Samsung CN15VS Service Manual
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Samsung CN15VS Service Manual

Samsung CN15VS Service Manual

Tft-lcd monitor
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SERVICE
TFT-LCD MONITOR
AUTO
AUTO
EXIT
EXIT
AUTO
AUTO
EXIT
EXIT
CN15VO
TFT-LCD MONITOR
CN15V*
MENU
MENU
MENU
MENU
Manual
CONTENTS
10. Panel Description

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Summary of Contents for Samsung CN15VS

  • Page 1: Table Of Contents

    2. Product Specifications 3. Disassembly & Reassembly 4. Troubleshooting AUTO AUTO EXIT EXIT MENU MENU 5. Exploded View & Parts List CN15VS 6. Electrical Parts List 7. Block Diagram 8. Wiring Diagram 9. Schematic Diagrams AUTO AUTO EXIT EXIT MENU MENU 10.

  • Page 2: Precautions

    1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1-1-1 Warnings For continued safety, do not attempt to modify the (READING SHOULD circuit board. NOT BE ABOVE 0.5mA) Disconnect the AC power and DC Power Jack before servicing.

  • Page 3: Product Specifications

    2 Product Specifications 2-1 Specifications Item Description LCD Panel TFT-LCD panel, RGB vertical stripe, normaly white, 15-Inch viewable, 0.297 (H) x 0.297 (V) pixel pitch Scanning Frequency Horizontal : 30 kHz ~ 61 kHz (Referring to Timing chart, Page 2-3, 2-4) Vertical : 50 Hz ~ 75 Hz (Referring to Timing chart, Page 2-3, 2-4) Display Colors 16,003,008 colors...

  • Page 4: Disassembly & Reassembly

    3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the CN15V* monitor. WARNING: This monitor contains electrostatically sensitive devices. Use with caution when handling these components. 3-1 Disassembly Cautions:1. Disconnect the monitor from the power source before disassembly. 2.

  • Page 5: Troubleshooting

    4 Troubleshooting Notes: 1. Before troubleshooting, setup the PC’s display as below. • Resolution: 1024 x 768 • H-frequency: 48 kHz • V-frequency: 60 Hz 2. If no picture appears, make sure the power cord is correctly connected. 3. Check the following circuits. •...

  • Page 6: Exploded View & Parts List

    5 Exploded View and Parts List 5-1 Simple Base CN15V*...

  • Page 7: Cn15Vs

    6 Electrical Parts List 6-1 Main PCB Parts Loc. No. Code No. Description Specification Remarks 3704-001071 SOCKET-IC 42P,DIP,SN,1.778mm BN70-00018A SHIELD-D/SUB RN15AS,SPTE,0.5,-,- BN46-00007M MICOM-S/W,NILL(L01) NILL(L01),-,-,-,-,-,- CN101 3722-000117 JACK-DC POWER 3P,3.5mm,AG,BLK,NO CN102 3701-001160 CONNECTOR-DSUB 15P,3R,FEMALE,ANGLE,AU15U IC301 0903-001194 IC-MICROCONTROLLER 3P863,8Bit,SDIP,42P,600MIL,12MHz,ST,CMOS,PLASTIC,5V,-,-40to+85C,1040BYTE,48KBYTE BD181 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm BD182 2703-001334...

