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9 - 3
9-2 MAIN UNIT
• TOP VIEW
VCC
FVPX
CTS
RXD
+5V
GND
GND
RES
RTS
TXD
from
Optional cable
OPC-822
9
1
10
2
J501
PTT
GND
IN
GND
DISC
GND
PAAF
GND
HORN
DIM
VCC
from
Optional cable
OPC-617
11
1
J4
PTT IN
PTT OUT
MIC OUT
MIC IN
AUX
BUSY
MDWN
SIG OUT
OPT1
OPT2
OPT3
GND
OPV3
OPV2
OPV1
to Optional unit UT-96, UT-105
1
15
GND
L5V
VCC
MMUT
AF ON
DEEP OUT
RMUT
DISC
AF OUT
REM
CCS
CIRQ
SO
SI
SCK
J6
30
16
ESI
ECS2
CPU5V
ECK
ESO
GND
6
2
5
1
to Optional unit EX-1761
J7
VCC
VCC
SP
SPE
+8V
FTXD
FRXD
POSW
MICE
MIC
GND
AFO
to FRONT unit J2
J5
1
12
1
11
1
6
2
5
50
26
75
25
76
51
1
100
8
4
1
5
1
15
30
16
OPS1
CPU5V
PTT
OPTION
L5V
OPS2
10
2
9
1
1
5
TMUT
MT8V
13
24
12
1
1
5
8
4
9
16
8
1
1
4
8
5
1
4
8
5
MP6
1
12
X501
MP2, MP4
L.V.
5
8
4
1
4
1
5
8
EP2
EP2
IC11
VHF
HV
W4
RED
X1
1
2
3
4
5
6
7
8
9
X10
MP12
W4
BLACK
L7
L3
L2
L1
MP9, MP8
CHASSIS
J1
ANT
J2
W4
EP3
EP3
The combination of this page and the next page show
the unit layout in the same configuration as the actual
P. C. Board.