Samsung DP15HS Service Manual
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Samsung DP15HS Service Manual

Samsung DP15HS Service Manual

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SERVICE

COLOR MONITOR

EXIT
EXIT
COLOR MONITOR
DP15HS/HT
DP17LS/LT
MENU
Manual
CONTENTS
3. Disassembly & Reassembly
6. Exploded View & Parts List

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Summary of Contents for Samsung DP15HS

  • Page 1: Table Of Contents

    COLOR MONITOR DP15HS/HT DP17LS/LT 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 EXIT EXIT MENU 9.
  • Page 2 Samsung Electronics Co., Ltd. May 1999 Printed in Korea Code No.: BH68-00129A...
  • Page 3 Copyright Trademarks © 1999 by Samsung Electronics Co., Ltd. Samsung is a registered trademark and DP15H*/DP17L* and MacMaster Cable Adapter All rights reserved. are trademarks of Samsung Electronics Co., Ltd. This manual may not, in whole or in part, be...

  • Page 4: 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 5: 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 6: Product Specifications

    2 Product Specifications 2-1 Specifications Item Description Picture Tube: 15-Inch (38 cm): 13.8-inch (35 cm) viewable, 17-Inch (43 cm): 16-inch (40.6 cm) viewable, Full-square flat-face tube, 90˚ Deflection, Semi- tint, Non-glare, Invar shadow mask, Anti-static silica coating, 0.28 mm Dot pitch Scanning Frequency Horizontal : 30 kHz to 70 kHz (Automatic) Vertical...

  • Page 7: Pin Assignments

    2 Product Specifications 2-2 Pin Assignments Sync Type Macintosh Separate Pin No. GND-R Green Blue H/V Sync Sense 0 DDC Return Green GND-R GND-G GND-G Sense 1 GND-B Reserved Blue GND-Sync/Self-raster Sense 2 DDC Data V-Sync H-Sync GND-B V-Sync DDC Clock H-Sync Figure 2-1.

  • Page 8: Timing Chart

    2 Product Specifications 2-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. Table 2-1. Timing Chart Mode VESA VGA2/70 Hz VGA3/60 Hz 640/75 Hz 640/85 Hz 800/75 Hz 800/85 Hz 1024/75 Hz...
  • Page 9 2 Product Specifications Memo DP15H*/DP17L*...

  • Page 10: Alignment & Adjustments

    4 Alignment and Adjustments This section of the service manual explains how to make permanent adjustments to the monitor. Directions are given for adjustments using the monitor Interface Board Ver. 2.0 and software (Softjig). 4-1 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 11 4 Alignment and Adjustments 4-1-3 Connecting the SoftJig Connect the monitor to the signal generator and/ MONITOR or PC as illustrated in Figures 4-1 and 4-2. INTERFACE Note: The signal cable connector which includes BOARD VER. 2.0 3-WIRE CABLE the 3-wire cable must connect to the monitor.

  • Page 12: Display Control Adjustments

    4 Alignment and Adjustments 4-2 Display Control Adjustments 4-2-1 HIGH VOLTAGE ADJUSTMENT Table 4-1 CRT type Screen Voltage Signal: 1024 x 768 (68 kHz/85 Hz) (17Ó) M41QAR361X11 * ( * ) 800 x 600 (54 kHz/85 Hz) (15Ó) ± M41QAQ261X11 * ( * ) 480V Display image: DonÕt care M41LFQ903X28(L), etc...
  • Page 13 4 Alignment and Adjustments Use control bar after selecting ÒH-SIZEÓ in left Table 4-2. Standard Modes Linearity: 640x480/75Hz, menu to adjust the horizontal size of the display 800x600/85Hz and 1024x768/85Hz pattern to 306 mm (17Ó) and 267 mm (15Ó). Figure 4-5. Pinbalance (Tolerance: ±...
  • Page 14 4 Alignment and Adjustments 4-2-6 Trapezoid Adjustment 4-2-9 Side Pincushion Adjustment CONDITIONS CONDITIONS Scanning frequency: 68 kHz/85 Hz (17Ó) Scanning frequency: 68 kHz/85 Hz (17Ó) 54 kHz/85 Hz (15Ó) 54 kHz/85 Hz (15Ó) Display image: Crosshatch pattern Display image: Crosshatch pattern Brightness: Maximum Use control bar after selecting ÒPINCUSHIONÓ...

