Samsung SyncMaster CSH7839L Service Manual
  1. Manuals
  2. Brands
  3. Samsung Manuals
  4. Monitor
  5. SyncMaster CSH7839L
  6. Service manual
Samsung SyncMaster CSH7839L Service Manual

Samsung SyncMaster CSH7839L Service Manual

Hide thumbs Also See for SyncMaster CSH7839L:
Table of Contents

Advertisement

Quick Links

SERVICE

COLOR MONITOR

COLOR MONITOR
CSH7839L
(SyncMaster 700p
CSH9839L
(SyncMaster 900p)
Manual
)
CONTENTS

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SyncMaster CSH7839L and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Samsung SyncMaster CSH7839L

Summary of Contents for Samsung SyncMaster CSH7839L

  • Page 1: Table Of Contents

    COLOR MONITOR CSH7839L (SyncMaster 700p CSH9839L (SyncMaster 900p) SERVICE Manual COLOR MONITOR CONTENTS 1. Precautions 2. Reference Information 3. Product Specifications 4. Operating Instructions 5. Disassembly & Reassembly 6. Alignment & Adjustments 7. Troubleshooting 8. Exploded View & Parts List 9.
  • Page 2 Samsung Electronics Co., Ltd. April 1998. Printed in Korea Code No.: BH68-61072A...

  • Page 3: Precautions

    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 4: Servicing Precautions

    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 5: Reference Information

    2 Reference Information 2-1 List of Abbreviations, Symbols and Acronyms 2-1-1 Abbreviations Abbreviation Definition Abbreviation Definition ASS’Y Assembly Oscillator Blue C-Polyester B+ ADJ B+ Adjustment PARA Parabola B-CUT Blue-Cutoff PARALL Parallelogram B-GAIN Blue Gain PIN-BAL Pincushion Balance BRIGHT Brightness PRE-AMP Pre-Amplifier R-Composition Power Saving1 (suspend)
  • Page 6 2 Reference Information 2-1-2 Symbols Can emit X-radiation Hot Ground Cold Ground Electrostatically Sensitive Device (ESD) Provides special safety considerations 2-1-2 Acronyms Acronym Definition Acronym Definition Automatic Brightness Limits Horizontal/Vertical Alternating Current High Voltage Automatic Contrast Limit Input/Output Automatic Frequency Control Integrated Circuit ANSI American National Standards Institute...

  • Page 7: Product Specifications

    3 Product Specifications 3-1 Specifications Item Description Picture Tube: 19-Inch (48.2 cm): 18-inch (45.7 cm) viewable, 17-Inch (43 cm): 16.0-inch (40.6 cm) viewable, 0.26 mm Dot pitch, Full-square flat-face tube, 90˚ Deflection, Anti-Reflection coating with Anti-electrastatic, Medium short persistence phosphor Scanning Frequency Horizontal : 30 kHz to 96 kHz (Automatic) Vertical...

  • Page 8: Pin Assignments

    3 Product Specifications 3-2 Pin Assignments Sync 15-Pin Signal Cable Connector (Figure 3-1) Cable Adapter (Figure 3-2) Type Macintosh Separate Composite Pin No. GND-R Green Green H/V Sync Blue Blue Sense 0 DDC Return DDC Return Green GND-G GND-R GND-R GND-G GND-G Sense 1...

  • Page 9: Timing Chart

    3 Product Specifications 3-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. Table 3-1. Timing Chart (CSH7839L) Mode VESA MAC. VGA2/70 Hz VGA3/60 Hz 640/85 Hz 800/85 Hz 1024/75 Hz 1024/85 Hz...
  • Page 10 3 Product Specifications Table 3-2. Timing Chart (CSH9839L) Mode VESA MAC. VGA2/70Hz VGA3/60Hz 640/85 Hz 800/85 Hz 1024/85 Hz 1024/100 Hz 1280/75 Hz 1280/85 Hz 1600/75 Hz 1152/75 Hz 720 x 400 640 x 480 640 x 480 800 x 600 1024 x 768 1024 x 768 1280 x 1024...
  • Page 11 4 Opearating Instructions 4-1 Front View and Control Table 4-1. Front Panel Controls Location Symbol Description Power Button Power Indicator LED (Dual Color) Size Button/Position Button Parallel Button/Trapezoid Button Adjustment Button Menu Button MENU Brightness Control Contrast Control MENU Figure 4-1. Front View and Controls CSH7839L/CSH9839L...

  • Page 12: Operating Instructions

    This system operates with a VESA DPMS program to enable the power saving compliant video card installed in your computer. function. Please contact Samsung or your You use a software utility installed on your dealer for more information. computer to set up this feature. See the table Note 3: For energy conservation, turn your below for details.

