Samsung CN17V Series Service Manual
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Samsung CN17V Series Service Manual

Tft-lcd monitor
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SERVICE
TFT-LCD MONITOR
TFT-LCD MONITOR
CN17V*
Manual
11. Panel Description
CONTENTS

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Summary of Contents for Samsung CN17V Series

  • Page 1: Table Of Contents

    TFT-LCD MONITOR CN17V* SERVICE Manual TFT-LCD MONITOR 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.

  • 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 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 4: Product Specifications

    2 Product Specifications 2-1 Specifications Item Description LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, 17-Inch viewable, 0.264 (H) x 0.264 (V) mm pixel pitch Scanning Frequency Horizontal : 30 kHz ~ 81 kHz (Automatic) Vertical : 56 Hz ~ 85 Hz (~XGA), 76 Hz (SXGA) Display Colors 16,7 Million colors Maximum Resolution...
  • Page 5 2 Product Specifications 2-2 Pin Assignments Sync 15-Pin D-Sub Signal Cable Connector Type Separate Composite Sync-on-green Pin No. Green Green Green + H/V Sync. Blue Blue Blue DDC Return (GND) DDC Return (GND) DDC Return (GND) GND-R GND-R GND-R GND-G GND-G GND-G GND-B...
  • Page 6 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 VGA2/ VGA3/ 640/75 Hz 640/85 Hz 800/75 Hz 800/85 Hz 1024/60Hz 1024/75Hz...
  • Page 7 2 Product Specifications Memo CN17V*...

  • Page 8: Disassembly & Reassembly

    3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the CN17V* TFT-LCD monitors. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1 Disassembly Cautions:1. Disconnect the monitor from the power source before disassembly. 2.
  • Page 9 3 Disassembly and Reassembly 3-2 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures. CN17V*...

  • Page 10: Alignments & Adjustments

    4 Alignments and Adjustments This section of the service manual explains how to use the DDC JIG to adjust the black, red, green, and blue levels of the FPD when you replace the AD Board, and how to update the microprocessor when you change the Panel or Lamp(s).
  • Page 11 4 Alignments and Adjustments 4-2-1 Main Menu 4-2-2 Sub Menu 4-2-2 (a) Panel Information 4-2-1 (a) Service JIG : DV17 Figure 4-3.Service JIG Menu Figure 4-4. Control JIG Menu Label Definition Label Definition Red max value Shows the red video signal max value Monitor On Time Total hours that the monitor has been actively functioning.
  • Page 12 4 Alignments and Adjustments 4-2-3 Adjustment Procedures 4-2-3 (c) When Replacing the Panel 1. Select the Read Buffer button ( ) to gather the Use the following procedures whenever you current information about this monitor. replace the AD Board, Panel, or one or both of the 2.
  • Page 13 4 Alignments and Adjustments Memo CN17V*...

  • Page 14: Troubleshooting

    5 Troubleshooting Notes: 1. Before troubleshooting, setup the PC’s display as below. • Resolution: 1280 x 1024 • H-frequency: 64 kHz • V-frequency: 60 Hz 2. If no picture appears, make sure the power cord is correctly connected. 3. Check the following circuits. •...
  • Page 15 5 Troubleshooting 5-2 No Video [Analog] Check signal cable and connection. Does the digital video signal appear at the Pin 26,27,28,29,31,32,33,34,36,37,38,39, 41,42,44,45,46,47,49, and 50 of IC302? The output of Pin 1 and 19 of IC500 is High? Check TFT-LCD panel and Inverter. Check IC500 and related circuit.
  • Page 16 5 Troubleshooting WAVEFORMS IC302 #26 IC302 #11 IC302 #22 IC302 #64 CH1 RMS = 1.323V CH1 RMS = 2.046V CH1 RMS = 4.999V CH1 RMS =2.989V IC302 #65 IC500 #30 IC500 #31 IC302 #66 CH1 RMS = 3.098V CH1 RMS =2.621 V CH1 RMS = 4.979V CH1 RMS = 4.816V IC201 #40...
  • Page 17 5 Troubleshooting 5-3 No OSD WAVEFORMS There is video but no OSD. IC400 #2 Does input signal appear at the Pin 2, 5 and Check IC400 and related circuit. 13 14 15 10 of IC400? While pushing a front control CH1 RMS = 2.462V button does any pulse appear Check IC400 and related circuit.
  • Page 18 6 Exploded View and Parts List CN17V*...

