espresso_fanatic

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29 September 2023 at 05:36 in reply to: BeoLab 8000: high frequency noise disturbs switching to OFF #48885
espresso_fanatic
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I recently redid the entire board and found some possibly helpful notes:
– Check C6, 22 uf. When this capacitor gets drained, it seems to switch the speaker into standby mode. This might be bad given its age.
– IC1 could have gone bad but I suspect the capacitor more than IC1. Desoldering SMD components is quite trick as well.
13 September 2023 at 09:02 in reply to: BeoLab 8000: high frequency noise disturbs switching to OFF #48883
espresso_fanatic
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I wish I had a solution here. I have a pair of BeoLab 8000’s as well and one of them exhibits the same issue. It toggles very quickly and has some high frequency noise like you mentioned. I am in the process of repairing the amplifier in hope of finding where the noise is coming from.
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