Samsung PN17K Series Service Manual Download Page 1

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COLOR MONITOR

PN17KT/KO
PN17JT/JO

Manual

SERVICE

COLOR MONITOR

CONTENTS

1. Precautions

2. Product Specifications

3. Disassembly & Reassembly

4. Alignment & Adjustments

5. Troubleshooting

6. Exploded View & Parts List

7. Electrical Parts List

8. Block Diagram

9. Wiring Diagram

10. Schematic Diagrams

PN17KT/JT

PN17KO/JO

Summary of Contents for PN17K Series

Page 1: ...OR 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 Wirin...

Page 2: ...City Kyungki Do Korea Tel 82 31 200 7920 Fax 82 31 200 7802 Printed in Korea P N BH68 00393J 00 http www samsungmonitor com SyncMaster Worldwide http www samsung monitor com SyncMaster USA http www sa...

Page 3: ...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...

Page 4: ...stance 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 a...

Page 5: ...internally terminated Input Sync Signal Separate Sync TTL level positive negative Maximum Pixel Clock rate 110 MHz 135 MHz Active Display Horizontal Vertical 312 mm 4 mm 234 mm 4 mm Input Voltage AC 9...

Page 6: ...e Type Figure 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 GND DDC GND R GND G GND B N C GND Sync Self raster N C DDC Data H Sync V Sync DDC...

Page 7: ...itive 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 43 269 23 111 1 556 2 222 17 778 1 556 85 008 11 764 0 671 0 578 11 093 0...

Page 8: ...2 Product Specifications 2 4 PN17K PN17J Memo...

Page 9: ...ill it makes a ttak sound 2 grooves Left and Right Make sure each snap is disengaged 5 Pull the Rear Cover up off the monitor 6 Remove the Shield TCO 99 PN17K PN17J 3 1 3 Disassembly and Reassembly Th...

Page 10: ...tor on the Main 5 Using the jig release the snaps 2 connecting the Front Cover and the PCB then lift up the Bottom to separate the two Shield 6 Disconnect the Tilt connector at the CN2 CN22 connector...

Page 11: ...less otherwise specified adjust at the 1024 x 768 mode 68 kHz 85 Hz signal 4 1 2 Required Equipment The following equipment may be necessary for adjustment procedures 4 1 2 a DISPLAY CONTROL ADJUSTMEN...

Page 12: ...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 PN17K PN17J MONITOR...

Page 13: ...ame in Model field Select 7 Zero Beam in menu after selecting Extra 1 Adjust G2 using control bar after selecting G2 CONT 4 2 3 CENTER RASTER Adjust SW401 so that the back raster comes to the center w...

Page 14: ...earity 2x x100 Vertical Linearity 2x x100 Table 4 1 Preset Mode 68KHz 85Hz Pre load Mode Refer to Timing Chart 4 2 5 a HORIZONTAL LINEARITY ADJUSTMENT CONDITIONS Scanning frequency 68 kHz 85 Hz Displa...

Page 15: ...ion Adjustment CONDITIONS Scanning frequency 68 kHz 85 Hz Display image Crosshatch pattern Use control bar after selecting PINCUSHION in left menu to straighten the sides of the image area 4 2 10 Tilt...

Page 16: ...rol bar after selecting BLUE CUTOFF in left menu to set the y coordinate to 0 298 0 02 4 Use control bar after selecting RED CUTOFF in left menu to 0 283 0 02 If color values would not be matched desi...

Page 17: ...x 768 Display image H character pattern Brightness Cut off point Contrast Maximum PROCEDURE 1 Adjust the Focus VR on the FBT to display the sharpest image possible 2 Use Locktite to seal the Focus VR...

Page 18: ...Memo 4 Alignment and Adjustments 4 8 PN17K PN17J...

Page 19: ...ontal output circuits 5 1 1 No Power Supply Chirping noise exists Check and replace IC601 Check and replace D601 and FH1 Done No Yes Repeating start Check and replace D606 No Yes IC601 Pin 1 waveform...

Page 20: ...H V Sync video level LED blinks Check IC201 Pin 40 Yes No 12 V line off Check IC201 Pin 6 Yes No Yes IC602 Pin 4 voltage exists Check IC201 Pin 6 Check and replace IC602 No IC601 Pin 1 output voltage...

Page 21: ...H1 P P 2 00V CH1 RMS 5 868V 4 2 00V IC401 8 CH1 P P 2 00V CH1 RMS 5 868V 5 20 0 V Q404 Collector CH1 P P 20 0 V CH1 RMS 46 80V Does PWM output signal appear at Pin 6 B_out of IC401 Check IC401 Check 1...

