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Samsung CN17V Series, Service Manual

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Samsung CN17V Series Service Manual Download Page 17

5-4

CN17V*

5 Troubleshooting

Replace IC400.

Yes

No

There is video but no OSD.

5-3 No OSD 

While pushing a front control

button does any pulse appear 

at Pin 12 of IC400?

WAVEFORMS

Does input signal appear 

at the Pin 2, 5 and 

10 of IC400?

Check IC400 and related circuit.

Check IC400 and related circuit.

Yes

No

13 14 15

13

IC400 #2

CH1 RMS = 2.462V

14

IC400 #5

CH1 RMS = 3.163V

15

IC400 #10

CH1 RMS = 3.154V

Summary of Contents for CN17V Series

Page 1: ...NITOR CONTENTS 1 Precautions 2 Product Specifications 3 Disassembly Reassembly 4 Alignments Adjustments 5 Troubleshooting 6 Exploded View Parts List 7 Electrical Parts List 8 Block Diagram 9 Wiring Diagram 10 Schematic Diagrams 11 Panel Description ...

Page 2: ...uit 4 With the unit completely reassembled plug the AC line cord directly into a 120V AC outlet With the unit s AC switch first in the ON position and then OFF measure the current between a known earth ground metal water pipe conduit etc and all exposed metal parts including metal cabinets screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the power plug pron...

Page 3: ...power switch ON Connect an insulation resistance meter 500 V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 6 Always connect a test instrument s ground lead to the instrument chassis ground before connecting the positive lead always remove the instrument s ground lead last 6 Do not r...

Page 4: ...0 V V low 0 8 V Sync on Green 0 25 V Maximum Pixel Clock rate 135 MHz Active Display Horizontal Vertical 338 3 mm 270 3 mm AC power voltage Frequency AC 90 264 Volts 60 50 Hz 3 Hz Power Consumption 42 W max 40W normal Dimensions Unit W x D x H 17 32 x 8 66 x 18 05 Inches 440 x 220 x 458 5 mm Carton W x D x H 22 79 x 22 4 x 12 24 Inches 579 x 569 x 311 mm Weight Net Gross 8 0 kg 17 6 lbs 10 2 kg 22...

Page 5: ...n GND GND R GND G GND B DDC Power Input 5V Self Raster GND Bi Dr Data SDA H Sync V Sync DDC Clock SCL Red Green Blue GND DDC Return GND GND R GND G GND B DDC Power Input 5V Self Raster GND Bi Dr Data SDA H V Sync Not Used DDC Clock SCL Red Green H V Sync Blue GND DDC Return GND GND R GND G GND B DDC Power Input 5V Self Raster GND Bi Dr Data SDA Not Used Not Used DDC Clock SCL Sync on green ...

Page 6: ...219 2 235 13 003 0 203 75 029 13 328 0 050 0 466 12 795 0 017 78 750 Positive Positive Separate 31 469 31 777 3 813 1 589 26 058 0 318 70 087 14 268 0 064 0 858 13 155 0 191 28 322 Negative Positive Separate fH kHz A µsec B µsec C µsec D µsec E µsec fV Hz O msec P msec Q msec R msec S msec Clock Freq MHz Polarity H Sync V Sync Remark IBM 640 75 Hz 640 x 480 640 85 Hz 640 x 480 800 75 Hz 800 x 600 ...

Page 7: ...2 Product Specifications 2 4 CN17V Memo ...

Page 8: ...nd the CN303 connector on the Main PCB 9 Disconnect 4 Inverter wires between the Panel and the CN2 3 4 5 connectors on the Inverter PCB and disconnect the 12P harness between CN1 connector on the inverter and CN302 connector on the Main PCB 10 Carefully lift the Main PCB Assembly and Inverter PCB and place them on a flat level surface that is protected from static electricity 11 Remove 6 screws on...

Page 9: ...3 Disassembly and Reassembly 3 2 CN17V 3 2 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures ...

