￿ppendices

Lamp burns out or makes a popping sound

When the lamp reaches its end of life, it will burn out and may make a loud popping sound. If this happens, the projector will not turn on until the lamp module has been replaced. To replace the lamp, follow the procedures in the “Replacing the Lamp” section on page 59.

Steady light => No light =>

LED Problems

LED lighting message

HD81-LV’s Projector side

Normal Operation

 

Power LED

 

Lamp-LED

Temp-LED

 

 

 

 

 

 

 

Message

Red

Dark Blue

Bright Blue

Orange

Blue

Red

Blue

Standby State

 

 

 

 

 

 

 

(Input power cord)

 

 

 

 

 

 

 

Power on (warming)

 

 

 

 

 

 

 

Dark LED for cinema

 

 

 

 

 

 

 

(After Power on 5 mins.)

 

 

 

 

 

 

 

Power off (Cooling)

 

 

Blinking

 

 

 

 

Error (Lamp fail)

 

 

 

Blinking

 

 

 

Error (Fan fail)

 

 

 

 

 

Blinking

 

Error (Over Temp.)

 

 

 

 

 

 

 

Error (HDMI Connec- tion Fail (*2))

Error (RS232 Connection Fail (*2))

Blinking

Blinking

HD81-LV’s Box

Normal Operation

Power LED

 

 

Message

Red

Bright Blue

Standby State

 

 

(Input power cord)

 

 

Power on (warming)

 

 

56

Page 58
Image 58
Optoma Technology Home Theatre Projector LED Problems, Lamp burns out or makes a popping sound, LED lighting message

Home Theatre Projector specifications

Optoma Technology is a leading name in the realm of home theater projectors, renowned for its commitment to delivering high-quality visual performance and innovative technologies. One of their standout products is the Optoma UHD55, which is designed to elevate your home cinema experience with stunning 4K resolution and superior image quality.

One of the main features of the UHD55 is its impressive 4K UHD (3840 x 2160) resolution, providing four times the detail of Full HD. This high resolution ensures that every scene is rendered with remarkable clarity, making it perfect for watching movies, playing video games, or streaming your favorite shows. Coupled with a high brightness rating of 3600 lumens, the projector performs admirably in a variety of lighting conditions, allowing users to enjoy vivid colors and deep blacks regardless of ambient light.

Color accuracy is another strong suit of Optoma projectors, and the UHD55 is no exception. It boasts a wide color gamut that covers up to 100% of the Rec. 709 color space, ensuring that the colors you see are true to life. With HDR (High Dynamic Range) support, the projector can handle a greater range of brightness and contrast, resulting in stunning visuals that make your viewing experience more immersive.

The Optoma UHD55 also features the latest DLP technology, known for its reliability and durability. DLP projectors are less prone to image degradation over time compared to some alternatives, and the UHD55 provides a fantastic viewing experience without the risk of image burn-in. The projector’s lamp life is impressive, with up to 15,000 hours of use in Eco mode, reducing the frequency of replacements and maintenance.

Connectivity is made easy with a multitude of options including HDMI 2.0, USB, and even wireless capabilities. This ensures compatibility with many devices such as gaming consoles, Blu-ray players, and streaming devices. Additionally, the UHD55 supports embedded speakers which deliver decent sound quality for a full cinematic experience without external audio systems.

In summary, the Optoma Technology home theater projector, particularly the UHD55, combines 4K resolution, advanced DLP technology, and HDR support to deliver an unparalleled home viewing experience. With its robust features, user-friendly design, and excellent connectivity options, it remains a top choice for home theater enthusiasts looking to bring the big-screen experience right into their living rooms.