Samsung CL17M6MQFX/RCL, Service Manual

Page 1: ...QFX RCL 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 ...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd MAY 2003 Printed in Korea AA82 00654A ...

Page 3: ... 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 ...

Page 4: ...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 ...

Page 5: ...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 ...

Page 6: ...2 4 MEMO ...

Page 7: ...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 ...

Page 8: ...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...

Page 9: ... 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...

Page 10: ...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...

Page 11: ...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...

Page 12: ... 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...

Page 13: ...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 14: ...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 ...

Page 15: ... 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 ...

Page 16: ...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 17: ...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 18: ...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 19: ...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...

Page 20: ...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 ...

Page 21: ...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 ...

Page 22: ...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 23: ...3 4 Samsung Electronics MEMO ...

Page 24: ...3 A AUTO AA97 14113A ASSY AUTO CT17M6MQFX K15D 4 D201 0401 000005 DIODE 1N4148 100V 300mA 1V 8nS TAPING 4 D601 0401 000005 DIODE 1N4148 100V 300mA 1V 8nS TAPING 4 D811 0401 000005 DIODE 1N4148 100V 300mA 1V 8nS TAPING 4 D803 0401 000006 DIODE SWITCHING BAV21 250MA 400MW 50NS 2 4 D804 0401 000006 DIODE SWITCHING BAV21 250MA 400MW 50NS 2 4 D303 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 4 D809...

Page 25: ...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 RY801S 2002 001013 R COMPOSITION 4 7MOhm 5 1 2W AA TP 3 7X 4 R402 2003 002178 R METAL OXIDE S 1Kohm 5 2W AG TP 3 9X1 4 R413 2003 000664 R METAL OXIDE S 330HM 5 2W AF TP 4X12M 4 R403 2003 001093 R METALOXIDE RS2RT123 J12K 4 R827 2003 000998 R METALOXIDE 300OHM 5 2W AF T 4 R40...

Page 26: ... 0X6 4 J124 3301 000287 CORE FERRITEBEAD AA 3 5X1 0X6 4 L206 3301 000287 CORE FERRITEBEAD AA 3 5X1 0X6 4 L802 3301 001223 CORE FERRITE BEAD AB 3 5X5X0 8MM TP 4 L803 3301 001223 CORE FERRITE BEAD AB 3 5X5X0 8MM TP 4 FD801S 3601 001086 FUSE AXIAL LEAD 125V 5A FAST ACTING GLAS 4 F801A 3602 000114 FUSE HOLDER 30MOHM 4 F801B 3602 000114 FUSE HOLDER 30MOHM 4 J101 3812 000219 JUMPER WIRE SO COPPER TA0 6S...

Page 27: ... G 110x24mm 2 A A V AA96 01546A ASSY PCB P A V SIDE TXN1634FX K15D 3 CN705A AA39 20071D LEAD CONNECTOR ASSY YBNH025 12 67096 0 3 JE601 3722 000143 JACK PHONE 1P 3 4MM MBAG 3 JR01 3722 001031 JACK RCA 3P 3 6MM 18 AU 3 RE01 2001 001077 R CARBON S 150OHM 5 1 2W AA 3 RE02 2001 001077 R CARBON S 150OHM 5 1 2W AA 3 CE01 2401 000480 C AL 10UF 20 50V GP 5X11MM 5M 3 CE02 2401 000480 C AL 10UF 20 50V GP 5X1...

Page 28: ...SPA W P100 G 2 I B2 AA68 02849A MANUAL USERS K15D ENG W P100 G 2 W CARD AA68 00987A CARD WARRANTY W P100 A4 1P SELA 2 BAG PE AA69 01195A BAG PE CL29A6W8X HDPET0 012 93 4X151 2 T MATCH AA26 90001F TRANS MATCHING 300OHM 75OHM NTSC 40 89 2 A ROD AA42 00004A ANT ROD VHF 4SDODIPOLE850MMBRN 2 BATT 4301 000120 BATTERY MN 1 5V AA 2 PLUG 3721 000136 PLUG CONVERSION 15A300VPI4 0CP Loc No Code No Description...

Page 29: ...0MA 400MW 50NS 2 4 T0083 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 4 T0083 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 4 T0083 0402 000254 DIODE RECTIFIER RGP10J 600V 1A DO 41 4 T0083 0402 000534 DIODE RECTIFIER RG10V 400V 1 5 4 T0083 0402 001105 DIODE RECTIFIER ERB43 04SV1 400V 1 0A 4 T0083 0402 001105 DIODE RECTIFIER ERB43 04SV1 400V 1 0A 4 T0083 0402 001105 DIODE RECTIFIER ERB43 04S...

