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  • Re: Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker...

    When I come across a blown 2N3055, I usually replace it with a KD503 (essentially the eastern bloc variant of the 2N3055). Haven't had any issues so far. You can easily find surplus from the 80s in big quantities, and they aren't expensive. And, the most important thing: nobody has started counterfeiting these yet ;)
    Posted to The Workbench (Forum) by ablaumeise on Wed, Sep 1 2021
  • Re: Beosound Century cassette mechanism spare parts

    https://www.ebay.co.uk/itm/164218450439 They seem to be out of stock right now, just write them a mail or wait some weeks.
    Posted to The Workbench (Forum) by ablaumeise on Mon, Apr 26 2021
  • Beosound Century cassette mechanism spare parts

    Since there seems to be no information out there (just a bunch of loose ends in this forum), I figured I'd share my experiences with overhauling the cassette mechanism on my Beosound Century. And, more importantly, the parts list. Belt: Flat belt, 4mm wide, my old belt had a diameter of 71,6mm, ordered a 70.0 mm x 4.0 mm x 0.55 mm belt, works fine. Pinch rollers: 9,8mm diameter, width of 6,3mm for the rubber part, 7,3mm for the plastic part. The bolt is 2mm, however the hole is a press fit and
    Posted to The Workbench (Forum) by ablaumeise on Wed, Apr 21 2021
    Filed under: belt, Century, pinch rollers
  • Re: beogram 1500 (type57) replacement tonearm wiring

    Oh, you're right, of course. I was thinking of the "other" Beogram 1500... Anyway, the "newer" 1500 isn't that hard to do either. Been there, done that. Kind of amazing how often people seem to rip out tonearms... If I remember correctly, you can just access the wiring from the underside of the tonearm. I'm not sure how much glue/epoxy-scraping was involved in getting the old cables out, but I'm sure it was way less than with the MMC1-5 series.
    Posted to BeoGram (Forum) by ablaumeise on Fri, Jan 13 2017
  • Re: beogram 1500 (type57) replacement tonearm wiring

    Hi! I've replaced the wiring on some tonearms before. I posted some pictures a long time ago, but unfortunately they are long gone: http://archivedforum.beoworld.org/forums/t/21757.aspx I also replaced the wiring on my 42VF (same tonearm as your 1500). It's pretty easy - you can unscrew the connector for the pickup in front of the tonearm and pull it out. Pretty big solder spots on there. Connect the new cables to the old ones and pull them through. If the cables are no longer there, route
    Posted to BeoGram (Forum) by ablaumeise on Thu, Jan 12 2017
  • Re: Beogram CD - Kabelzugsystem gerissen

    Mach einfach 'n Knoten, die Klammern brauchst Du eigentlich nicht.
    Posted to Deutsche BeoWorld (Forum) by ablaumeise on Sat, Aug 20 2016
  • Re: Beogram CD - Kabelzugsystem gerissen

    Nimm einfach die gleiche Dicke - dickeres lässt sich schwieriger auffädeln und hat keine wirklichen Vorteile. Wenn die Teile nicht gerade schwergängig sind oder sich sonst was verklemmt hält das ewig, egal wie ***.
    Posted to Deutsche BeoWorld (Forum) by ablaumeise on Sat, Aug 20 2016
  • Re: Beogram CD - Kabelzugsystem gerissen

    Hallo, zu 1: hier bekommst du das Service Manual: http://elektrotanya.com/bang-olufsen_beogram_cd-5500_6500_7000.pdf/download.html Da drin gibt's eine sehr genaue Abbildung & Erklärung, wie das Seil einzufädeln ist. zu 2: Das Material nennt sich Skalenseil/Tunerseil, bekommst Du bei eBay etc. - oder aus Schrottradios vom Sperrmüll. Andere Schnur funktioniert nicht wirklich - rutscht durch, dehnt sich, reißt...das volle Programm.
    Posted to Deutsche BeoWorld (Forum) by ablaumeise on Sat, Aug 20 2016
  • Re: What Are You Working On Now

    [quote user="Orava"] Ah, ok. So it doesnt need any violence? [/quote] It does...you need to pull off the the pulley on top first. That will need some force (I'm pretty sure the one on yours doesn't have a grub screw).
    Posted to The Workbench (Forum) by ablaumeise on Sat, Nov 3 2012
  • Re: What Are You Working On Now

    [quote user="Orava"] Has anyone ever opened these motors? This one is a bit stiff, so in need of cleaning/lubricationing. [/quote] Yes, quite a few of them actually. Disassembly is rather self-explanatory. Take care when lifting off the base plate (the second one - there's another casing beneath the first one) - either first lift it 5mm and disengage the brushes through the slit, or lift out the rotor together with the base plate. Clean the brushes & commutator and lube both bearings
    Posted to The Workbench (Forum) by ablaumeise on Sat, Nov 3 2012
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