Page 22: ...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...

Page 23: ...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...

Page 24: ...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...

Page 25: ...AVEFORMS 10 3 10 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 8 input exists and varies wi...

Page 26: ...es 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 and CRT Socket PCB WAVEF...

Page 27: ...Check 12V 72 V line Check and replace IC103 Yes No Cathode DC levels are right Check 72V line Check and replace QR01 QR02 QG01 QG02 QB01 and QB02 Yes No G2 voltage is right Check G2 wire CRT Socket bo...

Page 28: ...t voltage is 5V IC201 Pin 13 and 14 inputs are right Check C202 C203 and 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 Yes...

Page 29: ...No IC101 Pin 29 and 30 inputs are right Check IC201 Pin 41 and 42 Yes No Check and replace IC103 Yes Done WAVEFORMS 19 20 19 1 00 V IC101 32 CH1 P P 1 00V CH1 RMS 4 516V 20 1 00 V IC101 1 CH1 P P 1 0...

Page 30: ...1 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...

Page 31: ...eck G2 voltage high voltage and R G B cathode voltage No No Yes 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 sup...

Page 32: ...heck signal generator No Proper DC voltage is on all cathodes Check IC101 Pin 17 20 and 23 Check QR01 QR02 QG01 QG02 QB01 and QB02 Yes Yes No G2 voltage is right Check Q501 and D520 No Heater voltage...

Page 33: ...and Q501 No V_FLB pulse is on Collector of Q303 Check Q303 Done Yes No Does approve the Vertical pulse on the CRT Socket G1 Check CN102 and CN201 Yes No Check white balance adjustment 5 2 4 Visible Re...

Page 34: ...Signals at Pin 28 and 29 of IC201 are right Check IC201 Yes Yes No Check Video Cable No Signals at Pin 14 and 15 of IC401 are right Check IC401 Check circuits on Main board Yes Done No Check input sig...

Page 35: ...17K PN17J 5 17 The convergence is now within spec Readjust convergence No Done Yes The convergence is now within spec Done Change CRT and readjust convergence No Done Yes Try readjusting convergence 5...

Page 36: ...heck for focus change Yes Dynamic focus circuit is 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 Puri...

Page 37: ...PN17K PN17J 6 1 6 Exploded View and Parts List 6 1 PN17KT JT...

Page 38: ...6 2 PN17KO JO 6 Exploded View Parts List 6 2 PN17K PN17J...

Page 39: ...6 Exploded View and Parts List 6 1 1 Front Cover CRT Ass y PN17KT JT PN17K PN17J 6 3...

Page 40: ...6 1 2 Chassis Stand Ass y PN17KT JT 6 Exploded View Parts List 6 4 PN17K PN17J...

Page 41: ...6 1 3 Rear Ass y PN17KT JT 6 Exploded View Parts List PN17K PN17J 6 5...

Page 42: ...6 2 1 Front Cover CRT Ass y PN17KO JO 6 Exploded View Parts List 6 6 PN17K PN17J...

Page 43: ...6 2 2 Chassis Stand Ass y PN17KO JO 6 Exploded View Parts List PN17K PN17J 6 7...

Page 44: ...6 2 3 Rear Ass y PN17KO JO 6 Exploded View Parts List 6 8 PN17K PN17J...

Page 45: ...ASTIC 16V 20TO 70CC ST H V DEF PROCESSOR IC602 1203 000165 IC POSI ADJUST REG 78R12 TO 220 3P 12V 0to IC604 1203 000001 IC POSI FIXED REG 7805 TO 220 3P PLASTIC 4 8 5 JW1 BH39 00210A CBF HARNESS DP17M...

Page 46: ...5 C313 2301 000010 C FILM PEF 100nF 5 100V TP 11 5x12 5mm 5 C401 2301 000312 C FILM PEF 8 2nF 5 100V TP 6x12 5mm 5mm C402 2305 000665 C FILM MPEF 100nF 5 63V TP 7 5x4 0x5 0mm C403 2301 000148 C FILM...

Page 47: ...5 C613 2201 000129 C CERAMIC DISC 0 1nF 10 1kV Y5P TP 7x4 5 C614 2201 000019 C CERAMIC DISC 10nF 80 20 500V Y5V TP 13 5x4mm 5 C615 2201 000291 C CERAMIC DISC 1nF 10 500V Y5P TP 7 5x3 5 5 C616 2201 00...

