Samsung CS21M16MJZXNWT Service Manual Download Page 23 | Manualshive

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Samsung Electronics

Troubleshooting

5-1

5. Troubleshooting

5-1 No Video (Raster On, No Sound)

Yes

No

Open the IF Pin of Tuner

Check/Replace

TU01S

No

Measure the

Voltage of Each Pin

of TU01S

Check IC201S

Pins 2,3

See "No Video"

(Sound OK)

See "No Sound"

(Video OK)

Check/Replace

IC201S

Yes

No

Check/Replace

IC501, IC201S

Check IC201S

Pins 40,49,50

See "No Sound"

(Video OK)

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Summary of Contents for CS21M16MJZXNWT

Page 1: ... COLOR TELEVISION RECEIVER CONTENTS 1 2 3 4 5 6 7 8 9 10 Precautions Specifications and IC Data Disassembly and Reassembly Alignment and Adjustment Troubleshooting Exploded View and Parts List Electrical Parts List Block Diagram Wiring Diagram Schematic Diagrams SERVICE Manual ...

Page 2: ...l is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd Sep 2005 Printed in Korea AA82 03096A ELECTRONICS ...

Page 3: ...dle 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 6 Antenna Cold Check With the unit s 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 le...

Page 4: ...t 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 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 p...

Page 5: ...g 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 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 meg...

Page 6: ...trical 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 anti static 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 are ...

Page 7: ...uency 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 CX CK CW CS 14 Inch 20 Inch 21 Inch AC 160 300V 50 60Hz VHF UHF Telescopic dipole antenna 75 ohm unbalanced type 8 ohm 7W 7W MAX 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 ...

Page 8: ...108 LTV817B PHOTO COUPLER SPM802ER TTX English Croatian Romanian Hungarian Polish Czech Bulgarian Russian Portugal IC201S Philips Philips SPM802ERN W O TTX English Croatian Romanian Hungarian Polish Czech Bulgarian Russian Portugal VERTICAL OUTPUT LA7840 TDA7266S IC301 IC601 SOUND AMP 3W x 1CH or 3W x 2CH or 5W x 2CH IC801S KA5Q0765R POWER IC STR IC802 KA7632 CUSTOM REGULATOR 5V 8V 3 3V IC101 U446...

Page 9: ...64 SPM 802ER Pin 64 X24CO8P Pin 8 KS24C080 Pin 8 U4468B Pin 16 IC TRANSISTOR LA7840 TDA6107Q KA7632 TRANSISTOR TRANSISTOR 2SD1651 2SD1650 2SD2499 KSA614 B C E E B C KSC815 Y KSA539 Y BC548 KTC9014 IC UPC574J or KA33V SAW FILTER E C B KSR1012 KSR1010 KSR2010 KTD863 Y KSC2331 Y 1 1 1 G3956M K9260M Fig 2 1 Semiconductor Base Diagrams ...

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

Page 11: ...ics 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 rib see diagram ...

Page 12: ...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 ...

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

Page 14: ...RT 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 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 ...

Page 15: ...or CRT is replaced set PVA to 40 factory mode and set SC as follows 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 DISPLAY FACTORY 2 STAND BY DISPLAY MENU MUTE POWER ON 2 The SERVICE FACTORY message will be displayed The Service Mode has three compo nents...

Page 16: ... STT Sub tint 0 7 7 AKB Black current stabilization 0 1 0 PDL PAL delay 0 15 1 NDL NTSC delay 0 15 10 PSR PAL sub color 0 23 15 NSR NTSC sub color 0 23 10 VOL Volume pre setting 0 63 10 LCO SECAM L Vision IF 0 1 0 TXP TTX Position 0 15 9 MVOL Melody initial volume adjustment 0 50 10 FMWS Narrow band sound PLL window selection 0 1 0 AGCS IF AGC speed 0 3 1 OMD Off set IF demodulator 0 63 26 SCL Sof...

Page 17: ...ice Mode various can be selected via the Option Table Example Option Table XX XX XX XX 1 LNA ON 2 SYSTEM CZ 3 AUDIO STEREO 4 JACK 5 ZOOM NOR ZOOM 16 9 6 AUTO POWER ON 7 SBL OFF 8 2nd SIF ON 9 HOTEL MODE OFF 10 BKS ON 11 HIGH DEVIA ON 12 HELP MENU ON 13 TIME ON 14 V GUARD OFF ＳＣＡＲＴ ...

Page 18: ...e 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 upon installation The degaussing coil operates for about 1 sec ond after the...

