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 indicator

 

 

 

 

flashes orange twice

The lamp cover is ajar. Firmly replace the cover.

-

 

every 5 seconds.

 

 

 

 

The TEMP indicator

Check whether or not the vents are clogged.

-

 

flashes 2 or 4 times

Is the set being used in a location that is hot?

-

The power turns

every 5 seconds.

 

 

 

OFF

The TEMP indicator

 

 

 

 

flashes 5 times every 5

Please consult your nearest dealer.

-

 

seconds.

 

 

 

 

Power turns off while

 

 

 

 

another indicator is

Please consult your nearest dealer.

-

 

flashing.

 

 

 

 

 

Are the batteries dead or inserted incorrectly?

7

Remote control does not function

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?

69

Image shakes

 

Is the antenna or antenna cable old, broken or shorted?

-

 

 

Is the antenna cable connected properly?

12-14

Image is not clear

 

Sudden changes in ambient temperature may cause condensation

 

 

 

in the internal optics. Condensation should disappear after Power

-

 

 

 

 

 

 

has been ON for a while.

 

 

 

 

 

 

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

When using 16:9 image software, there is no picture at the top and

-

the screen

 

 

bottom of the screen (cinema vision size software, etc.).

 

 

 

During ZOOM modes, the image is cut off at

Has the screen position been changed? If so, adjust screen

32-33,

the top and bottom.

 

 

positioning.

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

OFF.

 

 

about 1 minute.

 

 

 

An OSD instructing to replace the lamp is

Replace lamp with a new one.

68

displayed. (The LAMP indicator is lit red.)

 

 

 

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

 

 

 

images, 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.

 

images on the screen.

 

 

 

An OSD advising “AIR FILTER CLEANING...”

Please consult your nearest dealer.

-

is displayed.

 

 

 

 

 

 

 

 

 

76

For assistance, please call : 1-888-VIEW PTV(843-9788)

 

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Panasonic PT-50LC13, Multimedia Projection Display operating instructions Troubleshooting, Symptoms Checks