E-41
E-40
English
trouble-
shooting
Problem
Check that...
There are no lights on the unit
<
the power cord is plugged into the AVR850/AVR550/SR250 and the mains
socket it is plugged into is switched on.
<
the power button is pressed in.
If a red LED is present, the AVR850/AVR550/SR250 is in standby mode. Press
any button on the front panel or remote control.
The unit responds erratically or
not at all to the remote control
<
there are fresh batteries in the remote control.
<
the front panel window is visible and you are pointing the remote control
towards it.
The front panel display is blank
<
the display hasn’t been turned off. Press the
DISPLAY
button on the front panel
or remote control.
No picture is being produced
<
your viewing device is turned on and switched to display your AVR850/
AVR550/SR250. Test by pressing the
MENU
button on the AVR850/AVR550/
SR250 or on the remote and look for the main menu screen on your display
device.
<
the correct video input is selected on the AVR850/AVR550/SR250.
<
the video source is on, is operating normally, and is in ‘play’ mode if
appropriate.
There are bright edges or
‘ghosts’ on the picture
<
ensure the ‘sharpness’ control on your display device is switched off or set to
near minimum.
<
for HDMI connections, try using a shorter cable or alternatively a different
brand.
No sound is produced
<
the correct input has been selected.
<
the ‘
Audio Source
’ has been set correctly in the ‘Input Config.’ menu
<
the source equipment is on, is operating normally and is in ‘play’ mode if
appropriate.
<
the volume is turned up to a reasonable level and the AVR850/AVR550/
SR250 is not in mute mode.
The sound is poor or distorted
<
you have not excessively increased the input sensitivity (i.e. reduced the
maximum input signal voltage) in the Input Config. menu if an analogue
input is being used.
<
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
<
you have an appropriate surround source selected and playing.
<
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).
<
the BD/DVD player has been set to output ‘bitstream’ audio on the digital
output.
<
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).
<
all the speakers are correctly connected to the speaker terminals and are
secure.
<
you have not selected ‘Stereo’ as the decoding mode.
<
your speaker balance is correct.
<
you have configured the AVR850/AVR550/SR250 to include all the speakers
in your system.
Unable to select Dolby or DTS
decoding modes
The AVR850/AVR550/SR250 can only apply Dolby and DTS decoding to sources
which have been encoded in the same format.
Check that:
<
digital source is selected and connected.
<
the source is playing appropriately encoded material.
<
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).
<
the BD/DVD player has been set to output ‘bitstream’ audio on the digital
output.
When playing a Dolby BD/
DVD, the
AV
R850/AVR550
selects Dolby Surround
<
you have a digital connection from your BD/DVD player.
<
sometimes Dolby 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.
Hum on the analogue input
<
all cables are making a good connection. If necessary withdraw the cable
from the connector and plug it fully in again (turn the power off before doing
this).
<
the connections inside the source cable connector are not broken or badly
soldered.
<
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.
There is radio or television
reception interference
<
where the interference is coming from. Switch off each source component in
turn, then any other equipment. Most electronic equipment does generate
low levels of interference.
<
try re-arranging cabling from the nuisance source away from other cabling.
<
ensure that the cabling used is high quality, specified for its purpose, and is
properly screened.
<
if the problem persists, contact your dealer.
Problem
Check that...
The source switching changes
randomly or freezes on one
source
<
there are no static or impulse interference problems caused by nearby power
equipment switching, e.g., heating or air conditioning control. Switch the
AVR850/AVR550/SR250 off, wait ten seconds, then switch it on again to
clear an operating problem. Contact your installer if the problem returns or
persists.
<
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
<
the ‘max on volume’ setting is not set too high.
When a USB memory device is
connected, ‘USB’ is not shown
in the network client’s list of
folders
<
a USB memory device is connected that conforms to the mass storage class.
<
a USB hub is not being used.
If files on a USB memory
device cannot be played:
<
the USB device is formatted in FAT16 or FAT32.
<
the USB device does not have multiple partitions.
<
the files are in a compatible format.
If files on a computer cannot
be played
<
the files are in a compatible format.
<
the computer is connected via a network and not USB – the AVR850/
AVR550/SR250 USB port cannot be used for a direct connection to a
computer
If you cannot connect to a
wired network
<
the Ethernet cable you are using is correctly connected between the AVR850/
AVR550/SR250 and the network hardware.
<
the network is set up for fixed IP addressing and you have the AVR850/
AVR550/SR250 set to use DHCP.
<
the network is set up for DHCP and you have the AVR850/AVR550/SR250
set to use fixed IP addressing.
If you cannot connect to a
favourite internet radio station
<
the station is still broadcasting or is not congested – try again later.
If the internet radio station
sound quality is poor or broken
<
the radio station does not have a low bit rate (use the
INFO
key to find this or
look on the OSD).
<
the network is not slow or congested.
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