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Guillaume Gonzalez

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Viewing 8 posts - 1 through 8 (of 8 total)
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  • in reply to: Problems with a Beogram 4004 #112426
    Guillaume Gonzalez
    BRONZE Member

    It seems that 8d2 is fried.

    I’m going to replace both of them, we’ll see.

    in reply to: Problems with a Beogram 4004 #112258
    Guillaume Gonzalez
    BRONZE Member

    Thank you again so much for your help.

    I’m going to change the 100mf cap because it looks worn out.

    in reply to: Problems with a Beogram 4004 #99903
    Guillaume Gonzalez
    BRONZE Member
    I finally managed to take the measurements
    According to this picture

    Tonearm raised, I get
    • 1 -> 30.7 V CC*
    • 2 -> 21.7 V CC
    • 9 -> 0.7 V CC
    Tonearm sets down, I get
    • 1 -> 28.8 V CC*
    • 2 -> 21.7 V CC
    • 9 -> 15 V CC

    I also played with TR2 and I don’t get the impression that it has any effect on the circuit.

    Can I try powering the relay with an external battery when the turntable is on?

    Thank you for the time you are dedicating to my problem.
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    in reply to: Problems with a Beogram 4004 #79802
    Guillaume Gonzalez
    BRONZE Member

    Okay, thank you very much.

    I’ll test all of that.

    in reply to: Problems with a Beogram 4004 #79466
    Guillaume Gonzalez
    BRONZE Member

    Hi,

    I think you’ve found the source of the problem.

    The relay doesn’t click when the arm sets down.

    I tested it by powering it directly and it clicks correctly, so I think there’s a power supply issue on the PCB 8 board.

    Any idea what I should test?

    Thanks

    in reply to: Problems with a Beogram 4004 #79294
    Guillaume Gonzalez
    BRONZE Member

    Hi

    Thanks for your replies.

    I tested it with the 2402 cartridge.

    I also tested the relay and can hear it clicking.

    However, I didn’t notice if it clicks when the tonearm sets down.

    I’ll test it tomorrow and let you know.

    Thanks

    in reply to: Soucis sur un Beogram 4004 #77177
    Guillaume Gonzalez
    BRONZE Member

    Pour ceux que ça intéresse, j’ai changé la lampe et celà n’a pas résolu le problème…

    in reply to: Soucis sur un Beogram 4004 #73786
    Guillaume Gonzalez
    BRONZE Member

    Bonsoir et merci pour vos retours

    Sur ma platine pas de pré ampli mais comme la BG 2402 fonctionne normalement avec l’ampli, je ne pense que le soucis vienne de ça.

    J’ai également testé la continuité du câble et il a l’air bon, j’ai également essayé une autre cartouche

    Je n’ai pas de connaissances poussées, mais comme il s’agit d’un son acoustique et après les heures passées sur les forums, j’ai le sentiment que le soucis viendrais du “muting circuit”.

    D’ailleurs en refaisant le tour cet après-midi, je me suis rendu compte que la lampe de suivi située au pied du chariot est grillée.

     

    Celà pourrait-il mettre la platine en mute

    Merci beaucoup pour le temps que vous m’accordez

     

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Viewing 8 posts - 1 through 8 (of 8 total)