Samsung K155A TXJ1366 Скачать руководство пользователя страница 11 | Manualshive

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Disassembly and Reassembly

3-4

Samsung Electronics

3-4 CRT Removel

Fig. 3-5

1. Spread a soft mat on the floor. Place the TV set face down.

2. Remove the 4 nuts mounting the CRT to the front cabinet.

3. Lift the CRT.

4. Caution: Because of the high vacuum and large surface area of the

picture tube, be careful while handling it:
(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.

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Содержание K155A TXJ1366

Страница 1: ...66 TXJ1996 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 1 2 3 4 5 6 7 8 9 10 11 ...

Страница 2: ... metal cabinets screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test Fig 1 1 AC Leakage Test 6 Antenna Cold Check With the unitÕs AC plug disconnected from the AC source connect an electrical jumper across the two AC prongs Connect one lead of the ohmmeter to an AC prong Connect the other lead to the co...

Страница 3: ...ppear 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 15 Observe the original lead dress especially near the following areas Antenna wiring sharp edges and especially the AC and high voltage power supplies Always inspect for pinched out of plac...

Страница 4: ...ssible conductive parts examples metal panels input terminals and earphone jacks 6 Insulation Checking Procedure Disconnect the power cord from the AC source and turn the power switch ON Connect an insulation resistance meter 500V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 7 Neve...

Страница 5: ...ctrical charges that damage ESDs 5 Use only a grounded tip soldering iron when soldering or unsoldering ESDs 6 Use only an anti static solder removal device Many solder removal devices are not rated as Òanti staticÓ these can accumulate sufficient electrical charge to damage ESDs 7 Do not remove a replacement ESD from its protective package until you are ready to install it Most replacement ESDs a...

Страница 6: ...ELECTRONICS Samsung Electronics Co Ltd SEP 1999 Printed in Korea 3K15A 1425 ...

Страница 7: ... A34KQV42X 20 A48KRD82X H 21 A51KQJ63X H Power Requirement AC 120V 60Hz AC 100 240 50Hz 60Hz Operating System REMOCON SYSTEM SZM354ET Tuning Ranges VHF CH 2 13 UHF CH 14 69 CABLE CH 1 14 125 Antenna Input Impedance 75 ohm UNBALANCED TYPE FOR VHF UHF Intermediate Frequency PICTURE 45 75MHz SOUND 41 25MHz COLOR SUB CARRIER 42 17MHz Speaker Impedance Single Dual 8 ohm 3W x 2 Dual 16 ohm 3W x 2 CT 33H...

Страница 8: ...Disassembly and Reassembly Samsung Electronics 3 1 3 Disassembly and Reassembly 3 1 Back Cover Removeal Fig 3 1 1 After removing the screws pull the cabinet backwards ...

Страница 9: ...g 3 3 1 Separate the socket board from the CRT neck 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 ...

Страница 10: ...Disassembly and Reassembly Samsung Electronics 3 3 3 3 Speaker Removal 1 Loosen the screws and remove the speakers Fig 3 4 ...

Страница 11: ...e CRT to the front cabinet 3 Lift the CRT 4 Caution Because of the high vacuum and large surface area of the picture tube be careful while handling it 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 ...

Страница 12: ...let RC XXX VCO XX GC XXX SBT XX BC XX SCT XX VA XX SCR XX VS XX STT XXX HS XX GG XXX SS XX BG XXX SVC MUTE AGC XX AGC XX RC XXX GC XXX SBT XX BC XX SCT XX VA XX SCR XX VS XX STT XXX HS XX GG XXX SS XX BG XXX SVC MUTE VCO XX VCO 71 AGC XX XXX XXX XX XX XX VA XX XX VS XX XXX HS XX XXX SS XX XXX SVC MUTE VCO XX RC GC SBT BC SCT SCR STT GG BG ADJUSTMENT PATTERN OPTION RESET ADJUSTMENT PATTERN OPTION R...

