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Troubleshooting


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                                                                                                                    4. Troubleshooting

4. Troubleshooting
4-1. LED Indications
            Item                          TEMP                                 LAMP                               Standby
                                                                                                                      
         LED Color
                                           Red                                  Blue                                 Blue
 -On,-Blinking,-Off

 No.    TEMP         LAMP     STANDBY                                               Description
                                             Thepowerisbeingsuppliednormally.IfyoupressthePowerbuttononyour
  1                                          remotecontrolorprojectortoturniton,thescreenwillbedisplayedafter
                                             about 30 seconds.
  2                                          The projector is operating normally.
                                             TheprojectorispreparingitselfafterthePowerbuttonhasbeenpressedon
  3                               
                                             your remote control or projector to turn it on.
                                             TheprojectoroperatesthecoolingsystemafterthePowerbuttonispressed
  4                                          onyourremotecontrolorprojectortoturnitoff.(Thecoolingprocesslasts
                                             aboutoneandhalfminutes.)
                                             Thecoolingsystemintheprojectorincludingthecoolingfanisnotoperating
  5                               
                                             normally. See Action 1 below.

  6                                          The lamp cover covering the lamp is not closed correctly. See Action 2 below.

                                             The temperature inside the projector has increased above the manageable
  7                                          temperatureforsomereason.Inthiscase,thepoweristurnedoff
                                             automatically. See Action 3 below.
  8                                          A problem occurred when driving the color wheel inside the projector. See Action 4 below.
  9                                          A problem occurred while operating the lamp. See Action 5 below.
 10                                          Thelifetimeofthelamphasrunout.SeeAction6below.

4-2.ActionstoTakeaccordingtothe1LEDIndications(Users)
       Action                       Status                                                  Description
                                                       Disconnect the power cord and connect it again. Then run your
                       The cooling system in the       projector.Ifthesamesymptompersists,contactyourlocalproduct
       Action 1        projectorincludingthecoolingfan distributor or service center.
                       is not operating normally.
                                                       RefertoTroubleshooting1below.
                       The lamp cover that covers the        Checkwhetherthescrewsatthebottomofyourprojectorare
                       lamp is not closed correctly or an    fastenedcorrectly.Iftheyarefastenedcorrectly,contactyourlocal
       Action 2                                              product distributor or service center.
                       error occurred with the sensor
                       system.                               RefertoTroubleshooting2below.
                                                             Adjusttheinstallationconditionsofyourprojectorbyreferring
                                                             totheInstallationPrecautionslistedabove.Coolyourprojector
                       The temperature inside the            sufficientlyandrunitagain.Ifthesamesymptompersists,contact
       Action 3
                       projector is abnormally high.         your local product distributor or service center.
                                                             RefertoTroubleshooting3below.
                                                             Disconnect the power cord and connect it again. Then run your
                       Thecolorwheelhasfailedto              projector.Ifthesamesymptompersists,contactyourlocalproduct
       Action 4                                              distributor or service center.
                       operate.
                                                             RefertoTroubleshooting4below.
                       When the projector operates    Whentheprojectoroperatesabnormallyshortlyafterthepoweris
                       abnormallyshortlyafterthe      turnedofforon,orwhenalampoperatingerroroccurs.
       Action 5
                       poweristurnedofforon,orwhen
                       a lamp operating error occurs. RefertoTroubleshooting5below.

                                                             ChecktherunningtimeofthelampintheInformationDisplay
                       Thebrightnessofthescreen              screen. Contact your local product distributor or service center
       Action 6        drops or the screen quality is        foralampreplacement.
                       degraded.
                                                             RefertoTroubleshooting6below.


                                                                                                                                     4-1
4. Troubleshooting

4-3-1.ActionstoTakeforIssuesthatmayAriseduetoNewFunctions
 Installation

                  Problems                                                          Actions

         The power does not turn on.             Check whether the power cable is connected correctly.
The power is turned on immediately when the
                                                 This is a normal operation..
        power cable is connected.
                                                 Adjustthepositionsoftheprojectorandthescreensothattheprojectedlightfrom
                                                 theprojectorisperpendiculartothescreen.Thenadjustthefocusring.
  The screen is distorted or is displayed in a
               trapezoidform.                    We recommend that you do not use the Menu > Setting > Vertical Keystone
                                                 function,ifpossible.
                                                 (Thescreenmaybedistorted.)
                                                 Check whether the video cable is connected to the correct signal terminal and
 The external devices cannot be selected or a    check the connections.
          blank screen is displayed.
                                                 Iftheconnectionisnotcorrect,nodevicecanbeselected.




