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jaimzness, Engineer
Category: Electronic Musical Instruments
Satisfied Customers: 117
Experience:  DAW and MIDI techniques. Keyboard and synthesizer programming. Electronic repair.
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I have a organ to repair 287 californian.I have been

Customer Question

I have a Thomas organ to repair 287 californian.I have been lumbered with the job as
other tech has retired. He won,t help me. I have my 287 right next to it @oscilliscope as
well. Problem ,no upper manual sound at all not even faintly on full volume . Got any ideas?
Submitted: 1 year ago.
Category: Electronic Musical Instruments
Expert:  MasterFixIt replied 1 year ago.

Hi I am sorry to hear he wont help lol.

How old is the organ?


Tech Mike

Customer: replied 1 year ago.
have been playing with it this morning ,have found terminals on preamp board that connect to manual balance .
Tracing backwards from upper terminal
Expert:  MasterFixIt replied 1 year ago.

Good morning Sir,

you are going about this the correct way as I would do.

I will see if there is a schematic available as well, but that may take a day or so Thomas info can be a bit tricky to locate lol.

Do you have any idea of the age on this organ?

Thanks you

Tech Mike

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