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Beosound 9000 Mk1 Dead

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Doug
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Minnesota
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Doug posted on Wed, Jul 5 2017 5:26 PM

I have recently become the owner of a Beosound 9000 Mk1 (Model 2523).  It has very good physical appearance but is completely dead on the electronics.  I have opened it up and found this:

The standby light is not lighting.

The transformer is putting out about 10 VAC

The 3 fuses are all good.

There is about 4.8 VAC on BOTH sides of the fuse "sockets".  That seemed strange to me.

I followed the trouble shooting guide for a Mk3 and removed several of the ribbon cables.  I did not get any standby light.  Was I to remove each one individually and then reinstall it or pull the all off?  I did each one individually. 

I suspect that there is no DC voltage being created anywhere on the power supply but I do not know where to take test measurements.  There appear to be enough differences between the MK1 and MK3 that I could get in deep trouble without the right manuals.

So my options are:

1) Hang it on the wall and let it look pretty.  Tell stories of how it would operate if it was not dead.  That would make me sad.

2) Hope for a miracle answer and simple repair from this forum.  That would be great.

3) Send it to B&O and spend the kids college fund getting it repaired.  That would make me poor.

4) Some option I have not considered?

Thanks!

 

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Maurice
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Maurice replied on Fri, Jul 28 2017 12:54 AM

HI i take you mean 3TR37 so you are checking sipply to the power switching PCB33 if i have understood your comment correctly i bow to your superior knowledge  i was aiming at certain trees in the woods not looking at the overall pic so to speak thanks for pointing that out

regards Maurice

Doug
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Doug replied on Fri, Jul 28 2017 9:12 PM

I have 13vdc on the top and bottom leads of TR37.

robcampman
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Hi, was wondering if you managed to fix this. I picked up a dead beosound 9000 yesterday and this thread seems to be the only infosource on this model. Would love to get some tips on where to look for.

knastaksel
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What if the stand-by led now work again , and radio work but not CD and display ?

Keith Saunders
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Little Ann, Hampshire, United Kingdom
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robcampman:
Hi, was wondering if you managed to fix this. I picked up a dead beosound 9000 yesterday and this thread seems to be the only infosource on this model. Would love to get some tips on where to look for.

You will need to provide more information about the fault you have on your BeoSound 9000 and what "Mark" or "Type" number it is?

I suggest you start a new thread with full details of your problem.

Regards Keith....

Keith Saunders
Top 25 Contributor
Little Ann, Hampshire, United Kingdom
5,097 Posts
OFFLINE
Founder
Moderator

knastaksel:

What if the stand-by led now work again , and radio work but not CD and display ?

Again, please provide more detail in particular which version of BeoSound 9000 you are talking about.

You can only receive quality answers if you provide as much detail as possible..

 

Regards Keith....

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