Voltage Diagram - Icom ic-m506 Service Manual

SECTION 10

VOLTAGE DIAGRAM

• LOGIC UNIT
CP31
L3V
J11
HV
1
L3V
2
BOOT
3
TX
4
AISRXD
5
GND
6
7
J10
1
NJRST IC15
2
JTDI 5 1
3
JTMS 2 AISRXDI
4
4 3
JTCK
5
JTDO
6
NRST SN74AHC1G125DCK
7
8
JTMS
JTCK
JTDI
NM1TXD
J9 NM1RXD
VGI COM1TXD
22
VX0O C23 DB2
21
VO0 DB3
20
VM COM1RXD
19
VSS 1 DTEST
18
VD1
17
VDD
16
CSB RSTB
15
RSTB CSB
14
RD R13 1k
13
DB7 RPLAYSO
12
DB6 RNCPASSO
11
DB5 RRECSO
10
DB4 AISCO
9
DB3
8
DB2 R14 1k
7
DB1 MNCOUTSO
6
DB0 MNCPASSO
5
WR NCPDNBO
4
CMICAFSO
A0
3
K JTDO
2
NJRST
1
NRST R12
NCRESETBO
UNLKI
R71
R72
10k
Q1
2SB1201
R41
LEDV VCC
27
Q2
L2SC4081
R42
D1
220k
DZ2J091M
UP
CP44
L3V
S1 S2 S3 S4 S9
CP45
SQLV
CP46
KEY-D7 KEY-D7 KEY-D7 KEY-D7 KEY-D7 ENT
GND
LEFT RIGHT
S10 S11 S12
KEY-D7 KEY-D7 KEY-D7
DOWN
S5 S6 S7 S8
S13
KEY-D7 KEY-D7 KEY-D7 KEY-D7
KEY-D7
L3V
109
110
111
112
113
114
115
116
117
RD 118
119
WR
120
121
122
RPLAYS 123
124
IC1
125
RNCPASS
RRECS 126 STM32F101ZGT6
AISC 127
128
129
MNCOUTS
MNCPASS 130
NCPDNB 131
132
CMICAFS
133
134
135
100k
CF20
DIMM 136
CP15 BE 137
138
BOOT
R15 NCRESETB 139
UNLK 140
141
142
100 143
10k 144
CP17
SCCK
CP18 SCDATA
CP19 SCSTB
CP20
CP21
R17 R18
100 100
C44
24P
VCC
CP41
CP47
L3V DIALA
CP48
CP42
VOLV DIALB
CP43 CP49
GND PWSW
CP50
GND
1 1 . 8 V
*C179
*IC13
*C174 C64
14 1 WXDEC DSCDECO 1
CAP V+
13 2 ATISDEC 2
CAP IN
0.01
12 3 3
R LOCK
11 4 4
LOOP GND
10 5 5
REF Q
9 6 6
NC Q
8 7 7
FSK DATA
*R167
ATISIN DSCIN
ATIS DECODE
10-1
L3V
toNMEA2K
J8
5V L3V
1 2
3 4
R4 AISRXDI
5 6
100 R5 GPSRXD
7 8
1k NM1RXD
9 10
NM2KOPTI
11 12
13 14
NM2KRST
72
71
70 R22
69 100k
68
PASTBY R23
67 IOOE PASTBYO
66 IOSTB IOSTBO
65
PLSTB PLSTBO
64 DASTB DASTBO
63
62
1k
61
60 DB6
59
DB5
58 DB4 R24 100
57
56
55 PTTIN
R25
54
53
1k
52
51
50
49
48
47
46
BATTV
45
44
43
42 VER
41
40
39
R27
38
37
27k
L3V
3 . 3 V
IC11
R122
VOUT MR
4 3
VSS
C71 10
2
VDD CD
5 1
0.068
NJU7704F3
R124
R76
J4
10
KEYM
1
47k
PTT
2
GND
3 R125
MICG
4
MIC 0 EP13
5
GND
6 MMZ1005S601CT
7
C69
IC12
8
14
0.033
V+ CAP
13
IN CAP
12
LOCK R
11
GND LOOP
10
Q REF
9
Q NC
8
DATA FSK
NJM2211M
R67
DSC DECODE
100k
5 . 0 V
1 1 . 9 V
VCC
VCC
NM2KTXD EVDATAO
NM2KRXD MIC-G
MIC-IN
PONO
COMRXD
COMTXD
ICF3
PTTCI
CMICAFSO
SCCKO
SCDATAO
SCSTBO
SCRMOPTI
NCRESETBO
IOSTBO
ICF3
HORNO
RXSPMO
DB7 SCKO
DB6 SDATAO
DB5 REXTMO
DB4 RINTMO
TDETV
T5VSO
PONO UNLKI
PTTINI
LEFT
UP TEMPV
ENT
RIGHT
CLSIF
LVTX
MRSSIV
NOISEV
KEYV
BEEP CP4
DSCOUT
IC2
1
2
3
4
LMV358IPW
R30 VCC
220k
L3V
IC4
1 5
CTRL VIN
2
GND
3 4
NC VOUT
NJM2830U1
COM1TXD
CLONETXC
CMDPWSW
CLONERXC
IC17
5 1
2
IC6
1 5 4 3
2
3 4
SN74AHCT1G32DCKR
KEYV SN74AHCT1G04DCKR
NM1RXD
IC8
5 1
PTTINI 2
COM1RXD 4 3
TC7S08FU
R111
MIC-G
MIC-IN
1k
EP14
SP+
PC357N6J000F
MPZ1608S101A
EP15
SP- IC10
1 8
MPZ1608S101A RO VCC
2 7
RE B/Z
3 6
DE A/Y
NM1TXD 4 5
DI GND
ISL81487IBZ
*: Refer to the PARTS LIST for the value and name of component.
CP1
SP-
CP2
SP+
T x : 0 . 0 V
R x : 5 . 7 V
J1
SP+ SP+
40 39
SP- SP-
38 37
HV
36 35
34 33
1 2 . 0 V
32 31
BEEPO
30 29
PAINMO
28 27
PASTBYO
26 25
AFINMO
24 23
EVCKO
22 21
NCSCK
20 19
NCSDATA
18 17
RPLAYSO
16 15
RNCPASSO
14 13
RRECSO
12 11
NCSYSRDYI
10 9
T5VSO
8 7
NCPDNBO
6 5
TXMSO
4 3
2 1
J2
MNCPASSO
30
29
MNCOUTSO
28 27
26 25
24
23
NC1
22 21
20 19
18 17
AISRXDI
16 15
DSCDEC
14 13
WXDEC
12 11
RVSO
10 9
AISCO
8 7
6 5
MRSSIV
4 3
2 1
2 . 2 5 V a t 2 5 º C
L3V
R85
100
8
7
CP3
6
IC3
5 1 8
COM VCC
2 7
INH CH0
CP5
3 6
VEE CH1
4 5
GND A
TC7W53FK
Q3 D3 R93
ICF3
IC5
L1SS400 10
1 8
DTA114EU
R94 Q4 CP6
2 7
3 6
18k
4 5
L2SC4081
TC7W02FU
Q5
L2SC4081
R101 R102
COMTXD
4.7k Q6 47
IC7
1 8 L2SA1576AS
2 7
R105
3 6 Q7 COMRXD
4 5
1k
2SK880
TC7WH14FK
IC9
R113
470
J3
R117
NMEAI+
1
NMEAI-
47 2
NMEAO+
3
NMEAO-
4
R118
47