ViewSonic VP2000s VLCDS26064-4W Service Manual
  1. Manuals
  2. Brands
  3. ViewSonic Manuals
  4. Monitor
  5. VLCDS26064-4W
  6. Service manual
ViewSonic VP2000s VLCDS26064-4W Service Manual

ViewSonic VP2000s VLCDS26064-4W Service Manual

20" color tft lcd display
Hide thumbs Also See for VP2000s VLCDS26064-4W:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Service Manual, User Manual

Service Manual

ViewSonic VP2000s
Model No.
VLCDS26064-4W
20" Color TFT LCD Display
(VP2000s_SM_892 Rev. 1a July 2004)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the VP2000s VLCDS26064-4W and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for ViewSonic VP2000s VLCDS26064-4W

Summary of Contents for ViewSonic VP2000s VLCDS26064-4W

  • Page 1: Service Manual

    Service Manual ViewSonic VP2000s Model No. VLCDS26064-4W 20" Color TFT LCD Display (VP2000s_SM_892 Rev. 1a July 2004) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...

  • Page 2: Revision History

    Further, ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes.

  • Page 3: Table Of Contents

    4. Circuit Description 5. Adjusting Procedure 6. Trouble Shooting Flow Chart 7. Recommended Spare Parts List 8. Exploded Diagram And Spare Parts List 9. Block Diagram 10. Schematic Diagrams 11. PCB Layout Diagrams Confidential - Do Not Copy ViewSonic Corporation VP2000s...

  • Page 4: Precautions And Safety Notices

    The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should never be placed near or over a radiator or heat register. This product should not be placed in a built-in installation unless proper ventilation is provided. Confidential - Do Not Copy ViewSonic Corporation VP2000s...

  • Page 5: Specification

    AC 90 to 264V, 50/60Hz ± 3Hz, 1.5A. Inrush current Less then 50Ap. For 115V Less then 100Ap. For 230V Power Consumption: Less then 73W. On mode. Less then 5W. Active off mode. Less then 5W. DC power off. Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 6 5400°K x=0.335 , y=0.350 > 180 cd/m > 180 cd/m CCT(max) = 5915°K, CCT(min) = 4935°K 5000°K x=0.346 , y=0.359 > 180 cd/m > 180 cd/m CCT(max) = 53500°K, CCT(min) = 4700°K Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 7 These functions are not available in 1600x1200 mode, the setting is shaded and can't be selected. When the input signal is 4:3, the “Fill Aspect ratio” function is the size same as “Fill Screen”. Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 8 : 60 min per axis, total 3 axis. Test time 2.4.4 Drop test (packaged) : 76.2cm height. 1 corner, 3 edges, 6 faces. 2.4.5 Altitude : Operating : 0 ~ 3000 feet. Non-operating : 0 ~ 12000 feet. Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 9 +5V power TMDS clock shield DDC data TMDS clock + Analog V-SYNC Hot Plug Detect TMDS clock - Analog R Analog G Analog B Analog H-SYNC Analog Ground Pin15: For cable connection detect. Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 10 ¡ Ð ¡ Ï ¡ Ï ¡ Ï ¡ Ï Sync. Polarity V. total (Lines) 1066 1066 V. sync. (Lines) V. back porch (Lines) V. active (Lines) 1024 1024 V. front porch (Lines) Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 11 ¡ Ï ¡ Ï ¡ Ï Sync. Polarity V. total (Lines) 1072 1250 1250 1250 V. sync. (Lines) V. back porch (Lines) V. active (Lines) 1024 1200 1200 1200 V. front porch (Lines) Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 12 ¡ Ï ¡ Ï ¡ Ï ¡ Ï Sync. Polarity V. total (Lines) 1066 1066 1072 V. sync. (Lines) V. back porch (Lines) V. active (Lines) 1024 1024 1024 V. front porch (Lines) Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 13 H. front porch (Dots) Vertical Freq. (Hz) 60.000 60.000 ¡ Ð ¡ Ï Sync. Polarity V. total (Lines) 1250 V. sync. (Lines) V. back porch (Lines) V. active (Lines) 1200 V. front porch (Lines) Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 14 00 00 00 FD 00 32 55 1E 5C 11 00 0A 20 20 20 20 20 20 00 00 00 FC 00 56 50 32 30 30 30 73 0A 20 20 20 20 20 00 78 Confidential - Do Not Copy ViewSonic Corporation VP2000s...

