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Home Forums Product Discussion & Questions BeoGram BM6500 w/o RIAA module. Am I missing something?

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  • #67116
    Evan
    BRONZE Member

    Maybe more of a BeoMaster issue, but since its a Phono topic, I thought I should post here. Feeling slightly at a loss, must be missing something simple.

    I can’t get sound through Phono input on my BM6500. I’m using an external phono pre to enable a non-B&O deck. Wired the RCA to DIN connector as I always do, L+R on pins 3 and 5, and ground on pin 2.

    This is the input of the BeoMaster and seems to agree with the above pinout.

    My BM doesn’t have the RIAA module (I checked).
    What am I missing?
    • This topic was modified 3 weeks, 4 days ago by Evan.
    Location: San Francisco
    My B&O Icons: No description availableNo description availableNo description availableNo description available
    #67119
    Nebojsa Jankovic
    BRONZE Member

    Your photo shows a female input of your BM, which should mate with a male DIN5/7 plug, which should be wired as in the attached photo. Attached photo shows the back of the DIN plug (solder view). If all of this is correct, it does seem that the DIN plug wiring pinout should be reversed as in a mirror image, to match your BM input plug. Also, check on your DIN plug if you have wired also the plug housing…

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    Location: Eindhoven, NL
    Favourite Product: Beogram 4002/04, Beocenter 7007, Beosound 6000/02
    #67200
    Evan
    BRONZE Member

    Thanks, Nebojsa. Usually following the pin labeling on the rean DIN 5 connector is good guidance, but not this time around.

    I did throw on an aux cable from Steve, that one at least works so I will compare pin outs later today!

    Evan

    Location: San Francisco
    My B&O Icons: No description availableNo description availableNo description availableNo description available
    #67204
    Evan
    BRONZE Member

    Also, for future reference, here is where the RIAA accessory would mount if it was present in the BM6500. This is on the left edge of the preamp board.

    Location: San Francisco
    My B&O Icons: No description availableNo description availableNo description availableNo description available
    #67432
    Evan
    BRONZE Member

    FYI – problem resolved.  Was having a senior moment! As you mentioned, Nebojsa, it was a matter of the wrong pins. All good now!

    Location: San Francisco
    My B&O Icons: No description availableNo description availableNo description availableNo description available
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