Troubleshooting

Phenomena that may be easy to be mistaken for machine defects

About the phenomenon confused with a machine defect, check and cope with it according to the following table.

Phenomenon

Cases not involving a machine defect

Reference

page

 

 

 

 

 

 

The electrical power cord is not plugged in.

10

 

Correctly connect the power cord.

 

 

 

The main power source has been interrupted during

 

 

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

10, 13

 

Please disconnect the power plug from the power outlet,

Power does not

and allow the projector to cool down at least 10 minutes,

 

then turn the power on again.

 

come on.

 

 

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

 

 

 

 

of these has not been properly fixed.

 

 

Please turn the power off and disconnect the power plug from

45

 

the power outlet, and allow the projector to cool down at least

 

45 minutes. After the projector has sufficiently cooled down,

 

 

please make confirmation of the attachment state of the lamp

 

 

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

 

 

The signal cables are not correctly connected.

8

 

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.

14, 15

 

Select the input signal, and correct the settings.

 

 

 

The signal cables are not correctly connected.

8

 

Correctly connect the audio cables.

 

 

 

The MUTE function is working.

14

 

Restore the sound pressing the MUTE or VOLUME button

Sound does not

on the remote control.

 

come out.

The volume is adjusted to an extremely low level.

14

 

Adjust the volume to a higher level using the menu function

 

or the remote control.

 

 

The AUDIO setting is not correct.

31

 

Correctly set the AUDIO in the SETUP menu.

 

 

 

The lens cover is attached.

13

No pictures are

Remove the lens cover.

 

displayed.

The signal cables are not correctly connected.

8

 

Correctly connect the connection cables.

 

 

(continued on next page)

52

Page 52
Image 52
Hitachi CP-RX70 Electrical power cord is not plugged, These has not been properly fixed, Mute function is working

CP-RX70 specifications

The Hitachi CP-RX70 is a versatile and powerful LCD projector designed for both educational and business environments. This model stands out with its compact size and lightweight design, making it highly portable while still offering reliable performance. With a resolution of 1024 x 768 pixels (XGA) and a brightness of 2700 ANSI lumens, the CP-RX70 ensures that presentations are clear, vibrant, and visible even in well-lit rooms.

One of the key features of the CP-RX70 is its advanced color technology. Hitachi utilizes a threeLCD system that enhances color reproduction, delivering rich and accurate colors for various content presentations. This makes it particularly suitable for displaying detailed images, charts, and videos, ensuring that every visual component is depicted with clarity and vibrancy.

The projector also boasts a contrast ratio of 600:1, providing deeper blacks and brighter whites that enhance the overall image quality. This level of contrast is essential for presentations that require nuanced visuals, making them more engaging and impactful for the audience.

In terms of connectivity, the Hitachi CP-RX70 offers multiple input options, including HDMI, VGA, and composite video, allowing users to easily connect various devices, such as laptops, DVD players, and document cameras. This flexibility in connectivity ensures that users can switch between devices with minimal hassle, enhancing the overall user experience during meetings or classes.

Hitachi has also integrated several convenient features to improve usability. The projector includes a built-in speaker, which adds to the overall functionality, negating the need for external audio for most presentations. Furthermore, the CP-RX70 comes with a remote control, providing users with a seamless way to operate the projector from a distance.

Another notable characteristic of this model is its energy-efficient design. The CP-RX70 has an eco mode that reduces power consumption and extends the life of the lamp, which can last up to 5,000 hours. This not only lowers operating costs but also contributes to environmental sustainability.

Overall, the Hitachi CP-RX70 is designed to meet the demands of modern presentations, combining portability, rich image quality, and user-friendly features to create a practical solution for educators and professionals alike.