DGM LTV-1914WHTC Manual Del Usuario página 22

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7. Trouble Shooting
Before arranging for service, firstly know the status and then check simply as
follows:
Problems
No picture or Check if the power supply is plugged in.
sound. Check if the power switch is in "on" position.
Picture is OK, but Check if the volume control is set to the minimum or mute
no sound position.
Check if the power switch is in "on" position.
Check if the batteries are out of use or not connected well.
Remote control Make sure that there is no strong light striking the sensor
doesn't work window of remote control unit.
Check there are no obstacles between the sensor window
and remote control unit.
Check if the TV/AV button is set to TV status.
No TV signal Check if the antenna is well connected.
Check if you installed the TV correctly.
No external video Check if you installed the TV correctly.
signal Check if the TV/AV button is set to AV position.
Picture lacks color Check color, brightness and contrast controls are
or picture too dark correctly adjusted.
All channels lose Check if the antenna is broken.
color Check if the antenna is disconnected.
Intermittently Check if the antenna is damaged.
Poor reception, loss Check if channels are correctly tuned.
of color with certain
channels
Diagonal stripes The receiver may be affected by interference (e.g. from
appear on picture nearby radio broadcasting transmitter or from another TV
receiver).
Check if the antenna is broken.
Picture has 'snow' Check if the antenna is disconnected.
Check if the antenna is damaged.
Check if the antenna direction has been changed by a
storm or strong wind, etc. (because ghost images are
Ghost images caused by the arrival at the antenna of both the signal
appear which has traveled directly from the transmitter and the
signal which has been reflected from a hill or a large
building. The direction of the antenna should be chosen
for minimized ghosting.)
Check
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