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ARCHIVED FORUM -- April 2007 to March 2012 READ ONLY FORUM
This is the first Archived Forum which was active between 17th April 2007 and
1st March February 2012
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I never had to replace a laser lens (or a laser diode for that matter) apart from one in a Beogram CD50, where the owner managed to scratch the lens in a desperate attempt to get the thing going (the fault was the spindle motor plus a few capacitors, as always). So I'm afraid, I haven't got any experience with replacing the lens and can't
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Exactly my experience too. Martin
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Don't pull ! You will risk pulling off the copper traces too. Just grab and rotate. There is a more technical way but that involves ionized hot air soldering and since you asked the question, I took it that you don't have that at hand. Martin
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Note their values and polarities. Use pliers, grab and twist. Martin
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Called Rio-Palisander in most of the european countries. Martin
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It's also my experience that capacitors are causing 95% (or more) of the faults in B&O CD players (and many other places in vintage stuff). The laser itself is incredibly strong and long lived. I say that based on 200+ repairs to B&O CD players. Of course a laser can fail but it is rare to see. After taking a look at the photo using my own
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Very rare indeed. I can't help thinking it must be possible, somehow, to splice two shorter arms together. Martin
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I dont know who told you that the cap problem doesn't apply. It certainly does, though I obviously cannot guarantee that caps are at fault in your machine. The SMD type caps will need replacing. If you don't have the tools and/or skills to replace surface mounted devices, they can usually be replaced by conventional through-hole components if
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I agree on the BM8000 caps. Regarding the Beogram, replacing the caps is in itself not particularly difficult. The worst part is the main board itself. Go gently on the heat from the soldering iron. To much heat will cause the copper traces to losen from the board and, even worse, develop cracks that are more or less invisible. These boards are especially
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Oh, you got the virus alright. Martin
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