Page 19: ...cture 4 Adjust the Screen VR on the FBT so that the voltage on the oscilloscope becomes 120 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 into the CRT and set in as shown in Fig 4 2 4 Input a black and white signal 5 Fully demagnetize the receiver by applying an exter...

Page 20: ...t 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 FACTORY 2 Input a Toshiba pattern b Low Light Adjustment 1 Set SBT to 3 5 0 5 fL in the Factory Service Mode with using CA100 See Fig 4 4 2 Adjust RG BG so that the levels are suitable to each local area c H...

Page 21: ...and 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 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 l...

Page 22: ...that the lion head circle becomes oval 3 Adjust with VSL Vertical Slope so that the bottom margin of the picture is 4 Fig 4 7 4 Adjust with VS Vertical shift so that the top margin of the picture is 4 Fig 4 8 5 Adjust with HS Horizontal Shift so that the lion head pattern and CRT centers are aligned Fig 4 9 6 Adjust HS using the width coil so that the left and right margins of the picture are 5 Al...

Page 23: ... On No Sound Yes No Open the IF Pin of Tuner Check Replace TU01S No Measure the Voltage of Each Pin of TU01S Check IC201S Pins 2 3 See No Video Sound OK See No Sound Video OK Check Replace IC201S Yes No Check Replace IC501 IC201S Check IC201S Pins 40 49 50 See No Sound Video OK ...

Page 24: ...B Lines Check IC802 Pin 8 8V Pin 9 9V Pin 10 5V Check Replace IC801S D801S D802S D803S D804S FP801S Check Replace IC802 KA7632 Check IC201S Pin 1 Stand by 0V Normal 3 3V Check Replace IC201S Check IC201S Pin 1 3 3V Check Replace IC201S µ com Check IC201S Pin 33 H out Check Replace IC201S Q401 Q402 ...

Page 25: ...No No Check IC201S Pin 40 CVBS Check Replace IC201S Check IC201S Pins 38 R214 R215 Check IC201S Pin 49 V GUARD Pin 50 Cut off Pin 51 53 R G B out Check Replace IC201S Check IC501 on the CRT PCB Check Replace IC501 Check Replace R421 R505 HEATER 6 3Vrms D503 CRT G1 pin CRT V999S ...

Page 26: ... V Front assembly Check IC201S Pin 44 Sound Out Check Replace IC201S Check IC601 Pin 3 13 B 10 12 5V Check Replace Q904 IC201S Check IC601 Check Replace IC601 Check IC601 Pins 6 0V Check Replace R814 R815 Yes Yes No Yes Yes 5 5 No TTX No See No Video Check IC201S Check Replace IC201S Yes ...

Page 27: ... N A T0015 AA64 03844A CABINET BACK 21M16 TT TSE SAVINA HIPS FV 1 T0022 AA64 03837A KNOB CONTROL 15 17M16 ABS HB G3676 SVM30 1 S N A T0023 AA64 03823A KNOB POWER 29M16 ABS HB G3676 SVM3012 1 T0057 AA64 70123A BADGE BRAND NEW AL L50 FLAT SILVER SAMSU 1 T0063 AA03 00403A CRT COLOR A51QDX993X 0MG 1 75MH 18MH 3 1 1 T0066 AA96 20109B ASSY POWER CORD CP2 NO 4 0 H C250 KKP 1 T0074 AA59 00332D REMOCON TM7...

Page 28: ...K30 TTSEC HIPS HB 1 T0015 AA64 03844A CABINET BACK 21M16 TT TSE SAVINA HIPS FV 1 T0022 AA64 04162A KNOB CONTROL 15K30 ABS HB G3676 SVM3012 1 S N A T0023 AA64 04161A KNOB POWER 15K30 ABS HB G3676 SVM3012 1 S N A T0057 AA64 70123A BADGE BRAND NEW AL L50 FLAT SILVER SAMSU 1 T0063 AA03 00403A CRT COLOR A51QDX993X 0MG 1 75MH 18MH 3 1 1 T0066 AA96 20109B ASSY POWER CORD CP2 NO 4 0 H C250 KKP 1 T0074 AA5...

Page 29: ... PS T1 0 D1 DREAM 60X25X S N A 4 CIS1 0205 001154 OIL SILICON G746 S N A 3 IC301 AA96 00244M ASSY HEAT SINK P LA78040N S AA64 00046 S N A 4 CIS1 0205 001154 OIL SILICON G746 S N A 4 T0088 1204 002121 IC VERTICAL DEF LA78040N TO220 7P PLA 4 M0081 6003 000335 SCREW TAPTITE RH 2S M3 L8 ZPC YEL SWR S N A 4 T0175 AA62 00046A HEAT SINK PS T1 0 D1 DREAM 60X25X S N A 3 IC802 AA96 00245A ASSY HEAT SINK P A...