  • Page 15: Color Adjustments

    4 Alignment and Adjustments 4-3 Color Adjustments CAUTION:Check below condition before color 4-3-2 (b) WHITE BALANCE ADJUSTMENT adjustment CONDITIONS Video signal : Analog 0.7 Vp-p (at 75 Ω) Scanning frequency: 68 kHz/85 Hz (17Ó) Sync : TTL level (H, V seperate signal) 54 kHz/85 Hz (15Ó) * Select ÒColorÓ...
  • Page 16 4 Alignment and Adjustments 4-3-2 (d) WHITE BALANCE ADJUSTMENT VERIFICATION PROCEDURE Measure luminance at nine points on the display CONDITIONS screen (see figure below). Scanning frequency: 68 kHz/85 Hz (17Ó) 54 kHz/85 Hz (15Ó) Display image: Back raster pattern Full White Pattern X-Y Coordinates: x = 0.283 ±...
  • Page 17 4 Alignment and Adjustments PROCEDURE For trained and experienced service technicians only. Use the following procedure to correct minor color purity problems: 1. Make sure the display is not affected by external magnetic fields. 2. Very carefully break the glue seal between the 2-pole purity convergence magnets (PCM), the band and the spacer (see Figures 4-12).

  • Page 18: Troubleshooting

    5 Troubleshooting 5-1 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. • High voltage develops but no raster appears: Video output circuits. •...

  • Page 19: Dpms Failure

    5 Troubleshooting 5-1-2 DPMS Failure WAVEFORMS Check signal source H/V sync video level. 100V (IC601, #1) Make No H/V sync (power off mode) CH1 P-P = 100V CH1 RMS = 325.8 V LED blinks Check IC201 Pin 40. +12 V line off Check IC201 Pin 5.
  • Page 20 5 Troubleshooting 5-1-3 H_Deflection Failure Does PWM output signal appear Does DC 12V appear at Check 12 V line. at Pin 6 (H_out) of IC401? Pin 10 of IC401? WAVEFORMS Check IC401. 2.00 V (IC401, #6) Does Horizontal paluse signal Check IC401.
  • Page 21 5 Troubleshooting 5-1-5 H_Lin. Failure IC201 Pin 21 voltage varies with Replace IC201. different H_Lin. DAC values? IC603 Pin 9 voltage varies with Check +12 V, –10 V line. different H_Lin. DAC values? Check some parts around IC603. Check Q412, Q413, T402. 5-1-6 Invariable H_Size IC401 Pin 6 voltage varies with Check and replace IC401.
  • Page 22 5 Troubleshooting 5-1-8 Side Pin or Trap Failure WAVEFORMS IC401 Pin 11 output exists? Check and replace IC401. 1.00 V (IC401, #11) Refer to 5-1-7 Abnormal H_Size . CH1 P-P = 1.00V CH1 RMS = 3.008 V 5-1-9 Para. or Pin Balance Failure IC401 Pin 11 output varies with Refer to 5-1-7 Abnormal H_Size .
  • Page 23 5 Troubleshooting 5-1-11 V Deflection Failure WAVEFORMS 13 V, –10 V line is on? Refer to 5-1-1 No Power Supply 500 V (IC401, #12) IC401 Pin 12 output exists? Check and replace IC401. CH1 P-P = 500 V CH1 RMS = 1.425 V 10.0 V (IC301, #6) Check and replace some parts IC301 Pin 6 output exists?

