Troubleshooting (continued)

Images aren’t projected correctly.

Problem

 

Cause and solution

 

 

Projected images are shaking.

• Check that the cable connected to the external device isn’t intermittent.

•

Connect the cable’s plug with the external device’s connector firmly.

Projected images are displaced.

•

Press the AUTO POSITION button.

 

• Some computers output out-of-spec signals on rare occasion. Adjust the SIGNAL menu. (See page 19.)

 

 

 

Projected images are distorted.

•

Adjust the projector and the screen so that they are perpendicular to each other. (See page 12.)

 

 

 

• Adjust BRIGHTNESS in the IMAGE menu. (See page 18.)

Projected images are dark.

•

Replace the lamp. (See page 22.)

 

• Remove the lens cap.

 

 

 

• Adjust the focus. (See page 13.)

 

•

Clean the lens.

Projected images are blurred.

•

Remove the lens cap.

 

• Adjust BRIGHTNESS and CONTRAST in the IMAGE menu. (See page 18.)

 

• Adjust the projector and the screen so that they are perpendicular to each other. (See page 12.)

 

 

 

White dots are seen on projected images.

•

This symptom is normal for a DLP projector and is not a malfunction. (A very small number of pixels may stay

Black dots are seen on projected images.

 

lit or out, but such symptom is not a malfunction. Pixels of 99.99% or more are effective.)

 

 

 

Rainbow blur appears in projected images.

•

This is due to color breaking noise that occurs in a DLP system and is not a malfunction.

 

 

Fine streak pattern appears in projected images.

• It occurs because of interference with the screen and isn’t a product malfunction. Change the screen or read-

 

just the focus of the projector.

 

 

 

 

 

• Connect the cable’s plug with the external device’s connector firmly.

Projected images (and/or audio) appear wavy and

• Keep the projector away from equipment generating interfering radio waves.

• When the keystone adjustment is carried out, the image may not be displayed correctly because of the type

distorted.

 

of input signal. This isn’t a product malfunction. In this case, readjust the keystone so that the amount of key-

 

 

 

 

stone correction is as small as possible.

 

 

Tint in projected images is incorrect.

• Check that COMPUTER INPUT in the SIGNAL menu is correctly set. (See page 17.)

• Check that the cable connected to the external device isn’t broken.

 

 

 

 

• The color shade between several equipment may differ depending on the types of optical parts, however, it

Color shade looks different.

 

does not indicate a malfunction.

• Colors may look different from those on the TV or on a display of a personal computer, however, it is due to

 

 

 

differences in the range of color reproduction, and is not a malfunction.

 

 

 

Only the motion areas in the images supplied from

• This is caused by the computer being used. Contact the manufacturer of your computer.

the computer aren’t displayed.

 

 

 

 

 

• Match the output resolution of your computer with the resolution of the projector. For the method to change

Projected images are obscured.

 

the output resolution of the computer, contact the manufacturer of your computer. (See page 29.)

• Some images and texts appear obscured during the keystone adjustment. In such cases, use the projector

 

 

 

without applying the keystone adjustment. (See page 12.)

 

 

 

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Mitsubishi Electronics SD105U user manual Troubleshooting, Images aren’t projected correctly
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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.
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