Troubleshooting guide, Tv troubleshooting – Teac DVTV5190F User Manual
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Troubleshooting guide
BREAKDOWN PHENOMENON
PICTURE
SOUND
CHECKING
The aerial direction and connection
Ensure that the power supply is connected to
the TV set and turned on. Also ensure that the
TV set is not in "Listen Mode" or that the
brightness and contrast are not turned down.
Adjust colour control
Adjust channel again
Colour Purity fault which can be caused by moving the
TV set, placing magnets near the TV screen or turning
on/off house hold appliances such as vacuum cleaners
near the TV set. Turn the TV off with the mains power
switch for 15 minutes. When the power is turn on again
the TV set will automatically demagnetise the screen.
In severe cases you may need to repeat this process.
Picture with snow
Noise
Colour Spot
Normal volume
Scramble
Normal or Weak Volume
No colour
Normal volume
No Picture
No sound
No sound
Normal
Normal
Disturb
Noise
Double or Triple Image
Electrical interference which can be caused by cars,
motorbikes etc, Fluorescent lamps and dirty
insulators on overhead power cables.
This is called ghosting which can be minimized with
an outside aerial, and good quality cable and
terminations. Altering the aerial direction can also
minimize this effect.
Volume Sound mute
TV troubleshooting