Samsung CF21G Series Service Manual
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Samsung CF21G Series Service Manual

Samsung CF21G Series Service Manual

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SERVICE
COLOR MONITOR
COLOR MONITOR
CF21G*(1100DF)
Manual
CONFIDENTIAL
CONTENTS

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Summary of Contents for Samsung CF21G Series

  • Page 1: Table Of Contents

    CONFIDENTIAL COLOR MONITOR CF21G*(1100DF) 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.

  • Page 2: Precautions

    CONFIDENTIAL 1 Precautio 1-1 Safety Precautions WARNINGS Inspect all protective devices such as nonmetallic For continued safety, do not attempt to modify the control knobs, insulating materials, cabinet backs, circuit board. adjustment and compartment covers or shields, isolation resistor-capacitor networks, mechanical Disconnect the AC power before servicing.
  • Page 3 CONFIDENTIAL 1 Precautions 1-2 Servicing Precautions WARNING1: First read the “Safety Precautions” section of this manual. If unforeseen circumstances create conflict between the servicing precautions and safety precautions, always follow the safety precautions. WARNING2: A high voltage VR replaced in the wrong direction may cause excessive X-ray emissions.

  • Page 4: Product Specifications

    CONFIDENTIAL 2 Product Specifications 2-1 Specifications Item Description Picture Tube: 21-Inch (53 cm): 20-inch (50.8 cm) viewable, 21”: 0.25 mm Dot pitch. Full-square tube / Perfect Flatmess, 90˚ Deflection, Anti-Reflection coating with Anti-electrastatic, Medium short persistence phosphor Scanning Frequency Horizontal : 30 kHz ~ 121 kHz Display Colors Unlimited colors Maximum Resolution...
  • Page 5 CONFIDENTIAL 2 Product Specifications Table 2-1 Timing Chart Mode VESA VGA2/70Hz VGA3/60Hz 640/85 Hz 800/85 Hz 1280/85 Hz 1600/85 Hz 1024/85 Hz 1920/75 Hz 720 x 400 640 x 480 640 x 480 800 x 600 1024 x 768 1280 x 1024 1600 x 1200 1920 x 1440 Timing...

  • Page 6: Disassembly & Reassembly

    CONFIDENTIAL 3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the CF21G* 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. 2.
  • Page 7 CONFIDENTIAL 3 Disassembly and Reassembly 3-1-7 Removing the Video PCB Assembly 3-1-9 Removing the Main PCB Rear Shield and Video PCB 1. Remove 6 screws on the main PCB. 1. Remove the 3 screws on the PCB Assembly. 2. Pull the Main PCB towards you and carefully 2.

  • Page 8: 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 9 CONFIDENTIAL 4 Alignment and Adjustments 4-2 Display Control Adjustments 4-2-1 Centering 4-2-1 (d) VERTICAL POSITION ADJUSTMENT Centering means to position the center point of CONDITIONS the display in the middle of the display area. Scanning frequency: 91 kHz / 85 Hz Horizontal size and position and vertical size and Display image: Crosshatch pattern...
  • Page 10 CONFIDENTIAL 4 Alignment and Adjustments 4-2-2 (b) VERTICAL LINEARITY ADJUSTMENT CONDITIONS Scanning frequency: 91 kHz / 85 Hz Display image: Crosshatch pattern Brightness: Cut-off Contrast: Maximum 4 mm To adjust the Vertical Linearity, refer to Table 4-1 Figure 4-6. Parallelogram for the tolerance range.
  • Page 11 CONFIDENTIAL 4 Alignment and Adjustments 4-3 Color Adjustments 4-3-1 Color Coordinates (Temperature) 4-3-2 (b) G-GAIN ADJUSTMENT Color temperature is a measurement of the 1/3H-1/2H radiant energy transmitted by a color. For computer monitors, the color temperature refers FRONT BEZEL OPENING to the radiant energy transmitted by white.
  • Page 12 CONFIDENTIAL 4 Alignment and Adjustments Luminance Table (9300K) 4-3 4-3-3 (b) G-GAIN ADJUSTMENT This procedure is the same as that for 9300K, refer 21” to the procedure on page 4-5. Without ABL 32 ft-L Adjust the brightness of the G_GAIN less 2 ft-L than brightness of procedure for 9300K.
  • Page 13 CONFIDENTIAL 4 Alignment and Adjustments CONDITIONS PROCEDURE Scanning frequency: 91 kHz / 85 Hz 1. Adjust the Focus VR on the FBT to display the Display image: Full white pattern sharpest image possible. Brightness: Cut-off 2. Use Locktite to seal the Focus VR in position. Contrast: Maximum 4-3-7 Color Purity Adjustment...