  • Page 8: Block Diagram

    7 Block Diagram CN15V*...

  • Page 9: Wiring Diagram

    8 Wiring Diagram 20~19 18~17 16~15 14 13~12 11 10~9 CN15V*...

  • Page 10: Schematic Diagrams

    9 Schematic Diagrams 9-1 Power Scaler Part Schematic diagram +3.3V_S IC105 #44 +3.3V_S PC_VSYNC_IN PC_HSYNC_IN +3.3V_S CH1 RMS= 1.780V IC105 #43 HDATA1 HDATA2 HCLK HDATA3 RESETn HDATA0 PC_RED_IN PC_GREEN_IN CH1 RMS= 4.060V PC_BLUE_IN IC105 #150 +3.3V_S CH1 RMS= 3.428V IC105 #46,47,55,56,63,64 CH1 RMS= 2.2V CN15V*...
  • Page 11 9 Schematic Diagrams 9-2 LVDS Part Schematic diagram CN201 #3, 16 CH1 RMS= 1.214V CN15V*...
  • Page 12 9 Schematic Diagrams 9-3 Micom Part Schematic diagram +12V_IN CN15V*...
  • Page 13 9 Schematic Diagrams Memo CN15V*...
  • Page 14 8 Wiring Diagram Memo CN15V*...
  • Page 15 7 Block Diagrams Memo CN15V*...
  • Page 16 6 Electrical Parts List Loc. No. Code No. Description Specification Remarks C167 2203-000626 C-CERAMIC,CHIP 0.022nF,5%,50V,NP0,TP,1608 C168 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 C169 2203-000236 C-CERAMIC,CHIP 0.1nF,5%,50V,NP0,TP,1608 C170 2203-000384 C-CERAMIC,CHIP 0.015nF,5%,50V,NP0,TP,1608 C171 2203-000384 C-CERAMIC,CHIP 0.015nF,5%,50V,NP0,TP,1608 C172 2203-000384 C-CERAMIC,CHIP 0.015nF,5%,50V,NP0,TP,1608 C173 2203-000280 C-CERAMIC,CHIP 0.01nF,0.5pF,50V,NP0,TP,1608 C211 2402-000108 C-AL,SMD 10uF,20%,16V,WT,TP,4.3x4.3x5.4...
  • Page 17 6 Electrical Parts List Loc. No. Code No. Description Specification Remarks R107 2007-000090 R-CHIP 10Kohm,5%,1/16W,DA,TP,1608 R108 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R113 2007-001167 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R114 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R115 2007-001167 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R117 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R118 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R119 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608...
  • Page 18 6 Electrical Parts List Loc. No. Code No. Description Specification Remarks R913 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R973 2007-000075 R-CHIP 220ohm,5%,1/16W,DA,TP,1608 R974 2007-000120 R-CHIP 680ohm,5%,1/16W,DA,TP,1608 R975 2007-000090 R-CHIP 10Kohm,5%,1/16W,DA,TP,1608 R976 2007-000090 R-CHIP 10Kohm,5%,1/16W,DA,TP,1608 RA130 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA131 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA132 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP...
  • Page 19 5 Exploded View & Parts List 5-2 Multi Media Base CN15V*...
  • Page 20 5 Exploded View & Parts List 5-3 Pivot-MultiMedia Base CN15V*...
  • Page 21 5 Exploded View & Parts List 5-4 Angle-Pivot Base CN15V*...
  • Page 22 5 Exploded View & Parts List 5-5 Wire-Frame Base CN15V*...
  • Page 23 5 Exploded View & Parts List Memo CN15V*...
  • Page 24 4 Troubleshooting 4-2 No Video Power indicator is green Does the clock pulse Does the H-sync pulse appear Check CN102. appear at Pin 44 of IC105? at Pin 150 of IC105? Replace IC105. Do the sync pulses Replace IC105 or check its appear at Pin 43 of IC105? related circuit.
  • Page 25 4 Troubleshooting 4-3 User Controls Don’t Work Does the DC level change at Check the buttons. Pin 35 and 36 of IC311 when you (SW801~SW808) push the front panel button? Refer to 4-4 No OSD Display. 4-4 No OSD There is video but no OSD. IC105 #46,47,55,56,63,64 While pushing a front control button does Do sync signals appear at Pin 44,...
  • Page 26 4 Troubleshooting 4-6 Microphones Don’t Work Does the PC’s sound Check the PC’s sound program program operate well? and compatibility. Is the connection between the PC Connect the cable between the PC and monitor secure? and monitor. Check the connection between Is the Internal Microphone CN808 on the Audio PCB and the connector attached?
  • Page 27 8. Remove 5 stopper hings from the Bracket Bottom. 9. Remove the Stand Base from the Stand Assembly. 3-2 Replacement Order of Lamp Assemblies (CN15VS/CN15VO : Samsung Panel) (CN15VS/CN15VO : TORISAN Panel) 1. After confirm there is nothing on the disk...
  • Page 28 3 Disassembly and Reassembly 3. Please take out the lamp unit from 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.
  • Page 29 3 Disassembly and Reassembly Memo CN15V*...

  • Page 30: Pin Assignments

    2 Product Specifications 2-2 Pin Assignments Sync 15-Pin Signal Cable Connector Type Separate Composite Sync-on-green Pin No. Green Green Green + H/V Sync. Blue Blue Blue GND (DDC Return) GND (DDC Return) GND (DDC Return) GND-R GND-R GND-R GND-G GND-G GND-G GND-B GND-B...

  • Page 31: 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 VGA1/70 Hz VGA3/60 Hz VGA2/70 Hz 800/60 Hz 640/72 Hz 640/75 Hz 800/56 Hz...
  • Page 32 2 Product Specifications Table 2-1. Timing Chart Continued Mode VESA MAC. 1024/60Hz 1024/70Hz 1024/75Hz 640/67 Hz 832/75 Hz 800/72 Hz 800/75 Hz 640 x 480 832 x 624 1024x768 1024x768 1024x768 800 x 600 800 x 600 Timing fH (kHz) 35.000 49.726 48.077...

  • Page 33: Servicing Precautions

    1 Precautions 1-2 Servicing Precautions WARNING: An electrolytic capacitor installed with the wrong polarity might explode. Caution: Before servicing units covered by this service manual, read and follow the Safety Precautions section of this manual. Note: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions.
  • Page 34 Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Paldal-Gu, Suwon 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)

This manual is also suitable for:

Cn15voCn15v series

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