Sharp PG-D2870W, PG-D3050W, PG-D3550W appendix Troubleshooting, 21-25

Troubleshooting

	Problem	Check	Page
		• Projector power cord is not plugged into the wall outlet.	25
		• Power to the external connected devices is off.	–
		• The lens shutter is closed.	26, 30
		• The selected Input mode is wrong.	30
		• The AV Mute function is working.	30
		• Cables are incorrectly connected to the projector.	21–25
No picture and no sound
		• Remote control battery has run out.	15
or projector does not
		• External output has not been set when connecting a notebook computer.	21
	start.
• The lamp unit cover is not installed correctly.		61, 62
		• Cables are incorrectly connected to the projector.	21–25
		• “Bright” is set to minimum position.	43
		• Depending on the computer you are using, an image may not be	–
		projected unless the signal output setting of the computer is switched
		to the external output. Refer to the computer's operation manual for
		how to switch its signal output settings.
		• Is “On” selected in “DLP® LinkTM”?	53
Sound is heard but no
	picture appears
	(or picture is dark).
Dark or bluish image		• Check that “Wall Color” is confi gured correctly.	49
		• Image adjustments are incorrectly set.	43
		• Make adjustments of “Color” and “Tint” in “Picture Mode” and lower the
		“BrilliantColorTM” value.
		(S-Video, Video Input only)
		• Video input system is incorrectly set.	46
		(COMPUTER/COMPONENT 1, 2 Input only)
		• Input signal type (RGB/Component) is incorrectly set.	45
Color is faded or poor.
		• Adjust the focus.	27
		• The projection distance exceeds the focus range.	19
		• There is fog on the lens. If the projector is carried from a cold room into a	–
		warm room, or if it is suddenly heated, condensation may form on the surface
		of the lens and the image will become blurred. Set up the projector at least
		one hour before it is to be used. If condensation should form, remove the
		power cord from the wall outlet and wait for it to clear.
	Picture is blurred;
		(Computer Input only)
	noise appears.	• Perform “SIG-ADJ” Adjustments (“Clock” and “Phase” Adjustment)	45
		• Noise may appear depending on the computer.	–
		• Cables are incorrectly connected to the projector.	21–25
		• Volume is set to minimum.	30
		• When the projector is connected to an external device and the volume
		is set to minimum, the sound is not output even if you turn up the
		volume of the external device.
		• “Speaker” is set to “Off”.	50
Picture appears but no		• The Audio Mute function is working.	53
	sound is heard.
	Data image is not	• Make the necessary adjustments of each item in the “SIG-ADJ” menu.	45
	centered.	• Depending on the computer you are using, the output resolution signal	–
		may be different from the one you have set. For details, refer to the
		operation manual of the computer.
	An unusual sound is	• If the picture is normal, the sound is due to cabinet shrinkage caused	–
occasionally heard from		by room temperature changes. This will not affect operation or
	the cabinet.	performance.

Appendix

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