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White Face Johnson and D104

Crambone

Well-Known Member
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Jan 22, 2019
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anyone know the wiring for a D104 (4wire or 6wire) to WhiteFace Johnson?
 

If this is the amplified T-UG8 mike, you'll find a tiny slide switch on the battery bracket underneath. It should be set to the "E" side, not the "R" side.

There should be some of the original mike cord still soldered to the connections under the radio's chassis.

The stock mike should have had a red and black wire. The audio is a white shielded wire.

White and shield go just where they did on the old mike cord.

But red and black get reversed.

Johnson used red for receive. Astatic uses black for receive, and red for transmit.

And if there is no trace of the original mike's wires, that makes it more complicated.

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  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.