Panasonic PT 52DL52 manual Troubleshooting Chart, Symptoms, Checks, Page

Troubleshooting Chart

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?		18
	• Is the Power Indicator blink Orange?		19
The power turns OFF	• Check whether or not the air vents are clogged.		–
(the Power LED blinks Orange	• The lamp may be malfunctioning. Please consult your nearest dealer.		–
and the TEMP LED and LAMP
LED lights up Red).
Remote control does not	• Are the batteries dead or inserted incorrectly?		6
function	• Is the remote control sensor in direct light of florescent lamps or other		–
	strong sources of light?
Image shakes	• Is the antenna or antenna cable old, broken or shorted?		–
Image is not clear	• Is the antenna cable connected properly?		8, 9
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	• Is the antenna facing the right direction?		–
tripled.	• Is the antenna receiving any signals reflected off of mountains or		–
	buildings?
A black stripe appears for a	• The image distorts when channels are changed.		–
moment when changing
channels using the VCR.
Images disappear at the top	• When using 16:9 image software, there is no picture at the top and		–
and bottom of the screen	bottom of the screen (cinema vision size software, etc.).
During ZOOM1, ZOOM2 or	• Has the screen position been changed?
JUST modes, the image is cut		If so, adjust screen positioning.	31
off at the top and bottom.
Channel number remains	• Press the RECALL button.		15
displayed.	During VIDEO input, channel number is displayed until an image is
	displayed.
The projection TV set makes a	• If there are no problems with image or sound, it is the sound of the		–
cracking sound	cabinet shrinking due to room temperature changes. This is not a
	malfunction.
The projection TV set makes a	• This is the sound of the internal DLPTM starting UP. This is not a
high whistling sound when the	malfunction.		–
power is ON.
Some parts of the screen do	• DLPTM is manufactured using an extremely high level of precision		–
not light up.	technology, however sometimes some parts of the screen may be
	missing picture elements. This is not a sign of a malfunction.

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