ViewSonic VX2000-1 Service Manual
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ViewSonic VX2000-1 Service Manual

20.1" color tft lcd display
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Service Manual
ViewSonic VX2000-1
Model No.VLCDS23723-1W
20.1" Color TFT LCD Display
(VX2000-1_SM_558 -Rev.1a-Oct 2002)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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  • Page 1 All manuals and user guides at all-guides.com Service Manual ViewSonic VX2000-1 Model No.VLCDS23723-1W 20.1” Color TFT LCD Display (VX2000-1_SM_558 -Rev.1a-Oct 2002) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...
  • Page 2 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

    6-7 Inspection Standards Chapter 7 Firmware Upgrade Procedure 7-1 Equipment Needed 7-2 Setup Procedure 7-3 Firmware Upgrade Procedure Chapter 8 DDC Key in Procedure 8-1 Equipment Needed 8-2 Setup Procedure 8-3 DDC Key Procedure ViewSonic Corporation VX2000-1 Confidential – Do Not Copy...
  • Page 4 Chapter 9 Panel Specification 9-1 LCD Panel (Model# FLC51UXC8V) Chapter 10 Schematic Diagram & PCB Layout 10-1 Schematic Diagram 10-2 PCB Layout Chapter 11 Appendix 11-1 The Serial Number System Definition 11-2 Reader’s Response VX2000-1 ViewSonic Corporation Confidential – Do Not Copy...

  • Page 5: Precautios 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 VX2000-1 Confidential – Do Not Copy...

  • Page 6: Chapter 1 Introduction

    Do not operate the product under the following conditions: * Extremely hot, cold or humid environment. * Areas susceptible to excessive dusts and dirt * Near any applicance generating a strong magnetic field. * Place in direct sunlight. VX2000-1 ViewSonic Corporation Confidential – Do Not Copy...

  • Page 7: Product Highlight

    90 to 264 VAC Input Frequency Range: 47.5 to 63 Hz Output Voltage@0 ~ 6.66A Load: 12V DC +/- 5% Over Current Protection 8.66A typ at 12.6 VDC Power Consumption 80 Watts (typ.) VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 8 640*480@72Hz, 37.9kHz 640*480@85Hz, 43.27kHz 720*400@70Hz, 31.5kHz 800*600@56Hz, 35.1kHz 800*600@60Hz, 37.9kHz 800*600@75Hz, 46.9kHz 800*600@72Hz, 48.1kHz 800*600@85Hz, 53.7kHz 1024*768@60Hz, 48.4kHz 1024*768@70Hz, 56.5kHz 1024*768@72Hz, 58.1kHz 1024*768@75Hz, 60.0kHz 1024*768@85Hz, 68.67kHz 1280* 2 @60Hz, kHz 1600*1200@60Hz, 1280*1024@60Hz, 63.4kHz VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 9 Mechanical & Environmental Condition Width*Height*Depth: 483.0mm*502.1mm*69.5mm(exclude Stand) 483.0mm*502.1mm*210.35mm(full set) Monitor Weight 8.4kgs/18.5lbs Operating Temperature: C to +40 Storage Temperature: C to +60 Operating Relative Humidity: 20%~85% RH Non-Condensing Storage Relative Humidity: 5%~85% RH Non-Condensing VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 10: Chapter 2 Mechanical Construction

    All manuals and user guides at all-guides.com Chapter 2 Mechanical Construction Package Overview VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 11 All manuals and user guides at all-guides.com 2-1.1 Replacement Parts List i r c i t p s e i . 6 / VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 12: Exploded Overview

    All manuals and user guides at all-guides.com Exploded Overview VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 13 All manuals and user guides at all-guides.com 2-2.1 Replacement Parts List i r c i t p c i n " 1 c i n t 0 . t 0 . VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 14 All manuals and user guides at all-guides.com i r c i t p c i n VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 15: Chapter 3 Procedure Of Disassembly

    Lay VX2000 Monitor face down to take off Rear Arm and Hinge Cap. Stand Unit Hinge Tilt Unit Base Unit Unscrew the four screws to remo e the Stand and Main Unit. Unscrew the four screws to remove the Hinge Tilt and Base Unit. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 16 Press the tenon of two sides to remove the Front Arm and Hinge Tilt. Base Cover Base Plate Mic Board Unscrew the four screws to remove the Base Cover and Plate. Unscrew the two screws to remove the Mic Board from Base Cover. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 17: Disassembly Of Control Board, Cosmetic Cap And

    Unplug the Control wire and unscrew the two screws to remove the Control Board. Main Unit Front Cover Unscrew the three screws of Front Cover and push from down to up to remove it from Main Unit. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 18: Disassembly Of Lcd Panels And Main Board

