1. Manuals
  2. Brands
  3. ViewSonic Manuals
  4. Monitor
  5. VG700B
  6. Service manual

ViewSonic VG700b Service Manual

17” color tft lcd display
Hide thumbs Also See for VG700b:
Table of Contents

Advertisement

Quick Links

See also: User Manual

Service Manual

ViewSonic VG700b
Model No. VLCDS23719-3W
17" Color TFT LCD Display
(VG700b-1_SM_604 - Rev. 1a – Oct 2002)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

Advertisement

Table of Contents
loading

Related Manuals for ViewSonic VG700b

Summary of Contents for ViewSonic VG700b

  • Page 1: Service Manual

    Service Manual ViewSonic VG700b Model No. VLCDS23719-3W 17” Color TFT LCD Display (VG700b-1_SM_604 - Rev. 1a – Oct 2002) 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 Preface This manual is prepared for the maintenance service for the VG700b series Flat Panel Monitor. Maintenance procedures described in this manual are intended to isolate faulty parts and replace them in the field. It also aims to serve as a guide in procuring replacement parts for this product.

  • Page 4: Table Of Contents

    Disassembly of LCD Panel and Main Board Disassembly of Support Bracket, Speakers and all wires Chapter 4 Function of Boards Main Board Control Board Inverter Board Chapter 5 Troubleshooting Procedure Equipment Needed Main Procedure ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 5 Chapter 10 Packing for Shipping 10-1 10-1 Package 10-1 Chapter 11 Appendix 11-1 11-1 The Serial Number System Definition 11-1 12-1~12- Chapter 1 2 Schematic Diagrams 13-1~13- Chapter PCB Layout Chapter Complete parts list 14-1~14-5 ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • 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. ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 7: Product Highlight

    2 0 cd/m (max),brightness, (min) (typ), 4 0:1 (max) contrast ratio, 400:1(typ), 250:1(min) Lamp number : 4 CCFLs edge-light (2 top/2 bottom) Backlight Life: 50,000 hrs (Typical), 30,000 hrs (Min.) Active Size 337.92mm(H)*270.34mm(V) ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 8 VESA 640*480@75Hz (31.50MHz) VESA 720*400@70Hz (28.320MHz) VESA 800*600@56Hz (36.00MHz) VESA 800*6.00@60Hz (40.00MHz) VESA 800*600@72Hz (50.00MHz) VESA 800*600@75Hz (49.5MHz) MAC 832*624@75Hz (57.272MHz) VESA 1024*768@60Hz (65MHz) VESA 1024*768@70Hz (75.000MHz) VESA 1024*768@72Hz (78.000MHz) MAC 1024*768@75Hz (80.000MHz) ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 9 Mechanical & Environmental Condition Width*Height*Depth: 410.0mm*421.4mm*191.2mm Monitor Weight: 5.2kgs/11.4lbs Operating Temperature: C to +40 Storage Temperature: C to +60 Operating Relative Humidity: 10% to 95% Non-Condensing Storage Relative Humidity: 10% to 95% Non-Condensing ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 10: Chapter 2 Mechanical Construction

    Chapter 2 Mechanical Construction Package Overview ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 11 VG700 LCD DISPLAY; DC.58302.001 "VIEWSONIC",AU-M170EN05,USA P-FM-0602-0752 56.58301.001 CUSHIONS R EPS VG700 P-FM-0602-0753 56.58302.001 CUSHIONS L EPS VG700 P-BX-0601-0748 55.58301.002 CARTON AB VG700B PE BAG LDPE 540*750*0.04t M-MS-0808-8141 51.00081.002 W/HOLE ADAPTER IN:100-240V A-AD-0114-0149 47.58301.001 OUT:12V/3.33A;LSE CABLE AUDIO 1.8M LM/BK/LM A-AU-0120-0032 42.59903.001...

  • Page 12: Exploded Overview

    Exploded Overview ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 13 42.58302.001 7 M-WR-0828-0632 W.A. 12P UL1571 #28 260mm (MB TO CRTL) 42.58203.001 8 M-WR-0828-0636 W.A. 10/6P UL1007 #1007 #24 100mm VG700(INV 42.58301.001 9 C-BC-0302-0442 REAR COVER ABS HB-VS08 VG700b 51.58302.002 LOCK BRKT TINPLATE 0.5t PV880 61.56005.002 11 E-SK-0412-0049 ASSY SPEAKER MODULE MEI SHAN HB34 49.58301.001...

  • Page 14: Chapter 3 Procedure Of Disassembly

    Disassembly of Stand Unit and Main Body Hinge Cap Main Unit Rear Arm Lay VG700b Monitor face down to take off Rear Arm and Hinge Cap. Unscrew the four screws to remove the Stand and Main Unit. Stand Unit Hinge Tilt Unit...

