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Beocord 900 Disassembly - How?

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fkatze
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fkatze Posted: Fri, Jan 17 2020 1:34 PM

I'm trying to pull my Beocord 900 apart to get to the PCB.  I am mostly loose, but can't seem to get it all free of the case.  Is there instructions anywhere on how to get it apart?  I only have the schematic included in the case.  It looks a bit like maybe the sides need to come off, but I am unsure how it is meant to come apart, so asking before I break anything, as it is basically in good condition and will clean up well. 

Thanks!

Dillen
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Dillen replied on Fri, Jan 17 2020 1:36 PM

Normally you won't take out the PCB. It wasn't designed to be taken out.
Are you sure, you have to?

Martin

fkatze
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fkatze replied on Fri, Jan 17 2020 1:54 PM

Need to replace some caps and a couple of resistors.  Can't see how else I could do that without the board coming out, or at least the case outer coming off. 

Dillen
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Dillen replied on Fri, Jan 17 2020 1:59 PM

You can take off the top plate, the bottom plate and the tape drive.

Martin

fkatze
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fkatze replied on Fri, Jan 17 2020 2:06 PM

Oh right!  There were 4 screws but they are so rusted and black they look just like the rubber.  One of them actually just sheared off...

Thanks!

fkatze
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fkatze replied on Fri, Jan 17 2020 2:40 PM

From somewhere 2 pieces of black plastic fell out, and nowhere obvious that they belong...Erm..

Dillen
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Dillen replied on Fri, Jan 17 2020 2:42 PM

Photo?

Martin     

fkatze
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fkatze replied on Fri, Jan 17 2020 2:52 PM

The large part is about 18-19mm.

 

Dillen
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Dillen replied on Fri, Jan 17 2020 3:03 PM

From memory (I don't see Beocord 900s every day...);
Large part goes on the record/playback switch, catches a flat metal "fork" under the tape drive and helps activate the switch when RECORD is pressed.
Small part goes between the front panel rails - one each side.

Martin

fkatze
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fkatze replied on Fri, Jan 17 2020 10:49 PM

Thanks for that, info on these is a bit thin on the ground.  Either not popular or not many still going? I suspect it might actually be a pretty decent thing when fixed. 

Dillen
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Dillen replied on Sat, Jan 18 2020 7:43 AM

They are getting rare.
For being some of the earliest cassettedecks (at least from B&O), well-serviced ones are surprisingly good.

Martin

fkatze
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fkatze replied on Sat, Jan 18 2020 12:15 PM

I might have some questions coming up on how to adjust trim pots etc.  Confidence in this thing being good, or stupidity, led to me ordering a bunch of caps and bits and pieces for it, and the Beocord 8000 today.  Rubbers might need attention, but I'll wait until I see how it kicks over first.

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