Panasonic PT-50LC14, PT-43LC14, PT-60LC14 manual Troubleshooting, Symptoms, Checks, Page

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 plug plugged in?	22
No picture even if the power is turned ON.		•	Please replace lamp with a new one. Please consult your nearest	73-74
LAMP indicator blinks red.			dealer, if not still repaired.
	The POWER indicator
	flashes orange twice	•	The lamp cover is ajar. Firmly replace the cover.	74
	every 5 seconds.
	The TEMP indicator	•	Check whether or not the vents are clogged.	74
	flashes 2 or 4 times	•	Is the set being used in a location that is hot?	74
The power turns	every 5 seconds.
OFF.	The TEMP indicator
	flashes 5 times every	•	Please consult your nearest dealer.	74
	5 seconds.
	Power turns off while
	another indicator is	•	Please consult your nearest dealer.	74
	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	-
			other strong sources of light?
		•	Did you correctly set the remote control code?	75
Image shakes.		•	Is the antenna or antenna cable old, broken or shorted?	-
		•	Is the antenna cable connected properly?	12-14
Image is not clear.		•	Sudden changes in ambient temperature may cause condensation
			in the internal optics. Condensation should disappear after Power	-
			has been ON for a while.
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		•	Has the screen position been changed? If so, adjust screen	32-33,
the top and bottom.			positioning.	40-41
Some parts of the screen are always lit while
others do not light up.		•	This is a characteristic of the LCD panel 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	22
OFF.			about 1 minute.
An OSD instructing to replace the lamp is		•	Replace lamp with a new one.	73-74
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.
Leaving stationary images, such as still
video images, web pages, or filler bars (used		•	This is a characteristic of the LCD panel and not a malfunction. Try
for NORMAL aspect mode), on-screen for			displaying constantly moving pictures which fill the entire screen, or	-
an extended period of time can leave ghost			turn the power OFF for a while to return the screen to normal.
images on the screen.
An OSD advising “AIR FILTER CLEANING...”		•	Please consult your nearest dealer.	-
is displayed.
When a bright picture is displayed, stain-like		•	This can occur if the ambient temperature changes suddenly. Try	-
blotches appear.			gently rubbing the stained areas with a soft cloth.

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