Samsung CFT24907X/SMS Скачать руководство пользователя страница 44 | Manualshive

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10. Schematic Diagrams

Samsung Electronics

Schematic Diagrams

10-1

10-1 MAIN 1/4 (WITH EW)

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: Power Line

: Signal Line

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Содержание CFT24907X/SMS

Страница 1: ...24907X SMS 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 ...

Страница 2: ...ELECTRONICS Samsung Electronics Co Ltd MAY 2002 Printed in Korea AA82 00036A ...

Страница 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...

Страница 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...

Страница 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...

Страница 6: ...n 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 packaged with leads that are electrically shorted together by conductive foam aluminum foil or other conductive material...

Страница 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...

Страница 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...

Страница 9: ... VDP3130Y B1 MSP3440G B6 SIM408A 24WC16 TDA7297 DRGB001 LA7845 KSD5703 FMP 3FU KA3A1265RD D5SB60 PC123Y KA78R05 KA7806 KA78R08 KA78RM33 KIA7025AP 2N7000 TAFC H0051 FML G12S STV5109 DESCRIPTION Video Processor NTSC Sound Processor MICOM Caption MTP EEPROM Audio AMP RGB Drive AMP Hybrid IC Vertical IC Horizontal Drive IC SPS Controllor Bridge Diode Photo Coupler Regulator 6V Regulator 8V Controlled ...

Страница 10: ...g Electronics Reference Information SPEC VDP3108B VDP3130Y FUNCTION Basic 1H Comb Filter 2H Comb Filter DVD Input REMARK Table 2 3 1 VIDEO IC SPEC TDA7297 FUNCTION 7W x 2CH 10W x 2CH REMARK Table 2 3 2 SOUND AMP ...

Страница 11: ...ound Output Effect Jacks Front AV2 Back NTSC M PAL N M 120W Applied When 29 Flat Free Volts 100V 240Volts Free Voltage 50 60Hz 15W x 2CH 10W x 2CH 5W x 2CH Vitual Dolby Turbo Sound Pseudo Stereo RCA Input S VHS Head Phone 2 AV Input DVD Input YPbPr AV2 Monitor Audio Output S VHS 75ohms Coaxial Cable Not Present R815 Option Option Option Option Option Option Option Option ...

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

Страница 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 ...

Страница 14: ... Turn the SCREEN VR until MRCR G B and MRWDG are green and those value are about 100 The incorrect SCREEN Voltage may result that MRCR G B and MRWDG should be red INCH CRT 14 SDI 15PF SDI 21 1 7R SDI 20V 10 0R SDI 21PF TSB 21PF LG 21PF SDI 25PF SDI 27V 1 3R SDI 27V 1 0R SDI 25V 1 0R SDI 23V 1 3R SDI No 1 2 3 4 5 6 7 8 9 10 11 12 IBRM 205 220 220 205 220 230 225 210 210 210 210 205 WDRV 35 35 35 35...

Страница 15: ...oshiba pattern 1 Select STANDARD from the menu 2 Input an 100 White pattern 3 Enter the Service Mode Refer to 4 8 Service Mode 4 Warm up the TV set at least for 30 minutes 5 Input a Toshiba pattern signal 6 Enter the Video Adjust1 Adjust Sub Contrast so that Y luminance becomes 65 ft 3 Use Red Drive and Blue Drive to adjust High Light x 275 y 265 Adjust Sub Bright so that Y luminance becomes 1 2ft...

Страница 16: ...to move the cursor in the adjustment parameters Note When CRT CRT PCB FBT E 2 PROM sometimes MICOM is replaced the adjustment values should be controlled After the Service adjustment is completed Do not select Reset in the service mode menu After above procedure is done power is on initially and the Plug and Play will be operated PICTURE OFF PICTURE ON MUTE 1 8 2 4 8 1 Service Mode These hexa digi...

Страница 17: ...40 27 7 0 10 10 15 21 STEREO CL21A8W7X 0 0 3 40 20 6 5 5 20 20 13 40 24 27V 1 3R 23V 1 3R 25V 1R 27V 1R 20V 1R 15 FLAT TXK2767 CL25D4W TXK2550 TXK2554 TXK2566 TXK2567 CL663BW TXK2750 TXK2754 TXK2060 TXK2066 TXK2067 CT 15A8 VIDEO ADJUST1 INIT RED CUT OFF 127 Control 127 127 127 127 127 127 GREEN CUT OFF 127 FIX 127 127 127 127 127 127 BLUE CUT OFF 127 Control 127 127 127 127 127 127 RED DRIVE 127 C...

