Troubleshooting, Troubleshooting-digital broadcasting – Sharp Aquos LC 37HT3U User Manual

Page 22

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20

Troubleshooting

Possible Solution

• Is the volume too low? *
• Is “Variable” selected in “Output Select”? *
• Have you pressed MUTE on the remote control unit? *

Cautions regarding use in high and low temperature environments

Appendix

Problem

• No power

• Unit cannot be operated.

• Remote control unit does not

operate.

• Picture is cut off/with sidebar

screen.

• Strange color, light color, or color

misalignment

• Power is suddenly turned off.

• No picture

• No sound

• Check if you pressed TV POWER on the remote control unit. (See page 12.) If the

indicator on the TV does not light up, press POWER on the TV.

• Is the AC cord disconnected? (See page 16.)
• Has the power been turned on? (See page 18.)

• External infl uences such as lightning, static electricity, may cause improper

operation. In this case, operate the unit after fi rst turning off the power of the TV or
unplugging the AC cord and replugging it in after 1 or 2 minutes.

• Is the FUNCTION set correctly? Set it to the TV setting position.
• Are batteries inserted with polarity (

e, f) aligned? *

• Are batteries worn out? (Replace with new batteries.)
• Are you using it under strong or fl uorescent lighting?
• Is a fl uorescent light illuminated near the remote control sensor?

• Is the image position correct? *
• Are screen mode adjustments such as picture size made correctly? *

• Adjust the picture tone. *
• Is the room too bright? The picture may look dark in a room that is too bright.
• Check the input signal setting. *

• Is the sleep timer set? *
• Check the power control settings. *
• The unit's internal temperature has increased.
Remove any objects blocking vent or clean.

• Is connection to other components correct? *
• Is correct input signal source selected after connection? *
• Is the correct input selected? *
• Is picture adjustment correct? *
• Is “On” selected in “Audio Only”? *
• Is a non-compatible signal being input? *

• When the unit is used in a low temperature space (e.g. room, offi ce), the picture may leave trails or appear slightly delayed.

This is not a malfunction, and the unit will recover when the temperature returns to normal.

• Do not leave the unit in a hot or cold location. Also, do not leave the unit in a location exposed to direct sunlight or near a

heater, as this may cause the cabinet to deform and the Liquid Crystal panel to malfunction.

Storage

temperature:

f4°F to e140°F (f20°C to e60°C)

Troubleshooting-Digital broadcasting

The error message about reception of broadcast

• Failed to receive broadcast.

E203

• Check the broadcast time in the program guide.

The example of an error message

displayed on a screen

• No broadcast now.

Error code

E202

Possible Solution

• Check the antenna cable. Check that the antenna is correctly

setup.

• See the OPERATION MANUAL FOR HOTEL OPERATOR for the Possible Solutions marked with an asterisk (*).

• This is not a malfunction. This happens when the cabinet slightly expands and

contracts according to change in termperature. This does not affect the TV's
performance.

• The TV sometimes makes a

cracking sound.

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