Samsung CS21A9W2QS/MUR Service Manual Download | Manualshive

Page: 33 / 40

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5-3 No Sound (Video OK)

Troubleshooting

Samsung Electronics

5-3

Normal

Normal

Normal

Normal

Normal

Normal

Check

the signal Output

from CN602

Check

the Speaker and Wire

Check/Replace

the ICS01

Check the B+ Line

5V-B, 8V-B

Check

the IC101 Tuner

Check/Replace

the IC201S

Check

the IC101,TUNER

Check/Replace

the IC601

Check

the IC601

Pin #4, #12

Check

the ICS01

Pin #47

Check

the ICS01 B+

Check

the IC201S

Pin #32

Check

the IC601 B+

Abnormal

Abnormal

Normal

See

the No Power

Check/Replace

the IC601

Check

the FD801S,D806

Abnormal

Abnormal

Abnormal

Abnormal

Abnormal

* MONO

* STEREO

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Summary of Contents for CS21A9W2QS/MUR

Page 1: ...2QS MUR COLOR TELEVISION RECEIVER CONTENTS Precautions Reference Information Specifications Alignment and Adjustments Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams Wiring Diagram Schematic Diagrams 1 2 3 4 5 6 7 8 9 10 ...

Page 2: ...g Electronics Co Ltd Jul 2003 Printed in Korea AA82 00868A This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law ...

Page 3: ...RTICAL AMP H OUT TR AUDIO AMP 10W X 2CH FBT S W TRANS AC DC Converter SMPS CONT ROLER KA7632 CRT 21 FLAT SPEAKER VI DEO AMP 130V 13V To FBT B To Sound AMP B UOC UOC RGB V Dri ve H Dri ve Pr e AMP VI F SAW S W 8V 5V 3 3V TUNER JACK RCA SI F SAW S W SI F IC OPTION MSP OPTION 180V 16 5V PCB 245 X 245 ...

Page 4: ...rmer 4 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 operates for about 1 second after the power is switched ON If the set is moved or turned in a different direction the power should be OFF for at least 10 minutes If ...

Page 5: ...e If you do not have Factory remote control If you have Factory remote control PICTURE OFF PICTURE ON DISPLAY MENU MUTE PICTURE ON DISPLAY FACTORY 4 5 1 Service Mode 4 5 2 Factoy Mode OSD ADJUST OPTION 52 2A 48 G2 ADJUST RESET SPM 836EAN 2002 XX XX AGC SCT SBT BLR BLB RG GG BG VSL VS VA HS SC CDL 33 13 9 31 27 32 25 31 19 38 40 30 24 9 STT AKB PDL NDL PSR NSR VOL LCO TXP MVOL FMWS AGCS OMD SCL 7 0...

Page 6: ...45 20 Remark RF AGC Sub contrast high light adjustment Sub brightness low light adjustment Black level offset R low light R adjustment Black level offset B low light B adjustment White point R high light R adjustment White point G high light 25 fixed White point B high light B adjustment Vertical slope Vertical shift Vertical amplitude Horizontal shift S correction Cathode drive level Sub tint NTS...

Page 7: ... 1Ch 1Ch 1Bh 2Ah D3 D5 14h D5 D0 15h D15 D0 Initial Value 1 15 10 7 9 31 27 Remark Ident sensitivity PAL NTSC decoder DVD PAL sub color gain adjustment DVD NTSC sub color gain adjustment DVD Sub brightness low light adjustment DVD Cathode drive level DVD Black level offset R low light R adjustment DVD Black level offset B low light B adjustment ...

Page 8: ... ON OFF ON OFF ON EAST ASIA OFF Remark CIS ON CS CB CD MONO MONO BILI L STEREO L STEREO BILI STEREO NICAM RCA SCART RCA DVD NOR ZOOM 16 9 NOR ZOOM MUST ON OFF MUST OFF ON OFF ON OFF OPTION ON OFF EUROPE OFF OFF MUST OFF ON OFF EUROPE OFF EAST ASIA CHINA OFF MUST OFF 4 5 2 B OPTION ADJUST OPTION 52 2A 48 G2 ADJUST RESET SPM 836EAN 2002 XX XX 4 5 2 C G2 ADJUST Entering G2 Adjust Mode Screen Adjust D...

Page 9: ...r Vertical drive B out Vertical drive A out IF input 1 IF input 2 Reference current input Vertical sawtooth cap Tuner AGC out Audio deemphasis Decoupling sound demodulator GND 2 for TV Narrow band PLL filter Sound IF input AM output FUNCTION B out G out R out Black current in V guard in Beam current limiter in B in Pb in G in Y in R in Pr in F B in Audio output volume controlled GND EXT CVBS in GN...

