Samsung DP15HS Service Manual Download

Page: 28 / 73

5 Troubleshooting

5-12

DP15H*/DP17L*

5-1-19 User Control Failure

Does the DC level change at

Pin 36 of IC201 when you push the

button S/W?

Yes

Check the button.

(SW201 ~ SW204)

Check IC201.

RL601 operation is right?

Q601 base input is right?

Check and replace Q601.

Yes

Check D-coil and TH601.

Yes

IC201 Pin 4 output is right?

Check and replace IC201.

Yes

Done

Check degaussing connector.

5-1-20 Degaussing Failure

Summary of Contents for DP15HS

Page 1: ... COLOR MONITOR CONTENTS EXIT EXIT MENU 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: ...written permission of Samsung Electronics Co Ltd DP15H DP17L Service Manual First edition May 1999 Printed in Korea Trademarks Samsung is a registered trademark and DP15H DP17L and MacMaster Cable Adapter are trademarks of Samsung Electronics Co Ltd Macintosh Centris Quadra Duo Dock and Power Macintosh are trademarks of Apple Computer Inc All other trademarks are the property of their respective o...

Page 3: ...h lead dress to make certain that the leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the monitor 2 Inspect all protective devices such as nonmetallic control knobs insulating materials cabinet backs adjustment and compartment covers or shields isolation resistor capacitor networks mechanical insulators etc 3 Leakage Current Hot Check Figure 1 1 WA...

Page 4: ...tance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 7 Never defeat any of the B voltage interlocks Do not apply AC power to the unit or any of its assemblies unless all solid state heat sinks are correctly installed 8 Always connect a test instrumentÕs ground lead to the instrument chassis ground before connecting the positive lead alwa...

Page 5: ...67 mm 4 mm Vertical 200 5 mm 4 mm 17 Horizontal 306 mm 4 mm 4 3 ratio Vertical 230 5 mm 4 mm Input Voltage AC 90 to 264 Volts 60 Hz or 50 Hz 3 Hz Power Consumption 80 Watt max 15 90 Watt max 17 Dimensions Unit 15 14 25 x 15 11 x 15 11 Inches 362 x 384 x 384 mm W x D x H 17 16 22 x 16 54 x 16 36 Inches 412 x 420 x 415 5 mm Carton 15 17 87 x 19 57 x 17 52 Inches 454 x 497 x 445 mm 17 21 02 x 21 73 x...

Page 6: ...e 2 2 Male Type Sync Type Pin No Macintosh Separate 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Red Green Blue N C DDC Return GND R GND G GND B N C GND Sync Self raster N C DDC Data H Sync V Sync DDC Clock GND R Red H V Sync Sense 0 Green GND G Sense 1 Reserved Blue Sense 2 GND V Sync GND B GND H Sync ...

Page 7: ... 907 25 422 0 636 70 087 14 268 0 064 1 080 12 711 0 413 28 322 Negative Positive Separate 31 469 31 778 3 813 1 907 25 422 0 636 59 940 16 683 0 064 1 048 15 253 0 318 25 175 Negative Negative Separate 37 500 26 667 2 032 3 810 20 317 0 508 75 000 13 333 0 080 0 427 12 800 0 027 31 500 Negative Negative Separate 43 269 23 111 1 556 2 222 17 778 1 556 85 008 11 764 0 671 0 578 11 093 0 023 49 500 ...

Page 8: ...2 Product Specifications 2 4 DP15H DP17L Memo ...

Page 9: ...024 x 768 mode 68 kHz 85 Hz 15Ó 800 x 600 mode 54 kHz 85 Hz signals Refer to Table 2 1 on page 2 3 4 1 2 Required Equipment The following equipment may be necessary for adjustment procedures 4 1 2 a DISPLAY CONTROL ADJUSTMENT 1 Non metallic Ð screwdriver 1 5 2 5 3 mm 2 Non metallic screwdriver 1 5 2 5 3 mm 3 Digital Multimeter DMM or Digital Voltmeter 4 Signal generator or DM200 software 5 Softwar...

