JVC DLA-SX21U manual Troubleshooting, Symptom Probable cause Corrective action

Page 47

Troubleshooting

Before consulting your authorized dealer, please check the following points.

Symptom

Probable cause

Corrective action

Page

 

 

 

 

 

Power is not sup-

Is the power cord disconnected?

• Insert the power cord (plug) firmly.

24

plied.

 

 

 

Is the light-source lamp cover closed correctly?

• After the projector goes into the stand-by

25, 27, 44

 

 

 

 

 

state with the STAND BY indicator on, un-

 

 

 

 

plug from the main power outlet, close the

 

 

 

 

light- source lamp cover correctly and plug

 

 

 

 

in again.

 

 

 

 

 

 

 

 

Is the filter inserted correctly?

• After the projector goes into the stand-by

25, 27, 46

 

 

 

state with the STAND BY indicator on, un-

 

 

 

 

plug from the main power outlet, insert the

 

 

 

 

filter properly and plug in again.

 

 

 

 

 

 

 

 

Has the lamp life expired? (Has the lamp time

• After the projector goes into the stand-by state

25, 27, 43, 44, 45

 

 

reached 2000 hours?)

with the STAND BY indicator on, un-plug from

 

 

 

 

the main power outlet, replace light-source

 

 

 

 

lamp and plug in again.

 

 

 

 

Reset the “Lamp time” after replacing the

 

 

 

 

lamp.

 

 

 

 

 

 

Light is not emitted,

Is the lens cap removed?

• Remove the lens cap.

24

or light is dim.

 

 

 

 

 

 

 

 

 

 

Is the lamp near exhaustion?

• Check the “Lamp time” on the menu, and if

43, 44, 45

 

 

 

the lamp is near exhaustion, prepare a new

 

 

 

 

lamp and install as soon as possible.

 

 

 

 

 

 

With power on, the

Is the air inlet or exhaust vent area blocked?

• After the projector goes into the stand-by state

7, 8, 15, 25, 27

projector works but

 

with the STAND BY indicator on, un-plug from

 

stops abruptly in a

 

the main power outlet, remove any blocking

 

few minutes.

 

object and plug in again.

 

 

 

 

 

 

 

 

Is the filter dirty?

• Clean filter.

46

 

 

 

 

Video image does

Is the correct input terminal selected?

• Select the correct input with the VIDEO and

25, 26

not appear, or audio

 

PC buttons.

 

sound does not oc-

 

 

 

 

 

 

 

 

cur.

Are devices connected correctly?

• Connect devices correctly.

21, 22

 

 

 

 

 

 

 

Are signals being supplied from the connected

• Set connected devices correctly.

—————

 

 

devices?

 

 

 

 

 

 

 

 

 

Are input signals (scanning frequency, etc.)

• Check if the signal is appropriate (scanning

19, 20

 

 

appropriate?

frequency, etc.) and input the appropriate sig-

 

 

 

 

nal.

 

 

 

 

 

 

 

 

Is “Brightness” adjusted correctly?

• Adjust “Brightness” using the menu.

37

 

 

 

 

 

 

 

Is volume level set at minimum?

• Adjust volume with the VOLUME buttons.

27

 

 

 

 

 

 

 

Are video and audio temporarily turned off by

• Press the HIDE button to turn video and au-

29

 

 

the HIDE button being pressed?

dio on.

 

 

 

 

 

 