Page 30: ... CARBON 27KOHM 5 1 8W AA TP 1 8X3 2MM 4 R208 2001 000591 R CARBON 3 3KOHM 5 1 8W AA TP 1 8X3 2MM 4 R602 2001 000591 R CARBON 3 3KOHM 5 1 8W AA TP 1 8X3 2MM 4 R605 2001 000591 R CARBON 3 3KOHM 5 1 8W AA TP 1 8X3 2MM 4 R115 2001 000645 R CARBON 330KOHM 5 1 8W AA TP 1 8X3 2MM 4 R202 2001 000660 R CARBON 33KOHM 5 1 8W AA TP 1 8X3 2MM 4 R721 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2MM 4 R841 20...

Page 31: ...TP 6 3x11 5 4 C206 2401 000050 C AL 10uF 20 16V GP TP 5x11 2 5 4 C220 2401 000050 C AL 10uF 20 16V GP TP 5x11 2 5 4 C812 2401 000262 C AL 100uF 20 160V HR TP 16x25 7 5 4 C817 2401 000302 C AL 100uF 20 25V GP TP 6 3x11 5 4 C823 2401 000302 C AL 100uF 20 25V GP TP 6 3x11 5 4 C915 2401 000302 C AL 100uF 20 25V GP TP 6 3x11 5 4 C308 2401 000360 C AL 100uF 20 50V GP TP 8x11 5 5 4 C307 2401 000365 C AL ...

Page 32: ...0300A PIN HINGE BRASS D2 36 HEAT SINK SN S N A 4 GT804 BH71 40300A PIN HINGE BRASS D2 36 HEAT SINK SN S N A 4 GT805 BH71 40300A PIN HINGE BRASS D2 36 HEAT SINK SN S N A 4 GT806 BH71 40300A PIN HINGE BRASS D2 36 HEAT SINK SN S N A 4 GT807 BH71 40300A PIN HINGE BRASS D2 36 HEAT SINK SN S N A 4 DZ909 0403 000716 DIODE ZENER MTZJ4 7B 4 59 4 77V 500MW DO 4 T0077 AA41 01027G PCB MAIN 21M16 21M20 FR 1 1 ...

Page 33: ...SSORY 1 M0045 AA92 09500A ASSYACCESSORY 21N11 RU KS9A FULL MONTY S N A 2 T0524 6902 000009 BAG PE HDPE T0 03 L400 W240 TRP 8 2 PE M S N A 2 T0903 AA26 90001C TRANS MATCHING 300ohm 75ohm PAL 40 890 2 T0075 AA42 00003A ANT ROD 3S 720mm ABS UL CSA 2 T0074 AA59 00332D REMOCON TM75 DEEP IMPACT 31 G6148 PAL EX 2 T0269 AA68 01120A MANUAL SERVICE CIS A4 6PAGE FOLD W S N A 2 AA68 03576A MANUAL 00 REGISTRAT...

Page 34: ... 001939 IC MULTI REG 7632 SIP 10P PLASTIC 3 3 4 M0081 6003 000334 SCREW TAPTITE RH 2S M3 L6 ZPC YEL SWR S N A 4 T0175 AA62 00055A HEAT SINK PS T1 0 35 15 25 D1 S N A 3 LD901 AA96 00555A ASSY LED GUIDE UEX LD 030 GREEN S N A 3 IC501 AA96 50311A ASSY HEAT SINK P VIDEO AA62 30175D TDA S N A 4 T0074 1201 001159 IC VIDEOAMP 6107 ZSIP 9P SINGLE PLA 4 M0081 6003 000334 SCREW TAPTITE RH 2S M3 L6 ZPC YEL S...

Page 35: ...1 8X3 2MM 4 R115 2001 000645 R CARBON 330KOHM 5 1 8W AA TP 1 8X3 2MM 4 R202 2001 000660 R CARBON 33KOHM 5 1 8W AA TP 1 8X3 2MM 4 R721 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2MM 4 R841 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2MM 4 R925 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2MM 4 R227 2001 000739 R CARBON 4 7MOHM 5 1 8W AA TP 1 8X3 2MM 4 R228 2001 000739 R CARBON 4 7MOHM 5...

