ViewSonic VX800-3 - 18" LCD Monitor Service Manual
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ViewSonic VX800-3 - 18" LCD Monitor Service Manual

ViewSonic VX800-3 - 18" LCD Monitor Service Manual

18” color tft lcd display
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Service Manual

ViewSonic VX800-3
Model No.VLCDS26105-1W
18" Color TFT LCD Display
(VX800-3__SM_645 -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 VX800-3 - 18" LCD Monitor

  • Page 1: Service Manual

    Service Manual ViewSonic VX800-3 Model No.VLCDS26105-1W 18” Color TFT LCD Display (VX800-3__SM_645 -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 VX800-3 Confidential – Do Not Copy...

  • Page 4: Table Of Contents

    4.6 Show “No Signal” on screen ....................45 4.7 Keypad can not work......................45 5.Adjust Procedure ..................46 5.1 PREPARATION OF MANUAL ALIGNMENT..............47 5.2 COLOR TEMPERATURE ALIGNMENT ................48 5.3 FACTORY PRESET SETTING..................50 6.Mechanical Assembly ................51 ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 5 6.2 Mechnical Parts List ......................56 7.Schematic Diagrams .................. 57 8.PCB Layout ....................64 9.Parts Lists....................67 9.1 Recommended Spare Parts List ..................67 9.2 Complete Parts List ......................69 ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 6: Engineering Specifications

    SVGA/56Hz, 60Hz, 72Hz, 75Hz, 85Hz VGA/60Hz, 72Hz, 75Hz, 85Hz Dos-text/70Hz Synchronization Horizontal 30 kHz to 82 kHz (automatically) Vertical 50 Hz to 75 Hz (automatically) Non-interlaced Pixel Rated 135Mhz Resolution Horizontal 1280 dots Vertical 1024 lines ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 7 Analog VGA cable 1.8m DVI-D cable 1.8m Audio cable Micphone cable ViewSonic CD-Wizard Regulatory UL, CSA or cUL, CB Report, CE, FCC-B, DOC-B, TUV/Ergo Standards (which covers ISO13406-2 and MPRIII), TUV/GS, PCT (GOST-R) with 20 Hygienic certificates, PCBC (B Mark), SEMKO, DEMKO, FIMKO, NEMKO, BSMI, VCCI, CCIB/EMC, CCEE, PSB (Singapore Safety), TCO’99, NOM and Argentina...

  • Page 8: 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 VX800-3 Confidential – Do Not Copy...
  • Page 9 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 GROUND ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 10 TMDS positive differential input, channel 0 Logic Ground Reserved 20 Reserved. No connection Reserved 21 Reserved. No connection Logic Ground RXC+ TMDS positive differential input, reference clock RXC- TMDS negative differential input, reference clock ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 11 60.02 ±1.0Hz 1280X1024(60) VESA STANDARD MOD [21] 79.976 ±1.0KHz 75.0 ±1.0Hz 1280X1024(75) VESA STANDARD 2.4 Luminance Control Analog signal (6500K) Over 200 cd / m (@ Cont / Bright max) Digital signal (6500K) ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 12 These characteristics were measured under the following conditions: Temperature: 77 ± 6°F, 25 ± 5°C Viewing angle: AU = 0°, AR = 0° Warm Up time: minimum 30 minutes Measuring instrument: TOPCOM BM-7 Luminance Meter Measuring distance: 500 mm ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 13 (Note 2) Viewing angle is measured as follows: ’ ’ (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 VX800-3 Confidential – Do Not Copy...
  • Page 14 White(TFT OFF) 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 VX800-3 Confidential – Do Not Copy...
  • Page 15 Typical Tr = 15ms ; Tf = 10ms Maximum Tr = 20ms; Tf = 15ms Number of Back Light(CECIL) 6 – Edge type back light Backlight (hrs) 50,000 hours minimum; 60,000 hours typical ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 16 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 1 1280x1024 ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 17: Mechanical Characteristics

    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: VX800-3:A28 ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 18: 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 VX800-3 Confidential – Do Not Copy...

