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ViewSonic VA1616W-6 VS12018 Service Manual

16” color tft lcd display
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Service Manual

ViewSonic VA1616W-6
Model No. VS12018
16" Color TFT LCD Display
(Manufacture date: NOV. 2008)
1

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Summary of Contents for ViewSonic VA1616W-6 VS12018

  • Page 1: Service Manual

    Service Manual ViewSonic VA1616W-6 Model No. VS12018 16” Color TFT LCD Display (Manufacture date: NOV. 2008)

  • Page 2: Revision History

    Copyright Copyright © 2008 by ViewSonic Corporation. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of ViewSonic Corporation.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. Precautions and Safety Notices..................4 2. Specification ........................5 3. Front Panel Function Control Description ...............7 4. Circuit Description ......................12 5. Adjusting Procedure ......................17 6. Trouble Shooting Flow Chart ....................22 7. Block Diagrams .........................24 8. Schematic Diagrams ......................25 9.

  • Page 4: Precautions And Safety Notices

    1. Precautions and Safety Notices 1.1 safety precautions This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However, improper use or installation may cause damage to the monitor as well as the user. Carefully go over the following WARNINGS before installing and keep this guide handy.

  • Page 5: Specification

    Portuguese, Russian, Turkish, French, Czech, ViewSonic CD Wizard Hungarian, Simplified Chinese, Traditional Chinese. Greek, Dutch, Bulgarian, Croatian, Romanian, Serbian, Slovak, Slovenian ViewSonic Quick Start Guide One Page Perfect Suite CD Screen Protector Mylar Foot Protector plastic Base assembly Procedure Card...
  • Page 6 2.2 Interface description D-SUB connector pin assignment Pin Number Pin Function Red video input Green video input Blue video input No Connection Ground Red video ground Green video ground Blue video ground H/V sync ground No connection (SDA) Horizontal sync (Composite sync) Vertical sync (SCL)

  • Page 7: Front Panel Function Control Description

    3. Front Panel Function Control Description “Main Menu Controls” Main Menu with OSD controls Front Control Panel shown below in detail Power light Displays the control screen Blue = ON for the highlighted control. Orange = Power Saving Also toggles between two controls on some screens.
  • Page 8 Do the following to adjust the display setting: 1. To display the Main Menu, press button [1]. NOTE: All OSD menus and adjustment screens disappear automatically after about 15 seconds. This is adjustable through the OSD timeout setting in the setup menu. 2.

  • Page 9: Main Menu Controls

    Main Menu Controls Adjust the menu items shown below by using the up and down buttons. Control Explanation Auto Image Adjust automatically sizes, centers, and fine tunes the video signal to eliminate waviness and distortion. Press the [2] button to obtain a sharper image.
  • Page 10 Information displays the timing mode (video signal input) coming from the graphics card in the computer, the LCD model number, the serial number, and the ViewSonic® website URL. See your graphics card’s user guide for instructions on changing the resolution and refresh rate (vertical frequency).
  • Page 11 Control Explanation Setup Menu displays the menu shown below: Language Select allows the user to choose the language used in the menus and control screens. Resolution Notice advises the optimal resolution to use. OSD Position allows the user to move the OSD menus and control screens. OSD Timeout sets the length of time the OSD screen is displayed.

  • Page 12: Circuit Description

    4. Circuit Description ISP Instruction 1The tool for ISP An i486 (or above) personal computer or compatible. Microsoft operation system Windows 95/98/2000/XP. “ISP_Tool V4.4.1.0” program Software ISP SN Alignment kits The kit contents: ISP BOARD x1 Printer cablex1 VGA CABLE X1 2Connect the ISP board as follow: 3 The process of ISP write is as follows: ，running the program as follows:...
  • Page 13 b. Select sure, Click icon, search the program ” VA1616W-TSUM16AWR-CMOM156B1L01-L11G-V103a-081015-DE6F.bin” and click save:...
  • Page 14 C. Click icon, then click . If it burns successfully, it will show as the follow picture:...