Page 48: ...DO 41 TP D610 0402 000012 DIODE RECTIFIER UF4007 1KV 1A DO 41 TP D611 0402 001194 DIODE RECTIFIER UG2D 200V 2A DO 204AC TP D612 0402 000274 DIODE RECTIFIER UF4004 400V 1A DO 41 TP D614 0402 000546 DI...

Page 49: ...5U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 SNA JP33 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 SNA JP34 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 SNA JP35 BH39 40305U CBF HARNESS 52MM AWG22...

Page 50: ...501 0501 000143 TR SMALL SIGNAL 2N6520 PNP 625mW TO 92 TP 30 200 Q502 0501 000143 TR SMALL SIGNAL 2N6520 PNP 625mW TO 92 TP 30 200 Q503 0501 000303 TR SMALL SIGNAL KSA733 PNP 250mW TO 92 TP 120 240 Q5...

Page 51: ...1W AA TP 3 3x9mm R402 2001 000869 R CARBON 56OHM 5 1 8W AA TP 1 8X3 2MM R403 2004 001226 R METAL 750ohm 1 1 4W AA TP 2 4x6 4mm R404 2004 000498 R METAL 2 7Kohm 1 1 4W AA TP 2 4x6 4m R405 2001 000591...

Page 52: ...0643 R METAL 270Kohm 1 1 4W AA TP 2 4x6 4m R507 2004 000216 R METAL 10Kohm 1 1 4W AA TP 2 4x6 4mm R508 2002 000121 R COMPOSITION 1Mohm 10 1 2W AA TP 3 5x9 5mm R509 2002 000121 R COMPOSITION 1Mohm 10 1...

Page 53: ...ohm TP ZD201 0403 000361 DIODE ZENER UZ6 2BSB 6 2V 5 99 6 24V 500mW ZD202 0403 000361 DIODE ZENER UZ6 2BSB 6 2V 5 99 6 24V 500mW ZD203 0403 000361 DIODE ZENER UZ6 2BSB 6 2V 5 99 6 24V 500mW ZD204 0403...

Page 54: ...BH99 00010A ASSY HEAT SINK HS TR SPRING IRF634A OIL SILICON SNA CIS BH61 00004A SPRING TR CDA CDB SUS304 T0 5 SNA CIS BH62 00016A HEAT SINK TR A1050S T1 0 DP17MO SNA HS409 BH99 10019U ASSY HEAT SINK H...

Page 55: ...AMIC DISC 1nF 10 500V Y5P TP 7 5x3 5 5 C120 2201 000285 C CERAMIC DISC 1nF 10 1kV Y5P TP 8x5 5 C121 2202 002009 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V TP 2 3X3 C123 2201 000019 C CERAMIC DISC 10nF 80...

Page 56: ...SNA JP122 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 SNA JP123 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 SNA JP124 BH39 40305U CBF HARNESS 52MM AWG22 0 6PI AWG22 0 SNA JP127 BH39 40305U...

Page 57: ...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...

Page 58: ...5 1 8W AA TP 1 8X3 2MM RB08 2001 000019 R CARBON S 10OHM 5 1 2W AA TP 2 4X6 4MM R526 2001 000766 R CARBON 43KOHM 5 1 8W RB13 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X3 2MM R527 2001 000786 R CARB...

Page 59: ...R 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...

Page 60: ...Memo 8 Block Diagrams 8 2 PN17K PN17J...

Page 61: ...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 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 RAS...

Page 62: ...Memo 9 Wiring Diagrams 9 2 PN17K PN17J...

Page 63: ...D403 D612 R410 C412 GT501 R211 D406 D515 C445 R455 R443 D431 C421 HS403 D408 C419 Q404 R432 R427 D405 Q423 R428 R516 R431 C425 R530 C435 R507 C408 R425 R532 R239 Q403 C417 C427 Q608 D407 C225 R527 C43...

Page 64: ...200V CH1 RMS 387 2V 7 1 00 V IC401 11 CH1 P P 1 00V CH1 RMS 3 008 V 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 10 2 00 V Q402 Gate CH1 P P 2 00 V CH...

Page 65: ...10 Schematic Diagrams PN17K PN17J 10 3 22 24 17 16 21 20 15 19 10 2 Video Part Schematic Diagram...

Page 66: ...00V CH1 RMS 2 792V 17 20 0V IC103 1 2 3 CH1 P P 20 0V CH1 RMS 40 52V 19 1 00 V IC104 6 CH1 P P 1 00V CH1 RMS 4 516V 20 1 00 V IC104 8 CH1 P P 1 00V CH1 RMS 5 024V 21 1 00 V IC101 18 19 20 CH1 P P 1 0...

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