ViewSonic VX1940W-2 Manual de usuario

19 LCDViewSonicVX1940W-2

-1

ViewSonicCorporation

Service

TABLE OFCONTENTS

Description P

ageDescription

Page

SAFETYNOTICE

ANYPERSONATTEMPTINGTOSERVICETHISCHASSISMUSTFAMILIARIZEHIMSELFWITH

THECHASSISAND BEAWAREOFTHENECESSARYSAFETYPRECAUTIONSTOBE USED

WHENSERVICINGELECTRONICEQUIPMENTCONTAININGHIGHVOLTAGES.

CAUTION:USEASEPARATEISOLATIONTRANSFOMERFORTHISUNITWHENSERVICING

roubleshootingflowchart

…………………...

8..MechanicalInstructions.………………….......35

9. Exploded diagram……………........................41

10.BOMList….………………………………….43

11.Differentpartslist……………………………….57

TableOfContents.......……..............................…........1

Revision List.…........................................……......2

Precautionsand SafetyNotices…………............……......3

1.MonitorSpecification.............................……….....4

2.LCD MonitorDescription……….......13

3. Frontpanelfunctioncontroldescription....................13

3.1 Front PanelHardwareControls………………..........13

3.2Functiondescriptions.....................…...........14

4. Input/OutputSpecification…………………..………..16

5.SchematicDiagram.……………………..................19

5.1Mainboard.……………………..................19

5.2Powerboard.……………………..................24

5.3OSDKeyPAD.……………………..................27

6.PCBlayoutdiagrams.……………………..................27

19 LCDViewSonicVX1940W-2

-2

ViewSonicCorporation

Revision List

Version ReleaseDate RevisionHistory TPV Model

T96MNBDKIWVSNNN

A00 NOV-5-2008 InitialRelease T96MNBDKIWVSNND

19 LCDViewSonicVX1940W-2

-3

ViewSonicCorporation

Precautionsandsafetynotices

safety precautions

Thismonitorismanufacturedand testedonagroundprinciplethatauser’ssafetycomesfirst. However,

improperuseorinstallation maycausedamagetothe monitoraswellasthe user.Carefullygo overthefollowing

WARNINGSbeforeinstallingandkeepthisguidehandy.

WARNINGS

Thismonitorshouldbe operatedonlyat thecorrectpowersourcesindicatedonthelabelon the rearendofthe

monitor. If you’reunsureofthepowersupplyinyourresidence, consult youlocaldealerorpowercompany.

Useonlythespecialpoweradapterthat comeswiththismonitorforpowerinput.

Donottrytorepairthemonitoryourselfasitcontainsnouser-serviceableparts.Thismonitorshouldonlybe

repairedbyaqualifiedtechnician.

Donotremovethemonitorcabinet. Thereishigh-voltagepartsinsidethat maycauseelectricshocktohuman

bodies, even when the powercordisunplugged.

Stopusingthe monitorifthecabinet isdamaged.Haveitchecked byaservicetechnician.

Put yourmonitoronlyinaclean,dryenvironment. If itgetswet,unplugthepowercableimmediatelyandconsult

yourservicetechnician.

Alwaysunplug the monitorbeforecleaningit.Cleanthe cabinetwithaclean,drycloth.Applynon-ammonia

based cleanerontothecloth, notdirectlyontothe glassscreen.

Keepthemonitorawayfrommagneticobjects,motors,TVsets, and transformer.

Donot placeheavyobjectson themonitororpowercord.

Productsafety notice

Manyelectricaland mechanicalpartsinthischassishavespecialsafetyvisualinspectionsand the protection

affordedbythemcannotnecessarilybeobtained byusing replacementcomponentsratedforhighervoltages,

wattage,etc.Beforereplacinganyofthesecomponentsread thepartslistinthismanualcarefully.The useof

substitutereplacementpartswhichdonot havethesamesafetycharacteristics asspecified inthe partslistmay

createshock, fire,orotherhazards.

Servicenotes

Whenreplacingpartsorcircuitboards,clamptheleadwiresaround terminalsbeforesoldering.

