Before Repair - Sylvania SRT702A Operation Instruction Manual

VIII Before Repair
The following phenomenons do not mean that the TV set has fault.
Please check it according to the following methods before repair.
Phenomenon
No image and sound
No signal
No sound
Mosaic in the image
Could not receive signals
Image too dark
When the car is moving,
if there are mosaics in
the image or the image
and sound are not fluent.
AC adapter or automobile adapter
connecting improperly; using
unauthorized power; the power switch is
on the state of off.
Whether chosen the right channel; auto
setup receiving channel again; channels
need to be reset in a new place.
Whether the volume has been turned
down at the bottom; whether the
earphone is inserted; signals too weak;
the mute function is working.
Whether the antenna has been adjusted
properly, and maybe the signals are too
weak.
Maybe the local signals are too weak;
open antenna or cable TV preferred.
Whether the brightness and contrast are
proper, and please adjust again.
It is possibly because that the local
signals are too weak. Please move to
place with strong signals to receive.
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Reason