beomaster 3300 power issue -

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Latest post 08-20-2007 6:14 AM by ProGram. 1 replies.

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08-19-2007 5:58 PM

burantek
Joined on 05-04-2007
SE USA
Posts 6,214

beomaster 3300 power issue

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hi all,

below is a *bump* from the general forum. i decided to repost it here in hopes that someone might have some advice.

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just came into possession of a bm3300. it will not power up. checked the fuses, everything is fine and clean. i could find nothing obvious... any thoughts?

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i just had it apart again out of frustration -same story. i get nothing out of it -no standby light -nothing. i have the service manual, but was hoping that someone might have a listable methodology as to testing.

as always, thx in advance!

B&o bottle opener

Filed under: beomaster 3300

08-20-2007 6:14 AM In reply to

ProGram
Joined on 06-01-2007
NRW, Germany
Posts 145

Re: beomaster 3300 power issue

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Hi Jeff!

You're lucky having a manual. I do not and cannot find in beoworlld either. Best method to test: find out the power-supply: Usually, it is running all time, so you should measure a resistance in the powerlead. (some hundred ohms; is there a primary on-off-switch?). Just tip at the mains-plug. If there is no value, the transformer is broken. To be sure, you can measure the transformer itself. In most cases there is a built-in thermo-fuse and sometimes, it can be replaced. If the transformer is working, go on looking for the supply- voltages eg.: 12V, 5V, those for the controller. Maybe a rectifier?...

Good luck !

Chris

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