Philips BDL4681XU user manual Troubleshooting, Use the Zoom Mode or Custom

User Manual BDL4681XU

7.2.TROUBLESHOOTING

Symptom		Possible Cause	Remedy
No picture is displayed	1.	The power cord is disconnected.	1. Plug in the power cord.
	2.	The main power switch on the back of	2. Make sure the power switch is switched on.
		the monitor is not switched on.	3. Connect a signal connection to the monitor.
	3.	The selected input has no connection.
	4.	The monitor is in standby mode in VGA
		mode.
Interference displayed on	Caused by surrounding electrical		Move the monitor to another location to see
the monitor or audible	appliances, cars/motorcycles or fluorescent		is the interference is reduced.
noise is heard	lights.
Color is abnormal	The signal cable is not connected properly.		Make sure that the signal cable is attached
			firmly to the back of the monitor.
Picture is distorted with	1.	The signal cable is not connected	1. Make sure that the signal cable is attached
abnormal patterns		properly.	firmly.
	2.	The input signal is beyond the	2. Check the video signal source to see if it is
		capabilities of the monitor.	beyond the range of the monitor. Please
			verify its specifications with this monitor’s
			specification section.
Display image doesn’t fill up	The zoom mode is not correctly set.		Use the ZOOM MODE or CUSTOM
the full size of the screen			ZOOM function in the SCREEN menu to
			fine tune display geometry and time frequency
			parameter.
Can hear sound, but no	Improperly connected source signal cable.		Make sure that both video inputs and sound
picture			inputs are correctly connected.
Can see picture but no	1.	Improperly connected source signal	1. Make sure that both video inputs and sound
sound is heard		cable.	inputs are correctly connected.
	2.	Volume is turned all the way down.	2. Use VOL UP/VOL DOWN button to
	3.	MUTE is turned on.	hear sound.
	4.	No external speaker connected.	3. Switch MUTE off by using the MUTE
			button.
			4. Connect external speakers and adjust the
			volume to a suitable level.
Some picture elements do	Some pixels of the display may not turn on.		This monitor is manufactured using an
not light up			extremely high level of precision technology:
			however, sometimes some pixels of the
			monitor may not display. This is not a
			malfunction.
After-Images can still be	A still picture is displayed for an over		Do not allow a still image to be displayed for
seen on the monitor after	extended period of time		an extended period of time as this can cause a
the monitor is powered off.			permanent after-image to remain on the
(Examples of still pictures			monitor.
include logos, video games,
computer images, and
images displayed in 4:3
normal mode)

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