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Volume increases by itself on a T-211-1

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    Volume increases by itself on a T-211-1

    Just brought a used T-211-1 for $90.00. After setting it up at home every once in a while the volume goes up without me touching the pedal. Any tweaks I can do to fix this? New organ owner....

    #2
    You probably have poor electrical connection to the light bulb in the swell pedal assembly. If the light goes out, the organ will go to full volume.
    Current organs: AV, BC, A-100
    Current Leslies: 22H, 142, 147, 760
    Organs in the past: L-100 (several), M-100 (x2), T-100, E-100, CV
    Other keyboards: Roland FP-4, Yamaha DX7, Yamaha TX81Z, Yamaha Motif ES Rack, Korg Krome, Novation Mininova

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      #3
      The wiring is pinched and tight coming into the back of the expression pedal. With care and patience should not be too bad to isolate.

      Larry K
      Larry K

      Hammond BV+22H+DR-20, Celviano for piano practice
      Retired: Hammond L-102, M-3, S-6, H-112, B-2+21H+PR-40, B-3+21H, Hammond Aurora Custom, Colonnade.

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        #4
        Thank you both. Will work on it this weekend and let you know!

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          #5
          Replace the motor run capacitor immediately.
          Those things are prone to explode, sending toxic PCB oil and burnt paper everywhere
          Current:
          1971 T-202 with Carsten Meyer mods: Remove key click filters, single-trigger percussion, UM 16' drawbar volume correction. Lower Manual bass foldback.
          Korg CX3 (original 1980's analogue model).
          1967 Leslie 122 with custom inbuilt preamp on back panel for 1/4" line-level inputs, bass & treble controls. Horn diffusers intact.
          2009 Marshall 2061x HW Plexi head into Marshall 4x12 cabinet.

          Former:
          1964 C3
          196x M-102
          197x X5
          197x Leslie 825

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            #6
            Have a question. The black box around the expression pedal is stapled in place. Is there any problem with me removing the staples to adjust the wire and check both the bulb and photo cell then staple it back in place? Is the bulb and the photo sensor in this box? Thank you. Sorry for all the questions but a newbie here and so far can't find a video on line....

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              #7
              The wiring harness should unplug in the back of the organ and you should be able to remove the whole pedal assembly for inspection. I haven't worked on a T200 for about 11 years but I'm sure that's the case as with other transistor spinet organs.
              Hammond BC
              Farfisa Compact Duo MK2 CD/30
              Lowrey Berkshire Deluxe TBO-1
              Leslie 147 ​and ​​​​​​Hammond PR-40

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                #8
                Got into the box where the pedal is. No visible light. Trying to loosen the wire harness as suggested. I don't thing that there is a photo cell present unless it is somewhere else. Thought it would be in the black box that the pedal is in. Anyone know of a good service mechanic in NJ???? I am getting frustrated and scared to damage the unit.

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                  #9
                  The bulb is in a black round housing near the pivot point, somewhat smaller than a roll of dimes. There would be 2 black wires coming off a metal cap on the end, and near the middle a half round piece of metal pivoting through a slot in the housing-this is the shutter. The bulb is in there, but the housing when closed is pretty light-tight so you probably wouldn't see anything without disassembly.
                  Larry K

                  Hammond BV+22H+DR-20, Celviano for piano practice
                  Retired: Hammond L-102, M-3, S-6, H-112, B-2+21H+PR-40, B-3+21H, Hammond Aurora Custom, Colonnade.

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                    #10
                    Thank you. Makes sense. Now how do I disassemble it? Take off the box itself?

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                      #11
                      The light bulb socket just pops out of the light tunnel with the use of a screwdriver. No dismantling needed to inspect/change the bulb.
                      Current organs: AV, BC, A-100
                      Current Leslies: 22H, 142, 147, 760
                      Organs in the past: L-100 (several), M-100 (x2), T-100, E-100, CV
                      Other keyboards: Roland FP-4, Yamaha DX7, Yamaha TX81Z, Yamaha Motif ES Rack, Korg Krome, Novation Mininova

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                        #12
                        Is this light socket in the black box, and if so, how would you get to it?

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                          #13
                          The light tunnel (which has the bulb holder in one end and the photocell in the other end, and a shutter in the middle) is under the pedal itself, right behind the pedal "hinge".
                          Current organs: AV, BC, A-100
                          Current Leslies: 22H, 142, 147, 760
                          Organs in the past: L-100 (several), M-100 (x2), T-100, E-100, CV
                          Other keyboards: Roland FP-4, Yamaha DX7, Yamaha TX81Z, Yamaha Motif ES Rack, Korg Krome, Novation Mininova

                          Comment


                            #14
                            The black box that covers the pedal assembly can be removed by pulling the staples around its edges.
                            Tom in Tulsa

                            Fooling with: 1969 E100, 1955 M3, 1963 M100, Leslie 720

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                              #15
                              Thank you. Makes much more sense now.

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