  • Page 19: Appendix Ipreset 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 VX800-3 Confidential – Do Not Copy...

  • Page 20: Analog Timing Mode Table

    56.250 60.317 72.188 75.000 85.061 74.5 60.004 Pixel rate (MHz) 36.000 40.000 50.000 49.500 56.250 57.283 65.000 H-sync H-back porch Count 1024 1056 1040 1056 1048 1152 1344 (H-total) H- front porch ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 21 V-front porch H-sync. Polarity Negative Negative Positive Positive Positive Positive Negative V-sync Polarity Negative Negative Positive Positive Positive Positive Negative H-resolution (dots) 1024 1024 1024 1024 1280 1280 1280 V-resolution (lines) 1024 1024 ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 22: Digital Timing Mode Table

    56.250 60.317 72.188 75.000 85.061 60.004 70.069 Pixel rate (MHz) 36.000 40.000 50.000 49.500 56.250 65.000 75.000 H-sync H-back porch Count 1024 1056 1040 1056 1048 1344 1328 (H-total) H- front porch ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 23 V-back porch Count num (V-total) Tvd 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 VX800-3 Confidential – Do Not Copy...

  • Page 24: Edid Code

    100 | 00 0A 20 20 20 20 20 20 00 00 110 | 00 FC 00 56 58 38 30 30 2D 33 120 | 0A 20 20 20 20 20 00 03 ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 25: Appendix Iii Label Printing

    V L CD S 26105-1 S e r i a l N u m b e r : A28YYWWnnnnn 7 66907 81271 8 MODEL NUMBER: VLCDS26105-1W SERIAL NUMBER: A28YYWWnnnnn Made In China ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 26: 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 VX800-3 Confidential – Do Not Copy...

  • Page 27: User Control Functions

    (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. Contrasts adjust foreground white level of screen image. [ ] increase contrast, [ ] decease contrast. ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 28 Audio press [ ] or [ ] button to scroll desired menu option. Press [2] button to select submenu option. Audio Volume Balance Bass Treble Mute 1 : Exit 2 : Select ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 29 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 VX800-3 Confidential – Do Not Copy...
  • Page 30 1 To adjust selected color, press [ ] or [ ]. 2 Press button [2] to set adjustment and select next color to adjust. User Color Green Blue 1 : Exit 2 : Select ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 31 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 VX800-3 Confidential – Do Not Copy...

  • Page 32: Osd Position

    Sharpness adjusts the clarity of a non-SXGA (1280 x 1024) RGB signal Press [ ] or [ ] to adjust. Setup Menu Setup Menu Language Resolution Notice OSD Position OSD Timeout OSD Background Touch Tone 1 : Exit 2 : Select ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 33 : E xit : S elect 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 VX800-3 Confidential – Do Not Copy...
  • Page 34 OSD V-Position [ ] moves OSD down; [ ] moves the OSD up. OSD Timeout sets the length of time the Onscreen Display screen is displayed before exiting. OSD Background ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 35 H/V Position, Color Temperature @ 6500K, OSD Position, Sharpness, & OSD Timeout. 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 VX800-3 Confidential – Do Not Copy...

  • Page 36: 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 BOARD AUDIO ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 37: Interface Board

    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 VX800-3 Confidential – Do Not Copy...
  • Page 38 XTAL can be driven by a single-ended TTL/CMOS input clock (e.g. for testing of the IC) – the TCLK pin should be grounded through a 2.7k pull down resistor to maintain the correct duty cycle for the clock. ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 39 (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 VX800-3 Confidential – Do Not Copy...
  • Page 40 (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 VX800-3 Confidential – Do Not Copy...

  • Page 41: Audio Board

    Lin 3 Light channel input 3 Lin 2 Light channel input 2 Lin 1 Light channel input 1 Audio processor left channel input Lout Gain output and input selector for left channel ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 42 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 8 OHM speakers. Pin 8 is the mute/stand-by Pin 7 is the voltage input for ICA1 ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 43: Troubleshooting Flow Chart

    4. Troubleshooting Flow Chart 4.1 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 VX800-3 Confidential – Do Not Copy...
  • Page 44 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 VX800-3 Confidential – Do Not Copy...
  • Page 45 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 VX800-3 Confidential – Do Not Copy...

