ViewSonic VS11444 Wartungshandbuch

ViewSonic VX1945wm-3 Model No. VS11444 19” Color TFT LCD Display (VX1945wm-3_SM Rev. 1a Nov. 2006) ViewSonic 381 B

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 7 2.2. GENERAL specification Test Resolution & Frequency 1440x900 @ 60Hz Test

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 8 Leakage Current 3.5mA (Max) at 254VAC / 60Hz Efficiency (at 115VAC Full Load) Ty

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 9 2.5. ELECTRICAL REQUIREMENT Horizontal / Vertical Frequency Horizontal Frequency

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 10 1280x768@50Hz by [1]+[2] short cut key 20 1024 x 768 @ 60 Hz, 48.4 KHz   

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 11 2.6 TFT LCD PANEL Panel Characteristics: 1st Source Panel Model number INNOL

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 12 Function descriptions OSD Lock short cuts function for the buttons The OSD lock w

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 13 further use 2. It should be reset by Memory Recall function(Should not reset by p

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 14 3. Front Panel Function Control Description Adjusting the Screen ImageMain Menuw

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 15 Do the following to adjust the display setting:1. To display the Main Menu, pres

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 16 Main Menu ControlsAdjust the menu items shown below by using the up S and down T

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 i Copyright Copyright © 2006 by ViewSonic Corporation. All rights reserved. No par

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 17 Control ExplanationsRGB-This is quickly becoming the industry standard for color

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 18 Control ExplanationManual Image Adjust Sub-menuH. Size (Horizontal Size) adjusts

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 19 Control ExplanationResolution Notice allows the user to enable or disable this n

ViewDockTM Key FeaturesFeaturesThe VX ViewDock comes with the following advanced features:• 4-port USB 2.0 hub (USB 1.1 compatible)• 8-in-1 card reade

Physical DescriptionPlease refer to the following illustrations to identify the components of the ViewDock.Front ViewRear viewSub-Woofer iPod connecto

Card Reader InstallationRefer to the following information After connecting the ViewDock to your PC, Windows File Manager will show 4 extra icons.Step

USB Hub InstallationRefer to the following informationConnect any USB devices via the USB ports on the ViewDock.Windows will auto detect and install t

ViewDockTM Connecting with iPod Refer to the following information 1. Make sure the ViewDock power is ON.2. Dock your iPod into the universal iPod doc

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 25 4. Circuit Description 4.1 Switching Mode Power Supply 4.1.1 AC Current Input Cir

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 26 1R503, ZD501, R502, Q501 components convert +14V voltage into +5.0V voltage, and

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 ii TABLE OF CONTENTS 1. Precautions and Safety Notices 12. Specification 43.

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 27 Signal R, G, B input through CN103 #1, #2, #3, and C112, C113 and C114 filtering

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 28 43.269 − 832 640 56 80 VESA 640*480@85Hz 85.008 − 509 480 3 25 36.000 35.156 +

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 29 4.5 Power On/Off Sequence 4.5.1 Hardware Power ON When power cord is plugged int

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 30 4.7.2 CN101 (Power BD to Interface BD) Pin No. Symbol Description 1 VCC5V +5.

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 31 11 RXO3+ plus signal of odd channel 3(LVDS) 12 RXE0- minus signal of even cha

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 32 4.8 Key Parts Pin Assignment 4.8.1 IC802 (NCP1337, Power Control IC) Pin Symb

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 33 8 AVDD_DC I ADC Power 9 NC Not connected 10 NC Not connected 11 GND Gr

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 34 60 LVA2P O A-Link Positive LVDS Differential Data Output 61 LVA2M O A-Link

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 35 5. Adjustment Procedure 5.1 Key Function Description CONTROL KEY KEYS FUNCTION

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 36 Information H Position (+ / -) H/V Position V Position (+ / -) H Size +

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 1 1. Precautions and Safety Notices 1. SAFETY PRECAUTIONS This monitor is manufactu

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 37 Activate Power Lock [1] + [▼] 10S Can not turn off the LCD; Press the power butt

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 38 internal DAC) If it is a new-built set and it is first time to do the “auto color

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 39 (2). Select “Connect”, auto connect for ISP. (3). Select “Run”, start ISP. (4).