 Screen and External Device

                  Problems                                                          Actions

                                                 Checkthepowerconnectionstatusoftheprojector.
                                                 Check whether the input selection is correct.
         A blank screen is displayed.
                                                 Check whether the projector cables are connected correctly.
                                                 Check whether the Brightness is set to the minimum.
                                                 CheckwhethertheadjustmentoftheMenu>Screen>ScreenUser
            The color is not good.
                                                 Adjustment > Contrast is correct.
                                                 Adjust the focus.
                                                 Check whether the projection distance is too close or too far away.
              Theimageisfaint.

  A strange sound is heard in the projector.     Ifthesoundoccurscontinuallyduetoafaultypart,contactaservicecenter.
                                                 Whennoiseoccurswhileusingyourcomputer,adjustthefrequencyinthe
      AWaterfalloccursonthescreen.
                                                 Menu>Setting>PC>FrequencyAdjustment.
                                                 Checkwhethertheexternaldeviceisoperating,andcheckwhetherthe
   Thescreenfortheexternaldeviceisnot
                                                 Brightness and Contrast have been changed in the Menu > Screen > Screen
               displayed.
                                                 UserAdjustmentoftheprojectormenu.
                                                 Checktheconnectionstatusoftheexternaldevice,andrecheckthecable
         A blue screen is displayed.
                                                 connections.
 The screen is displayed in black and white or Check the Brightness and Contrast.
                                                 To reset the settings to the factory defaults, run the Reset menu item.
the color is strange. The screen is dark or very
                      bright.




4-2
                                                                                   4. Troubleshooting

4-4. Troubleshooting
1. etthecustommodeasfollowsbeforebeginningarepair.
  S
  -Nosoundinputissupported.
  1)Videoinput
    -Broadcastingtype:NTSC,NTSC-4.43,PAL,PAL-N,PAL-M,PAL-60,andSECAMinaworld-widescale
  2)S-Videoinput
    -Broadcastingtype:NTSC,NTSC-4.43,PAL,PAL-N,PAL-M,PAL-60,andSECAMinaworld-widescale
  3)Componentinput
    -Resolution:480i@60Hz,576i@50Hz,480p@60Hz,576p@50Hz,720p@60Hz,720p@50Hz,1080i@60Hz,1080i@50Hz
  4)PCinput
    -Resolution:1280X768,1280X1024
  5)HDMIinput
    -Resolution:480i@60Hz,576i@50Hz,480p@60Hz,576p@50Hz,720p@60Hz,720p@50Hz,1080i@60Hz,1080i@50Hz




                                                                                                4-3
4. Troubleshooting

4-5.WhentheStandbyLEDDoesNotTurnOn

      Symptom        - The Standby LED does not turn on even though the power cable is connected.

                     - Check the power cable connections.
                     - hecktheconnectionsbetweentheSMPSboardandtheinlet(thepartwherethepowercableis
                      C
                      connected).
 Major Checkpoints - heckwhethertheconnectioncable(8-pin)betweentheSMPSandtheMainboardisconnected
                    C
                    correctly.
                     -CheckwhethertheLED(OP101)oftheMainboardturnson.
                     -ChecktheIC129outputoftheMainboard.


                                                                   No
                      Is the power cable connected correctly?                         Connect it correctly.

                                            Yes

                                                                   No
                         IstheSMPSconnectedcorrectly?                                 Connect it correctly.

      Diagnostics                           Yes

                         IstheLEDoftheMainboardturnedon?           No
                                                                                   Replace the Main board.
                     (Checkthisthroughtheholesontheshieldcase.)
                                            Yes

                                                                   No              Check IC129 and its related
                        IstheoutputpowerofIC129normal?
                                                                                circuits.Replace the Main board.




  Circuit Diagrams
  andWaveforms




                     MakesuretoturnoffthepowerbeforeworkingontheSMPS.
       Cautions
                     Becarefulofresidualcurrent.




