Samsung CN15V Series Service Manual Download Page 1

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TFT-LCD MONITOR

CN15V*

Manual

SERVICE

TFT-LCD MONITOR

CONTENTS

EXIT

AUTO

EXIT

AUTO

1. Precautions

2. Product Specifications

3. Disassembly & Reassembly

4. Troubleshooting

5. Exploded View & Parts List

6. Electrical Parts List

7. Block Diagram

8. Wiring Diagram

9. Schematic Diagrams

10. Panel Description

EXIT

AUTO

EXIT

AUTO

CN15VS

CN15VO

Summary of Contents for CN15V Series

Page 1: ... AUTO EXIT MENU AUTO 1 Precautions 2 Product Specifications 3 Disassembly Reassembly 4 Troubleshooting 5 Exploded View Parts List 6 Electrical Parts List 7 Block Diagram 8 Wiring Diagram 9 Schematic Diagrams 10 Panel Description EXIT MENU AUTO EXIT MENU AUTO CN15VS CN15VO ...

Page 2: ...for Appliances and Underwriters Laboratories UL Publication UL1410 59 7 Figure 1 1 Leakage Current Test Circuit 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 s...

Page 3: ...W normal Dimensions Unit Weight incl Carton Unit W x D x H with Standard base 385 4 x 364 7 x 173 mm 5 20kg 8 4kg MultiMedia base 385 4 x 406 2 x 179 mm 5 95kg 9 6kg Pivot MM base 385 4 x 406 2 x 179 mm 5 95kg 9 6kg Angle Pivot base 385 4 x 431 6 x 179 9 mm 6 6kg 9 8kg Wire frame base 385 4 x 339 2 x 79 7 mm 4 4kg 7 6kg Carton W x D x H 500 x 260 x 457 mm Environmental Considerations Operating Tem...

Page 4: ...Stand Rear from the Stand assembly 6 Remove 5 screws on the Vesa Brkt from the Stand assembly 7 Remove cover hinge from the Stand assembly 8 Remove Stand Base from the Stand assembly 3 1 4 Pivot Multi media Stand Disassembly option 1 Stand the stand assembly with the base close to you 2 Remove 4 screws on the back cover of the stand and remove it 3 Stand the stand assembly upside down 4 Remove 4 s...

Page 5: ...wing circuits No raster appears Audio PCB SMPS PCB Main PCB 12V develop but no screen Main PCB 12V does not develop Audio PCB SMPS PCB 4 If you push and hold the EXIT button for more than 5 seconds the monitor automatically turns back to the factory preset 4 1 No Power Does proper DC 12 V appear at DC jack connected to CN101 Check SMPS or CN809 Yes No Does proper DC 3 3 V appear at Pin 4 of IC104 ...

Page 6: ...CN15V 5 1 5 Exploded View and Parts List 5 1 Simple Base 20 ...

Page 7: ... CHIP 10nF 10 50V X7R TP 1608 C134 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 C135 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 C136 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R TP 1608 C137 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C138 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C139 2402 000108 C AL SMD 10uF 20 16V WT TP 4 3x4 3x5 4 C140 2402 000108 C AL SMD 10uF 2...

Page 8: ...CN15V 7 1 7 Block Diagram ...

Page 9: ...CN15V 8 1 8 Wiring Diagram 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 ...

Page 10: ... diagram 3 3V_S 3 3V_S 3 3V_S 3 3V_S PC_HSYNC_IN PC_VSYNC_IN HDATA1 HDATA2 HCLK HDATA3 RESETn HDATA0 HFS PC_RED_IN PC_GREEN_IN PC_BLUE_IN 2 1 5 3 1 IC105 44 CH1 RMS 1 780V IC105 150 CH1 RMS 3 428V IC105 43 CH1 RMS 4 060V 2 IC105 46 47 55 56 63 64 CH1 RMS 2 2V 5 3 ...

Page 11: ...9 Schematic Diagrams 9 2 CN15V 9 2 LVDS Part Schematic diagram 4 4 CN201 3 16 CH1 RMS 1 214V ...

Page 12: ...9 Schematic Diagrams CN15V 9 3 9 3 Micom Part Schematic diagram 12V_IN VCC ...

Page 13: ...9 Schematic Diagrams 9 4 CN15V Memo ...

Page 14: ...Memo 8 Wiring Diagram 8 2 CN15V ...

Page 15: ...7 Block Diagrams 7 2 CN15V Memo ...

Page 16: ...SN SNA CN302 3711 002049 CONNECTOR HEADER BOX 6P 1R 1 25mm SMD A SN SNA D101 0402 000553 DIODE RECTIFIER SS24 40V 2 0A DO 214AA D131 0401 001056 DIODE SWITCHING MMBD4148SE 75V 600mA SOT 23 TP D132 0401 001056 DIODE SWITCHING MMBD4148SE 75V 600mA SOT 23 TP D133 0401 001056 DIODE SWITCHING MMBD4148SE 75V 600mA SOT 23 TP D301 0401 001056 DIODE SWITCHING MMBD4148SE 75V 600mA SOT 23 TP D302 0401 001056...

