Grundig 55 GDU 7900B User Manual

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Television / User Manual
INFORMATION
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Troubleshooting
If the remedies given below do not work, please consult an authorised dealer. Please bear in mind
that malfunctions can also be caused by external devices such as video recorders or satellite receiv-
ers.
Problem Possible cause Remedy
Screen lit (snow), but no
station
Antenna cable Is the antenna cable connected?
No TV station programmed Start the channel search
Poor picture contrast Picture settings incorrectly set Adjust the brightness, contrast or
colour setting
Problem at station Test with a different station
Interference to picture
and/or sound
Interference from other devices Change the position of the device
Ghosting, reflection Channel setting Automatic or manual channel
setting/fine tuning
Antenna Have antenna cable or system
checked
No colour Colour intensity at maximum Turn up the colour
TV standard setting (if setting
option is available)
Select the correct colour standard
Problem at station Test with a different station
Picture but no sound Volume set to minimum Turn up or switch on the volume
Teletext missing or faulty Problem at station Test with a different station
Television station (has no
teletext) or antenna system
Test another channel for fine
tuning and ghosts
Station signal too weak Check the antenna system
Remote control does not
work
No optical connection Point the remote control at the
television set
Remote control batteries Check the batteries, change if
necessary
Operating condition undefined Switch off the TV by pressing the
power key (if any) or unplugging
the mains plug, and leave it off for
about 2 minutes.
Picture is dark in PC mode Incorrect setting for picture
resolution and picture frequency
on the PC
Change the setting on the PC (for
example, picture resolution 1280
x 768, picture frequency 60Hz).
Modem do not have Internet
connection or has problems
Make sure that your modem has
Internet connection

Grundig 55 GDU 7900B Specifications

General

Brand	Grundig
Model	55 GDU 7900B
Category	TV
Language	English