Samsung CL25M2MQUX Service Manual
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Samsung CL25M2MQUX Service Manual

Color television receiver
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SERVICE
COLOR TELEVISION RECEIVER
COLOR TELEVISION RECEIVER
Chassis : KS7A(N_R2)_Gold Rush
Model
: CL25M2MQUX/XAX
Manual
1.
Specifications
2.
Alignment and Adjustments
3.
Block Diagram
4.
Exploded View & Part List
5.
Electrical Part List
6.
Schematic Diagrams
CONTENTS

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Summary of Contents for Samsung CL25M2MQUX

  • Page 1 COLOR TELEVISION RECEIVER Chassis : KS7A(N_R2)_Gold Rush Model : CL25M2MQUX/XAX SERVICE Manual COLOR TELEVISION RECEIVER CONTENTS Specifications Alignment and Adjustments Block Diagram Exploded View & Part List Electrical Part List Schematic Diagrams...
  • Page 2 ELECTRONICS © Samsung Electronics Co., Ltd. May. 2005 This Service Manual is a property of Samsung Electronics Co.,Ltd. Printed in Korea Any unauthorized use of Manual can be punished under applicable AA82-02527A International and/or domestic law.

  • Page 3: Alignment And Adjustments

    2. Turn on the TV. Set the Brightness and Contrast controls to minimum (zero beam current). 3. Adjust the Brightness and contrast controls to both extremes. Ensure that the high voltage does not exceed 30 KV under any conditions. Samsung Electronics...

  • Page 4: Focus Adjustment

    - If you have Factory remote-control FACTORY PICTURE ON DISPLAY ( 2-5-2 Factoy Mode OSD 2-5-2(A) ADJUST Service Deflection Video Adujst 1 Video Adujst 2 Video Adujst 3 OPTION YC DELAY TEST PATTERN EEPROM BUS STOP CHCKSUM RESET G2 ADJUST Samsung Electronics...
  • Page 5 29" SDI MST V Amp V Shift H EW H Shift V Linearity V SC H Parabola Upper Corner Lower Corner Upper Corner6 Lower Corner6 H Trapezium Angle EHT Time EHT Threshold EHT Vertical EHT Horizontal EHT Vertical2 EHT Horizontal2 Samsung Electronics...
  • Page 6 29" SDI MST V Amp V Shift H EW H Shift V Linearity V SC H Parabola Upper Corner Lower Corner Upper Corner6 Lower Corner6 H Trapezium Angle EHT Time EHT Threshold EHT Vertical EHT Horizontal EHT Vertical2 EHT Horizontal2 Samsung Electronics...

  • Page 7: Video Adjust

    29" SDI MST R Cutoff G Cutoff B Cutoff R Drive G Drive B Drive Sub Bright Sub Contrast Sub Color Sub Tint AKB Option BCL Threshold BCL Gain BCL Time Sub Sharpness Pilot Low Pilot High V-Mute(x100ms) BCL TCUP Samsung Electronics...
  • Page 8 29" SDI MST 29" SDI MST Melody Volume HB Start HB Stop RF AGC VM Gain VM Delay V Peaking BLE Tilt BLE Gain BLE Mode BLE Break CTI Gain CTI Coring LTI Gain D-EHT Time DCT Ratio VSP COMB Samsung Electronics...
  • Page 9 Gamma Mode Gamma Correction BST StartPoint BST Gain(B) DPWL Gain DPWL Start PIP Contrast PIP Tint PIP Color PIP PAL V.Pos PIP NTSC V.Pos PIP H.Pos PIP R Cutoff PIP B Cutoff PIP R Drive PIP B Drive Samsung Electronics...

  • Page 10: Test Pattern

    25" SDI MST 25" SDI MST 25" SDI MST 29" SDI MST 21" SDI MST Test Pattern Brazil Brazil Brazil CL29Z6P CL21M21 CL34Z6P Item Remark CL29M21 CL21N11 34" TSB(USA) MTPD 29" SDI MST 29" SDI MST Test Pattern Samsung Electronics...
  • Page 11 17.DNIe Jr 18.Volume Curve Small Small Small Small Small Small Small Small 19.Color Matrix Japan Japan Japan Japan Japan Japan Japan Japan 20.PWM/Parabola Parabola Parabola Parabola Parabola Parabola Parabola Parabola Parabola 21.Hotel mode 22. Child Lock 23. Air/Cable On Samsung Electronics...

