Cambridge Audio Azur 740A user manual Troubleshooting, Technical specifications

Troubleshooting

azur 740A

Technical specifications

There is no power

Ensure the AC power cord is connected securely.

Ensure the plug is fully inserted into the wall socket and is switched on. Check fuse in the mains plug or adaptor.

There is no sound

Make sure the unit is not in Standby mode.

Check that source component is properly connected.

Check that 'TAPE MON' is not switched on (unless tape input is required). Check that your speakers are properly connected.

Power Output

THD (unweighted)

Frequency Response S/N ratio (ref 1W/8 Ohm) Input impedances

100W RMS into 8 Ohms

150W RMS into 4 Ohms

< 0.001% 1 kHz

at 80% of rated power

<0.01% 20 Hz - 20 kHz at 80% of rated power

10 Hz - 50 kHz +/- 1 dB

> 96 dB

Inputs 1-6 47 kOhm

Tape Input 47 kOhm

ENGLISH

If using Speaker B terminals check they are switched on. Make sure unit is not in mute mode.

There is no sound on one channel

Ensure that balance control is in the correct position.

Check speaker connections.

Check interconnects.

There is a loud buzz or hum

Check turntable or tone arm for ground and connection lead fault. Ensure no interconnects are loose or defective.

Ensure that your tape deck/turntable is not too close to the amplifier.

Unable to make or play tape recordings

Check that TAPE MON and TAPE OUT have been connected correctly.

There is weak bass or diffused stereo imaging

Ensure that speakers are not wired out of phase.

Message on display flashing

See section on CAP5 protection system.

The remote handset will not function

Check that the batteries have not expired.

Ensure that nothing is blocking the remote sensor.

Check that the Front Panel IR dip-switch on rear panel is set to ‘On’.

No response from unit when both In and Out Control Bus sockets are connected

Set Control Bus Passthru dip-switch on rear panel to ‘Off’.

For more frequently asked questions (FAQs), technical advice and information on getting the most out of your 740A, please visit the Support section on Cambridge Audio’s website: www.cambridge-audio.com/support.php

For all servicing, in or out of warranty, please contact your dealer.

Power Amp damping factor	> 110 at 1 kHz
Max power consumption	750W
Minimum power consumption	Active (no signal) 45W
	Standby 6W
Bass & Treble controls	Shelving type
	Max bass boost/cut
	+/- 10 dB at 10 Hz
	Max treble boost/cut
	+/- 7.5 dB at 20 kHz
Dimensions (H x W x D)	115 x 430 x 350mm
	(4.5 x 16.9 x 13.8”)
Weight	10.7kg (23.5Lbs)

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