Page 10: ... to the signal timing available on that computer system To make corrections to all factory timings requires the use of an additional signal generator 4 Alignment and Adjustments 4 2 DP15H DP17L MONITOR INTERFACE BOARD VER 2 0 PC SIGNAL GENERATOR 3 WIRE CABLE SIGNAL CABLE 5V DC ADAPTOR PARALLEL CABLE Figure 4 1 Setup 1 With Signal Generator MONITOR INTERFACE BOARD VER 2 0 PC 3 WIRE CABLE SIGNAL CAB...

Page 11: ...kV 0 2 kV 17Ó 25 kV 0 2 kV 15Ó Screen Voltage adjustment procedure using softjig is all the same as 4 2 1 but selecting ÒG2 CONTÓ on the contrary to ÒHV MINÓ Table 4 1 4 2 3 CENTER RASTER Adjust SW401 so that the back raster comes to the center when you apply each basic mode for 15Ó and 17Ó 4 2 4 Centering Centering means to position the center point of the display in the middle of the display are...

Page 12: ... an image appears distorted elongated or squashed Table 4 2 Standard Modes Linearity 640x480 75Hz 800x600 85Hz and 1024x768 85Hz Table 4 3 Other Modes Linearity VGA SVGA XGA MAC etc 4 2 5 a HORIZONTAL LINEARITY ADJUSTMENT CONDITIONS Scanning frequency 68 kHz 85 Hz 17Ó 54 kHz 85 Hz 15Ó Display image Crosshatch pattern Brightness Maximum Contrast Maximum To adjust the Horizontal Linearity refer to T...

Page 13: ...e 4 6 Parallelogram 4 2 9 Side Pincushion Adjustment CONDITIONS Scanning frequency 68 kHz 85 Hz 17Ó 54 kHz 85 Hz 15Ó Display image Crosshatch pattern Use control bar after selecting ÒPINCUSHIONÓ in left menu to straighten the sides of the image area 4 2 10 Tilt Adjustment CONDITIONS Scanning Frequency 68 kHz 85 Hz 17Ó 54 kHz 85 Hz 15Ó Display image Crosshatch pattern Brightness Maximum Contrast Ma...

Page 14: ...ron bar after selecting ÒGREEN CUTOFFÓ in the menu 3 Use control bar after selecting ÒBLUE CUTOFFÓ in left menu to set the ÒyÓ coordinate to 0 298 0 02 4 Use control bar after selecting ÒRED CUTOFFÓ in left menu to 0 283 0 02 If color values would not be matched desirable values repeat sequence 3 and 4 after readjusting ÒGREEN CUTOFFÓ control a little different 4 3 2 b WHITE BALANCE ADJUSTMENT CON...

Page 15: ...nce is considered uniform only if the ratio of lowest to highest brightness areas on the screen is not less than 7 5 10 CONDITIONS Scanning frequency 68 kHz 85 Hz 17Ó 54 kHz 85 Hz 15Ó 1024 x 768 Display image White flat field Brightness Cut off point at 24 ft L Contrast Maximum PROCEDURE Measure luminance at nine points on the display screen see figure below 4 3 4 Focus Adjustment CONDITIONS Scann...

Page 16: ... 4 Display a green pattern over the entire display area 5 Adjust the purity magnet rings on the PCM assembly to display a pure green pattern Optimum setting x 0 295 0 015 y 0 594 0 015 6 Repeat steps 4 and 5 using a red pattern and then again using a blue pattern Table 4 4 Color Purity Tolerances For 9300K color adjustment x 0 283 0 02 y 0 298 0 02 7 When you have the PCMs properly adjusted carefu...

Page 17: ...s Video output circuits High voltage does not develop Horizontal output circuits 5 1 1 No Power Supply Chirping noise exists Check and replace IC601 Check and replace D601 FH1 Done No Yes Repeating start Check and replace D606 No Yes IC601 Pin 1 waveform is right Check and replace D614 IC601 Q602 ZD601 Yes No C622 Voltage is 13 V 0 5V Check and replace IC201 IC301 IC401 Q402 Q404 Yes No Normal ope...

