Maintenance and Troubleshooting

Table 5-1. Troubleshooting Chart (continued)

Symptom

 

Possible Cause(s)

 

Solution

 

 

 

 

Picture is okay, but there is no

Audio output is muted.

• Press the MUTE button on

sound.

 

 

 

the remote control.

 

• Volume setting is too low.

• Turn up the volume.

 

Source component is

• Check audio connections to

 

 

connected incorrectly or

 

source component.

 

 

not at all.

 

 

 

Speakers are connected

Check speaker connections

 

 

incorrectly or not at all.

 

(Figure 3-8).

 

Audio settings are

Check the following

 

 

incorrect.

 

settings: Digital Audio Out

 

 

 

 

(page 34), TV Speaker

 

 

 

 

(page 34) and HDMI Audio

 

 

 

 

(page 39).

 

 

 

 

 

Image is too bright and/or lacks definition in the bright areas of the image.

• Contrast is set too high.

• Lower the contrast setting.

Image appears “washed out” and/or dark areas appear too bright.

Black or white dots appear on all channels or a specific channel.

• Brightness is set too high.

• Lower the brightness

 

setting.

• Antenna or cable TV source

• Check the antenna or cable

is connected incorrectly or

TV connection.

not at all.

 

• Broadcast signal is weak.

• If using an off-air antenna,

 

adjust its position or

 

location.

Colors in the image are

• The Red/Pr, Green/Y or

• Ensure that the source

swapped; for example, reds

Blue/Pb outputs from the

outputs are connected to

appear blue or vice versa.

source are connected to the

the correct DView input.

 

wrong inputs on the DView.

 

 

 

 

RGB-HD images appear

• Clock and Phase settings

• Manually adjust Clock and

“noisy.”

need adjustment.

Phase settings, or perform

 

 

an Auto-Adjust (refer to PC

 

 

Mode Adjust on page 36).

 

 

 

“Invalid mode” appears

• The resolution and

• Select a compatible

on-screen.

frequency of the video card

resolution and vertical

 

in the computer are not

frequency (refer to

 

compatible with the DView.

Computer Signal

 

 

Compatibility on page 61).

 

 

 

The image is too large or too

• Image size needs adjusting.

• Adjust the image size (refer

small.

 

to PC Mode Adjust on

 

 

page 36).

 

 

 

Poor broadcast sound quality.

• The sound quality of a

• Use the MTS/SAP button

 

stereo broadcast may be

on the remote control to

 

unstable in an area with a

select mono.

 

weak signal.

 

 

 

 

50

Vidikron VL-52 and VL-57 Owner’s Operating Manual

Page 62
Image 62
Vidikron VL-52, VL-57 manual Computer Signal

VL-57, VL-52 specifications

The Vidikron VL-52 and VL-57 are high-performance projection television models that encapsulate advanced technology and design, aimed at delivering an exceptional viewing experience. Manufactured during an era when home theater systems were evolving, these models became known for their cutting-edge features and superior picture quality, setting a benchmark in the projection television market.

The VL-52 features a 52-inch screen size, while the VL-57 sports a larger 57-inch display, both offering expansive viewing areas ideal for home cinema setups. One of the key characteristics of these models is their use of a high-resolution CRT (Cathode Ray Tube) technology, which provides vibrant colors and deep blacks, enhancing the overall image quality. The zoned convergence adjustment allows users to fine-tune the picture, ensuring that colors align perfectly across the entire screen.

In terms of features, both models support various video formats, including 480i, 480p, and 1080i, allowing for high-definition viewing on compatible content. The inclusion of multiple inputs, such as component, composite, and S-Video, ensures that users can connect a variety of devices, from DVD players to gaming consoles, easily. This versatility makes the VL-52 and VL-57 attractive options for consumers seeking a comprehensive entertainment solution.

The technologies integrated into these models also contribute to their performance. The onboard video processing capabilities enhance image clarity and reduce motion blur, making fast-paced action scenes more enjoyable. Furthermore, both models are equipped with an advanced color management system, which ensures that colors remain true to the source material, providing viewers with a lifelike experience that is reminiscent of the cinema.

Another noteworthy characteristic is the build quality. The Vidikron VL-52 and VL-57 feature a robust and elegant design, making them a fitting centerpiece in any home theater setup. The attractive cabinet work and premium materials used in their construction reflect the brand's commitment to quality and aesthetics.

Overall, the Vidikron VL-52 and VL-57 remain iconic models, blending technology, performance, and design. As home entertainment continues to evolve, these projectors stand as a testament to the innovation that defined their era, offering features and characteristics that can still impress enthusiasts today.