  • Page 14: Troubleshooting

    CONFIDENTIAL 5 Troubleshooting 5-1 Parts Level Troubleshooting Notes: 1. If a picture does not appear, Click the Brightness and Contrast button on the front panel, and then increase the value of Brightness and Contrast. 2. Check the following circuits. • No raster appears: Power circuit, Horizontal output circuit, H/V control circuit, and H/V output circuit. •...
  • Page 15 CONFIDENTIAL 5 Troubleshooting 5-1-2 PFC Failure Check the Voltage at IC701 Pin5. Check and Replace D702, The Voltage is around 10V R711, ZD705, ZD706. Q701 Gate waveform is right? Replace IC701. Check the Voltage at D701 cathode. Replace Q701, D701. The Voltage is about 400V Done.
  • Page 16 CONFIDENTIAL 5 Troubleshooting 5-1-4 H_Deflection Failure 1. Appear the Voltage 12V IC402 Pin 7 replace R451. IC402 Pin 6 waveform is right? 2. Check IC402 Pins 6~5, 7~6. 3. Replace IC402. Q454 drain Check Q451, Q452, Q453, waveform is right? ZD450, R467, D456.
  • Page 17 CONFIDENTIAL 5 Troubleshooting 5-1-5 S Correction Failure Check S1 ~ S6 signal. Refer to the S-corrction table page? S1~S6 signals are right at Check and replace IC201. each frequency block? Check and replace C411, C414, C415, C416, C417, C418,C419, Q403 ~ Q407, Q408 ~ Q412, Q413, Q414. 5-1-6 H_Lin.
  • Page 18 CONFIDENTIAL 5 Troubleshooting 5-1-8 Abnormal H_Size WAVEFORMS The Voltage waveforms at Repeat the troubleshooting Q402, Collector Q402 Collector are right? Guide of H_deflection failure. T402 pin 8 wareform is right? Replace T402. T402, #8 Check some parts around IC250 and IC402 Pin 1 and 2. 5-1-9 Side Pin or Trap Failure IC250 Pin 24 output exists? Check and replace IC250.
  • Page 19 CONFIDENTIAL 5 Troubleshooting 5-1-11 Tilt Failure Check tilt connector connection IC201 Pin 19 output duty varies Check and replace IC201. with different DAC values? IC403 Pin 10, 11 output varies with Check and replace IC403. different DAC values? Check and replace CRT. 5-1-12 V Deflection Failure WAVEFORMS Is 14V at IC301 Pin 2?
  • Page 20 CONFIDENTIAL 5 Troubleshooting 5-1-13 V Size or Pos. Variation Failure IC250 Pin 23 output varies with Check some parts around IC250. different DAC values? Check bias voltage. Check and replace IC250 and IC301. 5-1-14 High Voltage Failure Check +12 V line. WAVEFORMS Q504 gate driving pulse exist? Check and replace...
  • Page 21 CONFIDENTIAL 5 Troubleshooting 5-1-15 ABL Failure Input full white pattern to monitor. IC102 Pin12 input exists and Check and replace IC102. varies with different patterns? Check CN102, Q101, Q102, ZD101. T501 Pin 8 Voltage exists? Check and replace T501. IC103 Pin 16 output exists and Check and replace IC103.
