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TF-LED24S33T2
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Telefunken TF-LED24S33T2 — troubleshooting Guide for Common TV Issues and Solutions [15/35]

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.

Telefunken TF-LED24S33T2 — troubleshooting Guide for Common TV Issues and Solutions [15/35]

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