Sharp PG-A10X operation manual Troubleshooting, Appendix, 16-20

Troubleshooting

	Problem	Check	Page
		• Projector power cord is not plugged into the wall outlet.	15
		• Power to the external connected devices is off.	—
		• The selected input mode is wrong.	27
		• The AV MUTE function is working.	27
		• Cables incorrectly connected to rear panel of the projector.	16-20
No picture and no sound
		• Remote control batteries have run out.	13
or projector does not start.
		• External output has not been set when connecting notebook computer.	16
		• The filter/lamp unit cover is not installed correctly.	54,59
		• Cables incorrectly connected to the rear panel of the projector.	16-20
		• “Bright” is set to minimum position.	36
Sound is heard but no
picture appears.
		• Picture adjustments are incorrectly set.	36
		(Video Input only)
		• Video input system is incorrectly set.	45
		(INPUT 1 only)
		• Input signal type (RGB/Component) is incorrectly set.	37
Color is faded or poor.
		• Adjust the focus.	22
		• The projection distance exceeds the focus range.	24
		(Computer Input only)
		• Perform “Fine Sync” Adjustments (“Clock” Adjustment)	38
		• Perform “Fine Sync” Adjustments (“Phase” Adjustment)	38
Picture is blurred;
		• Noise may appear depending on the computer.	—
noise appears.
		• Cables incorrectly connected to rear panel of projector.	16-20
		• Volume is set to minimum.	27
Picture appears but no
sound is heard.
An unusual sound is		• If the picture is normal, the sound is due to cabinet shrinkage	—
occasionally heard		caused by room temperature changes. This will not affect
from the cabinet.		operation or performance.
	Maintenance	• See “Maintenance Indicators”.	55
indicator illuminates.
Power cannot be turned		• The keylock is set.	43
on or off using the power		If the keylock is set to ON, all the buttons are locked.
buttons on the projector.

Appendix

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