Page 10: ...ONTROL TV MODE OV AV MODE HIGH 3 3V 4 5Mhz LOW 5 5 6 5Mhz HIGH Digital GND for MICOM TV MODE OV AV MODE HIGH 3 3V PAL HIGH NTSC LOW L LOW L HIGH Analog supply of TTX and Digital supply of TV 3 3V OTP Programming voltage Digital supply to core 3 3V Oscillator GND supply XTAL oscillator input XTAL oscillator output POWER ON 25ms HIGN LOW Digital supply to periphery 3 3V PRE AMP Signal input Select b...

Page 11: ...or Without Double Screen Turbo Sound Auto Volume Leveler Sound Mode Sound Tone Control Melody Sound On Off 0 0 0 Option P i c t u r e J a c k F u n c t i o n Broadcasting System Scan System Program ch Comb Filter VM Circuit Auto Kinetic Bias Noise Reduction CRT The Front The Side Back PIP Sleep timer Plug Play TTXT PAL MULTI EURO MULTI Progressive 100 181 200 AV In S VHS H Phone RF Jack AV In S VH...

Page 12: ...APILLON KS1C Multi 0 X 0 0 X 0 0 2 Option 10W x 2CH Before KS2A Multi 0 X 0 0 X 0 0 2 Option 10W x 2CH F u n c t i o n S o u n d OSD Language Auto Power Off Previous Channel Blue Screen Demo Mode Game Sound A2 Nicam Main R L Out TTL Out TTL Surround Speaker Quantity Speaker Type RMS CH RMS CH Section PAL ...

Page 13: ...n 2 R L 10W 10W Pseudo 1 X X 1 S y s t e m P i c t u r e J a c k Broadcasting System Channel Power On Program ch Tuner Scan System Comb Filter VM Velocity Modulation Auto Kinetic Bias Noise Reduction Color tone Control CTI Speaker System Stereo Speaker Sound Output Surround The Front The Side NTSC M AV NTSC VIT PAL SECAM B G D K I 100 181 200 Progressive 100Hz Line Stereo A2 Stereo Nicam Stereo Ma...

Page 14: ...0 J a c k F u n c t i o n Back PIP Turbo Sound Auto Stereo Audio Equalizer Plug Play Auto volume leveler Melody on off On Off timer Clock Sleep timer Zoom Wide TTXT Closed Caption CH Scan OSD Language Hotel Lock Child Lock Demonstration Picture mode Sound mode Blue Screen Auto Mute No Raster Absent Power Off Auto Power Off No Raster 15min RF Jack AV In S VHS DVD Y Pb Pr M out 21Scart Voltage Cope ...

Page 15: ...4 12 Samsung Electronics MEMO ...

Page 16: ... AMP Mul t i REG VER AMP H Out TR A 2 N I C A M M O D U L E Tact S W CRT PCB T U N E R RCA DVD 9P DVD SOUND 2P RGB AMP Material s Befor e KS1B Aft er KS1C Remarks UOC TDA93XX TDA958X RGB AMP TDA6107 TDA6107 8 SOUND AMP TDA8944 43 TDA7297 TDA7266S JACK 6P RCA 9P RCA DVD 2P DVD SOUND IN or 6P RCA 9 1 PCB Layout ...

Page 17: ...put Rear AUDIO Input DEMONSTRATION NOISE REDUCTION NICAM STEREO DVD IN UOC SOUND INPUT 1 INPUT 1 RCA INPUT OR 1 RCA INPUT 1 DVD INPUT 1 RCA INPUT OR 1 RCA INPUT 1 DVD INPUT 0 0 0 Option TDA958X Cope With Maximum 10 W X 10 W 1 INPUT 1 RCA INPUT 1 RCA INPUT Disability Disability Cope without Cope without TDA93XX Cope with Maximum 7 W X 7 W KS1C KS1B CHASSIS FUNCTION The others Function is KS1B Chass...

Page 18: ... V2 2 1 9 AA64 00829B INDICATOR LED 21A9 ACRYL CLR 1 T0059 1 10 AA64 00827B WINDOW REMOCON 21A9 PC V0 VIOLET 1 T0238 S N A 1 11 6002 000512 SCREW TAPPING RH 2 M4 L12 ZPC BLK SWR 1 WIN CF 1 12 AA64 01301C KNOB CONTROL DP 21A9 AA64 00823H 1 T0022 1 13 6003 001019 SCREW TAPTITE RH B M4 L12 ZPC BLK SWR 1 T0081 1 14 3001 000280 SPEAKER 5W 16OHM 90DB 150HZ 4 T0082 1 15 6003 001019 SCREW TAPTITE RH B M4 ...

