Others

 

 

Problem

 

 

 

 

 

 

Cause and solution

ENGLISH

 

 

 

 

 

 

 

 

 

Hot air is emitted from the air outlet grilles.

• This air comes out as a result of cooling the inside of the projector. This isn’t a product malfunction.

 

 

 

 

 

 

 

 

 

 

No audio is output.

 

 

 

 

 

 

• Check that the volume isn’t set to low.

 

 

 

 

 

 

 

 

 

 

Sound cannot be heard from the external audio out-

 

 

put (* Only applicable to the models which have the

• Check whether or not the volume is turned down.

 

external audio output.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• The microcomputers inside the projector may be wrongly operating because of noise.

 

The menu can’t be used.

 

 

 

 

 

 

J Press the POWER button to turn off the lamp and unplug the power cord from the wall outlet. Wait about

 

 

 

 

 

 

 

 

 

 

10 minutes, plug the power cord in, and try again.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Check that the battery is loaded in the remote control or the battery isn’t weak. (See page 8.)

 

The remote control doesn’t function easily or at all.

• Check that the remote control sensor isn’t exposed to direct sunlight or fluorescent light. (See page 8.)

 

• Use the remote control within its operation range. (See page 8.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Use the remote control at least 10 cm away from the projector.

 

 

 

 

 

 

 

 

 

 

 

The buttons on the control panel (except for the

• The password function is working.

 

POWER button) don’t function.

 

 

 

 

 

 

J Cancel the password lock. (See page 21.)

 

 

 

 

 

 

 

 

 

 

 

 

Abnormal sound is heard.

 

 

 

 

 

 

• Because the color wheel spins at a high speed, metallic sounds may be heard in rare occasions. Such symp-

 

 

 

 

 

 

 

tom is not a malfunction.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

STATUS

 

 

 

 

 

 

 

 

 

 

 

• 95% Lamp life exceed

 

 

 

 

 

 

 

 

 

 

J Replace the lamp and reset the lamp hour.

 

Steady green

Blinking red

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When the problems below occur after the lamp is replaced, check the following.

Problem

 

Cause and solution

 

 

The power isn’t turned on.

• Attach the lamp cover on the bottom correctly.

Reset the lamp operation time. (See page 22.)

 

 

 

 

The STATUS indicator blinks.

Reset the lamp operation time. (See page 22.)

 

 

 

Maintenance

Warning:

Do not use flammable solvents (benzene, thinner, etc.) and flammable aerosols when cleaning the projector body and lens. Flammable substances may ignite causing fire or breakdown while the lamp is illuminating.

Caution:

Be sure to turn off the lamp and unplug the power cord from the wall outlet before you perform any maintenance on the projector.

Cleaning of the projector and the ventilation slots

Use a soft cloth to clean the projector and the ventilation grilles. When the grilles become dirty, wipe them with a soft cloth dampened with diluted mild detergent, and then wipe them with a dry cloth.

To protect the surface of the projector from fading or deteriorating:

Do not spray insecticide on or inside the projector.

Do not use benzine or thinner to clean it.

Do not let rubber or plastic materials contact with projector.

Cleaning of the lens

Use a standard lens-cleaning brush or a piece of lens tissue dampened with lens cleaning fluid. The lens surface is fragile. Use only recommended, nonabrasive lens-cleaning materials. Do not touch the lens with your fingers.

EN-25

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Mitsubishi Electronics SD105U user manual Others, Maintenance, Cleaning of the projector and the ventilation slots

SD105U specifications

The Mitsubishi Electronics SD105U is a cutting-edge projector designed to cater to a variety of presentations and display needs, blending portability with advanced features that enhance user experience. This model stands out in several areas, such as brightness output, resolution, and connectivity options, making it suitable for business, educational institutions, and even home use.

At the heart of the SD105U is its high brightness output of 3,000 ANSI lumens, which ensures that presentations remain vivid and clear even in well-lit rooms. This feature is critical for auditoriums or conference rooms where ambient light can often wash out visuals. Coupled with a contrast ratio of 2,000:1, the projector produces deep blacks and vibrant colors, contributing to sharp images and detailed presentations.

The SD105U supports a native resolution of XGA (1024x768), making it ideal for displaying high-quality images, graphics, and text. This resolution is well-suited for PowerPoint presentations and academic lectures, providing clarity that captures and retains audience attention. Additionally, the projector features a range of aspect ratios, including 16:9 for widescreen displays, allowing for versatility depending on the content being projected.

One of the key technologies incorporated into the SD105U is the 3LCD system, which employs three separate LCD panels for red, green, and blue light. This design not only enhances color reproduction but also minimizes the risk of color breakup, leading to smoother and more realistic visuals. As a result, users can expect impressive color accuracy and lifelike images.

In terms of connectivity, the SD105U is equipped with multiple input options, including HDMI, VGA, and USB ports. This range of connectivity allows for seamless integration with various devices, whether it's laptops, media players, or even smartphones, ensuring that users can easily share their content. Additionally, the projector supports digital and analog signals, enhancing its compatibility with older equipment.

The SD105U is also designed with user convenience in mind. Features like a lightweight chassis and robust carry handle make it portable, perfect for professionals on the go. It also includes a quick-start option, allowing users to power up the device rapidly and get started without delays, crucial for time-sensitive presentations.

Moreover, its lamp life spans up to 5,000 hours in economy mode, reducing the need for frequent replacements and lowering overall maintenance costs. This longevity is a significant benefit for institutions and businesses looking to minimize downtime and expenses.

In summary, the Mitsubishi Electronics SD105U is a versatile projector that combines high brightness, excellent image quality, and practicality, making it an ideal solution for various applications. Whether used in business, education, or entertainment, its advanced technologies and features ensure that users can deliver impactful presentations that leave a lasting impression.