Genius 740A user manual Troubleshooting, Technical specifications

Troubleshooting

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.

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’.

	azur	740A
Technical specifications
THD (unweighted)	< 0.001% 1 kHz		ENGLISH
Power Output	100W RMS into 8 Ohms
	150W RMS into 4 Ohms
	at 80% of rated power
	< 0.01% 20 Hz - 20 kHz
	at 80% of rated power
Frequency Response	10 Hz - 50 kHz +/- 1 dB
S/N ratio (ref 1W/8 Ohm)	> 96 dB
Input impedances	Inputs 1-6 47 kOhm
	Tape Input 47 kOhm
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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This guide is designed to make installing and using this product as easy as possible. Information in this document has been carefully checked for accuracy at the time of printing; however, Cambridge Audio's policy is one of continuous improvement, therefore design and specifications are subject to change without prior notice. If you notice any errors please feel free to email us at: support@cambridgeaudio.com

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