Page 18: ... H V sync video level LED blinks Check IC201 Pin 40 Yes No 12 V line off Check IC201 Pin 5 Yes No IC602 Pin 4 voltage exists Check IC201 Pin 6 Check and replace IC602 No Yes IC601 Pin 1 output voltage exists Refer to 5 1 1 No Power Supply Done Yes No WAVEFORMS 2 2 100V IC601 1 CH1 P P 100V CH1 RMS 325 8 V ...

Page 19: ... IC401 6 CH1 P P 2 00V CH1 RMS 5 868V 4 1 00V IC401 8 CH1 P P 1 00V CH1 RMS 1 298V 5 20 0 V Q403 Collector CH1 P P 20 0 V CH1 RMS 46 80V Does PWM output signal appear at Pin 6 H_out of IC401 Check IC401 Check 12 V line Yes No Does DC 12V appear at Pin 10 of IC401 Yes No 3 7 1 4 S Correction Failure S1 S3 signals are right at each frequency block Check S1 S3 signal Check and replace Q404 Q409 Q410 ...

Page 20: ...ize IC401 Pin 6 voltage varies with different B_Out DAC values Q402 Gate output duty varies with different B_Out DAC values Check some parts around Q402 IC401 Pin 3 6 Yes No Check and replace IC401 No 5 1 7 Abnormal H_Size IC401 Pin 11 output duty varies with different B offset DAC values Q408 Collector waveform is right Check and replace Q405 Q406 Q407 Q408 Check some parts around D409 L401 Yes Y...

Page 21: ...ut varies with different DAC values No Replace IC401 No WAVEFORMS 7 7 1 00 V IC401 11 CH1 P P 1 00V CH1 RMS 3 008 V 5 1 10 Tilt Failure IC201 Pin 20 output duty varies with different DAC values IC603 Pin 13 output varies with different DAC values Check and replace IC603 Check and replace Q301 Q302 Yes Yes No Check and replace IC201 No Check tilt connector connection Refer to 5 1 7 Abnormal H_Size ...

Page 22: ...pply No IC301 Pin 6 output exists Check and replace some parts around IC301 Yes No Check DY connector connection WAVEFORMS 8 9 8 500 V IC401 12 CH1 P P 500 V CH1 RMS 1 425 V 9 10 0 V IC301 6 CH1 P P 10 0 V CH1 RMS 5 06 V 5 1 12 V Size or Pos Variation Failure IC401 Pin 12 output varies with different DAC values Yes Check and replace IC201 IC401 Check and replace IC301 No ...

Page 23: ... 10 3 11 2 00 V Q402 Gate CH1 P P 2 00 V CH1 RMS 7 692V 3 2 00 V IC401 6 CH1 P P 2 00 V CH1 RMS 5 868 V 11 50 0 V Q402 Drain CH1 P P 50 0 V CH1 RMS 73 7V IC101 Pin 12 input exists and varies with different patterns Check and replace IC101 Input full white pattern to monitor No Yes No T501 Pin 8 output exists Check and replace T501 Yes No IC201 Pin 26 output exists and varies with different pattern...

Page 24: ...s Yes No Replace the IC401 No T502 Pin 6 input is right Check and replace C432 Yes No T502 Pin 1 output is right Replace the T502 No No Check the connection between FBT Focus pin CRT Socket PCB WAVEFORMS 13 14 12 12 2 00 V IC401 32 CH1 P P 2 00V CH1 RMS 6 124V 13 50 0 V T502 6 CH1 P P 50 0V CH1 RMS 75 6V 14 100 V T502 1 CH1 P P 100V CH1 RMS 124 0V ...

Page 25: ...ht Check 12 V 72 V line Check and replace IC103 Yes No Cathode DC levels are right Check 72 V line Check and replace QR01 QR02 QG01 QG02 QB01 QB02 Yes No G2 voltage is right Check G2 wire CRT Socket board and FBT Change CRT Yes Done No Check signal cable and connection WAVEFORMS 15 16 17 15 1 00 V IC101 5 8 10 CH1 P P 1 00V CH1 RMS 2 452V 16 1 00 V IC101 21 24 26 CH1 P P 1 00V CH1 RMS 2 792V 17 20...

