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Schematic Diagrams

10-4

Samsung Electronics

10-4 MAIN (4/4)

Содержание CM19033SX/KMT

Страница 1: ...COLOR TELEVISION RECEIVER CONTENTS 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 1 2 3 4 5 6 7 8 9 10 ...

Страница 2: ...ELECTRONICS Samsung Electronics Co Ltd AUG 2002 Printed in Korea AA82 00130A ...

Страница 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...

Страница 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...

Страница 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...

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: ... Input Impedance Speaker Impedance NTSC NTSC 2 13 14 69 45 75 41 25 42 18 System Band VHF UHF 1 125 CABLE SYSTEM IF Carrier Frequency Picture IF Carrier Sound IF Carrier Color Sub Carrier MODEL CT 14 Inch AC 120V 60Hz VHF UHF Telescopic dipole antenna 75 ohm unbalanced type 8 ohm SYSTEM NTSC ONLY A34KQV42X 14Inch 15 Inch A36QDT351X 15Inch Flat 20 Inch A48KRD82X 20Inch 21 Inch A51KQJ63X 21Inch ...

Страница 8: ...2 24C04 EEPROM PC801S TCET1108 LTV817B PHOTO COUPLER SPM458AN TDA9377 English Spanish French IC201S Philips Philips Philips FIAIR CHILD VERTICAL OUTPUT LA7840 TDA7266M TDA7266S SOUND AMP IC301 IC602 TDA7266M MONO TDA7266S STEREO IC801S KA5Q0740RT 0765RT POWER IC STR IC802 KA7632 CUSTOM REGULATOR 5V 8V 3 3V ICS601 UPC1851B Sound Processor STEREO NEC Sanyo SEC ...

Страница 9: ...g Electronics 2 3 ELECTROLYTIC CONDENSER IC DIODE SPM458AN Pin 64 U4468B Pin 16 UPC851B Pin 42 IC TRANSISTOR LA7840 TDA6107Q KA7632 TRANSISTOR TRANSISTOR KSC5802 B C E E B C KSC815 Y KSA539 Y SAW FILTER E C B KSC2331 Y 1 1 1 M1864M Fig 2 1 Semiconductor Base Diagrams ...

Страница 10: ...2 4 MEMO ...

Страница 11: ...reassembly Samsung Electronics 3 1 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 ...

Страница 12: ...cket 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 1 Remove the speaker by pressing the tension rib ...

Страница 13: ...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 ...

Страница 14: ...3 4 Samsung Electronics MEMO ...

Страница 15: ...e the last step 2 If the EEPROM or CRT is replaced and set SC as 20 factory mode 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 MUTE 1 8 2 POWER ON 2 The SERVICE FACTORY message will be displayed The Service Mode has four compo ...

Страница 16: ...o Pre overshoot Ratio Pre overshoot Window Selection Sound PLL IF AGC Speed Offset IF Demodulator Soft Clipping Level Peak White Limitting Matrix USA Automatic Gain Control Dynamic Skin Tone DVD Bright Offset HBS RP00 RP01 FMWS AGC1 OMD SCL PWL MUS AGC DSK DVDB 15 8 35 32 40 30 42 30 31 20 32 35 11 3 0 32 1 32 3 35 10 12 32 1 1 0 1 32 3 15 0 33 0 5 13 9 31 27 32 25 31 31 31 40 30 20 11 7 0 37 1 32...

Страница 17: ... ON OFF OFF ON ENGLISH ESPANOL FRENCH PORTU OFF ON AIR STD HRC IRC AIR STD HRC AFN ON OFF ON OFF TV AV TV AV DVD ON OFF 800msec Mute Time Tri norma Unavailable Zenith stereo WITH IN UPC1851B Line stereo WITH IN UPC1851B Mono WITH OUT UPC1851B Stereo L STEREO Model Mono Model Nornal Zoom Nomal The power is switched on automatically when detaching the Master S W Auto On Tact S W Model Unavailable Av...

Страница 18: ...quency as specified on the backcover nameplate 7 Do not attempt to connect or disconnect any wires while the TV is turned on Make sure 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...

Страница 19: ...illoscope 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 the oscilloscope becomes 125 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 converge...

Страница 20: ... 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 1 2 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 High Light...