Page 36: ...P TP 5x11 5 4 C709 2401 000480 C AL 10uF 20 50V GP TP 5x11 5 4 C820 2401 000481 C AL 10uF 20 50V WT TP 5x11 5 4 C219 2401 000603 C AL 1UF 20 50V GP TP 5X11 2 4 C212 2401 000649 C AL 2 2uF 20 50V BP TP 5x11 5 4 C221 2401 000660 C AL 2 2uF 20 50V GP TP 5x11 5 4 C604 2401 000660 C AL 2 2uF 20 50V GP TP 5x11 5 4 C605 2401 000660 C AL 2 2uF 20 50V GP TP 5x11 5 4 C822 2401 000722 C AL 2200uF 20 25V WT T...

Page 37: ...S D2 36 HEAT SINK SN S N A 4 GT807 BH71 40300A PIN HINGE BRASS D2 36 HEAT SINK SN S N A 4 DZ909 0403 000716 DIODE ZENER MTZJ4 7B 4 59 4 77V 500MW DO 4 T0077 AA41 01027G PCB MAIN 21M16 21M20 FR 1 1 1 6T 245 245 S N A 3 T444S AA26 00231A TRANS FBT FOK14A001 CPTTV 3 65mH 3166 FE 3 P803T 1404 001154 THERMISTOR PTC 4 5OHM 30 20 220V 270 3 C801 2401 001387 C AL 470uF 20 250V GP BK 25 4x40 1 3 C830 2401 ...

Page 38: ...0332D REMOCON TM75 DEEP IMPACT 31 G6148 PAL EX 2 T0269 AA68 01120A MANUAL SERVICE CIS A4 6PAGE FOLD W S N A 2 AA68 03576A MANUAL 00 REGISTRATION CARD BWT RU RUSSI S N A 2 M0596 AA68 03654F MANUALUSERS 00 COMM SAMSUNG NON RUSSIANS N A 2 T0610 AA68 03242E MANUAL SAFETY GUIDE All Model SAMSUNG 8L S N A 2 T0100 AA68 03723A MANUAL WARRANTY CARD CS14Y510X Samsung R S N A 2 T0100 AA68 03724A MANUAL WARRA...

Page 39: ...R AUDIO AMP 7W 2CH FBT S W TRANS AC DC Converter SMPS CONT ROLER KA7632 14N 21F CRT VIDEO AMP TDA6107 A 125V A 13V To FBT B To Sound AMP B UOC UOC RGB V Drive H Drive Pre AMP VIF SAW S W B 8V B 5V A 3 3V TUNER Back JACK RCA In Out OPTION SIF S W SIF IC MSP Option OPTION 180V 16 5V IF A V IN A V OUT OPTION MONO ...

Page 40: ...SOUND L OUT SOUND L IN SOUND R IN FRONT AUDIO IN GND 21 PIN AUDIO IN GND CRT PCB POWER CORD 1 2 3 4 5 180V GND CUT OFF B OUT G OUT R OUT HEAT NC 1 2 3 GND HEAT 180V 1 2 3 4 L OUT R OUT L OUT R OUT CN501B CN501 CN603 CN701 9 10 11 SOUND R OUT GND FRONT VIDEO IN 21 PIN VIDEO IN 6 7 8 ...

Page 41: ...9 2 MEMO ...

Page 42: ...s 10 1 Samsung Electronics 10 Schematic Diagrams 10 1 ONECHIP MICOM Power Line TP01 TP02 TP04 TP05 TP07 TP08 TP10 TP11 TP13 TP14 TP03 TP06 TP09 TP12 TP03 TP05 TP04 TP06 TP12 TP13 TP09 TP08 TP10 TP11 TP02 TP07 TP14 TP01 ...

Page 43: ...Schematic Diagrams 10 2 Samsung Electronics 10 2 SOUND EXT A V SCART Power Line ...

Page 44: ...Schematic Diagrams 10 3 Samsung Electronics 10 3 SOUND EXT A V RCA Power Line ...

Page 45: ...Schematic Diagrams 10 4 Samsung Electronics 10 4 POWER CRT VERTICAL HORIZONTAL TP01 TP02 TP03 TP04 TP05 TP06 Power Line TP06 TP05 TP04 TP03 TP02 TP01 ...

Page 46: ...Schematic Diagrams 10 5 Samsung Electronics 10 5 SUB PCB MONO ...

Page 47: ...Schematic Diagrams 10 6 Samsung Electronics 10 6 SUB PCB STEREO ...

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