Page 19: ...ets 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 lead to the...

Page 20: ...at 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 overheating 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 21: ...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 22: ...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 23: ... G I 02 12 21 69 PAL SECM B G 38 90 MHz 33 40 MHz 34 47 MHz PAL SECAM B G I 01 13 21 69 PAL SECAM D K K1 38 90 MHz 32 40 MHz 34 47 MHz PAL SECAM B G I 02 09 13 57 PAL I 38 90 MHz 32 90 MHz 34 47 MHz PAL SECAM B G I 02 13 14 69 NTSC M 45 75 MHz 41 25 MHz 42 18 MHz PAL SECAM B G D K I NT4 43 NT3 58 PAL B G AC100 240V 50 60Hz VHF UHF Telescopic dipole antenna 75ohm unbalanced type System System ...

Page 24: ...3 2 Samsung Electronics MEMO ...

Page 25: ...rtz Hour Inches Per Second Kilowatt hour Kilogram Kilohertz Kilohm Kilometer Kilometer Per Hour Kilovolt Kilovolt ampere Kilowatt Liter Megahertz MV MW MΩ m µA µF µH µm µs µW mA mg mH mI mm ms mV nF Ω pF Ib rpm rps s V VA W Wh Megavolt Megawatt Megohm Meter Microampere Microfarad Microhenry Micrometer Microsecond Microwatt Milliampere Milligram Millihenry Milliliter Millimeter Millisecond Millivol...

Page 26: ...afe Ground Green Y High High Frequency High Fidelity Inductance Capacitance Integrated Circuit Intermediate Frequency I O L L LED LF MOSFET MTS NAB NEC NTSC OSD PCB PLL PWM QIF R RC RF R Y SAP SAW SIF SMPS S N SW TP TTL TV UHF UL UV VCD VCO VCXO VHF VIF VR VTR VTVM TR Input output Left Low Light Emitting Diode Low Frequency Metal Oxide Semiconductor Field Effect Tr Multi channel Television Sound N...

Page 27: ...TP01 TP02 TP06 TP05 TP05 TP08 TP07 TP03 TP04 10 Schematic Diagrams Samsung Electronics Schematic Diagrams 10 1 10 1 MAIN 1 TP06 TP07 TP8 TP01 TP02 TP03 TP04 TP05 ...

Page 28: ...Schematic Diagrams 10 2 Samsung Electronics TP10 TP11 TP12 TP13 TP09 TP14 TP15 TP17 TP16 TP22 TP19 TP20 TP21 TP18 10 2 MAIN 2 TP16 TP17 TP09 TP10 TP11 TP12 TP13 TP18 TP19 TP20 TP14 TP21 TP15 TP22 ...

Page 29: ...Samsung Electronics Schematic Diagrams 10 3 TP24 TP23 10 3 MAIN 3 TP23 TP24 ...

Page 30: ...Schematic Diagrams 10 4 Samsung Electronics 10 4 MAIN 4 TP24 TP23 TP23 TP24 ...

Page 31: ...the Power LED Check the IC201S Port X tal SDA SCL Check the Pin 33 of IC201S Check the B 130V Line Check the IC201S B Port 14 39 51 54 Check Replace the IC802 Replace the IC201 S Check the FBT D805 Check the IC201S 8 Abnormal Abnormal Normal Check the 13V LIne Check the M Fuse FD802S Check the IC801S D801S D804S FP801S Check Replace the Q401 Connect the Power Code ...

Page 32: ...K GK BK Signal Check the R G B Signal into PWB CRT Check the Voltage of Heater Check the IC501 B 180V B Check the Voltage of heater Check CRT and FBT Nornal Check the Resistance of R512 Check Replace the D812 FBT Re Adjust the S Voltage Abnormal Replace the R512 Check the CRT and FBT Check Replace the IC201S Check Replace R421 R513 D516 Check IC201S Pin 51 52 53 R G B ...

