Cambridge Audio Azur 540A protection mode

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Hi all,

I am struggling with my CA azur 540A. Every time turning on, I lost its left channel after 15mins, no sound at all even using head phone. Although the protection light is not on, some people suggest that it is due to protection mode.

My question is that are their suggestion right? and if so how can I get rid of this mode.

Please help
Thanks
 
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This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.