-BRAND;AL,SS,SILVER,R800 D-COIL AA27-20004B COIL-DEGAUSSING;-,20,5.7ohm,30T,L2170,E CRT+CF AA60-10050R SCREW-ASSY;WC,HH,+M5,L31.5,SWR ASSY-SPEAKER A/SPK AA96-10141A ASSY-SPEAKER;3W,8OHMX1,700 3001-001020 SPEAKER;3W,8ohm,90dB,140Hz L/SPK AA39-20501C LEAD CONNECTOR-ASSY;-,67096-003,REC,3(2) Samsung Electronics Remark Loc. No. Code No. Description ; Specification CABINET-FRONT AA64-00152A CABINET-FRONT;20F2,BK708P,HIPS,V0,BLK INDLED AA64-00158B INDICATOR-LED;20F2,ACRYL,CLR, KNOCON AA64-00155B KNOB-CONTROL;-,20F2,-,ABS,HB,BLK KNOPOW AA64-00156B KNOB-POWER;-,20F2,NO-SILK,ABS,HB,BLK WR+CF 6002-000512 SCREW-TAPPING;RH,+,2,M4,L12,ZP...
  • Page 37 MEMO 7-14 Samsung Electronics...

  • Page 38: Block Diagram

    8. Block Diagram TU01* TUNER TELH9-212A IC902 EEPROM KS24C020 IC901* MICOM SZM-354ET D807 ~ D810 IC801* SPS CONTROL KA3SO680 KA3S0765 Samsung Electronics M1859M IC201 1CHIP IF/V/C/D KA2163B C BUS EXT IN EXT IN AUDIO VIDEO T801* (125V) SWITCHING TRANS S:125V,12.5V (12.5V)

  • Page 39: Pcb Layout

    9. PCB Layout 9-1 PCB-MAIN Samsung Electronics PCB Layout Loc. No. Loc. No. DIODE D101 IC201 D102 IC301 D103 IC601 D201 IC602 D202 IC801 D203 IC802 D204 IC901 D205 IC902 D206 ICK01 D207 TRANSISTOR D208 Q151 D210 Q201 D299 Q202...

  • Page 40: Wiring Diagrams

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

  • Page 41: Schematic Diagrams

    11. Schematic Diagrams 11-1 MAIN 1/4 Samsung Electronics Schematic Diagrams : Power Line : Signal Line 11-1...
  • Page 42 TP19 IC201 47PIN TP12 TP12 IC201 28PIN TP10 IC201 25PIN IC201 20PIN IC201 21PIN IC201 23PIN IC201 22PIN TP14 IC201 32PIN TP16 IC201 41PIN TP18 IC201 45PIN TP20 IC201 49PIN TP21 IC201 53PIN TP11 IC201 27PIN IC201 24PIN Samsung Electronics...
  • Page 43 11-3 MAIN 3/4 TP25 Samsung Electronics TP24 TP27 TP26 Schematic Diagrams TP24 TP25 IC801 1 PIN TP26 TP27 T444 10 PIN : Power Line l Li 11-3...
  • Page 44 Schematic Diagrams 11-4 MAIN 4/4 11-4 : Power Line : Signal Line Samsung Electronics...

This manual is also suitable for:

Txj1366Txj1367Txj1396Txj1966Txj1996

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