Clearing The Secret Number - Sharp AQUOS LC-40LE820UN Operation Manual

Appendix
Problem
• No picture
• Picture quality of HD programs is
poor.
• The TV sometimes makes a
cracking sound.
• The original home page cannot
be displayed.
• Some Internet functions used on
a PC are not available from the
TV.
Troubleshooting - Error Message
The example of an error message
displayed on a screen
• Failed to receive broadcast.
• No broadcast now.
• An incompatible audio signal has
been received. Change the output
device audio settings to PCM.

CLEARING THE SECRET NUMBER

If you forget the secret number, clear the secret number using the following procedure.
1
Select an item from the list below to display the secret number input screen. (For operating the on-screen
display menu, see page 22.)
• "Color system" (
• "EZ Setup" or "Reset" (
➝
• "CH Setup" ( "Broadcasting Setting"
• "Parental CTRL" (
• "Software Update" (
2 Press and hold both CHr and VOL k on the TV simultaneously until the message appears on the screen.
The secret number is
• As a precautionary measure, make a note of your secret number above, cut it from this manual, and keep it in a safe place.
• Is connection to other components correct?
• Is the correct input selected?
• Is "On" selected in "Audio Only"?
• 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 48
• 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 confi gured to output HD images
via cable/satellite.
• The cable/satellite broadcast may not support a signal resolution of 1080p.
• 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.
• Is the ETHERNET cable connected correctly?
• Check the settings of "Communication Setup" and "Interactive Service".
• The TV has only limited functions compared with regular PC browsers.
Error code
E202
E203
—
➝
"Input Terminal Setting"
➝
Initial Setup menu).
➝
➝ ➝
"Individual Setting"
➝
Information menu).
Possible Solution
Pages 12 and 19
Page 27
• Check the antenna cable. Check that the antenna is correctly
setup.
• Check the broadcast time in the program guide.
• This message is displayed when an audio format other than
PCM is input. (Dolby Digital and DTS audio formats are not
supported.)
- Set the audio output format of connected external HDMI
equipment to PCM.
- Refer to the operation manual of the external equipment for
setting details.
➝
System Options menu).
Initial Setup menu).
Initial Setup menu).
.
Pages 12 to 16 and 43
Page 50
Possible Solution
Page 51
Page 53
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