ViewSonic VX2240W-4 Bedienungsanleitung

ViewSonicVX2240W-4

ModelNo. VS11985

22 ColorTFTLCD Display

(Manufacture date:NOV.2008)

VX2240W-4

ServiceManual

maybe reproduced,transmitted,transcribed,stored inaretrievalsystem,ortranslatedintoany

languageorcomputerlanguage,inanyformorbyanymeans, electronic, mechanical, magnetic,

optical,chemical,manualorotherwise,withoutthe priorwritten permission ofViewSonic

Corporation.

Disclaimer

ViewSonicmakesno representationsorwarranties,eitherexpressed orimplied,withrespectto

the contentshereofand specificallydisclaimsanywarrantyofmerchantabilityorfitness forany

particularpurpose.Further,ViewSonicreservesthe righttorevisethispublication and tomake

changesfromtimetotimeinthe contentshereofwithoutobligation ofViewSonictonotifyany

person of suchrevision orchanges.

Trademarks

Optiquestisaregistered trademarkof ViewSonicCorporation.

ViewSonicisaregistered trademarkof ViewSonicCorporation.

All othertrademarks used withinthisdocument arethepropertyof theirrespectiveowners.

Productdisposalatend ofproductlife

The lampinthisproductcontainsmercury.Pleasedisposeofinaccordancewithlocal,stateor

federallaws.

Revision History

Revision

SM Editing Date ECR Number DescriptionofChanges Editor

InitialRelease

TC6MNBDTNWVWN

TC6MNBDTNWVWNND

TC6MNBHKNWVSN

TC6MNBHKNWVSNND

TC6MNBDDNWVSNNN

A01 NOV.08

TC6MNBDDNWVSNND

TABLEOFCONTENTS

1. PrecautionsandSafetyNotices..........................................................................................1

2. Specification.......................................................................................................................2

3. FrontPanel FunctionControl Description .......................................................................4

4. CircuitDescription.............................................................................................................9

5.AdjustingProcedure..........................................................................................................16

6.TroubleShooting Flow Chart............................................................................................21

7. Block Diagrams.................................................................................................................22

8. SchematicDiagrams........................................................................................................23

9. PCB LayoutDiagrams......................................................................................................31

10. ExplodedDiagramandSparePartsList.........................................................................33

11. RecommendedSparePartsList....................................................................................34

12. Differentpartslist...........................................................................................................45

1. PrecautionsandSafetyNotices

1.1safetyprecautions

Thismonitorismanufactured and tested on aground principlethat auser ssafetycomesfirst.However,

improperuseorinstallation maycausedamage tothe monitoraswell asthe user. Carefullygo overthe

following WARNINGSbeforeinstalling and keep thisguide handy.

WARNINGS

Thismonitorshouldbe operated onlyatthe correct powersourcesindicated on the labelon the rearend

of the monitor.If you reunsureofthe powersupplyinyourresidence, consult you local dealerorpower

company.

Useonlythe specialpoweradapterthatcomeswiththismonitorforpowerinput.

Do nottry torepairthe monitoryourselfasitcontainsno user-serviceableparts.Thismonitorshouldonly

be repaired byaqualified technician.

Do notremovethemonitorcabinet. Thereishigh-voltage partsinside thatmaycauseelectricshock to

human bodies, even when the powercordisunplugged.

Stopusing the monitorif thecabinetisdamaged.Haveitchecked byaservicetechnician.

Putyourmonitoronlyinaclean, dryenvironment. If it getswet, unplug the powercableimmediatelyand

consult yourservicetechnician.

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

non-ammoniabased cleanerontothe cloth, notdirectlyontothe glass screen.

Keep the monitorawayfrommagneticobjects,motors,TVsets, and transformer.

Do notplaceheavyobjectson the monitororpowercord.

1.2 Productsafetynotice

Manyelectrical and mechanicalpartsinthischassishavespecialsafetyvisualinspectionsand the

protection afforded bythemcannot necessarilybe obtained byusing replacementcomponentsrated for

highervoltages,wattage,etc.Beforereplacing anyofthesecomponentsread the partslistinthismanual

carefully. The useofsubstitutereplacement partswhichdo not havethe samesafetycharacteristicsas

specified inthepartslistmaycreateshock,fire,orotherhazards.

