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9-4 LOGIC BOARD
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TOP VIEW
9 - 2
R79
R82
C14
R78
R47
R46
R26
R86
R87
C32
X1
R7
C24
IC6
R20
R17
IC2
Q11
C28
R39
R42
R41
R6
R34
Q5
Q6
D2
R4
J1
J2
D1
C9
IC7
C6
C3
C5
C4
Q9
R76
Q10
Q4
R2
R1
J4
R5
Q8
C22
C23
R71
C31
R69
R68
R67
R66
R65
R64
R62
R63
R72
R53
R54
R52
R85
C18
C30
C8
R50
R51
R55
R56
R57
R58
R59
R60
R61
R73
R70
IC1
Q1
R9
R8
R81
R80
R84
C10
R44
R45
C21
R11
R83
R14
R16
R13
R19
R22
R18
R21
R12
R15
R12
IC5
R75
R74
C20
R10
C11
IC4
C27
C13
R35
C2
R36
R26
R43
C25
Q7
R77
R3
C7
J3
Q2
Q3
SP—
SP+
to Front unit SP1
to Front unit SP1
C1
IC3
J4
J3
J1
J2
B5584B
ICOM
BE
1
1
1
SP+
—
SP
BPLVL
HVS
—
5V
GND
GND
TMUT
TXDET
HI/LO
SQLV
PTT
BPFV
RMUTS
SMUTE
SQL
UNLK
PSTB
SP+
SP
BEEPM
—
HVS
5V
RCV
SEND
GND
GND
DSENC
DSDEC
WXDEC
PTTS
PTTM
RMUTM
MMUTE
GND
PDATA
PCK
40
2
39
J4
1
From/to Main unit J6
GND
KEYM
2
J3
1
From Smart Mic HM-129
GND
ICF3
CLDA
LCDA
4
J1
1
From/to Remoto Mic HM-127
NMEA
NMEA+
2
J2
1
From External GPS