Page 26: ...nput voltage is 5V IC201 Pins 13 and 14 inputs are right Check C202 C203 X201 Yes Yes No Check IC604 No IC201 Pin 18 input is right Check IC605 Yes No All in output values are right Replace IC201 No No Done WAVEFORMS 18 18 1 00 V IC201 13 14 CH1 P P 1 00 V CH1 RMS 2 108V ...

Page 27: ... inputs are right Check IC201 Pins 41 and 42 Yes No IC104 Pins 12 13 and 14 outputs are right Check and replace IC104 No No IC101 Pins 21 24 and 26 outputs are right Check and replace IC101 Check and replace IC103 Yes Done No Check CN104 and connector Ass y WAVEFORMS 19 20 21 19 1 00 V IC104 6 CH1 P P 1 00V CH1 RMS 4 516V 20 1 00 V IC104 17 CH1 P P 1 00V CH1 RMS 5 024V 21 1 00 V IC101 21 24 26 CH1...

Page 28: ...01 when you push the button S W Yes Check the button SW201 SW204 No Check IC201 RL601 operation is right Q601 base input is right Check and replace Q601 No No Yes Check D coil and TH601 Yes IC201 Pin 4 output is right Check and replace IC201 Yes No Done Check degaussing connector 5 1 20 Degaussing Failure ...

Page 29: ... Check G2 voltage high voltage R G B cathode voltage Yes No No Refer to 5 2 2 Shut down Yes 5 2 2 Shut Down Blinking LED s Scan failure Check horizontal vertical deflection system and check power supply secondary voltages Yes Yes Check power supply No Check and replace IC201 Done No Video failure Check Video board No Yes ...

Page 30: ...No Check signal generator No Are proper DC voltage on all cathodes Check IC101 Pins 15 16 and 17 Check QR01 QR02 QG01 QG02 QB01 and QB02 Yes Yes No Is G2 voltage right Check D502 D503 Q501 No Is Heater voltage right Check D608 Q604 T601 No Yes Check D504 Q602 T501 No Yes Yes Yes Is G1 voltage right No Replace CRT Done 22 WAVEFORMS 22 10 0 V R G B Video CH1 P P 10 0V CH1 RMS 17 02V ...

Page 31: ... Q501 and Adjust G2 No Is V_FLB pulse on Collector of Q303 Check Q303 Done Yes No Does approve the Vertical pulse on the CRT Socket G1 Check CN102 CN201 Yes No Check white balance adjustment 5 2 4 Visible Retrace 23 24 WAVEFORMS 23 5 00 V Q303 Collector CH1 P P 5 00V CH1 RMS 28 33V 24 20 00 V CRT G1 CH1 P P 20 0V CH1 RMS 66 68V ...

Page 32: ...Signals at Pins 28 and 29 of IC201 are right Check IC201 Yes Yes No Check Video Cable No Signals at Pins 14 and 15 of IC401 are right Check IC401 Check circuits on Main board Yes Done No Check input signals Pins 2 and 3 of CN202 5 2 5 Unsynchronized Image ...

Page 33: ...P15H DP17L 5 17 Is the convergence now within spec Readjust convergence No Done Yes Is the convergence now within spec Done Change CRT and readjust convergence No Done Yes Try readjusting convergence 5 2 6 Misconvergence ...

Page 34: ...check for focus change Yes Is dynamic focus circuit right Refer to 5 1 15 Dynamic Focus Failure Replace the CRT and verify focus Yes No Adjust focus VR of FBT 5 2 7 Poor Focus 5 2 8 Purity Failure Purity is right Degaussing circuit is right Refer to 5 1 20 Degaussing Failure Replace CRT and verify purity Yes No No Done Yes Degaussing ...

Page 35: ...6 Exploded View and Parts List 6 1 DP15HS DP15H DP17L 6 1 ...

