17
TROUBLESHOOTING
IMPORTANT NOTES
The following problems do not always indicate a hardware failure. Therefore, please use the troubleshooting
guide below before calling for repair service.
If, after following the guide none of the remedies work, unplug the TV set and call for service.
NOISE OR INTERFERENCE:
IGNITION NOISE
White spots and horizontal streaks may appear on
the screen. Usually this is caused by interference
from automobile, neon lamps or
other electrical
appliance. So, the antenna should be installed away
from such interference sources.
SNOW
Small dots may appear on the
entire
screen.
Check
the
coaxial
cable
or
antenna
installment and the direction.
RADIO FREQUENCY INTERFERENCE
The
interference
produces
moving ripples or diagonal
streaks. This is not caused
by the receiver but is caused
by interference from other
signals or radio.
VCR:
When
the VCR test signal
(TSG) is received, the lower
side of the test
pattern
is
distorted as shown in
the
figure.This is not amalfunction
and the playback picture is
not influenced by it.
GHOST:
Please change the direction,
height
or position
of
the
antenna.
Reflections
from
building or mountains might
cause this phenomenon. A
highly directional antenna may
improve the reception.
SOUND IS HEARD (BUZZER) BUT NO
PICTURE:
Please
check whether
the
brightness
and
contrast
control
are
properly
adjusted, and
the antenna
is
connected
into
plug
properly.
NO PICTURE AND NO SOUND:
Please check that
the TV
receiver is plugged in and
that the indicator on the front
panel of TV lights is red.
NO COLOUR PICTURE OBTAINABLE
DURING A COLOUR PROGRAM:
Please check that if the input
signal is too weak. Please
check the
colour control is
adjusted properly. Please fine
tune the frequency with the
method of the fine tuning. For
multi-system models, check
that the system selected
is
correct, including colour and
audio systems.
Summary of Contents for C29-F880
Page 1: ...Hitachi Colour TV C29 F880S C29 F880SN C29 F880SNT ...
Page 20: ...20 ...
