61
Trouble-shooting
Many problems have a simple cause and a
correspondingly simple solution. The following section
describes a few difficulties you may encounter, and the
measures you need to take to cure them.
If you find it impossible to solve a problem with the help
of these notes please disconnect the unit from the mains
and ask your authorised
specialist dealer for
advice.
Problem:
Loud
humming
noise
from
the
loudspeakers.
Cause:
Poor contact between the Cinch plugs and
sockets, or a faulty Cinch cable.
Remedy:
Please check all connections and cables
thoroughly.
Problem:
No sound, or distorted sound.
Cause:
Incorrect audio connection to amplifier or
TV set.
Remedy:
Check connections against wiring diagram;
push all connectors in firmly. Select a
different listening source when checking the
amplifier.
Problem:
No sound from center, or center sound
signal too quiet.
Cause:
Center
speaker
not
connected,
but
activated in
'
Speaker Setup
'
.
Remedy:
Connect center loudspeaker, or disable
center speaker in
'
Speaker Setup
'.
Problem:
No sound from individual loudspeaker.
Cause 1:
Loudspeaker not activated in
'
Speaker
Setup
'
.
Remedy:
Call up
'
Speaker Setup
'
and enter the type
of loudspeaker connected.
Cause 2:
Loudspeaker cable not connected correctly,
or short-circuit in speaker cable.
Remedy:
Check connection and speaker cable,
correct if necessary.
Cause 3:
Decoder not set to surround mode.
Remedy:
Call
up
'
Main
Menu
'
and
set
to
'SURROUND'
or one of the sound fields.
Cause 4:
Programme contains no information on the
auxiliary channels (e. g. stereo material).
Remedy:
If you wish, call up the
'
Main Menu
'
and
select a sound field.
Cause 5:
The level for the channel affected is set too
low.
Remedy:
Call up
'
Speaker Balance Setup
'
and raise
the level.
Problem:
No bass, or inadequate bass.
Cause 1:
No subwoofer connected, but activated in
'
Speaker Setup
'
.
Remedy:
Connect subwoofer, or disable subwoofer in
'
Speaker Setup
'
.
Cause 2:
Size of loudspeakers entered incorrectly in
'
Speaker Setup
'
.
Remedy:
Call up
'
Speaker Setup
'
and check that
settings match the loudspeakers in your
system; correct if necessary.
Problem:
'
Main Menu
' not displayed on the
television screen.
Cause:
Screen display of
'
Main Menu
'
switched off
in
'
Device Setup
'
.
Remedy:
Call up
'
Device Setup
'
and switch on
'On-
screen Menu'
.
Problem:
Neither on-screen menu nor other
external programmes appear on the TV
screen. TV only shows those stations
which are received via its own aerial.
Cause :
Video lead not connected properly.
Remedy:
Push in all connectors firmly.
Summary of Contents for DD 820 M
Page 1: ...V 2 0 Bestell Nummer Order No 9103 0291 BETRIEBSANLEITUNG USER MANUAL DD 820 M...
Page 2: ...2...
Page 34: ...34...
Page 35: ...35 English...
Page 69: ...69...