Page 36: ...6 Exploded View Parts List 6 2 DP17LS 6 2 DP15H DP17L ...

Page 37: ...6 1 1 Front Cover CRT Ass y DP15HS 6 Exploded View Parts List DP15H DP17L 6 3 ...

Page 38: ...6 1 2 Chassis Stand Ass y DP15HS 6 Exploded View Parts List 6 4 DP15H DP17L ...

Page 39: ...6 1 3 Rear Cover Ass y DP15HS 8 Exploded View Parts List DP15H DP17L 6 5 ...

Page 40: ...6 2 1 Front Cover CRT Ass y DP17LS 6 Exploded View Parts List 6 6 DP15H DP17L ...

Page 41: ...6 2 2 Chassis Stand Ass y DP17LS 6 Exploded View Parts List DP15H DP17L 6 7 ...

Page 42: ...6 2 3 Rear Cover Ass y DP17LS 6 Exploded View Parts List 6 8 DP15H DP17L ...

Page 43: ...000603 C AL 1uF 20 50V GP TP 5x11 5 C217 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5 C220 2401 000025 C AL 100uF 20 16V GP TP 6 3x11 5 C301 2301 000010 C FILM PEF 100nF 5 100V TP 11 5x12 5mm C302 2305 000291 C FILM MPEF 220nF 5 63V TP 7 5x13 5mm 5 C305 2401 000037 C AL 470uF 20 16V GP TP 8x11 5 5 C306 2401 000856 C AL 220uF 20 35V WT TP 10x20 5 C307 2305 000237 C FILM MPEF 1uF 5 63V TP 7 5x...

Page 44: ... C434 2401 001016 C AL 3 3UF 20 50V BP TP 5X11 5 C435 2201 000469 C CERAMIC DISC 330pF 10 500V Y5P TP 6x4 C436 2201 000012 C CERAMIC DISC 220pF 10 1KV Y5P TP 6x5 15 C501 2301 000016 C FILM PEF 22nF 5 100V TP 7 2x4 5x9 0mm C502 2301 000016 C FILM PEF 22nF 5 100V TP 7 2x4 5x9 0mm C503 2401 000050 C AL 10uF 20 16V GP TP 5x11 2 5 C504 2301 000004 C FILM PEF 2 2nF 5 100V TP 5 5X10X2 9 5 17 C504 2301 00...

Page 45: ...P 8x11 5 5 C631 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5 CIS BH39 00016A CBF SIGNAL 1550MM IVORY IV01 2990 CIS 0402 001257 DIODE RECTIFIER DTV32F 1500V 15A TO 220A 15 CLAMP 6502 000001 CABLECLAMP DAWH 5NB D15 L35 NTR NYLON66 17 CN201 3711 003895 CONNECTOR HEADER BOX 13P 1R 2mm STRAIGHT CN202 3711 003873 CONNECTOR HEADER BOX 7P 1R 2mm STRAIGHT CN301 3711 001483 CONNECTOR HEADER NOWALL 3P ...

Page 46: ... D513 0401 000005 DIODE SWITCHING 1N4148 75V 200MA DO 35 T D601 0402 000103 DIODE BRIDGE D2SBA60 600V 1 5A SIP 4 ST D602 0401 000005 DIODE SWITCHING 1N4148 75V 200MA DO 35 T D604 0402 000012 DIODE RECTIFIER UF4007 1KV 1A DO 41 TP D605 0402 000012 DIODE RECTIFIER UF4007 1KV 1A DO 41 TP D606 0402 000546 DIODE RECTIFIER TVR10G 400V 1 0A DO 41 T D607 0401 000005 DIODE SWITCHING 1N4148 75V 200MA DO 35 ...

Page 47: ...5 001309 FET SILICON IRF630 N 200V 10A 0 4OHM 100 Q403 0501 000372 TR SMALLSIGNAL KSC2383 Y NPN 900mW TO 92 Q404 0502 001129 TR POWER KSC5802 NPN 70W TO 3PF ST 5 Q405 0501 000303 TR SMALLSIGNAL KSA733 PNP 250mW TO 92 TP Q406 0501 000303 TR SMALLSIGNAL KSA733 PNP 250mW TO 92 TP Q407 0501 000586 TR SMALLSIGNAL KSC945 NPN 250mW TO 92 TP Q408 0502 000465 TR POWER KTD2058 Y NPN 25W TO 220IS ST Q409 050...

