Samsung CF21M Service Manual
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Samsung CF21M Service Manual

Samsung CF21M Service Manual

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SERVICE

COLOR MONITOR

COLOR MONITOR
CF21M*
Manual
CONTENTS

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Summary of Contents for Samsung CF21M

  • Page 1: Table Of Contents

    COLOR MONITOR CF21M* SERVICE Manual COLOR MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignment & Adjustments 5. Troubleshooting 6. Exploded View & Parts List 7. Electrical Parts List 8. Block Diagram 9. Wiring Diagram 10. Schematic Diagrams...

  • Page 2: Precautions

    / or other hazards. Product safety is under review continuously and new instructions are issued whenever appropriate. Components identified by on schematics and parts lists must be sealed by a soldering iron after replacement and adjustment. CF21M*...

  • Page 3: Product Specifications

    10 % ~ 80 % Storage Temperature : -4°F ~ 113°F (-20°C ~ 45°C) Humidity : 5 % ~ 95 % • CF21M* complies with TCO 99 recommendations for reduced electromagnetic fields. • Designs and specifications are subject to change without prior notice. CF21M*...

  • Page 4: Disassembly & Reassembly

    3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the CF21M* monitor. WARNING: This monitor contains electrostatically sensitive devices. Use with caution when handling these components. 3-1 Disassembly Cautions:1. Disconnect the monitor from the power source before disassembly.

  • Page 5: Alignment & Adjustments

    Composite sync 0.3 Vp-p negative ET-4000 chipset (strongly recommended if (Video 0.7 Vp-p positive) using Samsung DM 200 software) and that displays: 1280 x 1024 @ 85 Hz, or 1600 x 1200 4-1-1 (d) SCANNING FREQUENCY @ 85 Hz (maximum).

  • Page 6: Troubleshooting

    (Is it same the schemetic diagram) Check IC651 (KA78R12) Pin 12? • Appear 4V Pin 4 of IC651? Is the voltage 12V • Done. Check and Micom. (IC201) Check and replace IC651. • Check every IC connected to 12V. • CF21M*...

  • Page 7: Exploded View & Parts List

    6 Exploded View and Parts List CF21M*...

  • Page 8: Electrical Parts List

    -,24.0mH,-,SQE-2828,65.5Ts,PHENOLIC,-,-,0.20 ohm,-,-,-,BK L701 BH27-00053A COIL CHOKE TO-2012,195uH,-,20.20*12.57*6.35,65Ts,PHENOLIC,-,-,0.08ohm,17.0*32.0*10.0,-,-,- LC601 2901-001173 FILTER-EMI AC LINE 250V,3A,UL/CSA/TUV/SEMKO,2200pF,32x39.7x23.4mm,BK,- M/PCB+B/M-PCB 6003-000010 SCREW-TAPTITE BWH,+,B,M3,L10,ZPC(YEL),SWRCH1 POS601 1404-001154 THERMISTOR-PTC 4.5OHM,+30%/-20%,220V,270VAC,21A,-,BK R400 2003-000459 R-METAL OXIDE(S) 100ohm,5%,3W,AA,TP,6x16mm R401 2003-000459 R-METAL OXIDE(S) 100ohm,5%,3W,AA,TP,6x16mm R403 2006-000132 R-CEMENT 33ohm,5%,5W,CB,BK,9x13x25mm R407 2003-000423 R-METAL OXIDE(S) 1.2ohm,5%,3W,AA,TP,6x16mm CF21M*...

  • Page 9: Block Diagram

    8 Block Diagram CF21M*...

  • Page 10: Wiring Diagram

    DDC 5V BNC PCB H_Sync 11 H_Sync V_Sync 12 V_Sync DDC_CLK 13 DDC_CLK DDC_DATA 14 DDC_DATA S_RASTER 15 S_RASTER GND 16 USB DM USB DM CN205 CN102 USB DP USB DP CN409 TILT CONNECTOR BNC_DSUB BNC_DSUB CN501 N/S Coil CF21M*...

