Yamaha DPX-830 owner manual Images are not displayed correctly

Page 40

Problem

Solution

 

 

“NO SIGNAL” is displayed.

• Turn on the power of the connected equipment, or check whether there is something wrong with the

 

connected equipment.

 

• Check whether the external equipment outputs signals. (Check this especially when the external equipment

 

is a notebook computer.)

 

• Check that the cable connected to the external equipment is not defective.

 

• Check that the projector is connected to the external equipment using the correct terminals.

 

• Check that the connected equipment is correctly selected as the input source.

 

• If an extension cord is being used, replace it with the supplied cable and check whether images are

 

projected correctly. If images are now projected correctly, add an RGB signal amplifier to the extension

 

cord.

 

 

Images are not displayed correctly.

Problem

Solution

 

 

 

 

Projected images are shaking.

• Check that the signal being output by the external equipment is not intermittent.

Projected images are

Connect the cable plug firmly.

displaced.

Press the AUTO button on the remote control or AUTO SYNC button on the projector (see page 20).

 

 

• Some computers output out-of-spec signals on rare occasion. Adjust the SIGNAL menu (see page 31).

 

 

 

Projected images are

Adjust the projector and the screen so that they are perpendicular to each other (see page 8).

distorted.

 

 

 

 

 

 

 

Projected images are dark.

Adjust BRIGHTNESS and CONTRAST in the IMAGE menu (see page 27).

 

• Replace the lamp (see page 32).

 

 

Projected images are blurred.

• Adjust the focus (see page 16 and 19).

 

Clean the lens.

 

 

Press the

or

button on the remote control to eliminate flicker.

 

Adjust TRACKING and PHASE in the SIGNAL menu (see page 31).

 

Adjust BRIGHTNESS and CONTRAST in the IMAGE menu (see page 27).

 

• Adjust the projector and the screen so that they are perpendicular to each other (see page 8).

 

 

 

White dots are seen on

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

projected images.

 

may stay lit or out, but it is not a malfunction. Pixels of 99.99% or more are effective.)

Black dots are seen on

 

 

 

 

projected images.

 

 

 

 

 

 

 

Rainbow effect is seen on

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

projected images.

 

 

 

 

 

 

 

Fine streaks are seen on

This is due to interference with the screen surface and is not a malfunction. Replace the screen or displace

projected images.

 

the focus a little.

 

 

 

 

Projected images become

Connect the cable plugs to external equipments securely.

wavy.

Keep the projector away from equipments that emit interfering radio waves.

 

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

 

 

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

 

 

keystone correction is as small as possible.

 

 

 

Hue is not appropriate.

Check that the cable connected to the external equipment is not defective.

 

 

 

Tint in projected images is

Check that D-SUB INPUT in the SIGNAL menu is correctly set (see page 26).

incorrect.

Check that the cable connected to the external equipment is not defective.

 

 

 

Only the motion areas in the

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

images supplied from the

 

 

 

 

computer are not displayed.

 

 

 

 

 

 

 

Projected images are

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

obscured.

 

change the output resolution of the computer, contact the manufacturer of your computer (see page 40).

 

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

 

 

without applying the keystone adjustment (see page 17).

 

 

 

 

 