  • Page 12: White Balance

    275/275/45 275/275/45 295/295/45 295/295/37 275/275/55 265/265/2.0 265/265/2.0 265/265/2.5 265/265/2.5 295/295/2.5 295/295/2.0 265/265/2.5 Brazil Brazil Brazil CL29Z6P CL21M21 CL34Z6P Item Remark CL29M21 CL21N11 34" TSB(USA) MTPD 29" SDI MST 29" SDI MST 275/275/37 275/275/37 275/275/55 265/265/2.0 265/265/2.0 265/265/2.5 2-10 Samsung Electronics...
  • Page 13 32 Standard Equ300(Std TREBLE) 33 Standard Equ1K(Music BASS) 34 Standard Equ3K(Music TREBLE) 35 Standard 10K(Movie BASS) 36 Music Equ100(Movie TREBLE) 37 Music Equ300(Speech BASS) Music Equ1K(Speech TREBLE) Music Equ3K Music 10K Movie Equ100 Movie Equ300 Movie Equ1K Movie Equ3K Samsung Electronics 2-11...
  • Page 14 75 SLLTHDV(TV NO NOISE) 76 LNA Default 77 LNA SWITCH 78 LMIXOFS 79 CR_AMP_TH Setting 79 H-OUTDEL 80 H-OUTDEL 80 CR-P Initial 81 CR-I Initial 82 DRX_CR_AMP_TH 83 Over Modulation Return Counter 84 VCR Mode Counter VID_AMP_HEAD_BS (In the modulation) 2-12 Samsung Electronics...
  • Page 15 Alignment and Adjustments 25", 29" 21", 25", 29" 21", 29" 29" 21", 29", 34" Factory Control Remark America South Central 86 CR_P (In the Over Modulation) THRSEL (picture shaking when weak signal) 88 SLLTHDVP 89 SLLTHD_CATV Samsung Electronics 2-13...
  • Page 16 Alignment and Adjustments 2-7 Screen Change (I2C Bus Geometric Adjustment) H TRAPIZIUM V SHIFT V AMP H PARABOLA H Symmetry V SLOPE H Corner V SC H-EW 10 H SHIFT 2-14 Samsung Electronics...

  • Page 17: Pin Connections And Short Descriptions

    Supply Voltage Video DACs, 3.3 V GNDDAC SUPPLY Ground Video DACs SAFETY Safety Input HFLB HOUT Horizontal Flyback Input HOUT Horizontal Drive Output VPROT Vertical Protection Input PWMV PWM Vertical Output DFVBL Dynamic Focus Vertical Blanking Output IN/OUT I2C Bus Data Input/Output Samsung Electronics 2-15...
  • Page 18 Analog Video 8 Input VIN8 Analog Video 9 Input VIN9 Analog Video 10 Input VIN10 Analog Video 11 Input VIN11 Port 2, Bit 3 Input/Output IN/OUT Port 2, Bit 2 Input/Output IN/OUT Analog Crystal Output XTAL2 Analog Crystal Input XTAL1 2-16 Samsung Electronics...
  • Page 19 Analog Audio 1 Output, Right AOUT1R Analog Audio 1 Output, Left AOUT1L Analog Loudspeaker Output, Right SPEAKER R Analog Loudspeaker Output, Left SPEAKER L Reference Voltage, Audio VREFAU SUPPLY Supply Voltage Analog Audio, 8.0 V VSUP8.0AU SUPPLY Ground Platform Samsung Electronics 2-17...
  • Page 20 MEMO 2-18 Samsung Electronics...

  • Page 21: Block Diagram

    Block Diagram 3. Block Diagram EEPROM TUNER POWER VCT IF BASIC TRANS VCT49XX TUNER 3.3Va VERT 6.5V DRX+VSP+DDP 3.3Vb +MSP+MICOM SMPS CONT 8V(VCT) A/V OUT ROLER 130V 200V 16.5V H-OUT AUDIO SOUND TUNER 33V SPEAKER Samsung Electronics...
  • Page 22 MEMO Samsung Electronics...

