Cambridge Audio Azur 540A V2 User Manual

Integrated amplifier

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Service manual (42 pages)

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Summary of Contents for Cambridge Audio Azur 540A V2

Page 1 azur 540A/640A V2.0 Integrated amplifier User’s manual...
Page 2: Table Of Contents
CONTENTS Introduction ...3 Safety precautions ...4 Important safety instructions ...5 Rear panel connections...6 Connecting...8 Front panel controls...10 Remote control...12 Custom installation use ...12 Multi-Room ...13 CAP5 protection system ...14 Troubleshooting...16 Technical specifications ...17 Limited warranty ...18 2 Azur integrated amplifier...
Page 3: Introduction
Incognito Ready / Custom Install Use Both the 540A V2.0 and 640A V2.0 now feature outputs for the new Cambridge Audio Incognito system. By plugging in one or two external Incognito Keypads and a power supply unit your V2.0 amplifier can become the hub of a simple multi-room system.
Page 4: Safety Precautions
3 amp fuse inside. If it is necessary to change the fuse, it is important that a 3 amp one is used. If the plug needs to be changed because it is not suitable for your socket, or becomes damaged, it should be cut off and an appropriate plug fitted following the wiring instructions below.
Page 5: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS Please take a moment to read these notes before installing your Azur amplifier, they will enable you to get the best performance and prolong the life of the product. We advise you follow all instructions, heed all warnings and keep the instructions for future reference.
Page 6: Rear Panel Connections
Caution Risk of electric shock. Do not open. Connect the wires from your left channel loudspeaker to the LEFT + & - terminals, and the wires from the right channel loudspeaker to the RIGHT + & - terminals. In each case, the red terminal is the positive output and the black terminal is the negative output.
Page 7 Multi-room PSU - Connect an Incogntio PS5 to supply power to the connected multi- room keypads/speakers. Keypad 1/2 - Connect one or two Incogntio A-BUS KP10 keypads (or other A-BUS compatible keypads) using CAT5/5e cable. Incognito AS10 Active Ceiling Speakers can also be connected here.
Page 8: Connecting
CONNECTING When designing our amplifiers we have tried to include features that allow you to connect your system in various ways. The inclusion of features such as Pre-Out and Speaker B connections mean that you can flexibly configure your system depending on your requirements. The following diagrams are designed to make connection easy.
Page 9 Speaker B connections The Speaker B connections on the back of the amplifier allow for a second set of speakers to be used (ie speakers located in another room). The Speaker B button on the front panel allows this second set of speakers to be switched on and off.
Page 10: Front Panel Controls
FRONT PANEL CONTROLS Bass Protection Standby / On Phones Speaker B Direct Standby/On Switches the unit between Standby mode (indicated by dim power LED) and On (indicated by bright power LED). Standby is a low power mode where the power consumption is less than 10 Watts. The unit should be left in Standby mode when not in use.
Page 11 Use to increase/decrease the level of the sound from the outputs of the amplifier. This control affects the level of the loudspeaker output, the pre-amp output and the headphone output. It does not affect the Tape Out connections. It is advisable to turn the Volume control fully anti- clockwise before switching the amplifier on.
Page 12: Remote Control
“Mute on” command will be generated. If the button is kept held Tape down for a further 12 seconds, a “Mute off” command is generated. A full code table for this product is available on the Cambridge Audio website at www.cambridge-audio.com.
Page 13: Multi-Room
The Incogntio LR10 can fully control the keypads, “learn” the source's remote controls and change source input on the amplifier etc. For full details on the Incognito multi-room system please contact your local Cambridge Audio dealer. 540A/640A V2.0 Integrated amplifier / A-BUS...
Page 14: Cap5 Protection System
CAP5 - FIVE WAY PROTECTION SYSTEM Cambridge Audio has developed a proprietary protection system to ensure reliability and a long life to its amplifiers. This protection system comprises of five main protection methods: 1. DC detection Indicator - Unit has switched off during operation, protection LED constantly flashes in single bursts.
Page 15 4. Short circuit detection Indicator - Unit has switched off during operation, protection LED flashes constantly in bursts of four. Description - During power up from Standby CAP5 performs a check on the loudspeaker terminals to see if a short across the terminals has been accidentally introduced.
Page 16: Troubleshooting
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.
Page 17: Technical Specifications
<0.070% 20Hz - 20kHz, of rated power <0.025% 20Hz - 20kHz @ 10w Frequency response (-1dB) 5Hz - 50kHz S/N ratio (ref 1w) >85dB Input impedances 47kohms Power Amp damping factor >100 Max power consumption 650w Min/On power consumption <35w (no signal) Standby power consumption <10w Bass/Treble controls Shelving, ultimate boost/cut + /-7.5dB...
Page 18: Limited Warranty
If your dealer is not equipped to perform the repair of your Cambridge Audio product, it can be returned by your dealer to Cambridge Audio or an authorised Cambridge Audio service agent. You will need to ship this product in either its original packaging or packaging affording an equal degree of protection.
Page 19 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.
Page 20 azur 540A/640A V2.0 www.cambridge-audio.com Part No. AP18376/2...

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Cambridge Audio Azur 540A V2 User Manual

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