  • Page 13: Disassembly & Reassembly

    5 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the CSH7839L/CSH9839L monitors. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 5-1 Disassembly Cautions:1. Disconnect the monitor from the power source before disassembly. 2.
  • Page 14 5 Disassembly and Reassembly 5-1-5 Removing the Bottom Shield 1. Remove the 1 screw on the Bottom Shield Cover. 2. Lift off the Bottom Shield. Figure 5-6 5-1-8 Removing the Video PCB Assembly Rear Shield and Video PCB Figure 5-4 1.
  • Page 15 5 Disassembly and Reassembly 5-1-11 Removing the Bracket 1. Remove the 10 screws on the Front Cabinet. Figure 5-8 5-1-10 Removing the Main PCB Figure 5-10 1. Remove 7 screws on the main PCB. 2. Pull the Main PCB towards you and carefully 5-1-12 Removing the Degaussing Coil lift out the main PCB and placet it on a flat, 1.
  • Page 16 5 Disassembly and Reassembly 5-2 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures. CSH7839L/CSH9839L...

  • Page 17: Alignment & Adjustments

    6 Alignment and Adjustments This section of the service manual explains how to make permanent adjustments to the monitor. Direction is given for adjustment using the monitor Interface Board Ver. 2.0 and software (SoftJig). 6-1 Adjustment Conditions Caution: Changes made without the SoftJig are saved only to the user mode settings. As such, the settings are not permanently stored and may be inadvertently deleted by the user.
  • Page 18 5. Signal generator, or Computer with a video board that uses the ET-4000 chipset (strongly recommended if using Samsung DM 200 software) and that displays: 1280 x 1024 @ 85 Hz, or 1600 x 1200 Figure 6-1. Setup 1, With Signal Generator @ 85 Hz (maximum).

  • Page 19: Display Control Adjustments

    6 Alignment and Adjustments 6-2 Display Control Adjustments 6-2-1 Centering 6-2-1 (d) VERTICAL POSITION ADJUSTMENT Centering means to position the center point of CONDITIONS the display in the middle of the display area. Scanning frequency: 68 kHz/85 Hz Horizontal size and position and vertical size and Display image: Crosshatch pattern position control the centering of the display.
  • Page 20 6 Alignment and Adjustments To adjust the Horizontal Linearity, refer to Tables Click on the << or >> box next to PARALL to 6-1 and 6-2 for the tolerance range. make the image are rectangular. Click on the << or >> box next to H_LIN to optimize the image.

  • Page 21: Color Adjustments

    6 Alignment and Adjustments 6-3 Color Adjustments 6-3-1 Color Coordinates (Temperature) 6-3-2 (b) G-GAIN ADJUSTMENT Color temperature is a measurement of the 1/3H-1/2H radiant energy transmitted by a color. For FRONT BEZEL OPENING computer monitors, the color temperature refers to the radiant energy transmitted by white. Color BACK RASTER 1/3V-1/2V coordinates are the X and Y coordinates on the...
  • Page 22 6 Alignment and Adjustments 6-4-2 (d) WHITE BALANCE ADJUSTMENT VERIFICATION 6-4-3 (c) WHITE BALANCE ADJUSTMENT CONDITIONS CONDITIONS Scanning frequency: 68 kHz/85 Hz Scanning frequency: 68 kHz/85 Hz Display image: Back raster pattern Display image: Full white pattern X-Y Coordinates: x = 0.283 ± 0.02, Brightness: Cut-off y = 0.298 ±...
  • Page 23 6 Alignment and Adjustments 6-3-4 (d) WHITE BALANCE ADJUSTMENT VERIFICATION CONDITIONS Orientation: Monitor facing east Refer to the procedure for 9300K, section 6-4-2 (d). Scanning frequency: 68 kHz/85 Hz Display image: White flat field 6-3-5 Luminance Uniformity Check Luminance: Cut off point at the center of the display area Luminance is considered uniform only if the ratio of lowest to highest brightness areas on the screen...
  • Page 24 CONDITIONS Direction: Monitor facing east Warm-up: 30 minutes Display image: Crosshatch pattern Samsung SDD and Hitachi CRT Tolerances: See Table 6-5 1 Setup Bolt 2 Bow Magnet 3 Band 4 2-Pole Magnet PROCEDURE...
  • Page 25 6 Alignment and Adjustments 5. After completing the red and blue center 1. Make sure the display is not affected by convergence adjustment, locate the pair of external magnetic fields. 6-pole magnet rings. 2. Make sure the static convergence is properly 6.
  • Page 26 6 Alignment and Adjustments 6-4-3 Bow Convergence Adjustments 6-4-4 (a) HORIZONTAL LINE RED AND BLUE BALANCE CONVERGENCE CONDITIONS Orientation: Monitor facing east. BLUE Display Image: Crosshatch pattern with mixed RGB colors. Required tools: Flat-head (–) screwdriver, 1.5 mm Philips (+) screwdriver, 1.5 mm Hexkey, 2.5 mm Figure 6-17.

