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davidross222

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Viewing 9 posts - 1 through 9 (of 9 total)
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  • 16 August 2023 at 07:56 in reply to: Beogram 8002 #47248
    davidross222
    BRONZE Member

      Anyone know where I can get the peanut lamp (5V 60mA) used in the < > photocell control module in the keyboard.  Its B&O part number is 8230069.

      Thanks

      Location: Perth Western Australia
      4 July 2023 at 13:14 in reply to: MMC20 Type A cartridge #47350
      davidross222
      BRONZE Member

        Thanks for that.

        D

        Location: Perth Western Australia
        3 July 2023 at 03:45 in reply to: MMC20 Type A cartridge #47348
        davidross222
        BRONZE Member

          Hi Martin,

          A few pix of the mystery cartridge.  Here fitted to SME on old Thorens.  Then I found the arm needs fixing!  So cartridge is still unused.

          In the mean time I’m concentrating on refurbishing a rusty old GR8002 with broken MMC1 from eBay.

          davidross222

          Location: Perth Western Australia
          24 May 2023 at 01:49 in reply to: Beocord 5000 Type 49xx no sound #46513
          davidross222
          BRONZE Member

            Thanks, martin.  But I need to buy some gloves first, because NOTHING gets the awful stuff off your skin!

            David

            Location: Perth Western Australia
            22 May 2023 at 14:11 in reply to: Beocord 5000 Type 49xx no sound #46511
            davidross222
            BRONZE Member

              New thread:  what is best solvent to remove the gunk left by perished belts in tape drive??

              Location: Perth Western Australia
              22 May 2023 at 13:58 in reply to: Beocord 5000 Type 49xx no sound #46510
              davidross222
              BRONZE Member

                Sorry for delay in answering, Martin!  Thanks for the leads.

                Checked all voltages including 14a around Dolby board.  All present.  But worst possible result for fault – after reassembly it works perfectly!!  Tested now with many tapes both in playback and record.

                Guess I just wait for something to show up some day … sigh

                Location: Perth Western Australia
                16 May 2023 at 11:08 in reply to: Beocord 5000 Type 49xx no sound #46509
                davidross222
                BRONZE Member

                  Thanks,  this deep electronics is daunting for an old bloke!   But B&O have made any servicing a delight!

                  I will check voltages around the Dolby ICs.

                  And your suggestion of Vref will be done, too.

                  davidross

                  Location: Perth Western Australia
                  11 May 2023 at 07:38 in reply to: Beocord 5000 Type 49xx no sound #46507
                  davidross222
                  BRONZE Member

                    Thanks, TJames for your reply.  Yes, opened and replaced a number of darlingtons in circuit around RL101.  No VU’s on recorded tape.  No change on micro pin 36 !REC.

                    Location: Perth Western Australia
                    11 May 2023 at 07:34 in reply to: Beocord 5000 Type 49xx no sound #46506
                    davidross222
                    BRONZE Member

                      Thanks, Dillen.

                      From the circuit I thought RL101 needs to pick for play.  No, nil display on VU’s when recorded  tape running.

                      Location: Perth Western Australia
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                    Viewing 9 posts - 1 through 9 (of 9 total)
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