Troubleshooting - Cambridge Audio Azur 351R User Manual

Troubleshooting

A low hum or buzz sound can be heard
Power cords or lighting placed near this product.
Analogue inputs not connected securely.
Sound is not audible from one or more channels
Speaker connections disconnected.
Speaker set to "None" in OSD setup menu.
Sound cuts off when listening to music or there is no sound even though
power is ON
Speaker impedance is less than prescribed for the 351R.
The unit is not adequately ventilated and may be overheating.
Low bass or "phasey" response
Speaker polarity (+/-) of one or more speakers is reversed.
An unusual hissing noise is heard when listening to a
radio broadcast in stereo, but not heard when listening
in mono
A slight noise may be heard because the method used for modulation of FM
stereo broadcasts is different than that used for mono broadcasts.
Aerial quality also effects the level of hiss heard.
Noise is excessive in both stereo and monaural radio
broadcasts
Poor location and/or direction of the antenna.
Transmitting station is too far away.
No sound from the rear speakers
Source being played is not recorded in surround sound.
Speaker/s set to "None" in OSD setup menu.
A stereo mode has been selected.
No sound from the centre speaker
Centre speaker has been set to "None" in OSD setup menu.
A stereo mode has been selected.
No sound from the subwoofer
Sub has been set to 'Off' in the OSD setup menu or via the remote.
DTS Neo:6, DD Dolby Pro Logic II modes (which have no LFE channel) have
been selected with all speakers set to "Large" (and bass augment off).
Remote control is not working
The remote is too far from the receiver or out of the effective range.
No sound from speakers when connected to a digital
input or HDMI
Audio input type is set to analogue (check display). Press the Audio Input Type
button to switch to digital or HDMI.
No sound from speakers when connected to an analogue
input
Audio input type is set to digital. Press the Audio Input Type button to switch
to analogue (check display).
Audio input type can also be set in the Input/Output Setup menu of the OSD.
azur
Audio
Power Output All Channels : 70 watts rms per channel,
8 ohms (two channels driven)
All Channels : 50 watts rms per channel,
8 ohms (all 5 channels driven)
THD
Crosstalk
Frequency response 10Hz - 20kHz -1dB
S/N Ratio >80dB 'A' weighted
Audio Input Impedance / 47kOhms / 175mV or greater
Sensitivity
Digital Input Impedance
Tone Control
- Bass
- Treble
Tuner
- FM mode
HDMI
HDMI 1.4
EIA/CEA - 861D
HDCP 1.1
All audio modes supported except reception of native Direct Stream Digital
(DSD).
ARC and 3D-TV/deep colour pass through supported.
CEC and HEC not supported. (except as necessary for ARC)
General
Architecture Cirrus Logic CS42518 24 Bit 192kHz
capable CODEC for surround channels +
24 Bit 2 channel A/D conversion
Cirrus Logic CS497024 Dual 32 Bit DSP
for surround decoding
Audio Inputs 4 Line Level Analogue, FM Tuner, 2 Digital
Video Inputs 4 HDMI (1.4a)
Main Audio Outputs
1 RCA/Phono subwoofer output
Main Video Output 1 HDMI (1.4a)
Recording Audio Outputs 1 Line Level Analogue
Other connections 1 ¼" / 6.35mm Headphone Output
(32 To 600 ohms recommended)
1 RS232C
1 IEC type mains inlet
Standby power consumption <0.5w
Max power consumption 500w
Dimensions - H x W x D
Weight 8.2kg (18lbs)
351R
21