Panasonic PT 56DLX75, PT 56DLX25 manual Troubleshooting, Off

Troubleshooting

Before you call for service, determine the symptoms and make a few simple checks as shown below.

	Symptoms		Checks	Page
Power does not turn ON.			• Is the power cord plugged in?	24
			• The lamp cover is ajar. Firmly replace the cover.
No picture even if the power is turned ON.			• Please replace lamp with a new one. Please consult your nearest	66-67
LAMP indicator blinks red.			dealer, if not still repaired.
		The TEMP indicator	• Check whether or not the vents are clogged.	65
The power turns		flashes red.	• Is the set being used in a location that is hot?	65
		Power turns off while
OFF.			• Please consult your nearest dealer.	65
		another indicator is
		flashing.
			• Are the batteries dead or inserted incorrectly?	7
Remote Control does not function.			• Is the Remote Control sensor in direct light of fluorescent lamps or	10
			other strong sources of light?
			• Did you correctly set the Remote Control code?	58-64
Image shakes.			• Is the antenna or antenna cable old, broken or shorted?	-
			• Is the antenna cable connected properly?	12-14
			• A sudden temperature change may have caused condensation in the
			internal optics which results in blurring or vertical lines. Please wait	-
Image is not clear.			until room temperature is normal and constant before turning power
(blurring / vertical lines)			ON. These symptoms will clear up as time passes.
			• Depending on the connected device, a 1080i input signal may cause
			the picture to flicker. If the connected device has a format selection	-
			switch, set the format to 720p.
Color patches or no color.			• When using a VCR and selecting channels on the TV, is the TV/	-
			VIDEO mode for the VCR set to TV?
			• Is the antenna facing the right direction?	-
Image appears doubled or tripled.			• Is the antenna receiving any signals reflected off of mountains or	-
			buildings.
Images disappear at the top and bottom of			• When using 16:9 image software, there is no picture at the top and	-
the screen.			bottom of the screen (cinema vision size software, etc.).
During ZOOM modes, the image is cut off at			Please adjust the V-Size. This is not a malfunction.	57
the top and bottom.
The Projection Display set makes a high			• This is the sound of the internal starting UP. This is not a malfunction.	-
whistling sound when the power is ON.
Some parts of the screen are always lit
while others do not light up.			• This is a characteristic of the DMD and not a malfunction.	-
Some parts of the screen do not light up.
Fan is operating even though TV Power is			• This is because the cooling fan is operating. The fan will stop after	24
OFF.			about 1 minute.
An OSD instructing to replace the lamp is			• Replace lamp with a new one.	66-67
displayed. (The LAMP indicator is lit red.)
Relighting the lamp when it is hot makes a			• This is a characteristic of the lamp and not a malfunction.	-
sound.
When viewing with HDMI connection,
picture is displayed with unnatural colors (as			• Change “Color Corr.” from “Off” to “On”.	41
if red and blue are reversed).

68 For assistance, please call : 1-888-VIEW PTV(843-9788) or, contact us via the web at: http://www.panasonic.com/contactinfo