ViewSonic VLCDS26105-2W Service Manual
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ViewSonic VLCDS26105-2W Service Manual

ViewSonic VLCDS26105-2W Service Manual

19” color tft lcd display
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Service Manual

ViewSonic VX900-2
Model No.VLCDS26105-2W
19" Color TFT LCD Display
(VX900-2_SM_637 - Rev.1a-Feb 2003)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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Summary of Contents for ViewSonic VLCDS26105-2W

  • Page 1: Service Manual

    Service Manual ViewSonic VX900-2 Model No.VLCDS26105-2W 19” Color TFT LCD Display (VX900-2_SM_637 - Rev.1a-Feb 2003) 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: Precautions And 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. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 4: Table Of Contents

    4.6 Show “No Signal” on screen..................46 4.7 Keypad can not work....................46 5. Adjust Procedure ......................47 1. Preparation Of Manual Alignment ................48 2. Color Temperature Alignment..................50 3. Factory Preset Setting....................51 6. Mechanical Assembly....................53 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 5 7. Explode Diagram and Mechanical Parts List ...............58 8. Schematic Daigrams.......................59 9. PCB LAYOUT........................66 10. Recomended Spare Parts List..................69 11. Complete Parts List.......................71 Appendix Reader's Response ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 6: Engineering Specifications

    2 channel x 2 Micro-phone jack Speaker Max 3W x 2 Main IC GM5120 Display Colors 16,777,216 Preset Timings SXGA/60Hz, 75Hz, XGA/60Hz, 70Hz, 75Hz, 85Hz SVGA/56Hz, 60Hz, 72Hz, 75Hz, 85Hz VGA/60Hz, 72Hz, 75Hz, 85Hz Dos-text/70Hz ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 7 5 to 85% ( no condensation, < wetbulb 29 degree C ) Accessories AC power cord-UL 1.8m AC power cord-Schuko 1.8m Analog VGA cable 1.8m DVI-D cable 1.8m Audio cable Microphone cable ViewSonic CD-Wizard ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 8 Traditional Chinese, Simplified Chinese Others Tilt Angle 20° up / 5° down Power Saving System User Control by tact switch keypad with On Screen Display- VESA DDC1/2B compatible ( digital port DDC2B only) ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 9: Electrical Characteristics

    2.3.1 RGB Video Signals 2.3.1.1 Separate Sync . Signals Analog R,G,B 0 - 0.7 Vp-p Signal Level 75 ± 5% Sync Level TTL level Sync Polarity independent 2.3.1.2 Sync On green, Composite Sync ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 10 4 Ohm Output Wattage 3.0W (max.) x 2 2.3.4 Input Signal Connectors 2.3.4.1 Analog RGB Video Input : 15 pin mini D-sub PIN NO. Separate Sync GREEN BLUE GROUND GROUND GROUND GROUND GROUND ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 11 Reserved. No connection Reserved 13 Reserved. No connection VCCX Power Logic Ground SENS SENSE Pin, Pull High RX0- TMDS negative differential input, channel 0 RX0+ TMDS positive differential input, channel 0 Logic Ground ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 12: Audio Connector

    MOD [14] 1024X768(60) VESA STANDARD 58.01 1.0KHz 72.08 1.0Hz MOD [15] 1024X768(72) VESA STANDARD 60.023 1.0KHz 75.0 1.0Hz MOD [16] 1024X768(75) VESA STANDARD 68.67 1.0KHz 85.0 1.0Hz MOD [17] 1024X768(85) VESA STANDARD ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 13 White Brightness VMAX Uniformity of Bmin Brightness Bmax Response All White All Black At 25 degree All Black All White Right Degree Center CR 10 Viewing Left Degree Angle Degree Down Degree ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 14 (Note 1) Contrast ratio is defined as the following formula. Brightness(Luminance) with all pixels at "white" Brightness with allpixels at " black" Contrast ratio = (Note 2) Viewing angle is measured as follows: ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 15 ’ ’ (Note 3) Definition of response time is as follows: Response time is measured when the display data is changed from white to black. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 16 White Optical Response (Note 4) Judge points for brightness uniformity Brightness uniformity is judged at nine (9) points on display area: Bmin BUNI Bmax Bmax : Maximum Brightness Bmin : Minimum Brightness ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 17 Typical Tr = 15ms ; Tf = 10ms Maximum Tr = 30ms; Tf = 25ms Number of Back Light(CCFL) 4 – Edge type back light Backlight (hrs) 50,000 hours minimum; 60,000 hours typical ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 18 Expansion 4 720x400 1.78 2.56 1280x1024 Expansion 5 800x600 1.71 1280x1024 Expansion 6 832x624 1.54 1.64 1280x1024 Expansion 7 1024x768 1.25 1.33 1280x1024 Expansion 8 1152x864 1.11 1.19 1280x1024 Standard 1280x1024 1280x1024 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 19: Mechanical Characteristics