  • Page 19: Exploded View & Parts List

    6 Exploded View & Parts List Memo CN17V*...

  • Page 20: Electrical Parts List

    7 Electrical Parts List 7-1 Main PCB Parts Loc. No. Code No. Description Specification Remarks C306 2409-001004 C-ORGANIC 100uF,20%,16V,LL,BK,8x10.5mm,3 BN70-00114C SHIELD-D/SUB CN17BS,SPTE,-,T0.5,-,-,ANALOG TYPE BN46-00005Y MICOM-S/W,CN17MSF(E4) CN17MSF(E4 PANEL),-,-,-,-,-,- CN101 3701-001219 CONNECTOR-DSUB 15P,3R,FEMALE,ANGLE,AUF CN300 3722-000117 JACK-DC POWER 3P,3.5mm,AG,BLK,NO CN500 3711-001465 CONNECTOR-HEADER NOWALL,3P,1R,2.54mm,STRAIGHT,A IC500 0903-001194 IC-MICROCONTROLLER...
  • Page 21 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C240 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C241 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C242 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C243 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C244 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C245 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C246 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C247 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608...
  • Page 22 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C319 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C320 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C321 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C322 2402-001044 C-AL,SMD 100uF,20%,25V,-,TP,8.3x8.3x6.3 C323 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C324 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C325 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C326 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608...
  • Page 23 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C406 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C407 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C408 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C409 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C410 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C411 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C412 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C413 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608...
  • Page 24 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C447 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C448 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C449 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C450 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C500 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C501 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C502 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C503 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4...
  • Page 25 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks FT304 3301-001145 CORE-FERRITE BEAD AB,4.5x1.6x1.6mm,-,- FT305 3301-001145 CORE-FERRITE BEAD AB,4.5x1.6x1.6mm,-,- FT306 3301-001145 CORE-FERRITE BEAD AB,4.5x1.6x1.6mm,-,- FT307 3301-001145 CORE-FERRITE BEAD AB,4.5x1.6x1.6mm,-,- FT308 3301-001145 CORE-FERRITE BEAD AB,4.5x1.6x1.6mm,-,- FT400 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,-,100nF,3.2x1.6x1 FT401 2901-001114...
  • Page 26 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks L302 2703-001778 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM L304 2703-001778 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM L305 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm L306 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm L307 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm L308 2703-001778 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM L309 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm L310 2703-001334 INDUCTOR-SMD 1.5uH,10%,2x1.25x0.85mm...
  • Page 27 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks Q500 0501-002080 TR-SMALL SIGNAL 2SC2412K,NPN,200mW,SC-59,TP,120-270 Q501 0501-002080 TR-SMALL SIGNAL 2SC2412K,NPN,200mW,SC-59,TP,120-270 R113 2007-000092 R-CHIP 15Kohm,5%,1/16W,DA,TP,1608 R114 2007-000092 R-CHIP 15Kohm,5%,1/16W,DA,TP,1608 R115 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R116 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R117 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R126 2007-000113...
  • Page 28 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R218 2007-000090 R-CHIP 10Kohm,5%,1/16W,DA,TP,1608 R219 2007-000090 R-CHIP 10Kohm,5%,1/16W,DA,TP,1608 R220 2007-000090 R-CHIP 10Kohm,5%,1/16W,DA,TP,1608 R221 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R222 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R224 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R300 2007-000102 R-CHIP 100Kohm,5%,1/16W,DA,TP,1608 R301 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608...
  • Page 29 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R338 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R339 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 2007-000090 R-CHIP 10Kohm,5%,1/16W,DA,TP,1608 R340 2007-000077 R-CHIP 470ohm,5%,1/16W,DA,TP,1608 R341 2007-000077 R-CHIP 470ohm,5%,1/16W,DA,TP,1608 R401 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R402 2007-000120 R-CHIP 680ohm,5%,1/16W,DA,TP,1608 R403 2007-000090 R-CHIP 10Kohm,5%,1/16W,DA,TP,1608 R404...
  • Page 30 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R469 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R470 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R471 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R472 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R473 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R474 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R475 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R476 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608...
  • Page 31 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R533 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R534 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R535 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R536 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R537 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R538 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R539 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R540 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608...
  • Page 32 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks RA401 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA402 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA403 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA404 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA405 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA406 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA407 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA408 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP...
  • Page 33 7 Electrical Parts List Memo 7-14 CN17V*...

  • Page 34: Block Diagram

    8 Block Diagram CN17V*...
  • Page 35 8 Block Diagrams Memo CN17V*...

  • Page 36: Wiring Diagram

    9 Wiring Diagram CN301 INVERTER CN302 BL_CNT BL_CNT BL_ON BL_ON 14V_BL 14V_BL 14V_BL 14V_BL 14V_BL 14V_BL MAIN PCB KEY1 KEY1 CN303 KEY2 KEY2 LED_G LED_G LED_R LED_R CN101 CN100 KEY +5V KEY +5V Reserved No connection Reserved No connection CN300 FUNCTION CN17V*...
  • Page 37 9 Wiring Diagram Memo CN17V*...

  • Page 38: Schematic Diagrams

    10 Schematic Diagrams 10-1 15P D-Sub Input Part Schematic Diagram SWITCH SWITCH1 TMDS ANALOG DVI-I D-SUB CN17V* 10-1...
  • Page 39 10 Schematic Diagrams 10-2 Analog to Digital Converter Part Schematic Diagram 10-2 CN17V*...
  • Page 40 10 Schematic Diagrams IC201 #40 IC201 #41 IC201 #115 IC201 #117 CH1 RMS = 3.188V CH1 RMS =205mV CH1 RMS =1.864V CH1 RMS = 695mV CN17V* 10-3...
  • Page 41 10 Schematic Diagrams 10-3 Power & Panel Interface Part Schematic Diagram +3.3V +A3.3V +3.3V +3.3V LCD+5V 10-4 CN17V*...
  • Page 42 10 Schematic Diagrams IC302 #26 IC302 #11 IC302 #22 IC302 #64 IC302 #65 IC302 #66 CH1 RMS = 1.323V CH1 RMS = 2.046V CH1 RMS = 4.999V CH1 RMS =2.989V CH1 RMS = 3.098V CH1 RMS = 2.621V CN17V* 10-5...
  • Page 43 10 Schematic Diagrams 10-5 Scaler Part Schematic Diagram 10-6 CN17V*...
  • Page 44 10 Schematic Diagrams IC400 #2 IC400 #5 IC400 #10 CH1 RMS = 2.462V CH1 RMS = 3.163V CH1 RMS = 3.154V CN17V* 10-7...
  • Page 45 10 Schematic Diagrams 10-6 MCU Part Schematic Diagram 10-8 CN17V*...
  • Page 46 10 Schematic Diagrams IC500 #30 IC500 #31 CH1 RMS =4.979 V CH1 RMS = 4.816V CN17V* 10-9...
  • Page 47 10 Schematic Diagrams Memo 10-10 CN17V*...
  • Page 48 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 : BN68-00097L-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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