Icom IC-400PRO Service Manual page 29

9-2 MAIN UNIT
ANT
• TOP VIEW
5 4
8 1
1
J1
30
to Optional unit
CHASSIS
J1
15 40
J2
16
9 - 3
IC3
EP3
9 8
8 1
16 1
9 16
2
39 1
to FRONT unit J2
to DC cable
W2
2 1
J7
to
speaker
J6
1 VCC
DIM
HORN
GND
AFO
GND
DISC
GND
IN
IC8 GND
PTT
11
to Optional
cable OPC-617