47

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Contents For customer Use DLA-SX21U/DLA-SX21E Instructions DLA-SX21SU/DLA-SX21SEMachine Noise Information Germany only FCC Information U.S.A. onlyPower cord Safety PrecautionDo not allow any unqualified person to install the unit Do not cut off the main plug from this equipment Wire which is coloured green-and-yellow must be conHow To Replace The Fuse Brown LiveCare Using the screen mode switch functionAbout burning-in of the D-ILA device Viewing conditionsAccessories ContentsFront Side/ Top Surface/ Left Side Controls and FeaturesRear Side/ Right Side/ Bottom Surface Controls and FeaturesConnector Panel Alternately*2 Indicator Display on the Control PanelControl Panel on the Projector Stand by light on Operate light on Stand by blinkingVolume ª / · buttons Stand by IndicatorOperate Indicator Lamp IndicatorRemote Control’s signal transmitter Remote Control UnitVolume button Digital Zoom ª / · buttons Remote Control’s signal transmitter Operate buttonVolume ª / · button Screen buttonLoad the batteries Loading Batteries into the Remote ControlPrecautions for using batteries Open the back coverPrecautions for Installation Installing the ProjectorMounting the Projector Installing the Projector against the ScreenInstalling the Projector Precaution for ceiling-mountFor DLA-SX21U/DLA-SX21E  Screen installationProjection Distance and Screen Size 169 ScreenWhen the remote control unit fails to work properly Effective Range and Distance of the Remote Control Unit Using as a wireless remote control unit  Using as a wired Remote Control Computer signals Connecting to Various DevicesSignals that can be input into the projector  Video signalsHorPixels Ver Lines KHz Connecting to Various Devices Allowable input signals Signal Connecting to Video Devices Connecting to DevicesRight side of projector  Connecting to ComputersDesktop type DOS/V, etc Desktop type DOS/V, PC-9800 etc Desktop typeRS-232C connection cable separately available Cross cable  Control from external deviceConnection for controlling more than one projector Cross cable Removing the Lens Cap Connecting the Power Cord suppliedWhen using the projector Power cord suppliedSelecting the image to be projected Basic Operation ProceduresPower On Basic OperationsScreen display  Display using the direct buttonsAdjusting the Focus Ring Focus for DLA-SX21U/DLA- SX21E Basic OperationsAdjusting the Sound Volume Power OffEnlarging the Image  Digital zoom DisplayFrequently used Convenient Functions Press the Freeze button Turning Off Image and SoundDisplaying a Still Picture Press the Hide button once Vert. Keystone Display Press V-KEYSTONE / to adjust in the vertical directionPress H-KEYSTONE / to adjust in the horizontal direction Removing the Trapezoidal Distortion of the ImagePress the Quick ALIGN. Quick Alignment button Using the Quick Alignment functionSelecting the Screen Size  Screen size displaySubmenu Adjustments and Settings Using MenusMenu Structure Main menuMain Information menu Main Image adj. menuOnly in English Main Logo menu Capture menu Capture start Adjustments and Settings Using MenusMain Set up menu Displayed only when PC is selected SubmenuMenu Operation Buttons Procedure for Menu Operation Color temp. menu Menu ConfigurationSet up menu Image adj. menuCapture menu Logo menuPosition menu Decoder menuLanguage menu Capture startOptions menu q Color profile menuInformation menu When no image signal is inputtedPress the Enter or the right Cursor button  Editing and Projecting LogoProject the images to be included in your logo Select Logo with the Cursor buttons  / Editing and projecting logo Light source lamp and its lamp time Procedure for lamp replacementAbout lamp replacement Replacing the LampClose the handle, and tighten the screw Replacing the LampRemove the lamp unit Insert the new lamp unit until it is fullyResetting the lamp time Reinstalling the filter Cleaning and Replacing the FilterPull out the power cord from the wall outlet Clean the filterSymptom Probable cause Corrective action TroubleshootingTroubleshooting Message Cause Contents What to do when these messages are displayedPress any key to delete the message What to do when these messages are displayed Action to be taken upon warning indications  About warning indicatorsPlease follow the procedures below IndicatorExcluding handle, foot, lens and protrusion portion  Mass SpecificationsPreservation temperature 14F ~ 140F -10C ~ +60C Line, DVI-D single-24pin terminalDimensions unit mm Specifications PC 1 terminal Pin number Signal namePin arrangement  Y/C terminal  RS-232C IN/OUT terminal RS-232C external control Function External control command tableOperation mode parameters Character Hex Meaning Operation mode Only Asking command is possibleMemo SW-VP
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