  • Page 22 CONFIDENTIAL 5 Troubleshooting 5-1-17 No Video WAVEFORMS Check signal cable and connection. CRT Socket, Red, Green, Blue IC101 Pins 1, 3 and 5 Check CN101, IC1, QR51, QG51, inputs are right? QB51, and IC3 on BNC Board. IC101 Pins 20, 22 and 24 Check Vcc on IC101 and replace IC101.
  • Page 23 CONFIDENTIAL 5 Troubleshooting 5-1-18 Micom Failure WAVEFORMS IC201 Pin 35 input is over 4.2V? Check IC650. 3.42 V (IC201, #8) IC201 Pin 8 and 9 Check X201, C203 and C204. 16 17 inputs are right? CH1 P-P = 3.42 V CH1 RMS = 2.500V All in/output values are right? Replace IC201.
  • Page 24 CONFIDENTIAL 5 Troubleshooting 5-1-20 User Control Failure Check connector Ass’y. IC201 Pins 16 and 17 inputs are Check and replace function key. right at each function? Check and replace IC201. Done. 5-1-21 Degaussing Failure Check degaussing connector. RL601 operation is right? Check D-Coil, POS601.
  • Page 25 CONFIDENTIAL 5 Troubleshooting 5-2 General Troubleshooting 5-2-1 No Picture WAVEFORMS Go to 5-2-2 Shut down LED blinks? troubleshooting guide. R, G, B, Video Check D598, D599 and G2 wire. G2 Voltage is right? Also check around FBT circuits. Heater Voltage is right? Check CN201 Assy and D642, Q672.
  • Page 26 CONFIDENTIAL 5 Troubleshooting 5-2-3 Missing Color Proper Video levels are Check signal generator and on CN101 Pin 1, 3 and 5. replace BNC Board. Proper AC voltage are Refer to 5-1-17 No Video. on all cathodes? Proper DC voltage are Check IC105 Pin 1, 3 and 5.
  • Page 27 CONFIDENTIAL 5 Troubleshooting 5-2-4 Visible Retrace Check white balance adjustment. G2 voltage is right? Check G2 control volume and FBT. Blank pulse is on Pin 23 of Check CN102, Q104. IC102 on Video board? Blank pedestal is on Check IC102 and related Pin 25, 28 and 30 of IC102 ? components.
  • Page 28 CONFIDENTIAL 5 Troubleshooting 5-2-5 Unsynchronized Image Compare input sync. of IC201 Pin 41 and 42 with output sync. of IC201 33 and 34. Are they all right? Check and replace IC201. Are H_Out and V_Out Check and replace IC250. of IC250 Pin 23 and 26 right? Are H_FLYBACK of Check CN102 Assy and Q103.
  • Page 29 CONFIDENTIAL 5 Troubleshooting 5-2-6 Misconvergence Are the C/G control circuits in the video Board? Check the C/G control Assy Try readjusting convergence. (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.
  • Page 30 CONFIDENTIAL 5 Troubleshooting 5-2-7 Poor Focus Adjust focus VR. Aging monitor and Improved focus? check for focus change. Check focus leads from FBT to CRT Socket. Check the CRT Socket. Refer to 5-1-16 Dynamic Dynamic focus circuit is right? Focus Failure. Replace the CRT and verify focus.
  • Page 31 CONFIDENTIAL 5 Troubleshooting 5-2-9 No Operating High Light Zone WAVEFORMS Change the video signal to windows pattern. IC101, #14, 15 Does not the High Light Done. Zone appear? Are the waveforms right Check connection Assy (CN102). on IC101 Pin 14 and 15? IC101, #18 Is the waveform right on Check and replace IC103.

