47
Troubleshooting
Problem
Possible Solution
• No power
• Check if you pressed
POWER
on the remote control unit.
Page 14
• Is the AC cord disconnected?
Page 7
• Has the power been turned on?
Page 14
• Unit cannot be
operated.
• External influences such as lightning, static electricity, may cause improper operation.
In this case, operate the unit after first turning off the power of the TV or unplugging
the AC cord and replugging it in after 1 or 2 minutes.
• Remote control unit
does not operate.
• Is the equipment to be operated by the remote control unit set correctly? Press
TV
to
set the remote control unit to the setting for operating the TV.
• Are batteries inserted with polarity (
e
,
f
) aligned?
Page 8
• Are batteries worn out? (Replace with new batteries.)
• Are you using it under strong or fluorescent lighting?
• Is a fluorescent light illuminated near the remote control sensor?
• Is "RC Control Lock" selected in "Operation Lock Out"?
Page 25
• Picture is cut off/with
sidebar screen.
• Is the image position correct?
Pages 25 and 39
• Are screen mode adjustments such as picture size made correctly?
Pages 18 and 19
• Strange color,
light color, or color
misalignment
• Adjust the picture tone.
Pages 22 and 23
• Is the room too bright? The picture may look dark in a room that is too bright.
• Power is suddenly
turned off.
• Is the sleep timer set?
Page 17
• Check the power control settings.
Page 24
• The unit's internal temperature has increased. Remove any objects blocking vent or clean.
• No picture
• Is connection to other components correct?
Pages 11 to 13 and 36
• Is the correct input selected?
Pages 11 and 16
• Is "On" selected in "Audio Only"?
Page 24
• If the PC image is not displayed, check the following:
- When connecting a laptop PC to the TV, check that display output mode of the PC
is set to external monitor.
- Check the resolution setting on the PC. Is a non-compatible signal being input?
Page 40
• Picture quality of HD
programs is poor.
• To enjoy HD images from external equipment, you are required to set up HDMI
connection or component connection.
• If the program content is not of HD quality, HD images cannot be displayed. Check
that the program you are viewing provides HD images.
• The HD cable/satellite set-top box may need to be configured to output HD images
via cable/satellite.
• The cable/satellite broadcast may not support a signal resolution of 1080p.
• The TV sometimes
makes a cracking
sound.
• This is not a malfunction. This happens when the cabinet slightly expands and
contracts according to change in temperature. This does not affect the TV's
performance.
• Some Internet
functions used on a PC
are not available from
the TV.
• The TV has only limited functions compared with regular PC browsers.
Page 43
Problem
Possible Solution
• No sound
• Is connection to other components correct?
Pages 11 to 13 and 36
• Is the volume too low?
Page 16
• Is "Variable" selected in "Output Select"?
Page 25
• Have you pressed
MUTE
on the remote control unit?
Page 16
• Check the audio output of the connected external equipment. Is the volume too low or
muted?
• When external equipment is connected via an HDMI cable, you may need to configure
the audio to be output through the HDMI cable.
• When audio is not output from external equipment connected to the PC IN or HDMI 2
terminal, check the "Audio Select" setting.
Page 39
• Even when external equipment is connected using an HDMI-certified cable, an audio
cable connection may be required depending on the type of equipment and the media
being played back. In this case, in addition to connecting an HDMI-certified cable
to the HDMI 2 terminal, connect a Ø 3.5 mm stereo minijack cable to the AUDIO IN
terminal and set "Audio Select" to "HDMI+Analog".
Page 39
• When connecting a PC via an HDMI-certified cable, check the following:
- Is the audio output of the PC configured correctly? Check the audio output settings
and output audio format in Sound Properties on the PC.
The audio formats compatible with this TV are PCM, Dolby Digital and DTS. With
other formats, audio cannot be output.
- Depending on the board, only video signals may be output. In this case, in addition
to connecting an HDMI-certified cable to the HDMI 2 terminal, connect a Ø 3.5
mm stereo minijack cable to the AUDIO IN terminal and set "Audio Select" to
"HDMI+Analog".
Page 39
• If you are using a DVI-HDMI conversion cable to connect external equipment to the
TV, check the following:
- Is an audio cable connected? The DVI-HDMI conversion cable is for video only.
Connect a Ø 3.5 mm stereo minijack cable to listen to the audio.
- Is HDMI 2 being used? When the TV is connected to another HDMI terminal, the
audio and video are not output together even if a Ø 3.5 mm stereo minijack cable is
connected to the shared AUDIO IN terminal for PC IN and HDMI 2.
- Check the "Audio Select" setting. Set "Audio Select" to "HDMI+Analog".
Page 39
Troubleshooting - Error Message
The example of an error
message displayed on a
screen
Error
code
Possible Solution
• Failed to receive
broadcast.
E202
• Check the antenna cable. Check that the antenna is correctly setup.
• No broadcast now.
E203
• Check the broadcast time in the program guide.
• An incompatible
audio signal has been
received. Check the
output device settings.
—
• This message is displayed when an audio format other than PCM, DTS or
Dolby Digital is input.
- Set the audio output format of connected external HDMI equipment to
PCM, DTS or Dolby Digital.
- Refer to the operation manual of the external equipment for setting
details.
Appendix
Summary of Contents for Aquos LC-80LE642U
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