Page 10: ... Windows 95 Windows 98 or Windows NT DV17AS exe software DDC Control JIG 4 2 Using the DDC Control JIG After replacing the LCD Panel Lamp s and or AD Board use the DDC Control JIG to complete your service Attach the DDC Control JIG to the flat panel display FPD as shown in the diagrams below MONITOR INTERFACE BOARD VER 2 0 PC SIGNAL GENERATOR 3 WIRE CABLE SIGNAL CABLE 5V DC ADAPTOR PARALLEL CABLE ...

Page 11: ...x value Shows the red video signal max value Green max value Shows the green video signal max value Blue max value Shows the blue video signal max value Red min value Shows the red video signal min value Green min value Shows the green video signal min value Blue min value Shows the blue video signal min value Color Automatical screen contrast setting Auto Adjustment Red gain control Adjusts the r...

Page 12: ...e display 4 If you want to check each color value click the button from to and from to 4 2 3 c When Replacing the Panel 1 Select the Read Buffer button to gather the current information about this monitor 2 Increment the number by clicking on the button on the Panel row in the Change No column If they were not already 00 the numbers for the Upper and Lower Lamps will automatically change to 00 3 C...

Page 13: ...Memo 4 Alignments and Adjustments 4 4 CN17V ...

Page 14: ...in PCB 14V develop but no screen Main PCB 14V does not develop Main PCB 4 If you push and hold the EXIT button for more than 5 seconds the monitor automatically turns back to the factory preset 5 1 No Power Does proper DC 14 V appear at DC jack connected to CN300 Check Power Adaptor Yes No Does proper DC 5 V appear at Pin 4 of IC300 Check IC300 and related circuit Yes No Does proper 5 V signal app...

Page 15: ...V COAST Yes During power on off does the input signal appear at the Pin29 and 30 of IC201 AD SDA_B AD SCL_B Do the clock and Sync signal appear at Pin115 and 117 of IC 201 ACLK AHS_Z4 and does the digital video signal appear at the output port RA200 RA211 Yes During power on off dose the input signal appear at the R546 and R547 Z4_SDA_A Z4_SCL_A Yes 9 10 11 12 2 3 4 5 7 8 Does the digital video si...

Page 16: ...1 RMS 1 323V CH1 RMS 2 046V IC302 65 CH1 RMS 3 098V IC302 66 CH1 RMS 2 621 V IC500 30 CH1 RMS 4 979V IC500 31 CH1 RMS 4 816V IC201 40 CH1 RMS 1 188V IC201 41 CH1 RMS 205mV IC201 115 CH1 RMS 1 864V IC201 117 CH1 RMS 695mV IC302 11 IC302 22 CH1 RMS 4 999V IC302 64 CH1 RMS 2 989V ...

Page 17: ...ushing a front control button does any pulse appear at Pin 12 of IC400 WAVEFORMS Does input signal appear at the Pin 2 5 and 10 of IC400 Check IC400 and related circuit Check IC400 and related circuit Yes No 13 14 15 13 IC400 2 CH1 RMS 2 462V 14 IC400 5 CH1 RMS 3 163V 15 IC400 10 CH1 RMS 3 154V ...

Page 18: ...CN17V 6 1 6 Exploded View and Parts List ...

Page 19: ...6 Exploded View Parts List 6 2 CN17V Memo ...

Page 20: ...C122 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 C123 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C124 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C125 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C126 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 C127 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C225 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C226 2...

Page 21: ...IC CHIP 47nF 10 16V X7R TP 1608 C260 2203 000972 C CERAMIC CHIP 47nF 10 16V X7R TP 1608 C261 2203 000972 C CERAMIC CHIP 47nF 10 16V X7R TP 1608 C265 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C266 2402 001042 C AL SMD 100uF 20 16V GP TP 6 6x6 6x5 4mm C267 2203 000815 C CERAMIC CHIP 0 033nF 5 50V NP0 TP 1608 C300 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C301 2203 005005 C CERAMIC...

