Icom IC-718 Service Manual Addendum page 53

Jun. 2011
• For [USA-02], [USA-03], [EUR-01], [ITA-01], [FRA-01], [ESP-01], [DEN-01], [OTH-01], [KOR-01], [CHN-03]
• LOGIC UNIT (BOTTOM VIEW)
R35 D48
D49
D50
D51
D52
D53
D54
D55
5
Q105
J7
30
J7
29
• PHONE BOARD
2
IC5
J1
R56 W42
R55 W41
W1
R44
R3
R4
R5
R212
R9
R8
C2
4
J1
GND
SEN2
to SENSOR
board
SEN1
+5V
R196
1
Q1 Q2
R197
L103
4
L101
J7 J6
L102
J6
L104
R119
R135
2
29 2
J6 J9
30 1 16
1
to MAIN unit J4201 to MAIN unit J4401
J2
10 GND
AFE 9
AFE
AFE
to
AFO
LOGIC
AFO
unit J5
AFO
ESPO
2 ESPO
ESPO 1
C114 R17
R16
L2
R15
IC12
J3
3
R19
J3
J9
J9 10
15 1
2
to PLL unit J3
• MIC BOARD (BOTTOM VIEW)
1
IC7
J4
R59
to MIC board J2
R63 D47
R62 1 GND
J4 8V
SQLS
SEND
AFO
J3
9 MICE
C47
J5
9 1 to PHONE board J2
GND
1
AFE
AFO
AFO
2 6
to VR board J1
J5 9
ESPO
• VR BOARD
NON-
CLIC
24
GND 2
UD
GND
MIC 10
AFE 2
AFE
AFO
ESPO
ESPO 10
CLIC