  • Page 11: Schematic Diagrams

    +12V +5V_1 R281 1/6W 1.5K 1/2W V_SYNC_OUT +5V_1 C202 C201 CLAMP R220 ZD201 100nF 100UF MTZ7.5C RESET 1/6W C207 Delete on CF21M 100nF R211 R209 R200 R243 R242 R240 R238 IC201 3.3K 3.3K 3.3K 2.7K 2.7K KS88P6232N 1/6W 1/8W 1/8W...
  • Page 12 Copyright Trademarks © 2001 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung Electronics Co., Ltd. All rights reserved. CF21M* and MacMaster Cable Adapter are This manual may not, in whole or in part, be trademarks of Samsung Electronics Co., Ltd.
  • Page 13 2.20 V (IC250, #11, 32) 3.42 V (IC201, #33) 3.16 V (IC201, #32) CH1 P-P = 2.20 V CH1 RMS = 2.776 V CH1 P-P = 3.42 V CH1 RMS = 2.500V CH1 P-P = 3.16 V CH1 RMS = 2.560 V 10-2 CF21M*...
  • Page 14 OTHER 120NF 1/8W 1/2W H_DRIVE OTHER 560 Q408 1.2K C402 R444 1/6W KSC945-Y 1/6W C403 100pF C407 R409 C412 D408 EY413 500V 1/2W 330nF HS409 500V 220nF UF4001(T) SNAME SUPLVAL 100V EY412 17/19NS C433 OTHER 1ohm 100nF SNAME CF21M* 10-3...
  • Page 15 CH1 P-P = 10.96 V CH1 RMS = 6.180 V CH1 P-P = 11.6 V CH1 RMS = 6.944V Q402, Collector T402, #8 IC301, #6 Q504, Gate 580 V (T501, #1) CH1 P-P = 580 V CH1 RMS = 278.2 V 10-4 CF21M*...
  • Page 16 1/2W 1/4W 105C 100nF R701 C622 1/4W R621 0.33 H_DRIVE Q620 R631 C705 LC601 KSC945-Y IM-L03A2-P 4.7nF 1/8W D620 1/8W 100V 100V 1N4148 ZD630 R630 R712 MTZ7.5C AC INPUT 1/8W 90V ~ 264V 1/6W EY604 EY603 EYE2.2 EYE2.2 CF21M* 10-5...
  • Page 17 10 Schematic Diagrams 368 V (IC601, #1) 10-6 CF21M*...
  • Page 18 R114 1/10W CN13 R124 R113 1/10W 4.7K 2.7K 1/10W 1/10W 1/10W H_SYNC_OUT BD108 1.2UH,3.5*5.7MM C141 C139 100UF 100UF 6.3V 6.3V R135 1/10W H_FLB H_FLB R134 R119 V_BLK V_BLK 2.2K 1/10W 1/10W Q103 CLAMP 2N3904 C136 10nF DC_FOCUS F_CONT CF21M* 10-7...
  • Page 19 10 Schematic Diagrams CRT Socket, Red, Green, Blue IC103, #5, 24 R, G, B, Video 10-8 CF21M*...
  • Page 20 V_SYNC EY105 -BNC SNAME R154 DB54 DG54 DR54 1N4148 1N4148 1N4148 RB53 RG53 RR53 1/6W 1/6W 1/6W 1/6W CN103 YBH254-16P BD150 ZD157 ZD158 C132 C133 1.2UH,3.5*5.7MM UZ-6.2BM UZ-6.2BM 47PF 47PF +12V SOG-OUT +5V_DDC H_SYNC V_SYNC DDC_CLK DDC_DATA S_RASTER CF21M* 10-9...
  • Page 21 10 Schematic Diagrams Memo 10-10 CF21M*...
  • Page 22 9 Wiring Diagram Memo CF21M*...
  • Page 23 8 Block Diagrams Memo CF21M*...
  • Page 24 2301-000020 C-FILM,PEF 27nF,5%,100V,TP,7.3x4x12.5mm,5 C254 2401-002075 C-AL 4.7uF,20%,50V,GP,TP,5x11,5 C255 2305-000237 C-FILM,MPEF 1uF,5%,63V,TP,7.5x15.5mm,5mm C256 2301-000148 C-FILM,PEF 10nF,5%,100V,TP,7x3.2x7mm,5mm C257 2301-000188 C-FILM,PEF 1nF,5%,100V,TP,10.5x12.5x6.5,5 C258 2201-000132 C-CERAMIC,DISC 0.1nF,10%,500V,Y5P,TP,6.5x3,5 C259 2401-000050 C-AL 10uF,20%,16V,GP,TP,5x11,2.5 C260 2202-000654 C-CERAMIC,MLC-RADIAL 100nF,10%,50V,X7R,TP,5.1x6.6x3.2mm,5 C264 2401-000031 C-AL 47uF,20%,16V,GP,TP,5x11,5 C265 2305-000412 C-FILM,MPEF 470nF,5%,63V,TP,-,5mm CF21M*...
