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Disassembly and reassembly

Samsung Electronics

3-1

3. Disassembly and Reassembly

3-1 Back Cover Removal

1. After removing the 7 screws, pull the cabinet backwards.

Содержание CF533CN3X/XEF

Страница 1: ...44N3X XEF 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 PCB Layout Diagram Wiring Diagram 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: ...F CII P AL I VHF UHF CX P AL B G SE C AM B G CK P AL B G D K SE C AM B G D K CB P AL B G CF SECAM L L PAL SECAM B G SYSTEM BAND PAL SECAM B G I PAL SECAM D K SECAM K1 PAL D VHF 2 12 1 13 2 9 UHF 21 69 21 69 13 57 SYSTEM BAND PAL SECAM B G PAL SECAM D K K1 PAL I SECAM L Picture IF Carrier 38 90 38 90 38 90 38 90 Sound IF Carrier 33 40 32 40 32 90 34 40 Color Sub Carrier 34 47 34 47 34 47 34 47 25 I...

Страница 7: ...6S SOUND AMP 5W CH IC701 6 TDA9859 AUDIO PROCESSOR IC801 7 KA3S1265R SMPS IC 12A IC802 8 PC123Y PHOTO COUPLER IC803 9 78R05 SWITCHING REGULATOR IC804 10 KA7630 SWITCHING REGULATOR 5 8V IC901 11 SPM171EE MICOM IC902 12 24W16 EEPROM ICE01 13 4558 EW DRIVE AMP ICN01 14 TDA9814T SIF DETECTOR SECAM L NICAM MODULE ICN02 15 TDA9874H NICAM DEMODULATOR ICA01 16 LA7567N SIF DETECTOR A2 STEREO MODULE ICA02 1...

Страница 8: ...884X Pin 56 SPM171EX Pin 52 24W16 Pin 8 TDA9859 Pin 32 IC TRANSISTOR TRANSISTOR KA7630 KA7812 IN G OUT TRANSISTOR TRANSISTOR 2SD1651 2SD1650 KSD5072 KSD5071 KSD1711 B C E E B C KSA815 Y KSA539 Y IC UPC574J or KA33V G1962 K2950M K9253M G3956M SAW FILTER 1 E C B KSR1012 KSR1010 KSR2010 Fig 2 1 Semiconductor Base Diagrams ...

Страница 9: ...2 4 Samsung Electronics MEMO ...

Страница 10: ...Disassembly and reassembly Samsung Electronics 3 1 3 Disassembly and Reassembly 3 1 Back Cover Removal 1 After removing the 7 screws pull the cabinet backwards ...

Страница 11: ...e the AC cord from CN801 6 Separate the DC connector from CN401 7 Separate the CN501B 8P CRT connector from CN501 8 Separate the CNA05 5P A V side connector from CN602 9 Separate the CNA01 8P CRT connector from CN701 10 Separate the Focus Screen Wire from the FBT clamper 11 Separate the TBC wire 2P speaker wires from the wire clamper 12 Separate the CN701 CN602 connector from the wire clamper 13 S...

Страница 12: ...r Removal Disassembly and reassembly Samsung Electronics 3 3 7 1 Remove the speaker by pressing the tension rib 1 Separate the speaker wires from D coil located on the bottom to the right side 2 Remove the screws ...

Страница 13: ...CRT backwards 2 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 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 ...

Страница 14: ...his adjustment must be the last step 4 2 Factory Service Mode 4 2 1 Procedure for the Adjustment Mode 1 This mode uses the standard remote control The Service Mode is activated by entering the following remote control sequence 1 STAND BY DISPLAY MENU MUTE POWER ON 2 The ÒSERVICE FACTORY Ó message will be displayed The Service Mode has three compo nents Adjustment Option and Reset 3 Access the Adju...

Страница 15: ...ONTROLLED OSCILLATOR 0 1 VOL VOLUME INITIAL LEVEL 0 63 PSL PAL VERTICAL SLOPE 0 63 PVS PAL VERTICAL SHIFT 0 63 PVA PAL VERTICAL AMPLITUDE 0 63 PHS PAL HORIZONTAL SHIFT 0 63 PEW PAL E W WIDTH 0 63 PEP PAL E W PALABOLA 0 63 PEC PAL E W CORNER 0 63 PET PAL E W TRAPEZIUM 0 63 VSC VERTICAL SCROLL 0 63 TSC TELETEXT SUB CONTRAST 0 63 SA SEPARATION ADJUSTMENT STEREO 0 15 QEW Q 12 8 9 MODEL E W WIDTH 0 7 P...