4-4
                                                                                                           4. Troubleshooting

4-6.WhenthePowerDoesNotTurnOn
                    - heprojectordoesnotoperateviathePowerbuttonontheremotecontrolorthetopoftheprojector
                     T
    Symptom
                     wheninstandbymode(StandbyLEDON,LAMP/TEMPLEDOFF).
                    - Check the power cable connections.
                    - ChecktheconnectionsbetweentheSMPSboardandtheinlet(thepartwherethepowercableisconnected).
                    - Checkwhethertheconnectioncable(8-pin)betweentheSMPSandtheMainboardisconnectedcorrectly.
Major Checkpoints -CheckwhethertheLED(OP101)oftheMainboardturnson.
                    -ChecktheIC129outputoftheMainboard.
                    - Check whether the keypad attached inside the top cover is connected to the Main board correctly.
                    - Check whether the LED board and the Main board in the projector are connected correctly.

                                                             IR board                                    InletandSMPS
                                                            connections                                 connection check
                                                              (3-pin)
                                                             Keypad
                                                           connections
                                                             (10-pin)




                                                                                                         InletandSMPS
                                                                                                        connection check
   Diagnostics


                                                                   No
                     Is the power cable connected correctly?                    Connect it correctly.
                                           Yes

                                                                   No
                        IstheSMPSconnectedcorrectly?                            Connect it correctly.

                                           Yes

                     PressthePowerbuttonontheremotecontroltoturn   No
                    theprojectoron.Isthevoltageofpin2(POWER_SW)              Replace the Main board.
                      ofCN103measuredasbeingbetween3to3.3V?

                                           Yes

                               ReplacetheSMPS.




 Circuit Diagrams
 andWaveforms




                    MakesuretoturnoffthepowerbeforeworkingontheSMPS.
    Cautions
                    Becarefulofresidualcurrent.

                                                                                                                           4-5
4. Troubleshooting

4-7.Troubleshooting1.TheStandbyandTEMPLEDsblink
      Symptom        Troubleshooting1.TheStandbyandTEMPLEDsblink.
                     -Thisindicatesthatthecoolingfaninsidetheprojectorisnotoperatingnormally.
                     -Checkwhetherallthree(3)fansareconnectedcorrectlytotheMainboard.
 Major Checkpoints -Checkwhetherthefanisoperating.
                     -Checktheoperatingvoltageofthefan.
                     -ChecktheTachosignalsofthefan.

                      Areallthree(3)fansconnectedcorrectly              Connectthefanconnectioncablescorrectly.
                                                             No       (Since there are many cables connected to the
                                to the Main board?
                                                                      Mainboard,takecarewhenconnectingthem.)
                                           Yes
                                                                       Istheoperatingvoltageofthefannormal?           No
                                Isthefanrotating?            No
                                                                      (ForCN109oftheMainboard,pins3and9
                                                                      are12Vandpin6isapproximately7to8V.)
                                           Yes
                                                                                              Yes
      Diagnostics     AretheTachosignalsofthefannormal?      No
                               (Pin4ofCN109)                                       Replacethefan.
                                           Yes

                                                                     Check IC1300 and IC1303 and all related
                         Check IC115 and related circuits.
                                                                                    circuits.



                            Replace the Main board..




  Circuit Diagrams
  andWaveforms
                     
                     -Thefrequencymaychange.Checkthewaveformsonly.




                     Checkwhetherallthree(3)fansareoperatingnormally.
       Cautions      Checkalltheconnectioncablesofthethree(3)fans.
                     Becarefulofresidualcurrent.

4-6
                                                                                                          4. Troubleshooting

4-8.Troubleshooting2.TheLAMPandTEMPLEDsBlink

    Symptom         Troubleshooting2.TheLAMPandTEMPLEDsblink.

                    - This indicates that the lamp replacement cover inside the projector is open.
Major Checkpoints - Check whether the lamp replacement cover is closed.
                    - Check whether the Cover detection switch is operating normally.




                                                             switch is pressed>


                       Is the lamp replacement cover closed             No
                                                                                      Close the cover correctly.
   Diagnostics                       correctly?
                                              Yes

                    Is the Cover detection switch operating normally?   No
                         (Ashort-circuitoccurswhentheswitchis                            Replace the switch.
                     pressed.)(Theswitchisopenwhentheswitchis
                                      inthemiddle.)
                                                Yes

                         Check IC144 and related circuits.




