Toshiba Journe M400 User Manual page 33

Video is good, but no audio.
Possible cause
The volume is too low.
The earphones are connected. Remove the earphones.
Audio is good, but no video.
Possible cause
The signal quality of some TV
channels is poor.
The "Auto Search" process takes a long time to
complete.
Possible cause
The signal quality is poor.
User's Manual
Solution
Tap to increase the
volume.
Solution
Adjust the orientation of the
built-in antenna or change the
position of this unit to obtain
better signal reception. Use a
signal booster if necessary.
Solution
Adjust the orientation of the
built-in antenna or change the
position of this unit to obtain
better signal reception. Use a
signal booster if necessary.
EN-33