  • Page 15: Disassembly Of Control Board, Cosmetic Cap And

    Cosmetic Cap. Unplug the Control Wire and unscrew the three screws to remove the Control Board. Front Cover Main Unit Unscrew the two screws of Front Cover to remove it from Main Unit. ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 16: Disassembly Of Lcd Panel And Main Board

    Unscrew the two hex screws and turn over the monitor first; then unscrew the four screws and unplug all wires on Main Board to remove it. Unscrew the two screws and unplug the wires of Inverter Board to remove it. ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 17: Disassembly Of Support Bracket, Speakers And All Wires

    Unscrew the eight screws on Speakers to remove it. tape, unscrew the four screws and unplug all wires Remove the from Support Bracket. Lock Bracket Tinplate the Lock Bracket Tinplate from Rear Cover. Remove ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 18: Chapter 4 Function Of Boards

    The Location of Connectors Con2 Con5 Con1 4-1.2 CON1: VGA Connector i t c i t c i t c i t c l a i z i r i t r l a i ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 19 4-1.4 CON5: Inverter Connector i t c g i r r t n g i r r t n 4-1.5 J1: Phonejack Stereo Sw.Connector ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 20 ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 21: Control Board

    Control Board 4-2.1 The Location of Connectors CON2 4-2.2 CON2: OSD Key Connector i t c l l a t i u t i u ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 22: Inverter Board

    4-3.1 The Location of Connectors 4-3.2 CN1 Connector i t c g i r g i r r t n 4-3.3 CN2 Connector i t c 4-3.4 CN3 Connector i t c ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 23: Chapter 5 Troubleshooting Procedure

    Chapter 5 Troubleshooting Procedure Equipment Needed VG700b Monitor PC (Personal Computer) with 1280*1024resolution Screw Driver Main Procedure Start Power-on A. Power Circuit Power LED ok ? Troubleshooting Is display B. Performance performance ok ? Troubleshooting Is function C. Function adjustment ok ? Troubleshooting D.
  • Page 24 Is screen black ? Inverter Board LCD Panel Main Board Change Change Change Is screen white ? FPC Cable LCD Panel Main Board Change Change Abnormal Color ? LCD Panel Main Board ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 25 “Fine tune” or Have line bar or noise? Main Board “Auto Image Adjust” Check the Connect VGA Ghost image ? Compatibility on cable to the PC the computer directly Feedback info. View Sonic ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 26 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 ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 27: 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, ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 28: Test Display Modes & Pattern

    800*600 48.1 VESA SVGA 800*600 46.9 VESA SVGA 832*624 49.7 1024*768 60.2 1024*768 48.4 VESA XGA 1024*768 56.5 VESA XGA 1024*768 60.0 VESA XGA 1280*1024 64.0 VESA SXGA 1280*1024 80.0 VESA SXGA ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 29 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) ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 30: Viewsonic Corporation

    G. Color Pattern (Figure 5) B. Color Pattern (Figure 6) Full White Pattern (Figure 7) Dark Screen Pattern (Figure 8) ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 31: Chapter 6 Function Test And Alignment Procedure

    6-5.1 All Mode Reset Input signal to VG700b, turn off the power of VG700b. Press “ ”, “ ” and “Power on” buttons on the select knob simultaneously for 3-5 seconds, release “Power on” button first, then else buttons. The screen will show “All Mode Reset”.
  • Page 32 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) ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 33: Cleaning

    Please use non-alcohol cleanser to clean LCD panel and cosmetics material with soft cotton. Inspection Standard Appearance Inspection: Scratches/Abrasions Mechanical: Face A: Not Allowed Figure 1: Face A View Face B: Length:12.7mm, Width: 0.25mm (2 lines,scrapes) Figure 2: Face B View ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 34 Face C: Length:76mm Width:0.76mm (2 lines,scrapes) Figure 3: Face C View Face D: Length:89mm Width:0.76mm (2 lines,scrapes) Figure4: Face D View ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 35: Chapter 7 Firmware Upgrade Procedure

    1.)Check FW version, it should be upgraded to latest version if it is old. 2.)Every time after Firmware upgrade, need to do DDC Keyin Procedure. Electronically the VG700b is compatible with VG700. Please follow the procedures shown in chapter 7 and 8 to upgrade the firmware and EDID data.