    Location: Paste on Rear Back Label Contents: Appendix III 3.5 Serial Number Format Serial No. PPP YY WW XXXXX Serial No. (5-digit) Manufacturing week Last digit of manufacturing year Regional Product ID Code : VX900-2:A24 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 20: Packaging

    6.1 OSD Brightness 100% (based on 0-100%) Contrast 80% (based on 0-100%) AutoTune Executed Color Temperature 6500k Volume Balance Bass/Treble OSD Timeout 15 Sec Language English OSD position Center 6.2 Power Switch ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 21: Appendix I Preset Signal Timings

    Appendix I Preset Signal Timings H-Video H active Horizontal H front H back H pulse H total V-Video V active Vertical V front V back V pulse V total ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 22: Analog Timing Mode Table

    Pixel rate (MHz) 36.000 40.000 50.000 49.500 56.250 57.283 65.000 H-sync H-back porch Count num (H-total) 1024 1056 1040 1056 1048 1152 1344 H- front porch V-sync V-back porch Count num (V-total) V-front porch ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 23 V-front porch H-sync. Polarity Negative Negative Positive Positive Positive Negative Positive V-sync Polarity Negative Negative Positive Positive Positive Negative Positive H-resolution (dots) 1024 1024 1024 1024 1280 1280 1280 V-resolution (lines) 1024 1024 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 24: Digital Timing Mode Table

    Pixel rate (MHz) 36.000 40.000 50.000 49.500 56.250 65.000 75.000 H-sync H-back porch Count num (H-total) 1024 1056 1040 1056 1048 1344 1328 H- front porch V-sync V-back porch Count num (V-total) V-front porch ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 25 V-back porch Count num (V-total) 1066 V-front porch H-sync. Polarity Negative Positive Positive Positive Negative V-sync Polarity Negative Positive Positive Positive Negative H-resolution (dots) 1024 1024 1024 1280 1280 V-resolution (lines) 1024 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 26: Appendix Ii Edid Code

    Appendix II EDID Code Analog Digital ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 27: Appendix Iii Label Printing

    Appendix III Label Printing ID LABEL Bar Code label/Serial No Label ViewSonic VX900 7 66907 80262 7 MODEL NUMBER: VLCDS26105-2W ViewSonic VX900 SERIAL NUMBER: A24YYWWnnnnn M o d e l N u m b e r : V L CD S 26105-2W...

  • Page 28: Front Panel Function Control Description

    4. Press ‘1” button will enter OSD main menu. 5. Press “volume plus”, “volume minus” can directly adjust the audio volume 6. Press “mute” button can directly mute on or off the audio volume. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 29: Osd Operation Flow

    (See computer or graphic card user guide to adjust refresh rate.) The panel may be manually tuned using the horizontal and vertical phase controls shown below. Contrast adjust foreground white level of screen image. [ ] increase contrast, [ ] decrease contrast. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 30 Input Select press [ ] or [ ] button to select Input Source. Audio press [ ] or [ ] button to scroll desired menu option. Press [2] button to select submenu option. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 31 Bass/Treble adjusts the high (treble) and low (bass) frequency audio output Press [2] button to select bass adjustment. Bass press [ ] or [ ] to adjust bass. Treble press [ ] or [ ] to adjust treble. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 32 User Color—Individual adjustments for red (R), green (G), blue(B). 1 To adjust selected color, press [ ] or [ ]. 2 Press button [2] to set adjustment and select next color to adjust. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 33 [ ] move screen image to left, [ ] moves screen image to right. Press the [2] button to toggle between H. or V. Position. V-Position moves screen image up or down. [ ] move screen image down, [ ] moves screen image up. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 34 Width of screen image, [ ] increases width of image. Fine-Tune Sharpness adjusts the clarity of a non-SXGA (1280 x 1024) RGB signal Press [ ] or [ ] to adjust. Setup Menu ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 35 OSD Position press the [2] button to select the OSD Position. press the [2] button to select the OSD H-Position or OSD V-Position. OSD H-Position [ ] moves OSD left, [ ] moves the OSD right. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 36 OSD V-Position [ ] moves OSD down, [ ] moves the OSD up. OSD Time out sets the length of time the On Screen Display screen is displayed before exiting. OSD Background ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 37 Position, Color Temperature @ 6500K, OSD Position, Sharpness, & OSD Time out. OSD Auto Save The OSD shall save new settings when it is turned off by the user or when it times out. There shall not be a separate save. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 38: Circuit Description

