Sharp Aquos LC-13B4M Manual de operação - Página 34

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TROUBLESHOOTING

I Before calling for repair service, check the following items for possible remedies to

the encountered symptoms.

TV set

Problem

Picture

Sound

There is no

picture or

sound.

There is no

Picture

picture.

There is no

picture from

AV-IN 1.

There is no

sound.

There is no

picture or

sound, just

noise.

Picture is not

clear.

Picture is light

or improperly

tinted.

The picture is

too dark.

Remote control does not work.

• Make sure the AC adapter is properly inserted in the

power outlet.

• Reception other than those of broadcasting stations

can be considered.

• Make sure the input mode is set to TV.

• Make sure the MAIN POWER switch of the main unit

is on.

• Make sure the BLACK LEVEL is properly adjusted.

• Fluorescent lamp may have reached the end of

service life.

• Make sure the S-Video terminal is free of connections.

• Make sure the volume is not set to minimum.

• Make sure the sound is not set to mute.

• Make sure the antenna cable is properly connected.

• Bad reception can be considered.

• Make sure the antenna cable is properly connected.

• Bad reception can be considered.

• Check colour adjustment.

(NTSC mode)

• Check if BRIGHTNESS is set to DARK.

• Check CONTRAST and BLACK LEVEL adjustment.

• Fluorescent lamp may have reached the end of

service life.

• Check if batteries in the remote control have sufficient

power.

• Make sure the remote sensor window is not under

strong fluorescent lighting.

Check item

Reference

Pages

–

19, 20

–

19, 20

21, 23

19, 20