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hare011
New Member
Last Activity: 01-07-2024, 01:55 PM
Joined: 04-23-2017
Location: Belgrade
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  • Unfortunately, replacing the capacitors C1 and C171 on the amplifier's board didn't resolve the issue. It seems like the problem might be more complex or located elsewhere within the circuitry.Any ideas what could be wrong?...
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    Last edited by hare011; 12-03-2023, 02:58 AM.

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  • What prevents me from replacing those capacitors is that they are located on the mainboard, and everything needs to be disassembled to reach them. My AVR works all day, and I haven't noticed any other issues."
    ​Should I cut the old capacitors with pliers without removing them from the motherboard and solder the new ones over the old? If the repair succeeds, I will solder them properly."
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    Last edited by hare011; 11-25-2023, 03:46 PM.

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  • Yeah, I noticed that the board and components were still warm when I initially tested the AVR after the repair.
    The problem occurring in the morning when the AVR is switched on and cold suggests there might be an issue related to the initial startup, and you might be right about the bad capacitor causing this.
    I'm considering replacing the capacitors as you suggested; it's a logical step given the circumstances....
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  • Re: CA Azur 650R volume problem at start

    An interesting observation I've made is that this issue seems to occur predominantly when the AVR is cold. When it's running hot, this problem doesn't seem to manifest.

    However, I've discovered a temporary workaround that might help. Before turning off the AVR, try switching the input to a source with no sound, such as CD or another inactive input. Doing this seems to bypass the issue, preventing the sudden half-second max volume at the start when turning the AVR back on.
    This workaround might not solve the underlying...
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  • Re: CA Azur 650R volume problem at start

    However, today, unfortunately, the problem resurfaced. Despite replacing the capacitors, problem with volume have returned.I'll be attempting to replace additional capacitors as advised. I'll keep the community updated with the results.
    Best regards,

    Hare
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  • Re: CA Azur 650R volume problem at start

    Today, with some free time on my hands, I decided to investigate an issue with my AVR Azur 650R. Upon inspection, I discovered a suspicious swollen appearance on the decoder board.
    After replacing capacitors C60 (3300uF/10V) and C105 (2200uF/16V) on the decoder board of my AVR Azur 650R, all the problems I experienced have been completely resolved. The unit is now functioning perfectly, indicating that the capacitor replacement effectively addressed the underlying issue.

    Feel free to ask if you need further details...
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    Last edited by hare011; 11-19-2023, 04:28 PM.

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  • Re: CA Azur 650R volume problem at start

    It sounded very good in stereo mode considering it is an avr. I read somewhere that it has an audiophile dac, whatever that means. It has a large torus transformer and very bad capacitors (chang). I changed some but it didn't help. I think they cause a problem, but there are so many of them that it is not worth replacing them.
    Let me know if you find out anything.


    Yes, that was me
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  • CA Azur 650R volume problem at start

    Hi,
    I've got an approx. 13 year old Cambridge Audio Azur 650R AV-receiver. Everything works fine, but when I turn it on, it'll make a very loud sound (f.ex if it is on FM/AM), seems on max. volume for about 1 sec. then It'll turn down to the normal (where the volume control were set).Here is a video of the unit powering up - [URL="https://mega.nz/file/ZIAnQKga#esQkO9Dq2RVQVA1R68WKHX2g4c54uqL18-IHmltm0bw"]https://mega.nz/file/ZIAnQKga#esQkO9Dq2RVQVA1R68WKHX2g4c54uqL18-IHmltm0bw[/URL]
    Any ideas for how to resolve this is much appreciated!
    Best regards,
    Da...
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  • Re: New Members - please post your introductions here

    Hello to everybody!
    Thanks to let me in.
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