Инструкция по эксплуатации TELEFUNKEN TF-LED19S1 — страница 12

Operation

General information

Troubleshooting

Below is a table describing simple measures that can help you eliminate most problems likely to emerge when this unit is in use If below measures do not help turn to a service center or to the nearest dealer.

Symptom

Cause

Solution

No picture no sound and no indicator light

The power cord is not plugged in.

Contrast brightness color and volume are all in the minimum value or TV is in mute mode.

Plug the power cord in.

Alter the value of contrast brightness color and volume.

Picture and sound with abnormity

Contrast and color are set improperly.

Color system is set improperly.

Sound system is set improperly.

Set the value of Contrast and color properly.

Set the sound system properly.

The picture in

VGA mode is abnormal

The PC settings may be improper.

Check and set the resolution parameters of your PC.

Picture is spotted or with snow

Signal source is low-grade or the signal is in a lower quality.

Use the qualified signal cord.

Blue background No video signal or the signal cord is improperly/not connected.

Connect the signal cord properly.

No sound

No audio signal or the signal cord is improperly/not connected.

Connect the audio signal cord properly.

Set the sound system properly.

The RC does not work

Batteries are improperly installed or exhausted.

Make sure the positive and the negative polarities are correct.

Reattach the battery lid.

Replace the batteries.

Causes of interference

Incorporated in your TV receiver are the most up-to-date devices to eliminate interference

Local radiation however can create disturbances which visibly affect your picture Proper installations a good aerial are your best safeguards against these disturbances.

• RF INTERFERENCE: Moving ripples across the screen are caused by nearby transmitting or receiving short-wave radio equipment.

• DIATHERMY: Herringbone pattern and partial picture loss can result from the operation of diathermy equipment from a nearby doctor’s surgery or hospital.

• SNOW: Weak TV signals from long distant stations result in an instead picture and give the effect of falling snow An antenna adjustment or antenna amplifier may be needed.

• GHOST: Multiple image caused by TV signals reflected back from surrounding buildings hills aircraft etc is minimized by correct aerial positioning.

• CAR IGNITION: Nearby cars and electrical motors can cause small streaks across the picture or make the picture roll.