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KC9UHI > YAESU 14.07.21 09:09l 23 Lines 481 Bytes #999 (0) @ WW
BID : 22260_KC9UHI
Read: GUEST
Subj: Re: Pinout for YAESU MH-48A6JA
Path: IZ3LSV<F1OYP<VE3CGR<KA1VSC<KC9UHI
Sent: 210713/0132Z 22260@KC9UHI.#ECWI.WI.USA.NOAM LinBPQ6.0.21
The Google returned this page:
https://www.hamradio.hanklambert.com/my-gear/accessories/mh-48a6j-hand-microphone
Has both the microphone schematic, and a pinout diagram.
For reference:
With the microphone connector tab facing away, and the wire coming out
the bottom (contacts up and at the top). Left-to-Right, 1-6:
1 PTT
2 MIC
3 GND
4 +8v
5 MIC SW1
6 MIC SW2
Pins 5 and 6 are the output of a 4x5 transistor switched resistor matrix
for the various buttons on the mic.
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