  • Page 32: Exploded View & Parts List

    CONFIDENTIAL 6 Exploded View and Parts List CF21G*...
  • Page 33 CONFIDENTIAL 6 Exploded View & Parts List Memo CF21G*...

  • Page 34: Electrical Parts List

    CONFIDENTIAL 7 Electrical Parts List ❈ You can search for updated part codes through ITSELF web site. URL : http://itself.sec.samsung.co.kr/ 7-1 Main PCB Parts Loc. No. Code No. Description Specification Remarks BH94-00825A ASSY PCB MAIN CF21GS C414 2306-000102 C-FILM,MPPF 1.2uF,5%,250V,TP,29*31*14.5,20...
  • Page 35 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks POS601 1404-001154 THERMISTOR-PTC 4.5OHM,+30%/-20%,220V,270VAC,21A,-,BK POWERCLAMP 6502-000135 CABLE CLAMP DAWS-2NA,ID10,-,NTR,NYLON66 Q401 0505-001357 FET-SILICON SKS4N20,N,200V,3A,1.3OHM,27W,TO-220F Q407 0505-001305 FET-SILICON SKS10N20,N,200V,6.9A,0.36OHM,39W,TO-220F Q414 0505-001305 FET-SILICON SKS10N20,N,200V,6.9A,0.36OHM,39W,TO-220F 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...
  • Page 36 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C257 2301-000188 C-FILM,PEF 1nF,5%,100V,TP,10.5x12.5x6.5,5 C258 2201-000012 C-CERAMIC,DISC 0.22NF,10%,1KV,Y5P,TP,6.3X5MM,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 C266 2301-000168 C-FILM,PEF 150nF,5%,100V,TP,11.5x19mm,7.5 C268 2401-003484 C-AL...
  • Page 37 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C467 2301-000102 C-FILM,PEF 1.2nF,5%,100V,TP,5.4x10mm,5mm C468 2201-000131 C-CERAMIC,DISC 0.1NF,10%,2KV,Y5P,TP,6.3X5MM,5 C501 2301-000294 C-FILM,PEF 56nF,5%,100V,TP,9.5x12.5mm,5mm C502 2301-000203 C-FILM,PEF 2.7nF,5%,100V,TP,7x3.0x6.5mm,5 C503 2401-001378 C-AL 470uF,20%,16V,WT,TP,10x20,5 C504 2401-000292 C-AL 100uF,20%,16V,WT,TP,8x11.5mm,5 C505 2201-000163 C-CERAMIC,DISC 10NF,+80-20%,50V,Y5V,TP,7X3MM,2.5 C506 2305-000289 C-FILM,MPEF...
  • Page 38 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C652 2401-000010 C-AL 220uF,20%,16V,GP,-,6.3x11mm,2. C653 2201-000119 C-CERAMIC,DISC 100NF,+80-20%,50V,Y5V,TP,8X3MM,5 C654 2401-000142 C-AL 1000uF,20%,16V,WT,TP,10x20,5 C655 2301-000148 C-FILM,PEF 10nF,5%,100V,TP,7x3.2x7mm,5mm C656 2202-002009 C-CERAMIC,MLC-AXIAL 100NF,+80-20%,50V,Y5V,TP,2.3X3.0MM,- C702 2305-000289 C-FILM,MPEF 220nF,5%,63V,TP,-,5mm C703 2201-000376 C-CERAMIC,DISC 0.22NF,5%,50V,SL,TP,6.3X3.5MM,5 C705 2301-000188 C-FILM,PEF...
  • Page 39 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks D523 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP D530 0402-000017 DIODE-RECTIFIER RGP02-12,1200V,0.5A,DO-204AL,T D532 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP D540 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP D551 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP D552 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP D553 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP D561 0401-000005 DIODE-SWITCHING...
  • Page 40 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks EY603 6042-000001 EYELET ID2.2,OD2.7,L3.1,NI+SN,BSP3-1/2H EY604 6042-000001 EYELET ID2.2,OD2.7,L3.1,NI+SN,BSP3-1/2H EY607 6042-000001 EYELET ID2.2,OD2.7,L3.1,NI+SN,BSP3-1/2H EY608 6042-000001 EYELET ID2.2,OD2.7,L3.1,NI+SN,BSP3-1/2H EY609 6042-000001 EYELET ID2.2,OD2.7,L3.1,NI+SN,BSP3-1/2H EY61 6042-000001 EYELET ID2.2,OD2.7,L3.1,NI+SN,BSP3-1/2H EY610 6042-000001 EYELET ID2.2,OD2.7,L3.1,NI+SN,BSP3-1/2H EY611 6042-000001 EYELET...
  • Page 41 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks JP363 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP365 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP371 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP372 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP375 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP376 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0.
