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BeoCenter 9000 CD player not working

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Cosman
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Cosman posted on Thu, Jan 21 2016 9:37 PM

Hi

I have been reading forum posts for hours, but still can't figure out what is wrong with my Beocenter 9000 CD player. It is a CDM 4 24.

I have opened it up, and when pressing "CD" on the glass panel, the laser head makes a rapid kick from full outer position to full inner position and back to full outer position again within a fraction of a second. Same time the CD holder makes a rotation forward and then backwards, also within a fraction of a second. Then the CD door motor runs for a second. Then the process starts over and repeats it self continuously without pressing CD, or anything.

Here is a link to a short video of the issue: https://youtu.be/gfKbmv2OTGg

Not sure this fits the descriptions of capacitor problems, or... Any views would be much appreciated.

Best regards,

Peter

 

 

 

Format: ???
Duration: 8 sek

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ProGram
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ProGram replied on Sat, Jan 23 2016 10:23 AM

Hi

besides the capacitors it can be a problem with cold solder joints on the main cd-pcb. It's funny, but I've had problems with the ground connections from the top to bottom side (piece of wire with solder in the middle) and voltage regulators.

Orava
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Orava replied on Sun, Jan 24 2016 10:34 AM

If have gosht of memory about SMD transistors on control board. Somewhere in 15v line, either + or -

 blah-blah and photographs as needed

Cosman
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Cosman replied on Mon, Jan 25 2016 12:27 PM

Thanks ProGram. I will have a look at this when I make my next attempt to fix :)

Br,

Peter

Cosman
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Cosman replied on Mon, Jan 25 2016 12:28 PM

Thanks Orava

I will have a look at that when I get another chance to investigate. 

Br,

Peter

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