Page 22: ... 20 16V GP TP 4 3x4 3x5 4 C339 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C340 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C341 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C342 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C343 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C344 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C345 2203 005005 C CERAMIC CHIP 10...

Page 23: ... 3V WT TP 10 3x10 3x10 3mm 9 C426 2409 001029 C ORGANIC 120uF 20 6 3V WT TP 10 3x10 3x10 3mm 9 C427 2203 000280 C CERAMIC CHIP 0 01nF 0 5pF 50V NP0 TP 1608 C428 2203 000384 C CERAMIC CHIP 0 015nF 5 50V NP0 TP 1608 C429 2203 000626 C CERAMIC CHIP 0 022nF 5 50V NP0 TP 1608 C430 2203 000626 C CERAMIC CHIP 0 022nF 5 50V NP0 TP 1608 C431 2203 000455 C CERAMIC CHIP 1nF 5 50V NP0 TP 2012 C432 2402 000176...

Page 24: ...01 001056 DIODE SWITCHING MMBD4148SE 75V 600mA SOT 23 TP D115 0401 001056 DIODE SWITCHING MMBD4148SE 75V 600mA SOT 23 TP D116 0401 001056 DIODE SWITCHING MMBD4148SE 75V 600mA SOT 23 TP D117 0401 001056 DIODE SWITCHING MMBD4148SE 75V 600mA SOT 23 TP D118 0401 001056 DIODE SWITCHING MMBD4148SE 75V 600mA SOT 23 TP D119 0401 001056 DIODE SWITCHING MMBD4148SE 75V 600mA SOT 23 TP D300 0402 001098 DIODE ...

Page 25: ...570mW FlatPan IC300 1203 001448 IC POSI FIXED REG 2596 TO 263 5P PLASTIC 4 750 IC302 1205 001870 IC TRANSMITTER DS90C387VJD QFP 100P 550MIL PLASTIC 3 6V 2 8W 10to 70C TR DualPixelLVDS IC303 1203 001447 IC POSI FIXED REG 2596 TO 263 5P PLASTIC 3 135 IC305 1203 001488 IC POSI FIXED REG 7805 T0 252 3P PLASTIC 4 8 5 IC400 BN09 00001A IC OSD PROCESSOR LCD MTV121P 31 16P IC401 1003 001349 IC LCD CONTROL...

Page 26: ...NDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L324 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L325 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L326 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L327 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L328 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L329 2703 001334 INDUCTOR SMD 1 5uH 10 2x1 25x0 85mm L330 2703 001778 INDUCTOR SMD 3 3UH 20 3 2X2 5X...

Page 27: ...TP 1608 R147 2007 000116 R CHIP 120ohm 5 1 16W DA TP 1608 R148 2007 001114 R CHIP 680Kohm 5 1 16W DA TP 1608 R149 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R151 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R153 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R154 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R155 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R156 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 ...

Page 28: ...1608 R316 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 R317 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 R318 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R319 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R320 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R321 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R322 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R323 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R324 20...

Page 29: ...HIP 0ohm 5 1 16W DA TP 1608 R434 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R435 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R436 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R437 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R438 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R439 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R440 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R441 2007 000090 R CHIP 10Kohm 5 1 1...

Page 30: ...CHIP 4 7Kohm 5 1 16W DA TP 1608 R511 2007 000076 R CHIP 330ohm 5 1 16W DA TP 1608 R512 2007 000076 R CHIP 330ohm 5 1 16W DA TP 1608 R513 2007 001002 R CHIP 510ohm 5 1 16W DA TP 1608 R514 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R515 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R516 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R517 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R518 2007 0000...

Page 31: ...R CHIP 100ohm 5 1 16W DA TP 1608 R553 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R554 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R555 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R556 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R557 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R560 2007 000109 R CHIP 1Mohm 5 1 16W DA TP 1608 R561 2007 000075 R CHIP 220ohm 5 1 16W DA TP 1608 RA200 2011 00000...