  • Page 15: Front Panel Function Control Description

    Also a shortcut to toggle analog and digital connection. Displays the Main Menu or exits the control screen and saves adjustments. Power light Green = ON Orange = Power Saving Power On/Off Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 16 • If necessary, make small adjustments using H POSITION and V POSITION until the screen image is completely visible. (The black border around the edge of the screen should barely touch the illuminated “active area” of the LCD display.) Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 17 5000K — Adds blue and green to the screen image for a darker color. User Color — Individual adjustments for red (R), green (G), and blue (B). To select color (R, G or B) press button [2]. ▲ ▼ To adjust selected color, press Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 18 1:1 adjusts the video signal so that the height and width of the picture are the same. adjusts the video signal to fill the screen. Fill all maintains the correct video signal proportions Fill Aspect Ratio for different resolutions. Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 19 OSD Timeout screen is displayed. For example, with a “15 second” setting, if a control is not pushed within 15 seconds, the display screen disappears. Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 20 Memory Recall settings if the display is operating in a factory Preset Timing Mode listed in this user guide. Exception: This control does not affect changes made with the User Color control. Confidential - Do Not Copy ViewSonic Corporation VP2000s...

  • Page 21: Circuit Description

    IC951 CY7C65640 includes interface signals for external port power switches. The power switching and over-current detection of downstream ports is managed by control pins connected to an external power switch device by IC952 & IC953. IC954 is an EEPROM VID & PID configured. Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 22 Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 23 Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 24 Confidential - Do Not Copy ViewSonic Corporation VP2000s...

  • Page 25: Adjusting Procedure

    8.1 Illumination: 150 ~ 260 lux. 8.2 Environmental noise: Less than 60dB. 8.3 Interference of EMI: No excessive electric or magnetic fileds. 8.4 Temperature: 24 ± 2 8.5 Humidity: 65 ± 20%. Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 26 Input 1600x1200 / 60 Hz Full white pattern Push "1 + DC power" 3 seconds Select "Color Adjust" to adjust "9300K", "6500K" "5400K", "5000K" Push "1" Exit adjust OSD Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 27 1.6.3 Input 1600x1200 / 60Hz & 16 grays pattern at 100IRE, adjust brightness 100%, and contrast 100%. 1.6.4 9300K / 6500K / 5400K / 5000K, the 16 grays only had 3 grays can saturation. Confidential - Do Not Copy ViewSonic Corporation VP2000s...

  • Page 28: Trouble Shooting Flow Chart

    1. Q258, D252 failure. 2. Q255, D251 failure (for VP201). 3. IC251 failure. Check: 1. IC252 is O/P 2.5V. 2. IC253 is O/P 3.3V. 3. IC254 is O/P 3.3V. 4. IC255 is O/P 3.3V. Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 29 Check that C263 positive is at 5V CN251 is approximately 18V Check CN252 Power board failure IC251 failure pin1 is 18V, pin5 is 5V 1. Check IC401 B3 pin. Inverter failure 2. Check Q259. Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 30 Check Q263 pin4 is low voltage. 1. Check IC401 B3 pin. Inverter failure. 2. Check Q259. Q263 failure Check Q263 pin5, 6, 7, 8 is about: 1. 18V for VP211. Q263 failure 2. 5V for VP201. Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 31 Check that the cable is fully connected between the interface board and key board Failure point. Failure point. 1. IC405 pin2, 3, 4, 5, 6 failure. The cable is disconnected. 2. TACT switch failure. Confidential - Do Not Copy ViewSonic Corporation VP2000s...