    IC502 VPNL IC602 VGA_SDA SI9933ADY HD-15 VGA_SDA VGA_SCL VGA_SCL EEPROM IC402 FLASH EEPROM (F/W) IC600 DVI_SDA DVI_SDA DVI-D DVI_SCL DVI_SCL EEPROM IC404 DATA EEPROM POWER DVDD2.5 ADAPTER DVDD3.3 CN302 LVDS3.3 AUDIO BOARD ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 39: Interface Board

    Pin 44,45 do ISP(in-system program) Pin 40 controls the brightness of panel Pin 41, 42 controls LED (orange and green) on /off Pin 123 control audio boards 12V on/off Pin 126 control IC500, IC501(LVDS Transmitter) on/off. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 40 Horizontal measurements are measured in terms of the selected IFM_CLK (either T_CLK or R_CLK/4), while vertical measurements are measured in terms of HSYNC pulses. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 41 (LVDS) line drivers in a single integrated circuit. These functions allow 28 bits of single-ended low-voltage TTL (LVTTL) data to be synchronously transmitted over five balanced-pair conductors for receipt by a compatible receiver, ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 42 (SHTDN) active-low input to inhibit the clock and shut off the LVDS output drivers for lower power consumption. A low-level signal on SHTDN clears all internal registers to a low level. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 43: Audio Board

    Right channel loudness input Rin 3 Right channel input 3 Rin 2 Right channel input 2 Rin 1 Right channel input 1 Loud_L Left channel loudness input Lin 3 Light channel input 3 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 44 Pins 1 and 9 are right and left channel inputs respectively. Pins 4 and 6 are right and left channel outputs which connect to two 4 OHM speakers. Pin 8 is the mute/stand-by Pin 7 is the voltage input for ICA1 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 45: Troubleshooting Flow Chart

    4. Troubleshooting Flow Chart 1. Figure of Waveform FIG 1. FIG 2. FIG 3. 3.3V FIG 4. 2.5V FIG 5. 32 GRAY SIGNAL INPUT FIG 6. H-SYNC ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 46 FIG 7. V-SYNC FIG 8. 14.3M CLOCK FIG 9. DISPLAY CLOCK+ FIG 10. DISPLAY H-SYNC FIG 11. DISPLAY V-SYNC FIG 12. DISPLAY ENABLE ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 47 FIG 13. LVDS TX0+ FIG 14. LVDS TX0- FIG 15. LVDS CLOCK+ FIG 16. LVDS CLOCK- FIG 17. AUDIO SINE SIGNAL IN FIG 18. AUDIO SINE SIGNAL OUT ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 48: No Display On Screen (Screen Is Black, Led Is Off)

    Check that the voltage level of CN100 is approximately 12V checjk Check CN301 pin1 IC100 failure FB100, FB101 F100 or power board failure is12V, pin5 is 5V failure Inverter failure Check IC400 Pin 114 failures ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 49: No Display On Screen ( Led Is Green)

    Check IC502 voltage 1.IC500, IC501 failure Pin 2, 4 is low 2.IC400 failure Inverter failure IC400 Pin 114 failure Check IC502 IC502 failure Pin5, 6, 7, 8 is About 5V IC502 failure ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 50: No Power On