  • Page 24: High Voltage Failure

    5 Troubleshooting 5-1-13 High Voltage Failure WAVEFORMS Check and replace IC401 IC401 Pin 6 OSC pulse exists? 2.00 V (IC401, #6) and +12 V line. Q402 Gate driving pulse exists? Check and replace Q401. CH1 P-P = 2.00 V CH1 RMS = 5.868 V 2.00 V (Q402, Gate) Check and replace Q403, Q402 Drain pulse exists?
  • Page 25 5 Troubleshooting 5-1-15 Dynamic Focus Failure WAVEFORMS IC401 Pin 32 output is right? Replace the IC401. 2.00 V (IC401, #32) Some parts around Q551 are right? Replace failed part. CH1 P-P = 2.00V CH1 RMS = 6.124V 50.0 V (T502, #6) T502 Pin 6 input is right? Check and replace C432.

  • Page 26: No Video

    5 Troubleshooting 5-1-16 No Video WAVEFORMS Check signal cable and connection. 1.00 V (IC101, #5, 8, 10) IC101 Pins 5, 8 and 10 inputs Check the signal cable connection. are right? CH1 P-P = 1.00V CH1 RMS = 2.452V 1.00 V (IC101, #21,24,26) IC101 Pins 21, 24 and 26 Check I C bus and +12 V line.

  • Page 27: Micom Failure

    5 Troubleshooting 5-1-17 Micom Failure WAVEFORMS IC201 Pin 11 input voltage is 5V? Check IC604. 1.00 V (IC201, #13, 14) IC201 Pins 13 and 14 inputs Check C202, C203, X201. are right? CH1 P-P = 1.00 V CH1 RMS = 2.108V IC201 Pin 18 input is right? Check IC605.
  • Page 28 5 Troubleshooting 5-1-18 OSD Failure WAVEFORMS Check CN104 and connector Ass’y. 1.00 V (IC104, #6) Check and replace Q102. IC104 Pin 6 input is right? Check CN102 Pin 14. CH1 P-P = 1.00V CH1 RMS = 4.516V 1.00 V (IC104, #17) Check and replace Q101.
  • Page 29 5 Troubleshooting 5-1-19 User Control Failure Does the DC level change at Check the button. Pin 36 of IC201 when you push the (SW201 ~ SW204) button S/W? Check IC201. 5-1-20 Degaussing Failure Check degaussing connector. RL601 operation is right? Check D-coil and TH601.

  • Page 30: General Troubleshooting

    5 Troubleshooting 5-2 General Troubleshooting 5-2-1 No Picture LED blinks? Refer to 5-2-2 Shut down. LED is green color? Check Micom. Check G2 voltage, high voltage, R, G, B cathode voltage. 5-2-2 Shut Down Blinking LED’s? Check power supply. Check horizontal, vertical deflection Scan failure system and check power supply secondary voltages.

  • Page 31: Missing Color

    5 Troubleshooting 5-2-3 Missing Color WAVEFORMS Are proper Video levels 10.0 V (R,G,B, Video) Check signal generator. on CN101 (D-Sub) Pins 1, 3 and 5? Are proper Video signal on all Refer to 5-1-16 No Video. cathodes? CH1 P-P = 10.0V CH1 RMS = 17.02V Check IC101 Pins 15, 16 and 17.
  • Page 32 5 Troubleshooting 5-2-4 Visible Retrace Check white balance adjustment. Check D502, D503, Q501 and Adjust Is G2 voltage right? Is blank pulse on Pin 17 of IC401? Check IC401. WAVEFORMS 5.00 V (Q303, Collector) Is V_FLB pulse on Check Q303. Collector of Q303? CH1 P-P = 5.00V CH1 RMS = 28.33V...

