Appendix

Troubleshooting

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

Appendix

Problem

TV will not turn on

No picture, no sound

No sound, picture OK

Poor sound, picture OK

Poor picture, sound OK

Poor reception of broadcast channels

Cannot receive above channel 13

Unable to select a certain channel

Cannot access signal input sources (Video1, Video2, Video3 and ColorStream) and/or Channels 3 and 4

Multiple images

Poor color or no color

Black box on screen

No stereo or SAP sound from a known MTS broadcast

The V-Chip PIN code does not work (U.S. V-Chip system only)

The remote control does not operate

Solution

Make sure the power cord is plugged in, then press POWER.

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

Check the antenna/cable connections.

This TV will not accept or display 480p or 720p progressive scan signals or 1080i interlaced high-definition signals through its ColorStream inputs. Switch the other device’s output to 480i interlaced mode first (see page 9).

The sound may be muted. Press VOLUME.

The station may have broadcast difficulties. Try another channel.

The MTS feature may be in SAP mode. Press the MTS button on the remote control until STEREO (or MONO) mode is active.

The station may have broadcast difficulties. Try another channel.

The MTS feature may be in SAP mode. Press the MTS button on the remote control until STEREO (or MONO) mode is active.

Check the antenna connections.

The station may have broadcast difficulties. Try another channel.

Adjust the PICTURE menu.

This TV will not accept or display 480p or 720p progressive scan signals or 1080i interlaced high-definition signals through its ColorStream inputs. Switch the other device’s output to 480i interlaced mode first (see page 9).

The station may have broadcast difficulties. Try another channel.

Check the antenna connections.

If you are using a VCR, make sure the TV/VCR button is set correctly.

Make sure TV/CABLE is set to CABLE mode.

The channel may be blocked by the V-Chip feature or CH LOCK feature, or erased with the add/erase feature.

Check the VIDEO LOCK feature.

The station may have broadcast difficulties. Try another channel.

Use a highly directional outdoor antenna.

The station may have broadcast difficulties. Try another channel.

Adjust the TINT and/or COLOR in the PICTURE menu.

If you change the direction of the TV while it is turned on, the picture could suffer from color shading. If so, turn off the TV and allow it to cool for several hours before turning it on again.

Repeatedly press CAP/TEXT to turn off the Closed Caption Text mode.

Make sure the MTS feature is set properly.

Change or reset your PIN code (pages 18 and 19).

Make sure the TV/VCR/DVD/CABLE mode is set properly.

Remove all obstructions between the remote control and the TV.

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

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Toshiba 20AF44 appendix Troubleshooting, Problem, Solution