Icom IC-F4160 Service Manual page 193

• For IC-F4160 series
• FRONT-A UNIT
(TOP VIEW)
to VR unit J701
2 20
J4
1 19
to FRONT unit J501
2
J3
1
J2
40 D_IF D_IF
GND GND
+5V NC
VCC NC
NC NC
NC DMO
NC NC
NC DMI
NC NC
DISC VREF
NC NC
DAFO NC
NC NC
CCS OPT1
CIRQ OPT2
NC OPT3
CSO GND
CSI NC
CCK GND
21 GND GND 20
to optional unit
J1
40 NC NC
GND GND
+5V PTTI
VCC PTTO
NC MCOT
MMUT NC
AFONO MCIN
BEPO NC
RMUT NC
DISC NC
AFOUT NC
NC BUSY
REM SIGO
CCS OPT1
CIRQ OPT2
NC OPT3
CSO GND
CSI OPV3
CCK OPV2
21 GND OPV1 20
to optional unit
10 - 3
• MAIN-A UNIT
(TOP VIEW)
RXRF
GND ISENS
from RF
T2
unit J602
T5V TXRF
TMUT
20
19
LV
1 CP4
AFOUT
MIC
1
CP2
40 CP3
21
20
1
PTT
40 1
B6678D
RSSI
21
20
UHF
• RF UNIT
(TOP VIEW)
HV
GND from RF
unit J601
GND
J601
5 GND
TXRF
GND
ISENS C648
C647
1 HV R624
to MAIN unit
C642
• VR UNIT
(TOP VIEW)
EMER
B6420C
• BC-160
(TOP VIEW)
SCRM
from battery
C633
IC601
F601
J602
R607
R611
5 TMUT
T5V
C628 T2
GND
RXRF
1
to MAIN unit
C613
B6424D
R605
R604 CHASSIS
J1
R601
C618
D604
ANT
DS701
Q701
R701
• JACK UNIT
(TOP VIEW)
MP801
B6421D
(NO 2nd LAYER)