![background image](http://html1.mh-extra.com/html/icom/ic-a210/ic-a210_service-manual_3473139102.webp)
9-13g
(Amended page)
July 2019
The underlined parts have been updated from the previous version of the addendum, or the original pages
.
RX: 3.3 V
TX: 0 V
5.0 V
10.1 V
16.0 V
3.3 V
3.3 V
1.3 Vp-p
16.0 MHz
Key backlight ON : 4.9 V
Key backlight OFF: 0 V
Key backlight ON : 4.9 V
Key backlight OFF: 0 V
Key backlight ON : 4.9 V
Key backlight OFF: 0 V
1k
R53
CP13
1k
R1
0.01
C43
0.01
C48
LDTA123YET
Q2
4.7k
R64
10
C58
47k
R83
10
C60
390
R34
1
C18
CP6
CP12
0.01
C26
CP17
0.01
C22
SHOR
TLAND
CP3
0.01
C55
1k
R5
0.1
C68
CP5
100k
R99
SHOR
TLAND
CP1
0.001
C3
10k
R81
0.01
C33
0.01
C66
XC6221A332MR
IC7
1 VIN
2 VSS
3 CE
4
NC
5
VOUT
0.01
C85
0.001
C86
10k
R42
J4
1
2
3
4
5
6
7
8
9
10
1k
R75
L1
12U
47k
R73
100k
R96
330k
R23
0.1
C13
390
R36
0.1
C10
0.01
C15
EZJP0V080DA
D2
EC1
1EAB24C
S1
1
COM
2
A
3
B
4
COM
5
A
6
B
7
8
1k
R3
0.01
C4
0.01
C32
SHOR
TLAND
CP4
390
R31
47k
R26
910k
R24
CP9
SHOR
TLAND
CP2
47k
R51
330
R37
0.01
C42
XC6221A332MR
IC5
1 VIN
2 VSS
3 CE
4
NC
5
VOUT
0.01
C20
330
R38
1k
R
11
1k
R55
0.01
C95
47k
R72
0.001
C2
0.027
C41
100
R28
1k
R7
390
R33
0.001
C64
0.01
C40
0.01
C54
0.01
C81
0.1
C23
15
R16
0.01
C7
100k
R97
330
R39
10k
R44
EZJP0V080DA
D1
J3
1 2 3 4 5 6
7
8
BH1620FVC
IC9
1
VCC 2
GND 3
GC1
4 GC2
5 IOUT
47k
R91
47k
R49
0.01
C49
0.1
C62
0.001
C63
47k
R25
TC7S04FU
IC14
1
2
3
4
5
0.01
C67
ADM3101EARQZ
IC10
1 C1-
2 C1+
3 NC
4 ROUT
5 TIN
6 NC
7 V+
8 VCC
9
GND
10
V-
11
NC
12
TOUT
13
RIN
14
NC
15
C2-
16
C2+
2SC4215
Q4
100k
R87
10k
R95
47k
R52
0.01
C24
0.001
C83
0.1
C96
1
C36
47k
R71
BD5242G
IC3
1 OUT
2 VDD
3 VSS
4
NC
5
CD
0.1
C9
0.1
C12
0.001
C100
CP8
100k
R88
BD5242G
IC4
1 OUT
2 VDD
3 VSS
4
NC
5
CD
CP7
1k
R47
47k
R80
47k
R50
NJU6060V
IC8
1 VDD
2 RSTb
3 CSb
4 CLK
5 DATA
6
OSC
7
VSS
8
LED1
9
LED2
10
LED3
100
R13
CP18
TC7S08FU
IC11
1
2
3
4
5
10k
R41
B1931TX
DS5
0.1
C93
10k
R43
0.1
C19
B1931TX
DS1
0.01
C27
TC7S00FU
IC13
1
2
3
4
5
47k
R103
1k
R46
12P
C45
47k
R48
47k
R74
B1931TX
DS3
0.01
C37
CR-917
X1
47
R22
100
R45
0.01
C35
47k
R65
0.01
C39
15k
R66
B1931TX
DS10
100
R76
LS37J2
S3
0.01
C30
0.01
C47
0.01
C28
LS37J2
S6
B1931TX
DS9
NJM2830U1
IC6
1 CTRL
2 GND
3 NC
4
VOUT
5
VIN
47k
R94
J1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
0.01
C52
0.001
C1
0.01
C17
47k
R92
12P
C44
TC7S08FU
IC12
1
2
3
4
5
100k
R100
4.7k
R101
MPZ2012S102A
EP1
0.001
C89
330
R40
B1931TX
DS2
0.1
C87
0.01
C92
B1931TX
DS6
0.1
C91
0.01
C56
0.1
C90
0.01
C57
0.1
C11
0.001
C61
0.1
C94
10
R12
47k
R77
10
C82
10
C59
4.7k
R102
1
C98
B1931TX
DS7
1
C99
100k
R98
LS37J2
S2
1
C51
47k
R84
LS37J2
S4
1k
R86
0.001
C8
B1931TX
DS4
CP14
1k
R15
47k
R90
B1931TX
DS8
0.01
C46
0.01
C50