36

Image 40
Contents DPX-830 Important Safety Instructions For Canadian customersFCC Information for US customers only USAEuropean compliance notice For U.K. customersIii GREEN-AND-YELLOWTable of contents Inappropriate places for installation Getting startedAccessory check Power supply partsRemote control parts CablesInserting the batteries into the remote control Remove the rear lid of the remote controlThem correctly, inserting their side first Attach the rear lidControls and functions Projector overviewControl panel Rear panelRemote control overview Using the picture quality adjusting buttonsUsing the remote control Operational rangeReception angle Vertical directionsInstallation Setting up the screenAdjusting the projection angle Mounting the projector on the tableMounting the projector on the ceiling Optional partWhen the aspect ratio of the screen is Screen size and projection distanceConnections Basic home theater system connectionConnecting to a video player, etc Connecting to a DVD player or Hdtv decoderUsing the Video terminal Using the S-VIDEO terminalHdmi or DVI connections SUB connectionsFor analog connections Connecting to a computerFor digital connections Plugging in the power cable With the Setup menuTrigger terminal To exit from the menuConfirm the Power indicator lights up red ProjectionViewing video images PreparationKeystone adjustment Press the Iris button on the remote controlIris button To stop projectingSetting the aspect ratio With the remote control With the Initial menuExamples of the aspect ratio Aspect buttonViewing computer images Connecting to a notebook computer Auto / Auto Sync buttonsMenu Menu overviewHow to set the menus Menu settings Image menuSetup menu Initial menu Signal menu Adjusting video images Selecting the gamma mode GammaCustomizing the gamma mode Gamma Adjusting brightness Contrast and BrightnessSelecting the color temperature Color Temp Customizing the color temperature Color TempAbout color temperature To activate the stored color temperature settingsSharpening or softening images Sharpness Adjusting color Saturation and HUELPF Progressive filter Saving memory settings To activate the stored memory settingsPress one of the Memory buttons on the remote control Memory functionAdjusting computer images Simple method to adjust the image positionTo adjust the horizontal position To adjust the vertical positionInterval of lamp replacement Replacement lamp cartridge OptionReplacing the lamp Spare lampMaintenance Cleaning the projector and the ventilation grillesCleaning the lens Reset of the lamp operation timeAttaching a commercially available lens filter Attaching a lens filter and capAttaching the lens cap Troubleshooting No image appears on the screenImages are not displayed correctly Others Normal conditions IndicatorsAbnormal conditions Specifications Projector specificationsComposite / S-video signal specifications Component signal specificationsDigital RGB Component Signal specifications Analog RGB Signal specificationsDimension drawings ConnectorsAll rights reserved

DPX-830 specifications

The Yamaha DPX-830 is a sophisticated digital projector designed to meet the demands of various audiovisual applications, including home theaters, corporate presentations, and educational environments. Renowned for its high-quality image projection and advanced technological features, the DPX-830 provides a seamless user experience and impressive performance.

One of the standout features of the Yamaha DPX-830 is its high-resolution imaging capability. It offers a native resolution of 1920 x 1080 pixels, also known as Full HD. This ensures that visuals are sharp and detailed, making it perfect for displaying high-definition content. With a brightness rating of 3000 ANSI lumens, the projector performs well even in well-lit environments, ensuring vibrant colors and clear images without significant loss of quality.

The DPX-830 utilizes advanced DLP technology, which offers superior color reproduction and contrast ratios, resulting in deep blacks and vibrant colors. The use of a lamp life of up to 4000 hours reduces maintenance hassles and operating costs, making it an economical choice for users.

Another significant characteristic of the Yamaha DPX-830 is its versatile connectivity options. It features multiple input ports, including HDMI, VGA, and composite video, allowing users to easily connect various devices such as laptops, Blu-ray players, and streaming devices. This flexibility makes it an ideal choice for both personal and professional use.

In terms of audio capabilities, the DPX-830 is equipped with built-in speakers that deliver clear sound, enhancing the overall presentation experience. For users seeking enhanced audio performance, the projector can be connected to external sound systems via audio output ports.

The projector also includes a user-friendly interface that simplifies the setup and operation process. Features like automatic keystone correction and optical zoom facilitate easy adjustments to fit different projection environments. Its compact and lightweight design ensures that it can be easily transported, making it suitable for mobile presentations.

Overall, the Yamaha DPX-830 combines high-resolution imagery, DLP technology, versatile connectivity, and user-friendly operation, making it an excellent choice for anyone seeking a reliable and high-performing projector. Whether in a home theater setting or professional environment, the DPX-830 stands out as a powerful tool for delivering captivating visual content.