Страница 18: ...lignment and Adjustments 4 6 Samsung Electronics 4 8 2 B 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 ...

Страница 19: ...52 52 52 52 52 52 SUB COLOR 27 FIX 50 50 50 50 50 67 SUB TINT SUB TINT 30 FIX 70 70 70 70 30 15 BCL THRESHOLD 62 FIX 60 54 58 58 70 40 BCLGAIN 8 FIX 8 8 8 8 8 8 BCL TIME BCL TIME 13 FIX 10 10 10 10 10 13 DVD SUB TINT DVD SUB TINT 90 FIX 100 100 100 100 100 120 N YC DELAY N YC DELAY 0 FIX 3 3 3 3 3 4 27V 1 3R 23V 1 3R 25V 1R 27V 1R 20V 1R 15 FLAT TXK2767 CL25D4W TXK2550 TXK2554 TXK2566 TXK2567 CL66...

Страница 20: ... 4 31 3 0 0 8 60 0 1 1 0 0 27V 1 3R 23V 1 3R 25V 1R 27V 1R 20V 1R 15 FLAT 15 FLAT TXK2767 CL25D4W TXK2550 TXK2554 TXK2566 TXK2567 CL663BW TXK2750 TXK2754 TXK2060 TXK2066 TXK2067 CT 15A8 VIDEO ADJUST3 INIT PEAK WHITE LIMLT PEAK WHITE LIMLT 255 FIX 255 255 255 255 255 255 SOFT LIMIT SLOPE B SOFT LIMIT SLOPE B 4 FIX 4 4 4 4 4 4 HARD LIMIT HARD LIMIT 255 FIX 255 255 255 255 255 255 MODULATION ON OFF M...

Страница 21: ...5 45 220 75 INCH Model INCH INCH Model Model INCH Model WHITE BALANCE WHITE BALANCE INIT INIT 21 STEREO CL21S8W7X 255 4 180 0 0 114 11 3 0 0 74 7 10 20 21 25 STEREO CL25M6W CL25M6P 100 0 0 25 30 1 51 19 7 275 265 65FL 275 265 65FL 275 265 1 2FL 275 265 1 2FL 21 STEREO CL21S8W7X CL21S8W7X 108 0 0 12 0 1 61 61 22 22 7 PIP BRIGHT PIP BRIGHT FIX PIP COLOR PIP COLOR FIX PIP VSPD PIP VSPD FIX 3 9 0 275 ...

Страница 22: ...2 4 V SC 7 FIX 0 13 13 13 13 13 H EW H EW 64 Control 10 37 64 FIX 64 FIX 64 FIX 64 FIX H TRAPEZIUM 20 Control 82 48 20 FIX 20 FIX 20 FIX 20 FIX H PARABOLA 13 Control 89 44 13 FIX 13 FIX 13 FIX 13 FIX H SYMMETRY H SYMMETRY 13 FIX 13 13 13 13 13 13 H CORNER H CORNER 15 Control 0 69 69 FIX 69 FIX 69 FIX 69 FIX H SHIFT 4 Control 0 8 13 13 4 13 PIP CONTRAST PIP CONTRAST FIX 0 0 0 0 0 0 PIP TINT PIP TIN...

Страница 23: ...ADC ADC I O I O I O I O I O I O PWM I O I O I O S I M 4 0 8 A Write Protect EEPROM SDA EEPROM SCL Bus Stop Main SDA Main SCL Sound Reset Video Reset VDD 2 5V GND VDD 3 3V CVBS Input VDD 2 5V GND AFT Scart1 Ident Scart2 Ident Key 1 H Sync V Sync Key 3 Key 2 X Ray Protect IR Input Stand By LED Time LED Tilt N C Power Sound Mute N C N C PX Y PX Y VDD 3 3V GND VDD 2 5V CORE OSD B OSD G OSD R VDD 2 5V ...

Страница 24: ...t Vertical Sync Input Key3 Input Key2 Input X Ray Protection Remocon Signal Input LED Drive Output Red LED Drive Output Green PIN NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 FUNCTION I O I O I O I O I O I O I O I O Vdd GND Vdd CVBS Vdd GND ADC ADC ADC ADC HS VS I O I O I O I O I O I O ASSIGN Write Protect ROM SDA ROM SCL Bus Stop Main SDA Main SCL Sound Reset Video Rese...

Страница 25: ... PX Y PX Y S Mute Power IN OUT Out In In Out Out Out Out Out In Out Out Out ACTIVE H L Low Low 6MHz 6MHz High Low DESCRIPTION Activate Degausssing Coil Not Used Programmed Gound Level Analog Ground Not Used Programmed Gound Level Not Used Programmed Gound Level Micom Hardware Reset Crystal Oscillation Input Crystal Oscillation Output Analog Ground Analog B OSD TTX Output Red OSD TTX Output Green O...