Страница 16: ...ode is not cancelled The AGING mode is cancelled by repressing the ÒHIDDENÓ or any key on the front pannel FACTORY MODE VALUE OSD INITIAL OSD INITIAL OSD INITIAL 2 CH LCO 1 FIXED TSC 20 FIXED AGC 10 VOL 25 SA 7 VCO 80 FIXED PSL 31 FIXED QEW 5 SBT 7 PVS 31 PCT 7 FIXED SCT 16 PVA 31 PTT 31 FIXED SCR 5 FIXED PHS 40 PHM 8 FIXED SC 11 FIXED PEW 38 PVP 31 FIXED RG 31 PEP 22 PHP 31 FIXED BG 31 PEC 22 NSR...

Страница 17: ...ULT POLAND POLAND MODEL ONLY LANGUAGE WEST ENG GER FRA DUT SPA ITA SWE WEST EUROPE MARKET ENGLISH GERMANY FRANCE NETHERLANDS SPAIN ITALY SWEDEN EAST ENG CZE CRO RUM HUN POL EAST EUROPE MARKET ENGLISH CZECH CROATIA ROMANIA HUNGARY POLAND SYSTEM CF SECAM L L PAL SECAM B G CI PAL I UHF BAND ONLY CK PAL SECAM B G D K CX PAL SECAM B G CB PAL B G ATS OPTION ON OFF ATM FUNCTION NOT USED FIELD POL FIELD P...

Страница 18: ...empt 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 4 3 2 Automatic Degaussing A degaussing coil is mounted around the pic ture tube so that external degaussing after moving the TV should be unnecessary But the receiver must be properly degaussed up...

Страница 19: ...K to an oscilloscope probe 2 Input a gray scale pattern Use a pattern generator PM5518 3 Use the Picture mode for the STANDARD pic ture 4 Adjust the Screen VR on the FBT so that the voltage on the oscilloscope becomes 140 2 5V See Fig 4 1 4 3 6 Purity Adjustment 1 Warm up the receiver for at least 20 minutes 2 Plug in the CRT deflection yoke and tighten the clamp screw 3 Plug the convergence yoke ...

Страница 20: ...AMP SCREW 6 POLE CONVERGENCE 4 POLE CONVERGENCE Fig 4 3 Center Convergence Adjustment 31m m Vertical Green Belt Fig 4 4 1 2 a Set up 1 Warm up the TV for at least 30 minutes in the White Pattern 2 Input a Toshiba pattern b High Light Adjustment Set SCT to 40 5 fL in the Factory Service Mode with using CA100 See Fig 4 4 c Low Light Adjustment Set SBT to 1 5 0 2 fL in the Factory Service Mode with u...

Страница 21: ...bs at the same time keeping the angle constant and superimpose the red and blue horizontal line in the center of the screen 6 Adjust the two tab pairs of the 6 pole magnets to superimpose the red and blue line onto the green Changing the angle affects the vertical lines and rotating both magnets affects the horizontal lines 7 Repeat adjustments 2 6 if necessary 8 Since the 4 pole magnets and 6 pol...

Страница 22: ...ust PVS so that the picture is vertically centered 3 Adjust with PVA so that the top and bottom margins of the picture are 4 4 Adjust PHS so that the picture is horizontally centered 5 Adjust with PEW so that the left and right margins of the picture are 5 6 Input a crosshatch pattern 7 Adjust PEP PEC PET for vertical linearity 4 4 5 5 ...

Страница 23: ...bleshooting 5 1 No Video Raster On No Sound Yes No Check Replace TU101 HC101 No Measure the Voltage of each of 8 pins of TU101 Check IC901 Pins 39 40 See No Video Sound OK See No Sound Video OK Check Replace IC901 IC201 IC902 IC701 Audio Module Yes ...

