ViewSonic VA1616W-6 VS12018 Manuale utente

ViewSonicVA1616W-6

ModelNo. VS12018

16 ColorTFTLCD Display

(Manufacture date:NOV.2008)

ServiceManual

transmitted, transcribed,stored inaretrievalsystem,ortranslated intoanylanguage orcomputerlanguage,in any

formorbyanymeans,electronic,mechanical,magnetic,optical,chemical,manualorotherwise,withoutthe prior

written permission ofViewSonicCorporation.

Disclaimer

ViewSonicmakesno representationsorwarranties, eitherexpressed orimplied, withrespect tothe contentshereof

and specificallydisclaimsanywarrantyofmerchantabilityorfitness foranyparticularpurpose.Further,ViewSonic

reservesthe righttorevisethispublication and tomakechangesfromtimetotimeinthe contentshereofwithout

obligation of ViewSonictonotifyanyperson ofsuchrevision orchanges.

Trademarks

Optiquest isaregistered trademarkofViewSonicCorporation.

ViewSonicisaregistered trademark of ViewSonicCorporation.

Allothertrademarksused withinthisdocumentarethe propertyoftheirrespectiveowners.

Productdisposalatendofproductlife

The lampinthisproduct containsmercury. Pleasedisposeofinaccordancewithlocal, stateorfederal laws.

Revision History

Revision

SM Editing Date ECR Number DescriptionofChanges Editor

InitialRelease

T67MRHDD2WV3N2

A01 NOV.08

T67MRHDD2WVSNND

TABLEOFCONTENTS

1. PrecautionsandSafetyNotices..........................................................................................4

2. Specification.......................................................................................................................5

3. FrontPanel FunctionControl Description .......................................................................7

4. CircuitDescription.............................................................................................................12

5.AdjustingProcedure..........................................................................................................17

6.TroubleShooting Flow Chart............................................................................................22

7. Block Diagrams.................................................................................................................24

8. SchematicDiagrams........................................................................................................25

9. PCB LayoutDiagrams......................................................................................................33

10. ExplodedDiagramAndSparePartsList........................................................................37

11. RecommendedSparePartsList....................................................................................39

12. DifferentPartsList...........................................................................................................50

1. PrecautionsandSafetyNotices

1.1safetyprecautions

Thismonitorismanufactured and tested on ag

round principlethat auser’ssafetycomesfirst.However,improperuse

orinstallation maycausedamage tothemonitoraswellasthe user.Carefullygo overthefollowing WARNINGSbefore

installing and keep thisguide handy.

WARNINGS

Thismonitor

shouldbe operated onlyatthe correctpowersourcesindicated on the labelon the rearend ofthe monitor.

Ifyou’reunsureofthe powersupplyinyourresidence,consult you localdealerorpowercompany.

Useonlythe specialpoweradapterthatcomeswiththismonitorforpowerinput.

Do not try torepairthe monitoryourselfasit containsno user

-serviceableparts.Thismonitorshouldonlybe repaired by

aqualified technician.

Do notremovethe

monitorcabinet. Thereishigh-voltage partsinside thatmaycauseelectricshock tohuman bodies,

even when the powercordisunplugged.

Stopusing the monitorif thecabinetisdamaged.Haveitchecked byaservicetechnician.

Putyourmonitoro

nlyinaclean, dryenvironment. If it getswet, unplug the powercableimmediatelyand consult your

servicetechnician.

Alwaysunplug the monitorbeforecleaning it.Clean the cabinetwithaclean,dry cloth.Applynon

-ammoniabased

cleanerontothe cl

oth, not directlyontothe glass screen.

Keep the monitorawayfrommagneticobjects,motors,TVsets, and transformer.

Do notplaceheavyobjectson the monitororpowercord.

1.2Productsafetynotice

Manyelectrical and mechanicalpartsinthis

chassishavespecialsafetyvisualinspectionsand the protection afforded

bythemcannotnecessarilybe obtained byusing replacementcomponentsrated forhighervoltages, wattage,etc.