Page 48: ...5 1 4W AA TP 2 4X6 4MM R224 2001 000869 R CARBON 56OHM 5 1 8W AA TP 1 8X3 2MM R225 2001 000869 R CARBON 56OHM 5 1 8W AA TP 1 8X3 2MM R229 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM R230 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R231 2001 000241 R CARBON 1 5KOHM 5 1 8W AA TP 1 8X3 2MM R232 2001 000812 R CARBON 5 6KOHM 5 1 8W AA TP 1 8X3 2MM R233 2001 000331 R CARBON 12KOHM 5 1 8W A...

Page 49: ...N 10KOHM 5 1 8W AA TP 1 8X3 2MM R413 2001 001038 R CARBON S 0 56OHM 5 1 2W AA TP 2 4X6 R414 2001 001038 R CARBON S 0 56OHM 5 1 2W AA TP 2 4X6 R415 2003 000429 R METALOXIDE S 1 5Kohm 5 2W AA TP 4x12 R416 2001 000107 R CARBON S 150KOHM 5 1 2W AA TP 2 4X6 R417 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM SDD R417 2001 000890 R CARBON 62KOHM 5 1 8W AA TP 1 8X3 2MM TSB PHS R418 2001 000221 R CARB...

Page 50: ... 2MM R451 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R452 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R453 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R454 2003 000650 R METALOXIDE S 330ohm 5 2W AA TP 4x12m R500 2001 000435 R CARBON 1MOHM 5 1 8W AA TP 1 8X3 2MM R501 2001 000472 R CARBON 2 7KOHM 5 1 8W AA TP 1 8X3 2MM R502 2004 000979 R METAL 47Kohm 1 1 4W AA TP 2 4x6 4mm R503...

Page 51: ...129 R CARBON S 330KOHM 5 1 2W AA TP 2 4X6 R601 2001 001129 R CARBON S 330KOHM 5 1 2W AA TP 2 4X6 R602 2001 000023 R CARBON 47OHM 5 1 4W AA TP 2 4X6 4MM R603 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM R604 2001 000857 R CARBON 560OHM 5 1 8W AA TP 1 8X3 2MM R605 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2MM R606 2003 000225 R METALOXIDE 22Kohm 5 1W AA TP 4 3x12m R607 2003 000225 R META...

Page 52: ...H26 00022A TRANS FOCUS 3 0MH 6P EI2218 SB 5S 3 0MH 17 T502 BH26 00023A TRANS FOCUS 5 0MH 6P EI2218 SB 5S 5 0MH 15 T601 BH26 00033A TRANS SWITCHING 390UH 16P EER3538 PL3 P 17 T601 BH26 00032A TRANS SWITCHING 390UH 83UH 16P EER3538S 15 T602 BH26 30302S TRANS SYNC 3 1 250UH SB 5S UU1116 TH601 1404 000002 THERMISTOR PTC 9ohm 20 TR RECT TH602 1404 001020 THERMISTOR NTC 8ohm 15 17mW C BK TP501 4715 0000...

Page 53: ...0148 C FILM PEF 10nF 5 100V TP 7x3 2x7mm 5mm C124 2301 000148 C FILM PEF 10nF 5 100V TP 7x3 2x7mm 5mm C125 2401 000010 C AL 220uF 20 16V GP 6 3x11mm 2 CB01 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5 CB02 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5 CB04 2301 000010 C FILM PEF 100nF 5 100V TP 11 5x12 5mm CB05 2301 000010 C FILM PEF 100nF 5 100V TP 11 5x12 5mm CB06 2202 002009 C CERAMI...

