5

Troubleshooting

44 Troubleshooting

Picture

Symptom

Cause & Solution

 

 

There is no picture.

yy Select the appropriate video input mode on the TV so the picture

 

from the unit appears on the TV screen.

 

yy Connect the video connection securely.

 

yy Check the [HDMI Color Setting] in the [Setup] menu is set to the

 

appropriate item that conforms to your video connection.

 

yy Your TV may not suppot the resolution you have set on the unit.

 

Change the resolution that your TV accepts.

 

yy The unit’s HDMI OUT jack is connected to a DVI device that does not

 

support copyright protection.

 

 

Picture noise appears

yy You are playing a disc recorded in a colour system that is different

 

from your TV.

 

yy Set the resolution which your TV accepts.

 

 

Sound

Symptom

Cause & Solution

 

 

There is no sound or the

yy Connect the audio connection securely.

sound is distorted.

yy The input source setting on the amplifier or the connection to the

 

 

amplifier is incorrect.

 

yy The unit is in scan, slow motion, or pause mode.

 

yy The sound volume is low.

 

yy Check that the connected amplifier is compatible with audio format

 

output from the unit.

 

yy The unit’s HDMI OUT jack is connected to a DVI device. The DVI jack

 

does not accept audio signal.

 

yy Check the device connected to unit’s HDMI OUT jack is compatible

 

with audio format output from the unit.

 

 

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LG Electronics BD640 owner manual Picture, Sound