                              Replace the Main board.




 Circuit Diagrams
 andWaveforms




                    MakesuretoturnoffthepowerbeforeworkingontheSMPS.
    Cautions
                    Becarefulofresidualcurrent.




                                                                                                                       4-7
4. Troubleshooting

4-9.Troubleshooting3.TheTEMPLEDBlinks

      Symptom        Troubleshooting3.TheTEMPLEDblinks.

                     - This indicates that the thermostat inside the projector has been activated.
    Checkpoints      -Checktheheatradiationstatusoftheprojector.
                     - Check the thermostat.




                                   Drain hole                                           Inlet hole




                      Checkifthedrainandinletholesofthe
                     projectareclogged,andcooltheprojector
                           forasufficientamountoftime.



                        Checkwhetherthethree(3)fansare                 No
                                                                                             Connect it correctly.
                              connected correctly.
                                            Yes

                      Checkwhetheranyforeignmaterialhas
                       enteredthefanandisobstructingthe
                               operationofthefan
                                            Yes
      Diagnostics
                           Does the Temp LED still blink?

                                            Yes

                        Is the thermostat operating normally?
                         (Removethethermostatandleaveit               No
                                                                                          Replace the thermostat.
                       at room temperature. Check whether a
                              short-circuithasoccurred.)
                                            Yes

                          Check D143 and related circuits.




                              Replace the Main board.


                                                                                  




4-8
                                                                      4. Troubleshooting




Circuit Diagrams
andWaveforms




                   MakesuretoturnoffthepowerbeforeworkingontheSMPS.
   Cautions
                   Becarefulofresidualcurrent.




                                                                                   4-9
4. Troubleshooting

4-10. roubleshooting4.TheStandbyLEDIsTurnedOnandtheLAMPandTEMP
     T
     LEDs blink

     Symptom         Troubleshooting4.TheStandbyLEDisturnedonandtheLAMPandTEMPLEDsblink.

                     - This indicates that the color wheel inside the projector is not rotating normally.
    Checkpoints      - Check the color wheel.
                     - Check the color wheel sensor.


                              Is the color wheel rotating?                         CheckCN102oftheDMDboard
                                                                        No                                          No
                       (Thiscanbecheckedbythehighnoise                             andTP187,TP188,TP189,and
                      thatcanbeheardwhilethecoolingfanis                            TP190onIC129oftheMain
                       rotatingwhentheproductisoperating.)                                  board.

                                             Yes                                                     Yes

                          Check IC131 and related circuits.        No                  Replace the board with the
                            (Colorwheelsensorsignal)                                           problem.
    Diagnostics                                                                       (DMDboardorMainboard)
                                             Yes

                             Replace the sensor board.                                 Replace the color wheel.




                              Replace the Main board.




  Circuit Diagrams
  andWaveforms




4-10
                                                                                     4. Troubleshooting


                                 OUTA(TP187)                          OUTB(TP189)




                                 OUTC(TP188)                          CWCTR(TP190)




Circuit Diagrams
andWaveforms




                              CW_SENSOR(TP184)




                   MakesuretoturnoffthepowerbeforeworkingontheSMPS.
                   Becarefulofresidualcurrent.
   Cautions        Whenworkingonthecolorwheel,takecarenottotouchit.
                   WhenworkingontheDMDboard,takecarethattheopticalpartsandtheDMDboardarenotstained
                   byforeignmaterialsandthattheyarenottouched.




                                                                                                 4-11
4. Troubleshooting

4-11.Troubleshooting5.TheStandby,LAMP,andTEMPLEDsblink

     Symptom         Troubleshooting5.TheStandby,LAMP,andTEMPLEDsblink.

                     - This indicates that the lamp does not turn on.
                     - Check the lamp
 Major Checkpoints - Check the DMD panel
                     - Check the DMD board
                     - Check the digital board

                                      Check the lamp.
                                                                        No
                               Does the lamp have a problem?                   Replace the lamp.
                                   (RefertoLampError.)
                                                  Yes

                               Is the cable connected correctly?        No     Replace the cable.
                                                  Yes

                              Is power supplied to the Main board
                                          normally?                     No     ReplacetheSMPS.
                           Pins6and7ofCN103oftheMainboard:
                                              12V
                                                  Yes

                                  Is the color wheel rotating?          No
                           (Checkthecolorwheelsensorsignalson                   PerformAction4
                              theIC103circuitoftheMainboard.
                                                  Yes
    Diagnostics
                             Is power supplied to the ballast board
                                                                        No
                                          normally?                            ReplacetheSMPS.
                                Becarefulofhighvoltage:380V
                                                  Yes

                             Is the operating signal supplied to the    No   Replace the Main board.
                                       ballast normally?
                                                  Yes

                                      Replace the ballast.