Page 54: ...AL 2N3904 NPN 625mW TO 92 T QB01 0501 000140 TR SMALL SIGNAL 2N5551 NPN 625mW TO 92 QB02 0501 000138 TR SMALL SIGNAL 2N5401 PNP 625mW TO 92 T QG01 0501 000140 TR SMALL SIGNAL 2N5551 NPN 625mW TO 92 QG02 0501 000138 TR SMALL SIGNAL 2N5401 PNP 625mW TO 92 T QR01 0501 000140 TR SMALL SIGNAL 2N5551 NPN 625mW TO 92 QR02 0501 000138 TR SMALL SIGNAL 2N5401 PNP 625mW TO 92 T R101 2001 000290 R CARBON 10KO...

Page 55: ...RBON 100OHM 5 1 4W AA TP 2 4X6 4MM RG09 2001 000962 R CARBON 75KOHM 5 1 4W AA TP 2 4X6 4MM RG10 2001 000705 R CARBON 39OHM 5 1 2W AA TP 3 3X9MM RG11 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM RG12 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2MM RG13 2001 001000 R CARBON 82KOHM 5 1 8W AA TP 1 8X3 2MM RR01 2001 000969 R CARBON 75OHM 5 1 8W AA TP 1 8X3 2MM RR02 2001 000969 R CARBON 75OHM ...

Page 56: ...98 00036B ASSY PCB MAIN DP15H BH98 00037B ASSY PCB VIDEO DP15H BH98 00036C1 ASSY PCB MAIN DP17L BH98 00037C ASSY PCB VIDEO DP17L S CABLE BH39 00016A CBF SIGNAL 1550MM IVORY IV01 2990 MAGNET 3302 000006 MAGNET RUBBER AF 14G 1620 1980G 0 58 0 9 D COIL BH27 00014A COIL DEGAUSSING ASS Y 290 225 1020MM 6 9 15 BH27 00015A COIL DEGAUSSING ASS Y 290 265 1100MM 9 6 17 P CORD BH39 10007A CBF POWER CORD DET ...

Page 57: ...7 Electrical Parts List 7 15 DP15H DP17L 7 3 Different Parts List CDT ...

Page 58: ...Memo 7 Electrical Parts List DP15H DP17L 7 16 ...

Page 59: ...TILT POWER PWM CONTROL IC601C BRIDGE RETIFIER EPROM IC202 DEGAUSSING BLOCK RL601 UP DOWN BRIGHTNISS CONTRASTER PIN TRAP SIZE POSI DEGA LED POWER AC INPUT SOCKET CN601 LINE FILTER L601 SWITCHING TRANS T601 ACL CIRCUIT CONTRAST CONTROL BRIGHTNESS CONTROL 56V 13V 12V 6 3V 70V PS 2 VER OUT TILT CONTORL HEATER VOLTAGE CONTROL POWER OFF MODE CONTROL Q607 12V REGULATOR PS 1 PS 2 From MCU CRT HEATER G1 12...

Page 60: ...Memo 8 Block Diagrams 8 2 DP15H DP17L ...

Page 61: ...0 V IICCLK CLAMP 5 V GND GND 6 3 V G1 12 V V SYNC ACL IICDATA AFC 9 10 11 12 13 14 1 2 3 4 5 6 7 8 RED H BLUE H YEL V BROWN V NC TCO TCO GND NC TCO TCO GND CN502 15 17 PHS CDT 15 TSB CDT 1 2 V V H NC NC H 2 x 3p DY 15 17 15 17 FOCUS1 WHT FOCUS2 RED CN304 CN501 CN201 GND H IN DDC CLK DDC 5V S RASTER DDC DATA V IN 1 2 3 4 5 6 7 CN202 GND H IN DDC CLK DDC 5V S RASTER DDC DATA V IN 1 2 3 4 5 6 7 70 V ...

Page 62: ...10 1 DP15H DP17L 10 Schematic Diagrams 10 1 SMPS Part Schematic Diagram ...