  • Page 27: Troubleshooting

    7 Troubleshooting 7-1 Parts Level Troubleshooting Notes: 1. If a picture does not appear, fully rotate the brightness and contrast controls clockwise and reinspect. 2. Check the following circuits. • No raster appears: Power circuit, Horizontal output circuit, H/V control circuit, and H/V output circuit. •...

  • Page 28: Dpms Failure

    7 Troubleshooting 7-1-2 DPMS Failure WAVEFORMS Check signal source H/V sync video level. 56.4 V (T601, #7) Make No H/V sync (power off mode) CH1 P-P = 56.4 V CH1 RMS = 9.18 V LED blinks Check IC201 Pin 31. Check IC201 Pin 1.
  • Page 29 7 Troubleshooting 7-1-3 H_Deflection Failure 1. Check R401, +12 V line. WAVEFORMS IC401 Pin 6 waveform is right? 2. Check IC401 Pins 7~6, 6~5. 3.42 V (IC201, #33) 3. Replace IC401. Q405 source waveform Check Q405, R422, R423, R416 is right? and D415, +220 V line.
  • Page 30 7 Troubleshooting 7-1-4 S Correction Failure Check S1 ~ S5 signal. S1~S5 signals are right at each Check and replace IC201. frequency block? Check and replace Q409~Q413, C430, C431, C433, C434, C435, C437 and C441. 7-1-5 H_Lin. Failure IC201 Pin 4 voltage varies with Replace IC201.
  • Page 31 7 Troubleshooting 7-1-7 Abnormal H_Size WAVEFORMS IC201 Pin 5 output duty varies Check and replace IC201. with different B+ offset DAC Check some parts IC201 Pin 5, 54 V (Q406, Drain) values? IC251 Pin 28 and IC401 Pin 2. T402 Pin 8 waveform is right? Check and replace T402.
  • Page 32 7 Troubleshooting 7-1-10 Tilt Failure Check tilt connector connection IC03 Pin 9 output duty varies Check and replace IC03. with different DAC values? IC403 (on Video board) Pin 3 output varies with different Check and replace IC402. DAC values? Check and replace CRT. 7-1-11 V Deflection Failure WAVEFORMS ±14 V line is on?

  • Page 33: High Voltage Failure

    7 Troubleshooting 7-1-12 V Size or Pos. Variation Failure IC251 Pin 23 output varies with Check some parts around IC301. different DAC values? Check bias voltage. Check and replace IC251 and IC301. 7-1-13 High Voltage Failure WAVEFORMS +220 V is on Q502 collector? Check and replace R506 and Q502.
  • Page 34 7 Troubleshooting 7-1-14 ABL Failure Input full white pattern to monitor. IC01 Pin 15 input exists and Check and replace IC01. varies with different patterns? Check CN104. T502 Pin 8 output exists? Check and replace T502. IC201 Pin 3 output exists and Check and replace IC201.
  • Page 35 7 Troubleshooting 7-1-15 Dynamic Focus Failure CN202 Pin 14 output is right? Check IC302 Pin 1. Some parts around Q554 are right? Replace failed part. IC251 Pin 25 output is right? Check and replace IC251. Some parts around Q551, Replace failed part. Q552 and Q553 are right? Some parts around T551 are right? Replace failed part.

  • Page 36: No Video

    7 Troubleshooting 7-1-16 No Video WAVEFORMS Check signal cable and connection. 12.40 V (IC501, #9, 10) IC01 Pins 2, 6 and 11 inputs Check some parts around QR01, are right? QR02, QG01, QG02, QB01 and QB02. CH1 P-P = 12.40 V CH1 RMS = 5.840 V 42.8 V (T551, #7) IC01 Pins 29, 32 and 35...