Whenreplacingahighwattageresistor(morethan 1Wofmetaloxide filmresistor) incircuitboard,keepthe

resistorabout5mmawayfromcircuitboard.

Keepwiresawayfromhigh voltage, hightemperaturecomponentsandsharpedges.

Keepwiresintheiroriginalposition soastoreduceinterference.

Usage ofthisproduct pleaserefertoalsouser’smanual.

19 LCDViewSonicVX1940W-2

-4

ViewSonicCorporation

1.MonitorSpecifications

1.1specifications VSA VSAP VSE VSCN

Region (M) P(E)/(U) (G)

ProductName VX1940w-2

ModelNumber VS11868

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

Russian,Korean, Japanese,TraditionalChinese,

SimplifiedChinese

TFT LCD PanelandModel# CMOA190Z1L01

Scalar Model#: NT68670HTFG

InputSignal D-Sub /DVI-D

SyncCompatibility Separate/ Composite/ SOG

PowerConsumption Built-in/under49W(max)/ 44W(typ)

PowerCable RefertoAppendixG

Analog Cable(1.8m,color:black),withPC

2001and HotPlug Detect &DDC YES

DVI-DCable/ 1.8m YES

ViewSonicCD Wizard

ViewSonic Quick StartGuide

Arabic,English,Finnish, Spanish,German,

Italian, Japanese,Swedish,Polish,Korean

Portuguese,Russian,French,Greek,Dutch,Turkish,

SimplifiedChinese,TraditionalChinese,Czech, Hungarian

ScreenProtectorMylar YES

ExtrmeLabel (up to 2ms) Yes

ServiceInsert(newversion) YES NO NO NO

WarrantySticker NO NO NO YES

WarrantyCard(newversion) NO NO NO YES

CartonSticker(newversion) NO NO NO YES

PEbag ofCarton NO NO NO YES

1.2General specification

TestResolution&Frequency 1680x1050@60Hz

TestImageSize FullSize

Contrast andBrightnessControls FactoryDefault:

Contrast=70%, Brightness=100%

1.3Videointerface

Analog Input Connector DB-15(Analog),refertheappendixA

DigitalInputConnector DVI-D

Default Input Connector Defaultstothefirst detectedinput

VideoCableStrainRelief Equaltotwicetheweightofthemonitorforfiveminutes

VideoCableConnectorDB-15Pin

out CompliantDDC/CI/ DDC2B

VideoSignals 1. VideoRGB(Analog)

19 LCDViewSonicVX1940W-2

-5

ViewSonicCorporation

Separate, Composite,and SynconGreen

2.TMDS(Digital)

VideoImpedance 75Ohms(Analog), 100Ohms(Digital)

MaximumPCVideo Signal 950 mVwithnodamage tomonitor

MaximumMacVideoSignal 1250mVwithno damagetomonitor

SyncSignals TTL

DDC2B CompliantwithRevision 1.3

DDC/CI CompliantwithRevision 1.1

HDCP HDCPcodeinside andcompatible

SyncCompatibility SeparateSync, CompositeSync,SOG

VideoCompatibility Shall becompatiblewithallPCtypecomputers,Macintosh

computers, andaftermarketvideo cards

640x350 640x400 640x480 720x400

720x480 800x600 832x624 1024x768

1152x864 1152x870 1280x720 1280x768

1280x960 1280x1024 1360x768 1400x1050

1440x900 1600x1200 1680x1050

ResolutionCompatibility

The image verticalsizemightnot befull screen.

But the imageverticalposition shouldbe atthecenter.

Exclusions Notcompatiblewithinterlacedvideo

1.4TFT LCD panel

PanelSourceIdentify

Thepanelcode(refertosegment4-16)shouldbeshownonfollowingposition,

(1)Thelowerright side of IDlabel. (see Figure2)

(2)Thelowerrightside ofUPClabel.(see Figure3)

(3)TheF/Wversion stickerorsilkscreenon mainboard.

