Samsung CS21K5NLX/XTT Service Manual Download Page 21 | Manualshive

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Samsung Electronics

Troubleshooting

5-1

5. Troubleshooting

5-1 No Power

LED Off

LED On

Abnormal

Normal

Normal

Normal

Normal

Abnormal

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

IC201S, B+

#14, #39, #51, #54

Check/Replace

IC802

Replace

IC201 S

Check the

FBT,D808

Check the

Voltage of IC102 #8

Abnormal

Abnormal

Normal

Check the

B+ 11.5V LIne

Check the

Micro fuse FD802S

Check the

IC801S, D801S, FP801S

Check / Replace

Q401

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Summary of Contents for CS21K5NLX/XTT

Page 1: ...CS29D8NTPX SAP 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: ...ELECTRONICS Samsung Electronics Co Ltd Jan 2003 Printed in Korea AA82 00263A ...

Page 3: ...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 4: ...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 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: ...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: ...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 8: ...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 9: ...R DESCRIPTION FMP 3FU 1 5KV 5A TO 3PF ST D5SB60 600V 6A SIP 4 FMG G2CS 1000V 3A TO 220F ST BRIDGE A62 00045A D06U20S DREAM PAP103T STP 6P PRE AMP TP TDA959XPS N1 3I OTP 64P ST SDIP C81DC 1028x8Bit 8P 100mS 5V PLASTIC 10uA CMOS POWER AA62 00056A LA7845 VIDEO AA62 30175D TDA607Q TDA7297 AA62 30182E MSP3410D CS SDIP 52P 8V 1 2W SOUND PROCESSOR 7042 TO 92 3P 177MIL PLASTIC 4 NJM2246D 3 INPUT DIP 8P 30...

Page 10: ...0Hz With TTX 10page REMARK Table 2 3 1 UOC SPEC MSP3400D MSP3410D REMARK Table 2 3 2 SOUND IC SPEC TDA7297 FUNCTION 15W x 2CH 10W x 2CH 5W x 2CH REMARK Table 2 3 3 SOUND AMP SPEC TECC0949PG35A TEDE9 203A TAEL G671D FUNCTION Without LNA Without LNA With LNA REMARK SAMSUNG LG ALPS Table 2 3 4 TUNER SPEC TDA6107Q TDA6108JF FUNCTION 25 Normal 29 Normal 21 Flat 25 Flat REMARK Table 2 3 5 VIDEO OUTPUT A...

Page 11: ... 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 SECAM B G D K NT4 43 PAL SECAM B G D K I NT4 43 NT3 58 PAL SECAM B G D K I NT4 43 NT3 58 PAL SECAM B G D K I NT4 43 NT3 58 PAL SECAM B G D K I NT4 43 NT3 58 PAL SECAM B G D K I NT4 43 NT3 58 PAL SECA...

Page 12: ...3 2 Samsung Electronics MEMO ...

Page 13: ...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 14: ...ontrol 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 02 08 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 AGCS1 OMD SCL 7 0 15 10 15 10 10 0 9 10 0 1 26 1 PWL ...

Page 15: ... 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 NT...

Page 16: ...Ah D3 D5 14h D5 D0 15h D15 D0 Initial Value 1 32 32 32 32 32 32 32 32 0 0 15 10 7 9 31 27 Remark Ident sensitivity PAL NTSC decoder Horizontal parallelogram Horizontal bow EW width EW parabola EW upper corner parabola EW lower corner parabola EW tarpezium Vertical zoom Delay of RGB output to VM output Ampulitude of SVM out DVD PAL sub color gain adjustment DVD NTSC sub color gain adjustment DVD Su...

Page 17: ... 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 ON MUST OFF ON OFF 21 F PIN FREE CRT OFF ON OFF QUEST OFF OFF ON 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 02 08 4 5 2 C G2 ADJUST Entering G2 Adjust Mode Screen ...

Page 18: ...lignment and Adjustments 4 6 Samsung Electronics 4 5 2 D SCREEN CHANGE I2C BUS GEOMETRIC ADJUSTMENT 9 H Symmetry 5 H Corner 8 H Trapizium 4 H Parabola 10 H Shift 6 V Amp 3 H EW 2 1 V Shift V Slope 7 V SC ...