  • Page 37: Micom Failure

    7 Troubleshooting 7-1-17 Micom Failure IC201 Pin 25 input is right? Check IC606. IC201 Pins 32 and 33 inputs Check X201, C213 and C214. are right? IC201 Pin 40 input is right? Check IC202. All in/output values are right? Replace IC201. Done CSH7839L/CSH9839L 7-11...
  • Page 38 7 Troubleshooting 7-1-18 OSD Failure Check CN102 and connector Ass’y. IC03 Pin 18 input is right? Check and replace Q303 and D304. Check and replace Q101. IC03 Pin 5 input is right? Check CN104 Pin 3. IC03 Pins 7 and 8 inputs are right? Check IC201 Pins 34 and 35.
  • Page 39 7 Troubleshooting 7-1-19 User Control Failure Check CN203 and connector Ass’y. IC201 Pin 13 input varies with Check and replace control board. contrast VR rotation. IC201 Pin 14 input varies with Check and replace control board. brightness VR rotation. IC201 Pins 11 and 12 inputs are Check and replace control board.
  • Page 40 7 Troubleshooting 7-1-20 Degaussing Failure Check degaussing connector. RL601 operation is right? Check D-Coil Pos 601. Q601 base input is right? Check and replace Q601. Check and replace IC201. IC201 Pin 7 output is right? Check user control board. R206 and R603 are right? Replace R206 and R603.

  • Page 41: General Troubleshooting

    7 Troubleshooting 7-2 General Troubleshooting 7-2-1 No Picture LED blinks? 7-2-2 Shut down LED is green color? LED is Amber color? Check signal cable. Check G2 voltage, high voltage, After restart monitor LED don’t R, G, B cathode voltage. come on, repair power circuit. 7-2-2 Shut Down Blinking LED’s? Check power supply.

  • Page 42: Missing Color

    7 Troubleshooting 7-2-3 Missing Color Are proper Video levels on CN101 (D-Sub) Pins 1, 2 and 3, Check signal generator and cathode. R-BNC, G-BNC and B-BNC. Are proper AC voltage on all Refer to 7-1-16 No Video. cathodes? Check IC06 Pins 10, 11 and 12, Are proper DC voltage on all IC01 Pins 24, 25 and 26.
  • Page 43 7 Troubleshooting 7-2-4 Visible Retrace Check white balance adjustment. Is G2 voltage right? Check G2 control volume and FBT. Is blank pulse on Pin 27 of IC01 Check Q102, CN104 and T402 Pin 8. on Video board? Is blank pedestal on Check IC01 and related components.

  • Page 44: Unsynchronized Image

    7 Troubleshooting 7-2-5 Unsynchronized Image Check input signals Pins 2, 13 and 14 of CN101 and G-BNC. Are signals right? Check Video cable. Signals at Pins 7, 8 and 9 of Check IC05 on Video board. CN102 are right? Signals at CN201 Pin 6, CN204 Check wire dressing and connections.
  • Page 45 7 Troubleshooting 7-2-6 Misconvergence Try readjusting convergence. Is the convergence now Done within spec? Readjust convergence. Is the convergence now Done within spec? Change CRT and readjust convergence. Done CSH7839L/CSH9839L 7-19...
  • Page 46 7 Troubleshooting 7-2-7 Poor Focus Adjust focus VR. Aging monitor and check for focus Improved focus? change. Check focus leads from FBT to CRT Socket. Check the CRT Socket. Refer to 7-1-15 Dynamic Is dynamic focus circuit right? Focus Failure. Replace the CRT and verify focus.
  • Page 47 8 Exploded View and Parts List 8-1 Front Cover & CRT Ass’y (CSH7839L) CSH7839L/CSH9839L...

  • Page 48: Exploded View & Parts List

    8 Exploded View & Parts List 8-2 Chassis & Stand Ass’y (CSH7839L) CSH7839L/CSH9839L...
  • Page 49 8 Exploded View & Parts List 8-3 Rear Cover Ass’y (CSH7839L) CSH7839L/CSH9839L...
  • Page 50 8 Exploded View & Parts List 8-4 Front Cover & CRT Ass’y (CSH9839L) CSH7839L/CSH9839L...
  • Page 51 8 Exploded View & Parts List 8-5 Chassis & Stand Ass’y (CSH9839L) CSH7839L/CSH9839L...
  • Page 52 8 Exploded View & Parts List 8-6 Rear Cover Ass’y (CSH9839L) CSH7839L/CSH9839L...