  • Page 25 2202-002008 C-CERAMIC,MLC-AXIAL 10nF,+80-20%,50V,Y5V,TP,2.3X3. C459 2202-002009 C-CERAMIC,MLC-AXIAL 100nF,+80-20%,50V,Y5V,TP,2.3X3 C460 2301-000020 C-FILM,PEF 27nF,5%,100V,TP,7.3x4x12.5mm,5 C461 2201-000012 C-CERAMIC,DISC 0.22nF,10%,1kV,Y5P,TP,6.3x5,5 C462 2301-000020 C-FILM,PEF 27nF,5%,100V,TP,7.3x4x12.5mm,5 C463 2401-001548 C-AL 47uF,20%,25V,WT,TP,5x11,5 C464 2301-001322 C-FILM,PPF 33nF,5%,250V,TP,17.5x5x11mm,7.5 C465 2201-000019 C-CERAMIC,DISC 10nF,+80-20%,500V,Y5V,TP,13.5x4mm,5 C466 2401-003525 C-AL 10uF,20%,250V,LZ,TP,10X20,5 C467 2301-000102 C-FILM,PEF 1.2nF,5%,100V,TP,5.4x10mm,5mm CF21M*...
  • Page 26 2201-000019 C-CERAMIC,DISC 10nF,+80-20%,500V,Y5V,TP,13.5x4mm,5 C641 2401-000142 C-AL 1000uF,20%,16V,WT,TP,10x20,5 C642 2401-000142 C-AL 1000uF,20%,16V,WT,TP,10x20,5 C643 2401-001378 C-AL 470uF,20%,16V,WT,TP,10x20,5 C644 2401-000770 C-AL 220uF,20%,100V,WT,TP,13*25,5mm C645 2401-001422 C-AL 470uF,20%,35V,WT,TP,12.5x25,5 C646 2401-000040 C-AL 47uF,20%,250V,WT,TP,16x25mm,7. C649 2201-000551 C-CERAMIC,DISC 0.47nF,10%,1kV,Y5P,TP,6.3x5,5 C650 2401-000042 C-AL 100uF,20%,16V,GP,TP,6.3x7,5 C651 2202-002008 C-CERAMIC,MLC-AXIAL 10nF,+80-20%,50V,Y5V,TP,2.3X3. CF21M*...
  • Page 27 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP D503 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP D504 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP D508 0402-000252 DIODE-RECTIFIER RGP02-16E,1.6KV,0.5A,DO-41,TP D509 0402-000274 DIODE-RECTIFIER UF4004,400V,1A,DO-41,TP D510 0402-000274 DIODE-RECTIFIER UF4004,400V,1A,DO-41,TP D520 0401-000004 DIODE-SWITCHING 1SS244,250V,625mA,DO-34,TP D521 0402-001114 DIODE-RECTIFIER 1N4936GP,400V,1A,DO-204AL,TP D522 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP D523 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP CF21M*...
  • Page 28 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY506 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY507 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY508 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY509 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY510 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY511 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY512 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY550 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY599 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH CF21M*...
  • Page 29 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP198 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP204 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP210 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP212 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP213 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP216 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP227 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. CF21M*...
  • Page 30 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP418 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP419 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP421 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP425 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP439 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP440 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP441 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. CF21M*...