    2. Disconnected between CN100 and power board Check that FB100, FB101 Failure point is 12V F100 failure Check that IC100 Failure point pin 2 is about 5V FB100, FB101 failure Failure point 1.L200 failure 2.D200 failure 3.IC100 failure ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 51: No Sound (Test Signal: 1R.m.s Sine Waveform )

    FIG18. 1.ICA1 failure 2.IC400 pin 123 failure Check ICA5,ICA6 pin 4 is Failure point about 5V 1. QA6 or QA7 failure 2. ICA3 failure ICA5 or ICA6 failure IC400 pin 125 failure ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 52: Show "No Signal" On Screen

    Interface board and Key board Failure point Failure point 1. IC400 pin 1, 4, 42, 43, 46, The cable is disconnected 47, 125,206 failure 2. TACT switch failure ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 53: Adjust Procedure

    5. Adjust Procedure CONTENTS INSTRUMENT ALIGNMENT PREPARATION OF MANUAL ALIGNMENT 2. COLOR TEMPERATURE ALIGNMENT 3. FACTORY PRESET SETTING ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 54: Preparation Of Manual Alignment

    1.4.2 PRESS “VOL-” AND “1” KEY AND POWER ON TO SET THE MONITOR TO THE FACTORY MODE. 1.4.3 TO ENSURE THE MONITOR IS UNDER FACTORY MODE, CHECK THE STATUS IN THE OSD MENU SCREEN. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 55 AND ”5000”. PRESS “2” TO SELECT WHICH COLOR TEMPERATURE TO BE ADJUSTED. IT WILL SHOW FOLLOWING MENU. USE “2” KEY TO SWITCH R, G, B, DRIVER. “UP” OR “DOWN” KEY TO ADJUST THE R. G. B VALUE CORRESPONDING TO THE SELECTED ITEM. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 56: Color Temperature Alignment

    = 0.313 0.003 , y = 0.329 0.003 Y>= 180CD/M 2.2.3 PRESS “1” TO EXIT 6500 COLOR TEMPERATURE ADJUSTMENT AND DO ANOTHER COLOR TEMPERAUTE ADJUSTMENT. THE ABOVE RESULT R.G.B GAIN WILL AUTOMATICALLY BE SAVED, WHEN EXITING THE FACTORY MODE OSD MENU. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 57: Factory Preset Setting

    THE ABOVE RESULT R.G.B GAIN WILL AUTOMATICALLY BE SAVED, WHEN EXITING THE FACTORY MODE OSD MENU. 3. FACTORY PRESET SETTING 3.1 IN FACTORY MODE OSD MAIN MENU, SELECT FACTORY DEFAULT SETTING. PRESS “2” TO COFIRM THE SELECTION. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 58: Mechanical Assembly

    6. Mechanical Assembly ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 59 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 60 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 61 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 62 BRACKET HINGE SPCC 128*156 M-MS-0808-8610 3240956800 RUBBER FOOT 81*13 RUBBER FOOT 81*13 PL-PD-0714-0067 3105124500 SCREW M4*0.7*6 FF C S18C ZN SCREW M4*0.7*6 FF C S18C ZN M-SCW-0814-0693 3240957500 RUBBER FOOT 75*10 RUBBER FOOT 75*10 PL-PD-0714-0068 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 63 7. Explode Diagram ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 64 Sechmatic Daigrams ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 65 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 66 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 67 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 68 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 69 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 70: Pcb Layout

    PCB Layout ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 71 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 72 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 73 AIR SHIPPING M-MS-0808-4686 3200462800 NAME PLATE AL+PC VSC 3-BIRD LO M-MS-0808-8151 3200641801 NAME PLATE AL 43*6.9*1.15T VIE M-MS-0808-7739 3200648800 NAME PLATE ABS 94HB VIEWSONIC M-LB-0813-0759 3200930800 LABEL VER. CONTROL 20*20 VIEWS M-LB-0813-0760 3201942600 LABEL ID 160*43 VSC VX900-2 M-LB-0813-0700 3202207300 LABEL MIC IN 10.2*15...
  • Page 74 LCD 19" TFT PANEL LVDS SXGA B-AC-0215-0038 5600110046 LCD AUDIO BD ASSY L19EMW 05AAW B-IF-0222-0035 5600110057 LCD I/F BD ASSY L19EMW 05AAW B-KB-0207-0031 5600110067 LCD FUN KEY BD ASSY L19EMW 05A B-SB-0221-0450 5600200113 MICROPHONE BD A ViewSonic Corporation VX900-2 Confidential – Do Not Copy...

