Samsung CS6202NX/EIS Service Manual Download Page 1

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COLOR TELEVISION RECEIVER

Chassis :

SCT12B

Model:

CS7202NBX/EIS
CS6202NX/EIS

COLOR TELEVISION RECEIVER

CONTENTS

Precautions

Specifications and IC Data

Disassembly and Reassembly

Alignment and Adjustments

Troubleshooting

Electric Parts List

System Block Diagrams

PCB Layout Diagram

Wiring Diagram

Schematic Diagrams

10.

Summary of Contents for CS6202NX/EIS

Page 1: ...02NX EIS COLOR TELEVISION RECEIVER CONTENTS Precautions Specifications and IC Data Disassembly and Reassembly Alignment and Adjustments Troubleshooting Electric Parts List System Block Diagrams PCB Layout Diagram Wiring Diagram Schematic Diagrams 1 2 3 4 5 6 7 8 9 10 ...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd SEP 1997 Printed in Korea 3SCT12B 02 65 ...

Page 3: ... 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...

Page 4: ...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...

Page 5: ...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...

Page 6: ...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...

Page 7: ...r PAL SECAM D K 1 13 21 69 PAL SECAM D K SECAM K1 38 90 32 40 34 47 SECAM K1 PAL D 2 9 13 57 PAL I 38 90 32 90 34 47 MODEL CI CII CX CK CW CS 25 Inch 28 29 Inch SED CPT PHILIPS CPT SED CPT PHILIPS CPT AC 100 260V 50 60Hz VHF UHF Telescopic dipole antenna 75 ohm unbalanced type 8 ohm 10W 10W Semi Dome SYSTEM PAL I UHF PAL I VHF UHF PAL B G SECAM B G PAL B G D K SECAM B G D K PAL B G D K SECAM B G D...

Page 8: ...CODER IC301 TDA8350Q VERTICAL DEFLECTION AMP IC401 KA7812 REGULATOR 12V IC501 TDA6101Q RGB DRIVE AMP IC502 TDA6101Q RGB DRIVE AMP IC503 TDA6101Q RGB DRIVE AMP IC504 SPK101T SPOT KILLER IC601 TDA7394 SOUND AMP 10W 10W TDA7266 SOUND AMP 7W 7W IC801 STR6709 POWER IC STR IC802 TDA8133 CUSTOM REGULATOR 5V 8V IC803 SE130N ERROR AMP SED CPT SE140N PHILIPS CPT IC804 KA78R05 REGULATOR 5V ICT01 SAA5281 P E ...

Page 9: ...TDA8395 Pin 16 TDA4665 Pin 16 IC TRANSISTOR TRANSISTOR TDA8133 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 SAW FILTER 1 E C B KSR1012 KSR1010 KSR2010 Fig 2 1 Semiconductor Base Diagrams 2 3 Semiconductor Base Diagrams ...

Page 10: ...2 4 Samsung Electronics Memo Memo ...

Page 11: ... UP key NVS NVA NSL NHS NEW NEP NEC NET 6 The VOLUME keys increase or decrease the adjustment values stored in the non volatile memory when Adjustment Mode is cancelled 7 Cancel the Adjustment Mode by re pressing the HIDDEN or STATUS keys 4 1 1 Factory Mode 1 Do not attempt these adjustments in the Video Mode 2 The Factory Mode adjustments are necessary when either the EEPROM IC902 or the CRT is r...

Page 12: ...NVA NHS NEW NEP NEC NET LCO TSC FUNCTION AUTO GAIN CONTROL VOLTAGE CONTROLLED OSCILLATOR SUB BRIGHT SUB CONTRAST SUB COLOR LEVEL ADJUSTMENT STEREO ADJUSTMENT RED CUTOFF GREEN CUTOFF BLUE CUTOFF S CORRECTION PAL VERTICAL SLOPE PAL VERTICAL SHIFT PAL VERTICAL AMPLITUDE PAL HORIZONTAL SHIFT PAL EW WIDTH PAL EW APRABOLA WIDTH PAL EW CORNER PARABOLA PAL EW TRAPEZIUM NTSC VERTICAL SLOPE NTSC VERTICAL SH...

Page 13: ...Service Mode is on The cursor will move to the test pattern Press the VOLUME keys On screen display o RED o GREEN o BLUE 3 AGING Mode Reference Only This pattern is used for pre heating the CRT during manufacturing it is accessed in the factory by twice pressing the HIDDEN key Even if the TV power is cut off the Aging Mode is not cancelled The patterns are displayed at 5 sec intervals The AGING mo...

