Hitachi UT32V502W User Manual download pdf (Page 44)

TROUBLESHOOTING

Before calling a service technician, check the following tables rst. If the problem cannot be solved with the

suggested procedures, contact 800-HITACHI. For your safety, NEVER try to repair the product yourself.

When the Following Messages Appear on the Screen

Message Condition / Action Page

Power Save

This indicates it is in Power Save mode. (in HDMI/RGB mode)

This message appears 5 seconds before Power Save mode starts.

The indicating lamp lights in orange.

No Sync. Signal

The unit cannot detect any signals from any input terminals.

Check if the cable is connected correctly and rmly.

Check if the power of any external equipment is ON.

Check if the input selection matches the connection terminal.

Check if the PC is in Power Save mode or not.

Invalid Scan Freq.

The unit receives unsupported signals.

Check if the cable is connected correctly and rmly.

Check if the input signal is compatible with the specication of the monitor.

Not Available This shows when the selected operation is not available.

Auto Adjusting This indicates that it is in the process of auto adjusting. (in RGB mode)

Symptom and Checklist

Symptoms Checklist Page

No picture - no sound

Ensure the Main Switch is On.

Check the Indicating lamp status (Off, Red, Green, or Orange).

Check the connection of the power cord and/or other cables.

Check if the power of the unit or external equipment is ON.

Check if the correct mode is selected.

Check if the unit is in “Standby mode” or “Power Save mode”.

Adjust the values in “Picture menu” and “Audio menu”.

Multiple images-normal sound Check the connections to external equipment.

Intermittent interference

Check if the source of interference is shielded correctly.

Move these kinds of electrical devices away from the unit.

About LCD Display Technology

The following are common phenomena occurring when viewing LCD display devices due to its characteristics.

Please note that these are not malfunctions.

Defective Spots on Panel

The LCD panel is manufactured with high-precision technology. However, there might be some spots that are not

illuminated, or are brighter than others, or are in different colors, etc.

Surface on Panel

The LCD panel displays images by the uorescent lamps internally. This can raise the temperature of the display

surface.

In addition, do not allow any heavy impact to the front of the panel because the LCD panel is made of high precision

glass.

Use Under Low Temperature Conditions

Because of the structural characteristics of the LCD panel, the response speed of the LCD panel becomes slower

when the ambient temperature becomes too low. In some cases, this may result in a residual image.

The residual image will disappear of its own accord as the temperature rises again to a normal level.

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Hitachi UT32V502W User Manual Page 44

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