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Samsung CS21K3DX/BWT, Service Manual

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5-2

Samsung Electronics

5-2 No Video (Sound OK)

Troubleshooting

Nornal

Nornal

Nornal

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Nornal

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Nornal

Abnormal

Abnormal

Abnormal

Abnormal

Abnormal

Abnormal

Abnormal

Check RK,GK,BK

Signal

Check R,G,B

Signal into CRT

PCB

Check the

resistance of R512

Check IC201S

Pin 49(V-GUARD)

Pin50(IK)

Check IC501

B+(180V-B)

Check the

Voltage of heater

Check

CRT and FBT

Check/Replace

D407,FBT

Re-Adjust

Screen Voltage

Replace

R512

Check

CRT and FBT

Check/Replace

IC201S

Check/Replace

R418,R513,D503

Check IC201S

Pin 51,52,53

(R.G.B)

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Summary of Contents for CS21K3DX/BWT

Page 1: ...BWT VWT NWT COLOR TELEVISION RECEIVER CONTENTS Precautions Specifications and IC Data Disassembly and Reassembly Alignment and Adjustment Troubleshooting Exploded View and Parts List Electrical Parts...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd APR 2001 Printed in Korea 3KS1B 2101...

Page 3: ...le brackets 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...

Page 4: ...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 potent...

Page 5: ...and accessible 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 Conn...

Page 6: ...rical 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...

Page 7: ...Carrier Frequency Picture IF Carrier Sound IF Carrier Color Sub Carrier 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...

Page 8: ...PHOTO COUPLER SPM802ER TTX English Croatian Romanian Hungarian Polish Czech Bulgarian Russian Portugal IC201S Philips Philips Philips SPM802ERN W O TTX English Croatian Romanian Hungarian Polish Czec...

Page 9: ...ER Pin 64 X24CO8P Pin 8 KS24C080 Pin 8 U4468B Pin 16 IC TRANSISTOR LA7845 TDA6107Q KA7632 TRANSISTOR TRANSISTOR 2SD1651 2SD1650 2SD2499 KSA614 KSD5703Y B C E E B C KSC815 Y KSA539 Y BC548 KTC9014 IC U...

Page 10: ...2 4 MEMO...

Page 11: ...cs 3 1 Disassembly and reassembly 3 Disassembly and Reassembly 3 1 Back Cover Removal 1 After removing the screws press the tension rib and pull the cabinet backwards 2 To reassemble press the tension...

Page 12: ...eparate 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 An...

Page 13: ...3 3 Speaker Removal Disassembly and reassembly Samsung Electronics 3 3 1 Remove the speaker by pressing the tension rib 1 Remove the screws 2 Remove the speaker by pressing the tension rib...

Page 14: ...T to the front cabi net Lift the CRT 3 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 a...

Page 15: ...st step 2 If the EEPROM or CRT is replaced set PVA to 40 factory mode and set SC as follows 14 inch 0 20 inch 9 21 inch 9 21 inch Flat 10 4 2 Factory Service Mode 4 2 1 Procedure for the Adjustment Mo...

Page 16: ...r t i cal S lope 0 63 VS Ver t i cal Shi f t 0 63 VA Ver t i cal Am pl i tud e 0 63 HS Hor i zont al Shi f t 0 63 SC S Cor r ec t i on 0 63 CDL Cat hode Dri ve Level 0 15 STT Sub Ti nt 0 7 SSP Sub Sha...

Page 17: ...tion Bytes In the Service Mode various can be selected via the Option Table Example 1 2 3 4 5 6 7 8 9 10 11 Option Table xx xx xx xx LNA SYSTEM AUDIO JACK ZOOM AUTO POWER SBL 2nd SIF HOTEL MODE BKS HI...

Page 18: ...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 t...

Page 19: ...loscope probe 2 Input a gray scale pattern Use a pattern gen erator PM5518 3 Use the P mode key on the remote control for the STANDARD picture 4 Adjust the Screen VR on the FBT so that the voltage on...

Page 20: ...ment 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 Aging Mode OSD White This mode is dis played by entering the following sequence DISPLAY FACTORY FACT...

Page 21: ...nd the blue vertical lines in the center area of the screen 5 Turn the both tabs at the same time keeping the angle constant and superimpose the red and blue horizontal line in the center of the scree...

Page 22: ...so that the lion head circle becomes oval 3 Adjust with VS Vertical shift so that the top margin of the picture is 4 Fig 4 7 4 Adjust with VSL Vertical Slope so that the bottom margin of the picture...

Page 23: ...l Abnormal Abnormal Abnormal Counect the Power code Check the Power LED Check the X tal SDA SCL port of IC201S Check the 33 Pin H Drive of IC201S Check the 130V A Line Check the 3 3V A 8V A Line of IC...

Page 24: ...mal Abnormal Check RK GK BK Signal Check R G B Signal into CRT PCB Check the resistance of R512 Check IC201S Pin 49 V GUARD Pin50 IK Check IC501 B 180V B Check the Voltage of heater Check CRT and FBT...

Page 25: ...re Check Replace IC601 Check B Line 5V B 8V B Check IC101 TUNER Check Replace IC201S See No Power Check IC101 TUNER Replace IC602 Replace IC610 R611 Replace FD801S D805 Check IC602 Pin8 9 Check IC601...

Page 26: ...Lines Appear or Screen 5 5 No TTX Abnormal See No Video Sound ok Check IC201S Check Replace IC201S Normal Normal Normal Abnormal Abnormal Check R413 R414 D405 D406 Check IC201S Check IC201S Pin 21 22...

