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Beosound 9000 CD problem.

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Tucker
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Atlanta USA
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Tucker posted on Mon, Jan 1 2018 8:49 PM
Hello all! Hope you had some great New Years celebrations! So to start the new year off right I took out my Beosound 9000 MK1 from being in storage for a long while. It powers up fine however I am experiencing a few problems. When trying to play a CD it clamps the CD then just sits there for a few seconds, then get a sound like the electric motor is trying to spin the CD but nothing happens. Then the unit shuts off and restarts itself. Is the CD motor bad? If so has anyone here replaced one before?

Another separate problem is the volume when playing through Aux or radio. The BS9000 is connected to a pair of Beolab 4000 and I have to crank the volume to the max level to barely hear anything through the speakers. Any ideas on that as well?

Thanks in advance for any help!

-Tucker

Beosound 9000 MK I, Beosound 9000 MK II, Beosound 2300, Beosystem 2500, Beosound Century, Beomaster 5000, Beogram 5005, Beogram 1800,  Beolab 8000, Beolab 5000,  Beolab 4000, Beovision 8-32, Beovision 4-65, Beovox S45-2, Beoplay S3, Beoplay E8.

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Hungedu
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Same thing happened to mine about 14 years. I had to replace the CD laser mechanism.

BeoLab 5, BeoVision 7-55 MK2, BeoSound 5 Encore, BeoSound 9000, BeoLab Penta III, BeoLab 8000, BeoLab 6000, BeoLab 2, BeoLab 7-6, BeoSound 8, LC-1, BeoTime (analog clock), Beo 4 remote.

solderon29
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The line level input on BS9000 as with other B&O kit is rather insensitive when used with non B&O accessories.You'll need to crank up the output level of your Aux device.Does it have RCA(phono) and 3.5mm jack connections?Try another route?

The cd symptons are typical,but as the unit has been in store,the cd laser lens may be "foggy" and simply need cleaning.

Replacement lasers for the Mk1 are becoming scarce too.

Do you have a B&O techie nearby that could take a look at the unit for you?

Nick

seethroughyou
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Have you removed the transit bolts that you put in before putting it into storage?
seethroughyou
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Have you cleaned the laser lens with some cotton wool and isopropyl alcohol?
Tucker
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So I have fixed the low volume problem.  The radio and ipod through Aux works great.  Now just the CD problem....

Beosound 9000 MK I, Beosound 9000 MK II, Beosound 2300, Beosystem 2500, Beosound Century, Beomaster 5000, Beogram 5005, Beogram 1800,  Beolab 8000, Beolab 5000,  Beolab 4000, Beovision 8-32, Beovision 4-65, Beovox S45-2, Beoplay S3, Beoplay E8.

Tucker
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Atlanta USA
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seethroughyou:
Have you cleaned the laser lens with some cotton wool and isopropyl alcohol?

I did try cleaning the lens with a Q-tip and isopropyl alcohol, however I don't think it was very efficient due to the limited gap between the laser and the clamper...  

Is there a way to gain easier access to the laser for cleaning?  

Thanks to everyone for the help!  I greatly appreciate it. 

-Tucker

Beosound 9000 MK I, Beosound 9000 MK II, Beosound 2300, Beosystem 2500, Beosound Century, Beomaster 5000, Beogram 5005, Beogram 1800,  Beolab 8000, Beolab 5000,  Beolab 4000, Beovision 8-32, Beovision 4-65, Beovox S45-2, Beoplay S3, Beoplay E8.

Peter
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Peter replied on Wed, Jan 3 2018 5:04 PM

I have asked one of Beoworld senior members if you can clean laser using Test Mode 65. So far no answer. I actually disassemble clamper arm to do that

Tucker
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Peter:

I have asked one of Beoworld senior members if you can clean laser using Test Mode 65. So far no answer. I actually disassemble clamper arm to do that

Peter, What is "Test Mode 65"? 

I may attempt a disassembly of the the clamper to inspect and clean it more thoroughly.  Do you have any tips?

Thanks!

-Tucker

Beosound 9000 MK I, Beosound 9000 MK II, Beosound 2300, Beosystem 2500, Beosound Century, Beomaster 5000, Beogram 5005, Beogram 1800,  Beolab 8000, Beolab 5000,  Beolab 4000, Beovision 8-32, Beovision 4-65, Beovox S45-2, Beoplay S3, Beoplay E8.

Joe
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Joe replied on Thu, Jan 4 2018 12:49 AM
So did mine, same symptoms as mentioned by other poster, had the laser mechanism replaced, it all works fine to this day! I doubt cleaning will help. My repair shop said the laser tested “weak”, replaced and as good as new now. Good luck, hope you can find a replacement?
Jeff
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Jeff replied on Thu, Jan 4 2018 2:16 AM

Tucker, Benny Amina is up in Roswell west of Atlanta. I can look up his info if you need it, just PM or email me. For cleaning the laser I use a CD that has little brushes on it and automatically moves to the right place when you play it, might check Amazon for something similar. 

Jeff

Beovirus victim, it's gotten to be too much to list!

Peter
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Peter replied on Sat, Jan 6 2018 12:28 PM

Test mode 65 probably moves laser to the outermost position so perhaps it can be cleaned without dismantling clamper arm. But I didn't tried it so far therefore I was asking if someone already tried that.

As to laser optics cleaning believe me I did a big reserch and generally laser in most cases is not "wearing up" but is rather dirty. Do not even think about using any special cleaning disk. Use something to clean ears and a liquid consisting of 70% distilled water and 30% isoprophyl alkohol + one small drop of washing detergent. Then wipe the optics with microfibre cloth and let it dry out to prevent moisture shortcutting focusing wires. Then try to play.

Tucker
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Tucker replied on Sat, Jan 6 2018 10:15 PM
Upon further inspection and comparing my other BS9000 that is wiring well, I have found that the first thing the good BS9000 does after moving to the selected disc is release the clips on either side of the disc. The BS9000 in question is not releasing the CD from its side clips. I assume this is the main problem? Has anyone ever seen this before?

Beosound 9000 MK I, Beosound 9000 MK II, Beosound 2300, Beosystem 2500, Beosound Century, Beomaster 5000, Beogram 5005, Beogram 1800,  Beolab 8000, Beolab 5000,  Beolab 4000, Beovision 8-32, Beovision 4-65, Beovox S45-2, Beoplay S3, Beoplay E8.

Beobuddy
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Does the sledge move to selected cd? No, check motor control.

Does it select the proper cd? Check motor inside sledge. which releases/takes cd. Maximum drawn current 0,030A. (free without torque)

Tucker
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Atlanta USA
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Beobuddy:

Does the sledge move to selected cd? No, check motor control.

Does it select the proper cd? Check motor inside sledge. which releases/takes cd. Maximum drawn current 0,030A. (free without torque)

It moves to the selected disc perfectly, it just does not "grab" the disk.  The CD just stays locked in the 2 black side clamps while it tries to play it.

Does anyone know of a thread about taking apart the clamper/sledge, or have any personal experience?

Thanks!

Beosound 9000 MK I, Beosound 9000 MK II, Beosound 2300, Beosystem 2500, Beosound Century, Beomaster 5000, Beogram 5005, Beogram 1800,  Beolab 8000, Beolab 5000,  Beolab 4000, Beovision 8-32, Beovision 4-65, Beovox S45-2, Beoplay S3, Beoplay E8.

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