Page 17: ...000074 R CHIP 100ohm 5 1 16W DA TP 1608 R336 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R337 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R338 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R339 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R340 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R341 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R343 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R344 2...

Page 18: ...PF 50OHM TP ZD181 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD182 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD183 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD184 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD185 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 6 Electrical Parts List 6 4 CN15V Loc No Code No Description Specification Remarks CIS B...

Page 19: ...5 Exploded View Parts List 5 2 CN15V 5 2 Multi Media Base ...

Page 20: ...5 Exploded View Parts List CN15V 5 3 5 3 Pivot MultiMedia Base ...

Page 21: ...5 Exploded View Parts List 5 4 CN15V 5 4 Angle Pivot Base ...

Page 22: ...5 Exploded View Parts List CN15V 5 5 5 5 Wire Frame Base 20 ...

Page 23: ...5 Exploded View Parts List 5 6 CN15V Memo ...

Page 24: ...r at Pin 150 of IC105 Replace IC105 or check its related circuit Replace IC251 or check its related circuit No Do the sync pulses appear at Pin 43 of IC105 Yes Yes Yes No No 3 2 Do the waveforms appeaer at Pin 3 and 16 of CN201 4 Replace LCD Panel Yes WAVEFORMS 1 1 IC105 44 CH1 RMS 1 780V IC105 150 CH1 RMS 3 428V IC105 43 CH1 RMS 4 060V 4 CN201 3 16 CH1 RMS 1 214V 2 3 ...

Page 25: ... Yes 4 3 User Controls Don t Work No Does the DC level change at Pin 35 and 36 of IC311 when you push the front panel button Check the buttons SW801 SW808 Yes Refer to 4 4 No OSD Display 4 4 No OSD There is video but no OSD While pushing a front control button does any pulse appear at Pin 46 47 and 55 56 and 63 64 of IC105 5 No Do sync signals appear at Pin 44 150 and 43 of IC105 1 Replace IC105 3...

Page 26: ...etween the PC and monitor secure Connect the cable between the PC and monitor Yes OK No Can you hear any sound from the Headphones Check CN802 on the Audio PCB and related circuit D805 D806 R811 and R812 Yes No Is the Internal Microphone connector attached Check the connection between CN808 on the Audio PCB and the Internal Microphone Yes No Does the Internal Microphone work Check Q801 and related...

Page 27: ...e the Stand Base from the Stand Assembly 3 1 6 Wire frame stand Disassembly option 1 Carefully pull the cover hinge 2 Remove the cover vesa from the Stand assembly 3 Remove 4 screws on the assembly Bracket assembly 3 Disassembly and Reassembly 3 2 CN15V 1 After confirm there is nothing on the disk Turn the LCD module over and put it on a flat desk set to the ground 3 2 Replacement Order of Lamp As...

Page 28: ...the LCD module 4 Please fix the new lamp units on the LCD module opposite process 2 and 3 Replacement of lamp unit should be done at the power off state and recommanded clean bench condition 3 3 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures ...

Page 29: ...Memo 3 Disassembly and Reassembly 3 4 CN15V ...

Page 30: ...d Green Blue GND GND DDC Return GND R GND G GND B No Connection GND Sync Self Test GND DDC Data H Sync V Sync DDC Clock Red Green Blue GND GND DDC Return GND R GND G GND B No Connection GND Sync Self Test GND DDC Data H V Sync Not Used DDC Clock Red Green H V Sync Blue GND GND DDC Return GND R GND G GND B Not Used GND Sync Self Test GND DDC Data Not Used Not Used DDC Clock ...

Page 31: ...rch R Active time E Front porch S Front porch VGA3 60 Hz 640 x 480 640 72 Hz 640 x 480 640 75Hz 640x480 800 56 Hz 800 x 600 800 60 Hz 800 x 600 VGA1 70 Hz 640 x 350 VGA2 70 Hz 720 x 400 Table 2 1 Timing Chart 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 31 469 31 778 3 813 1 589 26 058 0 318 59 940 16 683 0 064 0 794 15 761 0 064 2...

Page 32: ...te 49 726 20 110 1 117 3 910 14 524 0 559 74 551 13 414 0 060 0 784 12 549 0 020 57 284 Negative Negative Separate Mode MAC Timing Q R S P O Video Sync Sync Horizontal Vertical C D E P O B A Video Sync Sync Separate Sync C D A O E B P Video Sync Sync Video Q R S A Line time total B Horizontal sync width O Frame time total P Vertical sync width C Back porch D Active time Q Back porch R Active time ...

Page 33: ...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 34: ... City Kyungki Do Korea Tel 82 31 200 7920 Fax 82 31 200 7802 Printed in Korea P N BN68 00097K 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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