Страница 13: ...BYTE 0 0 0 ADJUSTMENT PATTERN OPTION RESET ADJUSTMENT PATTERN OPTION RESET ADJUSTMENT PATTERN OPTION RESET ADJUSTMENT PATTERN OPTION RESET ADJUSTMENT PATTERN OPTION RESET Initalized Alignment and Adjustments 4 2 Samsung Electronics 4 1 3 Adjustment in Option Mode This adjustment is necessary whenever the EEPROM is replaced Input data as marked on the back cabinet Select SET OPTION by pressing the ...

Страница 14: ...final step in servicing 2 Turn the power switch ON and adjust customer controls for normal operation 3 Temporarily short pin X to pin R on the main board RX06 RX04 with a jumper wire Raster will disappear 4 The TV must remain in this state even after removing the jumper wire This shows that the failsafe circuit is working properly 5 To recover picture and sound temporarily turn off the TV and allo...

Страница 15: ...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 4 2 10 Sub Color Adjustment 1 Do sub color adjustment after the Sub Contrast and Sub Tint adjustments 2 D208 should still be shorted The ABL should still be switched OFF 3 Input a color bar pattern Use a pattern gen erator PM5518 4 Check CN201 R OUT use an oscillosco...

Страница 16: ...put a high light pattern 2 Adjust GG BG in the Service Mode 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 4 2 13 Vertical Size Adjustment 1 Input a lion head pattern 2 After the vertical center adjustment enter into the service...

Страница 17: ...MEMO 4 6 Samsung Electronics ...

Страница 18: ...Power Check IC801 Pin 1 Oscillation Check IC801 Pin 3 B Abnormal Abnormal 0 15V Check Replace D806 Q401 Q801 D802 D814 Check and Replace D807 D810 Abnormal Abnormal 0V Normal 15 20V Check Replace PC802 DZ807 Check IC801 Pin 4 Voltage Check IC802 Check Replace IC802 R812 D856 ON Abnormal Normal 0 5 3V Check Replace DZ802 DZ803 D806 ...

Страница 19: ...or CN601 and CN701 Check Waveform of IC601 Pin 1 Check Waveform of IC201 Pin 52 Check Waveform of IC201 Pin 1 Volume Up Check SIF L201 Check Replace IC201 Abnormal Check Waveform of IC601 and IC602 Pins 4 Check CN601 and CN701 Connector Soldering and A V PCB Check Voltage of IC601 and IC602 Pin 5 Check Power 12V Line Voltage Replace IC601 and IC602 O K NG Ok Normal ...

Страница 20: ...mal Check Replace IC201 NG Single Horizontal Line Check 24V C Voltage Check Waveform of IC201 Pins 22 24 Normal O K Check Whether a horizontal line appears in the service mode Check Replace IC301 Check FBT Pin 2 24V Oscillation Normal NG Check R409 Open Check Replace R409 Open Check Replace FBT ...

Страница 21: ...eck voltage line Check Micom IC901 Check tuner SCL SDA waveform Check tuner IF terminal waveform Check IC201 Pins 7 8 waveform Replace tuner Check whether AGC and AFTadjustment are normal in the service mode Check IC201 Pin 47 waveform level Check IC201 Pin 37 waveform level Readjust AGC and AFT Check IC201 Pin 41 waveform level Check IC201 Pin 43 waveform level Check IC201 Pins 19 20 21 waveform ...

Страница 22: ...R 1 1 8 AA64 00167B INDICATOR LED 14F2 ACRYL CLR 1 1 9 AA64 00166B WINDOW REMOCON 14F2 PC VIOLET 1 1 10 6002 000512 SCREW TAPPING RH 2 M4 L12 ZP 1 WIN CF 1 11 AA64 00164B KNOB CONTROL 14F2 ABS HB BLK 1 1 12 6002 000512 SCREW TAPPING RH 2 M4 L12 ZP 1 KC CF 1 13 3001 000281 SPEAKER GENERAL 2 5W8OHM77MM7 1 2 AA03 10001D CRT COLOR A34KQV42X 380MG 14 90DEG 5 1 2 1 L9400 0002 HOLDER DEGAUSSING 20POLYVIN...

