Panasonic CT 34WX50 manual Troubleshooting, During normal broadcast VHF/UHF

Models: CT 34WX50

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Troubleshooting

Troubleshooting

During normal broadcast (VHF/UHF)

 

Symptoms

 

 

 

Checks

 

 

 

 

Power does not turn ON

Is the power plug plugged in?

 

 

 

If the power does not turn on using the remote, check if the TV set is

 

 

 

turned on.

Remote

control does not

Are the batteries dead or inserted incorrectly?

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?

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 mountains or buildings.

 

 

 

 

Spots appear in images,

Is the TV being affected by geomagnetism or other interference

images shake, or color patches

(automobiles and trains, high voltage power lines, neon, motors,

appear in the four corners.

magnetic steel frames, steel windows, etc.)? Turn off the power for

 

 

 

approx. 20 min. and turn back on or change positioning of the TV set. If

 

 

 

this does not fix the problem, the TV needs magnetic shielding.

 

 

 

 

When the TV set is turned on

Due to the internal structure of the CRT set, some parts of the fluorescent

in a dark room, the outer edges

components spark, (created by high voltage) when the TV set is turned

o f t h e

s c r e e n

s p a r k

on. This is not a malfunction.

momentarily.

 

 

 

 

 

 

 

 

Unclear or overly bright colors

When white is displayed on a certain part of the screen for a while, the

on parts of the screen

 

white portion tends to tint with color. When the bright image disappears,

 

 

 

the screen will return to its normal color.

 

 

 

 

Left and right ends of the

Receiving broadcast or changes in brightness on the screen can cause

screen, columns and frames

curves on the screen.

appear curved.

 

 

 

 

 

 

 

 

A black stripe appears for a

The image distorts when channels are changed.

moment when changing

 

 

 

channels using the VCR.

 

 

 

 

 

 

 

 

 

During

Panasonic

AUTO

Depending on the program content, even when the screen is supposed

m o d e ,

t h e s c r e e n s i z e

to automatically zoom, if the beginning scene is dark, it may take a

sometimes changes.

 

while for it to zoom.

 

 

 

During a 4:3 screen, if the top and bottom of the image is dark, it may

 

 

 

zoom.

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 ZOOM or JUST modes,

Has the screen position been changed?

the image is cut off at the top

 

 

If so, adjust screen positioning.

 

 

and bottom.

 

 

 

 

 

 

 

 

A clicking and buzzing sound

This is the sound of the Geomagnetic correction function creating a

is made when the TV is turned

beautiful color picture. This is not a malfunction.

on.

 

 

 

 

 

 

 

 

 

 

 

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Page 70
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Panasonic CT 34WX50 manual Troubleshooting, During normal broadcast VHF/UHF