Page 19: ...d for m Controller core and periphery port 0 5 8mA current sinking capability for direct drive of LEDs port 0 6 8mA current sinking capability for direct drive of LEDs digital ground of TV processor SECAM PLL decoupling 2nd supply voltage TV processor 8V supply voltage decoupling of digital circuit of TV processor phase 2 filter phase 1 filter ground 3 for TV processor bandgap decoupling East West...

Page 20: ... filter AGC sound IF inter external AGC for DVB applications main supply voltage TV processor internal CVBS input ground for TV processor CVBS3 Y input chroma input scan velocity modulation output 2nd RGB YUV insertion input 2nd R input V R Y input PR input 2nd G input Y input 2nd B input U B Y input PB input beam current limiter input black current input V guard input Red output Green output Blue...

Page 21: ...he 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 IC201S B 14 39 51 54 Check Replace IC802 Replace IC201 S Check the FBT D808 Check the Voltage of IC102 8 Abnormal Abnormal Normal Check the B 11 5V LIne Check the Micro fuse FD802S Check the IC801S D801S FP801S Check Replace Q401 ...

Page 22: ...eck RK GK BK Signal Check R G B Signal into CRT PCB Check IC201S Pin 49 V GUARD Pin50 IK Check IC501 B 180V B Check the Voltage of heater Check CRT and FBT Nornal Check the resistance of R512 Check Replace D405 FBT Re Adjust Screen Voltage Abnormal Replace R512 Check CRT and FBT Check Replace IC201S Check Replace R418 R513 D503 Check IC201S Pin 51 52 53 R G B ...

Page 23: ...Speaker and Wire Check Replace IC602 Check B Line 5V B 8V B Check the TUNER Check Replace IC201S Check IC101 TUNER Replace IC601 Check IC601 Pin8 9 Check IC602 Pin47 SIF Check IC602 B Check IC201S Pin32 SIF Check IC601 B Abnormal Abnormal Normal See No Power Replace FD801S D805 Check FD801S D805 Abnormal Abnormal Abnormal Abnormal Abnormal MONO STEREO ...

Page 24: ...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 R412 R416 DD401 D404 Check IC201S Check IC201S Pin 21 22 VDN VDP Check IC301 B 16V C 13 5V C Check Replace IC301 ...

Page 25: ...15 ZPC BLK SWR 1 WR CF S N A 1 10 AA64 02635A KNOB CONTROL 29K5 ABS HB G3676 SVM 3012 1 1 11 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR 1 KC CF S N A 1 12 AA96 00674A ASSY SPEAKER 8OHM 7W 3001 001190 400 6 1 S N A 1 13 6003 001019 SCREW TAPTITE RH B M4 L12 ZPC BLK SWR 8 SPK CF S N A 1 14 AA61 00711B HOLDER PCB 29U1 U2 HIPS FV2 BK502 HB PRO 1 S N A 2 AA91 05187A ASSY CPT CS21A8 1 S N A 2 1 A...

Page 26: ...B WINDOW REMOCON 29D8 PC VO VIOLET 1 S N A 1 12 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR 1 WIN CF S N A 1 13 AA64 01012J KNOB CONTROL 21 29D8 ABS HB G3676 SVM 30 1 1 14 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR 1 KC CF S N A 1 15 AA96 00358D ASSY SPEAKER 16OHMX2 5WX2 3001 001072 1 S N A 1 16 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR 8 SPK CF S N A 2 AA91 05959A ASSY CPT A6...

Page 27: ... A 4 AA60 30001A WASHER PLATE M3 ID3 5 15X8 5 T1 0 SBHG S N A 4 6003 000333 SCREW TAPTITE RH 2S M3 L10 ZPC YEL SW S N A 4 0502 001136 TR POWER KSD5703 NPN 70W TO 3PF ST 8 4 0205 000129 GREASE SILICON SC102 JAPAN S N A 3 R204 2001 000947 R CARBON 7 5KOHM 5 1 8W AA TP 1 8X3 2MM 3 RL801S 3501 001040 RELAY POWER 12VDC 500mW 10A 1FormA 15mS 3 RM201 AA32 00015A MODULE REMOCON FRP 3521H31 38KHZ 940MM M 3...