Страница 23: ...EMOCON 20F2 PC VO VIOLET 1 1 9 6002 000512 SCREW TAPPING RH 2 M4 L12 ZP 1 WIN CF 1 10 AA64 00155B KNOB CONTROL 20F2 ABS HB BLK 1 1 11 6002 000512 SCREW TAPPING RH 2 M4 L12 ZP 1 1 12 3001 001020 SPEAKER 3W 8ohm 90dB 140Hz 1 1 13 6002 000514 SCREW TAPPING RH 2 M4 L15 ZP 2 SPK CF 2 LB03 10029W CRT COLOR A48KRD82X H 380MG SEMTNT BZIL 1 2 1 L9400 0001 HOLDER DEGAUSSING 25POLYVINYLCHLORIDEFL 4 2 2 AA60 ...

Страница 24: ...7 Electric Parts List Electric Parts List Samsung Electronics 7 1 7 1 Part Differences by screen size 7 2 TXJ1366 TXJ1996 and TXJ1366 Dissimilar Parts 7 3 TXJ1996 7 1 7 9 7 9 ...

Страница 25: ... 3704 001089 20 9P 15 24PI 26 5PI SN 3704 001090 CRT OCKET 5 T444 14 FSV 14A001 14 125V AA26 30004H B R 20 FSV 20A001 20 125V AA26 30001Y B R 6 CN802 14 14 16 4ohm 75T AA27 20003U D COIL 20 20 JAPAN 6 2W AA27 20003F 20 14 4ohm 48T AA27 20003X D COIL 7 TBC WIRE 14 14 1P AA98 70014A 20 20 1P AA98 70014B 8 ASSY CRT 14 A34KQV42X 380mG 14 BARE AA94 50014P 20 A48KRD82X H 380MG 20 BARE AA94 50019X Ÿ Ÿ Ÿ ...

Страница 26: ... 14 R M 120K F 1 2T 2004 001377 Ÿ Ÿ ABL RESISTOR 20 R M 100K F 1 2T 2004 001373 Ÿ Ÿ 7 R412 14 R M 120K F 1 2T 2004 001377 Ÿ Ÿ 20 R M 100K F 1 2T 2004 001373 Ÿ Ÿ 8 R413 14 R C 0 39 K 1 2T 2001 003019 Ÿ Ÿ KSD5386 OPTION 20 JUMPER 3812 000219 Ÿ Ÿ KSD5386 OPTION REMARK HORIZONTAL CT CAPACITOR HORIZONTAL CT CAPACITOR HORIZONTAL CT CAPACITOR HORIZONTAL CS CAPACITOR HORIZONTAL CS CAPACITOR HDT B RESISTOR...

Страница 27: ...00MM AA39 20109A Ÿ REMARK 17 R305 14 R C 33K J 1 8T 2001 000660 Ÿ 20 R M 7 5K J 1 8T 2004 001213 Ÿ 18 R306 14 R M 82K J 1 8T 2004 001301 Ÿ 20 R C 43K J 1 8T 2001 000766 Ÿ 19 R307 14 R C 36K J 1 8T 2001 000679 Ÿ 20 R C 56K J 1 8T 2001 000864 Ÿ 20 R308 14 R C 30K J 1 8T 2001 000633 Ÿ 20 R M 62K J 1 8T 2004 001990 Ÿ 21 R309 14 R M O 330 J 1W 2003 000649 Ÿ 20 R M O 510 J 1W 2003 001043 Ÿ 22 R518 14 R ...

