Hitachi CMP4221 user manual Troubleshooting, Symptoms That Seemingly Appear to be Failures

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TROUBLESHOOTING

Symptoms That Seemingly Appear to be Failures

Make the checks suggested below depending on the symptoms observed. If the symptoms remain uncorrected, contact your dealer.

WARNING

Self servicing can be hazardous.

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Symptom

 

 

Point to check

See Page

Ɣ There is no picture and the indicating lamp is off.

 

 

Ɣ Check to see that the power cable is properly connected.

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Ɣ Press the main switch.

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Ɣ In RGB mode, the message “NO SIGNAL” is

 

 

No sync signal is detected.

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displayed.

 

 

Ɣ Check that the signal cable is properly connected.

NO SIGNAL

 

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Ɣ In Video mode, the message “NO SIGNAL” is

 

 

Ɣ Make sure that the computer, imaging equipment, etc., is turned on.

 

displayed.

 

 

Ɣ Make sure the computer is not in power-save mode.

 

Ɣ There is no picture and the indicating lamp lights

 

 

Ɣ Ensure that the input selection matches the connection terminal.

 

orange.

 

 

 

 

 

 

 

 

 

Ɣ The message “OUT OF RANGE” is displayed.

 

 

An input signal is received abnormally.

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Ɣ Ensure that the input signal matches the monitor specifications.

 

OUT OF RANGE

 

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Ɣ Check to see that the signal cable is properly connected.

 

 

 

 

 

 

 

Ɣ The indicating lamp is lit normally but there is no

 

 

Ɣ Check the contrast and brightness settings (adjust them for higher

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picture.

 

 

contrast and brightness).

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Ɣ Check to see that the signal cable is properly connected.

 

 

 

 

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Ɣ The display image appears slanted.

 

 

Ɣ Adjust the clock frequency and the phase. (Adjust the clock frequency

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Text displayed across the screen appears vertically

 

 

first, the dot clock phase next.)

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streaked, with the characters in vertical columns

 

 

(RGB input)

blurred.

 

 

 

 

 

 

 

 

 

Ɣ Text displayed across the screen appears blurred.

 

 

Ɣ Adjust the clock phase till the desired clarity is obtained.

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A fine pattern flickers when displayed on the screen.

 

 

(RGB input)

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Ɣ The remote control does not work.

 

 

Ɣ Ensure that the batteries in the remote control are inserted with

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the correct polarity.

 

 

 

 

 

 

 

Ɣ Check to see that the batteries in the remote control are functional.

 

 

 

 

 

 

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ENGLISH

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Contents CMP4221 ZThere are no user serviceable parts inside the monitor Constitute a risk of electric shock to personsExclamation point within an equilateral triangle, is Intended to alert the user to the presence of importantRead before operating the appliance Follow all warnings and instructions marked on this monitorFeature OptionsContents Safety Instructions About the SymbolsBe careful in handling the battery of the remote control Be cautious of the power cord connectionBe sure to keep safety ground connection Safety Instructions How to clean the cabinet of the monitor Precautions for the cable connectionPrecaution during transportation Do not physically impact the remote controlComponent Names Main UnitFront Control PanelLoading Batteries Remote ControlHanding the Remote Control Installation Instructions Installation the Desktop stand optionAnti-tumble measures Mounting the Speaker Unit optionAn example of connecting video components Installation InstructionsConnecting to Video Imaging Device Connecting to a PC or a Hdmi device DVD PlayerInstallation Instructions Power Cord Connection Turing Power On and Off Indicating Power status OperatingOperating Instructions Indicating lampVolume Adjustment Input SwitchingOperating Instructions Audio MuteOperating Instructions Size Switching SignalSqueeze NormalProgram UP/DOWN buttons OK button Use theWand Xto adjust example BrightnessAdjustw X buttons Select buttons Picture Image Audio Function Setup LanguageSelected CharactersSelected characters Setup hint Picture MenuPicture Only un available in the RGB inputImage Menu Vertical Filter Audio Menu Function Menu Single PIP PBP POPSub Source Function SettingsPIP Combination Table SETUP1 Menu Selected Setup hint CharactersSETUP2 Menu SetupOther Features Automatic StorePicture Menu Display Registration conditionOther Features Signal Check RGB Input Changes in the signal status are displayed on the screenSpecifications Status Display ActionImage Retention Examples of Image RetentionAbout screen defects About residual imagesTroubleshooting Symptoms That Seemingly Appear to be FailuresSymptom Point to check See Video mode, the message no Signal isPeriphery Please note that this is not a malfunctionThat of the periphery, etc RGB Input only Image Top of the monitor heats upSymptom AdjustmentProcedure Press the OK key and W Xbutton then Select Image Press the X button to auto configurationProduct Specifications Product Pecifications Signal Input RGB Input D-sub 15-pin connectorInput connector pin specifications Hdmi InputWith Hdmi input Product Specifications Recommended Signal ListWith Analog RGB signal input RGB input With Composite Input and S-video Input AV1 and AV2 input With Component YPb, Pr input AV3 and AV4 input59.94 1080
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