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Dillen

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Viewing 20 posts - 361 through 380 (of 802 total)
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  • in reply to: Record Weight for beogram 4002 recommendations #51361
    Dillen
    Moderator

    I wondering what weight range would be good for a Record Weight for my 4002.

    None!
    Use no record weights, antistatic mats or other nasties with any Beogram.
    If your record is warped, put it under press somewhere else (not on a Beogram) or discard and replace it.

    Martin

    in reply to: 4002 repair in United States #51344
    Dillen
    Moderator
    in reply to: Most Unusual Find? #51336
    Dillen
    Moderator

    It’s not uncommon to find spare cartridges, or parts thereof, inside Beograms.
    Same goes for center pucks, stylus guards and needle brushes.
    I have also found lots of coins, keys, jewelry, LEGO bricks etc.
    Under the dust cover seems to be a “safe” place to store small items.
    When the Beogram is later moved, the things slide around and fall into the innards.

    In the larger 1930s to 1960s valve-based radios you could, and still can, sometimes find savings and love letters.
    These radios were often fairly large cabinets with room to spare, – a good and safe place to keep secrets from the wife, as she was not likely to ever go in there.

    Here batteries in a Beogram 5500, arrived here for repairs because the carriage was blocked:

    01

    03

    Close, but no cigar.

    Martin

    in reply to: Help with rebuild of Beomaster 4400 #51301
    Dillen
    Moderator

    You can see it here:
    https://beolover.blogspot.com/2020/03/beomaster-4400-type-2419-investigating.html

    Half way down the page.

    Martin

    in reply to: Beogram 1902 Dust Cover #51275
    Dillen
    Moderator

    Lay the large black hinge bracket (the rear vertical plate) flat on the table with its backside down. Put it on a thin piece of cloth or similar to prevent scratches and scuff marks.
    Place the three small shiny friction plates in place in the hinge bracket, so that they sit aligned with where the three holders will be (photo).
    From little marks they have left, you can usually see where they sat previously, and you can glue them in if you find them difficult to control.

    Put the dustcover in place in the bracket, also lying flat on the table (in what would correspond to fully open position if upright) and fit the spring to the hinge bracket at the center with a holder, a screw and a washer. Don’t mind the springs ends at this point – just let them flap around as they please until the center holder has been fitted.
    The spring has small round ends, that needs to run in the grooves at the ends of the dustcover, so make sure the spring is the right way up, or it will run with the sharp pointed ends in the groove and wear the grooves out in no time.

    Then grab one end of the spring with pliers, twist it to upright position and set the springs length down in the groove in the hinge plate (some hinge plates have small tags it needs to go around and between) and set it into the groove in the dustcover.
    Often the spring will be able to sit by itself like this.
    Put a black plastic holder in place, hold it with a finger or two while you lift up the whole assy and mount the screw and washer from the other side. Alternatively, keep it flat and slide it out over the edge of a table, just enough to fit the screw and washer from below.
    Same job at the other end.
    Takes a little practice but it’s a 2-minute job when you know how.

    Dustcover

    The above instructions for assembly of the dust cover, spring etc. is valid for the following
    Bang & Olufsen models:

    Beogram 1100
    Beogram 1102
    Beogram 1500 (Type 57xx only)
    Beogram 1600
    Beogram 1602
    Beogram 1700
    Beogram 1900
    Beogram 1902
    Beogram 2200
    Beogram 2202
    Beogram 2400
    Beogram 2402
    Beogram 2404
    Beogram 3400
    Beogram 3404
    Beogram 6000 (Type 57xx only)
    Beogram RX

    The square holders (friction brackets) are known to break.
    New parts can be found here.

    Martin

    in reply to: BEOCORD 5500 stops after 5 seconds #51092
    Dillen
    Moderator

    The motor runs all the time, when the Beocord is out of standby.