  • Page 31 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP651 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP652 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP653 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP654 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP655 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP656 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP657 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. CF21M*...
  • Page 32 TR-SMALL SIGNAL KSC945,NPN,250mW,TO-92,TP,120-240 Q412 0501-000586 TR-SMALL SIGNAL KSC945,NPN,250mW,TO-92,TP,120-240 Q450 0501-000303 TR-SMALL SIGNAL KSA733,PNP,250mW,TO-92,TP,120-240 Q451 0501-000586 TR-SMALL SIGNAL KSC945,NPN,250mW,TO-92,TP,120-240 Q452 0501-000586 TR-SMALL SIGNAL KSC945,NPN,250mW,TO-92,TP,120-240 Q453 0501-000303 TR-SMALL SIGNAL KSA733,PNP,250mW,TO-92,TP,120-240 Q502 0501-000122 TR-SMALL SIGNAL 2N3904,NPN,625mW,TO-92,TP,100-300 Q503 0501-000581 TR-SMALL SIGNAL 2N3906,PNP,625mW,TO-92,TP,100-300 7-10 CF21M*...
  • Page 33 R-CARBON 1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R255 2001-000449 R-CARBON 2.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R256 2004-004367 R-METAL 90Kohm,1%,1/4W,AA,TP,6.2x2.6mm R261 2001-000290 R-CARBON 10KOHM,5%,1/8W,AA,TP,1.8X3.2MM R264 2001-000319 R-CARBON 120KOHM,5%,1/8W,AA,TP,1.8X3.2MM R265 2001-000221 R-CARBON 1.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R266 2001-000869 R-CARBON 56OHM,5%,1/8W,AA,TP,1.8X3.2MM R267 2001-000869 R-CARBON 56OHM,5%,1/8W,AA,TP,1.8X3.2MM R268 2001-000734 R-CARBON 4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM R269 2001-000281 R-CARBON 100OHM,5%,1/8W,AA,TP,1.8X3.2MM CF21M* 7-11...
  • Page 34 18KOHM,5%,1/8W,AA,TP,1.8X3.2MM R428 2001-000411 R-CARBON 18KOHM,5%,1/8W,AA,TP,1.8X3.2MM R429 2001-000221 R-CARBON 1.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R430 2001-000221 R-CARBON 1.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R431 2001-000221 R-CARBON 1.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R432 2001-000221 R-CARBON 1.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R433 2001-000221 R-CARBON 1.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R434 2001-000429 R-CARBON 1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R440 2001-000022 R-CARBON(S) 33OHM,5%,1/2W,AA,TP,2.4X6.4MM R441 2003-000661 R-METAL OXIDE(S) 33ohm,5%,2W,AA,TP,4x12mm 7-12 CF21M*...
  • Page 35 12KOHM,5%,1/8W,AA,TP,1.8X3.2MM R546 2001-000429 R-CARBON 1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R547 2001-000429 R-CARBON 1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R550 2002-001079 R-COMPOSITION 470Kohm,5%,1/2W,AA,TP,4x10mm R551 2001-000723 R-CARBON 4.3KOHM,5%,1/8W,AA,TP,1.8X3.2MM R552 2001-000319 R-CARBON 120KOHM,5%,1/8W,AA,TP,1.8X3.2MM R553 2001-000105 R-CARBON 1.5KOHM,5%,1/4W,AA,TP,2.4X6.4MM R555 2001-001144 R-CARBON(S) 4.7KOHM,5%,1/2W,AA,TP,2.4X6.4MM R556 2001-001153 R-CARBON(S) 47OHM,5%,1/2W,AA,TP,2.4X6.4MM R557 2003-000459 R-METAL OXIDE(S) 100ohm,5%,3W,AA,TP,6x16mm CF21M* 7-13...