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 40 5.7.3 After repair, to ensure the quality you should do the following test and ad

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 41 Packing For Shipping 1. Packing Procedure 1.1 Paste protection film to protect t

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 42 Disassembly Procedure Hinge CoverFront CoveriBox

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 43 BACK COVERPANEL

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 44 CHASSISI/F BOARDP/I BOARDKEYPAD BOARDSPEAKERLVDSKEY-POWER CABLE

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 45 6. Troubleshooting Flow Chart 6.1. Common Acknowledge  If you change the interf

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 46 6.2. No Power & Power LED Off No powerCheck primary rectifier voltage Check

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 2 5.2 Handling and Placing Methods

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 47 6.3. DC output voltage is unstable Unstable power Check sampling Circuit Chec

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 48 6.4. Output power is unstable Unstable power Check sampling Circuit Check R81

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 49 6.5. Backlight can’t be turned on U105 FAILBlack screenCheck pin4 of CN101Check

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 50 6.6. Black Screen and backlight turn on Black ScreenPower FailCheck Power Supply

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 51 6.7. White Screen ENDWhite screenCheck LVDS signalCheck Q101,Q103,Q110,C108,C109C

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 52 6.8. Bad Screen Check the pins ofU105Bad ScreenCheck Crystal: pin96,97 of U105Ch

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 53 7. Recommended Spare Parts List Serial No. Prefix: QCY Rev: 1bItem ECR/ECN View

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 54 ViewSonic Model Number: VS11444Rev: 1bSerial No. Prefix: QCYItem ViewSonic P/N

ViewSonic Corporation Confidential - Do Not Copy 55 8. Exploded Diagram and Exploded Parts List VX1945wm-3

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 56 ViewSonic Model Number: VS11444Rev: 1bSerial No. Prefix: QCYItem ViewSonic P/N

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 3

ViewSonic Corporation Confidential - Do Not Copy 57 VX1935wm-3

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 58 ViewSonic Model Number: VS11444Rev: 1aItem ViewSonic P/N Ref. P/N Location Q&

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 59 9. Block Diagram

ViewSonic Corporation Confidential - Do Not Copy 60 10. Schematic Diagrams ModelTitleDate Rev:ViewSonic CorporationAudioLayout guide :1. Tie th

ViewSonic Corporation Confidential - Do Not Copy 61 ModelTitleDate Rev:ViewSonic CorporationDC to DCFrom Power &InverterFrom keypadLED_A//LE

ViewSonic Corporation Confidential - Do Not Copy 62 ModelTitleDate Rev:ViewSonic CorporationKeypadFrom IF BD1POWER▼▼2SW901TACT-4.31324LED901LED

ViewSonic Corporation Confidential - Do Not Copy 63 ModelTitleDate Rev:ViewSonic CorporationInputBGRDETECTSCL_DVIDAT2-DAT2+DAT1-DAT1+DAT0-DCLK+D

ViewSonic Corporation Confidential - Do Not Copy 64 ModelTitleDate Rev:ViewSonic CorporationSCALERI2C_MDAI2C_MCLI2C_MDAI2C_MCL12342413VCC3.3VCC5

ViewSonic Corporation Confidential - Do Not Copy 65 ModelTitleDate Rev:ViewSonic CorporationInterterop3op2op1op2op1op3ON/OFF3VCC5V3BRIGHTNESS3+1

ViewSonic Corporation Confidential - Do Not Copy 66 ModelTitleDate Rev:ViewSonic CorporationPOWER SUPPLYLNAC 264V RMSAC 264V RMS AC 264V RMSA

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 4 2. Specification 2.1. INTRODUCTION FEATURES VX1945wm-3 Size 19 " wide Luminan

ViewSonic Corporation Confidential - Do Not Copy 67 11. PCB Layout Diagrams VX1945wm-3

ViewSonic Corporation Confidential - Do Not Copy 68 VX1945wm-3

ViewSonic Corporation Confidential - Do Not Copy 69 VX1945wm-3

ViewSonic Corporation Confidential - Do Not Copy 70 VX1945wm-3

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 71 * Reader’s Response* Dear Readers: Thank you in advance for your feedback on our

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 5 Package (Gross Weight) 6.7 Kg / 14.8 lbs Temperature (℉/℃) 32℉-104℉ / 0℃-40℃ O

ViewSonic Corporation Confidential - Do Not Copy VX1945wm-3 6 THD < 10% (Vol. Max) S/N 60dB (Built-in) MIC Sensitivity: -38dB +- 3dB VR Vol