PLUS Vision U4-136 Troubleshooting, Check the following matters before requesting servicing, E-71

Troubleshooting

Check the following matters before requesting servicing.

Problem		Check	Reference
			Page
Power does not turn on	•	Is the power cord plugged into a power outlet?	E-24
	•	Is the lamp cover properly mounted?	E-75
	•	Is the projector’s temperature high? To protect the projector, the power can-	E-70
		not be turned on when the projector’s temperature is abnormally high.
	•	Has the lamp reached the end of its service life?	E-70
No image is produced	•	Is a connected input selected?	E-50
	•	Is the cable properly connected to the input terminal?	E-18 –23
	•	When a computer is connected, are signals being output from the computer?	E-20
	•	Does the signal being input have a frequency usable with this projector?	E-77
	•	Are the brightness and contrast adjusted to the minimum?	E-43
	•	Is the STATUS indicator lit a steady red or flashing red?	E-70
	•	When the component signal of the DVD player is connected with the DVI	E-50
		connector and the image is not output, is [Input Settings] of the DVI connec-
		tor properly selected?
	•	For a analog RGB input, has the picture been properly adjusted?	E-43, 44
Image is distorted	•	Is the projector properly installed?	E-27
	•	For trapezoidal (keystone) distortion, perform keystone adjustment.	E-33, 48
Image is out of focus	•	Is the lens properly focused?	E-28
	•	Are the screen and projector installed at the proper distance?	E-14 –17
	•	Does the projection distance exceed the focusing range?	E-14 –17
	•	Is there condensation on the lens, etc.?	–
		If the projector is moved from a cool storage area to a warm place and the
		power is turned on, condensation may form on the lens or internal optical
		parts. If this happens, wait until the condensation has evaporated before
		using the projector.
Image is not in proper posi-	•	For a computer input, are the horizontal and vertical positions properly ad-	E-44
tion and is not displayed		justed?
properly	•	Does the input signal have a compatible resolution and frequency? Check	E-77
		the computer’s resolution.
Video image is crushed	•	If the image is crushed in the horizontal or vertical direction or if it is not	E-30
		displayed over the entire screen, select a different aspect ratio.
Colors of the overall image	•	When a component signal is being input, is the color space setting proper?	E-46
are strange	•	For a composite input, is the hue properly adjusted?	E-43
Characters flicker or colors	•	From the menu, select “Picture” and adjust the clock frequency and phase.	E-43, 44
are offset for analog RGB
inputs
Cannot select the menu	•	Other than [Settings] and [Information], selection will not be possible unless	–
name		a signal is being input to the projector and the image/picture is projected.
The item name “Start Logo	•	Selection is not possible unless a signal is being input.	–
Capture” of the sub menu
cannot be selected
Remote control unit does	•	Are the remote control unit’s batteries worn? Replace with new batteries.	E-12
not operate	•	Is there an obstacle between the remote control unit and the projector’s	E-12
		remote control signal sensor?
	•	Is the remote control unit outside of range?	E-12
	•	Are you pointing the remote control unit’s transmitter towards the projector’s	E-12
		remote control signal sensor?
STATUS indicator is lit red	•	See “When an indicator is lit or flashing”.	E-70
or flashing red
“Viewer System Error” is	•	The viewer system is being restarted because of an internal processing er-	–
displayed		ror.

Applicable Projector: U4-136	Repeated display of this message could indicate a product fault. Please con-
	tact your store of purchase.

E-71