    Remove the LCD Panel. Main Board Unscrew the four screws on the Main Board. Turn over the Rear Cover Unit and unscrew the four hex screws. Turn over it again and remove the Main Baord. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 19: Disassembly Of Support Bracket And Speakers

    Unscrew the eight screws on Support Bracket to remove it. Unscrew the eight screws on the Speakers to remove it. Lock Bracket Tinplate the Lock Bracket Tinplate from Rear Cover. . Remove VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 20: Chapter 4 Function Of Boards

    JP1: Inverter Connector i r c i t p i t c i l k f f o r t n i t c g i r g i r s u j VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 21 VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 22 JR7 Connector: PhoneJack Stereo Sw. Connector i t c t f e 4-1.5 JP8 Connector: OSD Key Connector i r c i t p i t c t f e i t c VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 23 JR4 Connector: VGA Connector i t c e u l i t c e u l i t c l a i z i r t r e a c i l a i VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 24 VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 25: Control Board

    4-2.1 The Location of Connectors 4-2.2 J1 Connector: OSD Key Connector i r c i t p i t c t f e i t c c e l c e l VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 26 All manuals and user guides at all-guides.com 4-2.3 J2 Connector: Speakers Connector i t p i t c t f e VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 27: Chapter 5 Troubleshooting Procedure

    Power-on A. Power Circuit Power LED ok ? Troubleshooting Is display B. Performance performance ok ? Troubleshooting Is function C. Function adjustment ok ? Troubleshooting D. Speakers Are Speakers all right? Troubleshooting VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 28 Is screen black ? Inverter Board Main Board LCD Panel Change Change Change Is screen white ? FPC Cable Main Board LCD Panel Change Change Abnormal Color ? Main Board LCD Panel VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 29 Have line bar or noise? “Fine tune” or “Auto Main Board Image Adjust” Check the Connect VGA Ghost image ? Compatibility on cable to the PC the computer directly Feedback info. View Sonic VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 30 All manuals and user guides at all-guides.com 5-2.3 C. Function Troubleshooting Start Change Change Control Main Board Board and Retry and Retry 5-2.4 D. Speakers Troubleshooting Start Change Change Main Board Speakers and Retry and Retry VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 31: Product And Test Equipment

    Before function test and alignment, each LCD monitor should be run-in and warmed-up for at least 2 hours with the following conditions: In Room Temperature, With full-white screen, R.G.B. Black With cycled display modes, VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 32: Test Display Modes & Pattern

    640*480@60Hz, 31.5kHz 640*480@75Hz, 37.5kHz 640*480@72Hz, 37.9kHz 640*480@85Hz, 43.27kHz 720*400@70Hz, 31.5kHz 800*600@56Hz, 35.1kHz 800*600@60Hz, 37.9kHz 800*600@75Hz, 46.9kHz 800*600@72Hz, 48.1kHz 800*600@85Hz, 53.7kHz 1024*768@60Hz, 48.4kHz 1024*768@70Hz, 56.5kHz 1024*768@72Hz, 58.1kHz 1024*768@75Hz, 60.0kHz 1024*768@85Hz, 68.67kHz 1280*1024@60Hz, 63.4kHz 1600*1200@60Hz, VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 33 L / l e n i a i l Fine Line Morie Pattern (Figure 1) Gray Scale Pattern (Figure 2) Horizontal & Vertical Thickness Pattern (Figure 3) R. Color Pattern (Figure 4) VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 34 All manuals and user guides at all-guides.com G. Color Pattern (Figure 5) B. Color Pattern (Figure 6) Full White Pattern (Figure 7) Dark Screen Pattern (Figure 8) VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 35: Function Test And Alignment Procedure

    Select and enter “Manual Image Adjust” function on OSD Main Menu. Then, select and enter “Horizontal/Vertical Position” or “Scaling\Fit All” function to adjust the video Boundary to be full scanned and within screen frame. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 36 6-5.9 All Mode Reset After final QC step, we have to erase all saved changes again and restore the factory defaults. You should do “All Mode Reset” again. (ref. 6-5.1) VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 37: Cleaning

    Please use non-alcohol cleanser to clean LCD panel and cosmetics material with soft cotton. Inspection Standard Appearance Inspection: Scratches/Abrasions Mechanical: (2 lines,scrapes) Face A: Not Allowed Figure 1: Face A View Face B: Length:12.7mm, Width: 0.25mm Figure 2: Face B View VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 38 All manuals and user guides at all-guides.com Face C: Length:76mm Width:0.76mm Figure 3: Face C View Face D: Length:89mm Width:0.76mm Figure4: Face D View VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 39: Equipment Needed

