Icom IC-718 Service Manual Addendum page 140

• LOGIC UNIT (BOTTOM VIEW)
30 20 10
25 15
30
J7
29
to MAIN unit J4201
• VR BOARD
RIT RIT SHIFT SHIFT
10 10 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1
10
J1
to LOGIC unit J3
16
4
J1
GND
SEN2
to SENSOR
board
SEN1
+5V
1
2 30 20 10 2
5 1 25 15 5 1
2 29 2 15
J6 J9
30 1 16
1
to MAIN unit J4401
AF AF RF/SQL RF/SQL
1
9
J3
10
to VR board J1
1
2
to PLL unit J3
• MIC BOARD (BOTTOM VIEW)
4
5 3
8
6 2
7 1
J4
GND
1
GND 2
8V
UD
SQLS
SEND
AFO
GND
9 MICE
MIC 10
to MIC board J2
1 J5
1 GND
2
AFE
AFE
AFE
AFO
AFO
2 AFO
ESPO
9
ESPO
ESPO 10
to PHONE board
J2
• PHONE BOARD
J2
10 GND
AFE 9
AFE
AFE
to
AFO
LOGIC
AFO
unit J5
AFO
ESPO
2
ESPO
ESPO 1
S-14413XH-P2
Printed in Japan
© 2007 Icom Inc.