  • Page 42 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks JP691 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP699 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP702 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP703 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP705 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP706 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0.
  • Page 43 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks JP843 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. L400 2701-000179 INDUCTOR-AXIAL 33uH,10%,4.2x9.8mm L501 2701-000179 INDUCTOR-AXIAL 33uH,10%,4.2x9.8mm L502 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. MP1.2 BH41-00219A PCB MAIN CF21GS_MAIN,FR1,1,1.6T,247*330,1,21 MAIN Q250 0501-000586 TR-SMALL SIGNAL KSC945,NPN,250mW,TO-92,TP,120-240 Q251 0501-000303...
  • Page 44 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R240 2001-000977 R-CARBON 8.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R242 2001-000734 R-CARBON 4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM R243 2001-000734 R-CARBON 4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM R250 2001-000281 R-CARBON 100OHM,5%,1/8W,AA,TP,1.8X3.2MM R251 2001-000281 R-CARBON 100OHM,5%,1/8W,AA,TP,1.8X3.2MM R252 2001-000563 R-CARBON 27KOHM,5%,1/8W,AA,TP,1.8X3.2MM R253 2004-001118 R-METAL 5Kohm,1%,1/4W,AA,TP,2.4x6.4mm R254 2001-000241 R-CARBON...
  • Page 45 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R422 2001-000429 R-CARBON 1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R423 2001-000429 R-CARBON 1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R424 2001-000411 R-CARBON 18KOHM,5%,1/8W,AA,TP,1.8X3.2MM R425 2001-000411 R-CARBON 18KOHM,5%,1/8W,AA,TP,1.8X3.2MM R426 2001-000411 R-CARBON 18KOHM,5%,1/8W,AA,TP,1.8X3.2MM R427 2001-000411 R-CARBON 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...
  • Page 46 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R533 2001-000734 R-CARBON 4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM R541 2001-000114 R-CARBON(S) 180KOHM,5%,1/2W,AA,TP,2.4X6.4MM R542 2001-000114 R-CARBON(S) 180KOHM,5%,1/2W,AA,TP,2.4X6.4MM R543 2002-001079 R-COMPOSITION 470Kohm,5%,1/2W,AA,TP,4x10mm R545 2001-000331 R-CARBON 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...
  • Page 47 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks 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 2801-000006 CRYSTAL-UNIT 12MHz,50ppm,28-AAM,S,35ohm,BK ZD201 0403-000367...
  • Page 48 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks 0205-001027 OIL-SILICON G746,-,- 0505-001359 FET-SILICON SFP9634,P,-250V,-5A,1.3OHM,70W,TO-220 BH61-00004A SPRING ETC-TR CDA,CDB,SUS304,-,-,-,-,-,T0.5,-,-,- BH62-00039A HEAT SINK-TR PN19MT,A1050S,T1.0,20,20,-,-,- HS508 BH99-00045A ASSY HEAT/SINK HS,SCREW+NUT,TIP29C,-,-,OIL SILICON 0205-001027 OIL-SILICON G746,-,- 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...
  • Page 49 CONFIDENTIAL 7 Electrical Parts List 7-2 Video PCB Parts Loc. No. Code No. Description Specification Remarks BH94-00826A ASSY PCB VIDEO CF21GS BH39-00008A CBF-HARNESS -,100MM,-,8*0.16TA*16,-,35798-9810/35750-101 BH39-00084A CBF-HARNESS ,130MM,8*0.16TA*16 BH71-00021A SHIELD-VIDEO PG17HS,SPTE,T0.3 BH71-10311A EARTH-PLATE PBS 3/4H BH61-00002A SPRING ETC-VIDEO CDB7907,STS H14 ,-,-,-,-,-,T1.0,-,-,- BH71-00022A SHIELD VIDEO PG17HS,A1050S,T1.0...
  • Page 50 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks CR05 2203-000595 C-CERAMIC,CHIP 0.22NF,5%,50V,C0G,TP,2012 IC101 1201-001886 IC-VIDEO AMP S1D2521X01,SOP,24P,375MIL,-,-,PLASTIC,5.5V,0.8W,-25TO+75C,-,-,-,-,-,TR IC103 1204-001994 IC-OSD PROCESSOR S5D2509X15,SOP,24P,375MIL,PLASTIC,5.25V,1.2W,-20TO+70C,TP,RUSSIA OSD L102 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm L107 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm R101 2007-001071 R-CHIP 6.8Kohm,5%,1/8W,TP,2012 R102 2007-000355 R-CHIP 12Kohm,5%,1/8W,TP,2012...
