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TB851P/TB853W 19
English
6. TROUBLESHOOTING
Problem Cause Action
No image display.
Poor or blurred
image.
Display is too dark.
Display color is weak
or poor face color.
The TV tuner has a
double or triple
image.
Spots or stripes in
image.
No sound.
The parking brake is not set.
Vehicle is moving.
No TV mode (function).
Monitor is at OFF.
Poor antenna receiving
conditions.
The brightness control is too
low.
Poor operating conditions.
Vehicle headlights are on.
The color is not adjusted
adequately.
Bad receiving conditions.
Other signals are interfering
with reception.
Volume is too low.
Check that the parking brake is set.
No video is displayed on the unit while driving. Park
the vehicle before playing this unit. (Set the parking
brake.)
To watch TV, press the source button and check that
the TV screen is now set.
Press the power button or another button to turn on
the monitor.
Reception is blocked by mountains or buildings.
Check reception again at a place where radio waves
can be received properly.
Adjust the brightness properly.
The temperature inside the vehicle might be 0°C or
lower. Set to an appropriate temperature (25°C or
so) and check it again.
The display is designed to darken at night to prevent
glare from headlights.
Display also darkens if the headlights are used in the
daytime.
Check that COLOR and HUE are adjusted properly.
Possible poor antenna reception due to mountains or
buildings, etc.
Check again in a different location and position.
Possible signal interference from other vehicles,
power lines, streetcars, etc. Check reception later
after changing your location.
Volume level might be set at minimum. Adjust once
more.
■ If you think that something is wrong with your unit, check the following points before
requesting servicing.
*TB851P/TB853W(09-20)E 05.2.25, 11:26 AM19