Sharp PG-A20X operation manual Troubleshooting, 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.
The projector cannot be		• The keylock is set.	43
turned on or put into the		If the keylock is set to ON, all the buttons are locked.
standby mode using the
ON or STANDBY button
on the projector.
			-63

Appendix

PG-A20X_E_PDF_P63_69.p65 63 03.4.23, 9:59 AM