Panasonic PT-50LCZ70 operating instructions Troubleshooting, Off

Troubleshooting

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

	Problem	Possible solution	Page
Power does not turn ON.		• Is the power cord plugged in?	24
Remote Control/ Unit buttons do not function.		• Press unit POWER button down over 7 seconds. The POWER indicator goes
		out. If the Power was On, the screen will also disappear. After 5 seconds, turn
Power does not turn ON or OFF.			-
		Power On and operate unit normally. If the steps above do not restore normal
Image is distorted. Image freezes.
		operation, disconnect then reconnect the AC plug and turn the power On.
The power	Power turns off while another	• Please consult your nearest dealer.	61
turns OFF.	indicator is flashing.
		• Are the batteries dead or inserted incorrectly?	7
Remote Control does not function.		• Is the Remote Control sensor in direct fluorescent lamp light or other strong	10
		sources of light?
Image shakes.		• Is the antenna or antenna cable old, broken, or shorted out?	-
		• Is the antenna cable connected properly?	12-17
		• A sudden temperature change may have caused condensation in the internal
Image is not clear.		optics which results in blurring or vertical lines. Please wait until room	-
		temperature is normal and constant before turning power ON. These symptoms
(blurring / vertical lines)		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?
Image appears doubled or tripled.		• Is the antenna facing the right direction?	-
		• Is the antenna receiving any signals reflected off of mountains or buildings?	-
Images disappear at the top and bottom of the		• When using 16:9 image software (cinema vision size software, etc.), there is no	-
screen.		picture at the top and bottom of the screen.
During ZOOM modes, the image is cut off at		• Please adjust the V-Size. This is not a mulfunction.	33, 36
the top and bottom.
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 about	24
OFF.		3 minutes.
Leaving stationary images, such as still video
images, web pages, or filler bars (used for		• This is a characteristic of the LCD panel and not a malfunction. Try displaying
NORMAL aspect mode), on-screen for an		constantly moving pictures which fill the entire screen, or turn the power OFF	-
extended period of time can leave ghost		for a while to return the screen to normal.
images on the screen.
		• Is the HDMI cable connected properly?	12, 14-
Pictures from equipment are unusual when the			18, 21-22
equipment is connected via HDMI.		• Turn Off the TV unit and device, then turn them On again.	-
		• Check the input signal from the equipment.	29
		• Is “Sound Mute” active?	30
		• Is the volume set to the minimum?	29
		• Is “Speaker output” set to “Off”?	39
No sound is produced.		• Change “SAP” settings.	32
		• Check “HDMI 1 in”, “HDMI 2 in” or “HDMI 3 in” insettings when the equipment is	39
		connected via HDMI.
		• If digital sound connection has problem, select analog sound connection.	21-23, 39

62