Icom IC-M400BB - Page 39

7 - 2
The combination of top side and bottom side of this
• CONNECT UNIT
(BOTTOM VIEW)
• LOGIC UNIT
(BOTTOM VIEW)
COMRXD
COMTXD
ICF3
IOSTBO
DASTBO
PONO
RVSO
TXMSO
HORNO
BEEPO
DSCDEC
WDECV
TDETV
MIC-G
TEMPV
L5V
VCC
N/C
SP-
SP+
GND RINTMO REXTMO RXSPMO SDATAO SCKO PLSTBO T5VSO NC_BUSYO GND DSCENC UNLKI NOISEV LOINV MIC-IN GND N/C HV SP- SP+
GND
NMEAO
NMEAI-
NMEAI+
COMTXD
COMRXD
PTTC
VCC_C
VCC_C
ICF3
GND
GND
AF/MIC
MICG
C1
EP2
J2
B7574C
H0 H5 H10 H15 H20 H25
V0V5V10V15V20
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C24 C25
C26
C27
C31
C32
C33
C35
C36
C37
C38
C43 C44
C57
C61
C62 C63
C64
C65
C66
C67
C68
C69
C71
C72
C74
C81
C82
C83
C84
C85
C86
C87
C88
C89
C91
C92
C95
C96
C101 C102 C103
C104
C105
C106
C107
C108
C111
C112
C113 C114
C115
C116
C155
C162
C165
C166
D3
D4
D5
D7
EP11
IC1
IC2
IC3
IC4
IC5
IC6
IC7
IC8
IC9
IC10
IC11
IC12
J1
J4
Q3
Q4
Q5
Q6
Q7
Q8
Q9
R1
R2
R3
R5
R7
R11
R12
R16
R17
R21
R22
R23
R24
R25R26
R27
R28
R29
R34
R51
R52
R53
R54
R55
R56
R57
R61
R62
R65
R66
R67
R71
R73
R74
R75
R81
R82
R83
R84
R85
R90
R91
R92
R95
R96
R97
R101
R102
R103
R106
R107
R108
R111
R113
R116
X1
UP
DOWN
ENT
RIGHT
LEFT
CLR MENU
CH16
S4 S3
S2 S1
DIST
J2
J1
J3J4
J5
AK
CP7
CP6
CP8
CP9
CP5CP4
B7572E
CP31
CP32 CP33 CP34 CP35 CP36 CP37
H0
H5
H10
H15 H20
H25
H30
H35 H40
H45
H50 H55
H60
H65
H70
H75
H80
H85 H90
H95
H100
H105
H110 H115
H120
H125 H130 H135
H140
V0V5V10V15V20V25V30V35V40V45V50V55V60V65