Page 27: ...NTR 1 1 9 AA96 00358E ASSY SPEAKER 8ohm 5W 3001 000274 400 6 2 1 10 6003 001019 SCREW TAPTITE RH B M4 L12 ZPC BLK SWR 8 SPK CF 1 11 AA64 01436B INDICATOR LED 29K3 ACRYL CLR 1 1 12 AA64 01435B WINDOW R...

Page 28: ...63A ASSY SPEAKER 8OHM 3W 3001 001020 300M 2 1 7 6003 001019 SCREW TAPTITE RH B M4 L12 ZPC BLK SWR 4 SPK CF 1 8 AA64 01702B KNOB CONTROL 21K2 ABS G3676 SV104M W971 1 1 9 6003 001019 SCREW TAPTITE RH B...

Page 29: ...405 AA27 00159A COIL HORIZ WIDTH 140UH 140UH YL 81 DR 1 3 L808 AA27 00098A COIL CHOKE 24uH 10 0 1 3 0A DR10X 3 LD201 AA96 00555A ASSY LED GUIDE UEX LD 030 GREEN S N A 3 LX801S AA29 30002F FILTER LINE...

Page 30: ...0402 000534 DIODE RECTIFIER RG10V 400V 1 2A DO 201 T 4 D406 0402 000540 DIODE RECTIFIER RU20A 600V 1 5A TP 4 D407 0402 000546 DIODE RECTIFIER TVR10G 400V 1 0A DO 41 T 4 D501 0402 001105 DIODE RECTIFI...

Page 31: ...ARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 4 R272 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM 4 R273 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 4 R274 2001 000281 R CARBON 100OHM 5 1 8W AA TP...

Page 32: ...5 00011C CLAMP WIRE ALL MODEL NYLON 66 V2 NTR 25M S N A 2 AA96 00358E ASSY SPEAKER 8ohm 5W 3001 000274 400 6 3 3001 000274 SPEAKER 5W 8ohm 90dB 160Hz 3 AA39 00102S LEAD CONNECTOR ASSY 4P 35155 0400 RE...

Page 33: ...2594 C AL 220uF 20 16V GP TP 8x11 5 5 4 C104 2401 000480 C AL 10uF 20 50V GP TP 5x11 5 4 C105 2305 000665 C FILM MPEF 100nF 5 63V TP 7 5x4 0x5 0m 4 C106 2401 002619 C AL 47uF 20 25V GP TP 5x11 5 4 C10...

Page 34: ...9 01V 500 4 DZ213 0403 000508 DIODE ZENER MTZJ5 6B 5 6V 5 45 5 73V 500 4 DZ214 0403 000508 DIODE ZENER MTZJ5 6B 5 6V 5 45 5 73V 500 4 DZ215 0403 000508 DIODE ZENER MTZJ5 6B 5 6V 5 45 5 73V 500 4 DZ216...

Page 35: ...TP 1 8X3 2MM 4 R305 2004 004097 R METAL 1 6Kohm 2 1 2W AA TP 6 5x2 5m 4 R306 2001 000016 R CARBON S 1OHM 5 1 2W AA TP 2 4X6 4MM 4 R307 2004 004097 R METAL 1 6Kohm 2 1 2W AA TP 6 5x2 5m 4 R308 2008 00...

Page 36: ...B 140Hz 3 AA39 20501F LEAD CONNECTOR ASSY 3 2 P 67096 003 REC 2 AA61 40113A STOPPER PCB 501H HIPS HB NTR 2 AA64 01694B WINDOW REMOCON 15K2 ACRYL CLR 2 AA64 01697B DECORATION POWER 15K2 PC SEMI VIOLET...

Page 37: ...S W MULTI REGULATOR 3 3V TO MCU 8V TO MCU I 2C AUDIO A M P TDA 8944J FBT 21 F 25 29 FUH S VIDEO AUDIO I 2C VIDEO SI F SA W K9260M U4468B AUDIO IC M C U SP M 802X X X 2 3 2 4 32 21 22 50 53 44 28 2 3...

Page 38: ...Wiring Diagram CRT PCB POWER CORD 8 7 6 5 4 3 1 2 SOUND L IN SOUND R IN SOUND L OUT SOUND R OUT VIDEO IN GND VIDEO OUT GND 1 2 3 4 HEAT N C GND 180V CN501B 1 2 5 3 4 GND IK G OUT B OUT R OUT CN501A C...

Page 39: ...9 2 MEMO...

Page 40: ...P06 TP12 TP13 TP15 TP11 TP10 TP08 TP09 TP14 TP07 Schematic Diagrams 10 1 Samsung Electronics 10 Schematic Diagrams 10 1 MAIN 1 3 Power Line Signal Line TP01 TP02 TP04 TP05 TP07 TP08 TP10 TP11 TP13 TP1...

Page 41: ...Schematic Diagrams 10 2 Samsung Electronics 10 2 MAIN 2 3 TP02 TP01 TP06 TP05 TP04 TP03 TP01 TP02 Power Line Signal Line TP01 TP02 TP01 TP02...

Page 42: ...Schematic Diagrams 10 3 Samsung Electronics 10 3 MAIN 3 3 TP02 TP01 TP01 TP02 Power Line Signal Line...

Page 43: ...Schematic Diagrams 10 4 Samsung Electronics 10 4 POWER...

Page 44: ...www s manuals com...

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