Страница 24: ... Check IC804 Pin 9 5V Check Replace IC801 D802 Check Replace IC804 KA7630 DZ905 DZ804 Check IC901 Pin 18 Stand by 0V Normal 5V Check Replace IC901 Check IC901 Pin 8 4V Check Replace IC901 m com Check IC201 Pin 40 H out Check Replace IC201 Q402 Q403 No Check Q402 Q403 Check Replace DZ805 IC802 Yes Yes Yes ...

Страница 25: ...IC201 Pin 6 CVBS Check Replace IC201 Check IC201 Pins 19 20 21 R G B OUT Check IC202 pin 27 Y IN Check Replace IC201 D205 DZ204 Check IC501 on the CRT PCB Check Replace IC501 Check Replace R505 HEATER 6 3Vrms CRT V999 Yes No Check IC201 Pin 12 37 8V Check Replace IC804 KA7630 Yes Yes 2Vp p ...

Страница 26: ... Sound output CHECK REPLACE IC601 R601 R602 CHECK IC701 Pin 15 18 Yes Yes No Yes 1 14 15 2 5 5 Power OFF ON Repeatedly CHECK Q403 COLLECTOR H PULSE SEE NO POWER NO YES CHECK IC901 PIN26 H SYNC CHECK REPLACE IC901 Q907 C913 DZ402 NO YES CHECK IC301 PIN7 V BLANK CHECK REPLACE Q301 Q302 D304 YES NO CHECK PIN6 16 5V PIN1 14V CHECK REPLACE R409 R413 D407 D410 DZ302 DZ303 NO YES CHECK REPLACE IC301 IC20...

Страница 27: ...lectronics 5 5 5 6 SMPS Power Supply Does Not Function 1 When F 802 is open C heck Replace F802 IC 801 D802 2 When F 802 is okay but SMP S does not function C heck Replace DZ801 DZ808 IC 802 DZ805 3 Others See 5 Troubleshooting ...

Страница 28: ...40053A STOPPER PCB ALL MODEL HIPS HB WHT HB 1 1 9 3001 000150 SPEAKER 20W 8ohm 91dB 130Hz 2 1 10 6002 000514 SCREW TAPPING RH 2 M4 L15 ZPC BLK SWRCH18 8 1 11 AA61 10068A BRACKET PCB M2160 SPTE T0 3 1 1 12 AA95 40012A ASSY SOUND S51A SECAM L NICAM CF ALL 1 1 13 HA64 10613A KNOB CONTROL ABS HB BLK 5944 1 1 14 HA64 40395A INDICATOR LED ACRYL HB CLR 5944 1 1 15 HA64 40394A WINDOW REMOCON ABS HB LG 413...

Страница 29: ...3 000782 R METALOXIDE S 7 5Kohm 5 2W AA TP 4x1 R811 2003 000462 R METALOXIDE S 10Kohm 5 2W AA TP 4x12 R815 2004 004089 R METAL 123KOHM 1 1 2W AA TP 2 5X6 5M RP803 1404 001048 THERMISTOR PTC 7OHM 30 200 220V 270V 19 T401 AA26 50001BHORIZ DRIVE 7 1MH 102UH 10 20UH YL081 T444 AA26 30005YTRANS FLYBACK FSV 20B0001A 20 125V T801 AA26 20007WTRANS SWITCHING 90 260V 130 15 5 12 8V ASSY SPEAKER 3001 000280 ...

Страница 30: ... 6 OD10 7 H10 N4 HA64 10662AKNOB POWER M CX 703C ABS HB BLK HA64 40421AINDICATOR LED CX703C ACRYL HB CLR HA64 40422AWINDOW REMOCON CX703C PC V0 BLK HA64 50221ADOOR CONTROL CX 703C HIPS HB BLK HA64 10663AKNOB CONTROL CX 703C ABS HB BLK Electrical Parts List 7 2 Samsung Electronics ASSY PCB MAIN BUYER SEF HA94 100434 ASSY PCB MAIN CF593CN3X XEF S51A SEB 01 ASSY PCB CONTROL HA95 900014 ASSY PCB CONTR...

