Panasonic SC-ST1 Operating Instructions Manual page 37

Sound
No sound.
Distorted sound.
Humming heard during play.
Picture
Picture distorted.
No picture.
The picture shown on the
television is not normal.
(The sides of the picture are cut
off, the picture is stretched
horizontally, or black bands
appear at the top and bottom of
the screen.)
There is ghosting when
progressive output is on.
Picture quality is poor.
The picture on the television
disappears or stripes appear on
the screen.
Menus not displayed correctly.
Listening to the radio
Noise is heard.
"ST" flickers or doesn't light.
Sound is distorted.
A beat sound is heard.
A low hum is heard during AM
broadcasts.
¡Check the connections.
¡Turn the volume up.
¡Turn muting off.
¡Switch off the unit, determine and correct the cause, then switch the unit on.
Causes include:
–Shorting (bare wires touching) of positive and negative speaker wires.
–Straining of the speakers through excessive volume or power.
–Using the unit in a hot environment without proper ventilation.
¡An AC power supply cord or fluorescent light is near the subwoofer. Keep other
appliances and cords away from the subwoofer.
¡Some distortion is normal during SEARCH.
¡Check the connection.
¡Make sure the television is on.
¡Ensure the television's video input setting (e.g., VIDEO 1) is correct.
¡Go to Video in the SETUP menus, and change "TV Aspect" to suit your television.
¡Use the television to change the aspect to the correct one.
If your television cannot change the aspect when input is progressive, try changing
4:3 Aspect with the on-screen menu icons.
¡Ensure that the unit is connected directly to the television, and is not connected through a
video cassette recorder.
¡Connect to the component video (480P) input terminals on a television compatible with
this unit's copy guard system. You cannot view progressive video if your television is not
compatible.
¡Change the size with the variable zoom function.
¡The images on PAL system DVD-Audio are compressed for display. They may also
appear vertically stretched.
¡Press [PROGRESSIVE OUT] so the indicator goes out. This problem is caused by the
editing method or material used on DVD-Video, but should be corrected if you use
interlace output.
¡Check the settings in the On-Screen Menu Icons' Picture Menu.
¡The "U1" settings do not work on the images from PAL system DVD-Audio.
¡Mobile telephone chargers can cause some disturbance.
¡The location and orientation of the antenna are incorrect. If you are using an indoor
antenna, change to an outdoor antenna.
¡The television antenna wire is too close to the unit. Separate the antenna wire of the
television from the unit.
¡Change the zoom ratio to " 1.00".
¡With the on-screen menu icons, change "Subtitle Position" to "0" or change "4:3 Aspect"
to "Normal".
¡Adjust the position of the FM or AM antenna.
¡Turn the television off or separate it from the unit.
¡Use an outdoor antenna.
¡Turn the television off or separate it from the unit.
¡Separate the antenna from other cables and cords.
¡Turn the television off or separate it from the unit.
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