Icom IC-M401EURO Service Manual page 27

9-4 LOGIC BOARD
•
TOP VIEW
Q8
C22
C32 R87
R86
R26
R88
C7
R5
J3
J3
40
J3 J4
5 1
From HM-132
39
to Main unit J6
9 - 2
R17
Q2
R20
Q3
Q4
IC2
Q11
IC6
C28 R7 C24
X1
C14
R46 R78
R47
R76
D4
J4
C4
C3 C6
J1
J4
2
J1
8
to DSC terminal DS-100
1
B5679A
ICOM
R1
R2
to Front unit SP1
R79
R89
R39
Q9 Q6
IC7
D2
to Front unit SP1
D1
R77 C9
R6 R34
D3
C1
J1
C5
1
SP
SP+