Beocenter 9000 CD decoder
14 replies
I am working on a Beocenter 9000 that has this CD decoder board.
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The Philips axial caps are shot. I cannot seem to find the the parts info in the service manual for the B&O or the CD mec. One is a 1µf 63volt. It is marked 1µ0M. There is a 2.2µf 53volt marked 2µ2M. The other four I think are .47µf or 4.7µ 25volt. They are marked 47µM. All the 47s test around 8µf and over 20Ω. If anyone knows for sure what they are please let me know.
Here is a closeup.
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Any input is welcome.
µ
Welcome to Beoworld!
I am guessing a bit here, but it looks very similar to the BC9500 decoder board. Have a look a the BC9500 service manual, which includes CD decoder circuit diagram and component list.
EDIT: BC9500 CD decoder was board discussed here - maybe swap notes!
Location: Warwickshire, UK
My B&O Icons:
The one with the lifted pin in the last photo is a 47uF 25V.
How do you test them, and with what?
Martin
It had the C2103 capacitor on the servo board issue. Once I had that fixed I started checking other boards. I know from past B&O repairs that these Philips caps have issues. These all tested bad and the main power supply caps were all leaking. TonyWhat did you fit as C2103 (brand/type)? MartinI will need to look and see what I put in there. I had to move the unit off the work station while I wait for the power supply caps to come in. It will be a few days. TonyC2103 must be a blue axial Philips/BC. That's the only type I have found to be guaranteed to work. I suppose you would have known it, if you fitted this type, so I suggest you replace it again, this time with such one. MartinPlease Log In to Reply
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