Toshiba 42XV550A_560A, 46XV550A_560A Reference section, Troubleshooting, Symptom and solution

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, and then press ! or 1.

•The remote control batteries may be dead. Replace the batteries.

No picture, no sound

• Check the aerial connections.

No sound, picture OK

•The sound may be muted. Press 2+, 2– or U.

•The station may have broadcast difficulties. Try another channel.

Poor sound, picture OK

•The station may have broadcast difficulties. Try another channel.

Poor picture, sound OK

•Check the aerial connections.

•The station may have broadcast difficulties. Try another channel.

•Adjust the PICTURE menu.

Poor reception of broadcast channels

•Check the aerial connections.

•The station may have broadcast difficulties. Try another channel.

•Make sure the Colour system is properly set.

Teletext problems

•Check the aerial connections.

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

Multiple images

•The station may have broadcast difficulties. Try another channel.

•Aerial reception may be poor. Use a high directional outdoor aerial.

•Check if the direction of the aerial has changed.

Poor colour or no colour

•The station may have broadcast difficulties. Try another channel.

•Adjust the Tint and/or Colour 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/REGZA-LINK/DVD switch on the remote control is properly set.

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 malfunction.

The picture brightness varies when you switch the TV on.

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

The screen’s brightness decreases, flicker occurs, or some parts of the screen do not light up.

•When first start to use this TV, flickering may occur on the screen. In this case, switch off the TV, and then switch on it again to resolve this issue.

•The cold cathode fluorescent lamp used for the back light on this TV has a certain lifespan. When the brightness of the screen decreases, flickers on the screen occur, or some parts of the screen do not light up, it may have reached the end of its life. Contact a service technician.

No REGZA-LINK operation

•The REGZA-LINK feature is available for Toshiba REGZA-LINK compatible devices.

•Make sure HDMI cables with the HDMI logo are used.

•When connected REGZA-LINK device does not work correctly after you have changed device settings, turn off your TV and unplug the power cord. Then plug in and turn on again.

•If several devices are connected, the REGZA-LINK feature may not operate properly.

•Read the owner’s manual furnished with the connected REGZA-LINK device.

Symptom and solution - digital only -

Poor picture

•Check the aerial connections. Make sure it is aligned to the correct broadcast direction.

•Check the signal level and quality in the DTV Manual Tuning menu.

•If you use any kind of amplifier to boost the signal level, check whether it is working correctly, and ask for help from the aerial installer.

No picture

•Use the DTV Manual Tuning menu to rescan this channel.

•Try another channel.

•Reduce RF amplifier gain if connected to RF booster.

No sound from DIGITAL AUDIO

•The sound may be muted. Press 2 +, 2 - or U.

•Use the DTV Manual Tuning menu to rescan this channel.

•Try another channel.

Not all channels are available after Auto Tuning when tuning the TV for the first time.

•This symptom is caused by unexpected frequency offset.

•Use the DTV Manual Tuning menu to scan for the missing channels. Once the TV picks up the signal, all the transmission parameters will be stored in internal memory.

Cannot lock signal when using Manual Tuning

• Refer to the solutions for “Poor picture”.

No Teletext, no Subtitles

•Make sure the channel that you are watching carries Teletext/Subtitles information by checking the on-screen information.

Cannot receive channels after moving the TV between cities (e.g. from Melbourne to Sydney)

• Refer to page 12 to reset data.

Programme Timer does not operate properly.

•Check the aerial connections.

•Weak signal may cause inaccurate time information.

Do not remember PIN

• Please contact your local dealer.

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