  • Page 53: Electrical Parts List

    9 Electrical Parts List 9-1 Main PCB Parts Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks BD201 128.2 205.5 3301-000011 MAG-CORE,FERRITE,BEAD 1.2UH,3.5_5.7MM,10OHM BD202 19.6 263.9 3301-000011 MAG-CORE,FERRITE,BEAD 1.2UH,3.5_5.7MM,10OHM BD203 24.7 268.6 3301-000011 MAG-CORE,FERRITE,BEAD 1.2UH,3.5_5.7MM,10OHM BD204 71.4 301.7 3301-000011 MAG-CORE,FERRITE,BEAD 1.2UH,3.5_5.7MM,10OHM BD205...
  • Page 54 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks C257 12.5 2202-002009 C-CERAMIC,MLC-AXIAL 100nF,+80-20%,50V,Y5V,2.3X3.0 C258 26.8 2301-000168 C-FILM,PEF 150nF,5%,100V,11.5x19mm,7.5mm C259 28.1 2305-000001 C-FILM,MPEF 470nF,10%,63V,6.0X15.5X7.5,5mm C260 34.3 310.9 2202-000003 C-CERAMIC,MLC-RADIAL 680pF,0.02,100V,NPO,5.1x5.1x3. C261 50.2 310.8 2305-000280 C-FILM,MPEF 220nF,10%,63V,7.5x13.5mm,5mm,T C262 45.1...
  • Page 55 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks 2306-000131 C-FILM,MPPF 150nF,5%,250V,19x15x7mm,7.5mm 17” C433 239.3 275.7 2306-000234 C-FILM,MPPF 560nF,5%,250V,26.5x15mm,22.5mm C434 285.2 2306-000147 C-FILM,MPPF 1uF,5%,250V,26.5x19mm,22.5mm,B C435 230.5 295.5 2306-000119 C-FILM,MPPF 100nF,5%,250V,19x14.5x6.5mm,7.5mm 19” 2306-000131 C-FILM,MPPF 150nF,5%,250V,19x15x7mm,7.5mm 17” C437 230.5 304.5...
  • Page 56 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks C608 20.6 92.2 2201-000019 CAP-CERAMIC,103Z,2H,DISC 10NF,500V,80-20%,Y5V,RADIAL C609 31.3 2201-000012 C-CERAMIC,DISC 220pF,10%,1KV,Y5P,6.3x5,5,TP C610 35.4 190.9 2301-000011 (T)100V102J CAP-MYLAR,102J,2A,5P C611 161.6 2401-003222 C-FILM,PEF 2.2nF,5%,100V,10.5x12.5x6.5,5m C613 49.4 103.4 2401-000374 C-AL 100uF,20%,63V,WT,10x12.5mm,5mm C614...
  • Page 57 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks CN501 240.1 44.1 BH71-40300A PIN-HINGE BRASS,D2.36,SN,HEAT/SINK CN601 80.9 38.7 3711-000217 STRAIGHT,1WALL CON-WALLHEADER,3P,3.96 CN602 65.4 44.5 BH71-40300A PIN-HINGE BRASS,D2.36,SN,HEAT/SINK CN603 65.4 35.5 BH71-40300A PIN-HINGE BRASS,D2.36,SN,HEAT/SINK CN604 91.7 BH71-40300A PIN-HINGE BRASS,D2.36,SN,HEAT/SINK...
  • Page 58 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks D559 0402-000274 DIODE-RECTIFIER UF4004,1A,DO-41 D601 53.7 69.9 0402-000549 DIODE-BRIDGE RBV606,600V,6A,BK 19” 0402-000104 DIODE-BRIDGE D3SBA60,600V,4A 17” D603 27.1 0401-000005 75V,150MA,1V,10MA DIODE-SIG,1N4148,DO-35 D605 23.1 186.9 0401-000005 75V,150MA,1V,10MA DIODE-SIG,1N4148,DO-35 D606 31.1 191.7...
  • Page 59 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks IC205 165.2 261.6 2011-000161 R-NETWORK 10Kohm,10%,1/8W,A,SIP,10P,TP IC251 41.8 281.6 1204-001323 IC-DEF.PROCESSOR TDA9110,DIP,32P,300MIL,PLASTIC IC401 1203-001099 IC-PWMCONTROLLER 3843,DIP,8P,250MIL,PLASTIC,30V IC402 188.8 1201-000109 IC-AUDIOAMP 2006,HENTWAT,5P,SINGLE,PLA IC501 225.3 1203-000182 IC-POSI.ADJUSTREG. 494,DIP,16P,300MIL,PLASTIC IC502 167.2 130.5...
  • Page 60 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks Q414 185.5 312.5 0501-000586 0.25W,60V,50V,5V,0.15A TR-NPN,KSC945,TO-92,EBC Q501 119.3 50.2 0505-001136 FET-SILICON IRF610A,N,200V,3.3A,1.5ohm,38W Q502 41.5 0502-001001 TR-POWER KSC5088,NPN,1500V,1500V,8A,50W Q503 147.9 42.7 0505-001130 FET-SILICON IRF740A,N,400V,10uA,550mohm,13 Q504 161.9 30.9 0501-000303 0.25W,-60V,-50V,-5V,-0.15A TR-PNP,KSA733,TO-92,EBC...