  • Page 33: Unsynchronized Image

    5 Troubleshooting 5-2-5 Unsynchronized Image Check input signals Pins 2 and 3 of CN202. Are signals right? Check Video Cable Signals at Pins 28 and 29 of Check IC201. IC201 are right? Signals at Pins 14 and 15 of Check IC401 IC401 are right? Check circuits on Main board.
  • Page 34 5 Troubleshooting 5-2-6 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 DP15H*/DP17L* 5-17...

  • Page 35: Purity Failure

    5 Troubleshooting 5-2-7 Poor Focus Adjust focus VR of FBT. Aging monitor and check for focus Improved focus? change. Check focus leads from FBT to CRT Socket. Check the CRT Socket. Refer to 5-1-15 Dynamic Is dynamic focus circuit right? Focus Failure.

  • Page 36: Electrical Parts List

    7 Electrical Parts List 7 Electrical Parts List 7-1 Main PCB Parts Loc. No. Code No. Description Specification Remarks BD301 3301-000011 CORE-FERRITEBEAD AA,3.5x1.0x5.7mm,1500 BD401 3301-000011 CORE-FERRITEBEAD AA,3.5x1.0x5.7mm,1500 BD402 3301-000011 CORE-FERRITEBEAD AA,3.5x1.0x5.7mm,1500 17” BD402 BH39-40305U CBF-HARNESS 52MM,AWG22(0.6PI) 15” BD601 3301-000011 CORE-FERRITEBEAD AA,3.5x1.0x5.7mm,1500 BD602 3301-000011...
  • Page 37 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C413 2401-001012 C-AL 3.3UF,20%,50V,BP,TP,16X25,7.5 C414 2401-001334 C-AL 470nF,20%,50V,GP,TP,5x11,2.5 C415 2401-001218 C-AL 4.7uF,20%,100V,WT,TP,5x11,5 17” C415 2401-000043 C-AL 1uF,20%,160V,GP,TP,6.3x11,5 15” C416 2301-000010 C-FILM,PEF 100nF,5%,100V,TP,11.5x12.5mm C417 2301-000148 C-FILM,PEF 10nF,5%,100V,TP,7x3.2x7mm,5mm C419 2309-000106 C-FILM,MPE-PPF 2.2nF,5%,1.6KV,TP,23x16x9 C420 2309-000107...
  • Page 38 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C604 2201-000023 C-CERAMIC,DISC 2.2nF,20%,125V,Y5U,TP,11 C607 2202-002009 C-CERAMIC,MLC-AXIAL 100nF,+80-20%,50V,Y5 C608 2401-003367 C-AL 180uF,20%,400V,GP,BK,25x35mm,1 C609 2401-000971 C-AL 22uF,20%,50V,WT,TP,6x11mm,5mm C610 2301-000284 C-FILM,PEF 47nF,5%,100V,TP,8.5x12.5mm,5m C611 2401-000613 C-AL 1uF,20%,50V,WT,TP,5x11,5 C612 2401-000613 C-AL 1uF,20%,50V,WT,TP,5x11,5 C613 2201-000012 C-CERAMIC,DISC 220pF,10%,1KV,Y5P,TP,6x5...
  • Page 39 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks D407 0402-001118 DIODE-RECTIFIER UF1G,400V,1.2A,DO-204AL D408 0402-001255 DIODE-RECTIFIER DTV56F,1500V,10A,TO-220A 17” D409 0402-001256 DIODE-RECTIFIER SUF30JL,600V,3A,P600,BK D410 0402-000546 DIODE-RECTIFIER TVR10G,400V,1.0A,DO-41,T D411 0402-000546 DIODE-RECTIFIER TVR10G,400V,1.0A,DO-41,T D412 0402-000546 DIODE-RECTIFIER TVR10G,400V,1.0A,DO-41,T D413 0402-000546 DIODE-RECTIFIER TVR10G,400V,1.0A,DO-41,T D420 0401-000005 DIODE-SWITCHING...
