T+A DD 1230 R, Руководство по эксплуатации

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44
Trouble-shooting
Many problems have a simple cause and a correspond-
ingly 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 ad-
vice.
Restoring the works default settings
First display the software version number:
•
Switch on the machine.
•
Wait until the screen displays the loudspeaker sym-
bols.
•
Hold the button on the front panel pressed in
(approx. 2 seconds).
• The software version number '
Vx-xx
Vx-xx Vx-xx
Vx-xx
' and the DSP ver-
sion number '
xxx xxx xxx xxx
' of the machine are now displayed on
the integral screen.
When the software version has been displayed, hold the
button on the front panel pressed in. The integral
screen now shows the message '
RESET RESET RESET RESET aLL aLL aLL aLL
' , and the TV
screen displays the ' Service-Menu ' .
Hold the button pressed in to accept the selec-
tion.
Problem: Machine does not switch on (green LED
does not light up).
Cause:
Mains lead not plugged in correctly.
Remedy: Check connections, push plugs in firmly.
Problem: Machine does not respond when buttons
are pressed.
Cause: Static discharge or powerful interference
(e.g. lightning) have corrupted the proces-
sor memory.
Remedy: Reset machine : disconnect mains plug,
wait about 10 seconds and re-connect.
Switch unit on again.
Problem: The menu control system does not work.
Cause:
Master unit software is not designed for
decoder operation.
Remedy: Software update required in master ma-
chine; ask your specialist
dealer.
Problem: Machine responds correctly to manual
operation of the buttons, but does not
respond to remote control commands
via the “R”-series pre-amplifier, inte-
grated amplifier or receiver.
Cause 1: Incorrectly inserted batteries or flat batteries
in the remote control handset.
Remedy: Re-install batteries correctly or fit new ones.
Cause 2: R
LINK
or RC plug not fitted correctly in the
R
LINK
or RC socket on the decoder.
Remedy:
Complete the connections as shown in the
wiring diagram. Push in connectors firmly.
Cause 3:
No visual contact between remote control
transmitter and remote control receiver
attached to the
'R' -series pre-amplifier,
integrated amplifier or receiver.
Remedy: Ensure direct line-of-sight contact between
remote control transmitter and receiver.
Note that glass doors may prevent the
system working properly.
Maximum range between transmitter and
receiver approx. 8 metres.
Position the receiver in such a way that it is
not subjected to direct sunlight or strong
artificial lighting. Fluorescent and energy-
saving lamps are powerful sources of in-
terference.
Problem: Loud humming noise from the loud-
speakers.
Cause: Poor contact between the Cinch plugs and
sockets, or a faulty Cinch cable.
Remedy: Please check all connections and cables
thoroughly.