Magnavox 50MF231D Mode D'emploi page 28

Kensington Security Slot (if present)
Your TV is equipped with a Kensington Security Slot, to prevent it from getting stolen.
An anti-theft Kensington lock has to be purchased separately.
The Kensington lock is a plastic-coated steel cable with a lock. One end has to be fixed to the opening of the TV and locked with a
special key. The other end is attached to a fixed point.
® Kensington and MicroSaver are registered US trademarks of ACCO World Corporation with issued registrations and pending applications in other
countries throughout the world. All other registered and unregistered trademarks are the property of their respective owners.
Troubleshooting Tips
Symptoms
No display on screen •
Poor reception
(snowish picture and •
noise
Reddish picture in
AV1/2/3
No sound
Sound interference
Interference lines
seen on S-Video
Intermittent or
flickering picture on
in HDMI
Black bar on top and
bottom of screen in
PC mode
Picture position
adjustment
Occasional appearance •
black spots on the
screen (LCD TV only)
PC modes do not
work
TV not responding
to Remote control
English_DFU_37131.indd 25
All manuals and user guides at all-guides.com
Possible Causes What you should do
Faulty power supply •
• TV's Power not turned
on
•
• TV go to standby after •
10min without video.
• Faulty aerial and cable •
• Wrong source selected. •
• Faulty antenna connection •
Weak transmission
• Wrong TV system •
• Wrong setting of DVD •
player
• Zero volume level •
• Sound muted •
•
• Wrong audio selection •
• Electrical appliances •
interference
• Wrong detection of •
signal •
•
• * HDCP (see glossary) •
authentication failed
•
•
• PC refresh rate too high •
• Slight differences in output •
signals from different brands
and types of HD sources
Characteristic of liquid •
crystal panel
• Wrong connections •
• Wrong source selected. •
• Wrong display resolution •
•
•
• Wrong polarity of batteries •
• Flat batteries. •
Check whether power cord is properly connected into the mains socket. If there
is still no power, disconnect plug. Wait for 60 seconds and re-insert plug. Turn on
TV again.
Press the POWER key on the TV and wait for 10-15sec.
Press the POWER key on the remote control.
Check whether euroconnector cables or aerial sockets are properly connected.
Check whether the source is correctly selected. Press AV+ button to enter
Source list and select the correct source.
Faulty antenna connection
Have you chosen the right TV system? (refer to page 5).
Set the DVD player to the correct output video format.
Try increasing volume. (You will not see the volume indication if OSD set to
minimum)
Check that the sound is not muted.
Aim remote control directly at sensor on front of TV.
Go to menu => Setup => Source => Analog Audio In => select AV1
Try turning off any electrical appliances, for example, hairdryer, vacuum cleaner
that are in use.
Check whether power cord is properly connected
Press the CH/PAGE +/– key on the remote control and do a channel up
followed by a channel down.
Make sure no composite video are connected on the same AV input.
Noise is displayed if the connected digital equipment's (DVD player or set-up
box) *HDCP authentication failed. Check user manual for the digital equipment
you are connecting.
Use a HDMI compliant cable.
Try unplugging the HDMI cable and replugging it back.
Change PC refresh rate to 60 Hz.
When displaying a High Definition signal from the YPbPr inputs or HDMI input, if
necessary, you can adjust the picture position to the center of the screen with the
cursor left/right or up/down buttons on the remote control.
This symptom is not a problem. The liquid crystal panel is built with very high and
precision technology giving you the fine picture details. Occasionally, a few
non-active pixels may appear on the screen as a fixed point of red, blue, green or
black. Note that this does not affect the performance of the set.
Check whether connections are correct.
Check whether the source is correctly selected. Press AV+ button to enter
Source list and select the correct source.
Check whether you have configured the computer on a compatible display
resolution.
Check if the remote control is in TV mode.
Check if the green led blink when using remote control.
Check polarity of the batteries.
Try changing the batteries.
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2006-03-29 6:31:04 PM