                                                                        No   Replace the DMD board.
                                Is the lamp operated normally?




                                Is the lamp operating normally?         No   Replace the DMD board.




4-12
                                                                                        4. Troubleshooting


                          LAMPCTRL(CN110pin4)               UART1_TXD(CN110pins3and5)




Circuit Diagrams
andWaveforms




                   MakesuretoturnoffthepowerbeforeworkingontheSMPS.
                   Makesuretoturnoffthepowerbeforeworkingontheballast.
                   Becarefulofresidualcurrent.
   Cautions        WhenworkingontheDMDboard,takecarethattheopticalpartsandtheDMDboardarenotstained
                   byforeignmaterialsandthattheyarenottouched.
                   Makesuretocoolthelampforasufficienttimebeforeworkingonthelamp.
                   Whenworkingonthelamp,takecarethattheinsideofthelampisnotstainedbyforeignmaterials
                   and that it is not touched.




                                                                                                    4-13
4. Troubleshooting

4-12. When a Blank Screen Is Displayed

     Symptom         - When a blank screen is displayed.

                     - Check the connections between the DMD board and the Main board.
 Major Checkpoints - Check the Main board output
                     - Check the DMD panel


                     Check the connections between the DMD     No
                                                                                Connect them correctly.
                         boardandtheformatterboard.
                                          Yes

                                                               No
    Diagnostics      CheckthevideooutputoftheMainboard.                        Replace the Main board.

                                           Yes

                             Replace the DMD panel.


                     MakesuretoturnoffthepowerbeforeworkingontheSMPS.
                     Becarefulofresidualcurrent.
     Cautions
                     WhenworkingontheDMDboard,takecarethattheopticalpartsandtheDMDboardarenotstained
                     byforeignmaterialsandthattheyarenottouched.




4-14
                                                                                            4. Troubleshooting

4-13. When an Input Screen Error occurs

   Symptom        - When an input screen error occurs

                  - Check the screen status by the input screen.
                  -ChecktheOSDmenuscreenstatus.
Major Checkpoints - Check the CCA.
                  - Check the Auto Color.
                  - Check the Auto Adjustment.

                    Is there an input screen with no screen        No   ChecktheOSDscreen.
                                     error?                              Does an error occur?
                                          Yes                                                   Yes
                                                                            No

                          Replace the digital board.

   Diagnostics
                     CheckthetestpatternoftheDDPin             No
                     Factorymode.Doesanerroroccur?
                                         Yes

                  Check the DMD board and the DMD panel.


                  MakesuretoturnoffthepowerbeforeworkingontheSMPS.
    Cautions
                  Becarefulofresidualcurrent.




                                                                                                        4-15
4. Troubleshooting

4-14. Adjustments
4-14-1.EnteringFactoryMode
1. henusingthefactoryremotecontrolfortheprojectorprovided,
  W
  pressthefactorybuttonwithin3secondsofpressingthe..infobutton.
2. henusingtheremotecontrolforageneralprojector(TM95),
  W
  presstheMENU,RETURN,INFO,EXIT,andONbuttonssequentiallyinStandbymode.

4-14-2.FactoryMode
 FirstScreeninFactoryMode

1.Service                            Menuforservice
2.Option
3. Adjustment

P-WOLPHWW-0020                       Softwareversion            BootMerge:OK
                                                                DBGMODE

MM-DD-YYYY
hh:mm:ss

4-14-3.FactoryMode-Service
                 *Adjustment Items

   1. Service
   UserReset                                             ProjectorTime            0
   EEPROMReset                                           Timeclear
   WBResetSelect                        OFF              ProtectionError
   AutoColor                                             ProtectionClear
   ColorWheelIndexDelay                 375              DDCprotection            On
   Measuredcolorimetry                  SMPTE_C          Checksum                 0000
   DDPContrast                          0        
   DDPBrightness                        50       
   EEPROMCopy                
   Lamp Time                            0

 FactoryMode-UserResett
- hisisthesamefunctionasthe[InitialSetting]functionintheusermenuandresetstheitemsintheusermenutothe
 T
 factorydefaults.