Страница 28: ... R C 10K J 1 8T 2001 000290 Ÿ 20 R C 12K J 1 8T 2001 000331 Ÿ 30 R222 14 R C 470K J 1 8T 2001 000773 Ÿ DELETE INCH DOES NOT MATTER CHANGED TO 4570K 20 R C 470K J 1 8T 2001 000773 Ÿ 31 R226 14 R C 180K J 1 8T 2001 000397 Ÿ 20 R C 220K J 1 8T 2001 000508 Ÿ 32 R257 14 R F 1 2W 0 47 2008 000252 R F 2W 1 0 2008 000266 20 X 33 RH01 14 X X X X 20 R COMP 4 7K1 2T 2002 001006 Ÿ Ÿ 34 RH02 14 X X X X 20 R CO...

Страница 29: ... R C 10K J 1 8T 2001 000290 X X RELAY OPTION 12 RU13 R C 33 J 1 2T 2001 000022 X X RELAY OPTION 13 DU01 DIODE 1N4004 0402 000132 X X RELAY OPTION No Loc No AC 110V ONLY FREE VOLT REMARK SPECIFICATION CODE No SPECIFICATION CODE No 1 C801 C E 220uF 200V 2401 000822 C E 220uF 400V 2401 002298 110V FREE VOLT 2 C804 C C 400V 222 2201 000987 C C 400V 332 2201 000446 COUNTERMEASURE ON SMPS NOISE 3 C819 C...

Страница 30: ...DX01 MTZ6 2B 0403 000297 X X X RAY 6 DX02 1N4004 400V 0402 000132 X X X RAY 7 JX01 JUMPER 3812 000219 X X X RAY 8 QX01 KSA539 Y 0501 000283 X X X RAY 9 RX01 R C 180K 1 8T 2001 000397 X X X RAY 10 RX02 R C 18K 1 8T 2001 000411 X X X RAY 12 RX03 R M 4 3K F 1 2T 2004 001987 X X X RAY 13 RX04 R M 11K F 1 2T 2004 001376 X X X RAY 14 RX05 R C 22K 1 8T 2001 000522 X X X RAY 15 RX07 JUMPER 3812 000219 X X...

Страница 31: ...X X POST HEADER 4P 3711 002643 POST HEADER 4P 3711 002643 4P WHEN USING 2 SPEAKERS 8 J601 X X JUMPER 3812 000219 X X SOUND R L CONNECTED 9 D814 RG10V 400V 0402 000534 RG10V 400V 0402 000534 RK16 0404 001056 RK16 WHEN USING 2 AMPs 10 R604 R C 2 2K 1 8T 2001 000449 Ÿ Ÿ R C 3 3K 1 8T 2001 000591 3 3K 1 8T WHEN USING 2 AMPs No Loc No SPECIFICATION CODE No F A V DELETE F A V USED REMARK 1F SYSTEM 1H SY...

Страница 32: ...SSY SPEAKER 8OHM 2 5W 3 2 F 200 SPK 3001 000281 SPEAKER GENERAL 2 5W8OHM77MM7 L SPK AA39 20500A LEAD CONNECTOR ASSY 67096 003 REC 3 2 ASSY ACCESSORY A ROD L7000 0132 ANT RODVHF 4SDODIPOLE850MMBRN SECA AA68 11252A INSTRCTION BOOK K15A FRENCH TM59 205X150 SECA ASSY CRT AA97 50001C ASSY CRT A34KQV42X 14INCH ITC MINI CRT AA03 10001D CRT COLOR A34KQV42X 380MG 14 90DEG 5 C Y AA27 00001A MAGNET CONVERGEN...

Страница 33: ... C CERAMIC CKOAX7R50VT561 KUP050561 C502 2202 000862 C CERAMIC CCOASL50VT391 JUP050 C503 2202 000825 C CERAMIC MLC AXIAL 680PF 10 50V Y5P TP 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 C603 2301 000289 C FILM PEF 5 6NF 5 50V 6 5X5 C604 2401 000660 C ELECTROLYTIC CE04WTAPG50V2 2 C605 2305 000665 C FILM CF922N63VT104 J 40 1053 C609 2401 0001...

Страница 34: ...184 INDUCTOR AXIAL 4 7UH 10 2 5X3 4MM L502 2701 000184 INDUCTOR AXIAL 4 7UH 10 2 5X3 4MM 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 L804 3301 000287 CORE FERRITEBEAD AA 3 5X1 0X6 L810 AA27 10002Y COIL CHOKE...

