Wiring Diagram - Icom IC-78 Service Manualvice Man

SECTION 11

WIRING DIAGRAM

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