Troubleshooting

Phenomena that may be easy to be mistaken for machine defects

WARNING ŹNever use the projector if abnormal operations such as smoke, strange odor, excessive sound, damaged casing or elements or cables, penetration of liquids or foreign matter, etc. should occur. In such cases, immediately turn off the power switch and then disconnect the power plug from the power outlet. After making sure that the smoke or odor has stopped, contact your dealer or service company.

1. Before requesting repair, please check in accordance with the following chart. This operation sometimes resolves your problem.

If the situation cannot be corrected,

2. The projector’s microprocessor may need to be

reset. Please push the Restart switch by using a cocktail stick or similar and the projector will restart.

3. Some setting may be wrong. Please use the FACTORY RESET function of the SERVICE item in the OPTION menu (43) to reset all settings to factory default.

Then, if the problem is not removed after the remedy, please contact your dealer or service company.

Phenomenon

Cases not involving a machine defect

Reference

page

 

 

 

The electrical power cord is not plugged in.

14

 

Correctly connect the power cord.

 

 

 

 

 

 

The power switch is not set to the on position.

17

 

Set the power switch to [ ] (On).

 

 

 

The main power source has been interrupted during

 

Power does not

operation such as by a power outage (blackout), etc.

17

Please turn the power off, and allow the projector to cool

 

come on.

down at least 2 minutes, then turn the power on again.

 

 

 

 

 

 

 

Either there is no lamp and/or lamp cover, or either

 

 

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Please turn the power off, and allow the projector to cool down

56, 57

 

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lamp and lamp cover, and then turn the power on again.

 

 

The signal cables are not correctly connected.

12, 13

 

Correctly connect the connection cables.

 

 

Neither sounds

Signal source does not correctly work.

 

nor pictures are

Correctly set up the signal source device by referring to the

outputted.

manual of the source device.

 

 

The input changeover settings are mismatched.

18, 19

 

Select the input signal, and correct the settings.

 

 

58

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Image 58
Hitachi CP-X251 user manual Phenomenon Cases not involving a machine defect

CP-X251 specifications

The Hitachi CP-X251 is a versatile and reliable projector that is well-suited for educational and business environments. This model excels in delivering clear and vibrant images that enhance presentations, lectures, and meetings. With its robust features and advanced technologies, the CP-X251 stands out as an excellent choice for those seeking a dependable projection solution.

One of the main features of the Hitachi CP-X251 is its exceptional brightness. With a brightness rating of 2500 lumens, the projector is capable of producing clear images even in well-lit environments. This makes it ideal for classrooms and conference rooms where ambient light can be a challenge. The high brightness level is complemented by a high contrast ratio of 2000:1, ensuring that colors are vivid and details are sharp, thereby allowing for a more engaging visual experience.

The CP-X251 utilizes 3LCD technology, which is renowned for its ability to deliver accurate colors and enhanced image quality. This technology enables the projector to produce consistent and bright images across a wide range of color spectrums. It effectively reduces the chances of color saturation, ensuring that presenters can rely on the projector to accurately convey their visual messages.

Additionally, the Hitachi CP-X251 is designed with versatility in mind. It supports a variety of input options including HDMI, VGA, and S-Video, allowing users to connect multiple devices easily. This connectivity is crucial for modern presentations that often incorporate laptops, tablets, and other multimedia sources. Furthermore, the projector has a LAN port for network connectivity, facilitating remote management and monitoring, which is particularly advantageous for IT administrators in a corporate or educational setting.

The projector's lightweight design and compact dimensions make it highly portable, allowing for easy transport between different locations. This is especially valuable for educators and professionals who may need to carry their projector to various venues. The CP-X251 also features a long lamp life of up to 5000 hours in eco mode, reducing maintenance costs and the need for frequent lamp replacements.

In summary, the Hitachi CP-X251 combines advanced projection technologies, impressive brightness, and versatile connectivity features, making it an excellent choice for both educational and professional use. Its reliable performance, portability, and economical operation further solidify its position as a leading projector in its class.