  • Page 36 680KOHM,5%,1/2W,AA,TP,2.4X6.4MM R705 2001-001176 R-CARBON(S) 680KOHM,5%,1/2W,AA,TP,2.4X6.4MM R706 2001-001176 R-CARBON(S) 680KOHM,5%,1/2W,AA,TP,2.4X6.4MM R711 2008-000125 R-FUSIBLE 10ohm,5%,1/4W,AA,TP,2.6x6.7mm R712 2001-000302 R-CARBON 10OHM,5%,1/8W,AA,TP,1.8X3.2MM R721 2001-000786 R-CARBON 47KOHM,5%,1/8W,AA,TP,1.8X3.2MM SK530 4715-001055 SURGE ABSORBER 1kV,+50-10%,-,-,RADIAL X201 2801-003413 CRYSTAL-UNIT 24MHz,30ppm,28-ABQ,20pF,20ohm, ZD201 0403-000367 DIODE-ZENER UZ7.5BSC,7.5V,7.33-7.64V,500mW ZD203 0403-000361 DIODE-ZENER UZ6.2BSB,6.2V,5.99-6.24V,500mW 7-14 CF21M*...
  • Page 37 HS,SCREW+NUT,TIP29C,-,-,OIL SILICON 0502-000348 TR-POWER TIP29C,NPN,2W,TO-220,-,15-75 6006-001008 SCREW-ASS’Y MACH WSP,BH,+,M3,L10,ZPC(YEL),SWRCH 6021-000118 NUT-HEXAGON 1C,M3,ZPC(YEL),SM20C BH62-00051A HEAT SINK-V IC AQ17,SPC-1,T1.0,H60,L13,-,-,- HS509 BH99-00045B ASSY HEAT/SINK HS,SCREW+NUT,TIP30C,-,-,OIL SILICON 0502-000351 TR-POWER TIP30,PNP,2W,TO-220AB,-,15-75 6006-001008 SCREW-ASS’Y MACH WSP,BH,+,M3,L10,ZPC(YEL),SWRCH 6021-000118 NUT-HEXAGON 1C,M3,ZPC(YEL),SM20C BH62-00051A HEAT SINK-V IC AQ17,SPC-1,T1.0,H60,L13,-,-,- CF21M* 7-15...
  • Page 38 BH62-30409A HEAT/SINK-TR A6063S,T1.5,-,CGH7609 HS602 BH99-10047H ASSY HEAT/SINK HS TR,SPRING,D5SB60,-,-,OIL SILICON 0402-001160 DIODE-BRIDGE D5SB60,600V,6A,SIP-4,- BH61-70003A SPRING ETC CVT4857,STS304-W1/2H,W3.8,-,L30,L30,-,T0.5,DEGRE,W3.8,STS304-W1/2H BH62-30409A HEAT/SINK-TR A6063S,T1.5,-,CGH7609 HS601 BH99-10052L ASSY HEAT/SINK HS POWER,SPRING,DP408,-,-,RUBBER SILICON BH13-00019A IC-POWER SWTICH DP408,PN19MT,5P,-25to+85C,TO-3P-5L,-,35V,ST BH61-70003A SPRING ETC CVT4857,STS304-W1/2H,W3.8,-,L30,L30,-,T0.5,DEGRE,W3.8,STS304-W1/2H BH62-30411C HEAT/SINK A6063S,T1.8,-,ALL 7-16 CF21M*...
  • Page 39 100nF,10%,25V,X7R,TP,2012 IC103 1204-001864 IC-OSD PROCESSOR S5D2509X09-S0,SOP,24P,295MIL,PLASTIC,6.5V,1200MW,-20+70C,TR,10LANGUAGES R111 2007-000290 R-CHIP 100OHM,5%,1/10W,DA,TP,2012 R112 2007-000300 R-CHIP 10KOHM,5%,1/10W,DA,TP,2012 R113 2007-000518 R-CHIP 2.7KOHM,5%,1/10W,DA,TP,2012 R114 2007-000300 R-CHIP 10KOHM,5%,1/10W,DA,TP,2012 R115 2007-000586 R-CHIP 22KOHM,5%,1/10W,DA,TP,2012 R116 2007-000290 R-CHIP 100OHM,5%,1/10W,DA,TP,2012 R117 2007-000290 R-CHIP 100OHM,5%,1/10W,DA,TP,2012 R118 2007-000290 R-CHIP 100OHM,5%,1/10W,DA,TP,2012 CF21M* 7-17...
  • Page 40 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD108 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD109 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD111 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G C104 2401-003224 C-AL 470uF,20%,16V,WT,TP,8X11.5,5mm C112 2401-003224 C-AL 470uF,20%,16V,WT,TP,8X11.5,5mm C113 2401-003034 C-AL 220uF,20%,16V,WT,TP,8x11.5,5 C116 2401-000393 C-AL 10uF,20%,100V,WT,TP,8x11.5,5 C117 2401-000393 C-AL 10uF,20%,100V,WT,TP,8x11.5,5 7-18 CF21M*...
  • Page 41 ID1.5,OD2,L3.1,SN,BSS3-E/EH 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH IC104 BH13-00022A IC-BIAS CLAMP LM2480NA,PN15H/17L,8P,0to+70C,DIP,3mA,85V,ST BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP100 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP101 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP102 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP103 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP104 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. CF21M* 7-19...