  • Page 51 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks RR03 2007-000931 R-CHIP 470ohm,5%,1/8W,TP,2012 RR04 2007-000941 R-CHIP 47Kohm,5%,1/8W,TP,2012 RR05 2007-000822 R-CHIP 390ohm,5%,1/8W,TP,2012 RR08 2007-000593 R-CHIP 22ohm,5%,1/8W,TP,2012 RR10 2007-000710 R-CHIP 3.9Kohm,5%,1/8W,TP,2012 BH97-00349A ASSY AUTO- VIDEO CF21GS BD101 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD102 3301-000011...
  • Page 52 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks DB02 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP DB03 0401-000004 DIODE-SWITCHING 1SS244,250V,625mA,DO-34,TP DB04 0401-000004 DIODE-SWITCHING 1SS244,250V,625mA,DO-34,TP DB05 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP DG01 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP DG02 0401-000005 DIODE-SWITCHING 1N4148,100V,200mA,DO-35,TP DG03 0401-000004 DIODE-SWITCHING 1SS244,250V,625mA,DO-34,TP DG04 0401-000004 DIODE-SWITCHING...
  • Page 53 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks JP63 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP64 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP65 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP66 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP67 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP68 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0.
  • Page 54 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks RB06 2001-000302 R-CARBON 10OHM,5%,1/8W,AA,TP,1.8X3.2MM RB07 2001-000009 R-CARBON 20KOHM,5%,1/8W,AA,TP,1.8X3.2MM RB09 2001-000546 R-CARBON 270KOHM,5%,1/4W,AA,TP,2.4X6.4MM RB11 2001-000281 R-CARBON 100OHM,5%,1/8W,AA,TP,1.8X3.2MM RB12 2001-001165 R-CARBON(S) 56OHM,5%,1/2W,AA,TP,2.4X6.4MM RG06 2001-000302 R-CARBON 10OHM,5%,1/8W,AA,TP,1.8X3.2MM RG07 2001-000009 R-CARBON 20KOHM,5%,1/8W,AA,TP,1.8X3.2MM RG09 2001-000546 R-CARBON...
  • Page 55 CONFIDENTIAL 7 Electrical Parts List 7-3 BNC PCB Parts Loc. No. Code No. Description Specification Remarks BH94-00836A ASSY PCB MISC-BNC CF21GS B/BNC+SH/BNC 6003-001023 SCREW-TAPTITE RWH,+,B,M3,L10,ZPC(YEL),SWRCH1 0202-001044 SOLDER-WIRE. S63S-W3.0,S63S,D3,63Sn/37Pb,- 0202-001222 SOLDER-WIRE FLUX RS-107,RS60-1.2AA,D1.2,SN60/PB40,- 0204-001095 THINNER #4520,-,-,- 0204-001677 FLUX DF-201TVS,MIX,0.820,FLUX 13%,G 0205-001111 OIL-SILICON YH-500,300,2.5 6502-000127...
  • Page 56 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks EY105 6042-000001 EYELET ID2.2,OD2.7,L3.1,NI+SN,BSP3-1/2H 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. JP109 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0. JP110 BH39-40305U CBF HARNESS 52MM,AWG22(0.6PI),-,-,AWG22(0.
  • Page 57 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks RR52 2001-000302 R-CARBON 10OHM,5%,1/8W,AA,TP,1.8X3.2MM RR53 2001-000969 R-CARBON 75OHM,5%,1/8W,AA,TP,1.8X3.2MM RR54 2001-000302 R-CARBON 10OHM,5%,1/8W,AA,TP,1.8X3.2MM RR55 2001-000527 R-CARBON 22OHM,5%,1/8W,AA,TP,1.8X3.2MM ZD151 0403-000361 DIODE-ZENER UZ6.2BSB,6.2V,5.99-6.24V,500mW ZD152 0403-000361 DIODE-ZENER UZ6.2BSB,6.2V,5.99-6.24V,500mW ZD153 0403-000361 DIODE-ZENER UZ6.2BSB,6.2V,5.99-6.24V,500mW ZD154 0403-000361 DIODE-ZENER...
  • Page 58 CONFIDENTIAL 7 Electrical Parts List 7-4 Others Loc. No. Code No. Description Specification Remarks BH90-00521A ASSY STAND CF21GS BH75-00065A UNIT-STAND PG21LS,ABS HB(NONE,1.5),-,IV16,- BH61-40002A FOOT-RUBBER -,NR,PMS428U,GA4237,-,-,- BH63-30103A FELT-STAND MCM1755,FELT,T1.0,W10,L4 BH72-00055A STAND TOP PG21LS,ABS,HB,IV16 BH72-60773A STAND BASE BH90-00538A ASSY COVER FRONT CF21GS C/F+CDT 6003-001023 SCREW-TAPTITE...
  • Page 59 CONFIDENTIAL 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks 0203-001102 TAPE-OPP MASKING OPP-2,T0.05,W100,L400M,CLR 6902-000108 BAG PE HDPE,T0.015,L1100,W1120,TRP,28,4,PE MARK BH69-00260A BAG AIR DP17L,PE,0.2,1800,1000,NATURAL,- BH69-00503A CUSHION-L/R(C) CF21GS,EPP M50 BH69-30002C BAG-PE LDPE,T0.05,W2400,NO_PRINT BH69-30360A BAG-AIR HDPE,T0.2,W1000*L1800,N,-,ALL BH92-00873A ASSY BOX CF21GS BH92-00874A ASSY LABEL CF21GS BH92-00875A...

