Cambridge Audio Audio Players & Recorders - Recent Questions, Troubleshooting & Support

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Cambridge audio 640r surround receiver

Hi, I know this posting is now more than 10 years old, but what the heck! Just wanted to know if the poster of this was finally able to fix this? I got the blue dot problem now in 2024 after using the receiver very sparingly for more than 10 years! The guy I bought it from said he couldn't fix it and quoted all kinds of problems. Just found a new guy that said he could analyze the receiver and fix it. Will have more updates soon.
2/2/2024 10:15:44 AM • Cambridge Audio... • Answered on Feb 02, 2024
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550C CD player--CD door wont open or close. Gives error message--problem?

Check inside with the power off to see if the belt that drives the tray has come off.
12/20/2022 4:12:22 AM • Cambridge Audio... • Answered on Dec 20, 2022
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Does somebody know what kind of fuses are inside this amp ? or where to find service manual for Cambridge Audio Azur 540a V1

https://elektrotanya.com/cambridge_azur-540a_v2.0_sm.pdf/download.html
12/6/2022 8:54:03 AM • Cambridge Audio... • Answered on Dec 06, 2022
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Caimbridge audio amp right channel always dies

Stereo amps are two mono amps put together. So if you have a bad channel then you also have a good channel to compare it with. I suspect you have a faulty transistor. You can test it by proding the channels with a pen or your finger - touching plastic only parts. The two channels should buzz. If buzzs in the left then if you touch it in the right it should do the same. An alteration or change in the sound in the right and you have found the faulty part.It's nothing to do with the power supply section so keep away from that!
11/3/2022 5:11:00 AM • Cambridge Audio... • Answered on Nov 03, 2022
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Cambridge azur 650R shows "PROTECT" after Volume more than 1/4, protection-relay works, loudspeakers&cable are o.k, WHY?/Solution (relay broken)?

What ohm rating does the receiver have and what ohm speakers are you connecting. If the receiver is rated for 8 ohm speakers and you are connecting 4 ohm speakers, you are overdriving the amplifier. This will cause the protection to trip. Also make sure your speakers polarity are matched. If they are out of phase this may also cause a problem.
10/18/2022 3:23:31 AM • Cambridge Audio... • Answered on Oct 18, 2022
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The left channel in my cambridge azur 640

have the volume control cleaned by a spray of electronic contact cleaner. If the carbon coating material is already wiped-out due to use, have the part replaced
5/19/2022 10:16:49 PM • Cambridge Audio... • Answered on May 19, 2022
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Is anyone aware of any common problems with Cambridge Audio Minx X200 Subwoofer?

A video that might help on Minx Go and a link to Cambridge Audio Support. https://www.google.com/search?q=Cambridge+Audio+minx+x200+subwoofer+no+power ..
2/13/2022 8:40:39 PM • Cambridge Audio... • Answered on Feb 13, 2022
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DC error Cambridge audio amplifier

For model AZUR 740A with random DC-error on display after power on. Only several resets will be a solution, but not for long !! Behind the rear panel is a small pcb with 2 relays which switch the transformer AC output to the rectifiers of each amp channel Relays are branded " MASSUSE", type ME-11,with a 12VDC coil, contacts 8A / 250VAC They are DPDT type.( double pole double throw) Contacts will detoriate ( burned) after several years. Replacing these relays by a good model ( Schrack i.e.) will be the final solution to get rid of the DC-error problem and will save your speakers !! The pcb can be removed without disassemling the rear cover, only the top cover is enough, but this is with very tiny TORX screws.You need a very small fitting tool.
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Cambridge Audio Azur 640A on/off problems

Find out what is causing the protection light to turn on. Troubleshot down to the component level.
9/6/2021 5:55:56 AM • Cambridge Audio... • Answered on Sep 06, 2021
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I have tuner AUDIO CAMBRIDGE

The question is - what can cause the problem seen on the photo below? CA Azur 640T - shows only the symbols after switching it on. tuner-audio-cambridge-1tdyncq0auxambxk4y5ggead-4-0.jpg
2/1/2021 3:49:25 PM • Cambridge Audio... • Answered on Feb 01, 2021
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I am getting a dc

I repair these but I found most of the tech info on the user blogs on line
Check by entering some of the amp name into a search engine
I've been in touch with the designer of some of their amps and there are quite a few updates now
10/26/2019 7:18:23 AM • Cambridge Audio... • Answered on Oct 26, 2019
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I have cambridge azur540a, it observed low noise and left channel heating without speaker connection.

Hi Veeranjaneyulu, control the output transistors, they are Darlington type, exciters and preexciters I send you the service manual link, version 2 (V2) Greetings Franco Dosil Hola Veeranjaneyulu, controla los transistores de salida, son del tipo Darlington, los excitadores y preexcitadores Te envio el link del manual de servicio, de la version 2 (V2) Saludos Franco Dosil https://www.manualslib.com/manual/813039/Cambridge-Audio-Azur-540a-V2-0.html
9/25/2019 5:48:20 PM • Cambridge Audio... • Answered on Sep 25, 2019
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Topaz CD10 Cambridge Audio CD player - shows loading and then returns no disk error. Tried multiple disks all of which I have played before and always get the same error

Hello Shediran, it is very possible that the reader is generating the problem Try cleaning the reader lens with a cotton swab with alcohol, if possible a minimum amount of alcohol, clean and dry with another dry swab Test if the problem is solved, but I suggest you look for a specialized technical service I hope you can solve the problem Greetings Franco Dosil Prueba limpiar la lente del lector con un hisopo de algod?n con alcohol, en lo posible una m?nima cantidad de alcohol, limpias y secas con otro hisopo seco Prueba si se soluciona el problema, sino te sugiero que busques un servicio t?cnico especializado Espero puedas resolver el problema Saludos Franco Dosil https://techsupport.cambridgeaudio.com/hc/en-us/article_attachments/200290082/Topaz_CD10_User_Manual_English.pdf https://techsupport.cambridgeaudio.com/hc/en-us/article_attachments/200281051/Topaz_CD10_User_Manual_Spanish.pdf
7/5/2019 3:14:33 AM • Cambridge Audio... • Answered on Jul 05, 2019
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Amplifier shows dc error and then reset

Fault at power output stage, add more information to help better.
5/31/2019 4:00:14 AM • Cambridge Audio... • Answered on May 31, 2019
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Where can I get a service manual?

If you search Google there are a couple of sites offering it. But it might also be similar to the 640 version, which there is a free PDF of it, that is much easy to access than the other sites offering the 650. Plus some of these (650) sites are old so the links to the file might be absent, or have virus infections.
5/15/2019 5:42:30 AM • Cambridge Audio... • Answered on May 15, 2019
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Azur 640a ver1. when i first switch on the left hand is distorted it takes a while before it settles down.

The first thing I would try is swapping the speaker wires on the back of the amp and see if the problem moves as well. Then you know what your speakers or speaker wire. If that's not the case, then try switching the left and right
from your sources and see if the problem follows. This should get you a pretty good idea of what's wrong
1/20/2019 4:03:05 PM • Cambridge Audio... • Answered on Jan 20, 2019
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CAMBRIDGE AUDIO AZUR 640A: when i switch the unit on the left hand channel is distorted. after a few minutes it settles down and is ok from there on in.

The first thing I would try is swapping the speaker wires on the back of the amp and see if the problem moves as well. Then you know what your speakers or speaker wire. If that's not the case, then try switching the left and right
from your sources and see if the problem follows. This should get you a pretty good idea of what's wrong
1/20/2019 3:40:13 PM • Cambridge Audio... • Answered on Jan 20, 2019
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