Страница 26: ...4 14 Samsung Electronics MEMO ...

Страница 27: ...er LED Check IC901 Pin LED ON LED OFF Check IC901 Pin Check the voltage of IC803 805 Check H OUT of IC201 Pin Replace IC901 Replace IC201 Check the voltage of IC803 805 Check Q401 and Horizontal Circuit Check FBT and B 130V Check IC902 Check SCL SDA Line Normal Normal Normal Normal Normal Replace IC902 Replace Q909 Q910 Check IC803 Check IC803 Check the voltage of IC804 Check the resistance of FD8...

Страница 28: ... Q207 Q209 Q213 Q206 Q208 Q210 63 Check Fusible Resistance Check voltage of heater Check CRT and FBT Check the signal output from IC201 Pin Check R G B Signal input to CRT PCB Check R G B Signal Output from IC201 Check Check tuner B and Main CVBS Normal Normal Check Replace IC201 Normal Normal Check B 200V 16V Re adjust Screen Voltage Check the fusible resistance of abnormal volatge line Abnormal ...

Страница 29: ...rmal Abnormal Abnormal Check Speaker and Wire Check the signal input to IC601 Pin Check the signal input to IC602 pins Check IC602 B Replace IC602 Check Replace the resistance of FD802 Check tuner B and SIF Check IC601 B Check B Line 8V Check Replace IC601 Normal Normal Abnormal Abnormal Abnormal Normal Normal ...

Страница 30: ...rizontal Lines Appear on screen Horizontal Lines Apper on screen Check IC201 Check IC301 B 16V 16V Check B Line and the fusible resistance of R425 424 Check the VDP Signal output from IC201 31 Pin Check Replace IC301 Normal Normal Abnormal Abnormal ...

Страница 31: ...A6 ACRYL CLEAR 1 IL 1 10 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR 1 IL CF 1 11 AA64 02889A KNOBCONTROL 25A6 ABS VO W97 1 KC 1 12 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR 2 KC CF 1 13 AA91 00427B ASSY HOLDER SPK DP PP 8ohm 10W BLK SEMI 2 A HSPK 1 14 6006 001095 SCREW ASS Y TAPT WP BH M4 L12 ZPC YEL 4 SPK CF 2 AA03 00322A CRT COLOR A59QDF891X999 380MG 1 05MH 1 1 CRT 2 1 AA65 30017A...

Страница 32: ...ASHER PLATE M3 ID3 5 15X8 5 T1 0 SB 4 AA62 00051A HEAT SINK PS SILVER HOLE 31mm ALL 3 DDR01 AA96 00469F ASSY H S REGULATOR AA62 00053B D10U60 4 0205 000129 GREASE SILICON SC102 JAPAN 4 0402 001358 DIODE RECTIFIER SDS10U60S 600V 10A TO 22 4 0402 001375 DIODE RECTIFIER FFPF10U20S 200V 10A TO 2 4 1203 001006 IC VOLTAGEREGULATOR78R05 TO 220F 4P 4 6003 000334 SCREW TAPTITE RH 2S M3 L6 ZP 4 AA62 00053B ...

Страница 33: ... 8W AA TP 4 R250 2001 000005 R CARBON 390OHM 5 1 8W AA TP 4 R255 2001 000005 R CARBON 390OHM 5 1 8W AA TP 4 R214 2001 000008 R CARBON 15KOHM 5 1 8W AA TP 1 8X3 2MM 4 R303 2001 000016 R CARBON S 1OHM 5 1 2W AA TP 4 R412 2001 000020 R CARBON S 22OHM 5 1 2W AA T 4 R527 2001 000028 R CARBON S 100OHM 5 1 2W AB 4 R407 2001 000066 R CARBON S 10KOHM 5 1 2W AA 4 R825 2001 000066 R CARBON S 10KOHM 5 1 2W AA...

Страница 34: ... AA 4 R428 2001 001106 R CARBON S 220KOHM 5 1 2W AA 4 R818 2001 001113 R CARBON S 270KOHM 5 1 2W AA 4 R239 2001 001114 R CARBON S 270OHM 5 1 2W AA 4 R438 2001 001131 R CARBON S 33KOHM 5 1 2W AA 4 R421 2001 001144 R CARBON S 4 7KOHM 5 1 2W AA TP 2 4X6 4 R441 2001 001144 R CARBON S 4 7KOHM 5 1 2W AA TP 2 4X6 4 R427 2001 001150 R CARBON S 470KOHM 5 1 2W AA 4 R437 2001 001150 R CARBON S 470KOHM 5 1 2W...

