Magnasonic 20407M, Инструкция по эксплуатации

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１２
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Problems Check
No Picture or sound
．
Check if the power supply cord is plugged in
．
Check if the power switch is in the
＂
on
＂
position
．
Picture is OK, but no sound
．
Check if the volume control is set to the minimum or
mute position
．
Remote control doesn’t work
．
Check if the power switch is in the
＂
on
＂
position
．
Check if the batteries are out of use or not connected
．
Make sure that there is no strong light striking the sensor
window of the remote control unit
．
Make sure there are no obstacles between the sensor
window and the remote control unit
．
No TV signal
．
Check if the TV
／
AV button is set to TV status
．
Check if the antenna is well connected
．
Check if you installed the TV correctly
．
No external video signal
．
Check if you installed the TV correctly
．
Check if the TV
／
AV button is set to AV position
．
Picture lacks colour or picture
too dark
．
Check if the colour, brightness and contrast controls are
correctly adjusted
．
All channels lose colour
intermittently
．
Check if the antenna is broken
．
Check if the antenna is disconnected
．
Check if the antenna is damaged
．
Poor reception
，
loss of colour
with certain channels
．
Check if channels are correctly tuned
（
see
＂
Fine Tuning
＂）
Diagonal stripes appear on
picture
．
The receiver may be affected by interference
（
eg
．
from
nearby radio broadcasting transmitters
，
or from another
TV receiver
）．
Picture has
＂
snow
＂．
Check if the antenna is broken
．
Check if the antenna is disconnected
．
Check if the antenna is damaged
．
Ghost images appear
．
Check if the antenna direction has been changed by a
storm or strong wind
，
etc
． （
Ghost images are caused by
the arrival at the antenna of both the signal which has
traveled directly from the transmitter and the signal which
has been refected from a hill or a large building
．
The
direction of the antenna should be chosen for minimized
ghosting
） .
GUIDE TO SIMPLE TROUBLE SHOOTING