  • Page 42 CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP90 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP91 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP92 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP93 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP94 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP95 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP97 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. 7-20 CF21M*...
  • Page 43 SK104 4715-000106 SURGE ABSORBER 300V,210-390V,-,-,AXIAL SK108 4715-001055 SURGE ABSORBER 1kV,+50-10%,-,-,RADIAL ZD101 0403-000509 DIODE-ZENER MTZJ5.6B,5.6V,5.45-5.73V,500mW ZD103 0403-000509 DIODE-ZENER MTZJ5.6B,5.6V,5.45-5.73V,500mW BH99-00008F ASSY HEAT/SINK HS VIDEO,SCREW+NUT,LM2412,-,-,- 6006-001008 SCREW-ASS’Y MACH WSP,BH,+,M3,L10,ZPC(YEL),SWRCH 6021-000118 NUT-HEXAGON 1C,M3,ZPC(YEL),SM20C BH13-00024A IC HYBRID LM2412T,AQ19FS,11P,-20TO+100C,TO-220-11L,26MA,90V,ST BH62-00012A HEAT SINK-VIDEO A1050S,T2.0,-,PEGSUS CF21M* 7-21...
  • Page 44 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP EY101 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH EY102 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH EY103 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH EY104 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH EY105 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH 0801-000337 IC-CMOS LOGIC 74HCT14,SCHIMITT INVERTER,DIP, JP107 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP108 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. 7-22 CF21M*...
  • Page 45 R-CARBON 75OHM,5%,1/8W,AA,TP,1.8X3.2MM RB54 2001-000666 R-CARBON 33OHM,5%,1/8W,AA,TP,1.8X3.2MM RB55 2001-000527 R-CARBON 22OHM,5%,1/8W,AA,TP,1.8X3.2MM RG51 2001-000969 R-CARBON 75OHM,5%,1/8W,AA,TP,1.8X3.2MM RG52 2001-000302 R-CARBON 10OHM,5%,1/8W,AA,TP,1.8X3.2MM RG53 2001-000969 R-CARBON 75OHM,5%,1/8W,AA,TP,1.8X3.2MM RG54 2001-000302 R-CARBON 10OHM,5%,1/8W,AA,TP,1.8X3.2MM RG55 2001-000527 R-CARBON 22OHM,5%,1/8W,AA,TP,1.8X3.2MM RR51 2001-000969 R-CARBON 75OHM,5%,1/8W,AA,TP,1.8X3.2MM RR52 2001-000302 R-CARBON 10OHM,5%,1/8W,AA,TP,1.8X3.2MM CF21M* 7-23...
  • Page 46 ASS’Y PBA UNIT BH94-00381A ASS’Y, PCB CF21MS B/D ASS’Y CODE BH98-00338A ASS’Y, PCB-MAIN CF21MS BH98-00335A ASS’Y, PCB-VIDEO CF21MS BH98-00336A ASS’Y, PCB-BNC CF21MS P/CORD BH39-10007A CBF-POWER/CORD DEF,H05VV-F,250V/6A,IVY,1830MM BH39-10339E CBF-POWER/CORD DEF,SVT,125V 7A/10A,IVY,1830MM SIGNAL BH39-00001A CBF-SIGNAL 1830MM, 15P/15P, IVY, 2990, D-SUB/MALE 7-24 CF21M*...
  • Page 47 7 Electrical Parts List 7-5 S-Corretion Table ~114.9 ~104.9 ~99.9 ~94.9 ~91.9 ~84.9 ~80.9 ~77.9 ~75.9 ~69.9 ~67.9 ~64.9 ~60.9 ~58.9 ~54.9 ~50.9 ~45.9 ~39.9 ~36.9 ~34.9 CF21M* 7-25...
  • Page 48 7 Electrical Parts List Memo 7-26 CF21M*...
  • Page 49 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks CF21M* 7-27...
  • Page 50 6 Exploded View & Parts List Memo CF21M*...

