4
supply
J1-4
Black
MIC input
J3-2
PCB ground
Black
GND
J3-1
CON1-1
Brown MIC GND
J2-1
CON1-2
Red
MIC IN
J2-2
CON1-3
Orange PTT
J2-3
CON1-4
Yellow PTT GND
J2-4
CON1-5
Green
UP
J2-5
CON1-6
Blue
DOWN
J2-6
CON1-7
Purple U/D Com.
J2-7
CON1-8
White
+B Power
J2-8
* CON 2(Modular input) does not connect to microphone
표2. ICOM 8pin circular plug (I-8P): IC-707, 721,726,729,736,746,756,760,761,765,775,781,821
Connector pin
Color
Function
Connection
terminal
Remarks
CON3-3
Orange PTT
J3-3
CON3-4
Yellow PTT GND
J3-4
CON3-5
Green
UP
J3-5
CON3-6
Blue
DOWN
J3-6
CON3-7
Purple U/D Com.
J3-7
CON3-8
White
+B Power
J3-8
J1-1
Red
Circuit
+B
supply
J2-8
J1-4
Black
MIC input
J3-1
PCB Ground
Black
GND
J3-2
CON1-1
Brown MIC IN
J2-1
CON1-2
Red
+B Power
J2-8
CON1-3
Orange UP
J2-5
CON1-4
Yellow SQUELCH
N/A
CON1-5
Green
PTT
J2-3
CON1-6
Blue
PTT GND
J2-4
CON1-7
Purple MIC GND
J2-2
CON1-8
White
AF OUT
N/A
CON 2(modular input) does not connect to microphone
Table3. iCOM 8pin modular plug (I-8M): IC-706 Series
Connector
pin
Color
Function
Connection
terminal
Remarks
CON3-3
Orange PTT
J3-4
CON3-4
Yellow PTT GND
J3-7
CON3-5
Green
UP
J3-3
CON3-6
Blue
DOWN
N/A
CON3-7
Purple U/D Com.
J3-6