  • Page 40 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks HS501 BH99-00001B ASSY,HEAT/SINK H/SFBT,SPRING,KA5802,DTV5 17” HS501 BH99-00001A ASSY,HEAT/SINK H/SFBT,SPRING,KA5802,DTV3 15” HS601 BH99-00003A ASSY,HEAT/SINK H/SPOWER,SPRING,DP104 IC201 BH09-00006A MICOM MASKING DM024, 42P IC201_SOCK 3704-001071 SOCKET-IC 42P,DIP,SN,1.778mm IC202 1103-001149 IC-EEPROM 24C041,4KBIT,DIP,8P,300MIL,10M IC301 1204-001508 IC-VERTICALDEF.
  • Page 41 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R201 2001-000786 R-CARBON 47KOHM,5%,1/8W,AA,TP,1.8X3.2MM R202 2001-000290 R-CARBON 10KOHM,5%,1/8W,AA,TP,1.8X3.2MM R203 2001-000786 R-CARBON 47KOHM,5%,1/8W,AA,TP,1.8X3.2MM R204 2001-000786 R-CARBON 47KOHM,5%,1/8W,AA,TP,1.8X3.2MM R206 2001-000515 R-CARBON 220OHM,5%,1/8W,AA,TP,1.8X3.2MM R207 2001-000869 R-CARBON 56OHM,5%,1/8W,AA,TP,1.8X3.2MM R208 2001-000869 R-CARBON 56OHM,5%,1/8W,AA,TP,1.8X3.2MM R209 2001-000734 R-CARBON 4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM...
  • Page 42 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R316 2001-000281 R-CARBON 100OHM,5%,1/8W,AA,TP,1.8X3.2MM R317 2001-000561 R-CARBON 27KOHM,5%,1/4W,AA,TP,2.4X6.4MM R318 2001-000766 R-CARBON 43KOHM,5%,1/8W,AA,TP,1.8X3.2MM R319 2001-000947 R-CARBON 7.5KOHM,5%,1/8W,AA,TP,1.8X3.2MM R320 2001-000331 R-CARBON 12KOHM,5%,1/8W,AA,TP,1.8X3.2MM R321 2001-000591 R-CARBON 3.3KOHM,5%,1/8W,AA,TP,1.8X3.2MM R322 2001-000890 R-CARBON 6.8KOHM,5%,1/8W,AA,TP,1.8X3.2MM R323 2001-000022 R-CARBON(S) 33OHM,5%,1/2W,AA,TP,2.4X6.4M...
  • Page 43 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R431 2005-001071 R-WIREWOUND 0.82OHM,5%,3W,AA,TP,5.5X15M 15” R432 2001-000020 R-CARBON(S) 22OHM,5%,1/2W,AA,TP,2.4X6.4M R434 2001-000290 R-CARBON 10KOHM,5%,1/8W,AA,TP,1.8X3.2MM R435 2001-000786 R-CARBON 47KOHM,5%,1/8W,AA,TP,1.8X3.2MM R436 2001-000290 R-CARBON 10KOHM,5%,1/8W,AA,TP,1.8X3.2MM R437 2001-000786 R-CARBON 47KOHM,5%,1/8W,AA,TP,1.8X3.2MM R438 2001-000290 R-CARBON 10KOHM,5%,1/8W,AA,TP,1.8X3.2MM 17”...
  • Page 44 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R518 2001-001031 R-CARBON 91KOHM,5%,1/8W,AA,TP,1.8X3.2MM R519 2001-000356 R-CARBON 150KOHM,5%,1/8W,AA,TP,1.8X3.2MM R520 2001-000241 R-CARBON 1.5KOHM,5%,1/8W,AA,TP,1.8X3.2MM R520 2001-000472 R-CARBON 2.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM 15” R521 2008-001085 R-FUSIBLE 4.7KOHM,5%,1/4W,AA,TP,2.4X6MM R524 2001-000660 R-CARBON 33KOHM,5%,1/8W,AA,TP,1.8X3.2MM R525 2001-000273 R-CARBON 100KOHM,5%,1/8W,AA,TP,1.8X3.2MM R526 2001-000273 R-CARBON...
