![background image](http://html1.mh-extra.com/html/icom/ic-m710rt/ic-m710rt_service-manual_2038008050.webp)
8-1-2 SENSOR 1/2 BOARDS
GND
NC
UP1
(UP2)
GND
NC
DN1
(DN2)
1
5
2
6
to LOGIC
board J5 (J6)
J1
J1
S1
GND
PTTE
PTT
AF1
AF2
AFE
MICE
MIC
MISW
J2
PTT
MICE
MISW
AF2
GND
PTTE
MIC
AF1
AFE
8-1-3 MIC BOARD
10
2
9
1
to LOGIC
board J8
J2
8-1-4 VR1 BOARD
R1
J1
VOLE
VOL
+5V
VOLE
VOL
+5V
1
5
6
2
to LOGIC
board J3
J1
8-1-5 VR2 BOARD
R1
J1
GND
CUL
+5V
GND
CUL
+5V
1
5
6
2
to LOGIC
board J4
J1
8 - 3