    Martin

    in reply to: BEOCORD 5500 stops after 5 seconds #51090
    Dillen
    Moderator

    Could be the safety circuit kicking in. It kicks in if the motor is loaded abnormally.
    This can happen, if something has seized or running rough in the mech. or if the belts are not correct (too thick or too tight).
    – Ebay belts?

    Martin

    in reply to: Beomaster 1600 Type 17XX Power Switch Wiring #51253
    Dillen
    Moderator

    That depends on the territory version, as some have polarized mains plugs and capacitive
    decoupling to chassis in accordance with local regulations.

    If your mains plug can be plugged into the wall outlet any side up, it’s safe to swap the leads.
    If you have a three-prong mains plug that cannot be reversed, or your mains plug for
    some other reason can only be plugged in one way, you should keep the mains leads in their original positions.

    Martin

    in reply to: Beomaster 4500 #51258
    Dillen
    Moderator

    In test-mode press 7 to delete RAM settings and revert to defaults.
    Service manual page 7-2 and 7-3 describes it.

    Martin

    in reply to: My presentation #51249
    Dillen
    Moderator

    Beautiful classic system!

    Martin

    in reply to: BEOCORD 5500 stops after 5 seconds #51087
    Dillen
    Moderator

    Does both tape reels rotate during the few seconds when the tape is playing?

    Martin

    in reply to: Beocentre 2200 platter/flywheel not level #51159
    Dillen
    Moderator

    The interesting video is the one where you (should be able to) see the belt running its path.

    “when I play without a record it only spins for a couple of seconds.”
    That’s normal. It won’t play without a record but needs to spin the platter to check for one.

    Martin

    in reply to: Beomaster 1600 Type 17XX Power Switch Wiring #51251
    Dillen
    Moderator

    For the white leads going to the transformer it doesn’t matter which one sits left or right.

    Martin

    in reply to: Beomaster 4500 #51256
    Dillen
    Moderator

    Did you try the method stated in the service manual?

    Martin

    in reply to: Beocentre 2200 platter/flywheel not level #51157
    Dillen
    Moderator

    The interesting video is the bad one. I simply can’t see if the belt scrapes on something
    – or the motor pulley, it can also scrape on the motors metal bracket (bad motor mounts).

    Martin

    in reply to: Beocord 4500 repair #51180
    Dillen
    Moderator

    Where in the world, apprx.?

    in reply to: Beocentre 2200 platter/flywheel not level #51155
    Dillen
    Moderator

    The scraping sound could come from the belt rubbing on something.
    If you run the deck without the platter, the belt could run on the subplatter flange.

    Or it could be from the record sensing mech.
    Have you tried with a record on the platter?

    Martin

    in reply to: Beocentre 2200 platter/flywheel not level #51152
    Dillen
    Moderator

    The three locks must be rotated a little using a wide-bladed screwdriver, enough to allow
    the subplatter to pass.
    They will usually move in “loud chunks”.

    The belt will come off, and you may have to take off the black plastic surround to get at the
    motor pulley to put it back (renew it and the motor mounts while in there).

    Martin

    in reply to: Beocentre 2200 platter/flywheel not level #51150
    Dillen
    Moderator

    The “skeleton” sub-platter can be lifted off.
    That would ease inspection.

    Martin

    in reply to: Penta 3s foam or rubber? midrange #51131
    Dillen
    Moderator

    I looked through my notes, and I don’t have the measurements anylonger, but I
    do remember my surprise experiencing the huge difference from foam to rubber, and
    I also remember that the driver that was restored with foam was closer to the
    (same) driver with original, old but intact surround than ones that were restored with rubber.

    Another thing is, that the glue often supplied with new rubber surrounds usually won’t hold for very long.
    It just doesn’t grip very well and, even after several weeks/months, you can often peel
    the surrounds off again completely intact with no remains of glue sticking to them.
    Most rubber surrounds are rubbish when it comes to finding a suitable glue (read: that is commercially available and not toxic).

    Martin

Viewing 20 posts - 361 through 380 (of 802 total)