  • Page 45 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R633 2001-000211 R-CARBON 1OHM,5%,1/4W,AA,TP,2.4X6.4MM RL601 3501-001111 RELAY-POWER 12Vdc,250mW,5A,1FormA,15mS,5 SK501 4715-000001 SURGEABSORBER 1KV,+50-10%, SW201 3404-000244 SWITCH-TACT 15V,20mA,90-170gf,7.5x7mm,SP SW202 3404-000244 SWITCH-TACT 15V,20mA,90-170gf,7.5x7mm,SP SW203 3404-000244 SWITCH-TACT 15V,20mA,90-170gf,7.5x7mm,SP SW204 3404-000244 SWITCH-TACT 15V,20mA,90-170gf,7.5x7mm,SP SW401 3406-000002 SWITCH-ROTARY 36Vdc,200mA,SP3T...
  • Page 46 7 Electrical Parts List 7-2 Video PCB Parts Loc. No. Code No. Description Specification Remarks BD102 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500 BD103 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500 C101 2202-002009 C-CERAMIC,MLC-AXIAL 100nF,+80-20%,50V,Y5 C102 2401-001334 C-AL 470nF,20%,50V,GP,TP,5x11,2.5 C103 2401-000037 C-AL 470uF,20%,16V,GP,TP,8x11.5,5 C104 2202-002008 C-CERAMIC,MLC-AXIAL 10nF,+80-20%,50V,Y5V C105 2202-002009...
  • Page 47 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks DB03 0401-000004 DIODE-SWITCHING 1SS244,250V,200mA,DO-34 DB04 0401-000004 DIODE-SWITCHING 1SS244,250V,200mA,DO-34 DB05 0401-000005 DIODE-SWITCHING 1N4148,75V,200MA,DO-35,T DG01 0401-000005 DIODE-SWITCHING 1N4148,75V,200MA,DO-35,T DG02 0401-000005 DIODE-SWITCHING 1N4148,75V,200MA,DO-35,T DG03 0401-000004 DIODE-SWITCHING 1SS244,250V,200mA,DO-34 DG04 0401-000004 DIODE-SWITCHING 1SS244,250V,200mA,DO-34 DG05 0401-000005 DIODE-SWITCHING 1N4148,75V,200MA,DO-35,T...
  • Page 48 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R141 2001-000005 R-CARBON 390OHM,5%,1/8W,AA,TP,1.8X3.2MM R142 2001-000005 R-CARBON 390OHM,5%,1/8W,AA,TP,1.8X3.2MM R143 2001-000005 R-CARBON 390OHM,5%,1/8W,AA,TP,1.8X3.2MM R144 2001-000005 R-CARBON 390OHM,5%,1/8W,AA,TP,1.8X3.2MM RB01 2001-000969 R-CARBON 75OHM,5%,1/8W,AA,TP,1.8X3.2MM RB02 2001-000969 R-CARBON 75OHM,5%,1/8W,AA,TP,1.8X3.2MM RB03 2001-000005 R-CARBON 390OHM,5%,1/8W,AA,TP,1.8X3.2MM RB04 2001-000302 R-CARBON 10OHM,5%,1/8W,AA,TP,1.8X3.2MM...
  • Page 49 7 Electrical Parts List Others Loc. No. Code No. Description Specification Remarks BH03-00005A CRT-COLOR 0.28,M36LGE128X208(F1M1),SINGLE 15” BH03-10341F CRT-COLOR 0.28,M36LGE128X206,SINGLE 15” BH03-00015A CRT-COLOR 0.28,M41QAR361X114(T4/S-2),DYNA 17” BH03-10342B CRT-COLOR 0.28,M41QAR361X111(A/S2),D 17” PBA UNIT BH94-00048B ASSY,PCB DP15H* BH94-00048C ASSY,PCB DP17L* B/D ASS’Y CODE BH98-00036B ASSY,PCB/MAIN DP15H* BH98-00037B...
  • Page 50 7 Electrical Parts List 7-3 Different Parts List (CDT) 7-15 DP15H*/DP17L*...
  • Page 51 7 Electrical Parts List Memo DP15H*/DP17L* 7-16...