100k
R85
2.2M
R8
0.001
C69
LS37J2
S5
3.3
C29
47k
R93
0.001
C97
0.01
C25
100k
R14
1M
R62
470k
R6
1
C31
100k
R17
2.2k
R82
0
R21
2.2M
R4
1
C38
1
C84
LDTA123YET
Q3
47k
R27
4.7k
R63
2.2
C65
100k
R89
J2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41
42
CP16
47k
R79
47k
R78
1
C16
1
C34
0.001
C5
CP15
0.001
C88
0.001
C14
LDTA123YET
Q1
0.01
C53
NJM2746RB1
IC15
1
2
3
4
5
6
7
8
10
C21
390
R35
1k
R54
CP1
1
390
R32
CP10
100k
R29
*R67
*R68
TM4C129CNCPDTI3R
IC1
1
PD0
2
PD1
3
PD2
4
PD3
5
PQ0
6
PQ1
7
VDD
8
VDDA
9
VREF
A+
10
GNDA
11
PQ2
12
PE3
13
PE2
14
PE1
15
PE0
16
VDD
17
GND
18
PK0
19
PK1
20
PK2
21
PK3
22
PC7
23
PC6
24
PC5
25
PC4
26
VDD
27
PQ3
28
VDD
29
PH0
30
PH1
31
PH2
32
PH3
33
PA0
34
PA1
35
PA2
36
PA3
37
PA4
38
PA5
39
VDD
40
PA6
41
PA7
42
PF0
43
PF1
44
PF2
45
PF3
46
PF4
47
VDD
48
GND
49
PG0
50
PG1
51
PG2
52
PG3
53
PG4
54
PG5
55
PG6
56
PG7
57
PQ5
58
PQ6
59
PK7
60
PK6
61
PK5
62
PK4
63
VDD
64
WAKE
65
HIB
66
XOSC0
67
XOSC1
68
VBA
T
69
VDD
70
RST
71
PM7
72
PM6
73
PM5
74
PM4
75
PM3
76
PM2
77
PM1
78
PM0
79
VDD
80
GND
81
PL0
82
PL1
83
PL2
84
PL3
85
PL4
86
PL5
87
VDDC
88
OSC0
89
OSC1
90
VDD
91
PB2
92
PB3
93
PL7
94
PL6
95
PB0
96
PB1
97
PC3/TD0/SW0
98
PC2/TDI
99
PC1/TMS/SWDIO
100
PC0/TCK/SWCLK
101
VDD
102
PQ4
103
PP2
104
PP3
105
PP4
106
PP5
107
PN0
108
PN1
109
PN2
110
PN3
111
PN4
112
PN5
113
VDD
114
GND
115
VDDC
116
PJ0
117
PJ1
118
PP0
119
PP1
120
PB5
121
PB4
122
VDD
123
PE4
124
PE5
125
PD4
126
PD5
127
PD6
128
PD7
10k
R9
470
R10
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D13
D14
D15
WRB
RDB
CSB
A0
CLK_IC12
DA
TA_IC1
1
TMS
TCK
C
A
CDC
SWAP
RCL
MEM
EC
CSDM
CSDM
CLK_IC12
DATA_IC11
TDI
TDO
D0
1MA 1MB
25KB
25KA
25KA 25KB 1MA 1MB
SELA
SELB
SELC
SELDSELD
SELD SELC SELB SELA
TDO
TDI
TMS
TCK
RCL
SW
AP
MONIS
EC
DUALS
PTT1_O
PHOT
O
VR
A B
C
A
B
C
CDC
EPDA
EPCL
DATA_IC11
CLK_IC12
TXD31
RXD31
D3
D2
D1
D0
D8 D9
D10
D13
D12 D
11
D15
D14
D12
D
11
A0
CSB
RDB
WRB
RESET
RESET
RESET
RXD32
TXD32
MEM
RSTB
RSTB
DIALS
DIALS
PTT1_O
I2CLK
I2DA
T
B A
BPOUT
RSSI
TMS
TCK
TDO
TDI RXD31 RESET
TXD31
RXD32
TXD32
A0
CSB
WRB
RSTB
RDB
MI2L
MI1L
RSSI
NOISE
REML
INCS
INCS
MI2L
MI1L
NOISE
RSSI
REML
PHOTO
LIGL
LIGL
BPOUT
VR
MONIS
I2DA
T
I2CLK
REML
D4
D5
D6
D7
I2CLK I2DA
T
DUALS
5C
TO EL DISPLAY
JTAG3
JTAG2
GND
TO ONCHIP
EMULATOR
SEL C
SEL B
SEL A
SEL D
<-->
RCL
MEM
DUAL
EC
DAIAL BL
VR BL
16V
3C
5C
RESET
5C
5C
PON
10C
3.3C
3.3C
3.3C
3.3C
16 MHz
5C
To VOLUME-B UNIT J1
Explanatory notes
Voltage Line (16V)
Voltage Line (10V)
Voltage Line (3.3V/3V)
Voltage Line (5V)
100
R3
0.01
C2
0.01
C1
0.001
C3
0.001
C4
TP76N00NA
R1
1
2
3
4
5
6
7
J1
1
2
3
4
5
6
7
8
100
R2
MONI
GND
PON
VR
GND
3.3V
Explanatory notes
Voltage Line (3.3V)
VOLUME-B
UNIT
• FRONT-B UNIT (for only IC-A220)