Страница 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...

Страница 22: ...o that the lion head circle becomes oval 3 Adjust with VA Vertical Amplitude 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 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 Horizontal Shift so that the left and right margins of the picture are 5 ...

Страница 23: ...Abnormal Abnormal Abnormal Counect the Power code Check the X tal SDA SCL port of IC201S Check the 33 Pin H Drive of IC201S Check the 122 5V A Line Check the 3 3V A 5V A Line of IC201S Check Replace IC802 Replace IC201 S Check the FBT D805 D806 Check the 12 5V A Line Check the FD801S D807 IC801S or AC Fuse Check Replace Q401 ...

Страница 24: ...ormal Abnormal Check RK GK BK Signal Check R G B Signal into CRT PCB Check the resistance of R420 Check IC201S Pin 49 BCL IN Pin50 IK Check IC501 B 180V B Check the Voltage of heater Check CRT and FBT Check Replace D812 FBT Re Adjust Screen Voltage Replace R420 Check CRT and FBT Check Replace IC201S Check Replace R421 R422 D505 Check IC201S Pin 51 52 53 R G B ...

Страница 25: ...eaker and Wire Check Replace ICS601 Check IC201S TUNER Check Replace IC201S See No Power Check TUNER Replace IC601 Replace Check IC601 Replace FD801S D807 Check IC601 Pin1 2 14 15 Check IC201S Pin28 MIS Check ICS601 B SDA SCL Check IC201S Pin28 Check IC601 B Check R608 R609 Check FD801S D807 Abnormal Abnormal Abnormal Abnormal Abnormal Abnormal Abnormal MONO STEREO ...

Страница 26: ...Electronics Troubleshooting 5 4 Vertical Lines Appear or Screen Normal Normal Abnormal Abnormal Check R304 R305 D301 D302 Check IC201S Check IC201S Pin 21 22 VDN VDP Check IC301 B 16V C 13 5V C Check Replace IC301 ...

Страница 27: ...19033S 20O1 ABS HB G3676 G 1 KC 1 9 6003 001019 SCREW TAPTITE RH B M4 L12 ZPC BLK SWR 1 KC CF 1 10 AA64 03079A WINDOW RMC LED 19033S 20O1 ACRYL CLR 1 WRL 1 11 6003 001019 SCREW TAPTITE RH B M4 L12 ZPC BLK SWR 1 WR CF 1 12 3001 001020 SPEAKER 3W 8ohm 90dB 140Hz 2 SPK 1 13 6003 001019 SCREW TAPTITE RH B M4 L12 ZPC BLK SWR 8 SPK CF 2 AA03 10029W CRT COLOR A48KRD82X H 380MG SEMI TINT 1 CRT 2 1 AA65 30...

Страница 28: ...AV21 250MA 400MW 50NS 2 4 D303 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 4 D809 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 4 D501 0402 000254 DIODE RECTIFIER RGP10J 600V 1A DO 41 4 DR001S 0402 000254 DIODE RECTIFIER RGP10J 600V 1A DO 41 4 D807 0402 000493 DIODE RECTIFIER 1R5GU41 400V 1 4 D302 0402 000534 DIODE RECTIFIER RG10V 400V 1 5 4 D805 0402 000540 DIODE RECTIFIER RU20A 600V 1 5 ...

Страница 29: ...CARBON S 22KOHM 5 1 2W AA 4 R411 2001 001114 R CARBON S 270OHM 5 1 2W AA 4 R808 2001 001138 R CARBON S 390OHM 5 1 2W AA 4 R405 2001 001187 R CARBON S 75OHM 5 1 2W AA T 4 R501H 2002 001008 R COMPOSITION 1 8KOHM 10 1 2W AA TP 3 7 4 R502H 2002 001008 R COMPOSITION 1 8KOHM 10 1 2W AA TP 3 7 4 R503 2002 001008 R COMPOSITION 1 8KOHM 10 1 2W AA TP 3 7 4 RP801S 2002 001010 R COMPOSITION 1 8MOHM 5 1 2W AA ...

