BeoLab 4000 mkII schematics

in General Discussion & Questions · Feb 17, 2022 08:31 GMT

Hallo Jef, De slechte soldeerverbinding was optisch niet te onderscheiden van de goede soldeerverbindingen. Door met een multimeter diversen SMD weerstanden door te meten kwam ik toevallig op een weerstand waarvan de gem…

BeoLab 4000 mkII schematics

in General Discussion & Questions · Oct 11, 2020 17:25 GMT

That solved it! A bad solder joint on the main PCB. Thanks a lot! Regards, Richard

BeoLab 4000 mkII schematics

in General Discussion & Questions · Oct 7, 2020 07:58 GMT

Besides a small humming sound in both, one speaker makes a cracking noise...but not always. Sometimes it plays for minutes without any disturbances.

BeoLab 4000 mkII schematics

in General Discussion & Questions · Oct 6, 2020 08:23 GMT

Dear all, I have a pair BeoLab 4000 mkII speakers that have a problem. I downloaded the Service Manual but unfortunately no schematics, only a block diagram. Is there perhaps someone that can help me with the schematics …