PanelCharacteristics :

st SourcePanel

Modelnumber CMOA190Z1L01

Type TNTYPEWITHLVDSINTERFACE

ActiveSize19 WIDE;408.24(H) X255.15(V)

PixelArrangement RGBVERTICALSTRIPE

PixelPitch 0.243(H) X0.243(H)MM

GlassTreatment ANTIGLARE(HARDCOATING3H)

#ofBacklights 4CCFL

BacklightLife 40000 HOURS (MIN)

Luminance(5-point)

Condition:

CT= User Color,

Contrast=Max,

Brightness= Max

300CD/M2(TYPAFTER30MINUTEWARM

UP)

230CD/M2(MINAFTER30 MINUTEWARM

UP)

BrightnessUniformity 67%(MIN)

ContrastRatio 1000:1(TYP), 630:1(MIN)

ColorDepth 16.2MILLIONCOLORS

19 LCDViewSonicVX1940W-2

-6

ViewSonicCorporation

ViewingAngle(Horizontal)

Ultra TN type

@CR>10

Typical:170

Minimum:150

ViewingAngle(Vertical)

Ultra TN type

@CR>10

Typical:160

MINIMUM:140

ResponseTime

10%-90%@Ta=25°C

Typical=5ms(on/off)

Maximum=15ms(on/off)

PanelDefects PleaseseePanelQualitySpecifications.

19 LCDViewSonicVX1940W-2

-7

ViewSonicCorporation

1.5Imageperformance

DisplaySize

HorizontalDisplaySize, PrimaryPreset Full Screen

VerticalDisplaySize,PrimaryPreset Full Screen

Luminance

Item Condition JUDGMENT

Lv(Max)Contrast=100%

Brightness=100%

CCT =User color(R/G/B=100%)

LV(MAX)=THE LUMINANCEIN

SECTION

4-7 “TFTLCDPANEL

Lv(Def)Contrast=100%

Brightness=100%

CCT =6500K [LV(DEF) /LV(MAX) ] X100% 65%

Lv(6500k) Contrast=Default

Brightness=Default

ColorTemperature=6500K [LV(6500K)/LV(MAX) ] X100% 85%

Lv(9300k) Contrast=Default

Brightness=Default

ColorTemperature=9300K [LV(9300K)/LV(MAX) ] X100% 65%

Lv(7500k) Contrast=Default

Brightness=Default

ColorTemperature=7500K [LV(7500K)/LV(MAX) ] X100% 75%

Lv(5400k)Contrast=Default

Brightness=Default

ColorTemperature=5400K[LV(5400K)/LV(MAX) ] X100% 70%

Lv(Brightness)

Contrast=100% [LV(BRIGHTNESS=0%)/ LV(BRIGHTNESS=100%)]X

100% ≤55%

Lv(Contrast) Brightness=100% [Lv(Contrast=0%)/Lv(Contrast=100%)]x

100% ≤30%

19 LCDViewSonicVX1940W-2

-8

ViewSonicCorporation

ContrastRatio

Contrast=Default

Brightness=Default

TestPattern= 64-Gray NO VISIBLE SATURATION

Contrast=100%

Brightness=100%

TestPattern=64-Gray 12-16 LEVELSATURATION

DynamicContrastRatio

CR(Max) Condition:

CCT=USERCOLOR

(R/G/B=100%)

3000:1(typ)

DCRSelection inOSDMenu Display “Dynamic Contrast”textwith “On/Off”

selection.

DCRDefaultSetting Off

DCROnDefinition Full timeframeluminancedetectionfor:

1.BacklightAdjustment

2.AdaptiveContrastAdjustment

19 LCDViewSonicVX1940W-2

-9

ViewSonicCorporation

BacklightAdjustment Method

DCR willcalculatethegraylevelhistogramin aframe

andsetbacklightbrightnesstargetasbelow:

Theadjustment timetomeetbrightnesstargetis

3±0.5seconds.

Imageflickerorflashingis prohibitedforvideo

displayand/orPCmode operation.

