Troubleshooting, Broadcast system, Symptom and solution – Toshiba 32WL68A User Manual

Page 29

Advertising
background image

29

Reference section

Troubleshooting

Before calling a service technician, please check the following
table for a possible cause of the symptom and some solutions.

Symptom and solution

TV will not turn on

• Make sure the power cord is plugged in, then press !

and 1.

• The remote control batteries may be dead. Replace the

batteries.

No picture, no sound

• Check the antenna connections.

No sound, picture OK

• The sound may be muted. Press Y, y or u.
• The station may have broadcast difficulties. Try another

channel.

• Check that the Speaker function in SOUND menu is

properly set.

Poor sound, picture OK

• The station may have broadcast difficulties. Try another

channel.

Poor picture, sound OK

• Check the antenna connections.
• The station may have broadcast difficulties. Try another

channel.

• Adjust the PICTURE menu.

Poor reception of broadcast channels

• Check the antenna connections.
• The station may have broadcast difficulties. Try another

channel.

• Make sure the Color system is properly set.

Teletext problems

• Check the antenna connections.

Good performance of text depends on a good strong
broadcast signal.

Some pixels of the screen do not light up

• The LCD display panel is manufactured using an

extremely high level of precision technology, however,
sometimes some pixels of the screen may be missing
picture elements or have luminous spots. This is not a sign
of a malfunction.

The brightness of the screen comes down, or flickers
of the screen are caused, or some parts of the screen
do not light up.

• When you just buy and start to use this TV, a flickering

may be caused in the screen. In this case, switch off the
TV, then switch on it again to cure the condition.

• The cold cathode fluorescent lamp used for the back light

on this TV has longevity. When the brightness of the
screen comes down, or the flickers of the screen are
caused, or some parts of the screen do not light up, it may
reach the end of its life. Contact a service technician.

The picture brightness varies when you display
switch the TV on.

• If you switch the TV on at 0°C and under, wait until the

warms up.

Multiple images

• The station may have broadcast difficulties. Try another

channel.

• Antenna reception may be poor. Use a high directional

outdoor antenna.

• Check if the direction of the antenna has changed.

Poor color or no color

• The station may have broadcast difficulties. Try another

channel.

• Adjust the Tint and/or Color in the PICTURE menu.

The remote control does not operate

• Remove all obstructions between the remote control and

the remote control sensor on the TV.

• The remote control batteries may be dead. Replace them

with new ones.

• Check that the TV/STB/DVD switch on the remote

control is properly set.

Broadcast system

Broadcast transmission systems of each
country or region

Asia M.E.

Oceania

Africa

South America

Note:
PAL, SECAM and NTSC 3.58 (MHz) are different color signal
broadcast transmission systems applicable to different
countries or region. NTSC 4.43 (MHz) is used in special VCRs
to playback NTSC recorded video tapes through PAL
television equipment.

Country or region

Color

Sound

Bahrain, Kuwait, Israel, Oman,
Qatar, United Arab Emirates,
Yemen, etc. Indonesia, Malaysia,
Singapore, Thailand, etc.

PAL

B/G

China

PAL

D/K

China Hong Kong

PAL

I

Iraq, Islamic Republic of Iran,
Lebanon, Saudi Arabia, etc.

SECAM

B/G

Russian Federation, etc.

SECAM

D/K

Myanmar, etc.

NTSC

M

Country or region

Color

Sound

Australia, New Zealand, etc.

PAL

B/G

Country or region

Color

Sound

Republic of South Africa, etc.

PAL

I

Country or region

Color

Sound

Argentina, Paraguay, Uruguay, etc.

PAL

N

Brazil

PAL

M

Chile, Colombia, etc.

NTSC

M

Advertising
This manual is related to the following products: