Wiring Diagram - Icom IC-718 Service Manual Addendum

SECTION 11

WIRING DIAGRAM

FRONT UNIT
EP1
SENSOR
+5V
SEN1
SEN2
GND
VR BOARD
W3
J1
AFGL 1
GND 2
RFGL 3
GND 4
RITL 5
GND
6
SFTL 7
GND 8
5VL 9
GND 10
MIC BOARD
W5
J1 J2
MIC
1
7 1
MICE
2
6 8 2 GND
3
AFO
4
5 3
SEND
4
5
SQLS
6
UD
7
8V
8
GND
9
GND
10
W4
J2
PHONE
GND 10
AFE 9
BOARD
AFE 8
AFE 7
6
AFO
J1 AFO 5
4
AFO
ESPO 3
2
ESPO
ESPO 1
W1, W2
SP1
SP
11 - 1
W2
LOGIC J6 J4401
1
STRT 30
2
5V 29
UNIT
3
SNDS 28
4
8V 27
5
8V 26
6
HV 25
14V 7 24
8
14V 23
FSKK 9 22
10
MICE 21
MIC 11 20
12
SEND 19
SQLS 13 18
14
SEND 17
SEND 15 16
J1
S1
16
SEND 15
1 1 +5V
SPS 17 14
2 2 SEN1 18 13
PHOE
3 3 SEN2 PHOE 19 12
20 11
4 4 GND PHO
PHO 21 10
22 9
GND
23
GND 8
24 7
GND
25
GND 6
26 5
CIVE
27
CIV 4
28 3
ALMS
J3
29
NC 2
1 AFGL
30 1
KEY
2 GND
3 RFGL
W3
4 GND
5 RITL J7 J4201
6 GND
GND 1 30
7 SFTL
DOTK 2 29
8
GND
DASK 3 28
9 5VL
4
VOXL 27
10
GND
AVXL 5 26
6 25
SML
ALML 7 24
8 23
REFL
FORL 9 22
10 21
PATL
BEEP 11 20
12 19
DNB
RXS 13 18
TXS 14 17
16
J4 SBSY 15
KDS 16 15
10 MIC
14
DSPS 17
9 MICE
DSST 18 13
8 GND
19 12
SSTB
7 AFO
DINT 20 11
6 SEND
21 10
DRES
5 SQLS
ASTB 22 9
4
UD
23 8
MSTB
3 8V
7
FSTB 24
2 GND
25 6
BSTB
1 GND
5
MCK 26
27 4
MDAT
3
POWS 28
29 2
GND
1
GND 30
W1
J5
J9
J3
1 GND
2 AFE
SRST 16 1 SRST
3 AFE
FSKK 15 2 FSKK
4 AFE
CON0 14 3 CON0
5 AFO 1st LO
CON1 13 4 CON1
6 AFO
CON2 12 5 CON2
7 AFO 1LO
PDAT 11 6 PDAT
8 ESPO 1LOE
PCK 10 7 PCK
9
ESPO
8
DSTB 9 DSTB
10 ESPO 2nd LO
PSTB 8 9 PSTB
10
DNB 7 DNB
2LO
13V 6 11 13V
2LOE
12
13V 5 13V
13V 4 13 13V
BFO
14
8V 3 8V
NC 2 15 NC
BFO
16 GND
GND 1 BFOE
CHASSIS
STRT
5V
SNDS
8V
J4101
8V
GND
1
HV
GND 2
14V
GND
3
14V
PWS 4
FSKK
14V
5
MICE
14V 6
MIC
14V
7
SEND
14V 8
SQLS
14V
9
SEND
ICL 10
SEND
PAT8
11
SEND
ICH 12
SPS
HV
13
PHOE
STAR 14
PHOE
KEY
15
PHO
TEMP 16
PHO
GND
J1
GND
PAI
GND
GND
CIVE
CIV
ALMS
NC
KEY
MAIN UNIT
GND
DOTK
DASK
J4001
VOXL
T13V 10
AVXL
9
SML GND
REF 8
ALML
REFL L3 7
FOR 6
FORL
PATL L5 5
L4 4
BEEP
DNB L2 3
L1 2
RXS
TXS L6 1
SBSY
KDS
J701
DSPS
DSST
RX
SSTB
DINT
DRES
ASTB
MSTB
FSTB
BSTB
MCK
MDAT
POWS
GND
GND
PLL UNIT
WS3
J4 P3 P4 J201
W103
1 1 1 1 1LO
W104
2 2 2 2
1LOE
WS1
J1 J401
P1 P2
W101
1 1 1
1 2LO
W102
2 2 2 2
2LOE
J2 P5 J2001
W105
1 1 1 BFO
W106
2 2 2 BFOE
P1 J4502
1 1 SPO
2
2 SPE
W4
J3
GND
16
15 GND
GND
14
13 PWS
12 14V
11 14V
10 14V
9 14V
8
14V
PA UNIT
7 ICL
6
PAT8
5 ICH
4
HV
3
STAR
2
KEY
1
TEMP
J6
P1 P2
W6
PAI PAO
W7
J7
P3
W8
W9
P4
W5
J1
J2
10
T13V
9
GND
8
REF
PAO
7
L3
6 FOR
5
L5
FILTER
4 L4
3
L2
2 L1 UNIT
1
L6
W2
J3
P5
P6
W10
RX
W11
UT-106 (OPT)
10 9 8 7 6 5 4 3 2 1 4 3 2 1 4 3 2 1
8V
GND
4 3 2 1
BDT
SEND
13.8V
ACC AFO
P2601
MOD
SQLS
1 2 3 4
FSKK
KEY
BAND
ALC
J2601
ALC
J2603 J2602 ALC
1 2
GND
1 2 3 4 5 6 7 8 9 10 3 2 1
4
SEND
SEND
GND
EXT SP ESPO
UT-102
SPE
(OPT)
J2501
CIV
REMOTE
MDA 1 2 SST
CIVE
SBS 3 4 MC
5V 6
5 SPCE
GND
7 8 SPCH
DASK
ELEC-KEY
DOTK
GND
J13
J12
1
1 KEY
2
2 STAR
3
3 14V
4
4
GND
HV
GND
J1
ASC2
3 6
GND
2 5
HV
1 4
ASC1
J14
ANT
R1
J3601 P1
FAN- 1 3 FAN
2 2
FAN+ 3 1
J4651
1
2
4
4 3 2 1
3
8
8 7 6 5
7
12
12 11 10 9
11
13
13
10 6 9 5
J4801
J4501
J5001
J5101