Sharp LL-B270 LL-B240 LL-B270 Operation Manual - Page 14

Troubleshooting

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Troubleshooting If you are experiencing any problem with your display, before requesting service, please review the following troubleshooting tips. There is no picture. • Is AC adapter and the power cord disconnected?(See page 8.) • Is main power switch off?(See page 9.) There is a picture but no sound from headphone. • Make sure the volume is not set to minimum. (See page 11.) Cannot display images. • Is the cable a HDMI certified product? • Is the input signal compatible with this unit?(See page 15.) • Is it connected correctly with the computer? • Is the computer turned on? • Is the power saving function of the computer running?Please press key on the keyboard or move the mouse. • Turn off the power once, wait at least 5 seconds, then turn on the power again. • When connecting to multiple input terminals at the same time, the appropriate input may not be selected. Input mode changes automatically. • In this unit, when the input of the video signal disappears it automatically switches to the input mode with video signal. • Therefore, the input mode may change in the following cases. - When the computer enters the system standby state - When stopping playback of video on playback equipment E 12

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12
E
If you are experiencing any problem with your display, before requesting service, please review the following troubleshooting
tips.
There is no picture.
•
Is AC adapter and the power cord disconnected?(See page 8.)
•
Is main power switch off?(See page 9.)
There is a picture but no sound from headphone.
•
Make sure the volume is not set to minimum.
(See page 11.)
Cannot display images.
•
Is the cable a HDMI certified product?
•
Is the input signal compatible with this unit?(See page 15.)
•
Is it connected correctly with the computer?
• Is the computer turned on?
•
Is the power saving function of the computer running?Please press key on the keyboard or move the mouse.
•
Turn off the power once, wait at least 5 seconds, then turn on the power again.
•
When connecting to multiple input terminals at the same time, the appropriate input may not be selected.
Input mode changes automatically.
•
In this unit, when the input of the video signal disappears it automatically switches to the input mode with video signal.
•
Therefore, the input mode may change in the following cases.
- When the computer enters the system standby state
- When stopping playback of video on playback equipment
Troubleshooting