1.3 Service notes

Whenreplacing partsorcircuit boards, clampthe lead wiresaroundterminalsbeforesoldering.

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

the resistorabout 5mmawayfromcircuit board.

Keep wiresawayfromhigh voltage, high temperaturecomponentsand sharpedges.

Keep wiresintheiroriginal position soastoreduceinterference.

Usage ofthisproduct pleaserefertoalsouser smanual.

2. Specification

2.1Productspecifications

VSA VSAP VSE VSCN

Region (M) (A)&(K) (EU) (G)

Product Name VX2240w

ModelNumber VS11985

OSDLanguages English,French, German, Italian, Spanish, Finnish,

Russian,Korean, Japanese,TraditionalChinese,

Simplified Chinese

TFTLCD Paneland Model# CMOA220Z5

Scalar Model#: NovatekNT68670HTFG

Input Signal D-Sub / DVI-D

SyncCompatibility Separate/ Composite/SOG

PowerConsumption Built-in/ under55W(max)/ 45W(typ)

PowerCable RefertoAppendixG

AnalogCable(1.8m,color:black),with

PC2001 and HotPlugDetect &DDC YES

DVI-DCable/ 1.8m YES

ViewSonicCD Wizard

ViewSonicQuick StartGuide

Arabic,English, Finnish, Spanish,German,

Italian,Japanese, Swedish, Polish, Korean

Portuguese,Russian,French, Greek, Dutch,

Turkish, SimplifiedChinese,TraditionalChinese,

Czech, Hungarian

Screen ProtectorMylar YES

ExtrmeLabel(up to 2ms) YES

ServiceInsert(newversion) YES NO NO NO

WarrantySticker NO NO NO NO

WarrantyCard NO NO NO YES

Carton Sticker NO NO NO YES

PE bag of Carton NO NO NO YES

2.2Interfacedescription

15 pinD-subconnectorpinassignment

1 5

610

11 15

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

UsethebuttonsonthefrontcontrolpaneltodisplayandadjusttheOSDcontrolswhich

displayonthescreen. TheOSDcontrolsareexplainedatthetopofthenextpageand

aredefinedin

MainMenuControls”

sRGB-Thisisquicklybecoming theindustrystandardforcolormanagement,

withsupportbeingincludedinmanyofthelatestapplications. Enabling this

settingallowstheLCDdisplaytomoreaccuratelydisplaycolors thewaythey

wereoriginallyintended. EnablingthesRGBsettingwill causetheContrastand

Brightnessadjustmentstobedisabled.

9300K-Addsbluetothescreenimageforcoolerwhite(usedinmostoffice

settingswithfluorescentlighting).

7500K- Addsbluetothescreenimageforcoolerwhite(usedinmostoffice

settingswithfluorescentlighting).

6500K-Addsredtothescreenimageforwarmerwhiteandricherred.

5400K-Addsgreentothescreenimageforadarkercolor.

UserColor Individualadjustmentsforred(R),green(G),andblue(B).

1. Toselectcolor(R, GorB)press button[2].

2. Toadjustselectedcolor,pressand.

Important: IfyouselectRECALL fromtheMainMenuwhentheproductis

settoaPresetTiming Mode, colorsreturntothe6500Kfactory

preset.

Information displaysthetiming mode(videosignalinput)comingfromthe

graphicscardinthecomputer,theLCDmodelnumber, theserialnumber, and

theViewSonic®websiteURL. See yourgraphicscard’suserguidefor

instructionsonchanging theresolutionandrefreshrate(verticalfrequency).

NOTE: VESA1680 x1050 @60Hz(recommended)meansthattheresolution

is1680 x1050 andtherefreshrateis60 Hertz.

H./V.Position(Horizontal/VerticalPosition)movesthescreen

imageleftor

rightandup ordown.

H. Size (HorizontalSize)adjuststhewidthofthescreenimage.

FineTunesharpensthefocusbyaligning textand/orgraphics

withpixel

boundaries.

NOTE:TryAutoImageAdjustfirst.

Sharpnessadjusts theclarityandfocusofthescreenimage.

DynamicContrastallowstheusertoturnthecontrastratio

enhancementonor

off.

AspectratioSelects theimagesize for4:3&fullscreen.

ResponseTimeadjusts theresponsetimeofliquid-crystaldisplay

forimage

qualityenhancement.

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