  • Page 51: Dpms Failure

    Check IC201 Pin 25 Does +12V Line off? or replace IC201. (Check the IC651 output Pin 2) Does +14V_V Line off? Check Q671, D670. (Check the Q670 Collector) Check IC201 Pin 23 Does the Q620 activate? or replace IC201. Done. CF21M*...
  • Page 52 Check DY connector connection. WAVEFORMS IC402, #6 Q454, Drain Q401, Gate CH1 P-P = 10.96 V CH1 RMS = 6.180 V CH1 P-P = 11.6 V CH1 RMS = 6.944V Q401, Drain Q402, Base Q402, Collector CF21M*...
  • Page 53 Check some parts around IC403. Check L403. 5-1-7 Invariable H_Size D250 Cothode voltage varies with Check and replace IC250, IC201. different H_Size DAC values? IC402 Pin 6 output duty varies with Check some parts different H_Size DAC values? around IC250, IC201. CF21M*...
  • Page 54 Check and replace IC250. The waveform is right? Check and replace IC402. WAVEFORMS Check some parts IC402 Pin 2 and IC250 Pin 24. IC250, #24 5-1-10 Para. or Pin Balance Failure IC250 Pin 24 output varies with different DAC values? Replace IC261. CF21M*...
  • Page 55 Refer to 5-1-1 No Power supply. IC250, #23 IC250 Pin 23 output exists? Check and replace IC250. The waveform is right? IC301 Pin 6 output exists? Check and replace some The waveform is right? parts around IC301. IC301, #6 Check V DY connector connection. CF21M*...
  • Page 56 Q504 gate driving pulse exist? Check and replace The waveform is right? Q502, Q503, R511, IC501. Q504, Gate Are there some voltages Check and replace Q504, D508, (350V, 30V, -210V, etc) D509, D530, D507, D505. at secondary part of FBT? Done. CF21M*...
  • Page 57 Does the voltage of Q541 collector change as the FH function Check Q541 and others components. CH1 P-P = 580 V CH1 RMS = 278.2 V is changed on the OSD menu? Check the connection between FBT Pin 13, CRT Socket PCB. CF21M*...

  • Page 58: No Video

    Are there waveforms at CRT Check and replace IC105 Socket Pin Red, Green, Blue? (19”:IC102) and components around IC105 (19”:IC102). G2 voltage is right? Check D598, D599 and G2 wire. Heater Voltage is right? Check CN102 wire Assy. Change CRT. Done. CF21M*...

  • Page 59: Micom Failure

    CH1 P-P = 3.42 V CH1 RMS = 2.500V IC201 Pin 40 input is High Active? Check and replace IC202. 3.16 V (IC201, #32) All in/output values are right? Replace IC201. CH1 P-P = 3.16 V CH1 RMS = 2.560 V Done. 5-10 CF21M*...
  • Page 60 Check and replace IC103 (19”:IC103). Pins 1, 4 and 9, 13) input is right? IC103, #5, 24 Does the Voltage Change on IC201 Pins 11, 12 When you Check CN204 and Assy. push the control Button? Check IC201. Done. CF21M* 5-11...
  • Page 61 Done. 5-1-21 Degaussing Failure Check degaussing connector. RL601 operation is right? Check D-Coil, POS601. Q601 base input is right? Check and replace Q601. Check and replace IC201. IC201 Pin 31 output is right? Check user function key. Done. 5-12 CF21M*...

  • Page 62: General Troubleshooting

    Replace the CRT. 5-2-2 Shut Down LED is blinking so fast Check SDA (IC201 Pin 30) and SCL (Once per 300m sec)? (IC201 Pin 29) Replace IC280, IC201. LED is blinking once a second? Check signal cable and signal source. CF21M* 5-13...

