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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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Hi, I didn't use any spray, I just rubbed everything with impregnated paper, a bit of brasso too. I re-lubricated the ball bearings though. By the way I ended up opening the thing. You can actually take the red cap quite easily. The hardest is to take the pulley out! As for the foam, I put the original back on, but changing it is an interesting
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Olà! Well the 4002 keeps working. I too hope it will keep that way... keep your fingers crossed! Lots of 'keeps', eh? Jacques
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A dozen LPs later... The Beogram is still working! I'm not sure what did the trick but I noticed that changing over to 240v made the transformer hum disappear completely. Anyway, cleaning the motor brushes actually made it noisier! Keep your fingers crossed! Jacques
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The motor has been cleaned, mounted back (be careful, the black wire goes to the + polarity of the motor!) and now playing some record. To be continued [...] Isn't that exciting? Edit: still working after 5 records. No, not 45 RPM !
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Thanks Mika. You have a private mail! Jacques
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Hello, Me again. Well I had a clue from Tim who thinks the motor might be the problem. It's a Swiss Maxton DC motor with ball bearings —the spindle turns for ages! It seemed sealed, but then I saw a small cap at the centre of the red side which, once removed gives access to the brushes! I cleaned them because they were very dirty. The motor
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Hello, Right then. After a dozen records, the dreaded BC142 kicked the bucket again! Same symptoms, except that this time it went short-circuit. I say it again, all eight transistors in the H-bridge were renewed, even though the BC 142 (top-left on diagram, top-right on the PCB) only was tested bad. After a new replacement, the deck worked again...
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[quote user="Doctor"] ...The 4002 bearing is a funny design, with reduced contact areas, when the 8000 one has a classic bearing which is very precise: launch it gently, have a cup of coffee (or tea!), come back and it will still be spinning! I wonder about the Beogram 4000 then. Not a fair comparison - take the belt off the 4002 and it will
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Hello, The Beogram 4002 is a nice turntable to behold, nobody will doubt this. However, I have compared it to my Beogram 8000 just out of curiosity. Here are my humble conclusions. 1/ Soundwise, there is not much. Once properly set-up, both sound good. 2/ I think the 8000, although often criticized for its "cheap" construction, with more plastic
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