During normal broadcast (vhf/uhf) – Panasonic CT-30WX50 User Manual

Page 67

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During normal broadcast (VHF/UHF)

Symptoms

Checks

Page

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.

17

Remote control does not

function

Are the batteries dead or inserted incorrectly?
Is the remote control sensor in direct light of florescent lamps or other

strong sources of light?

7

Image shakes
Image is not clear

Color patches or no color

Is the antenna or antenna cable old, broken or shorted?
• Is the antenna cable connected properly?
• When using a VCR and selecting channels on the TV, is the TVA/IDEO

mode for the VCR set to TV?

8, 9, 10

Image appears doubled or

tripled.

• Is the antenna facing the right direction?
Is the antenna receiving any signals reflected off mountains or buildings.

-

Spots appear in images,

images shake, or color patches

appear in the four corners.

Is the TV being affected by geomagnetism or other interference

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

in a dark room, the outer edges

of

the

s c r e e n

s p a r k

momentarily.

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

components spark, (created by high voltage) when the TV set is turned
on. This is not a malfunction.

-

Unclear or overly bright colors

on parts of the screen

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

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
screen, columns and frames
appear curved.

Receiving broadcast or changes in brightness on the screen can cause

curves on the screen.

-

A black stripe appears for a

moment

when

changing

channels using the VCR.

The image distorts when channels are changed.

During

Panasonic

AUTO

m o d e , t h e s c r e e n s i z e

sometimes changes.

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

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

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

zoom.

22,23

Images disappear at the top

and bottom of the screen

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

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

-

During ZOOM or JUST modes,

the image is cut off at the top
and bottom.

Has the screen position been changed?

If so, adjust screen positioning.

32

A clicking and buzzing sound

is made when the TV is turned

on.

This is the sound of the Geomagnetic correction function creating a

beautiful color picture. This is not a malfunction.

57

67

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