Page 30: ...009 R METALOXIDE S 390OHM 5 2W A 4 R316 2003 002009 R METALOXIDE S 390OHM 5 2W A 4 R811 2003 002239 R METAL OXIDE S 100KOHM 5 2W AF TP 3 9 4 R812 2003 002239 R METAL OXIDE S 100KOHM 5 2W AF TP 3 9 4 R603 2004 000195 R METAL 100Kohm 1 1 8W AA TP 1 8x3 2m 4 R024 2004 001371 R METAL S 1 5KOHM 1 1 2W AA 4 R024 2004 001371 R METAL S 1 5KOHM 1 1 2W AA 4 R024 2004 001408 R METAL S 91KOHM 1 1 2W AA T 4 R0...

Page 31: ... PCB MAIN TXM1967X XAA FR 1 1L C 1 6T 245 S N A 4 EY401 6042 000002 EYELET IDI 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY402 6042 000002 EYELET IDI 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY403 6042 000002 EYELET IDI 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY404 6042 000002 EYELET IDI 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY405 6042 000002 EYELET IDI 5 OD2 L3 1 SN BSS3 E EH S N A 4 EY414 6042 000002 EYELET IDI 5 OD2 L3 1 SN BS...

Page 32: ...COVER REAR CL17M6MQFX K57A S N A 2 T0081 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR S N A 2 T0081 6003 001026 SCREW TAPTITE RH B M4 L15 ZPC BLK SWR S N A 2 T0069 AA60 00091J SPACER FELT FELT 330X10 BLK T0 5 S N A 2 T0015 AA64 03426B CABINET BACK 17M6 SAMEX HIPS HB G4309 2 AC BC AA65 30008A CLAMP CORD PE HB BLK S N A 2 INL BA AA64 60385Q INLAY BACK 21V10 PS SHEET BLK K15D S T D S N A ASSY P ...

Page 33: ...7 10 Samsung Electronics MEMO ...

Page 34: ... L12 ZPC BLK SWR 1 KC CF 1 12 AA96 10137B ASSY SPEAKER 5W 8OHM X 2 SY4 R700 L350 1 A SPK 1 13 6003 001019 SCREW TAPTITE RH B M4 L12 ZPC BLK SWR 8 SPK CF 2 AA96 01545A ASSY PCB P CONTROL TXN1634FX K15D 1 A CTRL 3 AA96 01546A ASSY PCB P A V SIDE TXN1634FX K15D 1 A A V 4 AA91 06298A ASSY CPT CT17M6MQFX XAX 17 0MG BARE SD 1 A CPT 5 AA63 60004P SPACER GUM CRT NTR RUBBER GRY T2 4 S GUM 6 AA65 00009B CLA...

Page 35: ... SWR 1 T0081 1 12 AA96 10137B ASSY SPEAKER 5W 8OHM X 2 SY4 R700 L350 1 A SPK S N A 1 13 6003 001019 SCREW TAPTITE RH B M4 L12 ZPC BLK SWR 8 T0081 2 AA96 01545A ASSY PCB P CONTROL TXN1634FX K15D 1 A CTRL 3 AA96 01546A ASSY PCB P A V SIDE TXN1634FX K15D 1 A A V 4 AA91 06298A ASSY CPT CT17M6MQFX XAX 17 0MG BARE SD 1 A CPT S N A 5 AA63 60004P SPACER GUM CRT NTR RUBBER GRY T2 4 S GUM S N A 6 AA65 00009...

Page 36: ...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 ...

Page 37: ...Schematic Diagrams 10 2 Samsung Electronics 10 2 MAIN 2 4 TP08 TP07 TP11 TP10 TP09 TP07 TP08 TP09 TP10 TP11 ...

Page 38: ...Schematic Diagrams 10 3 Samsung Electronics 10 3 MAIN 3 4 TP08 TP07 TP07 TP08 Power Line Signal Line ...

Page 39: ...Schematic Diagrams 10 4 Samsung Electronics 10 4 MAIN 4 4 ...

Page 40: ...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 ...

Page 41: ...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 ...

Page 42: ...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 ...

Page 43: ...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 ...

Page 44: ...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 ...

Page 45: ...9 2 MEMO ...