Operation Manual
E-43E-42
English
trouble-
shooting
Problem Check that...
ere are no lights on the unit
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the power cord is plugged into the AV950/AVR750/450/380 and the mains
socket it is plugged into is switched on.
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the power button is pressed in.
If a red LED is present, the AV950/AVR750/450/380 is in standby mode. Press
any button on the front panel or remote control.
e unit responds erratically
or not at all to the remote
control
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there are fresh batteries in the remote control.
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the front panel window is visible and you are pointing the remote control
towards it.
e front panel display is
blank
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the display hasn’t been turned o. Press the DISPLAY button on the front
panel or remote control.
No picture is being produced
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your viewing device is turned on and switched to display your AV950/
AVR750/450/380. Test by pressing the MENU button on the AV950/
AVR750/450/380 or on the remote and look for the main menu screen on
your display device.
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the correct video input is selected on the AV950/AVR750/450/380.
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the ‘Video Source’ has been set correctly in the ‘Input Cong.’ menu
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the video source is on, is operating normally, and is in ‘play’ mode if
appropriate.
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you have the AV950/AVR750/450/380 in a video resolution that is not
compatible with the connection you are using and with your display device.
TestthisbypressingandholdingtheOKkeyformorethanthreesecondsto
force 480p / 576p output resolutions.
ere are bright edges or
‘ghosts’ on the picture
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the cables used for analogue video connections are designed to carry video
(i.e., they are 75Ω coaxial cables).
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ensure the ‘sharpness’ control on your display device is switched o or set to
near minimum.
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for HDMI connections, try using a shorter cable or alternatively a dierent
brand.
No sound is produced
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the correct input has been selected.
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the ‘Audio Source’ has been set correctly in the ‘Input Cong.’ menu
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the source equipment is on, is operating normally and is in ‘play’ mode if
appropriate.
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the volume is turned up to a reasonable level and the AV950/
AVR750/450/380 is not in mute mode.
e sound is poor or distorted
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you have not excessively increased the input sensitivity (i.e. reduced the
maximum input signal voltage) in the Input Cong. menu if an analogue
input is being used.
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you have selected the correct size of speakers to suit your system in the setup
menu.
Problem Check that...
Sound only comes from some
of the speakers
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you have an appropriate surround source selected and playing.
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the BD/DVD disc is encoded in the appropriate format, and the correct
format has been selected in the disc start menu of the BD player (if
applicable).
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the BD/DVD player has been set to output ‘bitstream’ audio on the digital
output.
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the display window indicates that the disc you are playing is a multichannel
recording (you may need to press the INFO key several times until you get to
the ‘incoming format’ display).
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all the speakers are correctly connected to the speaker terminals and are
secure.
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you have not selected ‘Stereo’ as the decoding mode.
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your speaker balance is correct.
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you have congured the AV950/AVR750/450/380 to include all the speakers
in your system.
Unable to select Dolby Digital
or DTS decoding modes
e AV950/AVR750/450/380 can only apply Dolby Digital and DTS decoding to
sources which have been encoded in the same format.
Check that:
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digital source is selected and connected.
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the source is playing appropriately encoded material.
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the BD/DVD disc is encoded in the appropriate format and that the
correct format has been selected in the disc start menu of the BD player (if
applicable).
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the BD/DVD player has been set to output ‘bitstream’ audio on the digital
output.
When playing a Dolby
Digital BD, the AV950/
AVR750/450/380 selects Dolby
Pro Logic
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you have a digital connection from your BD player.
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sometimes Dolby Digital BD/DVD discs contain material at either the
beginning or the end of the main movie that is not in full 5.1 format, but in
two-channel or Pro Logic decoding.
Hum on the analogue input
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all cables are making a good connection. If necessary withdraw the cable
from the connector and plug it fully in again (turn the power o before
doing this).
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the connections inside the source cable connector are not broken or badly
soldered.
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if the hum originates only when one particular source component is
connected, that an aerial cable, or dish connection to this source is ground
isolated. Contact your installation contractor.
Problem Check that...
ere is radio or television
reception interference
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where the interference is coming from. Switch o each source component in
turn, then any other equipment. Most electronic equipment does generate
low levels of interference.
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try re-arranging cabling from the nuisance source away from other cabling.
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ensure that the cabling used is high quality, specied for its purpose, and is
properly screened.
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if the problem persists, contact your dealer.
e source switching changes
randomly or freezes on one
source
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there are no static or impulse interference problems caused by nearby power
equipment switching, e.g., heating or air conditioning control. Switch the
AV950/AVR750/450/380 o, wait ten seconds, then switch it on again to
clear an operating problem. Contact your installer if the problem returns or
persists.
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there is no direct sunlight shining on the infra-red detector behind the front
panel display.
Volume is always too loud
when I turn on
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the ‘max on volume’ setting is not set too high.
When Zone2 is put into
standby, the main zone is also
switched o
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the ‘zone standby‘ setting in the setup menu is set to LOCAL.
When a USB memory device is
connected, ‘USB’ is not shown
in the network client’s list of
folders
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a USB memory device is connected that conforms to the mass storage class.
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a USB hub is not being used.
If les on a USB memory
device cannot be played:
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the USB device is formatted in FAT16 or FAT32.
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the USB device does not have multiple partitions.
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the les are in a compatible format.
If les on a computer cannot
be played
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the les are in a compatible format.
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the computer is connected via a network and not USB – the AV950/
AVR750/450/380 USB port cannot be used for a direct connection to a
computer
If you cannot connect to a
wired network
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the Ethernet cable you are using is correctly connected between the AV950/
AVR750/450/380 and the network hardware.
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the network is set up for xed IP addressing and you have the AV950/
AVR750/450/380 set to use DHCP.
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the network is set up for DHCP and you have the AV950/AVR750/450/380
set to use xed IP addressing.
If you cannot connect to a
favourite internet radio station
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the station is still broadcasting or is not congested – try again later.
If the internet radio station
sound quality is poor or
broken
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the radio station does not have a low bit rate (use the INFO key to nd this or
look on the OSD).
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the network is not slow or congested.