Страница 35: ...04J 60V 5MM TAPING 4 C839 2305 000665 C FILM 104J 60V 5MM TAPING 4 C907 2305 000665 C FILM 104J 60V 5MM TAPING 4 C914 2305 000665 C FILM 104J 60V 5MM TAPING 4 C916 2305 000665 C FILM 104J 60V 5MM TAPING 4 C919 2305 000665 C FILM 104J 60V 5MM TAPING 4 C508 2305 000704 C M POLYESTER CFS922MTAPG250V1 4 C511 2305 000704 C M POLYESTER CFS922MTAPG250V1 4 C825 2306 000122 C FILM MPPF 100NF 5 50V 7 3X4 4 ...

Страница 36: ... 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J223 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J224 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J225 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J226 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J227 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J228 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J229 ...

Страница 37: ...MPER WIRE SO COPPER TA0 6SN 52M M A 4 J926 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J927 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J928 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J929 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J930 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J931 3812 000219 JUMPER WIRE SO COPPER TA0 6SN 52M M A 4 J933 3812 000219 JUM...

Страница 38: ...CER CRT PS SHEET T1 0 BLK OD22 ID10 2 CRT CF AA60 10050V SCREW ASSY WC HH M6 L30 SWRCH18A ZPC S 2 BRAC AA61 10053A BRACKET CRATER 7277 STS304 T0 5 2 F C AA64 02885A CABINET FRONT KS2A 25A6 MOLD SAM S 3 IL CF 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR 3 KC CF 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR 3 HR CF 6002 000522 SCREW TAPPING TH 2 M4 L15 ZP 3 SPRING AA61 00343A SPRING CS SUS3...

Страница 39: ...CKING CASE CT25A6 KRAFT LINER ASSY LABEL 1 A LABE AA92 05374A ASSY LABEL KS2A 25 SAM S CLUB 2 INLAYB AA64 00892B INLAY BACK D2 D3 RCA9P PS SHEET T0 3 BLK 2 L RAT AA68 02498A LABEL RATING WHITE PAPER AKAI UL SAM S C 2 L SET AA68 02425A LABEL SET A59QDF891X999 25KV 32KV ASSY P MATERIAL 1 A PACK AA92 05361A ASSY P MATERIAL KS2A 25 SAM S 2 BXTAPE 0203 001295 TAPE OPP MASKING 1242 T0 06 W100 L91 4M 2 S...

Страница 40: ...8 Block Diagrams Samsung Electronics Schematic Diagrams 8 1 8 1 Power Diagram ...

Страница 41: ...8 2 Block Diagram Schematic Diagrams 8 2 Samsung Electronics ...

Страница 42: ... FRONT AV PCB L R R L L R R L G R L R L VO G VI G LO RO LI RI TO SPEAKER CN06A CN01A CN05A B Out G Out R Out Sense 8V GND Bo Vo CN501B CN502B CN501A GT804 GT102 CN701 CN502A CN602 Go Lo Ro Ro Se 8V GND 16V G G G Heater NC 180V Vi Li Ri 16V G Heat NC 180 220V ...

Страница 43: ...9 2 Samsung Electronics MEMO ...

Страница 44: ...TP09 TP07 TP08 TP01 TP02 TP05 TP03 TP06 TP04 10 Schematic Diagrams Samsung Electronics Schematic Diagrams 10 1 10 1 MAIN 1 4 WITH EW TP07 TP08 TP09 TP01 TP02 TP03 TP04 TP05 TP06 Power Line Signal Line ...

Страница 45: ...TP11 TP12 TP10 TP13 TP14 10 2 MAIN 2 4 Schematic Diagrams 10 2 Samsung Electronics Power Line Signal Line TP10 TP11 TP12 TP13 TP14 ...

Страница 46: ...10 3 MAIN 3 4 Samsung Electronics Schematic Diagrams 10 3 TP15 TP17 TP16 TP18 TP19 TP20 TP21 TP22 TP23 TP24 Power Line Signal Line TP21 TP22 TP23 TP15 TP16 TP17 TP18 TP19 TP20 TP24 ...

Страница 47: ...10 4 MAIN 4 4 Schematic Diagrams 10 4 Samsung Electronics TP25 TP26 TP27 TP28 TP29 TP30 TP31 TP32 TP33 Power Line Signal Line TP31 TP32 TP33 TP34 TP25 TP26 TP27 TP28 TP29 TP30 ...

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