Appendix

Troubleshooting

 

Problem

 

Possible Solution

 

 

 

 

No power

Check if you pressed 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 8.)

 

 

Has the power been turned on? (See page 12.)

 

 

 

 

Unit cannot be operated.

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.

 

 

 

 

Remote control unit does not

Are batteries inserted with polarity (e, f) aligned? (See page 9.)

 

operate.

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?

 

 

 

 

Picture is cut off/with sidebar

Is the image position correct? (See page 21.)

 

screen.

Are screen mode adjustments such as picture size made correctly? (See page 16.)

 

 

 

 

Strange color, light color, or color

Adjust the picture tone. (See pages 18 and 19.)

 

misalignment

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? (See page 13.)

 

 

Check the power control settings. (See page 19.)

 

 

The unit's internal temperature has increased. Remove any objects blocking vent or

 

 

 

clean.

 

 

 

 

No picture

Is connection to other components correct? (See page 11.)

 

 

Is correct input signal source selected after connection? (See page 24.)

 

 

Is the correct input selected? (See page 24.)

 

 

Is picture adjustment correct? (See pages 18 and 19.)

 

 

Is “On” selected in “Audio Only”? (See page 24.)

 

 

Is a non-compatible signal being input? (See page 30.)

 

 

 

 

No sound

Is the volume too low? (See page 13.)

 

 

Is “Variable” selected in “Output Select”? (See page 24.)

 

 

Have you pressed MUTE on the remote control unit? (See page 13.)

 

 

 

 

The TV sometimes makes a

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

 

cracking sound.

 

contracts according to change 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.

 

 

 

 

 

Cautions regarding use in high and low temperature environments

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)

27

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Sharp LC 46SB57UN Appendix, Troubleshooting-Digital Broadcasting, Error message about reception of broadcast

LC 52SB57UN, LC 46SB57UN specifications

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