  • Page 61 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks R227 264.4 2001-000367 R-CARBON 15Kohm,5%,1/6W,AA,TP,1.8x3.2mm R228 96.9 302.7 2001-000029 REF-CF,100,5%,1/6W 150V,-1300TO+350PPM/C,R-AXIAL R229 13.7 302.5 2001-001178 REF-CF,680,5%,1/2W(S) 300V,-200TO+200PPM/C,R-AXIAL R230 302.5 2001-001192 REF-CF,820,5%,1/2W(S) 300V,-350TO+350PPM/C,R-AXIAL R231 2001-000056 REF-CF,4.7K,5%,1/6W 150V,-1300TO+350PPM/C,R-AXIAL R233 82.9 2001-000367...
  • Page 62 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks R414 231.9 138.8 2003-000659 R-METALOXIDE(S) 33ohm,5%,1W,AA,TP,3.3x9mm R416 158.8 219.3 2001-000069 R-CARBON 12Kohm,5%,1/6W,AA,TP,1.8x3.2mm R417 161.3 212.5 2001-000494 R-CARBON 20Kohm,2%,1/6W,AA,TP,1.8x3.2mm R418 156.4 212.3 2001-000056 REF-CF,4.7K,5%,1/6W 150V,-1300TO+350PPM/C,R-AXIAL R419 209.4 215.5 2001-001187 REF-CF,75,5%,1/2W(S)
  • Page 63 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks R506 151.5 112.1 2008-000150 REF-FUSIBLE,3.3,5%,1/2W -350TO+350PPM/C,R-AXIAL R507 148.4 2001-001096 REF-CF,2.2,5%,1/2W(S) 300V,-200TO+200PPM/C,R-AXIAL R508 169.9 2001-000104 REF-CF,1.2K,5%,1/6W 150V,-1300TO+350PPM/C,R-AXIAL R509 112.1 2001-000106 R-CARBON 1.5Kohm,5%,1/6W,AA,TP,1.8x3.2m R510 215.9 40.5 2001-000056 REF-CF,4.7K,5%,1/6W 150V,-1300TO+350PPM/C,R-AXIAL R511 203.5...
  • Page 64 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks R651 103.9 199.8 2003-000448 R-METALOXIDE(S) 100Kohm,5%,2W,AA,TP,4x12mm R652 74.9 178.2 2001-001131 R-CARBON(S) 33KOHM,5%,1/2W,AA,TP,2.4X6.4mm R654 80.5 191.8 2003-000516 REF-MO,15,5%,3W(S) 350V,-350TO+350PPM/C,R-AXIAL R655 76.8 193.8 2001-001108 R-CARBON(S) 22Kohm,5%,1/2W,AA,TP,2.4x6.4mm R656 72.7 219.2 2001-000043 REF-CF,1K,5%,1/6W...
  • Page 65 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks X201 134.9 286.5 2801-003413 CRYSTAL-UNIT 24MHz,30ppm,28-ABQ,18pF,20ohm ZD201 55.7 319.9 0403-000007 DIODE-ZENER UZ6.2BM,6.2V,6.0-6.4V,500mW,DO ZD202 58.7 317.5 0403-000007 DIODE-ZENER UZ6.2BM,6.2V,6.0-6.4V,500mW,DO ZD203 0403-000007 DIODE-ZENER UZ6.2BM,6.2V,6.0-6.4V,500mW,DO ZD204 54.7 322.3 0403-000007 DIODE-ZENER UZ6.2BM,6.2V,6.0-6.4V,500mW,DO ZD401...
  • Page 66 9 Electrical Parts List 9-2 Video PCB Parts Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks 311.3 3705-000103 CON-JACK BNC BD01 260.4 3301-000011 MAG-CORE,FERRITE,BEAD 1.2UH,3.5_5.7MM,10 OHM BD02 202.4 71.1 3301-000011 MAG-CORE,FERRITE,BEAD 1.2UH,3.5_5.7MM,10 OHM BD03 86.7 3301-000011 MAG-CORE,FERRITE,BEAD 1.2UH,3.5_5.7MM,10 OHM BD05 105.1 3301-000011...
  • Page 67 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks C147 237.6 33.7 2401-000443 CAP-AL,ELEC,106M,1E,5X5 (T)10UF,25V,20%,R-RADIAL C148 294.3 70.2 2401-000597 C-AL 1uF,20%,50V,GP,4x7mm,1.5mm,TP C149 208.2 57.6 2202-002009 C-CERAMIC,MLC-AXIAL 100nF,+80-20%,50V,Y5V,2.3X3.0 C150 204.8 56.6 2201-000017 C-CERAMIC,DISC 1nF,10%,50V,Y5P,4x3.5,5,TP C153 223.7 82.4 2201-000021 C-CERAMIC,DISC...
  • Page 68 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks C319 123.3 66.2 2301-000015 C-FILM,PEF 10nF,5%,100V,7x3.2x7mm,5mm,TP C320 125.5 76.2 2401-001178 C-AL 33uF,20%,25V,GP,6.3x11mm,5mm,T C477 101.1 108.2 2401-001016 C-AL 3.3uF,20%,50V,BP,6x11mm,5mm,TP CB01 297.3 39.1 2401-000443 (T)10UF,25V,20%,R-RADIAL CAP-AL,ELEC,106M,1E,5X5 CB02 299.3 60.2 2202-002009 C-CERAMIC,MLC-AXIAL...