  • Page 32: Recommended Spare Parts List

    0.29 M-MS-0808-7810 3220605633 TAPE W=45 #7290 NITTO 0.128 M-MS-0808-4975 3221101500 TAPE W=76 PP47 914M 4P M-MS-0808-0918 3221903300 TAPE PE W=50 VIEWSONIC SECURITY 1.028 M-MS-0808-1679 3222201300 TAPE AL FOIL W=25 #80023 CATERON 0.18 M-MS-0808-1680 3222400310 TAPE W=16 #897 3M 0.03 M-MS-0808-8557...
  • Page 33 0.29 M-MS-0808-7810 3220605633 TAPE W=45 #7290 NITTO 0.128 M-MS-0808-4975 3221101500 TAPE W=76 PP47 914M 4P M-MS-0808-0918 3221903300 TAPE PE W=50 VIEWSONIC SECURITY 1.028 M-MS-0808-1679 3222201300 TAPE AL FOIL W=25 #80023 CATERON 0.18 M-MS-0808-1680 3222400310 TAPE W=16 #897 3M 0.03 M-MS-0808-8557...
  • Page 34 Item ViewSonic P/N Ref. P/N Description Location Q'ty E-R-0405-6685 343103100 RES CH 1/8W 10K J 0805 R613,R627 R256,R257,R262,R274,R275,R278,R281,R406 ,R443,R444,R445,R446,R447,R450,R614,R61 E-R-0405-6685 343103300 RES CH 1/10W 10K J 0603 5,R628,R629,R635 #N/A 343151300 RES CH 1/10W 150 J 0603 R604,R605,R606 #N/A 343220100 RES CH 1/8W 22 J 0805...
  • Page 35 Item ViewSonic P/N Ref. P/N Description Location Q'ty 136 #N/A 2510019129 IC PWM SOP-16P IC251 137 #N/A 2510406024 IC SW-CAP(10UF) VOLT CONVERTER SO- IC612 138 #N/A 2530108343 IC TRIPLE VIDEO BUFFER G=+1 TSSOP- IC610 139 #N/A 2530147512 IC PANEL-LINK RECEIVER TQFP-100P...

  • Page 36: Exploded Diagram And Spare Parts List

    8. Exploded Diagram And Spare Parts List Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 37 Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 38 Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 39 Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 40 VP2000s-1 Exploded Part List Rev 1a (Initial) VP2000s-1 Exploded Part List Item ViewSonic P/N ReferenceNumber Description 3200649100 NAME PLATE ABS 94HB VIEWSONIC 82.83*34.9 M-MS-0808-8556 3361092600 F/B ABS C-FP-0301-1024 M-MS-0808-8559 3360506800 LED LENS ABS 1865-12 S8LRB1LS PL-NB-0707-1075 3360627100 POWER KNOB POM M270 MIDNIGHT GRAY 3460150100 BRACKET PANEL SIDE-R SECC 325*30*25 T.8...

  • Page 41: Block Diagram

    9. Block Diagram Confidential - Do Not Copy ViewSonic Corporation VP2000s...

  • Page 42: Schematic Diagrams

    10. Schematic Diagrams Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 43 Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 44 Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 45 Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 46 Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 47 Confidential - Do Not Copy ViewSonic Corporation VP2000s...

  • Page 48: Pcb Layout Diagrams

    11. PCB Layout Diagrams Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 49 Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 50 Confidential - Do Not Copy ViewSonic Corporation VP2000s...
  • Page 51 Add.: Fax: Tel: E-mail: After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 1-909-839-7943. You may also e-mail any suggestions to the Director, Quality Systems & Processes (marc.maupin@viewsonic.com) Confidential - Do Not Copy...

Table of Contents