Icom IC-A220T Service Manual

9-6g
The underlined parts have been updated from the previous version of the addendum, or the original pages.
July 2019
(Addendum page)
R8
8C
5C
24V
DATA
CLK
UL
BPOUT
BEEP
VDD_ADJ
AM_DEPTH
AM_MOD
SP_CNTL
SCL_VOL1
SDA_VOL1
SCL_VOL2
SDA_VOL2
ICNTL
8T1
8T2
MM
RSSI
AF_DETOUT
NOISE
10C
A
B
C
0.1
C308
0.01
C346
15K
R367
0.001
C28
100KR360
*Q16
TC4W53FU
IC26
1
2
3
4
5
6
7
8
C56
4.7/16V
1K
R2
DTC144EU
Q61
100K
R371
1.2K
R303
ST-82
T4
0.001
C349
560P C181
39K
R332
2SD2351
Q9
LTC1069
IC7
1
AGND
2
V+
3
NC
4
VIN
5
CLK
6
NC
7
V-
8
VOUT
NANOSMDC016F
S1
7E08N-330M
L24
1
C295
2.2K R350
TA78M05F
IC44
I O
G
100K
R289
0.01 C284
0.47 C140
0.1
C328
5.6K
R343
10K R108
0.1
C197
HIP4081AIBZ
IC17
1
BHB
2
BHI
3
DIS
4
VSS
5
BLI
6
ALI
7
AHI
8
HDEL
9
LDEL
10
AHB
11
AHO
12
AHS
13
ALO
14
ALS
15
VCC
16
VDD
17
BLS
18
BLO
19
BHS
20
BHO
470K
R397
3.9K
R63
47P
C22
BA08FP
IC6
I O
G
*R442
7E05NA
L67
*R159
1K
R1
0.1
C103
*C60
2.2K R102
*R155
7E08N-330M
L25
220K
R290
10
R15
NJM2902V
IC8
1
2
3
4
5
6
7 8
9
10
11
12
13
14
3.3K
R95
4.7K R364
0.001 C404
150K
R161
0.1
C371
4.7
R19
B2P-VH
J10
1
2
0.01 C333
TC4S66F
IC80
1
2
3
4
5
0.1
C397
LM2587
IC5
1
COMP
2
FB
3
GND
4
SW
5
VIN
TDA7233DIC4
1
GND
2
MUTE
3
GND
4
+VS
5
OUTPUT
6
SVR
7
-INPUT
8
+INPUT
22 SVP
C126
1
C162
0.47
C293
7B12HA-680M
L19
HK-10S080
L23
100K
R97
ACF321825
FI2
0
R282
RSR025N03
Q59
1
C131
10K R267
10
R270
0.001
C275
C29
33/16V
C332
10/16V
0.1
C134
*C394
2.2K
R39
TC4S66F
IC67
1 2 3
4 5
100K
R368*R453
3.3K
R76
0.1
C368
100K
R291
0.01
C309
*R452
1K
R3
CMS15
D32
CMS15
D50
10K
R352
LTC6904IMS8
IC9
1
GND
2
SDI
3
SCK
4
SEN/ADR*
5
CLK
6
CLK
7
OE
8
V+
NJM2137M
IC25
1
2
3
4
5
6
7
8
C342
33/50V
BNX-002
FI1
1
B
2
CB
3
PSG
4
CG
5 6
10K
R361
C85
1000/50V
10
R269
39K R31
0.01
C283
0.01 C153
M61545AFP
IC14
1
VIN1
2
VOUT1
3
GND
4
DATA
5
CLOCK
6
VCC
7
VOUT2
8
VIN2
1M R84
*C47
1
C107
B2P-VH
J1
1
2
0.0018
C177
100K
R93
0
R32
7E08N-330M
L26
1K
R355
0.1
C327
1.2K
R51
C364
10/16V
15K
R288
0.1
C41
47K
R9
*C132
C66
470/50V
22
R130