  • Page 69 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks D303 66.2 0401-000005 75V,150MA,1V,10MA DIODE-SIG,1N4148,DO-35 D304 173.3 77.5 0401-000005 75V,150MA,1V,10MA DIODE-SIG,1N4148,DO-35 D470 119.1 60.3 0402-000007 DIODE-RECTIFIER 1N4937GP,600V,1A,DO-41 DB01 289.3 24.4 0401-000005 75V,150MA,1V,10MA DIODE-SIG,1N4148,DO-35 DB02 297.3 21.7 0401-000005 75V,150MA,1V,10MA DIODE-SIG,1N4148,DO-35...
  • Page 70 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks IC403 98.7 87.8 1201-001034 PR:IC-AMPLIFIER L272M,DIP,8P,28V,1A,1W,STICK L101 242.9 111.7 2701-000125 INDUCTOR-AXIAL,150UH FIX,150UH,10%,50,2.6X7MM L103 184.2 54.3 2701-000115 C-AL 3.3uF,20%,50V,BP,6x11mm,5mm,TP Q101 238.3 101.8 0501-000122 TR-SMALL SIGNAL KSP2222A,NPN,625mW,TO-92,TP,10 Q104 196.8 0501-000586 0.25W,60V,50V,5V,0.15A...
  • Page 71 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks R132 275.4 93.7 2001-000072 R-CARBON 22Kohm,5%,1/6W,AA,TP,1.8x3.2mm R133 266.4 110.7 2001-000029 REF-CF,100,5%,1/6W 150V,-1300 TO +350PPM/C,R-AXIAL R134 266.2 113.4 2001-000029 REF-CF,100,5%,1/6W 150V,-1300 TO +350PPM/C,R-AXIAL R135 239.3 74.7 2001-000301 REF-CF,10,5%,1/6W 150V,-1300 TO +350PPM/C,R-AXIAL R136...
  • Page 72 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks R320 148.9 53.7 2001-000067 REF-CF,10K,5%,1/6W 150V,-1300 TO +350PPM/C,R-AXIAL R321 172.5 66.4 2001-000053 REF-CF,3.3K,5%,1/6W 150V,-1300 TO +350PPM/C,R-AXIAL R331 108.8 104.9 2003-000701 REF-MO,470,5%,2W(S) 500V,-200 TO +200PPM/C,R-AXIAL R332 145.2 67.6 2001-000029 REF-CF,100,5%,1/6W...
  • Page 73 9 Electrical Parts List Loc. No. Coordinates (X,Y) New Code No. Description Specification Remarks RG11 301.2 2001-000040 R-CARBON 470ohm,5%,1/6W,AA,TP,1.8x3.2mm RG12 299.5 141.7 2001-000020 R-CARBON(S) 22ohm,5%,1/2W,AA,TP,2.4x6.4mm RG13 304.2 108.9 2001-000026 REF-CF,75,5%,1/6W 150V,-1300 TO +350PPM/C,R-AXIAL RG14 306.4 143.9 2001-000043 REF-CF,1K,5%,1/6W 150V,-1300 TO +350PPM,R-AXIAL RG15 286.3 190.1...
  • Page 74 9 Electrical Parts List 9-3 CRT Socket PCB Parts Loc. No. Code No. Description Specification Remarks C191 2201-000019 C-CERAMIC, DISC 10NF,+80-20%,500V,Y5V,10X C192 2201-000019 C-CERAMIC, DISC 10NF,+80-20%,500V,Y5V,10X C193 2201-000288 C-CERAMIC, DISC 1NF,10%,2KV,Y5P,TP,10X5MM BH70-10344C SHIELD-CDT CFB1577,TO.206,DEGRE CN181 BH39-40363V CBF-HARNESS 11P,130MM,BLK,WHT/RED/GRN EY101 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY103...
  • Page 75 CSH9839T1D,SEN-BWT HITACHI BH98-10012E ASS’Y,PCB-MAIN CSH7839T1D,SEN-BWT TOSHIBA BH98-20003V ASS’Y,PCB-VIDEO CSH9839T1A,SEA,USA,FR-2 BH98-20004T ASS’Y,PCB-VIDEO CSH7839T1D,ELSAT,AUSTRIA BH98-20004X ASS’Y,PCB-VIDEO CHS9839T1D,SEN-BWT HITACHI BH98-60001M ASS’Y,PCB-SOCKET CSH9839T1A,SEA,USA,FR-1 BH98-60001L ASS’Y,PCB-SOCKET CSH7839T1A,SEA,USA,FR-2 P/CORD BH94-40001B ASS’Y,P/CORD GERMANY,250V/6A,1830,IVORY,DET BH94-40001E ASS’Y,P/CORD HK,125V 7/10A,1830,IVORY,DET BH94-40001Y ASS’Y,P/CORD UK,250V/10A,1230,IVY,DET,H05VV SIGNAL CABLE BH94-50001E ASS’Y,S/CABLE SAMSUNG,1830,15P/15P CSH7839L/CSH9839L 9-23...
  • Page 76 9 Electrical Parts List Memo 9-24 CSH7839L/CSH9839L...