Page 28: ...MPEF 470nF 5 63V TP 5mm 4 C722 2401 002619 C AL 47uF 20 25V GP TP 5x11 5 4 C723 2305 000412 C FILM MPEF 470nF 5 63V TP 5mm 4 C724 2401 002619 C AL 47uF 20 25V GP TP 5x11 5 4 C725 2305 000412 C FILM MPEF 470nF 5 63V TP 5mm 4 C726 2305 000412 C FILM MPEF 470nF 5 63V TP 5mm 4 C732 2202 000121 C CERAMIC MLC AXIAL 100pF 10 50V Y5P TP 4 C733 2202 000121 C CERAMIC MLC AXIAL 100pF 10 50V Y5P TP 4 C736 220...

Page 29: ... ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY427 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY428 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY430 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY431 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY432 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY433 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A...

Page 30: ... AA TP 1 8X3 2MM 4 R102 2001 000008 R CARBON 15KOHM 5 1 8W AA TP 1 8X3 2MM 4 R103 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 4 R104 2001 000577 R CARBON 2KOHM 5 1 8W AA TP 1 8X3 2MM 4 R105 2001 000008 R CARBON 15KOHM 5 1 8W AA TP 1 8X3 2MM 4 R106 2001 000577 R CARBON 2KOHM 5 1 8W AA TP 1 8X3 2MM 4 R107 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 4 R111 2001 000290 R CARBON 10KOHM 5 1 ...

Page 31: ...6 R METAL OXIDE S 22Kohm 5 2W AF TP 4x12 4 R803 2003 000586 R METAL OXIDE S 22Kohm 5 2W AF TP 4x12 4 R804 2003 000586 R METAL OXIDE S 22Kohm 5 2W AF TP 4x12 4 R805 2001 001108 R CARBON S 22KOHM 5 1 2W AA TP 2 4X6 4 4 R806 2001 000019 R CARBON S 10OHM 5 1 2W AA TP 2 4X6 4M 4 R807 2001 001170 R CARBON S 6 8OHM 5 1 2W AA TP 2 4X6 4 4 R808 2001 001170 R CARBON S 6 8OHM 5 1 2W AA TP 2 4X6 4 4 R809 2001...

Page 32: ...G4 3 KC CF 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR S N A 3 KNOPOW AA61 60003J SPRING ETC CS SUS304 OD6 N7 OD6 S N A 3 SPK CF 6003 001019 SCREW TAPTITE RH B M4 L12 ZPC BLK SWR S N A 3 WR CF 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR S N A 3 AA64 60448V INLAY AV S51A PS SHEET T0 3 BLK CHIN S N A 3 AA64 02635A KNOB CONTROL 29K5 ABS HB G3676 SVM 3012 3 AA64 02632A WINDOW RMC LED 29K5 ...

Page 33: ...00mW 10A 1FormA 15mS 3 RM201 AA32 00015A MODULE REMOCON FRP 3521H31 38KHZ 940MM M 3 SF101S 2904 001195 FILTER SAW AV 38 9MHz SIP5K ST 17 9dB B 3 SF102S 2904 001143 FILTER SAW AV 38 9MHz SIP5K ST 18dB B G 3 SW801S 3403 000179 SWITCH PUSH 250V 5A DPST JPW 2104B 3 T401 AA26 50001M TRANS HORIZ DRIVE 80mH 520uH 3 T444S AA26 00057A TRANS FBT FUH 29A001B S 25 29 130 3 T801S AA26 00111A TRANS SWITCHING CS...

Page 34: ...599 C CERAMIC DISC 0 56NF 10 500V Y5P TP 5 4 C822 2401 000711 C AL 2200uF 20 25V GP TP 16x25 7 5 4 C823 2201 000599 C CERAMIC DISC 0 56NF 10 500V Y5P TP 5 4 C824 2401 000722 C AL 2200uF 20 25V WT TP 16x25 7 5 4 C826 2201 000991 C CERAMIC DISC 0 56NF 10 2KV Y5P TP 7 5 4 C828 2401 000262 C AL 100uF 20 160V HR TP 16x25 7 5 4 C830 2301 000224 C FILM PEF 22nF 5 50V TP 7 4x3 9x13mm 5 4 C833 2401 003028 ...

