![background image](http://html2.mh-extra.com/html/icom/ic-f620/ic-f620_service-manual_3734180029.webp)
1
4
8
5
1
4
8
5
1
12
24
13
1
10
20
11
1
8
16
9
1
4
8
5
19
to FRONT
unit J2
1
20
2
J2
GND
PWR
LINH
LCS
LCK
LSO
AFVI
CLI
GND
MIC
8V
5V
KR0
KR1
KR2
FSW
HORN
CLO
PTT
AFO
GND
30
16
1
15
J1
5V
VCC
MMUT
AFON
BEPO
RMUT
DET
DISC
REM
CCS
CIRQ
SO
SI
SCK
PTTI
PTT
O
MCO
T
MCIN
AU
X
B
USY
MD
WN
SIG
OPT1
OPT2
OPT3
GND
OPV3
OPV2
OPV1
to optional unit
PTT
11
to optional
cable OPC-617
1
J6
GND
IN
GND
DISC
GND
PAAF
GND
HORN
DIM
VCC
PGO2
9
1
10
2
J8
PGI3
PGI1
NRXD
8V
GND
PGO1
PGI2
IGSW
NTXD
10
2
9
1
J9
VCC
MD1
XCTS
XRXD
5V
GND
GND
RES
XR
TS
XTXD
SP-
2
1
to speaker
J5
SP+
ANT
J1
W1
GND
to DC cable
HV
9-2 MAIN UNIT
• TOP VIEW
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