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ARCHIVED FORUM -- April 2007 to March 2012
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This is the first Archived Forum which was active between 17th April 2007 and 1st March February 2012

 

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  • Re: Beogram 4002 no arm movement

    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
    Posted to BeoGram (Forum) by chartz on 10-26-2010
  • Re: Beogram 4002 no arm movement

    Vade retro!
    Posted to BeoGram (Forum) by chartz on 10-26-2010
  • Re: Beogram 4002 no arm movement

    Olà! Well the 4002 keeps working. I too hope it will keep that way... keep your fingers crossed! Lots of 'keeps', eh? Jacques
    Posted to BeoGram (Forum) by chartz on 10-26-2010
  • Re: Beogram 4002 no arm movement

    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
    Posted to BeoGram (Forum) by chartz on 10-25-2010
  • Re: Beogram 4002 no arm movement

    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 !
    Posted to BeoGram (Forum) by chartz on 10-23-2010
  • Re: Beogram 4002 no arm movement

    Thanks Mika. You have a private mail! Jacques
    Posted to BeoGram (Forum) by chartz on 10-23-2010
  • Re: Beogram 4002 no arm movement

    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
    Posted to BeoGram (Forum) by chartz on 10-23-2010
  • Re: Beogram 4002 no arm movement

    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...
    Posted to BeoGram (Forum) by chartz on 10-23-2010
  • Re: My Beogram 4002: one man's opinion!

    [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
    Posted to BeoGram (Forum) by chartz on 10-19-2010
  • My Beogram 4002: one man's opinion!

    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
    Posted to BeoGram (Forum) by chartz on 10-19-2010
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