Страница 35: ...71 R CARBON S 12KOHM 5 1 2W AA R808 2001 001150 R CARBON S 470KOHM 5 1 2W AA R809 2008 000205 R FUSIBLE S 10OHM 5 1 2W AF R811 2001 001170 R CARBON S 6 8OHM 5 1 2W AB R812 2008 000252 R FUSIBLE S 0 47OHM 10 1 2W R813 2008 001058 R FUSIBLE S 0 18OHM 10 1W AF R814 2001 001135 R CARBON S 36KOHM 5 1 2W AA R815 2004 001408 R METAL S 91KOHM 1 1 2W AA T R816 2001 001134 R CARBON S 360OHM 5 1 2W AA TP 2 4...

Страница 36: ...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 FBT 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 RMT AA59 10102B REMOCON DP TM58 AA59 10100B TXJ1996 RMT AA59 10101M ...

Страница 37: ...7 14 Samsung Electronics MEMO ...

Страница 38: ...TELH9 212A IC902 EEPROM KS24C020 IC901 MICOM SZM 354ET EXT IN VIDEO EXT IN AUDIO IC201 Q401 H TR KSC5368 VERTICAL AMP KA2131 T444 F B T 14 FSV14A001 20 FSV20A001 21 FSV20A001 IC802 MULTI REGULATOR KA7631 SWITCHING TRANS S 125V 12 5V T801 D807 D810 IC801 SPS CONTROL KA3SO680 KA3S0765 125V 12 5V MICOM 1CHIP 5V 9V I2C BUS PC802 PHOTO COULPER DUAL ...

Страница 39: ... 60 D855 157 100 D856 147 101 D901 160 119 D902 163 110 D903 171 130 D904 132 96 D905 231 179 D906 157 131 DL01 105 219 DL02 108 219 DU01 211 118 DX01 116 107 DX02 111 101 DZ801 215 20 DZ802 179 30 DZ803 178 24 DZ806 157 17 DZ807 150 20 DZ901 231 83 DZ902 231 156 DZ903 203 124 IC201 100 164 IC301 50 132 IC601 146 225 IC602 168 221 IC801 155 10 IC802 141 97 IC901 215 153 IC902 219 178 ICK01 69 213 ...

Страница 40: ...Samsung Electronics 10 1 CRT PCB B G R 9V GND 180V GND HT B G R 9V GND 180V GND HT CN501 CN201 A V ASSY V1 R R V0 GND AI CN702 CN701 A0 V1 R R V0 GND AI A0 S G SPEAKER CN601 MAIN ASSY CRT H1 H2 V1 V2 CN401 H1 H2 V1 V2 CRT PCB CN501 S G ...

Страница 41: ...11 Schematic Diagrams 11 1 MAIN 1 4 Schematic Diagrams Samsung Electronics 11 1 Power Line Signal Line ...

Страница 42: ... 32PIN TP16 TP18 TP12 TP20 IC201 41PIN IC201 45PIN IC201 49PIN IC201 28PIN TP9 IC201 24PIN TP4 TP5 IC201 20PIN IC201 19PIN TP6 IC201 21PIN TP1 TP2 IC201 4 PIN IC201 2 PIN TP3 IC201 7PIN Schematic Diagrams 11 2 Samsung Electronics TP9 TP10 TP13 TP14 TP15 TP16 TP17 TP18 TP21 TP19 TP20 TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP11 TP12 11 2 MAIN 2 4 Power Line Signal Line ...

Страница 43: ...Schematic Diagrams Samsung Electronics 11 3 TP25 TP27 TP26 TP24 11 3 MAIN 3 4 TP24 TP26 TP25 IC801 1 PIN TP27 T444 10 PIN Power Line Si l Li ...

Страница 44: ...Schematic Diagrams 11 4 Samsung Electronics 11 4 MAIN 4 4 Power Line Signal Line ...

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