  • Page 46: No Display On Screen (Screen Is Black, Led Is Off)

    Check that the voltage level of CN100 is approximately 12V Check 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 VX800-3 Confidential – Do Not Copy...

  • Page 47: No Display On Screen (Led Is Green)

    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 VX800-3 Confidential – Do Not Copy...

  • Page 48: 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 VX800-3 Confidential – Do Not Copy...

  • Page 49: No Sound (Test Signal: 1R.m.s Sine Waveform)

    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 VX800-3 Confidential – Do Not Copy...

  • Page 50: 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 VX800-3 Confidential – Do Not Copy...

  • Page 51: Adjust Procedure

    5. Adjust Procedure CONTENTS INSTRUMENT ALIGNMENT PREPARATION OF MANUAL ALIGNMENT 2. COLOR TEMPERATURE ALIGNMENT 3. FACTORY PRESET SETTING ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 52: Preparation Of Manual Alignment

    Factory VX800-3 01/10 / 2003 Color Temp Factory Default Brightness Blacklevel AutoColor Initial EDID CopyColorTemp Gamma Otherwise, follow the procedure described in session 1.4.1 to enter the factory mode again ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 53: Color Temperature Alignment

    Before manually adjusting color temperature, set OSD contrast 80%, brightness 100% (factory default), enter into factory mode and select “color temp. manual” item 2.1 9300°k alignment 2.1.1 use “up” or “down” key to move cursor to 9300 color ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 54 Then press “2” key to select 5400 color temperature adjustment. 2.3.2 Use “2” to move cursor to r-driver or g-driver or b-driver and then press “up” or “down” key to adjust it to meet ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 55: Factory Preset Setting

    The above result R, G, B gain will automatically be saved, when exiting the factory Mode OSD menu. 5.3 Factory Preset Setting 3.1 in factory mode OSD main menu select factory default setting. Press “2” to confirm the selection. ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 56: Mechanical Assembly

    6. Mechanical Assembly ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 57 ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 58 ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 59 BASE ASSEMBLY ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 60 TAPE ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 61: Mechnical Parts List

    Mechanical Parts List ITEM VIEWSONIC P/N REFERENCE NO. DESCRIPTION 310203080X SCREW M4*0.7*8 FLAT 310512010X SCREW M4*0.7*12 C-BC-0302-0479 336821360X R/C ASSY BASE ASSEMBLY M-CV-0830-2382 336091640X ARM REAR C-FP-0301-0326 336107440X FRONT BEZEL 310512400X SCREW M4*0.7*6 310030060X SCREW M3*0.5*6 E-SK-0412-0071 379019350X SPK-L ASSY 310902050X SCREW TAPPING f4*1.6*10...

  • Page 62: Schematic Diagrams

    7. Schematic Diagrams ViewSonic Corporation Confidential – Do Not Copy VX800-3...
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  • Page 69: Pcb Layout

    8. PCB Layout ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 70 ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 71 ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 72: Parts Lists

    CONN DVI-D 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-0813-0763 3201942500 LABEL ID 160*43 VSC VX800-3 M-LB-0813-0700 3202207300 LABEL MIC IN 10.2*15 M-LB-0813-0714 3202310700 LABEL HV WARNING 100*25...
  • Page 73 MANUAL QUICK START GUIDE VSC V M-LCD-0826-0124 5051800501 LCD 18.0" TFT PANEL B-AC-0215-0038 5600110046 LCD AUDIO BD ASSY L19EMW 05AAW B-IF-0222-0037 5600110055 LCD I/F BD ASSY L18HMW 05AAW B-KB-0207-0031 5600110067 LCD FUN KEY BD ASSY L19EMW 05A ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 74: Complete Parts List