Page 33: ...the ICS01 Check the B Line 5V B 8V B Check the IC101 Tuner Check Replace the IC201S Check the IC101 TUNER Check Replace the IC601 Check the IC601 Pin 4 12 Check the ICS01 Pin 47 Check the ICS01 B Check the IC201S Pin 32 Check the IC601 B Abnormal Abnormal Normal See the No Power Check Replace the IC601 Check the FD801S D806 Abnormal Abnormal Abnormal Abnormal Abnormal MONO STEREO ...

Page 34: ... Screen 5 5 No TTX Abnormal See the No Power Check the Voltage of Heater Check Replace the IC201S Normal Normal Normal Abnormal Abnormal Check the R305 D302 R304 D301 Check Replace the IC201S Check the IC201s Pin 21 22 Check the IC301 B 16 5V 16 5V Check Replace the IC301 ...

Page 35: ...NNECTOR HEADER BOX 11P 1R 2 5MM STRAIG 4 JS701 3722 001895 JACK PIN 6P 9P 8 3MM NI YEL WHT REDX2 4 T0119 AA09 00364A IC MICOM TDA9581 N1 3I SPM 834EAN 64P 3 4 T801S AA26 00043D TRANS SWITCHING 39B125 CS21A9N 90 264V 4 T444S AA26 00199A TRANS FBT FQH29A001A KS1C 3 4MH FERRITE 4 T401 AA26 50001M TRANS HORIZ DRIVE 80mH 520uH 4 T0296 AA27 00281A COIL LINEARITY 64UH 64UH DR1215 C 4 5 7 4 LW01 AA27 0029...

Page 36: ...0403 000508 DIODE ZENER MTZJ5 6B 5 6V 5 45 5 73V 500 5 DZ016 0403 000508 DIODE ZENER MTZJ5 6B 5 6V 5 45 5 73V 500 5 DZ016 0403 000508 DIODE ZENER MTZJ5 6B 5 6V 5 45 5 73V 500 5 DZ016 0403 000510 DIODE ZENER MTZJ6 2B 6 2V 5 96 6 27V 500 5 DZ016 0403 000699 DIODE ZENER TZP27B 27V 27 30 8V 1W DO 41 5 DZ016 0403 000700 DIODE ZENER TZP33A 33V 31 35V 1W DO 41 T 5 DZ016 0403 000700 DIODE ZENER TZP33A 33V...

Page 37: ...4 2001 001062 R CARBON S 10MOHM 5 1 2W AA TP 2 4X6 4 5 R816 2001 001077 R CARBON S 150OHM 5 1 2W AA TP 2 4X6 4 5 R414 2001 001078 R CARBON S 15KOHM 5 1 2W AA TP 2 4X6 4 5 R840 2001 001086 R CARBON S 18KOHM 5 1 2W AA TP 2 4X6 4 5 R832 2001 001088 R CARBON S 1KOHM 5 1 2W AA TP 2 4X6 4M 5 R820 2001 001088 R CARBON S 1KOHM 5 1 2W AA TP 2 4X6 4M 5 R819 2001 001088 R CARBON S 1KOHM 5 1 2W AA TP 2 4X6 4M...

Page 38: ...AL 100uF 20 25V WT TP 6 3x11 5 5 C701 2401 003028 C AL 100uF 20 25V WT TP 6 3x11 5 5 C701 2401 003080 C AL 3 3UF 20 50V BP TP 5X11 2 5 5 C701 2401 003080 C AL 3 3UF 20 50V BP TP 5X11 2 5 5 L904 2701 000114 INDUCTOR AXIAL 10uH 10 2534 5 L902 2701 000114 INDUCTOR AXIAL 10uH 10 2534 5 L202 2701 000114 INDUCTOR AXIAL 10uH 10 2534 5 L103 2701 000114 INDUCTOR AXIAL 10uH 10 2534 5 L203 2701 000127 INDUCT...

Page 39: ...HASSIS LDPE T0 0 S N A 4 6902 000016 BAG ANTISTATIC LDPE T0 05 L800 W500 TRP S N A 2 T0091 AA94 13418L ASSY PCB MISC A V SIDE DP 21A9 KS1C TSE S N A 3 T0091 AA94 13418H ASSY PCB MISC A V SIDE 21A9 KS1A TSE S N A 4 0202 000187 SOLDER WIRE FLUX RS60S D1 2 63Sn 37Pb S N A 4 JE601 3722 000143 JACK PHONE 1P VER 3 4PI AG BLK NO 4 JR01 3722 001031 JACK PIN 3P 3 6mm 18 AU 4 T0245 AA39 00094A LEAD CONNECTO...

Page 40: ...Electrical Parts List 7 6 Samsung Electronics MEMO ...

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