Hitachi CMP4221 Symptom, Display image appears flowing RGB input, Example, Adjustment, Screen

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TROUBLESHOOTING (continued)

Actions to Correct Abnormal Displays (RGB Input)

Corrections d'affichage anormales RVB 1 seulement

Depending on the kind of system equipment used, images may not be displayed normally. In this case, make the adjustments suggested below. (only for RGB)

Symptom 1

Text displayed across the screen appears vertically streaked, with some characters blurred (Figure 1).

 

The display image appears flowing (Figure 2) (RGB input).

Example

Figure 1

Vertical Streaks

 

 

Before adjustment.

 

 

Some characters are blurred.

 

 

After adjustment.

 

 

All characters appear

 

 

crisp now.

After adjustment. All characters are blurred.

Adjustment

1)

Press the MENU button. The Main Menu will be displayed.

procedure

2)

Press the OK key and W Xbutton then Select Image.

 

3)

Press the S T SELECT button and select Auto Adjustment.

 

4)

Press the X button to auto configuration.

When adjustment is not possible with Auto Adjust:

5)Press the MENU button. The Main Menu will be displayed.

6)Press the OK key and W Xbutton and select Image.

7)Press the S TSELECT button and select Frequency Mode.

8)Press theX or W buttons and search for clear characters over the entire screen.

9)Perform adjustment for symptom 2 below, when the characters are blurred on the entire screen.

zThe display image may be momentarily disturbed during clock adjustment but this is not a failure.

Symptom 2

Text displayed across the screen appears blurred in its entirety (Figure 2).

 

 

 

 

 

 

 

 

 

A fine pattern flickers when displayed on the screen (Figure 3).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Example

Figure 2

 

 

 

 

 

Before adjustment

Figure 3

 

 

 

Before adjustment

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

After adjustment

After adjustment

 

 

 

 

Adjustment

1)

Press the MENU button. The Main Menu will be displayed.

 

procedure

2)

Press the W Xbutton and Select Image.

 

 

3)

Press the S TSELECT button and select Auto Adjustment.

 

 

4)

Press the X button to auto configuration.

 

When adjustment is not possible with Auto Adjust

5)Press the MENU button. The Main Menu will be displayed.

6)Press the OK key andW X button and select Image.

7)Press the S TSELECT button and select Clock PHASE.

(Displays fine patterns as characters or a vertical striped pattern over the entire screen during Clock Phase adjustment.)

 

8) PressX or W buttons to make the text appear clean across the

9) Press Xor W buttons to make the text appear without flickering.

 

screen.

 

 

 

 

ENGLISH

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Image 34
Contents CMP4221 Exclamation point within an equilateral triangle, is ZThere are no user serviceable parts inside the monitorConstitute a risk of electric shock to persons 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 sure to keep safety ground connection Be cautious of the power cord connectionBe careful in handling the battery of the remote control Safety Instructions Precaution during transportation How to clean the cabinet of the monitorPrecautions for the cable connection Do not physically impact the remote controlFront Component NamesMain Unit Control PanelHanding the Remote Control Remote ControlLoading Batteries Anti-tumble measures Installation InstructionsInstallation the Desktop stand option Mounting the Speaker Unit optionConnecting to Video Imaging Device Installation InstructionsAn example of connecting video components Connecting to a PC or a Hdmi device DVD PlayerInstallation Instructions Power Cord Connection Operating Instructions Turing Power On and OffIndicating Power status Operating Indicating lampOperating Instructions Volume AdjustmentInput Switching Audio MuteSqueeze Operating Instructions Size SwitchingSignal NormalAdjustw X buttons Select buttons Use theWand Xto adjust example BrightnessProgram UP/DOWN buttons OK button Selected Picture Image Audio Function SetupLanguage CharactersPicture Selected characters Setup hintPicture Menu Only un available in the RGB inputImage Menu Vertical Filter Audio Menu Function Menu Single PIP PBP POPPIP Combination Table Function SettingsSub Source SETUP1 Menu Selected Setup hint CharactersSETUP2 Menu SetupPicture Other FeaturesAutomatic Store Menu Display Registration conditionSpecifications Other Features Signal Check RGB InputChanges in the signal status are displayed on the screen Status Display ActionAbout screen defects Image RetentionExamples of Image Retention About residual imagesSymptom Point to check See TroubleshootingSymptoms That Seemingly Appear to be Failures Video mode, the message no Signal isThat of the periphery, etc PeripheryPlease note that this is not a malfunction RGB Input only Image Top of the monitor heats upProcedure Press the OK key and W Xbutton then Select Image SymptomAdjustment Press the X button to auto configurationProduct Specifications Input connector pin specifications Product Pecifications Signal InputRGB Input D-sub 15-pin connector Hdmi InputWith Analog RGB signal input RGB input Product Specifications Recommended Signal ListWith Hdmi input 59.94 With Composite Input and S-video Input AV1 and AV2 inputWith Component YPb, Pr input AV3 and AV4 input 1080