Philips BDL3231, BDL4231 user manual Troubleshooting, Symptom Possible Cause Remedy

User Manual BDL3231/BDL4231

8.2TROUBLESHOOTING

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 the	2. Make sure the power switch is switched on.
	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 the	Caused by surrounding electrical appliances,	Move the monitor to another location to see is the
monitor or audible noise is	cars/motor cycles or fluorescent lights.	interference is reduced.
heard
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 properly.	1. Make sure that the signal cable is attached firmly.
abnormal patterns	2. The input signal is beyond the capabilities of	2. Check the video signal source to see if it is beyond
	the monitor.	the range of the monitor. Please verify its
		specifications with this monitor’s specification
		section.
Display image doesn’t fill up	If under AV, CARD AV, or Component with	Select VIDEO ADJUSTMENT function in SETUP menu
the full size of the screen	480i input, the 4:3 wide mode is switched on.	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 inputs are
picture		correctly connected.
Can see picture but no sound	1. Improperly connected source signal cable.	1. Make sure that both video inputs and sound inputs
is heard	2. Volume is turned all the way down.	are correctly connected.
	3. MUTE is turned on.	2. Use VOL +/- button to hear sound.
	4. No external speaker connected, and	3. Switch MUTE off by using the MUTE button.
	speaker switch Int./Ext. is on the Ext.	4. Press speaker switch Int./Ext. to the right position
	position (Full position).	(Half position for Int.).
Some picture elements do	Some pixels of the display may not turn on.	This monitor is manufactured using an extremely high
not light up		level of precision technology: however, sometimes some
		pixels of the monitor may not display.
		This is not a malfunction. Please see the enclosed
		warranty card for more information.
After-Images can still be seen	A still picture is displayed for an over	Do not allow a still image to be displayed for an
on the monitor after the	extended period of time.	extended period of time as this can cause a permanent
monitor is powered off.		after-image to remain on the monitor.
(Examples of still pictures
include logos, video games,
computer images, and images
displayed in 4:3 normal mode)

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