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Troubleshooting
Some problems will only occur when viewing DVB channels. Due to the different techniques involved in digital
reception, DVB signal quality can be poor even if you appear to have a strong signal when viewing analogue
programmes.
The DVB system requires a good quality signal to provide the best picture. When viewing analogue pictures,
interference such as signal reflection from nearby buildings or mountains causes 'ghosting', but still provides a
viewable picture. For the DVB system, interference such as this can disrupt the flow of data causing the picture to
appear to be made up of large blocks, or to freeze intermittently. If the picture disappears completely, this could
mean that signal quality is very poor. If this happens often, you may need to improve your aerial system to provide
a better signal. This TV contains a complex microprocessor which enables you to view enhanced digital services.
Occasionally this device may need to be reset. This can be done by pressing the standby button on your remote
control.
Symptoms
No DVB channels listed in the
TV Guide after Auto Setup.
Blocky interference.
Picture freezes intermittently.
I have a good aerial system, but still cannot receive
DVB stations.
TV
PULL
VCR
Maintenance
To clean this set, wipe with a soft, dry cloth.
If the surfaces are extremely dirty, use a soft cloth dipped in soap-and-water solution or
a weak detergent solution.
• Use eyeglass cleaner to remove stubborn dirt from the LCD.
• Never use alcohol, paint thinner or benzine to clean this set.
• Before using chemically treated cloth, read the instructions that came with the cloth carefully.
• Do not wipe the LCD with water.
Wipe the cabinet with a soft cloth.
If the cabinet is heavily soiled, wipe with a well-wrung soft cloth dipped in neutral cleanser diluted with water.
CAUTION:
If water or similar substances get inside the monitor via the liquid crystal panel surface, a malfunction may result.
DVB TV Guide
:Landscape
Wed 12/05/04 10:46
Wed 12th
Category
Prog. type
Category
All Services
All Types
All Services
Time:
19:30
20:00
20:30
21:00
21:30
Change display mode
Select channel
Select Programme
Info
Exit
+24 Hr
Category
Prog. type
Aerial Input
terminal
Aerial Input
terminal
Check that DVB transmissions are available from the transmitter
you are currently using. If not, try directing the aerial at another local
transmitter.
Check analogue transmissions. If picture quality is poor, you will
need to improve or change your aerial system to receive DVB
channels. Consult a local installer.
Blocky interference indicates that the signal quality is poor.
You should consider improving your aerial system.
To check the quality of your signal use the Signal Quality feature
(see page 26).
Good quality signal – indication is green.
Poor quality signal – indication is red.
If you have tried the previous solutions and are still
unable to receive DVB channels, you may need to
provide dedicated aerial feeds to the TV and other
equipment.
This can be implemented using an
aerial splitter or separate aerials.
AERIAL
Aerial Output
SPLITTER
Aerial Input
Aerial Output
terminal
Checks
Separate
Aerial
Separate
Aerial
Neutral
detergent
43
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