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7
Troubleshooting and Maintenance
7.1
Troubleshooting
◆
The product does not operate properly.
Symptom
Check points and Countermeasures
The remote control
does not work properly.
Check if there is an obstacle between the remote control and the
receiver, preventing infrared rays from reaching.
Operate the remote control toward the receiver.
Check that the batteries of the remote control are inserted in the
correct direction with the (+) and (-) terminals properly aligned.
Check that the batteries in the remote control are full.
The product
automatically shuts
down.
Check if the auto shutdown function in “no signal” state is working.
Check if there is a power failure.
◆
The image of the input source cannot be output correctly.
Symptom
Check points and Countermeasures
The image is not
displayed correctly.
Check that the cables are connected correctly.
Check that the connected cable and the input source setting of the
product match.
Check if the connected cables are broken or disconnected.
Vertical stripes and lines
appear in the
background.
Check that the cables are connected correctly.
Check if the connected cables are broken or disconnected.
Check if there are other electronic devices or appliances near the
product.
●
Radio waves may be affected by other devices.
Move the product away from other equipment or change its
position.
Image has no colors or
colors are incorrect.
Check that the cables are connected correctly.
Adjust "Contrast", "Brightness", and "Color Tone" in "Video
Quality" settings menu.
There is a distortion in
the image.
Check that the cables are connected correctly.
Check if the connected cables are broken or disconnected.