 FactoryMode-EEPROMReset
-Resetsthesettingsadjustedinthefactorymodetothefactorydefaults.

 FactoryMode-WBResetSelect
- henoperating[EEPROMReset]withthisfunctionturnedOFF,anEEPROMResetisperformedforsettingsotherthan
 W
 settingsrelatedtotheWhiteBalance,andwhenperforming[EEPROMReset]withthisfunctionturnedON,itresetsall
 settingsincludingthesettingsrelatedtotheWhiteBalancetothefactorydefaults.

 FactoryMode-AutoColorAV
-Compensatesfordeviationsofthevideoinputsignalsonthedigitalboard.
-Referto4-13-4AutoColor.

 FactoryMode-AutoColorComponent
-Compensatesfordeviationsofthecomponentinputsignalsonthedigitalboard.
-Referto4-13-4AutoColor.
4-16
                                                                                                   4. Troubleshooting

 FactoryMode-AutoColorAnalogPC
-ACompensatesfordeviationsoftheanalogPCsignalsonthedigitalboard.
-Referto4-13-4AutoColor.

 FactoryMode-ColorWheelIndexDelay
-Compensatesforthereferencepointoftherotatingcolorwheel.Ifdistorted,colorisdistortedforallinputsignals.
-Referto4-13-5ColorWheelIndexAdjustment.

 FactoryMode-ColorTemp
-Adjuststhewhitebalance.Ifdistorted,colorisdistortedforallinputsignals.
-Referto4-13-6CCA

 FactoryMode-Contrast
-Adjuststhecontrastforallinputsignals.Thesettingisthestandardforvaluestoadjustintheusermenu.

 FactoryMode-Brightness
- djuststhebrightnessforallinputsignals.Thissettingbecomesthereferenceforthevaluestobeadjustedintheuser
 A
 menu.

 FactoryMode-DBDeep
-AdjuststhepositionoftheDB(DynamicBlack).Adjuststhe"Deep"positionintheusermenu.
- DynamicBlackisafunctionthatallowsadynamicscreentobedisplayedbyadjustingthemovingirisinsidetheprojectionlens.

 FactoryMode-DBMiddle
-AdjuststhepositionoftheDB(DynamicBlack)position.Adjuststhe"Middle"positionintheusermenu.

 FactoryMode-DBLight
-AdjuststhepositionoftheDB(DynamicBlack).Adjuststhe"Light"positionintheusermenu.

 FactoryMode-EEPROMCopy
- opieswhitebalancerelateddatafromthedigitalboardtotheformatterboardandfromtheformatterboardtothedigital
 C
 board.Thisfunctionisusefulwhenreplacingthedigitalboardortheformatterboard.
- owever,ifyoureplacethedigitalboardandthencopythedatafromthedigitalboardtotheformatterboard,allthedata
 H
 willbedeleted.Forthereversecase,thesameresultwilloccur.
-4-13-3.RefertoBackingUpWhiteBalanceData.

 FactoryMode-LampTime
-Displaysthelampusagetime.Thevaluecanbeusedasthereferenceforthelampguaranteetime.

 FactoryMode-LampTimeClear
-Setsthelamptimeto0.Thisfunctionisusedwhenreplacingthelamp.

 FactoryMode-ProjectorTime
-Displaystheproductusagetime.Thevaluecanbeusedasthereferencefortheproductguaranteetime.

 FactoryMode-ProjectorTimeClear
-Setstheprojectortimeto0.Thisfunctionisusedonlyduringtheproductproductionprocess.

 FactoryMode-ProtectionError
-Displaysthelogsforerrorsthatoccurredwhiletheproductwasoperating.
-Fan1,Fan2,TEMP(Temperature),COVER(Lampreplacementcover),Lamp(Lamplifetime,etc.),ColorWheel,DDP
-Fan2isareserveditem.

 FactoryMode-ProtectionClear
-Deletestheprotectionerrorcontent.Thisisusedafteraserviceiscompleted.