  • Page 75: Complete Parts List

    Complete Parts List ViewSonic Model Name: VX900-2 ITEM VIEWSONIC P/N REFERENCE MFG PART DESCRIPTION QTY UNIT A-AD-0114-0182 0993026502 ADP-60AF A ADAPTER 90-264VAC 12VDC 5A A-PC-0106-0193 3070000501 WP201-WTP-003 AC POWER CORD L1800 BLACK EURO A-AU-0120-0033 3080005100 CABLE AUDIO L=1800 BLK PC99...
  • Page 76 PA-707 41 PLASTIC ABS 94HB 41 PA-707 64 GRM C-BC-0302-0482 3368213700 R/C ASSY L19EMW05AAW M-MS-0808-7739 3200648800 NAME PLATE ABS 94HB VIEWSONIC 4020371607 D-180 41 PLASTIC ABS 94HB 41 D-180 11 GRM 4020371609 SD-0150 41 PLASTIC ABS 94HB 41 SD-0150 11 GRM...
  • Page 77 CAP MC CP 50V 100P J C0G 0603 419 E-C-0404-4874 1511530000 C0603N101J050T CAP MC CP 50V 100P J C0G 0603 420 E-C-0404-4874 1511530000 C0603N101J050T CAP MC CP 50V 100P J C0G 0603 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 78 2322 702 60101 RES CH 1/10W 100 J 0603 480 E-R-0405-6684 0343101300 2322 702 60101 RES CH 1/10W 100 J 0603 481 E-R-0405-6684 0343101300 2322 702 60101 RES CH 1/10W 100 J 0603 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 79 2322 702 60471 RES CH 1/10W 470 J 0603 541 E-R-0405-7033 0343471300 2322 702 60471 RES CH 1/10W 470 J 0603 542 E-R-0405-7033 0343471300 2322 702 60471 RES CH 1/10W 470 J 0603 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 80 CAP AL CP 16V 470U M 8*10.5 149124711433 UWT1C471MNR1GS CAP AL CP 16V 470U M 8*10 149124711433 UWT1C471MNR1GS CAP AL CP 16V 470U M 8*10 149142211408 25RGV220M8*10.5 CAP AL CP 25V 220U M 8*10.5 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 81 CAP MC CP 25V .1U K X7R 0603 1552458000 C0603X104K025T CAP MC CP 25V .1U K X7R 0603 1552458000 C0603X104K025T CAP MC CP 25V .1U K X7R 0603 1552458000 C0603X104K025T CAP MC CP 25V .1U K X7R 0603 ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 82 204520700217 BAV99 DIO SW 0.2A 70V SOT-23 SE. 204520700217 BAV99 DIO SW 0.2A 70V SOT-23 SE. 204520700217 BAV99 DIO SW 0.2A 70V SOT-23 SE. 204520700217 BAV99 DIO SW 0.2A 70V SOT-23 SE. ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 83 2921093612 MLB-160808-0120B-N CORE BEAD 100MHZ 120 OHM 0.2A 2921093612 MLB-160808-0120B-N CORE BEAD 100MHZ 120 OHM 0.2A 2921093612 MLB-160808-0120B-N CORE BEAD 100MHZ 120 OHM 0.2A 2921093612 MLB-160808-0120B-N CORE BEAD 100MHZ 120 OHM 0.2A ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 84 MICROPHONE BD ASSY 0990601015 MD6052UWZ-4 MICROPHONE ASSY -46+-4dB L=150 2973007402 PWB D0 L2 FR-4 15.5*60 (MICROP 3072230200 JY-3561-F1-070 CONN PHONE JACK OD3.5 7P VERTI 3072230300 JY-3561-51-070 CONN PHONE JACK OD3.5 7P VERTI ViewSonic Corporation VX900-2 Confidential – Do Not Copy...
  • Page 85 *Reader’s Response* Dear Readers: Thank you in advance for your feedback on our Service Manual,which allows continuous improvement of our products. We would appreciate your completion of the Assessment Matrix below, for return to ViewSonic corporation Assessment A. What do you think about the content after reading VX900-2 Service Manual?

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