  • Page 60: Block Diagram

    CONFIDENTIAL 8 Block Diagram CF21G*...
  • Page 61 CONFIDENTIAL 8 Block Diagrams Memo CF21G*...

  • Page 62: Wiring Diagram

    CONFIDENTIAL 9 Wiring Diagram H_SYNC_OUT H_SYNC_OUT NS COIL+ NS Purity +12V +12V COIL+ PS COIL- +80V +80V +6.3V 6.3V CN102 CN201 H_FLB H_FLB H_CG V_BLK 10 V_SYNC_OUT H_CG CLAMP 11 CLAMP CN103 V_CG SCL 12 Video PCB V_CG SDA 13 ACL 14 CN204 CONTROL PCB...
  • Page 63 CONFIDENTIAL 9 Wiring Diagram Memo CF21G*...

  • Page 64: Schematic Diagrams

    CONFIDENTIAL 10 Schematic Diagrams 10-1-1 Main Part Schematic Diagram CEPHEUS PROJECT POWER CIRCUIT WARING: BEFORE SERVICING THIS CHASSIS, SCHEMATIC DIAGRAM (1) CAUTION READ "X-RAY RADIATION PRECAUTION,SAFETY WARNING: "THIS EQUIPMENT CONTAINS SAFETY MODEL: 1. THE AREAS MARKED WITH A IN THE SCHEMATIC CRITICAL COMPONTS ALL PARTS SHOWN IN THE SHADED PRECAUTION, PRODUCT SAFETY NOTICE".
  • Page 65 CONFIDENTIAL 10 Schematic Diagrams 368 V (IC601, #1) 10-2 CF21G*...
  • Page 66 CONFIDENTIAL 10 Schematic Diagrams 10-1-2 Main Part Schematic Diagram +12V HIGH_VOLTAGE SCHEMATIC DIAGRAM(2) +30V +350V +80V SCREEN FOCUS(RED) FOCUS(WHT) L502 -210V MODEL: CF21GS 4.7uH D598 SCREEN RGP02-12(T) C503 +6.3V L501 470uF -210V 33uH EY503 EY508 EY509 T501 HITACHI EYE1.5 EYE1.5 EYE1.5 ZD520 105C...
  • Page 67 CONFIDENTIAL 10 Schematic Diagrams IC402, #6 Q454, drain Q401, Gate Q401, Drain Q402, Base 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 (T502, #1) CH1 P-P = 580 V CH1 RMS = 278.2 V 10-4...
  • Page 68 CONFIDENTIAL 10 Schematic Diagrams 10-1-3 Main Part Schematic Diagram CN201 slcon15p SCHEMATIC DIAGRAM (3) +12V MODEL: CF21GS BD280 +80V +5V_1 +6.3V C280 R284 R282 IC280 H_FLB +5V_1 100nF KS24C080 1/6W 1.5K 1/2W V_SYNC_OUT C212 W_PROTECT 100pF C202 C201 CLAMP 100UF 100nF R280 1/6W...
  • Page 69 CONFIDENTIAL 10 Schematic Diagrams IC250, #24 IC250, #23 2.20 V (IC250, #11, 32) 3.42 V (IC201, #8) 3.16 V (IC201, #9) 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 10-6 CF21G*...
  • Page 70 CONFIDENTIAL 10 Schematic Diagrams 10-2 Video Part Schematic Diagram SCHEMATIC DIAGRAM VIDEO(H/L II) MODEL: CF21GS VIDEO CG control Q105 TO USE FAN7071: R415->DELETE KTA1281-Y CN104 R416->JUMPER slcon2p BD111 L106 4.7uH R121 C140 IC103 C128 C134 100UF 10nF S5D2509X09-S0 R145 C135 100nF 1/10W CN105...
  • Page 71 CONFIDENTIAL 10 Schematic Diagrams CRT Socket, Red, Green, Blue IC103, #6, 17 IC103, #5, 24 R, G, B, Video IC101, #14, 15 IC101, #18 10-8 CF21G*...
  • Page 72 Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Paldal-Gu, Suwon City, Kyungki-Do, Korea. Printed in Korea P/N : BH82-00003A-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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