    9.2 Complete Parts List VS Model Name: VX800-3 ITEM VIEWSONIC P/N REFERENCE NO. MFG PART DESCRIPTION QTY UM POWER 90-264VAC 12VDC 5A 1 A-AD-0114-0182 0993026502 ADP-60AF A 1 PCE AC POWER CORD L1800 BLACK 2 A-PC-0106-0193 3070000501 WP201-WTP-003 1 PCE...
  • Page 75 113 M-LCD-0826-0127 3510552100 0.1 PCE ANGLE PAPER 2190*55*55 3510807600 0.1 PCE CAP PAPER 1140*1050*120 3510878400 0 PCE CARTON 565*265*595 VSC VG800-2 116 P-BX-0601-0784 3512234900 1 PCE PALLET FUMIGATED 1070*1140*120 3520026000 0 PCE ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 76 UUT1E100MCR1GS 1 PCE CAP AL CP 25V 10U M 5*5.7 176 E-C-0404-4859 149141001203 UUT1E100MCR1GS 1 PCE 177 E-C-0404-4879 1511477000 2238 586 15528 CAP MC CP 50V 2.7KP J X7R 0603 1 PCE ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 77 2322 702 60101 1 PCE RES CH 1/10W 100 J 0603 236 E-R-0405-6684 0343101300 2322 702 60101 1 PCE 237 E-R-0405-6684 0343101300 2322 702 60101 RES CH 1/10W 100 J 0603 1 PCE ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 78 2322 702 60479 1 PCE RES CH 1/10W 47 J 0603 296 E-R-0405-6690 0343470300 2322 702 60479 1 PCE 297 E-R-0405-7033 0343471300 2322 702 60471 RES CH 1/10W 470 J 0603 1 PCE ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 79 CAP AL CP 16V 47U M 6.3*5.5 148124701308 16REV47M6.3*5.5 1 PCE CAP AL CP 16V 10U M 4*5.5 149121001108 16RGV10M4*5.5 1 PCE 149121001133 UWT1C100MCR1GB CAP AL CP 16V 10U M 4*5.4 1 PCE ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 80 CAP MC CP 25V .1U K X7R 0603 1552458000 C0603X104K025T 1 PCE CAP MC CP 25V .1U K X7R 0603 1552458000 C0603X104K025T 1 PCE 1552458000 C0603X104K025T CAP MC CP 25V .1U K X7R 0603 1 PCE ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 81 DIO SW 0.215A 75V SOT-23 SE. 475 E-D-0403-2050 204520700207 BAV99,235 1 PCE DIO SW 0.215A 75V SOT-23 SE. 476 E-D-0403-2050 204520700207 BAV99,235 1 PCE 477 E-D-0403-2050 204520700207 BAV99,235 DIO SW 0.215A 75V SOT-23 SE. 1 PCE ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 82 1 PCE SST39SF010-90-4C-N IC F-EEPROM 128K*8 90NS PLCC32 535 E-IC-0401-2698 2610452084 1 PCE CHOKE CR 100uH L T50-26B 2817127210 E-8770 1 PCE 2921093612 MLB-160808-0120B-N CORE BEAD 100MHZ 120 OHM 0.2A 1 PCE ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 83 HOLDER FOR LED NY66 UL94V-2 6* 3122009500 1 PCE JUMP WIRE BRASS 0.6*7.5*4.0 595 M-WR-0828-0224 3411000300 6 PCE WIRE CU 0.6 TNC 596 M-WR-0828-0402 4010670000 0.1 GRM 597 B-SB-0221-0450 5600200113 MICROPHONE BD ASSY 1 PCE ViewSonic Corporation VX800-3 Confidential – Do Not Copy...
  • Page 84 MICROPHONE ASSY -46+-4dB 0990601015 MD6052UWZ-4 1 PCE PWB D0 L2 FR-4 15.5*60 (MICROP 2973007402 1 PCE CONN PHONE JACK OD3.5 7P 3072230200 JY-3561-F1-070 1 PCE CONN PHONE JACK OD3.5 7P 3072230300 JY-3561-51-070 1 PCE ViewSonic Corporation VX800-3 Confidential – Do Not Copy...

  • Page 85: Circuit Description

    *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...

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