Beforereplacing anyofthesecomponentsread the partslistinthismanualcarefully. The useofsubstitutereplacement

partswhichdo not havethe samesafetycharacteristicsasspecified inthe partslistmaycreateshock,fire,orother

hazards.

1.3Service notes

Whenreplacing partsorcircuit boards, clampthe lead wiresaroundterminalsbeforesoldering.

Whenreplacing ahigh wattage resistor(morethan 1Wofmetal oxide filmresistor) incircuitboard, keep the resistor

about 5mm awayfromcircuit board.

Keep wiresawayfromhigh voltage, high temperaturecomponentsand sharpedges.

Keep wiresintheiroriginal position soastoreduceinterference.

Usage ofthisproduct pleaserefertoalsouser’smanual.

2. Specification

2.1Productspecifications

Product Name VA1616w

OracleP/N VA1616W-6

ModelNumber VS12018

OSDLanguages: 11

English,French,German,Italian, Spanish,

Finnish, Japanese, Russian Simplified Chinese,

TraditionalChinese, Korean

TFTLCD Panel and Model # 1st panel:CMOA156B1

Scalar MSTTSUM1PFR-LF

Input Signal Analog x1

SyncCompatibility SeparateSync

Adapter InternalPowerBoard

PowerCable Yes,

refertoAPPENDIXB:PowerCable

Analog Cable(1.8m,black), withPC2001 and HotPlug

Detect &DDC Yes

(Detached cable; refertheAppendixA)

DVI-DCable(1.8m,black)withPC2001 No

AudioCable(1.8m, black)withPC2001 No

MICCable(1.8m,black)withPC2001 No

USB Cable(V2.0) No

ViewSonicCD Wizard

Arabic,English,Finnish, Spanish, German,

Italian, Japanese, Swedish, Polish, Korean,

Portuguese, Russian,Turkish, French,Czech,

Hungarian, Simplified Chinese,Traditional

Chinese. Greek, Dutch,Bulgarian, Croatian,

Romanian, Serbian, Slovak, Slovenian

ViewSonicQuickStartGuide One Page

PerfectSuiteCD No

Screen ProtectorMylar Yes

Foot Protectorplastic No

BaseassemblyProcedureCard Yes

Energystart sticker Yes

VistaInstall Card Yes

DCR Sticker ForRegion code =G/P/Eunitsonly

ServiceInsert ForRegion code =Munitsonly

WarrantyCard ForRegion code =Gunitsonly

Carton Sticker ForRegion code =Gunitsonly

PE bag ofCarton N/A

Manufactureaddress sticker ForRegion code =Gunitsonly

2.2Interface description

1 5

610

11 15

D-SUB connectorpinassignment

PinNumber

PinFunction

1 Red video input

2 Green videoinput

3 Blue videoinput

4 NoConnection

5 Ground

6 Red video ground

7 Green videoground

8 Blue videoground

9 +5V

10 H/Vsyncground

11 Noconnection

12 (SDA)

13 Horizontalsync(Compositesync)

14 Verticalsync

15 (SCL)

3. FrontPanelFunction Control Description

“MainMenu Controls”

MainMenu

withOSDcontrols

FrontControlPanel

shownbelowindetail

Displaysthe control screen

forthe highlighted control.

Alsotogglesbetween two

controlson somescreens.

Alsoashortcut toAuto

Image Adjust.

Displaysthe

MainMenu or

exitsthe

controlscreen

and saves

adjustments.

Powerlight

Blue =ON

Orange =PowerSaving

StandbyPower

On/Off

Scrollsthrough

menu optionsand

adjuststhe

displayed control.

Alsoashortcut to

displaythe

Contrast

adjustmentcontrol

screen.

Dothefollowingtoadjustthedisplaysetting:

1. Todisplaythe MainMenu, press button[1].

NOTE: AllOSDmenusand adjustment screensdisappearautomaticallyafterabout 15

seconds. Thisisadjustablethrough the OSDtimeoutsettinginthe setup menu.