  • Page 15: Ddc Instruction

    DDC Instruction 1 General DDC Data Re-programming In case the main EEPROM with Software DDC which store all factory settings were replaced because a defect, repaired monitor’ the serial numbers have to be re-programmed. It is advised to re- soldered the main EEPROM with Software DDC from the old board onto the new board if circuit board have been replaced, in this case the DDC data does not need to be re-programmed.
  • Page 16 3 The process of analog DDC write is as follow: ，appear as follow Figs： Double-click Press “program”,it will show “PASS”,it means download OK. Note: The way of digital DDC write is the same as analog DDC write.

  • Page 17: Adjusting Procedure

    5. Adjustment Procedure 1. All Modes Reset You should do “All Model Reset” (Refer to Chap 3. Hot Keys for Function Controls) first. This action will allow you to erase all end-user’s settings and restore the factory defaults. 2. Auto Image Adjust The Auto Adjust is aimed to offer a best screen quality by built-in ASIC.
  • Page 18 Full Screen 25% White (Gray) Inspection Item: Particle, Line Defect & Mura 8. 50 Gray Test Signal: 1280*1024@60Hz Test Pattern: Full Screen 50% White (Gray) Inspection Item: Bright Dot, Particle, Line Defect & Mura 9. White Box Test Signal: 1280*1024@60Hz Test Pattern: Window standard pattern Inspection Item: Particle, Line Defect, Power, Image Remain &...
  • Page 19 12. Green Test Signal: 1280*1024@60Hz Test Pattern: Full Screen Green Inspection Item: Bright Dot, Partial & Line Defect 13. Blue Test Signal: 1280*1024@60Hz Test Pattern: Full Screen Green Inspection Item: Bright Dot, Partial & Line Defect 14. Gray_Scale_0-100_V64 Test Signal: 1280*1024@60Hz Test Pattern: Vertical 64 (256) Gray Scale (Right →...
  • Page 20 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 5 Figure 6...
  • Page 21 Figure 7 Figure 8 Factory Defaults Item Defaults Item Defaults Contrast Input Priority Brightness 100% Resolution Notice Color Temperature 6500K Volume Sharpness 100% Balance OSD H. Position Treble OSD V. Position Bass OSD Time Out ON for E / G / P model Off for M model only OSD Background 1280x768 / 1366x768...

  • Page 22: Troubleshooting Flow Chart

    6. Troubleshooting Flow Chart...
  • Page 23 Loose or broken pins in the cable connector could cause an improper connection. • Connect the LCD display to another computer. • If you have an older graphics card, contact ViewSonic® for a non-DDC adapter. Control buttons do not work • Press only one button at a time.

