Panasonic PT-56LCX16 - Manual (Page 66)

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66
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 cord plugged in?
• The lamp cover is ajar. Firmly replace the cover.
24
Remote Control/ Unit buttons do not
function.
Power does not turn ON or OFF.
Image is distorted. Image freezes.
• 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 On and operate unit normally.
If the steps above do not restore normal operation, disconnect then
reconnect the AC plug and turn the power On.
-
No picture even if the power is turned ON.
LAMP indicator blinks red. • Please replace lamp with a new one. Please consult your nearest
dealer, if problem persists.
64-65
The power
turns OFF.
The TEMP indicator flashes
red. • Check whether or not the vents are clogged. 63
• Is the set being used in a location that is hot? 63
Power turns off while
another indicator is flashing.
• Please consult your nearest dealer. 63
Remote Control does not function.
• Are the batteries dead or inserted incorrectly? 7
• Is the Remote Control sensor in direct fluorescent lamp light or other
strong sources of light?
10
• Did you correctly set the Remote Control code? 58-62
Image shakes. • Is the antenna or antenna cable old, broken, or shorted out? -
Image is not clear.
(blurring / vertical lines)
• Is the antenna cable connected properly? 12-13
• A sudden temperature change may have caused condensation in the
internal optics which results in blurring or vertical lines. Please wait
until room temperature is normal and constant before turning power
ON. These symptoms 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 screen. • When using 16:9 image software (cinema vision size software, etc.),
there is no picture at the top and bottom of the screen.
-
During ZOOM modes, the image is cut off at
the top and bottom.
• Please adjust the V-Size. This is not a malfunction. 36, 38
The Projection Display set makes a high
whistling sound when the power is ON.
• This is the sound of the internal Starting UP. This is not a malfunction. -
Some parts of the screen are always lit while
others do not light up.
Some parts of the screen do not light up.
• This is a characteristic of the LCD panel and not a malfunction. -
Fan is operating even though TV Power is
OFF. • This is because the cooling fan is operating. The fan will stop after
about 1 minute.
24
An OSD instructing to replace the lamp is
displayed. (The LAMP indicator is lit red.)
• Replace lamp with a new one. 64-65
Relighting the lamp when it is hot makes a
sound.
• This is a characteristic of the lamp and not a malfunction. -