Manual Arcam AVR450 (page 24 of 206) (English, German, Dutch, French, Italian, Spanish)

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English

trouble-

shooting

Problem Check that...

ere are no lights on the unit

the power cord is plugged into the AV950/AVR750/450/380 and the mains

socket it is plugged into is switched on.

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

there are fresh batteries in the remote control.

the front panel window is visible and you are pointing the remote control

towards it.

e front panel display is

blank

the display hasn’t been turned o. 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 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.

the correct video input is selected on the AV950/AVR750/450/380.

the ‘Video Source’ has been set correctly in the ‘Input Cong.’ menu

the video source is on, is operating normally, and is in ‘play’ mode if

appropriate.

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.

TestthisbypressingandholdingtheOKkeyformorethanthreesecondsto

force 480p / 576p output resolutions.

ere are bright edges or

‘ghosts’ on the picture

the cables used for analogue video connections are designed to carry video

(i.e., they are 75Ω coaxial cables).

ensure the ‘sharpness’ control on your display device is switched o or set to

near minimum.

for HDMI connections, try using a shorter cable or alternatively a dierent

brand.

No sound is produced

the correct input has been selected.

the ‘Audio Source’ has been set correctly in the ‘Input Cong.’ 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 AV950/

AVR750/450/380 is not in mute mode.

e sound is poor or distorted

you have not excessively increased the input sensitivity (i.e. reduced the

maximum input signal voltage) in the Input Cong. 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 congured 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:

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

Digital BD, the AV950/

AVR750/450/380 selects Dolby

Pro Logic

you have a digital connection from your BD player.

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

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).

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.

Problem Check that...

ere is radio or television

reception interference

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.

try re-arranging cabling from the nuisance source away from other cabling.

ensure that the cabling used is high quality, specied for its purpose, and is

properly screened.

if the problem persists, contact your dealer.

e 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

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.

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 Zone2 is put into

standby, the main zone is also

switched o

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

a USB memory device is connected that conforms to the mass storage class.

a USB hub is not being used.

If les 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 les are in a compatible format.

If les on a computer cannot

be played

the les are in a compatible format.

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

the Ethernet cable you are using is correctly connected between the AV950/

AVR750/450/380 and the network hardware.

the network is set up for xed IP addressing and you have the AV950/

AVR750/450/380 set to use DHCP.

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

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 nd this or

look on the OSD).

the network is not slow or congested.

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Arcam AVR450 Manual

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