0.01
C121
0.047
C141
*C120
TC4S66F
IC71
1
2
3
4
5
2.2K
R294
33K
R113
0.1
C395
C25
330/50V
C211
10/16V
82K
*R90
2.2 ESVP
C363
CP15S
CP7
10K
R426
*C119
0.1
C367
*C112
0.0047
C343
2.2K
R53
1
C362
BD9001F
IC75
1
SW
2
NC
3
FB
4
INV
5
EN
6
RT
7
GND
8
VIN
TA75S01F
IC22
1
2
3
4
5
0.0047
C165
1.2K
R302
2.2K
R36
180K
R353
1K
R131
C100
0.47/25V
0.001
C182
7B12HA-680M
L21
0.001
C24
BA3308F
IC13
1
OUT1
2
GND
3
NC
4
ALC
5
VCC
6
NC
7
OUT2
8
NC
9
IN2
10
NF2
11
NF1
12
NC
13
INI
14
NC
C203
100/16V
10K
R425
0.001
C23
33P C33
100
R144
0.47
C93
HK3-S-T
CP2
0.01 C37
TA78L24F
IC54
I O
G
0.1
C45
AHY107
RL1
0.1
C351
27K
R427
0.0047
C180
15K
R138
0.001 C382
0
R120
*C114
39
R64
C190
470/50V
7B12HA-680M
L18
1
C238
100K
R112
0.1
C205
33K R114
2.2K R75
33K
R429
0.1
C67
15K
R370
1K
R4
0.01
C296
RSR025N03
Q60
MPZ2012S300A
EP12
BA08FP
IC42
I O
G
0.1 C369
*C393
10K
R137
RD16M
D15
1
C255
2SJ661
Q11
100K
R399
2SC4116
Q58
4.7K R293
0.1
C360
0.1
C345
1
C72
0.1
C210
1K
R5
1SS193
D18
1SS193
D23
*R283
0.1
C144
0.1
C183
*C396
0.047 C403
*Q15
1
C359
100K R152
8.2K
R330
*R100
TA75S01F
IC76
1
2
3
4
5
10K
R105
10K
R329
MPZ2012S300A
EP11
0.01 C40
0
R322
100P C128
C49
330/50V
0.1 C83
BD9781HFP
IC31
1
VIN
2
SW
3
RT
4
GND
5
FB
6
INV
7
EN/SYNC
8
GND
150K
R354
0.001
C334
15K R107
10K
R129
C288
150/16V
100PC356
1
C78
TC7S08F
IC74
1
2
3 4
5
0
R78
100K
R428
CP15S
CP6
470P
C26
0.001
C95
0.001
C305
MAZ8051GH
D51
22
R94
0
R431
10K
R369
0.47
C106
0.001
C1
C32
10/35V
CP15S
CP3
33K
R42
CP15S
CP4
*R157
33K
R359
C151
2.2/16V
1 MSVA
C51
*R98
C79
47/10V
2.2 ESVP
C365
100K
R430
100K
R65
100K
R141
1
C187
0.1
C326
220 EEE-S
C73
470K
R398
B13B-PH-SM4-TB
J9
1
2
3
4
5
6
7
8
9
10
11
12
13
1415
0.47
C138
NTCG16
R89
DTC144EU
Q12
0.1
C370
0.001
C48
0.001
C357
C287
150/16V
MAZ8075GL
D54
1.2K
R304
R351
22K
68K
R71
DF10SC6
D26
C350
33/16V
15K
R91
15K R85
68K
*R86
3.3K
R358
56K R87
10
R357
*C111
2SD2351
Q51
0.01
C297
0.01 C101
NJM2137M
IC16
1
2
3
4
5
6
7
8
56K
R82
1
C104
C118
100/16V
0.1
C116
0.01
C113
C61
470/50V
33K
R295
*D55
0.001