  • Page 24: Block Diagrams

    7. Block Diagram...

  • Page 25: Schematic Diagrams

    8. Schematic Diagrams 8.1 main board 8.2 power board...
  • Page 26 TSUM16FWR SCHEMATIC XGA/SXGA LVDS OUTPUT DSUB_R+ DSUB_R+ VCC1.8 DSUB_R- DSUB_R- DSUB_G+ DSUB_G+ VCC3.3 DSUB_G- DSUB_G- VCC1.8 DSUB_SOG DSUB_SOG CMVCC DSUB_B+ DSUB_B+ DSUB_5V DSUB_B- DSUB_B- VCC3.3 CMVCC1 DSUB_H DSUB_H CMVCC1 DSUB_V DSUB_V DSUB_5V DDC1_SDA DDC1_SDA CMVCC VCC3.3 DDC1_SCL DDC1_SCL CMVCC1 DET_CABLE DET_CABLE CMVCC1 VCC3.3...
  • Page 27 According to NDS's request to change According to NDS's request to move type of R101 from 0402 to 0603. the capacitors(C102, C103). H_Sync R101 0R05 1/10W 5% R102 100R 1/16W 5% DSUB_H V_Sync R103 100R 1/16W 5% FB102 DSUB_V R104 C101 VGA_B+ DSUB_B+...
  • Page 28 AVDD VDDP VDDC VCC3.3 VDDP AVDD FB401 U401 VCC3.3 300OHM VCTRL VCTRL C403 C404 LVA3P 0.1uF/16V 0.1uF/16V DSUB_R+ RIN0P LVA3M DSUB_R- RIN0M PA[0..1] DSUB_G+ GIN0P PA[0..1] DSUB_G- GIN0M LVA2P DSUB_SOG SOGIN0 LVA2M DSUB_B+ BIN0P LVA1P DSUB_B- BIN0M LVA1M VCC1.8 VDDC DSUB_H HSYNC0 LVA0P...
  • Page 29 R434 has to be changed from 0805 to 1206 PANEL_VCC CN403 PA[0..1] PB[0..9] PA[0..1] PB[0..9] R434 C420 PA[4..9] PA[4..9] 330 OHM 1/4W 0.1uF/16V CMVCC 2006-11-7 Add pull up 4K7 to MVCC AO3401L CMVCC R433 C419 R435 10K 1/16W 5% 0.1uF/16V PANEL_VCC 4K7 1/16W 5% Q405...
  • Page 30 Due to current limit is too low, change from 93G1004-3 to 93G3004-3. 3/16 BAT54C : IF 10mA,VF=0.4V CMVCC DSUB_5V BAV70 IF 10mA,VF=0.855V(drop voltage too much) 5, 6 CMVCC DSUB_5V 5 VCC3.3 VCC3.3 CN404 BAT54C VCC3.3 D401 R437 R439 CMVCC1 SM340A D402 10K 1/16W 5% 10K 1/16W 5%...
  • Page 31 Power CONN C839 T801 R821 1500PF/50V POWER X'FMR R817 1K 1/8W 10K 1/10W 1% CN801 R855 D805 15R 1/4W LL4148 C819 C801 F801 0.0022uF 30pF/3KV +12V 0 OHM 1/4W C802 R804 Q801 470UF/25V C824 R856 R801 D801 100R 1/8W PMB S3904 D810 0.1uF 15R 1/4W...
  • Page 32 CONN C839 T801 R821 1500PF/50V P O WE R X 'FMR R817 1K 1/8W 10K 1/10W 1% CN801 R855 D805 15R 1/4W LL4148 C819 C801 F 801 0.0022uF 30pF /3KV +12V 0 OHM 1/4W C802 R804 Q801 470UF/25V C824 R856 R801 D801 100R 1/8W...

  • Page 33: Pcb Layout Diagrams

    9. PCB Layout Diagrams...
  • Page 34 CAM350 V 9.0.1 : Mon Sep 22 10:26:29 2008 - (Untitled)
  • Page 35 CAM350 V 9.0.1 : Mon Sep 22 10:18:22 2008 - (Untitled)
  • Page 36 CAM350 V 9.0.1 : Mon Sep 22 10:25:46 2008 - (Untitled)

  • Page 37: Exploded Diagram And Spare Parts List

    CAM350 V 9.0.1 : Mon Sep 22 09:16:28 2008 - (Untitled)
  • Page 38 10. Exploded Diagram and Exploded Parts List...
  • Page 39 T67MRHDD2WV2NNN ViewSonic Model Number:VA1616w-6 Rev: ViewSonic Item Ref. P/N Description Q'ty PANEL A156B1 VSC 750GLM56KB112C000Q CMO/SF6B101D01 CONVERSION CBPC8M5VSQ1 G2904-D-2-VSC-1-080124 095G8018B3D516 LVDS CABLE WIRE HARNESS 6P(PH)-6P(1253HA 095G8014 6DN00 PWPC8621MQDD POWER G2852-1-X-X-9-080218 Q15G0368101 COVER AD 0M1G1730 6120 SCREW,42-D020523 0M1G 330 4120 SCREW 42A9930008...

