Voltage Diagram - Icom IC-M400BB Service Manual

SECTION 10.

VOLTAGE DIAGRAM

• LOGIC UNIT
L3V
1
NJRST
2
JTDI
3
JTMS
4
JTCK
5
JTDO
6
NRST
7
8
J6
TRACECK
1
TRACED0
2
TRACED1
3
TRACED2
4
TRACED3
5
J7
JTMS
JTCK
JTDI
CLOTXD
CLORXD
DTEST
R12
L3V PONO
22
GND T5VSO
21
TXMSO
20
RVSO
19
18
100
17
16
GND
15
VDD
14
DB7
13
DB6 RINTM
12
DB5
11
DB4 CD
10
DB3 CS
9
DB2 RESETB
8
DB1
7
DB0 JTDO
6
VDD NJRST
5
WR0
4 R16
CD UNLKI
3
RESETB
1k
2
CS
1
J5
MPZ1608S101A
EP2
VCC-C
J1
To the MAIN UNIT VCC
1
J2 COMRXD 7
7 1
AF/MIC MICG AF/MIC 2
1 2
GND GND ICF3 8
3 4
COMRXD ICF3 COMTXD 6
5 6 6 8 2
3
COMTXD PTTC MICG
7 8
VCC-C VCC-C GND 4
9 10
PTTC 5
5 3
4
CONNECT UNIT
L3V
IC9
1
A0 VCC
2
A1
3
A2 SCL
4
VSS SDA
GT24C256
CP11
CP19
CP15S CP15S
CP12 CP14
CP15S
CP15S CP15S
S1 S2 S3 S4
KEY-D7
CP20
KEY-D7 KEY-D7 KEY-D7 KEY-D7
CP15S CP21
CP15S
S10
CP18 KEY-D7 KEY-D7
CP15 CP16 CP17
CP23
CP15S CP15S CP15S CP15S
S5 S6 S7 S8
CP15S
KEY-D7 KEY-D7 KEY-D7 KEY-D7
KEY-D7
L3V
109
PA14
110
PA15
111
PC10
112
R11 100k PC11
113
PC12
114
PD0
115
PD1
116
PD2
PON 117
PD3
T5VS 118
PD4
TXMS 119
PD5
120
VSS_10
121
VDD_10
RVS 122
PD6
123
PD7
124
PG9
IC1
125
PG10
126
STM32F100ZET6B
PG11
127
PG12
128
PG13
129
PG14
130
VSS_11
131
VDD_11
132
PG15
133
PB3
134
PB4
135
PB5
CF20 136
DIMM
PB6
CP1 BE 137
PB7
CP15S
138
CP28 BOOT0
139
PB8
BOOT 140
PB9
141
PE0
142
PE1
143
VSS_3
144
VDD_3
C44
24P
CP27
CP15S
VCC
7.9872MHz
344mVP-P
8
7
WP
6
5
UP
S9
C64
1
DSCDECO
L3V
2
0.01
3
ENT
4
CP22
5
RIGHT
6
CP15S 7
S11 S12
J3
DSCIN
KEY-D7
GND
1
DOWN DIALA
2
DIALB
3
S13 POW
4
10 - 1
L3V
R3
1k
NC_BUSY
72
VDD_1
71
VSS_1
70 COM1RXD
PB11
69 COM1TXD
PB10
68
PE15 R21 R22
67 IOSTBO
PE14
66
1k
PE13
100k
65
IOSTB R23
PE12
64 PLSTB PLSTBO
PE11
63 DASTB DASTBO
PE10
62
VDD_7
61 SDATAO
VSS_7
60
PE9
59 SCK 1k
PE8
58 SDATA
PE7
57
PG1
56
PG0
55
PF15
54
PF14
53 PTTIN R24
PF13
52 100k
VDD_6
51
VSS_6
50
PF12
49
PF11
48
PB2 R25
47
PB1
46
PB0
1k
45
PC5
44
PC4
43
PA7
42 VER
PA6
41
PA5
40
PA4
39
VDD_4
38
CP25
VSS_4
37
PA3
CP15S
R26
R29
27k
220k
11.99V
CP15S
CP26
CLORXD
L3V L3V
IC10
NRST
VOUT MR
12.00V
4 3
VSS C71
2
VDD CD
5 1
0.068
NJU7704F3
R66 J2
HV
KEYM
47k 1
PTT
2
GND
3
4
MIC
5
11.95V
GND
6
SP+
C69 7
IC11 SP-
8
14
V+ CAP 0.033
13
IN CAP
12
LOCK R
11
GND LOOP
10 J8
Q REF
9
Q NC
8 HV
DATA FSK 1
L3V
2
NJM2211M BOOT
R57 3
TX
4
RX
100k 5
GND
6
L5V
7
CP4
L5V
CP15S
CP5
VCC
CP15S
SP+
SP-
VCC
L5V
TEMPV
MIC-G
TDETV
WDECV
DSCDEC
BEEPO
HORNO
TXMSO
RVSO
PONO
DASTBO
IOSTBO
ICF3
COMTXD
COMRXD
SCKO
DB1
DB0
CP6
S4
S3
IC2
1 8
PTTINI
2 7
3 6
NOISEV 4 5
KEYV
LMV358IPW
BEEP
DSCOUT
VCC 3.31V
L3V
IC4
1 5
HV
CTRL VIN
2
GND
3 4
NC VOUT
NJM2830U1
CLOTXD
CLORXD
COM1TXD IC6
1
2
3
TC7SET04FU
IC7
KEYV 1
COM1RXD 2
3
4
PTTINI IC12 TC7WH14FK
5 1
2 RX
NM1RXD 4 3
MIC-G TC7SET08FU
R101
SP+
1k
/NMEAI
PC357N6J000F
SP-
L5V
Q8
L2SC4081
Q9
NM1TXD
DTC124EU
*: Refer to the PARTS LIST for the value and name of component.
CP3
SP-
CP2 CP15S
SP+
CP15S
C155
0.01
J1
SP+ SP+
40 39
SP- SP-
38 37
HV
36 35
34 33
32 31
MIC-IN
30 29
LOINV
28 27
NOISEV
26 25
UNLKI
24 23
DSCENC
22 21
20 19
NC_BUSYO
18 17
T5VSO
16 15
PLSTBO
14 13
SCKO
12 11
SDATAO
10 9
RXSPMO
8 7
REXTMO
6 5
RINTMO
4 3
2 1
L3V
R75
100
CP7
IC3
1 8
COM VCC
2 7
INH CH0
3 6
VEE CH1
4 5
GND A
TC7W53FK
CP8
CP15S
HV
D3 R83
ICF3
IC5
L1SS400 10
Q3
1 8 CP9
DTA114EU R84
2 7
3 6
47k CP15S
4 5 Q4
L2SC4081
TC7WH14FK
L5V
Q5
L2SC4081
5
R91 R92
4
COMTXD
Q6
4.7k 47
L2SA1576AS
8
7
R95
6 Q7 COMRXD
5 2SK880
1k
IC8
R103 EP11 MMZ1005S601CT
820
To the REAR CABLE
J4
R107
NMEAI+
1
NMEAI-
12 2
NMEAO
3
GND
4