2. Toselect acontroltoadjust, press ortoscrollup ordowninthe MainMenu.

3. Afterthe desired controlisselected, press button [2].Acontrol screen likethe one shown

belowappears.

The line atthe bottomofthe screen shows

the currentfunctionsof buttons1and 2:

Exit orselect the Brightness control.

4. Toadjust thecontrol, press the up ordownbuttons.

5. Tosavethe adjustmentsand exit themenu, press button [1] twice.

Thefollowing tipsmay help youoptimizeyourdisplay:

•Adjust the computer'sgraphicscardsothatit outputsa1366 x768 @60Hzvideo signalto

the LCD display.(Lookforinstructionson “changing therefreshrate”inthe graphicscard's

userguide.)

•If necessary, makesmalladjustmentsusing H. POSITIONand V.POSITIONuntilthe

screen image iscompletelyvisible. (The blackborderaround the edge of the screen should

barelytouchthe illuminated “activearea”of the LCD display.)

Main Menu Controls

Adjust the menu itemsshownbelowbyusing the up and downbuttons.

Control Explanation

Auto ImageAdjust automaticallysizes, centers, and fine tunesthe video signal

toeliminatewaviness and distortion. Press the [2] buttontoobtainasharper

image.

NOTE: AutoImage Adjust workswithmost commonvideo cards. Ifthis

functiondoesnot work on yourLCD display,then lowerthe video refreshrate

to60 Hzand set theresolution toitspre-setvalue.

Contrast adjuststhe differencebetween the image background (black level)

and the foreground (whitelevel).

Brightness adjustsbackground black level of the screen image.

ColorAdjust providesseveral coloradjustmentmodes,including preset color

temperaturesand aUserColormode whichallowsindependent adjustment of

red (R), green (G),and blue (B).The factorysetting forthisproductis6500K

(6500 Kelvin).

sRGB-Thisisquicklybecoming the industry standardforcolormanagement,

withsupport being included inmanyof the latest applications. Enabling this

setting allowsthe LCD displaytomoreaccuratelydisplaycolorsthe waythey

wereoriginallyintended. Enabling the sRGBsetting will causethe Contrast and

Brightness adjustmentstobe disabled.

9300K-Addsblue tothe screen image forcoolerwhite(used inmost office

settingswithfluorescentlighting).

6500K-Addsred tothe screen imageforwarmerwhiteand richerred.

5400K-Addsgreen tothe screen image foradarkercolor.

User Color Individualadjustmentsforred (R), green (G), and blue (B).

1. Toselect color(R,G orB) press button [2].

2. Toadjust selected color,press and.

Important: If you selectRECALL fromtheMainMenu whenthe productisset

toaPresetTiming Mode, colorsreturntothe 6500Kfactory preset.

Control Explanation

Information displaysthe timing mode (video signal input)coming fromthe

graphicscardinthe computer, theLCD model number,the serial number, and

the ViewSonic®websiteURL.See yourgraphicscard’suserguide for

instructionson changing the resolution and refreshrate(verticalfrequency).

NOTE: VESA1366 x768 @ 60Hz(recommended)meansthat the resolution is

1366 x768 and the refreshrateis60 Hertz.

ManualImageAdjust displaysthe ManualImage Adjust menu.

H./V.Position (Horizontal/Vertical Position)movesthe screen image left or

right and up ordown.

H. Size(HorizontalSize)adjuststhe widthofthe screen image.

Fine Tune sharpensthe focusbyaligningtextand/orgraphicswithpixel

boundaries.

NOTE:Try AutoImage Adjustfirst.

Sharpnessadjuststhe clarityand focusofthe screen image.

Aspect ratioSelectsthe image sizefor4:3and fullscreen.

ECO Mode providesthe lowerpowerconsumption byreducing the brightness.

Standard: The defaultbrightness setting

Optimize: Decreasesthe brightness by25 %

Conserve:Decreasesthe brightness by50 %

NOTE:When the ECOMode isset to"Optimize"or"Conserve",the

Brightness, Contrast, and DynamicContrast cannot be adjusted.

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