  • Page 40: Recommended Spare Parts List

    CARTON LABEL N40G000296825A HG Warning label- 77-D023227 N40G0001968 2A S/N LABEL 7741513161 N33G0064 ZK 1A FJ COVER HINGE 40-D022541 N23G3155709 1A VIEWSONIC NAME PLATE 77-D000224 705GN734163 SEAT ASSY 40-D022543 705GN834361 REAR COVER ASSY 705GN734161 STAND ASSY 40-D022540 Q15G0368101 MAIN FRAME...
  • Page 41 089G414A18N YH POWER CORD(32E1818021) N44G6000 1 1A EMPTY CARTON FOR LOADING N07G0011 1 pallet- 78-D024987 EDIDVSC16A001 CHECKSUM 0x00 PWPC8621MQDD POWER G2852-1-X-X-9-080218 CBPC8M5VSQ1 CONVERSION G2904-D-2-VSC-1-080124 KEPC8QS5 KEY BOARD N52G 1211001 HB Conductive Tape 155mm *15mm *0.06mm N23G3178712 1A VSC-BIRD-LOGO 77-D020778 705GN834415 BEZEL ASS'Y 40-D022539 N52G 1VSC006 HB...
  • Page 42 CN404 033G3802 9 WAFER 9P RIGHT ANELE PITCH CN403 033G8027 14 H WAFER 14P 2.0MM DIP C427 067G 3151014KV EC 105℃ CAP 100uF M 25V C426 067G 3151014KV EC 105℃ CAP 100uF M 25V C423 067G 3151014KV EC 105℃ CAP 100uF M 25V C421 067G 3151014KV EC 105℃...
  • Page 43 R111 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R113 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R114 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R115 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R441 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W R118 061G0402102 RST CHIPR 1 KOHM +-5% 1/16W...
  • Page 44 C419 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C417 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C416 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C415 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C401 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C403 065G0402104 15 MLCC 0402 0.1UF K 16V X5R...
  • Page 45 R004 061G0603200 1F RST CHIPR 2 KOHM +-1% 1/10W R001 061G0603300 1F RST CHIPR 3 KOHM +-1% 1/10W R002 061G0603300 1F RST CHIPR 3 KOHM +-1% 1/10W SW005 077G 604 2 TO TACT 5W BY TOUKE TS-9-TMG-553 SW004 077G 604 2 TO TACT 5W BY TOUKE TS-9-TMG-553 SW003 077G 604 2 TO...
  • Page 46 LABEL HI-POT-PASS 77-D005237 F40G000296821A ZA Supplier label N40G000296811C ZA Customer label on Carton N40G000296813B ZA QC PASS LABEL N23G3155709 1A VIEWSONIC NAME PLATE 77-D000224 N23G3178712 1A VSC-BIRD-LOGO 77-D020778 N15G0030 1 Seat Plate 41-D022648 N12G6300002 RUBBER 40A1769201 N15G0032 1 PLATE_LOCK 40A1599954...
  • Page 47 N52G 1VSC006 HB Conductive Tape 60mm *24mm *0.06mm N52G 1185005 SW Vinegar ache rubberized fabric 19(MM)*30(M) N52G 1211002 HB Conductive Tape 90mm *24mm *0.06mm N52G 1211022 HB Conductive Tape 290mm*15mm*0.06mm 0M1G1730 6120 SCREW,42-D020523 0Q1G 130 8120 SCREW 42A9930011 N85G 583503 Gasket 15mm*10mm*3mm N52G6033 17001 HB MYLAR...
  • Page 48 R401 061G0402000 RST CHIP MAX 0R05 1/16W R442 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R426 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R420 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R419 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R418 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R413...
  • Page 49 R109 061G0402390 0F RST CHIP 390R 1/16W 1% R403 061G0402390 0F RST CHIP 390R 1/16W 1% R427 061G0402392 RST CHIP 3.9K 1/16W 5% R428 061G0402392 RST CHIP 3.9K 1/16W 5% R435 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R440 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R448 061G0402472...
  • Page 50 C104 065G0402509 31 CHIP 5pF 50V NPO C108 065G0402509 31 CHIP 5pF 50V NPO C111 065G0402509 31 CHIP 5pF 50V NPO FB402 071G 56K121 M CHIP BEAD FB401 071G 56V301 B CHIP BEAD FCM2012VF-301T07 bullwill FB101 071G 59K190 B 19 OHM BEAD FB102 071G 59K190 B 19 OHM BEAD...

  • Page 51: Different Parts List

    12. Different Parts List Diversity of T67MRHDD2WVSNND compared with T67MRHDD2WV3N2 Location Part No. Description Remark N37G0023 1 HINGE 41-D022650 N40G000196870A S/N LABEL FOR VA1616W EDIDVSC16A003 CHECKSUM 0X9E N41G6002968 5A MANUAL N41G780P968 1A WARRANTY CARD- 78-D021250 F40G 16N968 5A SAFETY LABEL N40G000296838A Energy Star Label N40G000296810A...
  • Page 52 Reader’s basic dada: Name: Title: Company: Add: Tel: Fax: 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)

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