Page 35: ...002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY435 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY437 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY440 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY441 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY601 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY602 6042 000002 EYELET ID1 5 OD2 L3 1 SN BSS3 ...

Page 36: ... 1 8X3 2MM 4 R106 2001 000577 R CARBON 2KOHM 5 1 8W AA TP 1 8X3 2MM 4 R107 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM 4 R110 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM 4 R111 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM 4 R114 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 4 R115 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM 4 R201 2001 000739 R CARBON 4 7MOHM 5 1 8W ...

Page 37: ...BON S 22KOHM 5 1 2W AA TP 2 4X6 4 4 R806 2001 000019 R CARBON S 10OHM 5 1 2W AA TP 2 4X6 4M 4 R807 2001 001170 R CARBON S 6 8OHM 5 1 2W AA TP 2 4X6 4 4 R808 2001 001170 R CARBON S 6 8OHM 5 1 2W AA TP 2 4X6 4 4 R809 2001 000109 R CARBON S 470OHM 5 1 2W AA TP 2 4X6 4 4 R810 2001 001192 R CARBON S 820OHM 5 1 2W AA TP 2 4X6 4 4 R811 2001 001070 R CARBON S 120OHM 5 1 2W AA TP 2 4X6 4 4 R812 2001 001182...

Page 38: ...R LED 29D8 ACRYL CLR 3 AA64 70117B BADGE BRAND AL L65 R2000 SILVER SS S N A 3 AA96 00358D ASSY SPEAKER 16OHMX2 5WX2 3001 001072 S N A 4 3001 001072 SPEAKER 5W 16OHM 90DB 180HZ 4 AA39 00076F LEAD CONNECTOR ASSY 4P 400 800 250MM 35 3 AA65 00011C CLAMPER CORE WIRE ALL MODEL NYLON 66 V2 S N A 3 AA65 30105A CLAMPER CORE WIRE ALL MODEL NYLON 66 V2 S N A 3 AA61 40113A STOPPER PCB 501H HIPS HB NTR S N A 3...

Page 39: ...8 Block Diagrams Samsung Electronics Block Diagrams 8 1 ...

Page 40: ...9 Wiring Diagram Wiring Diagram Samsung Electronics 9 1 TACT S W MSP RGB AMP CRT PCB SOUND AMP POWER TRANS FBT UOC NJM2235 TUNER DVD 2 SCART OR RCA 9P HOR TR VER AMP MULTI REG ...

Page 41: ...9 2 Samsung Electronics MEMO ...

Page 42: ...TP01 TP07 TP02 TP08 TP03 TP09 TP06 TP10 TP05 TP04 10 Schematic Diagrams Samsung Electronics Schematic Diagrams 10 1 10 1 MAIN 1 TP07 TP08 TP09 TP10 TP01 TP02 TP03 TP04 TP05 TP06 ...

Page 43: ...Schematic Diagrams 10 2 Samsung Electronics TP11 TP12 TP13 TP16 TP22 TP23 TP14 TP15 TP21 TP20 TP18 TP19 TP17 TP24 10 2 MAIN 2 TP18 TP19 TP11 TP12 TP13 TP14 TP15 TP20 TP21 TP22 TP16 TP23 TP17 TP24 ...

Page 44: ...Samsung Electronics Schematic Diagrams 10 3 TP26 TP25 10 3 MAIN 3 TP25 TP26 ...

Page 45: ...Schematic Diagrams 10 4 Samsung Electronics 10 4 MAIN 4 TP26 TP25 TP25 TP26 ...

Page 46: ...Samsung Electronics Schematic Diagrams 10 5 10 5 MAIN 5 ...

Page 47: ...Schematic Diagrams 10 6 Samsung Electronics 10 6 HORIZANTAL BLOCK VIF BLOCK Horizantal Block VIF Block ...

Page 48: ...Samsung Electronics Schematic Diagrams 10 7 10 7 AUDIO SWITCHING SYSTEM SWITCHING SIF BLOCK Audio Switching System Switching SIF Block ...

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