Sharp XG-MB65X operation manual Troubleshooting, Appendix, 23-26

Troubleshooting

	Problem		Check	Page
		•	Projector power cord is not plugged into the wall outlet.	26
		•	Power to the external connected devices is off.	–
		•	The selected input mode is wrong.	30
		•	Cables incorrectly connected to the projector.	23–26
		•	Remote control battery has run out.	14
No picture and no sound		•	External output has not been set when connecting notebook	23
or projector does not			computer.
	start.	•	The lamp unit cover is not installed correctly.	51, 52
		•	Cables incorrectly connected to the projector.	23–26
		•	“Bright” is set to minimum position.	40
		•	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.
Sound is heard but no
picture appears (or picture
	is dark).
		•	Image adjustments are incorrectly set.	40
		• Make adjustments of “Color” and “Tint” in “Picture Mode” and lower
			the “Bright Boost” value.
		(Video Input only)		46
		• Video input system is incorrectly set.
Color is faded or poor.
		•	Adjust the focus.	28
		•	The projection distance exceeds the focus range.	20
		(Computer Input only)
		•	Perform “Fine Sync” Adjustments (“Clock” Adjustment)	46
		•	Perform “Fine Sync” Adjustments (“Phase” Adjustment)	46
	Picture is blurred;	•	Noise may appear depending on the computer.	–
	noise appears.
		•	Cables incorrectly connected to the projector.	23–26
		•	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.
Picture appears but no		•	“Speaker" is set to “Off”.	43
	sound is heard.
An unusual sound is		•	If the picture is normal, the sound is due to cabinet shrinkage	–
occasionally heard from			caused by room temperature changes. This will not affect operation
	the cabinet.		or performance.
Maintenance indicator on		•	See “Maintenance Indicators”.	49
the projector illuminates
	or blinks in red.
The projector cannot be		•	The keylock is set.	45
turned on or put into the			If the keylock is set to “ON”, all the buttons are locked.
standby mode using the
STANDBY/ON button on
	the projector.

Appendix

59