JVC Model DLA-HX1E manual Troubleshooting, Symptom Probable cause Corrective action

Page 52

Troubleshooting

Symptom

Probable cause

Corrective action

Page

 

 

 

 

Video image is fuzzy.

Is the focus adjusted correctly?

• Adjust focus with the focus ring of the lens.

26

 

 

 

 

 

Is the projector placed too near or too far from

• Set the projector at the correct distance.

17

 

the screen?

 

 

 

 

 

 

 

Are “Tracking” and “Phase” adjusted correctly?

• Adjust “Tracking” and “Phase” using the menu.

37

 

 

 

 

Video image is ab-

Is the “Brightness” adjusted correctly?

• Adjust “Brightness” using the menu.

37

normally dark or

 

 

 

bright.

 

 

 

 

 

 

 

Color is poor or un-

Is the picture quality (color density, etc.) ad-

• Adjust picture quality using the menu.

37

stable.

justed correctly?

 

 

 

 

 

 

 

Is the correct “Decoder” selected?

• Set the “Decoder” to “AUTO” or the correct

38

 

 

dedicated decoder.

 

 

 

• If the problem is not rectified after setting to

 

 

 

“AUTO”, set to forced dedicated mode.

 

 

 

 

 

 

Are signals (scanning frequency, etc.) from the

• Check if the signal is appropriate (scanning

19, 20

 

connected device appropriate?

frequency, etc.), and input the appropriate sig-

 

 

 

nal.

 

 

 

 

 

 

Is the [PC2] input terminal being used?

• When the [PC2] input terminal is being used,

39

 

 

“PC2(BNC)” must be selected from the

 

 

 

“Options” menu. Set it correctly according to

 

 

 

the input signal.

 

 

 

 

 

The upper part of the

If the input signal comes from a computer sys-

• Input separate sync signals for vertical sync

19, 20

video image bows or

tem, is this a sync signal of composite sync (Cs)

(V) and horizontal sync (H) signals.

 

distorts.

or G on sync type?

 

 

 

 

 

 

 

Are signals with much jitter or skew distortion

• Input signals with little jitter or skew distor-

—————

 

being input from a video deck?

tion.

 

 

 

• Use a TBC or a device with a built-in TBC.

 

 

 

 

 

Remote control unit

Are batteries installed correctly?

• Match the polarities of batteries correctly, as

14

does not work.

 

shown on the battery cartridge.

 

 

 

 

 

 

Are batteries exhausted?

• Replace with new batteries.

14

 

 

 

 

 

Is there an obstructive object between the re-

• Remove any shielding objects.

18

 

mote control unit and the remote sensor?

 

 

 

 

 

 

 

Is the remote control held too far from the sen-

• Use the remote control unit at a nearer point.

18

 

sor?

 

 

 

 

 

 

•This projector uses a micro computer. External noise may cause it to malfunction. If this happens, unplug from the main power outlet and then plug on again. (☞ page 25, 27)

52

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Contents For customer Use Model No. DLA-HX1U Serial NoFCC Information U.S.A. only Machine Noise Information Germany onlySafety Precaution Do not allow any unqualified person to install the unitPower supply voltage AC 120 For United For European KingdomHow To Replace The Fuse Do not cut off the main plug from this equipmentUsing the projector How to use the Screen Trigger terminal cableUsing the screen mode switch function About burning-in of the D-ILA deviceContents AccessoriesControls and Features Front Side/ Top Surface/ Left SideControls and Features Rear Side/ Right Side/ Bottom SurfaceConnector Panel Indicator Display on the Control Panel Control Panel on the ProjectorStand by Indicator Operate IndicatorLamp Indicator Temp IndicatorRemote Control Unit Volume buttonVideo button PC button Focus button Not functional on this unitRemote Control’s signal transmitter Operate button Volume ª / · buttonScreen „ / Í button Digital Zoom ª / · buttonsLoading Batteries into the Remote Control Precautions for using batteriesOpen the back cover Load the batteriesInstalling the Projector Precautions for InstallationInstalling the Projector against the Screen Installing the ProjectorPrecaution for ceiling-mount Mounting the ProjectorProjection Distance and Screen Size Screen installation43 Screen Effective Range and Distance of the Remote Control Unit  Using as a wireless remote control unit Using as a wired Remote Control When the remote control unit fails to work properlyConnecting to Various Devices Signals that can be input into the projector Video signals  Computer signalsConnecting to Various Devices  Allowable input signalsConnecting to Devices  Connecting to Video DevicesRight side of projector Connection Connecting to Computers  Control from external device Connection for controlling more than one projectorConnecting the Power Cord supplied  When using the projector, remove the Lens CapBasic Operation Procedures Power OnInsert the power cord into the wall outlet Basic Operations Display using the direct buttons Adjusting the Zoom Ring the screen sizeAdjusting the Focus Ring Focus Basic OperationsAdjusting the Sound Volume Power OffPress Volume · 50 Plug out the power cord from wall outletFrequently used Convenient Functions Enlarging the ImageTurning Off Image and Sound Displaying a Still Picture Vert.keystone Display Removing the Trapezoidal Distortion of the Image Horiz.Keystone Display Press the Quick ALIGN. Quick Alignment button Using the Quick Alignment functionQuick Alignment function Adjustments and Settings Using Menus Menu StructureMain menu SubmenuAdjustments and Settings Using Menus Main menu SubmenuMain Set up menu When video input is selected Main Set up menu When PC input is selectedMenu Menu Operation ButtonsButton Procedure for Menu Operation Adjustment and Setting Using Menus Menu ConfigurationSet up menu Image adj. menuPosition menu Aspect ratio menuDecoder menu Resize menuCapture start Options menuColor profile menu Language menuInformation menu Setting the Aspect ratio Setting Aspect ratio and ResizeProject the image onto the screen Setting Aspect ratio and Resize Press the Menu button to end when adjustment is com- pletedSelect Zoom with the cursor buttons  /  Optimum imageSetting the Resize Set the Resize when Hdcp image is input from PC3 terminalSelect Resize with the cursor buttons  /  and press Enter Resize menu appears on the screenSet Resize to Zoom for optimum projected image Editing and Projecting Logo Project the images to be included in your logoSelect Logo with the cursor buttons  /  Press the Enter or the right cursor button Editing and projecting logo Procedure for lamp replacement About lamp replacementReplacing the Lamp Light source lamp and its lamp timeReplacing the Lamp Remove the lamp unitInsert the new lamp unit until it is fully Close the handle, and tighten the screwResetting the lamp time Insert the power cord into the wall outletTo ensure the lamp time has been reset Press forCleaning and Replacing the Filter Pull out the power cord from the wall outletClean the filter Reinstalling the filterTroubleshooting PliedTroubleshooting Symptom Probable cause Corrective actionWhat to do when these messages are displayed Message Cause ContentsWhat to do when these messages are displayed  About warning indicators For details on individually blinking indicators, please seePlease follow the procedures below  Action to be taken upon warning indicationsSpecifications PB, PRSpecifications Dimensions unit mm  Top Front  BottomPin number Signal name Pin arrangement  Y/C terminal  RS-232C IN/OUT terminal PC 1 terminal  PC 3 terminalCommand Format Communication Specifications RS-232C external control External control command table Memo SW-VP
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