Manual Sharp LC-37GX3H (page 47 of 56) (English)

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Troubleshooting

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

serviced.

Possible Solution

Appendix

Problem

• No power.

• Unit cannot be operated.

• Remote control unit does not

operate.

• Picture is cut off.

• Strange colour, light colour, or

dark, or colour misalignment.

• Power is suddenly turned off.

• No picture.

• No sound.

• The TV sometimes makes a

cracking sound.

• Check if you pressed POWER on the remote control unit. (See page 13.)

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

• Is the AC cord disconnected? (See page 8.)

• Has the power been turned on? (See page 13.)

• 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.

• Are batteries inserted with polarity (

) aligned? (See page 12.)

• 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?

• Is the image position correct? (See page 34.)

• Are screen mode adjustments such as picture size made correctly? (See pages 29,

30 and 40.)

• Adjust the picture tone. (See pages 32 to 34.)

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

• Check the colour system setting. (See pages 20 and 38.)

• Check the input signal setting. (See page 42.)

• Check the HDMI Setup setting. (See page 36.)

• The unit's internal temperature has increased.

Remove any objects blocking the vent or clean.

• Check the power control setting. (See pages 27 and 28.)

• Is the sleep timer set? (See page 27.)

• Is the connection to external equipment correct? (See pages 9, 10, 36, 39 and 40.)

• Has the input signal setup been performed correctly after connection? (See page

42.)

• Is the correct input selected? (See page 37.)

• Is the picture adjustment correct? (See pages 32 to 34.)

• Is the antenna connected properly? (See page 8.)

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

• Is the volume too low? (See page 18.)

• Make sure that headphones are not connected. (See page 6.)

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

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

performance.

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 LCD panel to malfunction.

Storage temperature:

20°C to

60°C.

37GX3H_en_h.indd 4537GX3H_en_h.indd 45 2007/11/14 11:05:002007/11/14 11:05:00

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Sharp LC-37GX3H Manual

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