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- IC27.1
-
- FOR THOSE INTERESTED IN AN ALTERNATE METHOD HERE IS WHAT HAS BEEN DONE BY
- WB4FOW ON SEVERAL OTHER RADIOS:
-
- SINCE ABOUT 1985 MOST ICOM RADIOS HAVE PIN 8 OF THE MICROPHONE CONNECTOR
- WIRED TO THE SPEAKER. THIS IS CONVENIENT FOR THE WIRING OF A TNC
- AND IS USUALLY EASY TO MODIFY SO THAT RECEIVE AUDIO IS TAKEN FROM
- THE HIGH SIDE OF THE VOLUME CONTROL.
-
- ON THE IC-27/37/47 RADIOS, ON THE BOTTOM SIDE OF THE RADIO, SINCE
- ABOUT 1985 MOST ICOM RADIOS HAVE PIN 8 OF THE MICROPHONE CONNECTOR
- WIRED TO THE SPEAKER. THIS IS CONVENIENT FOR THE WIRING OF A TNC
- AND IS USUALLY EASY TO MODIFY SO THAT RECEIVE AUDIO IS TAKEN FROM
- THE HIGH SIDE OF THE VOLUME CONTROL.
-
- ON THE IC-27/37/47 RADIOS, ON THE BOTTOM SIDE OF THE RADIO, JUST UNDER
- THE AREA OF THE SPEAKER, IS A TWO PIN CONNECTOR WITH A GREEN AND RED
- WIRE ATTACHED. THE GREEN WIRE IS SPEAKER AUDIO AND THE RED WIRE IS +8 VOLTS.
- CONTINUED IN FIEL IC27.2