C12
DAN217
D5
0.001
C7
0.001
C13
0.001
C11
DAN217
D4
0.001
C6
0.001
C15
DAN217
D6
0.001
C14
0.001
C5
100K
R331
22FLT-SM2-TB
J7
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
1
C55
0.01 C304
0.82U
L5
1K
R56
0.01
C310
10K
R37
1K
R27
2.2K
R21
1M R68
4.7K R35
1
C54
1K
R26
DAN217
D17
1
C86
470P C63
NJM2904V
IC3
V+
8
GND
4
NJM2904V
IC3
2
3
1
2.2K
R20
1
C35
1K
R55
0.01
C59
DAN217
D16
0.001
C43
330K R41
0.82U
L6
1M R69
330K R43
NJM2904V
IC3
6
5
7
0.01
C58
820K
R47
0.001 C42
1
C82
100
R12
470P C110
4.7K R34
560 R11
560
R13
1K
R40
10K
R33
820K
R48
M61545AFP
IC2
1
VIN1
2
VOUT1
3
GND
4
DATA
5
CLOCK
6
VCC
7
VOUT2
8
VIN2
D12
DAM1MA33
1
C34
SP
MIC2
HP
MIC2
MIC1
REG_C2
SP
8T2 8T1
SDA_VOL2
AM_DEPTH
SCL_VOL2
REG_C2
AUX_IN
RXD_O
INCOM_O
TXD_O
RXD_O
REM_O
PON
VOX1
VOX2
REG_C2
PTT1_O
DATA
CLK
BEEP
PON
ICNTL
VDD_ADJ
SP_CNTL
TXD_O
PTT1_O
INCOM_O
REM_O
AUX_IN
DATA
CLK
C
B
A
AF_DETOUT
HP
MIC1
MM
VOX1
VOX2
AM_MOD
SCL_VOL1 SDA_VOL1
UL
RSSI
NOISE
BPOUT
C
A
B
BPOUT
SP_CNTL
AM_MOD
AM_DEPTH
VDD_ADJ
BEEP
UL
CLK
DATA
8T1
8T2
ICNTL
SDA_VOL2
SCL_VOL2
SDA_VOL1
SCL_VOL1
MM
NOISE
RSSI
AF_DETOUT
10C
MOD
8C
16V
R8
8C
5C
40C
16V
10C
10C
5C
8C
5C
16V
5C
MOD V
TO
CONNECT UNIT
MIC GND
5C
TO
PA-EUR
UNIT
MOD V
8C
10C
+B
RXD_I
TXD_I
PTT1_I
INCOM_I
REM_I
10C
8C
5C
5C
R8
TO FRONT UNIT
10C
8C
40C
5C
5C
MIC GND
16V
16V
10C
R8
MAIN UNIT #03 (2/3)
MAIN UNIT #03 (1/3)
10.3 V
8.5 V
3.9 V
4.0 V
8.1 V
4.8 V
2.4 V
7.4 V
24.6 V
23.3 V
5.0 V
8.1 V
10.5 V
16.0 V
4.2 V
4.8 V
39.2 V
8.1 V
Table1
Table1
8.1 V
RX: 0.7 V
TX: 0 V
RX: 0.1 V
TX: 10.3 V
RX: 0 V
TX: 4.8 V
Squelch OPEN : 5.0 V
Squelch CLOSE: 0 V
5.0 V
RX
TX
Table2
Table2
Squelch OPEN : 0.1 V
Squelch CLOSE: 4.6 V
0.1 V
RX
TX
Intercom function ON : 0 V
Intercom function OFF: 5.0 V
Explanatory notes
TX Line
RX Line
Voltage Line (8V)
Voltage Line (5V)
Voltage Line (40V, 24V)
Voltage Line (10V)
Voltage Line (16V)
• MAIN UNIT 3/3 (for only IC-A210E #03)

Icom IC-A220T Specifications

General

Brand	Icom
Model	IC-A220T
Category	Transceiver
Language	English