Hitachi CMP4212, CMP4211 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

Customer servicing can be hazardous.

Symptom

 

Point to check

See page

 

 

 

 

• No picture with the power-indicating lamp

 

• Check the way the power cable is connected.

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off.

 

• Press the power switch.

 

 

 

 

 

 

16

 

 

 

 

 

 

 

 

 

• The message “No Sync. Signal” or “Power

 

 

No sync signal is detected.

14

 

 

Save” is displayed.

 

! No Sync. Signal

• Check the way the signal cable is connected.

 

 

 

• Make sure that the switch of the computer, imaging equipment ,

 

• No picture with the power indicating lamp

 

 

etc., is turned on.

 

 

 

 

lights in orange.

 

 

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

 

 

 

 

• Check to see if the input selection matches the connection

 

 

 

 

 

 

 

 

terminal.

 

• The message “Invalid Scan Freq.” is

 

 

 

 

 

 

An input signal is not received normally.

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displayed.

 

! Invalid Scan Freq.

• Check to see if the input signal matches the monitor

 

 

 

 

 

 

 

 

 

specifications.

31

 

 

 

 

 

 

 

• Check the way the signal cable is connected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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• The power indicating lamp is normally lit but

 

 

 

 

 

 

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

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no picture .

 

 

 

 

 

 

contrast and brightness).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Check the way the signal cable is connected.

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• The display image appears flowing

 

 

 

 

 

 

• Adjust the dot clock frequency and phase. (Adjust the dot clock

 

 

 

 

 

 

 

 

slantwise.

 

 

 

 

 

 

frequency first, the dot clock phase next.)

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• Text displayed across the screen appears

 

 

 

 

 

 

(RGB input)

 

vertically streaked, with the characters in

 

 

 

 

 

 

29

 

 

 

 

 

 

vertical columns blurred.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Text displayed across the screen appears

 

 

 

 

 

• Adjust the dot clock phase for the clearest viewing.

 

blurred.

 

 

 

 

 

(RGB input)

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•A fine pattern flickers when displayed on the

screen.

 

29

 

 

 

• The remote control does not work.

• Check to see if the batteries are loaded in the remote control in

 

 

opposite direction.

12

•Check to see if the batteries in the remote control are OK.

ENGLISH

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Contents CMP4211 black CMP4212 silver Important Safety Instructions Prevention of Screen Burn Features Contents About the Symbols Safety InstructionsBe careful in handling the battery of the remote control Safety InstructionsBe cautious of the power cord connection Be sure to keep safety ground connectionHow to view the monitor Avoid a high temperature environmentRemove the power cord for complete separation Installation environmentSet the sound volume at a suitable level Precautions for the cable connectionPrecaution during transportation Do not physically impact the remote controlClass B Personal Computers CPU Boards and Power Supplies usedFCC Federal Communications Commission Statement Warning Declaration of ConformityMain Unit Component NamesComponent Names Remote control Handling the Remote ControlLoading Batteries Securing to a wall or pillar Installation InstructionsInstallation Anti-tumble measuresInstallation Instructions Connecting to a PCMonitor rear panel English Turning Power On and Off Operating InstructionsIndicating lamp Audio Mute Operating Instructions Volume AdjustmentInput Switching When a button is pressed, the volume adjustmentOperating Instructions Size SwitchingInput Signal Screen Display Display area selection diagram RGB inputIndependent Operation of Multiple Monitors ID No Operating Instructions Using the Menu ScreenAutomatic Adjustment of Screen Position and the Clock On-screen display systemPicture Menu Audio Menu Timer Menu60Min Function MenuSetup Menu Menu Display Registration condition Other FeaturesLanguage Menu Automatic StoreStatus Display Action Other Features Signal CheckPower Save Mode When the RGB1, RGB2 input is selectedAbout residual images Image Retention of Plasma DisplayMethods to Reduce the Occurrence of Image Retention About screen defectsCheck to see if the input signal matches the monitor TroubleshootingSymptoms That Seemingly Appear to be Failures Check the way the signal cable is connectedSymptom Point to check Example Troubleshooting Actions to Correct Abnormal DisplaysPin Input signal Product SpecificationsSignal Input RGB terminal D-sub 15-pin connectorDVI terminal DVI-D Product Specifications Signal InputRecommended Signal List With Digital RGB signal input RGB1 inputWith Analog RGB signal input RGB2 input Product Specifications Recommended Signal ListSupplement Optional Video Unit Function Connecting to a Video Imaging DeviceAn example of connecting video imaging devices With DVI-STB and RGB component setupDisplay size selection diagram AV1 AV2 AV3 RGB2 RGB1 AV4Full Press Using a wide-screen monitorPictures Split Operating Instructions Displaying Multi PictureYNR Operating Instructions Picture Menu Item is added to the Menu shown AV2 1st step SystemColor System Video InputRGB2 1st step RGB2 2nd step Operating Instructions Setup MenuAudio Input Scart OutputVideo input Input connector pin specifications Scart connector pin specificationsNot Used With R, G, B Video input AV2 and AV4 input With component input AV1, AV2 and RGB2-component inputKHz MHz

CMP4211, CMP4212 specifications

Hitachi CMP4212 and CMP4211 are renowned models within the realm of industrial-grade flat panel displays, known for their advanced technologies and features suited for various applications, including professional broadcasting, healthcare, engineering, and digital signage. These models showcase Hitachi's commitment to providing high-quality visual solutions while integrating innovative technologies designed to enhance user experience and reliability.

One of the defining characteristics of the CMP4212 and CMP4211 is their impressive display performance. Both models feature a 42-inch diagonal screen, delivering vibrant colors and incredible image clarity. Equipped with high-resolution capabilities, the displays provide sharp and detailed visuals, making them ideal for environments where precision and clarity are paramount. With a contrast ratio that ensures deep blacks and bright whites, users can expect enhanced visibility in various lighting conditions.

These models utilize advanced LCD technology, ensuring a wide viewing angle. This is particularly beneficial in settings where multiple viewers are positioned at different angles, allowing for consistent image quality across the viewing plane. Additionally, the displays incorporate Hitachi's proprietary image enhancement technologies, which further improve picture quality and reduce visual artifacts, ensuring that the images presented are both accurate and appealing.

Durability is another hallmark of the CMP4212 and CMP4211. Designed for heavy-duty usage, these displays are built to withstand the rigors of demanding environments. Their rugged construction, along with protective glass overlay, ensures that the screens are resilient against scratches and impacts. This makes them an excellent choice for hospitals, control rooms, and other locations where longevity is crucial.

In terms of connectivity, both models offer a variety of input options, including HDMI, VGA, and component video, enabling compatibility with a wide range of devices. This versatility simplifies integration into existing systems, allowing for seamless operation whether used for presentations, video playback, or complex data displays.

Energy efficiency is another noteworthy aspect of the CMP4212 and CMP4211. With advancements in power management, the displays consume significantly less energy compared to traditional models. This not only reduces operational costs but also supports environmentally friendly practices.

In summary, Hitachi CMP4212 and CMP4211 stand out due to their remarkable display performance, durability, versatile connectivity, and energy efficiency. These features make them ideal candidates for any professional environment where high-quality visual presentation is crucial, ensuring that they continue to meet the demands of users across various industries.
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