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.

Country or region

Color

Sound

Bahrain, Kuwait, Israel, Oman,

PAL

B/G

Qatar, United Arab Emirates,

 

 

Yemen, etc. Indonesia, Malaysia,

 

 

Singapore, Thailand, etc.

 

 

China

PAL

D/K

 

 

 

China Hong Kong

PAL

I

 

 

 

Iraq, Islamic Republic of Iran,

SECAM

B/G

Lebanon, Saudi Arabia, etc.

 

 

Russian Federation, etc.

SECAM

D/K

 

 

 

Myanmar, etc.

NTSC

M

 

 

 

Oceania

 

 

Country or region

Color

Sound

Australia, New Zealand, etc.

PAL

B/G

 

 

 

Africa

 

 

 

 

 

Country or region

Color

Sound

Republic of South Africa, etc.

PAL

I

 

 

 

South America

 

 

 

 

 

Country or region

Color

Sound

Argentina, Paraguay, Uruguay, etc.

PAL

N

 

 

 

Brazil

PAL

M

 

 

 

Chile, Colombia, etc.

NTSC

M

 

 

 

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.

29

Page 29
Image 29
Toshiba 42WL68A, 42WL68E, 42WL68T owner manual Reference section, Troubleshooting, Broadcast system, Symptom and solution

42WL68A, 42WL68T, 42WL68E specifications

The Toshiba 42WL68 series comprises three notable models: the 42WL68E, 42WL68T, and 42WL68A. These models have garnered attention for their impressive array of features and technologies, designed to deliver an outstanding viewing experience.

One of the key characteristics of the Toshiba 42WL68 series is its 42-inch LCD panel, which provides vibrant colors and ample screen real estate, making it ideal for home entertainment setups. With a native resolution of 1920x1080 pixels, these models support full HD content, ensuring sharp and clear images whether viewing movies, playing video games, or watching television shows. The Dynamic Contrast Ratio enhances picture quality by adjusting the light output in dark and bright scenes, resulting in richer blacks and brighter whites.

The 42WL68 series utilizes advanced LCD technology, including a wide viewing angle that allows viewers to enjoy consistent picture quality from various positions in the room. This is particularly beneficial for larger spaces where audience members may be seated at different angles. Additionally, Toshiba's proprietary picture enhancement technologies further optimize image quality, minimizing blur and ensuring that fast-moving action scenes remain clear and vibrant.

Connectivity options are another highlight of the Toshiba 42WL68E, 42WL68T, and 42WL68A models. They come equipped with multiple HDMI ports, allowing users to connect various devices such as Blu-ray players, gaming consoles, and streaming devices. An integrated USB port provides the convenience of multimedia playback directly from USB drives, enabling users to easily access photos, videos, and music.

Moreover, these Toshiba models feature a built-in digital tuner, which is essential for receiving over-the-air television broadcasts without the need for an additional set-top box. This is particularly advantageous for cord-cutters looking to simplify their entertainment setups.

Sound quality is also a priority within the Toshiba 42WL68 series, offering an integrated sound system that delivers clear audio to complement the stunning visuals. While external speakers may enhance the experience even further, the built-in audio capabilities are suitable for casual viewing.

Overall, the Toshiba 42WL68E, 42WL68T, and 42WL68A models stand out for their combination of stunning visuals, robust connectivity options, and reliable performance, making them a solid choice for anyone seeking a mid-sized LCD television for home use. With these models, Toshiba continues to uphold its reputation for quality and innovation in the competitive television market.