  • Page 36: Hardware Setup Procedure

    Hardware Setup Procedure Connect Con1 of Fixture to VGA Port of PC. Connect Con2 of Fixture to VGA Port on VG700b monitor. Connect Con 3 of Fixture to Print Port of PC. Firmware Upgrade Procedure Save “Firmware upgrade” program in Computer: ViewSonic Corporation Confidential –...
  • Page 37 Get into DOS mode. Get into “Firmware upgrade” program where you save. ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 38 Get into“Burn In Mode”(Ref.6-2), press any buttons besides “Power” button to check the firmware version if it is correct. Unplug Power Cord and plug it again. After finish Firmware upgrade, you should do “All Mode Reset”. (Ref.6-2), Check Firmware version. ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 39: Chapter 8 Edid Update Procedure

    Chapter 8 EDID Update Procedure Equipment Needed Notice: Upgrade your monitor with DDC when Main board is replaced VG700b monitor Fixture for DDC Keyin VGA Cable (P/N: 42.59901.004)* 2pcs PC (Personal Computer) DDC Keyin Program Power Adapter (P/N: 47.58301.001) Printer Cable...

  • Page 40: Hardware Setup Procedure

    Hardware Setup Procedure Connect Con1 of Fixture to VGA Port of PC. Connect Con2 of Fixture to VGA Port on VG700b monitor. Connect Con 3 of Fixture to Print Port of PC. DDC Keyin Procedure Save “DDC Keyin” Program in Computer: ViewSonic Corporation Confidential –...
  • Page 41 Get into DOS mode. Get into “DDC Keyin” program where you save. ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 42 Key in “VG700V1” after DDC EDID Data Source file (740DDC.DAT)=? Key in S/N (Serial Number) or use bar code reader scanning, then press “Enter” to begin programming. ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 43 Press “ 1 ” on the select knob. then choose “information” to check if S/N is correct. Get into “Burn In Mode” (Ref.6-2), press any button besides “Power” button to double check if the S/N is correct. ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 44: Chapter 9 Panel Specification

    >85% Min. (5 points measurement) Viewing Angle H, V (CR>10) , V=140 Response time (ms) Typical Tr=25ms; Tf=15ms, Maximum Tr=35ms; Tf=25ms Number of Backlight 4 CCFL Backlight Life 50,000 hours (Typ.)/ 30,000 hours (Min.) ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 45: Chapter 10 Packing For Shipping

    Take the ESD Bag to put on the Monitor, then fold the surplus ESD bag and paste the tape. Paste the tape on it. Put the Cushions on the monitor. (Figure 3) Right Cushion Left Cushion 10-1 ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 46 4. Pay attention to the direction the monitor should face, when inserting it into the carton, to ensure adequate protection during shipment. Rear of Monitor Front of Monitor 10-2 ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 47 (c) Put Warranty card into User’s guide set, attention the direction. (d) Paste the Shipping warranty sticker on the Carton, Notice: TCO99 mark must be coverd. Shipping Warranty sticker Warranty card shipping warranty sticker 10-3 ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 48 Warranty sticker Warranty card label barcode Envelope Warranty card Shipping Bag Notice: Warranty card can’t be put on the View Sonic logo. View Sonic logo Paste it on the Carton label 10-4 ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 49 (3)Audio cable (4)Power adapter and then put User guide into Carton. Rear side of user manual Power cord Power VGA cable adapter Audio cable Paste the transparent adhesive tape on the Carton 10-5 ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 50: Chapter 11 Appendix

    : WW: Manufacturing week : AAAAA: Sequence number A1R021200003 This label “ ” represents whole serial number for VG700 A1R021200003 series model. It’s produced on 12-week of 2002 and its serial code is 00003. 11-1 ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 51 : G1 = Version (ex: G1..etc.) : EEEE = Serial Code (from 0001~) EX: MI7M29G10003 This label “MI7M23G10003” represents Main board of version G1 for VG700b on Sept., 2002. Its serial code is 0003. 11-2 ViewSonic Corporation Confidential – Do Not Copy...
  • Page 52 FB_G FB_G 5VIN2 +3.3OUT2 0805/600 100U 100U Screw Pad Screw Pad 0.1U FB_G LT1117 SOT_223 ViewSonic Corporation Title Input / AD9883 G84P Size Document Number AD9883 PLL VG700 12-1 Confidential – Do Not Copy Date: Wednesday, June 05, 2002 Sheet...
  • Page 53 PROM CLOCK 14.318MHZ W78B 62P Ketpad CTRL SIGNA L Control DVD1 CTRL Amplifier R 16 AN7522 L 16 ViewSonic Corporation Title DIAGRAM Size Document Number VG700 Date: Wednesday, June 05, 2002 Sheet M04-3005F1 Rev.A Confidential – Do Not Copy 12-2...
  • Page 54 A2RED5 B2GRN4 A2GRN4 A1RED5 A2RED4 B2GRN5 A2GRN5 A1RED4 B2GRN6 A2GRN6 B2GRN7 A2GRN7 100X4 CP12 ViewSonic Corporation 47pX4 Title LVDS/Output Interface Size Document Number 12-3 VG700 Confidential – Do Not Copy Date: Wednesday, June 05, 2002 Sheet GNDP M04-3005F1 Rev .A...
  • Page 55 HEADER4X1 3904 Debug & OSD Key GNDP Pitch 2.54mm Switch Control 3904 SOT_23 Switch Control SOT_23 Vfanout ViewSonic Corporation Title MPU/IO Interface and Power Size Document Number 12-4 Confidential – Do Not Copy VG700 Date: Wednesday, June 05, 2002 Sheet...
  • Page 56 Video Input For SAA7114 XTALO VIDEO1 C170 VIDEO0 14.318MHz Crystal TP6732/TP6740 GNDA1 GNDA2 GNDM GNDP TSCL MPU_SCL C191 ViewSonic Corporation Title GNDA3 Scaler:TP6732 Size Document Number Confidential – Do Not Copy VG700 12-5 FSDATA[0..15] Date: Wednesday, June 05, 2002 Sheet M04-3005F1 Rev .A...
  • Page 57 PHSYNC 4 DCLK ODCLK C183 C184 C186 C185 C187 GNDP GNDP GNDP GNDP GNDP ViewSonic Corporation Title Video Memory & Connector Size Document Number 12-6 VG700 Confidential – Do Not Copy Date: Wednesday, June 05, 2002 Sheet M04-3005F1 Rev .A...
  • Page 58 U6,28 STANDBY COIL 1206 +12V 1206 C200 470uF 0.01uF 0603-600 R110 36K AAINL1 0603-600 R111 36K AAINR1 ViewSonic Corporation C206 C207 Title PHONEJACK STEREO SW AUDIO AMPLIFIER 0.01uF 0.01uF Size Document Number VG700 Date: Wednesday, June 05, 2002 Sheet 12-7 Confidential –...