Page 63: ...V 4 98 pin MODES 1024 x 768 85 Hz 640 x 480 60 Hz Table 10 1 IC601 DP104C Unit Vrms 1 2 3 4 13 57 V 12 05 17 0 mV 4 99 V 13 50 12 05 15 5 mV 4 99 V pin MODES 1024 x 768 85 Hz 640 x 480 60 Hz Table 10 2 IC602 78R12 Unit Vrms 1 100V IC601 1 CH1 P P 100V CH1 RMS 350 2 V 2 100V IC601 1 CH1 P P 100V CH1 RMS 325 8V ...

Page 64: ...10 Schematic Diagrams 10 3 DP15H DP17L 10 2 Micom Part Schematic Diagram ...

Page 65: ...67 V 4 99 V 4 34 V 2 49 V 0 6 V 1 02 V 2 91 V 1 14 V 7 5 mV 3 99 V 4 93 V 4 73 V 11 3 mV 4 5 mV 0 314 V 15 3 mV 15 6 mV 5 12 V 5 11 V 5 11 V 5 11 V 5 11 V 5 11 V 0 145 V 5 12 V 5 12 1 02 V 0 31 V 1 04 V 8 7 mV 3 99 V 5 0 V 4 49 V 11 4 mV 4 49 V 3 98 V 14 6 mV 14 8 mV 5 12 V 5 11 V 5 11 V 5 11 V 5 11 V 5 11 V 0 146 V 5 12 V 5 12 V 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 pin p...

Page 66: ...10 Schematic Diagrams 10 5 DP15H DP17L 10 3 H V OSC Vertical Part Schematic Diagram ...

Page 67: ...73 V 1 38 V 1 29 V 11 3 mV 4 73 V 0 76 V 0 15 V 5 68 V 3 89 V 1 39 V 2 48 V 6 48 V 14 5 mV 0 93 V 2 02 V 11 7 V 1 86 V 1 38 V 1 29 V 11 4 mV 4 49 V 0 64 V pin MODES 1024 x 768 85 Hz 640 x 480 60 Hz 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 24 7 mV 5 12 V 5 12 V 4 02 V 5 01 V 2 69 V 3 02 V 2 66 15 4 mV 3 86 V 1 54 V 2 57 V 4 54 V 5 47 V 5 47 V 6 11 V 23 9 mV 5 12 V 5 12 V 4 04 V 5 01 V 3 17 V...

Page 68: ...10 Schematic Diagrams 10 7 DP15H DP17L 10 4 Deflection Part Schematic Diagram ...

Page 69: ...2 1 CH1 P P 100 V CH1 RMS 124 0 V 11 50 0 V Q402 Drain CH1 P P 50 0 V CH1 RMS 73 7 V 10 2 00 V Q402 Gate CH1 P P 2 00 V CH1 RMS 7 692 V 6 200 V Q408 Collector CH1 P P 200 V CH1 RMS 387 2 V 5 20 0 V Q403 Collector CH1 P P 20 0 V CH1 RMS 46 80 V 23 5 00 V Q303 Collector CH1 P P 5 00 V CH1 RMS 28 33 V ...

Page 70: ...10 Schematic Diagrams 10 9 DP15H DP17L 10 5 Video Part Schematic Diagram ...

Page 71: ... 2 3 4 5 6 7 8 9 38 5 39 9 GND 2 4 V 2 55 11 8 2 4 V 72 8 42 5 36 9 38 1 GND 2 53 2 68 11 8 2 4 V 73 2 40 2 pin MODES 800 x 600 85 Hz 640 x 480 60 Hz Table 10 9 IC103 LM2437 Unit Vrms 1 2 3 4 5 6 7 8 9 10 11 12 1 3 mV 2 24 V 1 26 V 1 27 V 4 93 3 99 5 11 5 11 NC NC NC NC NC NC NC NC 4 91 1 9 mV 4 9 5 3 V 5 5 V 5 6 V NC 4 93 pin MODES 1024 x 768 85 Hz 640 x 480 60 Hz Table 13 10 IC104 KS2501 09 Unit...

Page 72: ...10 Schematic Diagrams 10 11 DP15H DP17L Memo ...

Page 73: ...Samsung Electronics Co Ltd May 1999 Printed in Korea Code No BH68 00129A ...

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