  • Page 63: Missing Color

    Proper DC voltage are Pin 1, 3 and 5. on all cathodes? Check and replace IC105 (19”: IC102) and IC104 (19”: IC104). Check D598, D599 and G2 wire. G2 voltage is right? Check around FBT circuits also. Change the CRT. Done. 5-14 CF21M*...
  • Page 64 Check IC102 (19”: IC101) Pin 25, 28 and 30 of IC102 and related components. (19”: 29, 32 and 35 of IC101)? Is V_FLB and DC_bias on Check Q301, CN102 Assy, G1 Pin at CRT socket? Q520, D520, and D521. Done. CF21M* 5-15...

  • Page 65: Unsynchronized Image

    IC250 Pin 23 and 26 right? Are H_FLYBACK of IC102 Pin 23 Check CN102 Assy and Q103. (19”: IC101 Pin 27) right? Check clamp pulse of IC102 Pin 22 (19”: IC101 Pin 19) replace IC201 and Q107. Done. 5-16 CF21M*...
  • Page 66 (CN104, CN105). Proper voltage are appeared Check and replace IC106. The convergence is on IC106 Pin 7, 8, 10, and 11 now within spec.? in Video Board. Change CRT and readjust convergence. Change CRT and readjust convergence. Done. Done. CF21M* 5-17...
  • Page 67 Refer to 5-1-15 Dynamic Dynamic focus circuit is right? Focus Failure. Replace the CRT and verify focus. 5-2-8 Purity Failure Degaussing Purity is right? Done. Degaussing circuit is right? Refer to 5-1-20 Degaussing Failure. Replace CRT and verify purity. 5-18 CF21M*...

  • Page 68: Display Control Adjustments

    (Horizontal x Vertical Size Table) CONDITIONS Scanning frequency: 91 kHz / 85 Hz 21” Display image: Crosshatch pattern Horizantal Brightness: Cut-off Contrast: Maximum 294.5 Vertical Click on the << or >> box next to H_POSI to center the horizontal image on the raster. CF21M*...
  • Page 69 “@4: USER DELETE” in right menu. 4-2-5 Parallelogram Adjustment CONDITIONS Scanning Frequency: 91 kHz / 85 Hz Display image: Crosshatch pattern Brightness: Cut-off Contrast: Maximum Use control bar after selecting “PARALLEL” in left menu to make the image area rectangular. CF21M*...

  • Page 70: Color Adjustments

    3. Select COLOR FACTORY SAVE to save the CUTOFF” in left menu to 0.283 ± 0.015 data. * If color values would not be matched desirable values, repeat sequence 3 and 4 after readjusting “GREEN CUTOFF” control a little different. CF21M*...
  • Page 71 Adjust the brightness of the G_GAIN less 2 ft-L 3. Click on the << or >> boxes next to R_CUT than brightness of procedure for 9300K. and B_CUT to adjust the R-Bias to x = 0.313 ± 0.02 and the B-Bias to y = 0.329 ± 0.02. CF21M*...
  • Page 72 (For 9300K color adjustment: x = 0.283 ± 0.02, y = 0.298 ± 0.02) Scanning frequency: 91 kHz / 85 Hz 7. When you have the PCMs properly adjusted, Display image: “H” character pattern carefully glue them together to prevent their Brightness: Cut off point movement during shipping. Contrast: Maximum CF21M*...
  • Page 73 4 plastic ties on the Bracket. side. 2. Lift the Degaussing Coil Assembly from the 3. Disconnect CN201, CN409, CN601, H_DY, Bracket. CN604 and Anode Cap on the Main PCB Assembly. 3-2 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures. CF21M*...
  • Page 74 B : Horizontal sync width O : Frame time total P : Vertical sync width C : Back porch D : Active time Q : Back porch R : Active time E : Front porch S : Front porch CF21M*...

  • Page 75: Servicing Precautions

    “anti-static” a carpeted floor can generate enough static can generate electrical charges sufficient to damage electricity to damage an ESD. ESDs. Indicates ESDs on the Schematic Diagram in this manual. CF21M*...
  • Page 76 Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Paldal-Gu, Suwon City, Kyungki-Do, Korea. Printed in Korea P/N : BH81-00017A-00 http://www.samsungmonitor.com (SyncMaster Worldwide) http://www.samsung-monitor.com (SyncMaster USA) http://www.sec.co.kr/monitor (Korea)

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