Appendix

Troubleshooting

The problems described below are not always caused by malfunctions. Check the TV again before having the TV serviced.

 

Problem

 

Possible Solution

 

 

 

 

No power.

Check if you pressed POWER on the remote control unit. (See page 18.)

 

 

 

If the indicator on the TV lights up red, press POWER.

 

 

Is the AC cord disconnected? (See page 11.)

 

 

Has the power been turned on? (See page 18.)

 

 

 

 

Unit cannot be operated.

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

 

 

 

operation. In this case, operate the unit after fi rst turning the power off the TV or

 

 

 

unplugging the AC cord and re-plugging it in after 1 or 2 minutes.

 

 

 

 

Remote control unit does not

Are batteries inserted with polarity (e, f) aligned? (See page 17.)

 

operate.

Are batteries worn out? (Replace with new batteries.)

 

 

• Are you using it under strong or fl uorescent lighting?

 

 

• Is a fl uorescent light shining on the remote control sensor?

 

 

 

 

Picture is cut off.

Is the image position correct? (See page 38.)

 

 

Are screen mode adjustments such as picture size made correctly? (See pages 33,

 

 

 

34 and 78.)

 

 

 

 

Strange colour, light colour, or

Adjust the picture tone. (See pages 36 to 38.)

 

dark, or colour misalignment.

Is the room too bright? The picture may look dark in a room that is too bright.

 

 

Check the colour system setting. (See pages 25 and 50.)

 

 

Check the HDMI auto view setting. (See page 48.)

 

 

 

 

Power is suddenly turned off.

The unit’s internal temperature has increased.

 

 

 

Remove any objects blocking the vent or clean.

 

 

Check the ECO setting. (See page 32.)

 

 

Is the sleep timer set? (See page 32.)

 

 

 

 

No picture.

Is the connection to external equipment correct? (See pages 14 and 15.)

 

 

Is the correct input selected? (See page 49.)

 

 

Is the picture adjustment correct? (See pages 36 to 38.)

 

 

Is the antenna connected properly? (See page 11.)

 

 

Is “On” selected in “Audio only”? (See page 28.)

 

 

 

 

No sound.

Is the volume too low? (See page 23.)

 

 

Make sure that headphones are not connected. (See page 9.)

 

 

 

 

The TV sometimes makes a

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

 

cracking sound.

 

contracts according to changes in temperature. This does not affect the TV’s

 

 

 

performance.

 

 

 

 

Troubleshooting-Digital broadcasting

The error message about reception of broadcast

The example of an error message

Error code

 

Possible Solution

 

displayed on a screen

 

 

 

 

 

 

 

 

 

 

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.

 

 

 

 

 

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Sharp LC-46LB700X Appendix, Troubleshooting-Digital broadcasting, Error message about reception of broadcast