BM7000 humming

4 replies
TH
theoz
Gold
171 posts
Posted February 9, 2024 at 06:50 GMT ? Edited May 4, 2024 at 21:37 GMT
#688603
Hi, my beomaster 7000 is humming. What can i do ?   Thanks Theo

Location: Strasbourg / France

My B&O Icons:

BeoCenter-9500.png BeoCenter-9500.png
Beoremote-Beo4.png Beoremote-Beo4.png
Beovox.png Beovox.png
Beoplay-Form-2i.png Beoplay-Form-2i.png
Beomaster.png Beomaster.png
Beolab-18.png Beolab-18.png
Beogram-400x.png Beogram-400x.png
GL
Glitch
Bronze
395 posts
Posted February 9, 2024 at 19:33 GMT ? Edited February 9, 2024 at 19:53 GMT
#707472
TH
theoz
Gold
171 posts
Posted February 12, 2024 at 09:32 GMT
Hi, it's coming from the chassis, when power is Off   Thanks Theo

Location: Strasbourg / France

My B&O Icons:

BeoCenter-9500.png BeoCenter-9500.png
Beoremote-Beo4.png Beoremote-Beo4.png
Beovox.png Beovox.png
Beoplay-Form-2i.png Beoplay-Form-2i.png
Beomaster.png Beomaster.png
Beolab-18.png Beolab-18.png
Beogram-400x.png Beogram-400x.png
DI
Dillen
BronzeModerator
12821 posts
Posted February 12, 2024 at 11:29 GMT
#707539
It's the transformer. Take it out, mask things off, soak it in lacquer under vacuum. Then let it dry in 50degC for 24h. Fit it back with new rubber mounts. Martin
or
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