  • Page 52: Block Diagram

    8 Block Diagrams DP15H*/DP17L*...
  • Page 53 8 Block Diagrams Memo DP15H*/DP17L*...

  • Page 54: Wiring Diagram

    9 Wiring Diagram MAIN PCB CRT SOCKET PCB CRT SOCKET FOCUS1 (WHT) FOCUS2 (RED) 2 x 3p DY 15"/17" 15"/17" 2 x 3p DY CN501 FOCUS (WHT) (RED) H+ CN401 CN402 (BLUE) H- H– H– (YEL) V+ H– CN302 (BROWN)V- V–...

  • Page 55: Schematic Diagrams

    10 Schematic Diagrams 10-1 SMPS Part Schematic Diagram 10-1 DP15H*/DP17L*...
  • Page 56 10 Schematic Diagrams Table 10-1. IC601 (DP104C) Table 10-2. IC602 (78R12) 100V (IC601, #1) 100V (IC601, #1) MODES MODES 1024 x 768 / 85 Hz 640 x 480 / 60 Hz 1024 x 768 / 85 Hz 640 x 480 / 60 Hz 285 V 286 V 13.57 V...
  • Page 57 10 Schematic Diagrams 10-2 Micom Part Schematic Diagram 10-3 DP15H*/DP17L*...
  • Page 58 10 Schematic Diagrams Table 10-3. IC201 (KS88C623IN) 1.00 V (IC201, #13, 14) MODES MODES 1024 x 768 / 85 Hz 640 x 480 / 60 Hz 1024 x 768 / 85 Hz 640 x 480 / 60 Hz 5.01 V 0.47 mV 1.02 V 1.02 V...
  • Page 59 10 Schematic Diagrams 10-3 H/V OSC & Vertical Part Schematic Diagram 10-5 DP15H*/DP17L*...
  • Page 60 10 Schematic Diagrams Table 10-5. IC301 (KA2142) Table 10-6. IC603 (LM324N) 1.00 V (IC401, #8) 1.00 V (IC401, #11) 2.00 V(IC401, #6) MODES MODES 800 x 600 / 85 Hz 640 x 480 / 60 Hz 1024 x 768 / 85 Hz 640 x 480 / 60 Hz 0.64 0.64 12.01...
  • Page 61 10 Schematic Diagrams 10-4 Deflection Part Schematic Diagram 10-7 DP15H*/DP17L*...
  • Page 62 10 Schematic Diagrams 20.0 V (Q403, Collector) 200 V (Q408, Collector) 2.00 V (Q402, Gate) 50.0 V (Q402, Drain) CH1 P-P = 20.0 V CH1 RMS = 46.80 V CH1 P-P = 200 V CH1 RMS = 387.2 V CH1 P-P = 2.00 V CH1 RMS = 7.692 V CH1 P-P = 50.0 V CH1 RMS = 73.7 V...
  • Page 63 10 Schematic Diagrams 10-5 Video Part Schematic Diagram 10-9 DP15H*/DP17L*...
  • Page 64 10 Schematic Diagrams Table 10-8. IC101 (KA2506) 1.00 V (IC101, #5, 8, 10) 1.00 V (IC101, #21,24,26) 20.0 V (IC103, #1, 2, 3) 1.00 V (IC104, #6) MODES MODES 1024 x 768 / 85 Hz 640 x 480 / 60 Hz 1024 x 768 / 85 Hz 640 x 480 / 60 Hz 4.6 mV...
  • Page 65 10 Schematic Diagrams Memo 10-11 DP15H*/DP17L*...

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