Blue Bird Coachworks 450 LXi, Руководство пользователя

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4-16 Audio/Video Components
450 LXi Owner Manual
~ 4-16-38 ~
Rev. “C”
4-16.3.29 Troubleshooting
Before requesting service for this LCD TV, check the chart below for a possible cause of the problem you are experiencing.
Some simple checks or a minor adjustment on your part may eliminate the problem and restore proper operation. If you are
in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem, consult your
dealer for instructions.
Symptom Cause and Remedy
Section to
Reference
Power supply does not
go on
• Is power supply plug unplugged from the outlet?
• If power will not go on with the remote control, is the power supply of the TV “Off”? _
How to Connect the
HDMI Terminal
Remote control cannot
be operated
• Is battery exhausted, or is battery polarity wrong?
• Is the remote control receiver illuminated with strong light from a fl uorescent lamp etc?
• Are you using the special-purpose remote control for this equipment? (The unit will not operate with
another remote control.)
4-16.1.14
_
_
Image shakes, or image
is unclear
• Is there deterioration, breakage or disconnection of the antenna or antenna wire?
• Is the antenna wire connected correctly? _
Connecting antenna
wire
There are spots on the
picture, or the screen
shakes
• Is the system affected (by radio wave interference or induced electromagnetic waves) by external sources
(automobiles or trains, high-voltage wires, neon, motors, magnetized steel frame, or iron rain shutters, etc)?
→Turn off the power supply, and try changing the equipment setup location. If that has no effect, separate
magnet-proofi ng will be required.
_
The image appears
doubled or tripled • Is the antenna direction shifted?
• Are refl ected electromagnetic waves being received from mountains or buildings?
_
A color pattern appears,
or colors disappear • Is the equipment being affected by another TV (electromagnetic interference)?
→ Changing the TV setup location may lead to improvement.
_
The channel number
disappears from the
screen • Has the RECALL button been pressed?
→ Press the “RECALL button” again. If the system is switched to external input and there is no external signal
video, the number will disappear.
_
When the image is not
stable, the screen turns
completely white for a
moment
• This occurs when the signal driving the liquid crystal is lost, and is not a malfunction. Location of Controls
The screen goes dark
momentarily when the
channel is changed.
• The screen is darkened for a moment to conceal noise generated when changing channels. _
The TV makes a hissing
noise occasionally • If the screen and audio are not abnormal, this sound is caused by slight expansion and contraction of the
cabinet due to changes in room temperature. It has no effect on performance.
_
The screen display
shakes with video input • When input is switched to “video input”, this may occur if there is no signal at the video/audio input
terminal.
_
A black band appears
momentarily when
selecting channels with
video
• This is due to noise generated when changing channels.
How to connect input
terminals
Both edges of the screen,
or columns or window
frames, appear bent
• They may appear bent due to the received channel or some DVD software. This is not a malfunction. _
The image from the
connected equipment
does not appear • Are plugs securely inserted into each terminal?
→ Securely insert plugs all the way.
How to connect input
terminals
The main unit is hot to
the touch
• The main unit radiates heat, so some parts of the console reach a high temperature. This is not a
problem for performance or quality.
• Set up at a location with good ventilation. Do not cover the ventilation holes of the console with a
tablecloth, etc., and do not place on top of other equipment (like a video deck).
_