Troubleshooting

Philips PT-LB51SU manual Troubleshooting

Should any problem persist, contact your dealer.

Problem	Cause	Reference
Problem	Cause	page
		page
	The Power cord may not be connected.	20
	No electric supply is at the wall outlet.	20
Power does not turn on.	TEMP indicator is lit or flashes.	39
Power does not turn on.	LAMP indicator is lit or flashes.	39
	LAMP indicator is lit or flashes.	39
	The lamp unit cover has not been securely installed.	41
	The circuit breakers have tripped.	-

	The video signal input source may not be connected to a terminal	19
	properly.
No picture appears.	The input selection setting may not be correct.	24
No picture appears.	The BRIGHTNESS adjustment setting may be at the minimum setting.	30
		30
	The signal input source may not be operating properly.	-
	The SHUTTER function may be in use.	24
	The lens focus may not have been set correctly.	22
The picture is fuzzy.	The projector may not be at the correct distance from the screen.	14
The picture is fuzzy.	The lens may be dirty.	40
	The lens may be dirty.	40
	The projector may be tilted too much.	22

The color is pale or greyish.	COLOR or TINT adjustment may be incorrect.	30
The color is pale or greyish.	The input source which is connected to the projector may not be	28
	adjusted correctly.

No sound can be heard	The audio signal source may not be connected properly.	18
No sound can be heard	A cable may be connected to the VARIABLE AUDIO OUT terminal.	13
from the internal speaker.		13
from the internal speaker.	The volume adjustment may be at the lowest possible setting.	26
		26

The control buttons of the	CONTROL PANEL in OPTION menu is invalidated. If you have a loss
The control buttons of the	of the Remote control while the CONTROL PANEL is invalidated,	35
projector do not operate.	press and hold the MENU button for 2 seconds with pressing the	35
projector do not operate.
	ENTER button.

	The batteries may be weak.	-
The Remote control does	The batteries may not have been inserted correctly.	10
The Remote control does	The Remote control signal receptor on the projector may be	23
not operate.	obstructed.
	The Remote control unit may be out of the operation range.	23
	The Remote control is under the strong light such as fluorescent.	23
The picture does not	The signal format (TV-SYSTEM) may not have been set correctly.	31
The picture does not	There may be a problem with the VCR or other signal source.	-
display correctly.	There may be a problem with the VCR or other signal source.	-
display correctly.	A signal which is not compatible with the projector is being input.	44
		44

	The cable may be longer than the optional cable.	-
	The external video output from a laptop computer may not be correct.	47
	(You may be able to change the external output settings by pressing
Picture from a computer	the [Fn] + [F3] or [Fn] + [F10] keys simultaneously. The actual method
Picture from a computer	varies depending on the type of computer; refer to the documentation
does not appear.
does not appear.	provided with your computer for further details.)		Maintenance
	provided with your computer for further details.)
	If an COMPUTER INPUT indicator is turned off, the video signals may	12
		12
	not be output from the computer.
	COMPUTER2 SELECT setting in OPTION menu is not correct.	34

ENGLISH - 43

PT-LB51SU specifications

The Philips PT-LB51SU is a versatile and compact projector that stands out in the world of presentation technology. Designed with the needs of professionals and educators in mind, this model combines excellent performance with user-friendly features, making it an ideal choice for both small conference rooms and classroom environments.

One of the main features of the PT-LB51SU is its impressive brightness level of 3000 lumens, which ensures vibrant and clear image quality even in well-lit conditions. This brightness makes it suitable for a variety of settings, eliminating the need to dim lights for optimal viewing. Coupled with a native XGA (1024 x 768) resolution, users can expect sharp text presentation and detailed graphics, enhancing the overall viewing experience.

The PT-LB51SU employs advanced DLP technology, which provides deeper blacks and enhanced color accuracy. This results in lifelike images that captivate audiences and convey information effectively. Additionally, the projector boasts an impressive contrast ratio, ensuring that shadows and highlights are rendered with remarkable detail.

Portability is another key characteristic of the PT-LB51SU. Weighing just over 2 kg, it is lightweight and easy to carry, making it an excellent choice for professionals who need to deliver presentations in different locations. The compact design allows for easy setup and operation, reducing the time required to get ready for a presentation.

Connectivity is also a strong point for the PT-LB51SU. It features multiple input options, including HDMI, VGA, and USB ports, ensuring compatibility with a wide range of devices like laptops, tablets, and DVD players. This flexibility allows users to connect effortlessly, catering to diverse presentation needs.

Moreover, the projector is equipped with an eco-friendly design, incorporating energy-saving features that extend lamp life, which can last up to 5,000 hours. This not only reduces maintenance costs but also decreases the environmental impact.

In conclusion, the Philips PT-LB51SU is a powerful yet compact projector that excels in brightness, portability, and connectivity. With its advanced technologies and user-oriented features, it serves as a reliable tool for anyone looking to make impactful presentations in various settings. Whether in a business meeting or an educational environment, the PT-LB51SU ensures that information is delivered with clarity and effectiveness.