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  • Re: Beogram 3500 tracking setup

    [quote user="aldo"] according to B&O service manual, it is optical, and this is confirmed by the circuit diagram and by the parts list. Thats all I know, I'm not speaking from years of experience. But it seems to me that my turntable looks exactly like the one in the manual. I don't understand the reference to a felt clutch - where is that? [/quote] I stand corrected :) It is indeed optical… I mixed the optical record detection in older Beograms with the tracking optics
    Posted to General Discussion & Questions (Forum) by Weebyx on Thu, Jan 31 2019
  • Re: Beogram 3500 tracking setup

    [quote user="aldo"] thanks Weebyx. ı don't suppose you know the mechanism of the optical tracking switch, by any chance? My problem seems very strange, in that the tonearm only skips on certain records, and these are largely brand new ones that I played for the first time. Other records play all the way through without problem - I just cannot understand why. The new records are not scratched at all, but the arm just refuses to track - the optical switch is not switching. Alan [/quote
    Posted to General Discussion & Questions (Forum) by Weebyx on Thu, Jan 31 2019
  • Re: Beosound 9000 Mk1 - First CD will not play

    [quote user="Jens Martin"] After I just registered a big hello to everyone out there! To my person, I am not a hifi specialist but I offered help to my audiophile father-in-law regarding possible help by some B&O Specialists. And here I am :) It is as already described in the topic : A recently acquired B & O BEOSOUND 9000 Mk1 which was just perfectly repaired by the mentioned father-in-law - he is now confronted with an incomprehensible problem. Each time the device is turned on
    Posted to The Workbench (Forum) by Weebyx on Thu, Jan 24 2019
  • Re: Recap List needed for BM, BC and BC CD 4500

    [quote user="Beomichel"] Hi Bram, is it possible to send me the excell list to do a recap on my beosystem 4500 please. Right channel isn't playing anymore. While the master is open to check the problem it's a good time to update the rest too. Thanks ahead. Michael [/quote] I would not just go ahead and change capacitors unless something is wrong. The reason your right channel is dead is almost 100% NOT because of capacitors. It is the mute relay or an amplifier transistor. It is
    Posted to The Workbench (Forum) by Weebyx on Sun, Jan 20 2019
  • Re: Beogram 3500 tracking setup

    [quote user="aldo"] I strongly suspect the optical switching system - I have tried the diaphragm adjustment, but made no improvement. On certain records(all new ones) it appears as thought the tracking motor is not switching on at all, on other records there is no problem. Could it be that the optical switch is dirty and just needs cleaning? Or do I need to try and find a replacement tonearm? [/quote] Beogram 3500 does not use optical system to my knowledge. In the tonearm assembly, there
    Posted to General Discussion & Questions (Forum) by Weebyx on Wed, Jan 16 2019
  • Re: Beogram 3500 tracking setup

    [quote user="Dillen"] Could be the servo motor bearings in need of cleaning and lubrication. They tend to bind as their oil dries. To diagnose it, put a voltmeter across the servo motor and watch the voltage while playing. Martin [/quote] Could it also be a bad belt for the tracking motor ? If it slips, the cariage would not move as intended ? /Jacob
    Posted to General Discussion & Questions (Forum) by Weebyx on Wed, Jan 16 2019
  • Re: BS Edge - Can’t trigger the bass port?

    I have seen this issue at my local dealer, they said it had happened "many" times, and they just pull the power and it works again, until next time. Seems like yet another SW issue ? /Weebyx
    Posted to General Discussion & Questions (Forum) by Weebyx on Thu, Jan 3 2019
  • Re: Troubleshooting Philips CDM4/24 Laser in BeoCenter 9000

    I can see on your picture, that you have not used the correct Philips/Vishay C2103 capasitor ? I actually thought that you might never get a servo PCB functioning perfectly without using this specific C2103 ? The many 35/45/65/7000 cd's I have seen not working, always first came back to life perfectly after using the correct capasitor ? Is there any reason as to why you are not using the correct one ? /Weebyx
    Posted to The Workbench (Forum) by Weebyx on Fri, Dec 28 2018
  • Re: Beosound 3200, CD - Clamper

    [quote user="julefreund"] Hi /Weebyx, many thanks for your responce. The position switch has to be cleaned or renewed ? Is it a well known problem with dust or mud at this switch ? Kind Regards julefreund [/quote] Just clean it with isopropyl alcohol. Dont use sandpaper, better to use a thick piece of paper or cardboard soaked with alcohol. Dust is a known problem on these switches, but also the electric connection will leave some black stuff on the contacts that will stop it from working
    Posted to General Discussion & Questions (Forum) by Weebyx on Wed, Oct 3 2018
  • Re: Beosound 3200, CD - Clamper

    [quote user="julefreund"] The CD-Clamper of my Beosound 3200 don`t stays in the open position . If I press the "LOAD" button, the clamper opens normally , stays in top position for about one secound and then he always goes down again. There is a small "motor running noise" in the upright position of the clamper. Is there any end position switch, which is not working or could it be a mechanical problem ? Regards, julefreund [/quote] Yes, there is a clamper position switch
    Posted to General Discussion & Questions (Forum) by Weebyx on Tue, Oct 2 2018
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