  • Page 23: Electrical Part List

    Electrical Part List Yon can search for the updated part code through ITSELF web site. URL:http://itself.sec.samsung.co.kr 5. Electrical Part List 5-1 CL25M2MQUX/XAX Level Loc.No. Code No. Description;Specification Remark Level Loc.No. Code No. Description;Specification Remark ASSY COVER FRONT ASSY COVER REAR...
  • Page 24 0401-000005 DIODE-SWITCHING;1N4148,75V,150MA,DO-35,T ..4 VX801S 1405-000152 VARISTOR;560V,2500A,14x8.5mm,TP ..4 DV203 0401-000005 DIODE-SWITCHING;1N4148,75V,150MA,DO-35,T ..4 RV940 2001-000003 R-CARBON;330OHM,5%,1/8W,AA,TP, ..4 DV901 0401-000005 DIODE-SWITCHING;1N4148,75V,150MA,DO-35,T ..4 RV272 2001-000005 R-CARBON;390ohm,5%,1/8W,AA,TP,1.8x3.2mm ..4 DV951 0401-000005 DIODE-SWITCHING;1N4148,75V,150MA,DO-35,T ..4 RV275 2001-000005 R-CARBON;390ohm,5%,1/8W,AA,TP,1.8x3.2mm ..4 DV952 0401-000005 DIODE-SWITCHING;1N4148,75V,150MA,DO-35,T ..4 R306 2001-000016 R-CARBON(S);1OHM,5%,1/2W,AA,TP,2.4X6.4MM Samsung Electronics...
  • Page 25 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM ..4 R898 2008-000290 R-FUSIBLE(S);2.4ohm,5%,2W,AF,TP,3.9x10mm ..4 RV907 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM ..4 R303 2008-001013 R-FUSIBLE(S);1.2ohm,5%,2W,AF,TP,3.9x10mm ..4 RV908 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM ..4 R304 2008-001015 R-FUSIBLE(S);1.5ohm,5%,2W,AF,TP,3.9x10mm ..4 RV924 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM ..4 R516 2008-001015 R-FUSIBLE(S);1.5ohm,5%,2W,AF,TP,3.9x10mm ..4 RV926 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM ..4 R418 2008-001023 R-FUSIBLE(S);3.3ohm,5%,1/2W,AF,TP,2.5x6. Samsung Electronics...
  • Page 26 2305-000289 C-FILM,LEAD-PEF;220nF,5%,63V,TP,-,5mm ..4 L424 2701-000142 INDUCTOR-AXIAL;1UH,10%,2534 ..4 C308 2305-000411 C-FILM,LEAD-PEF;470nF,5%,50V,TP,7.3x4.8x ..4 L825 2701-000142 INDUCTOR-AXIAL;1UH,10%,2534 ..4 CV933 2305-000411 C-FILM,LEAD-PEF;470nF,5%,50V,TP,7.3x4.8x ..4 LV701 2701-000142 INDUCTOR-AXIAL;1UH,10%,2534 ..4 CV934 2305-000411 C-FILM,LEAD-PEF;470nF,5%,50V,TP,7.3x4.8x ..4 LV702 2701-000142 INDUCTOR-AXIAL;1UH,10%,2534 ..4 CV935 2305-000411 C-FILM,LEAD-PEF;470nF,5%,50V,TP,7.3x4.8x ..4 LV703 2701-000142 INDUCTOR-AXIAL;1UH,10%,2534 Samsung Electronics...
  • Page 27 ..4 EY826 6042-000002 EYELET;ID1.5,OD2,L2.8,NI+SN,BSP3-1/2H S.N.A ..4 EL502 6042-000001 EYELET;ID2.2,OD2.7,L3.1,NI+SN,BSP3-1/2H S.N.A ..4 EY827 6042-000002 EYELET;ID1.5,OD2,L2.8,NI+SN,BSP3-1/2H S.N.A ..4 F101 2901-000299 FILTER-EMI ON BOARD;-,6A,UL/CSA,-,9x7.5, ..4 EY828 6042-000002 EYELET;ID1.5,OD2,L2.8,NI+SN,BSP3-1/2H S.N.A ..4 C504 2301-001259 C-FILM,LEAD-PPF;100nF,5%,400V,TP,19x8x16 ..4 EY829 6042-000002 EYELET;ID1.5,OD2,L2.8,NI+SN,BSP3-1/2H S.N.A ..4 C404A 2303-000331 C-FILM,LEAD-PPF;4.7nF,5%,630V,TP,19.5x12 Samsung Electronics...
  • Page 28 AA39-40001B CABLE RCA;,3P,1500MM,RED/WHT/YEL,RCA,RCA ...3 T0074 AA59-00316D REMOCON;TM75,ET,30,G6148A,NT,EX ...3 T/REG AA68-02967A MARK RECYCLE-CARD REGISTRATION;,8.5X11, S.N.A ...3 M/SAFETY AA68-03242B MANUAL-SAFETY GUIDE;TH-ENG,SAFETY GUIDE S.N.A ...3 M0596 AA68-03586A MANUAL USERS-00;CL29M16MQ,SPA,S.AMERICAN S.N.A ...3 T0524 AA69-01195A BAG PE;CL29A6W8X,HDPET0.012,93/4X151/2 S.N.A W/CARD BN68-00797A MANUAL-01,WARRANT CARD;SAMEX BASIC ALL,M S.N.A Samsung Electronics...
  • Page 29 Exploded View & Part List 4. Exploded View & Part List 4-1 CL25M2MQUX/XAX Yon can search for the updated part code through ITSELF web site. URL:http://itself.sec.samsung.co.kr Loc.No. Code No. Description;Specification Q'ty S.N.A CIS3 AA64-04048A DECORATION-POWER;29M21,ABS,HB,G3676,AL S.N.A CIS7 AA61-60003J SPRING ETC-CS;-,SUS304,-,-,OD6,N7,OD6,-, S.N.A...

  • Page 30: Specifications

    CATV (CH 1, 14 ~ 125) Antenna Input Resistance VHF, UHF 75 unbalanced VIDEO : 45.75 MHz Intermediate Frequency SOUND : 41.25 MHz Chrominance Subcarrier: 42.17 MHz Power Supply AC 120V, 60Hz AC 120V, 60Hz AC 100~240V, 60Hz Samsung Electronics...
  • Page 31 MEMO Samsung Electronics...
  • Page 32 Schematic Diagrams 6. Schematic Diagrams 6-1 MAIN 1 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 33 Schematic Diagrams 6-2 MAIN 2 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 34 Schematic Diagrams 6-3 MAIN 3 This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 35 Schematic Diagrams 6-4 MAIN 4 This Document can not be used without Samsung’s authorization. Samsung Electronics...

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