Toshiba 23PU200 32PU200 40PU200 Series Troubleshooting Manual

Troubleshooting

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

TV will not turn on

• Make sure the power cord is plugged in, and then press .
• 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 − or
• 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 diffi culties. 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.

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.

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 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.
• 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 the batteries.