Troubleshooting - Panasonic PT-50LC13K Operating Instructions Manual

Troubleshooting

Before you call for service, determine the symptoms and make a few simple checks as
shown below.
Symptoms
Power does not turn ON.
No picture. (Lamp does not light up.)
The POWER indicator
fl ashes orange twice
every 5 seconds.
The TEMP indicator
fl ashes 2 or 4 times
The power turns every 5 seconds.
OFF. The TEMP indicator
fl ashes 5 times every 5
seconds.
Power turns off while
another indicator is
fl ashing.
Remote control does not function.
Image shakes.
Image is not clear.
Color patches or no color.
Image appears doubled or tripled.
Images disappear at the top and bottom of
the screen.
During ZOOM modes, the image is cut off at
the top and bottom.
Some parts of the screen are always lit while
others do not light up.
Some parts of the screen do not light up.
Fan is operating even though TV Power is
OFF.
An OSD instructing to replace the lamp is
displayed. (The LAMP indicator is lit red.)
Relighting the lamp when it is hot makes a
sound.
Leaving stationary images, such as still video
images, web pages, or fi ller bars (used for
NORMAL aspect mode), on-screen for an
extended period of time can leave ghost
images on the screen.
An OSD advising "AIR FILTER CLEANING..."
is displayed.
80
Checks
• Is the power plug plugged in?
• 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 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 fl uorescent 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
TV/VIDEO mode for the VCR set to TV?
• Is the antenna facing the right direction?
• Is the antenna receiving any signals refl ected 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.
• This is a characteristic of the LCD panel and not a malfunction.
• This is because the cooling fan is operating. The fan will stop after
about 1 minute.
• Replace lamp with a new one.
• This is a characteristic of the lamp and not a malfunction.
• This is a characteristic of the LCD panel and not a malfunction. Try
displaying constantly moving pictures which fi ll the entire screen, or
turn the power OFF for a while to return the screen to normal.
• Please consult your nearest dealer.
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