GrayLevel

(FrameAverage)

Backlight

Brightness

(%)

0~7 0

8~15 30

16~23 52

24~31 68

32~39 78

40~47 86

48~55 91

56~63 96

64and above 100

BacklightBrightness

GrayLevel

30%

52%

68%

78%

86%

91%

96%

100%

19 LCDViewSonicVX1940W-2

-10

ViewSonicCorporation

AdaptiveContrastAdjustment

Toadjust Gammadatafordifferentframeluminance

Thecontrast/datadeltapercentageisless than

10%of originalvalue.

Lowlevelnoisecannotoccurduringadaptive

contrast adjustment.

Thedynamic changeinGammadatacan not

causeflashingduringgrayleveltransition (L0 to

L255)

ContrastCurveReference

DarkSceneBrightScene

(Actualcurvemayvarydependsonperformance)

ColorandSharpness tuning (Optional)

Toimproveimagecontrast,the saturationand

peakingcanbeincreased upto5%.

Beawareofside effectslikecolordistortionand

64 192

255

128

192

255

128

Yin

Tabla de contenidos

Otros manuales de Monitor de ViewSonic

ViewSonic

ViewSonic VS18476 Manual de usuario

ViewSonic

ViewSonic P95f+-1 Manual de usuario

ViewSonic

ViewSonic VA2746m-LED Manual de usuario

ViewSonic

ViewSonic GS790 - 19" CRT Display Manual de usuario

ViewSonic

ViewSonic CDE4803-H Manual de usuario

ViewSonic

ViewSonic VA702mb Manual de usuario

ViewSonic

ViewSonic VX2433WM - 23.6" LCD Monitor Manual de usuario

ViewSonic

ViewSonic VG500 Manual de usuario

ViewSonic

ViewSonic VP730 Manual de usuario

ViewSonic

ViewSonic VA2333-LED Manual de usuario

ViewSonic

ViewSonic VA916 - 19" LCD Monitor Manual de usuario

ViewSonic

ViewSonic VP2785-2K Manual de usuario

ViewSonic

ViewSonic VG721m VS11366 Manual de usuario

ViewSonic

ViewSonic VG2021M - 20.1" LCD Monitor Manual de usuario

ViewSonic

ViewSonic VA705M Manual de usuario

ViewSonic

ViewSonic E96f+SB-1 Manual de usuario

ViewSonic

ViewSonic ColorPro VP3256-4K Manual de usuario

ViewSonic

ViewSonic SD-Z246 Manual de usuario

ViewSonic

ViewSonic VS17631 Manual de usuario

ViewSonic

ViewSonic ViewPanel VG171 Manual de usuario

ViewSonic

ViewSonic Optiquest Q20WB Manual de usuario

ViewSonic

ViewSonic VX912 Manual de usuario

ViewSonic

ViewSonic VA1913wm VS12490 Manual de usuario

ViewSonic

ViewSonic VE510+-1 Manual de usuario

Manuales populares de Monitor de otras marcas

Linear Acoustic

Linear Acoustic LQ-1000 Manual de usuario

AOC

AOC I2579V Manual de usuario

Gateway

Gateway FPD1520 Manual de usuario

Furuno

Furuno Mu 120c Manual de usuario

Asus

Asus VB171D - 17" LCD Monitor Manual de usuario

Dell

Dell S2230MX Instrucciones de uso

Philips

Philips 107C64 Manual de usuario

Dell

Dell S2409WFP Manual de usuario

EverFocus

EverFocus EN-7517E Manual de usuario

Panasonic

Panasonic TH152UX1 - 152" PLASMA TV Manual de usuario

Dell

Dell Precision 7680 Manual de instrucciones

LG 50PM1M - - 50" Plasma Panel Manual de usuario

Bosch

Bosch DDU 9 Manual de usuario

Acer

Acer A231HL Manual de usuario

Philips

Philips 86BDL4152T Manual de usuario

NEC

NEC AccuSync LCD5V Manual de usuario

Emay

Emay SleepO2 Manual de usuario

IBM

IBM 6360 Instrucciones de instalación