    P1: to RS232 cable Power Adapter VGA Cable JP1: to Power Adapter Connect to (47.58701.001) DFP-DVI Cable Fixture B JP3: to Power Adapter P1: to RS232 cable COM1: to RS232 cable P2: to VGA cable VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 40 Connect PC to the additional monitor. Power on the Fixture. Do not plug power cord into monitor. 7-3. Firmware Upgrade Procedure Click “Flash Upgrader” icon on the window, and Click “Next” icon. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 41 All manuals and user guides at all-guides.com Search <pwSDK.inf> from Browse and then Click “Next” icon. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 42 Search the Serial Port which you connect with the Fixture and then Click “Next”. After the message “Download progress for file Flasher.Hex” appears, plug the power cord into VX2000, then it will be programming automatically. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 43 “Finish” icon, and do “All Mode Reset” to finish the firmware upgrade procedure. After finishing Firmware Upgrade Procedure, go to “Burn In Mode” (Ref 6-2), press any button besides “Power” button to check the Firmware version if it is correct. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 44: Chapter 8 Ddc Key In Procedure

    JP1: to Power Adapter VGA Cable Connect to (47.58701.001) DFP-DVI Cable Fixture B JP3: to Power Adapter P1: to RS232 cable COM1: to RS232 cable P2: to VGA cable P3: to DFP-DVI cable VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 45: Setup Procedure

    Connect DFP-DVI cable between P3 of Fixture and VX2000. Plug Power Adapter into Fixture. Plug Power Cord into VX2000, monitor should be “turn off”. Connect PC to the additional monitor. Power on the Fixture. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...