Страница 31: ...SC 470pF 10 500V Y5P TP 7x4 5 C419 2401 001397 C AL 470uF 20 25V GP 10x16mm 5mm T C421 2401 002619 C AL 47uF 20 25V GP TP 5x11 5 C422 2306 000122 C FILM MPPF 100nF 5 50V TP 7 3x4 0x5 0mm C423 2201 000556 C CERAMIC DISC 470pF 10 500V Y5P TP 7x4 5 C424 2401 001527 C AL 47uF 20 250V HR TP 13x25mm 5m C425 2305 000154 C FILM MPEF 100nF 5 400V TP 21 5x6 5x11 5 C427 2201 000984 C CERAMIC DISC 680pF 10 2K...

Страница 32: ...V 5 45 5 73V 500mW D602 0401 000005 DIODE SWITCHING 1N4148 75V 300MA DO 35 TP D801 0402 000213 DIODE RECTIFIER ERB12 06 600V 1 0A DO 41 TP D802 0402 001160 DIODE BRIDGE D5SB60 600V 2 8A SIP 4 ST D803 0402 000546 DIODE RECTIFIER TVR10G 400V 1 0A DO 41 TP D804 0401 000005 DIODE SWITCHING 1N4148 75V 300MA DO 35 TP D805 0402 001230 DIODE FMG G2CS D806 0402 000493 DIODE RECTIFIER 1R5GU41 400V 1 5A DO 1...

Страница 33: ...2MM R225 2001 001026 R CARBON 910ohm 5 1 8W AA TP 1 8x3 2mm R226 2001 000793 R CARBON 47OHM 5 1 8W AA TP 1 8X3 2MM R230 2001 000331 R CARBON 12KOHM 5 1 8W AA TP 1 8X3 2MM R233 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 2MM R234 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 2MM R235 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 2MM R236 2001 000832 R CARBON 510OHM 5 1 8W AA TP 1 8X3 2MM R237 ...

Страница 34: ...L 10KOHM 1 1 8W AA TP 1 8X3 2MM R908 2001 000241 R CARBON 1 5KOHM 5 1 8W AA TP 1 8X3 2M R909 2004 001126 R METAL 6 2KOHM 1 1 8W AA TP 1 8X3 2M R910 2001 000924 R CARBON 680OHM 5 1 8W AA TP 1 8X3 2MM R911 2001 000214 R CARBON 1 1KOHM 5 1 8W AA TP 1 8X3 2M R912 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2M R913 2001 000241 R CARBON 1 5KOHM 5 1 8W AA TP 1 8X3 2M R914 2001 000472 R CARBON 2 7KOHM...

Страница 35: ...2401 000480 C AL 10uF 20 50V GP TP 5x11 5 CN16 2401 000480 C AL 10uF 20 50V GP TP 5x11 5 CN17 2401 000480 C AL 10uF 20 50V GP TP 5x11 5 CN18 2203 000925 C CERAMIC CHIP 470NF 80 20 50V Y5V TP CN19 2203 000925 C CERAMIC CHIP 470NF 80 20 50V Y5V TP CN20 2203 000925 C CERAMIC CHIP 470NF 80 20 50V Y5V TP CN21 2203 000802 C CERAMIC CHIP 33NF 10 50V X7R TP 2012 CN22 2203 002442 C CERAMIC CHIP 330NF 80 20...

Страница 36: ... CORD CP2 NO 4 0 H C450 KKJ1004A ASSY SPEAKER 3001 000150 SPEAKER 20W 8ohm 91dB 130Hz AA39 20452F LEAD CONNECTOR ASSY YFH800 01 CLIP 1P 600MM 1617 AA39 20502ALEAD CONNECTOR ASSY SMH025 04 REC 4P 300 700 100 REMOCON AA59 10117AREMOCON DP TM59 AA59 10116A ASSY ACCESSORY HA68 00336ACARD WARRANTY A P100 G A5 WARRANTY IN HA68 00332AMANUAL USERS S51A GER FRA A P100 G AA63 30190ACOVER JACK 5944 ELASTOMER...

Страница 37: ...16 AC INPUT AC230V OR 220 240V SMPS TRANS CRT SPM 171EE IC MCU TTX RGB AMP TDA6108 TUNER TELE4 108A FBT FUH 29A003 VERTICAL AMP LA7845 H OUT TR STR KA3S1265R KA7630 H E A T E R V H HV 16 5V 14V 16 5V 180V 5V 8V 15V 155V SIF SAW FILTER TDA9814T SIF DETECTOR TDA9874 NICAM DECODER TDA9859 TDA7297 SPEAKER 8W 10W X 2 AUDIO PROCESSOR 2CH AUDIO AMP AUDIO MODULE ...

