Icom IC-M506 Service Manual page 36

SECTION 8
LOGIC UNIT
DS1
J9
22
21
20
19
18
17
16
15
14
13
12
LCD
11
10
9
8
7
6
5
4
3
RESETB
2
1
J1
SP+ SP+
40 39
SP- SP-
38 37
HV
36 35
VCC
34 33
L5V GND
32 31
EVDATA BEEPO GND
30 29
MIC-G PAINMO HORNO
28 27
MIC-IN PASTBYO RXSPMO
26 25
PONO AFINMO SCKO
24 23
COMRXD EVCKO SDATAO
22 21
COMTXD NCSCK REXTMO
20 19
ICF3 NCSDATA RINTMO
18 17
PTTCI RPLAYSO TDETV
16 15
CMICAFSO PANCPASSO DSCENC
14 13
SCCKO RRECSO UNLKI
12 11
SCDATAO NCSYSRDYI DASTBO
10 9
SCSTBO T5VSO PLSTBO
8 7
SCRMOPTI NCPDNBO LVTX
6 5
NCRESETBO TXMSO LVRX
4 3
IOSTBO GND TEMPV
2 1
W2
FFC-1024
(8910000220)
J1
SP+ SP+ GND
1 2
SP- SP- HORNO
3 4
HV RXSPMO
5 6
VCC SCKO
7 8
L5V GND SDATAO
9 10
EVDATA BEEPO REXTMO
11 12
MIC-G PAINMO RINTMO
13 14
MIC-IN PASTBYO TDETV
15 16
PONO AFINMO DSCENC
17 18
COMRXD EVCKO UNLKI
19 20
COMTXD NCSCK DASTBO
21 22
ICF3 NCSDATA PLSTBO
23 24
PTTCI RPLAYSO LVTX
25 26
CMICAFSO PANCPASSO LVRX
27 28
SCCKO RRECSO TEMPV
29 30
SCDATAO NCSYSRDYI
31 32
SCSTBO T5VSO
33 34
SCRMOPTI NCPDNBO
35 36
NCRESETBO TXMSO
37 38
IOSTBO GND
39 40
RSCOUT
J4 MSCOUT
CMD-VCC CMD-VCC
1 2
PTTC COMTXD MSCIN
3 4
ICF3 COMRXD SCSTBO
5 6
GND GND SCDATAO
7 8
MICG AF/MIC SCCKO
9 10
W4
OPC-2216
(8900020400)
J2
CMD-VCC CMD-VCC VCC
10 9
PTTC COMTXD COMRXD
8 7
ICF3 COMRXD AF/MIC
6 5
GND GND ICF3
4 3
MICG AF/MIC COMTXD
2 1
MICG
GND
PTTC
CONNECT UNIT
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GENERAL WIRING
L3V
GND
VLCD
VB1+
VB1-
VBO-
VB0+
GND
VDD
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
VDD
WRO
CD
CS
J2
MNCPASSO
30 29
MNCOUTSO
28 27
GND
26
25
GND
24 23
NC1
22 21
GND
20 19
GND
18 17
AISRXDI
16 15
DSCDEC
14 13
WXDEC
12
11
RVSO AISRXDI
10 9
AISC GPRXD
8 7
NOISEV NM1RXD
6 5
MRSSIV ICF3
4 3
GND GND
2 1
W3
FFC-1025
(8910000230)
EP1(NMEA2000 UNIT)
J2
MNCPASSO
1 2
MNCOUTSO
3 4
GND
AISRXDI
5 6
GND
GPRXD
7 8
NC1
NM1RXD
9 10
GND
ICF3
11
12
GND
GND
13 14
AISRXDI
15 16
DSCDEC
17 18
WXDEC
GND
19 20
RVSO
GND
21 22
AISC
23 24
NOISEV
25
26
MRSSIV
27 28
GND
29 30
MAIN UNIT
For UT-112
J7
SCRMOPTI
14 13
GND
12 11
MDET GND
10 9
GND
8 7
GND GND
6 5
GND GND
4 3
5V AIS8V
2 1
J1
EP1(AIS UNIT)
1
7
7 1
2
GND
8 GND
6 AIS8V
6 8 2
3
4
5
5 3
4
to COMMANDMIC
1
2
3
4
MIC-IN
5
6
7
8
MC1
J4
KEYM
1 1
PTT
2 2
GND
3 3
MIC-G
4
4
MIC-IN
5
5
GND
6
6
SP+
7
7
SP-
8 8
R1
SP+
SP-
W1
(9035700010)
DIAL UNIT
J1
GND
1 1
DIALA
2 2
DIALB
3 3
PWSW
4 4
VOL UNIT
J1
GND
1 1
VOLV
2 2
L3V
3 3
SQL UNIT
J1
GND
1 1
SQLV
2 2
L3V
3 3
J3
NMEAI+
1 1
NMEAI-
2 2
NMEAO+
3 3
NMEAO-
4 4
J8
5V L3V
1 2
NC GND
3 4
N2KTXD
5 6
N2KRXD
7 8
NM2KRST
9 10
NM2KOPTI
11 12
GND
13 14
W2
OPC-1019
(8910000170)
CONNECT UNIT
J22
5V L3V
14 13
NC GND
12 11
N2KTXD
NET-S
10 9
N2KRXD
NET-C
8 7
NM2KRST
6 5 NET-H
NM2KOPTI
4 3 NET-L
GND
2 1
J21
GND
5V
1 2
GND
CAN_TX
3 4
NC
NC CAN_RX
5 6
ANT
GND
J5 PA+
AISIN PA-
1 2
GND SP+
3 4
AISRXDI SP-
5 6
J1
CHASSIS UNIT
AISIN
1 2
GND
3 4
AISRXDI
5 6
8-1
KEYM
PTT
GND
SMART MIC
MIC-G
HM-205B
GND
SP+
SP-
KEYM
PTT
GND
MIC-G
MIC-IN
GND
SP-
SP-
SP1
FRONT UNIT
GND
DIALA
DIALB
POW
GND
VOLV
L3V
GND
SQLV
L3V
NMEAI+
SMART MIC
NMEAI-
HM-205RB
NMEAO+
NMEAO-
KEY 1
7
GND
7
2
MIC-IN
8
AF
HANG 6
6 8
MICG 3
GND 4
PTT 5
5
4
W2
CAB-1092
NMEAI+ YELLOW
1 J1
2
NMEAI- GREEN
2 1
3
5
4
NMEAO+ WHITE
3 4
5
NMEAO- BROWN
J2
5V
6 5
CAN_TX
4 3
CAN_RX
2 1
W1
J1
(7030012290)
1
HV
GND
J3
PA+
1 1
PA-
2 2
SP+
3 3
SP- W1
4 4
CAB-1091
HV RED
GND BLACK
PA+ ORANGE
PA- GRAY
SP+ BLUE
SP- BLACK
1
2
3