  • Page 59: Viewsonic Corporation

    VG700b 13-1 ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 60 VG700b 13-2 ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 61 VG700b 13-3 ViewSonic Corporation Confidential – Do Not Copy VG700b...

  • Page 62: Confidential - Do Not Copy

    ASSY SPEAKER 3W/16R 3mm EVA FILM/PU MATERIA E-SK-0412-0057 49.58502.002 SPEAKER FRONT COVER FRONT COVER ABS HB-VS08A;VG700b C-FP-0301-0901 51.58301.002 REAR COVER REAR COVER ABS HB-VS08A VG700b C-BC-0302-0442 51.58302.002 BASE COVER BASE COVER ABS HB-VS08;VG700b M-CV-0830-2343 51.58311.002 FRONT ARM FRONT ARM ABS HB-VS08;VG700b M-MS-0808-8300 51.58312.002...
  • Page 63 COMPLETE PARTS LIST Date: Sep-24-2002 Item: 95.58304.00V Description: VG700b LCD DISPLAY;"VIEWSONIC", Midnight Gray, AU-M170EN04,WW UOM: SET Item ViewSonic P/N Component Description Q'ty Leve Substitutes Location DC.58302.001 D.C. VG700b,AUO (MIDNIGHT GRAY) 35.58303.002 LABEL BRACKET 168*82.5mm VG700b M-LB-0813-0726 35.58302.001 LABEL BAR CODE 40*40mm ViewSonic 35.58304.001...
  • Page 64 INDCTR BEAD #0805 100MHz 30R MLB201209-0030 L2, L3, L4..4 03.00129.401 INDCTR BEAD #1206 100MHz 300R MLB321611-030 D7, D8, L18, L22..4 03.15100.301 INDCTR CHOKE 150uH 20% 3A DIP A0060D1 "ARON 14-3 ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 65 DIODE LED GREEN/RED DIP D3.0mm L-115VEGW " ...4 11.122M2.302 CNNT M 12P 2mm RT/LEAD P-220-2*6-R CON2..4 35.00016.001 LABEL BARCODE 6*38mm BLANK ...4 43.52102.002 SWITCH PUSH PT-002-B2 DC12V 50mA SW1, SW2, SW3, SW4, SW5,SW7, SW8.SW6, 14-4 ViewSonic Corporation Confidential – Do Not Copy VG700b...
  • Page 66 PACKING STRAP 12MM*2000M*0.6MM 0.023 51.00070.001 PE STRETCH FILM 500MM*1500M*0.02MM ROL 0.0003 51.00080.001 3 INCH TRANSPARENT ADHESIVE TAPE (600M) 0.002 M-MS-0808-8334 51.00081.005 EPE BAG 540*750*0.5t W/HOLE VG700b 55.55103.001 CORNER BOARD 50*50*5*1050mm 0.133 55.56707.001 CORNER BOARD 50*50*740mm 0.05 55.57202.001 CORNER BOARD 50*50*5*960mm 0.05 55.57503.001...

This manual is also suitable for:

Vlcds23719-3w

Table of Contents