Страница 38: ...48 DZ302 107 121 DZ303 99 108 DZ304 102 131 DZ305 94 133 DZ306 118 135 DZ402 90 91 DZ403 75 165 DZ501 309 190 DZ502 316 190 DZ503 296 190 DZ505 321 190 DZ601 223 213 DZ602 223 215 DZ603 223 223 DZ604 223 220 DZ701 49 148 DZ702 54 148 DZ703 59 148 DZ704 41 141 DZ705 64 148 DZ801 231 33 DZ802 218 26 DZ803 150 122 DZ804 177 120 DZ805 183 12 DZ807 166 120 DZ808 209 19 DZ901 227 165 DZ904 211 145 DZ905...

Страница 39: ...cs 10 1 FOCUS SW801 M I C O M S O U ND AMP CN602 P IP T T X MO D UL E T D A 8 8 4 4 T U N E R A U D I O M O D U L E CN701 CN502 CN401 S MP S T R ANS CN501 CN501B A S S Y P W B MA IN C R T ANODE DY SCREEN SOCKET CRT F B T CN701A CN06A CN05A R L ASSY PWB FRONT A V ...

Страница 40: ...10 2 Samsung Electronics MEMO ...

Страница 41: ...51 50 1 2 3 8 4 5 6 7 10 9 11 Schematic Diagrams 11 1 Samsung Electronics 11 Schematic Diagrams 11 1 MAIN Power 21 Power Line Signal Line 1 2 3 4 5 6 7 8 9 10 11 50 51 ...

Страница 42: ...Schematic Diagrams 11 2 Samsung Electronics 11 2 MAIN Power 25 30 Power Line Signal Line 1 2 3 4 5 6 7 8 9 10 11 12 50 51 51 50 1 2 8 4 5 6 7 10 11 12 9 3 ...

Страница 43: ...matic Diagrams 11 3 Samsung Electronics 11 3 PWB MAIN One Chip 13 29 30 28 27 26 25 24 23 22 18 19 20 17 21 15 16 32 31 14 Power Line Signal Line 24 23 25 26 27 28 29 30 31 32 22 21 20 19 18 17 16 15 14 13 ...

Страница 44: ...Schematic Diagrams 11 4 Samsung Electronics 11 4 PWB MAIN u COM 33 41 42 40 34 39 38 37 35 36 Power Line Signal Line 33 34 35 36 37 38 40 41 42 39 ...

Страница 45: ...11 5 Samsung Electronics 46 47 48 49 Power Line Signal Line 11 5 PWB MAIN u COM 36 37 38 39 34 35 40 41 42 33 Power Line Signal Line 33 34 35 36 37 38 40 41 42 39 ...

Страница 46: ...Schematic Diagrams 11 6 Samsung Electronics 46 47 48 49 11 6 PWB MAIN A V SWITCHING Power Line Signal Line 46 47 48 49 ...

Страница 47: ...11 7 Samsung Electronics 11 7 PWB SOUND Nicam Dolby ...

Страница 48: ...Schematic Diagrams 11 8 Samsung Electronics 11 8 PWB MAIN Sound Module Mono ...

Страница 49: ...Schematic Diagrams 11 9 Samsung Electronics 11 9 PWB MAIN CRT V M Power Line Signal Line 43 44 45 43 43 45 45 44 44 OPTION ...

Страница 50: ...Schematic Diagrams 11 10 Samsung Electronics 11 10 PWB MAIN SOUND MODULE A2 STEREO ...

Страница 51: ...Schematic Diagrams 11 11 Samsung Electronics 11 11 PWB MAIN SOUND MODULE L NICAM ...

Страница 52: ...Schematic Diagrams 11 12 Samsung Electronics 11 12 PWB MAIN A V FRONT VIDEO SWITCH RGB S W MODULE ...

Страница 53: ...ELECTRONICS Samsung Electronics Co Ltd JUL 1999 Printed in Korea 3S51A 4418 ...

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