Страница 30: ...GP TP 13x20 5 4 C101 2401 002594 C AL 220uF 20 16V GP TP 8x11 5 5 4 C406 2401 002619 C AL 47uF 20 25V GP TP 5x11 5 4 C818 2401 003028 C AL 100UF 20 25V WT TP 6 3X1 4 L103 2701 000114 INDUCTOR AXIAL 10UH 10 2 5X3 4 L202 2701 000114 INDUCTOR AXIAL 10UH 10 2 5X3 4 L903 2701 000114 INDUCTOR AXIAL 10UH 10 2 5X3 4 R101 2701 000114 INDUCTOR AXIAL 10UH 10 2 5X3 4 R102 2701 000114 INDUCTOR AXIAL 10UH 10 2 ...

Страница 31: ... ASSY 1P AUTO 4 GT803 AA60 40014A PIN GT ASSY 1P AUTO 4 GT804 AA60 40014A PIN GT ASSY 1P AUTO 4 GT805 AA60 40014A PIN GT ASSY 1P AUTO 4 L LINE AA68 01544A LABEL LINE ALL MDL COMMON 4 R809 2001 001150 R CARBON S 470KOHM 5 1 2W AA 4 R810 2001 001150 R CARBON S 470KOHM 5 1 2W AA 3 C801 2401 000822 C ELECTROLYTIC CE04W200V220U H 2 A SIDE AA96 01234A ASSY PCB P A V SIDE 20 K15D 3 CN705A AA39 20071F LEA...

Страница 32: ...SPACER AA63 60028A SPACER DY NEOPRENE BLK V0W 2 A TBC AA98 70014B ASSY TBC WIRE 20 NTSC 1P 2 CDCOIL AA61 00734A HOLDER 25POLYVINYL DEGAUSSING CHLORI 2 TAPE D 0203 001303 TAPE ACETATE 1554 T0 25 W19 L30000 WHT ASSY ACCESSORY 1 A ACCE AA92 07075E ASSY ACCESSORY CM19033SX KMT 2 AC TAP 0203 001279 TAPE OPP MASKING 232 T0 14 W15 L50000 Y 2 RMT AA59 00141G REMOCON TM58 SSM174PT 41 SS G6671B MBR 2 I B AA...

Страница 33: ...7 6 Samsung Electronics MEMO ...

Страница 34: ... 6107 E 2PR OM 24C04 AC KA5Q0740RT KA5Q0765RT S W MULTI REGULATOR 3 3V TO MCU 8V TO MCU I 2C AUDIO A M P TDA7266M S F STEREO SOUND PROCESSOR UPD1851B BT FSV 14A004C VIDEO I 2C IC M C U SP M 458A N 2 3 2 4 21 22 50 53 2 3 4 44 2 38 39 R L OUT 24 25 STEREO MONO 12 H OUT TR 3 3 16 5V TO Ver A M P 180V TO C RT Heat TO C RT 13V TO SOUND AMP 8R 2EA 8R 1EA KA7632 KSC 5386 Q ...

Страница 35: ...m CRT PCB 7 6 5 4 3 1 2 SOUND R IN GND SOUND R OUT SOUND L OUT VIDEO IN VIDEO OUT SOUND L IN 1 2 3 4 R OUT B OUT G OUT GND A V PCB 9 8 5 7 6 GND IK GND HEAT B OUT CN501 CN601 STEREO CN701 4 3 2 1 L OUT R OUT L OUT L OUT CN603 M0NO 3 2 1 L OUT L OUT L OUT POWER CORD ...

Страница 36: ...9 2 MEMO ...

Страница 37: ...TP06 TP05 TP04 TP02 TP03 TP01 Schematic Diagrams 10 1 Samsung Electronics 10 Schematic Diagrams 10 1 MAIN 1 4 TP01 TP02 TP03 TP04 TP05 TP06 ...

Страница 38: ...Schematic Diagrams 10 2 Samsung Electronics 10 2 MAIN 2 4 TP08 TP07 TP11 TP10 TP09 TP07 TP08 TP09 TP10 TP11 ...

Страница 39: ...Schematic Diagrams 10 3 Samsung Electronics 10 3 MAIN 3 4 TP08 TP07 TP07 TP08 Power Line Signal Line ...

Страница 40: ...Schematic Diagrams 10 4 Samsung Electronics 10 4 MAIN 4 4 ...

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