Page 32: ...AAN 20PF 50OHM TP ZD103 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD104 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD108 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD109 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD110 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD500 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 7 Electrical Parts Lis...

Page 33: ...7 Electrical Parts List 7 14 CN17V Memo ...

Page 34: ...CN17V 8 1 8 Block Diagram ANALOG PC DRAM OSD Scaller gmZ4S ADC PLL AD9884 FMS 9884 LCD Panel I F CLOCK MCU Setup Data User I F User Key Back Light Control Power Sequence Control ...

Page 35: ...8 Block Diagrams 8 2 CN17V Memo ...

Page 36: ...CL DDC_SDA AGND RX1 RX1 AGND AGND AGND AGND AGND RX2 RX2 CN101 13 14 15 16 17 18 19 20 21 22 23 24 RX0 AGND AGND AGND AGND RXC RXC RX0 SELF RASTER_D AGND DDC POWER INPUT 5V CONNECTION SIGNAL OUTPUT 5V 1 2 10 3 4 5 6 7 8 9 GND GND GND NC SELF TEST GND GND CN100 11 12 13 14 15 GND H_SYNC DDC_DATA RED BLUE GREEN 1 2 3 IN 14V IN 14V GND CN300 DDC_CLK V_SYNC KEY1 LED_G KEY2 LED_R GND KEY 5V 5V GND 5V 5...

Page 37: ...Memo 9 Wiring Diagram 9 2 CN17V ...

Page 38: ...CN17V 10 1 10 Schematic Diagrams 10 1 15P D Sub Input Part Schematic Diagram TMDS DVI I L SWITCH1 D SUB H L SWITCH ANALOG H ...

Page 39: ...10 Schematic Diagrams 10 2 CN17V 10 2 Analog to Digital Converter Part Schematic Diagram 11 12 10 9 ...

Page 40: ...10 Schematic Diagrams CN17V 10 3 9 IC201 40 CH1 RMS 3 188V 10 IC201 41 CH1 RMS 205mV 11 IC201 115 CH1 RMS 1 864V 12 IC201 117 CH1 RMS 695mV ...

Page 41: ...10 Schematic Diagrams 10 4 CN17V 10 3 Power Panel Interface Part Schematic Diagram 3 3V 3 3V LCD 5V A3 3V 3 3V 5 4 6 1 2 3 ...

Page 42: ...10 Schematic Diagrams CN17V 10 5 1 IC302 26 CH1 RMS 1 323V 2 IC302 11 CH1 RMS 2 046V 3 IC302 22 CH1 RMS 4 999V 4 IC302 64 CH1 RMS 2 989V 5 IC302 65 CH1 RMS 3 098V 6 IC302 66 CH1 RMS 2 621V ...

Page 43: ...10 Schematic Diagrams 10 6 CN17V 10 5 Scaler Part Schematic Diagram 13 14 15 ...

Page 44: ...10 Schematic Diagrams CN17V 10 7 13 IC400 2 CH1 RMS 2 462V 14 IC400 5 CH1 RMS 3 163V 15 IC400 10 CH1 RMS 3 154V ...

Page 45: ...10 Schematic Diagrams 10 8 CN17V 10 6 MCU Part Schematic Diagram 7 8 ...

Page 46: ...10 Schematic Diagrams CN17V 10 9 7 IC500 30 CH1 RMS 4 979 V 8 IC500 31 CH1 RMS 4 816V ...

Page 47: ...10 Schematic Diagrams 10 10 CN17V Memo ...

Page 48: ... City Kyungki Do Korea Tel 82 31 200 7920 Fax 82 31 200 7802 Printed in Korea P N BN68 00097L 00 http www samsungmonitor com SyncMaster Worldwide http www samsung monitor com SyncMaster USA http www samtron com SAMTRON Worldwide http www sec co kr monitor Korea ...

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