Troubleshooting - Panasonic PT-50LC13 Operating Instructions Manual

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? 22-23
Lamp does not light up. If the Lamp will not light after turning on the power 2 or 3 times, the
Lamp may be damaged. Please consult your nearest dealer.
The power turns
OFF
The POWER indicator
hashes orange twice
every 5 seconds.
The TEMP indicator
hashes 2 or 4 times
every 5 seconds.
The TEMP indicator
hashes 5 times every 5
seconds.
Power turns off while
another indicator is
hashing.
Remote control does not function
lmageshakes
Image is not clear
Color patches or no color
Image appears doubled or tripled.
The lamp cover is ajar. Firmly replace the cover.
Check whether or not the vents are clogged.
Is the set being used in a location that is hot?
Please consult your nearest dealer.
Please consult your nearest dealer.
Are the batteries dead or inserted incorrectly?
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?
Is the antenna or antenna cable old, broken or shorted?
Is the antenna cable connected properly?
Sudden changes in ambient temperature may cause condensation
in the internal optics. Condensation should disappear after Power
has been ON for a while.
When using a VCR and selecting channels on the TV. is the
TVNIDEO mode for the VCR set to TV?
Is the antenna facing the right direction?
Is the antenna receiving any signals reflected off of mountains or
buildings,
When using 16:9 image software, there is no picture at the top and
bottom of the screen (cinema vision size software, etc,),
Has the screen position been changed? If so, adjust screen
positioning,
69
12-14
Images disappear at the top and bottom of
the screen
During ZOOM modes, the image is cut off at 32-33,
the top and bottom. 42-43
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 23
OFE about 1 minute.
An OSD instructing to replace the lamp is
displayed. (The LAMP indicator is lit red.) Replace lamp with a new one. 68
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
_mages, web pages, or filler bars (used for This is a characteristic of the LCD panel and not a malfunction. Try
NORMAL aspect mode), on-screen for an displaying constantly moving pictures which fill the entire screen, or
extended period of time can leave ghost turn the power OFF for a while to return the screen to normal.
_mages on the screen.
An OSD advising "AIR FILTER CLEANING..."
Please consult your nearest dealer.
is displayed.
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