 FactoryMode-DDCWriteEnable
                                                                                                                 4-17
4. Troubleshooting

-IfaproblemoccursintheDDCdata,oranupdateisneeded,performtheupdateaftersettingthisfunctiontoON.

 FactoryMode-Checksum
-Checksthesoftwarecodechecksum.

 FactoryMode-DMDARMApp.Ver
- isplaystheversionfortheapplicationcodeofthesequencefilestoredinthememoryoftheformatterboardforoperating
 D
 the DMD.

 FactoryMode-DMDAPILib.Ver
- isplaystheversionforthelibrarycodeofthesequencefilestoredinthememoryoftheformatterboardforoperatingthe
 D
 DMD

 FactoryMode-DMDTest
- hisfunctionisusedfortesting.IfthisfunctionissettoDisable,thedigitalboardcanbeoperatedwithoutbeingconnected
 T
 totheDMDboardortheformatterboard.

-   !   Warning:surethatthisfunctionissettoEnableafteraserviceiscompleted.

4-14-4. White Balance Data Backup
Whenyouneedtoreplacethedigitalboardortheformatterboard,youcanavoidhavingtoadjustthewhitebalance(CCA
Adjustment:Referto4-13-6)againbyusingthisfunction:Beforereplacingthedigitalboard,backupthewhitebalancedata
storedintheEEPROMofthedigitalboardtotheEEPROMofthedigitalboard.Thenreplacethedigitalboardandcopythe
datafromtheformatterboardtothedigitalboardagain.
-FormattertoDigital
-DigitaltoFormatter
White Balance data: Color Wheel Index Delay value. Color Temp value.

4-14-5. Auto Color
Compensatesfordeviationsoftheinputsignalsonthedigitalboard.

 Auto Color AV
-Compensatesfordeviationsofthevideoinputsignalsonthedigitalboard
-PerformthisfunctionafterinputtingaPALsignaltothevideoinputandthe8colorbarasthepattern.
-IfthereisnoPALsignal,anNTSCsignalcanbeused.

 Auto Color Component
-Compensatesfordeviationsofthecomponentinputsignalsonthedigitalboard.
-Performthisfunctionafterinputtinga1080Psignalintothecomponentinputandthe8colorbarasthepattern.

 AutoColorAnalogPC
-CompensatesfordeviationsoftheanalogPCinputsignalsonthedigitalboard.
-Performthisfunctionafterinputtinga1280x1024@60HzsignalintothePCinputandthe8colorbarasthepattern.
- A 1600x1200@60Hz signal can be input.
 8 Color Bar pattern




4-18
                                                                                               4. Troubleshooting

4-14-6. Color Wheel Index Adjustment
-Compensatesforthereferencepointoftherotatingcolorwheel.Ifdistorted,colorisdistortedforallinputsignals.
-nputa1080PsignalintotheHDMIinputandthe16,32,or64stepgrayrampasthepatternsothatachangeof
 I
 brightness is natural and smooth.
-ItisgoodpracticetoadjustusingRedandthenchecktheGreen,Blue,andGraypatterns.
 64 step Gray Ramp pattern




4-14-7. CCA
 DNIEColor
- Selects whether to apply the white balance adjusted using the CCA.
-ON:AppliestheCCA
-OFF:CCAisnotapplied.

 Color Standard
-Definesthestandardstobeusedintheusermenu.
-SMPTE-C:Thecolorcoordinatestandardforanalogsignals.
-EBU:ThecolorcoordinatestandardforD-TVsignalsusedinEurope.
-HD:ThecolorcoordinatestandardforD-TVsignalsusedintheUSA.

 BrightnessandColorCoordinatesforPrimaryColors
- easureandinputthebrightnessandcolorcoordinatevaluesforRed,Green,Blue,andWhiteofthetestpatterninthe
 M
 user menu.
-Themeasurementshouldbeperformedinadarkroomwithnooutsidelight.
-UseameasurementinstrumentsuchasaCL-200(illuminometer)orCS-1000(luminancemeter),etc.
-Measurethecenterofthescreenwithameasurementdistanceofabout1.5to2mandascreensizeof40".
- nterthemeasuredvaluesandthenmeasurethecolorcoordinatesof6500KWhiteintheusermenu.Themeasuredcolor
 E
 coordinatesaregoodiftheyarewithinx:0.313



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