Cambridge Audio 640A Manuale Utente

16  Azur integrated amplifier

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.

If channel LED is flashing turn mute off.

There  is  no  sound  on  one  channel

Ensure that balance control is in the correct position.

Check speaker connections.

Check interconnects.

TROUBLESHOOTING

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.

Protection  LED flashing

See section on CAP5 protection system.