Page 14: ... CH NUMBER IS DISPLAY I AV 1 AV 2 MODE CH NUMBER IS NOT DISPLAY IN AV 1 AV 2 MODE AUTO ON MUTE OR POLAND SAFETY TABLE 1 4 2 4 Option Byte Table REMARKS SCART JACK RCA JACK BYTE 0 LANGUAGE TABLE 1 ZOOM TABLE 2 SYSTEM TABLE 3 STEREO MONO NON HYPER TUNER HYPER TUNER L H L H L H L H L H L H L H L H D7 D6 D5 D4 D3 D2 D1 D0 BIT 1 IDENT SAA7283 TDA9840 TDA9859 YES NO 2 SYMBOL DISPLAY YES YES 3 S MODE CON...

Page 15: ...RUMANIA CROATIA SZM 179CH CHINA ENGLISH CHINA TABLE 1 LANGUAGE BIT LOGIC L H BYTE 1 D0 SZM 155AR SZM 179CH NO MUTE IF NO RF INPUT MUTE IF NO RF INPUT SZM 157WTX 1 STAND BY LED TURNED ON IN STAND BY MODE 2 MUTE TURNED ON IF NO RF INPUT 1 STAND BY LED TURNED ON IN NORMAL MODE 2 MUTE IF NO RF INPUT SZM 159RTX NO MUTE IF NO RF INPUT MUTE IF NO RF INPUT SZM 177TV 1 STAND BY LED TURNED ON IN STAND BY MO...

Page 16: ... CB CX CS OSD DELETE DELETE B G I D K DELETE D K B G DELETE DELETE B G I M D K ACTION I I B G I D K B G L L D K B G B G B G B G None None None 4 6 None I OSD DELETE DELETE AUTO PAL NT4 43 SECAM DELETE AUTO PAL NT4 43 SECAM DELETE DELETE AUTO PAL SECAM NT3 58 NT4 43 ACTION PAL PAL AUTO PAL SECAM NT4 43 PAL SECAM PAL SECAM NT4 43 PAL AUTO AUTO PAL SECAM NT4 43 NT3 58 OSD DELETE DELETE AUTO PAL NT4 4...

Page 17: ...es 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 isolation transformer 4 3 2 Automatic Degaussing A degaussing coil is mounted around the picture tube so that external degaussing after moving the TV should be unnecessary But the receiver must be properly degaussed upon installation The degaussing coil ope...

Page 18: ...yoke forward and adjust for the best overall green screen 10 Temporarily tighten the deflection yoke 11 Produce blue and red rasters by adjusting the low light controls Check for good purity in each field 12 Tighten the deflection yoke 4 3 5 Screen Adjustment 1 Turn to the ACTIVE channel 2 Adjust the VR screen for a normal picture is no blooming or flyback line 3 Adjust the FOCUS control for well ...

Page 19: ... YOKE CLAMP SCREW 6 POLE CONVERGENCE 4 POLE CONVERGENCE 4 3 7 White Balance Adjustment 4 3 7 a High Light Adjustment 1 Input either a Lion Head or a pure white pattern 2 Warm up the TV for 30 minutes 3 Check the data in the Service Mode RG GG BG Should be 31 initially 4 Adjust RG BG in the Factory Mode 4 3 7 b Low Light Adjustment 1 Automatically accomplished during the high light adjustment ...

Page 20: ...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 pole magnets interact the dot movement is complex Fig 4 3 4 3 8 Center Convergence Adjustment Fig 4 3 Center Convergence Adjustment RED BLUE BLUE RED 4 Pole Magnet Movement GREEN RED BLUE RED BLU...

Page 21: ...tern 2 SET the SC Data steps 10 12 in the Factory Mode 3 Adjust with PVS starts blinking exactly at middle of the screen 4 Adjustment with PVA Top and Bottom margins of the picture are 4 5 Adjustment with PSL Bottom of picture to bottom of screen 6 Adjust PHS horizontally Center the picture 4 4 ...

Page 22: ...4 12 Samsung Electronics Memo Memo ...

Page 23: ...ics 5 Troubleshooting 5 1 No Video Raster On No Sound Yes No Check Replace TU101 No Measure the Voltage of Each Pin of TU101 Check IC901 Pins 39 40 See No Video Sound OK See No Sound Video OK Check Replace IC901 IC201 Yes ...

