Troubleshooting

Common Problems & Solutions

	PROBLEMS	TRY THESE SOLUTIONS

		• Make sure the power cord is inserted snuged into the AC
		adapter socket.
		• Make sure the power cord is inserted snuged into the
	NO POWER	power outlet.
		• Wait 90 seconds after the projector is turned off before
		turning the projector back on.
		• Check whether Front Cover is closed.

		• Check for the proper input source.
	NO PICTURE	• Ensure all cables are connected properly.
		• Adjust the brightness and contrast.

	TRAPEZOID	• Reposition the unit to improve its angle on the screen.
	IMAGE ON THE	• Use the Keystone correction key on the remote control
	SCREEN	unit.

	POOR COLOR	• Select the correct video system.
	POOR COLOR	• Adjust brightness, contrast, or saturation.
		• Adjust brightness, contrast, or saturation.

		• Press Auto on the control panel of the projector or the
		remote control unit to get better picture quality.
	BLURRED	• Adjust the focus.
	IMAGE	• Reposition the unit to improve its projection angle.
		• Ensure the distance between the unit and screen is within
		the adjustment range of the lens.

	REMOTE	• Replace the batteries with new ones.
	REMOTE	• Make sure there is no obstacle between the remote control
	CONTROL DOES	• Make sure there is no obstacle between the remote control
	CONTROL DOES	and the projector.
	NOT WORK	and the projector.
	NOT WORK	• Make sure nothing is blocking the front and rear receivers.

Status Messages

	On-Screen	Description
	Messages	Description
	Messages

	No Signal	Projector is searching for input.

	Out of Range	Input signal frequency exceeds the projector’s range.

		The lamp has been in operation for over 1500 hours. The warn-
	Replace the	ing message will display on screen. Repalce the lamp when
	Lamp	the warning message displays or the projector may not be
		turned on.

DLP Personal Projector

RD-JT31 800X600 SVGA, RD-JT30 1024X768 XGA specifications

LG Electronics has long been recognized as a leading innovator in consumer electronics, and its projector offerings are no exception. Among its distinguished lineup are the RD-JT30 and RD-JT31 projectors, which merge advanced technology with compelling features designed to meet a variety of user needs.

The RD-JT30 model boasts a native resolution of 1024x768 pixels, categorized as XGA. This enhances image clarity and sharpness, making it ideal for presentations, conferences, and educational settings. Coupled with a brightness rating of up to 3000 lumens, the RD-JT30 ensures that images remain vibrant and visible even in well-lit environments. The projector utilizes DLP (Digital Light Processing) technology, which provides smoother images and richer colors compared to traditional LCD projectors.

One of the standout features of the RD-JT30 is its extensive connectivity options. Users can easily connect via HDMI, VGA, and USB, allowing compatibility with various devices such as laptops, tablets, and even mobile phones. This versatility ensures that the RD-JT30 can adapt to different settings, whether it's a business meeting or a classroom environment. Additionally, the projector's built-in speaker delivers decent audio quality, reducing the need for external sound systems in smaller venues.

On the other hand, the RD-JT31 offers a resolution of 800x600 pixels, classified as SVGA. While it has a lower resolution than its counterpart, the RD-JT31 is an excellent option for users who prioritize budget-friendly solutions without sacrificing essential features. This model also provides a sufficient brightness level, making it a suitable choice for educational purposes, casual presentations, or home entertainment.

Both models feature an eco-friendly design by incorporating energy-saving technologies. This includes automatic shutdown options that help reduce power consumption when the projectors are not in use. Moreover, LG has equipped these projectors with long-lasting lamp life, further enhancing the cost-effectiveness for users.

Portability is another noteworthy characteristic; both projectors are lightweight and compact, making them convenient for transport between different locations. With robust performance, user-friendly features, and a commitment to quality, the LG Electronics RD-JT30 and RD-JT31 projectors showcase the brand’s dedication to enhancing visual experiences across various environments.