ViewSonic VS11985 Manuel de service

ViewSonic VX2240W-4 Model No. VS11985 22” Color TFT LCD Display (Manufacture date: NOV. 2008)

7 7500K - Adds blue to the screen image for cooler white (used in most office settings with fluorescent lighting). 6500K-Adds red to the screen imag

8 Setup Menu displays the menu shown below: Language Select allows the user to choose the language used in the menus and control screens.

9 4. Circuit Description The NT68670 is a highly integrated flat panel display controller that interfaces analog, digital, and video inputs. It co

10 Writer Ver 3.0 Setp1: Setup EasyUSB WriterV3.0.exe

11 Setp2: Enter :

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13 Step 3 : Find Writer in this program. Step 4 : OptionàConfigurationàCHIMEIàConfirm change

14 Step 5 : Print to D-Sub and DVI-D Step 6 : BIOS update: Load FileàAutoàFinish Choose tools for CMO The IIC speed catches by progr

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16 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 wi

1 Copyright Copyright © 2008 by ViewSonic Corporation. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed

17 7. 25 Gray Test Signal: 1280*1024@60Hz Test Pattern: Full Screen 25% White (Gray) Inspection Item: Particle, Line Defect & Mura 8. 50 Gr

18 11. RED Test Signal: 1280*1024@60Hz Test Pattern: Full Screen Red Inspection Item: Bright Dot, Partial & Line Defect 12. Green Test Sig

19 Item Pattern Description Remark 1 Gray_Scale_0-100_V Vertical 64 (256) Gray Scale (右→左，From 0 to 100% White) Figure 1 2 Gray_Scale_0-100_H Hori

20 Figure 5 Figure 6 Figure 7 Figure 8

21 6. Troubleshooting No power • Make sure power button (or switch) is ON. • Make sure A/C power cord is securely connected to the LCD display. • P

22 7. Block Diagram

23 8. Schematic Diagrams Main board TOP +5VMUTEAMP_SHDNVOL_PWMSPK_R+SPK_R-SPK_L+SPK_L-RX2-B303_SCALERB_D[0..19]F_D[0..19]BSTHIFSTHIOEPOLSTVGVONSTBCK

24 VGA +5V 4,5CA10402/1n/16V/7C30402/100n/16V/YC10NC/0402/100n/16V/YC7NC/0402/100n/16V/YC4NC/0402/100n/16V/YADC_VAAR30402/75R/1%R80402/75R/1%R110402/

25 scaler R390402/10K/5%DVI_SCL5DVI_SDA5B14MCB1608S601EA12PWR_SWPWR_SWVCM_PWMR230402/3.3K/5%DPLLGI1-RI1-C610402/100n/16V/YR350402/100K/5%B_D17MCU_VDD

26 interface [INV_GND]+5VV33SV33SLIPS InterfaceQ2SST3906F123Q42N7002/RoHS132GND_POWERCN47101N-E015-NNN/RoHS123456789101112131415R690402/1K/5%PANEL_ON

2 TABLE OF CONTENTS 1. Precautions and Safety Notices...1 2.

27 DVI DVI_5VR73 0402/100R/5%R75 0402/100R/5%+5V2,4R740402/4.7K/5%ADC_VAA2,3,4DSCL TP1DSDA TP1DVI_SDADVI_SCLCVDD1V8R760402/4.7K/5%R78 0402/3.9K/5%C43

28 Audio C55 0805/2.2u/16V/YGNDR88 NC/0402/0R/5%GNDR89 0402/0R/5%GNDC54 0402/1u/10V/YC56 0402/1u/10V/YJ12SJ-05101NC32101131GND_AUDIOGND_AUDIOGND_AUDI

1 2 3 4 5 6 78ABCD87654321DCBAPCB:LY.REV:Date:Checked Approved PART NO:OFSHEETDESCRIPTION: DELTA ELECTRONICS, INC.FILE NAME:THESE DRAWINGS AND SPECIFI

DELTA DOC CENTER1 2 3 4 5 6 78ABCD87654321DCBAPCB:LY.REV:Date:Checked Approved PART NO:OFSHEETDESCRIPTION: DELTA ELECTRONICS, INC.FILE NAME:THESE DRAW

31 9. PCB Layout Diagrams

33 10. Exploded Diagram and Exploded Parts List

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33 TC6MNBHKNWVSN ViewSonic Model Number:VX2240W-4 Rev: Item ViewSonic P/N Ref. P/N Description Q'ty 1 750GLMC0KZ512C000Q PANEL A220Z

34 11. Recommended Spare Parts List TC6MNBDTNWVWN Location Part No. Description Remark 705GN734132 ZY BEZEL ASSY 40-D021924 N44GC0

1 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

35 80GL22708DE POWER BOARD/27-D018867 main source 80GL22700YY POWER BOARD/27-D018868 089G412A18NISC POWER CORD 32E1818058

36 N52G 1VSC006 Conductive Tape 60mm *24mm *0.06mm N44G9003185 CORNER PAPER 7841595111/78-D004862 N44G9003 80 CORNER PAPER

37 0M1G1740 10120 SCREW 42A9940008 0Q1G 330 5120 SCREW 42-D003574 0M1G1740 8120 SCREW FOR STD/MF 42-D020715/42-D000649

38 089G176C 55N04 FFC Cable 55P 155MM/32-D019364 main source 089G176J 55N01 FFC CABLE 55P 155MM/32-D019364 N52G 1VSC011 ISOLATE

39 N44GC010968 1B CARTON- 78-D023666 N40G000196855A CARTON LABEL EDIDVSC22D001 CHECKSUM 0X09 EDIDVSC22A001 CHECKSUM 0

40 80GL22708DE POWER BOARD/27-D018867 main source 80GL22700YY POWER BOARD/27-D018868 089G402A18N YH POWER CORD(32-D022438)

41 N44G9003 80 CORNER PAPER 78-D004868 N85G0011 1 WQ COVER AD 41-D022926 705GN734130 ZY COVER HINGE ASS'Y40-D021

42 0M1G1740 8120 SCREW FOR STD/MF 42-D020715/42-D000649 705GN734131 ZY SEAT ASS'Y 40-D021922 N52G 1VSC002 HY Secur

43 089G1748HAA AC DVI CABLE main source 089G1748JAA600 DVI Cable 1800mm / 32F0000004 089G1748SAAA01 DVI CORD 32-D013540 08

44 N52G 2191 01 TAPE /7345911004 N41G780P968 1A WARRANTY CARD- 78-D021250 050G 600 1 W WHITE STRAP 095G8014 2N00

2 2. Specification 2.1 Product specifications VSA VSAP VSE VSCN Region (M) (A) & (K) (EU) (G) Product Name VX2240w Model Number VS11985

45 12. Different parts list Diversity of TC6MNBDTNWVWNND compared with TC6MNBDTNWVWN Location Part No. Description Remark KEPC7NC1 KEY BOARD/3

46 089G414A18N YH POWER CORD(32E1818021)(中規) N40G000296813B ZA QC PASS LABEL N40G000196858A S/N LABEL- 77-D022383 F40G 22N96821B S

47 * Reader’s Response* Dear Readers: Thank you in advance for your feedback on our Service Manual, which allows continuous improvement of our produ

3 2.2 Interface description 15 pin D-sub connector pin assignment 1 561011 15 Pin Number Pin Function 1 Red video input 2 Green video input 3

4 3. Front Panel Function Control Description Use the buttons on the front control panel to display and adjust the OSD controls which display on the

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6 sRGB-This is quickly becoming the industry standard for color management, with support being included in many of the latest applications