Page 24: ...Pin 9 5V Check Replace IC801 D801 Check Replace IC802 TDA8133 Check IC901 Pin 18 Stand by 0V Normal 5V Check Replace IC901 DZ903 DZ902 Check IC901 Pin 16 4V Check Replace IC901 µ com Check IC201 Pin 40 H out Check Replace IC201 Q401 Q402 No Check HIC801 Q401 Q402 Check Replace HIC801 Q401 Q402 Yes Yes Yes ...

Page 25: ...VBS Check Replace IC201 Check IC201 Pins 19 20 21 R G B OUT Check IC201 pin 27 Y IN Check Replace IC201 Q203 Check IC501 502 503 on the CRT PCB Check Replace IC501 502 503 Check Replace R411 R527 HEATER 6 3Vrms CRT V999 Yes No Check IC201 Pin 12 37 8V Check Replace IC802 TDA8133 Yes Yes ...

Page 26: ...ck IC601 Pin 3 13 Check Replace D809 R602 R603 IC601 Check Sound Module SDA SCL R L out Check Replace IC401 IC804 Check IC601 Pin Sound output Check Replace IC601 Check Sound Module 12V 5V Check Replace M601 Sound Module Yes Yes No Yes Yes 1 14 15 2 5 4 No Sound Video OK ...

Page 27: ...KNOB CONTROL 62 7202 ABS HB BLK 1 1 11 6002 000514 SCREW TAPPING KNOB RH 2 M4 L15 ZPC BLK SWR 2 S N A 1 12 AA64 40238A INDICATOR LED 62 7202 ACRYL 1 S N A 1 13 AA64 40060A WINDOW REMOCON ABS HB LG41338 6202 1 1 14 0601 000198 LED ROUND RED GRN 5 0mm 630 565nm 1 1 15 AA95 30002B ASSY PCB CONTROL SCT12B 1 1 16 AA91 60003A ASSY HOLDER SPK PP 8ohm 10W CT2199 2 1 17 6002 000522 SCREW TAPPING TH 2 M4 L1...

Page 28: ...0 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V C251 2305 000665 C FILM MPEF 100nF 5 63V TP 7 5x4 0x5 0m C252 2202 000796 C CERAMIC MLC AXIAL 1NF 10 50V Y5P TP 3 C255 2202 000861 C CERAMIC MLC AXIAL 12pF 5 50V CH TP 3 C256 2202 002037 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V C301 2305 000149 C FILM MPEF 100nF 5 100V TP 12x12 5x6 5 C302 2305 000285 C FILM MPEF 220nF 5 100V TP 20x18x11 5 C303 2...

Page 29: ...ODE RECTIFIER 1N4004 400V 1A DO 41 TP D207 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 T D208 0401 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 T D401 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 TP D402 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 TP D403 0402 000540 DIODE RECTIFIER RU20A 600V 1 5A TP D404 0402 000493 DIODE RECTIFIER 1R5GU41 400V 1 5A DO 15L D405 0402 000546 DIODE...

Page 30: ...3 2001 000281 R CARBON 100ohm 5 1 8W AA TP 1 8x3 2mm R204 2001 000281 R CARBON 100ohm 5 1 8W AA TP 1 8x3 2mm R205 2001 000005 R CARBON 390OHM 5 1 8W AA TP R206 2001 000429 R CARBON 1KOHM 5 1 8W AA TP R207 2001 000281 R CARBON 100ohm 5 1 8W AA TP 1 8x3 2mm R208 2001 000281 R CARBON 100ohm 5 1 8W AA TP 1 8x3 2mm R209 2001 000281 R CARBON 100ohm 5 1 8W AA TP 1 8x3 2mm R210 2001 000577 R CARBON 2Kohm ...

Page 31: ...2001 000429 R CARBON 1KOHM 5 1 8W AA TP R942 2001 000290 R CARBON 10KOHM 5 1 8W AA TP R943 2001 000449 R CARBON 2 2Kohm 5 1 8W AA TP 1 8x3 2m R944 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP R947 2001 001062 R CARBON S 10Mohm 5 1 2W AA TP 2 4x6 4 R948 2001 000449 R CARBON 2 2Kohm 5 1 8W AA TP 1 8x3 2m R950 2001 000449 R CARBON 2 2Kohm 5 1 8W AA TP 1 8x3 2m R954 2001 000734 R CARBON 4 7KOHM 5 1 8W AA...

