Icom IC-718 Service Manual page 44

LOGIC UNIT
• BOTTOM VIEW
25 15 5 1
30 20 10 2
29 1
30 2
4
GND
SEN2
SENSOR
SEN1
+5V
1
2
30 20 10
1
25 15 5
29 2 15
J6 J9
30 1 16
to MAIN unit J4401 to MAIN unit J4401
MIC BOARD
• BOTTOM VIEW
4
3
8
2
1 7
J3
1
2
5
J2
1 MIC
6
MICE 2
GND
AFO
SEND
SQLS
8V
UD
9
GND
GND 10
to LOGIC unit
J4
The combination of this page and the previous page
shows the unit layout in the same configuration as the
actual P.C. Board.
1
9
10 2
to VR board J1
PHONE BOARD
• BOTTOM VIEW
9 - 4
J4
GND
1
GND 2
8V
UD
SQLS
SEND
AFO
GND
9 MICE
MIC 10
to MIC board J2
J5
1 GND
2
AFE
AFE
AFE
AFO
AFO
AFO
ESPO
9
ESPO
10
ESPO
to PHONE board
J2