  • Page 46: Ddc Key Procedure

    All manuals and user guides at all-guides.com 8-3. DDC Key-in Procedure Run <VX2000V2.EXE> program in the computer. Key-in S/N (serial number) or use the bar code reader scaning, then press “Enter” to begin programming. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 47 Get into “Burn In Mode”(Ref 6-2) press any button besides “Power” button to check if the S/N is correct. Connect PC signal to VX2000. Press “ 1 ” on the select knob, then choose “Information” to double check if the S/N is correct. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 48 >70% (9 points measurement) Viewing Angle H, V (CR>10) H:170 , V=170 Response time (ms) Typical Tr=15ms; Tf=10ms Number of Back Light (CCFL) 6 edge type back light Backlight (hrs) 50,000 hours VX2000-1 Confidential – Do Not Copy ViewSonic Corporation...
  • Page 49 All manuals and user guides at all-guides.com Chapter 10 Schematic Diagram & PCB Layout...
  • Page 50 VPLL R1 2 1.8V U5 7 R320 R319 R321 R322 VIN VOUT PVCC1 AVCC1 1.8V R334 C440 C439 R333 ViewSonic Corporation Title VX2000 Size Document Number POWER Date: Sheet M04-3005F1 R ViewSonic Corporation 10-1-1 Confidential – Do Not Copy VX2000...
  • Page 51 R209 VGA5V R298 VGA_D ET ADDCSDA ADDCSCL ADDCSCL ADDCSDA R210 +5VESD VCLK C458 VGA5V -A/B VEDIDEN ViewSonic Corporation R359 DSCL Title DSDA VX2000 Size Document Number DSUB INPUT Date: Sheet M04-3005F1 RE ViewSonic Corporation 10-1-2 Confidential – Do Not Copy...
  • Page 52 DATACK VSYNC1 DATACKB R260 R350 R259 SD A HSOUT GCLK VSOUT SOGOUT ASOGO RN13 VAA3.3V VAA3.3V C448 VPLL ViewSonic Corporation Title VX2000 Size Document Number Custom AD9888 Date: Sheet M04-3005F1 REV ViewSonic Corporation 10-1-3 Confidential – Do Not Copy VX2000...
  • Page 53 R281 -5VA OUT1 AGIN0 IN2B R282 OUT2 ABI N0 IN1B DVCC R278 R279 R280 IN0B C426 C424 C425 ViewSonic Corporation Title VX2000 Size Document Number DVI INPUT Date: Sheet M04-3005F1 RE ViewSonic Corporation 10-1-4 Confidential – Do Not Copy VX2000...
  • Page 54 R343 RN26 ODCK GCLK GPEN VSYNC DOVS HSYNC DOHS R335 CTL1 SCLa R336 CTL2 SDAa CTL3 R337 R322 1.8V ViewSonic Corporation PVCC1 AVCC1 AVCC1 R342 Title VX2000 C104 C110 C100 C101 C102 C103 C105 C106 C107 C108 C109 Size Document Number...
  • Page 55 V25X V25X V25X V25X C231 C232 C233 C234 C235 C236 C237 C238 C239 C240 C241 C242 U23E Power and Ground ViewSonic Corporation Title VX2000 V25X V25X V25X V25X V25X V25X V25X V25X V25X V25X Size Document Number C244 C245 C246...
  • Page 56 SEL 1 IA20 R132 VOL_DOWN R133 IA21 BOOT WE POWER ROMOEn ROMWE n D[1 5:0] C407 OE1/ CS1n OE2/ ViewSonic Corporation VGA_D ET DVI_DET Title SCDT VX2000 S_OK COMP_OK Size Document Number MEMORY A[19:0] Date: Sheet M04-3005F1 RE ViewSonic Corporation 10-1-7 Confidential –...
  • Page 57 RNMI C360 NM I U3 0B C359 BHEN n WR15n RWR1n R143 R142 C263 NMI1 C264 RST1 ViewSonic Corporation R136 LED A Title LEDA LEDAMB VX2000 Size Document Number RESET & EXTCLK R137 LED G LED G LEDG RN Date:...
  • Page 58 CKAIN+ BLON R275 RAIN3- RAIN3- RAIN3+ RAIN3+ RBIN0- RBIN0- RBIN0+ RBIN0+ RBIN1- RBIN1- RBIN1+ RBIN1+ RBIN2- RBIN2- RBIN2+ RBIN2+ ViewSonic Corporation CKBIN- CKBIN- CKBIN+ CKBIN+ SELLVDS Title RBIN3- RBIN3- VX2000 RBIN3+ RBIN3+ LVDSON R316 Size Document Number LVDS Date: Sheet...
  • Page 59 C379 Audio AMP_12V JMP1 JMP2 +18_12V C322 Vout C316 C317 C314 C385 R264 C390 C315 R16 3 ViewSonic Corporation R16 4 C386 C389 Title VX2000 C388 Size Document Number C387 AUDIO Date: Sheet M04-3005F1 RE ViewSonic Corporation 10-1-10 Confidential – Do Not Copy...
  • Page 60 R354 REXT/CEXT REXT/CEXT C454 U60A U6 0B GFO 1 GFO 2 C451 CEXT R355 C452 CEXT R356 REXT/CEXT REXT/CEXT ViewSonic Corporation Title VX2000 Size Document Number LOGIC Date: Sheet M04-3005F1 RE ViewSonic Corporation 10-1-11 Confidential – Do Not Copy VX2000...
  • Page 61 EN_1 EN_2 EN_3 +5V_CTRL +5V_TS +5V_TS Sin_1 Sin_2 Sin_3 Sin_4 Sin_5 Sin_6 Sin_7 Sin_8 ViewSonic Corporation Title VX2000 Size Document Number CONTROL BD Date: Thursday, June 27, 2002 Sheet M04-3005F1 REV.A ViewSonic Corporation 10-1-12 Confidential – Do Not Copy VX2000...
  • Page 62 All manuals and user guides at all-guides.com ViewSonic Corporation Title VX2000 Size Document Number ViewSonic Corporation Date: Tuesday, July 02, 2002 Sheet 10-1-13 Confidential – Do Not Copy VX2000 M04-3005F1 REV.A...
  • Page 63 All manuals and user guides at all-guides.com ViewSonic Corporation 10-2-1 Confidential – Do Not Copy VX2000...
  • Page 64 All manuals and user guides at all-guides.com ViewSonic Corporation 10-2-2 Confidential – Do Not Copy VX2000...
  • Page 65 All manuals and user guides at all-guides.com CAM350 V 5.0 : Tue Jul 2 17:52:30 2002 - (Untitled) : comp.lgr ViewSonic Corporation 10-2-3 Confidential – Do Not Copy VX2000...
  • Page 66 All manuals and user guides at all-guides.com CAM350 V 5.0 : Tue Jul 2 17:52:32 2002 - (Untitled) : slk1_update.lgr ViewSonic Corporation 10-2-4 Confidential – Do Not Copy VX2000...
  • Page 67 All manuals and user guides at all-guides.com CAM350 V 5.0 : Tue Jul 2 17:52:32 2002 - (Untitled) : sold.lgr ViewSonic Corporation 10-2-5 Confidential – Do Not Copy VX2000...
  • Page 68 : WW: Manufacturing week : AAAAA: Sequence number EX: A17021300016 This label “A17021300016” represents whole serial number for VX2000 series model. It’s produced on 13-week of 2002 and its serial code is 00016. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation 1 -1...
  • Page 69 EEEE = Serial Code (from 0001~) EX: MG9M23G90014 This label “MG9M23G90014” represents the vendor is Might and Main board of version G9 for VX2000 on March, 2002. Its serial code is 0014. VX2000-1 Confidential – Do Not Copy ViewSonic Corporation 11-2...
  • Page 70 *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 VX2000 series Service Manual?

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