  • Page 77: Block Diagram

    10 Block Diagram CSH7839L/CSH9839L 10-1...
  • Page 78 10 Block Diagrams Memo 10-2 CSH7839L/CSH9839L...

  • Page 79: Pcb Diagrams

    11 PCB Diagrams 11-1 Semiconductor Lead Identification PARTS TYPE NO. REF. NO. PARTS TYPE NO. REF. NO. PARTS TYPE NO. REF. NO. PARTS TYPE NO. REF. NO. KA7805 IC606 IC201 LTV-817M-SH IC602, IC603 KSD401-Y Q602 RBV606 D601 ~ – TIP29 Q551 TIP30 Q552...
  • Page 80 11 PCB Diagrams Memo 11-2 CSH7839L/CSH9839L...

  • Page 81: Wiring Diagram

    12 Schematic Diagrams 12 Wiring Diagram MAIN PCB VIDEO PCB CN701 CN203 CN201 CN102 KEY2 KEY2 KEY1 KEY1 V_OUT V_OUT P/KEY P/KEY V_SYNC_OUT V_SYNC_OUT CLAMP P/KEY CLAMP P/KEY CN702 BRIGHT V_SYNC V_SYNC BRIGHT CONTRAST CONT CN204 H_SYNC LED 5 H_SYNC +5 V S_RASTER S_RASTER...

  • Page 82: Schematic Diagrams

    13 Schematic Diagrams 13-1 Power Part Schematic Diagram 13-1 CSH7839L/CSH9839L...
  • Page 83 13 Schematic Diagrams 544 V (IC601, #1) 56.4 V (T601, #7) CH1 P-P = 544 V CH1 RMS = 332.4 V CH1 P-P = 56.4 V CH1 RMS = 9.18 V CSH7839L/CSH9839L 13-2...
  • Page 84 13 Schematic Diagrams 13-2 Micom & H/V Process Part Schematic Diagram 13-3 CSH7839L/CSH9839L...
  • Page 85 13 Schematic Diagrams Table 13-1. IC201 (ST72E75_3) 3.42 V (IC201, #33) 3.16 V (IC201, #32) 12.08 V (Q253, Base) 2.20 V (IC251, #15) MODES MODES 31 kHz 69 kHz 96 kHz 31 kHz 69 kHz 96 kHz 0.239 0.238 0.241 3.65 3.39 3.36...
  • Page 86 13 Schematic Diagrams 13-3 Main Part Schematic Diagram 13-5 CSH7839L/CSH9839L...
  • Page 87 13 Schematic Diagrams Table 13-3. IC401 (KA3843B) Table 13-5. IC501 (TL494CN) 10.96 V (IC401, #6) 230 V (Q405, S 29.8 V (T402, #8) 54 V (Q406, Drain) MODES MODES 31 kHz 69 kHz 96 kHz 31 kHz 69 kHz 96 kHz 3.027 2.621 2.57...
  • Page 88 13 Schematic Diagrams 13-4 Video Part Schematic Diagram 13-7 CSH7839L/CSH9839L...
  • Page 89 13 Schematic Diagrams Table 13-6. IC301 (TDA8172) Table 13-7. IC403 (L272M) 0.96 V (IC01, #2) 2.92 V (IC01, #35) 5.32 V (IC01, #21) 4.96 V (IC01, #20) MODES MODES 31 kHz 69 kHz 96 kHz 31 kHz 69 kHz 96 kHz 1.088 1.087 1.089...
  • Page 90 13 Schematic Diagrams 13-5 CRT Socket & Control Part Schematic Diagram 13-9 CSH7839L/CSH9839L...

This manual is also suitable for:

Syncmaster csh9839lCsh7839lCsh9839lSyncmaster 700p plusSyncmaster 900p

Table of Contents