Page 32: ...W AA TP 2 4x6 4 R521 2002 001009 R COMPOSITION 2 7Kohm 10 1 2W AA TP 3 7 R522 2002 001009 R COMPOSITION 2 7Kohm 10 1 2W AA TP 3 7 R523 2002 001009 R COMPOSITION 2 7Kohm 10 1 2W AA TP 3 7 R525 2002 001006 R COMPOSITION 4 7KOHM 10 1 2W AA TP 3 7 R526 2008 000278 R FUSIBLE S 82ohm 5 2W AA TP 3 9x10mm R527 2008 000189 R FUSIBLE 0 47ohm 10 2W AA TP 6x15 5mm R529 2001 000734 R CARBON 4 7KOHM 5 1 8W AA T...

Page 33: ...V Y5V TP CJ66 2401 002144 C AL 47uF 20 16V GP TP 5x11 5 CJ67 2401 002144 C AL 47uF 20 16V GP TP 5x11 5 CJ68 2401 001989 C AL 4 7uF 20 50V BP TP 5x11 5 CJ69 2203 000983 C CERAMIC CHIP 47nF 10 50V X7R TP 3216 CJ70 2401 000480 C AL 10uF 20 50V GP TP 5x11 5 CJ71 2203 000192 C CERAMIC CHIP 100nF 80 20 50V Y5V TP CJ72 2401 002144 C AL 47uF 20 16V GP TP 5x11 5 CJ73 2203 000274 C CERAMIC CHIP 10pF 0 25pF ...

Page 34: ...M 5 1 10W DA TP 2012 RJ95 2007 000282 R CHIP 100KOHM 5 1 10W DA TP 2012 RJ96 2007 000282 R CHIP 100KOHM 5 1 10W DA TP 2012 RL06 2007 000941 R CHIP 47KOHM 5 1 10W DA TP 2012 RL07 2007 001071 R CHIP 6 8KOHM 5 1 10W DA TP 2012 RL08 2007 001071 R CHIP 6 8KOHM 5 1 10W DA TP 2012 RL09 2007 000774 R CHIP 33KOHM 5 1 10W DA TP 2012 RN01 2007 000029 R CHIP 0OHM 5 1 10W DA TP 2012 TJ01 AA26 10004E TRANS IF 7...

Page 35: ...C4558 SAA7283 CN604 EEP ROM 24C04 A P IIC BUS IC MCU TO µ com B 5V STAND BY POWER ON POWER CORD BRIDGE DIODE STR6709 SWITCHING TRANS SWITCH MULTI REGULATOR TDA8133 REGULATOR 78R05 TO SOUND B B 130 155V SED PHILIPS CPT TO 1 CHIP B 8V TO TDA4665 TDA9814 TDA9840 SAA7283 FBT RGB AMP TDA6101Q TDA6101Q TDA6101Q CRT SOUND AMP 10WX2 TDA7394 SPEAKER 8ΩX2EA VERTICAL IC TDA8350Q H OUT TR 2SD1887 T900580 SAA5...

Page 36: ...IN GND SCT2 VIDEO IN GND SCT2 IN L SCT2 IN R SCT2 IN L SCT2 IN R POWER CORD 1 8 7 6 5 4 3 CUT OFF CVBS GND R 8V B GND 1 2 3 4 5 R OUT L OUT GND R OUT L OUT 1 2 3 4 5 6 130V 155V 200V GND HEATER GND 16 5V 1 2 3 4 F B B G R 2 9 G F B 1 7 6 5 4 3 GND CVBS HS VS SDA 5V 2 SCL ...

Page 37: ...10 2 Samsung Electronics Memo Memo ...

Page 38: ...10 Schematic Diagrams Samsung Electronics Schematic Diagrams 12 1 10 1 PWB MAIN One Chip ...

Page 39: ...10 2 PWB MAIN Power Schematic Diagrams 12 2 Samsung Electronics ...

Page 40: ...10 3 PWB MAIN m com Samsung Electronics Schematic Diagrams 12 3 ...

Page 41: ...10 4 SOUND MODULE Schematic Diagrams 12 4 Samsung Electronics ...

Page 42: ...Samsung Electronics 10 5 PWB MAIN Audio AMP Schematic Diagrams 12 5 ...

Page 43: ...10 6 PWB A V Schematic Diagrams 12 6 Samsung Electronics ...

Page 44: ...Samsung Electronics 10 7 PWB CRT Schematic Diagrams 12 7 ...

Page 45: ...10 8 PWB TTX Schematic Diagrams 12 8 Samsung Electronics ...

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