Icom IC-A220T Service Manual

9-5g
The underlined parts have been updated from the previous version of the addendum, or the original pages.
(Addendum page)
July 2019
8C
24V
1STLO
2NDLO
R8
AF_DETOUT
ANL
NOISE
RSSI
5C
FIL2
FIL1
TUNE1
AM/FM
C2012C
L66
0.001
C17
HVU187
D2
10P
*C352
0.001
C3
0.001
C325
1SV282
D60
SJ050010
J3
0.001
C18
C2012C
L65
C2012C
L63
CP15S
CP8
0.001
C2
0
R16
100K
R22
82P
C354
1.2U
*L3
E526HNA
L4
4.7K
R29
10P
*C353
HVU187
D1
C2012C
L59
100K
R17
82P
C355
0.1
C10
4.7K
R23
0.001
C4
0.1
C19
1SV282
D67
1SV282
D65
1SV282
D64
C2012C
L64
4.7K
R8
470
R14
5P
C20
0.001
C27
0.001
C30
E526HNA
L2
1SV282
D62
4.7K
R18
100
R10
HVU187
D3
0.001
C501
1SV282
D66
1SV282
D61
1SV282
D63
100K
R49
1SV282
D71
1SV282
D69
56P
C318
2.2K
R340
0
R305
*D28
33P
C320
FL-307
*FI4
1
IN
2
OUT
3
GND
4
GND
5
6
5P
C31
0.001
C65 0.001 C69
1SV282
D74
1SV282
D73
1SV282
D75
DMC561040
Q48
1
2
34
5
0
R70
0.01
C46
10P
C147
0
R462
0.01
C234
15P C80
0.001
C62
*R54
33P
C319
C1608CB
L52
0.001
C39
82
R72
C2012C
L42
R25
100K
10
R299
3P
C142
4.7K
R148
JMS-1+
IC68
1
GND
2
IF
3
RF
4
GND
5
GND
6
LO
0.01 C76
330R66
2.2K R73
1.5K
R297
1SV307
D27
0.01 C75
0.001
C74
0.001
C36
*C148
R342
100K
4.7K
R46
*L50
33P
C64
27P
*C84
HK3-S-T
CP5
*C402
22N
L11
FL-306
FI3
1
IN
2
OUT
3
GND
4
GND
56
*D20
R341
100K
0
R61
0.01
C303
*C143
C2012C
L12
0.39U
L7
1.2U
*L9
0.001
C44
*R440
5P
C38
1SV282
D68
4.7K R50
5P
C57
1SV307
D19
33K
R394
HK3-S-T
CP11
1SV282
D72
4.7K
*R77
2SC3357
Q45
33K
R393
0.001
C68
22
R62
*C258
C1608CB
L53
0.01
*C77
0.01 C237
4.7K
R74
47
R300
ERA-50SM+
IC69
3
2
1
4
E526HNA
L10
4.7K R24
0.001 C53
*C235
*R57
1P C97
47
R44
1K
R298
270
*R52
100K
R45
18
R59
1.5U
L49
E526HNA
L8
*L13
*R149
1SV282
D70
330
R58
2.2K
R151
*L48
*R441
1
C280
1K
R192
*C194
0
R404
0.1
C168
0
R175
*Q20
22
R206
470K
R410
0.01
C212
*C292
56K
R179
1K
R422
0.01
C330
560
R439
0
R6
0.0012
C178
4.7K
R405
1.2U
L61
100U
L28
3.3K
R199
82
R419
0.01
C232
0.01
C204
10K
R193
0.01
C208
2.2K
R204
2.2K R202
150
R169
0.01 C171
4.7K
R421
0.0047
C179
0.1
C196
0.1
C391
0.01
C175
0.01
C229
0.1
C386
JTBM450CX24
X1
0.01
C209
0.1
C335
HVU187
D35
0.01 C166
390K
R183
0.1
C390
100 R415
2SC4215
Q25
10K
R420
1.5K
R200
0
R177
DTC144EU
Q55
22K
R212
22K R205
820
R372
0.1
C392
L2SC4081
Q21
*R406
1.5U
L60
5.6K
R188
2SC4215
Q24
0.1
C198
100P
C170
18K
R423
CP15S
CP10
CP15S
CP13
0.01
C202
47
R168
1
C169
220K R197
*R165
27K
R411
0.01
C231
0.1
C387
1.8K
R215
0.0012
C207
100K
R356
*C291
56K
R417
2SC4215
Q26
0.1
C201
470K
R408
0.01 C213
CP15S
CP9
C150
2.2/16V
HVU187
D33
0.1C366
82K
R201
0.01
C331
1.2U
L62
10K
R207
10K
R214
100U
L29
0.033
C389
0.1
C206
0.1
C385
56K
R203
*C193
4.7K R409
CP15S
CP15
100R187
56K
R210
3.3K
R280
470
R185
0.001
C174
18P
C155
100K
R164
180
R418
0.01
C289
0.015
C388
0
R403
2SC4116
Q50
56K
R184
1.2K
R181
1SS355
D53
NJM2902V
IC81
1
2
3
4
5
6
7
8
9
10
11
12
13
14
56K
R189
1K
R194
0
R7
C161
0.01
0
R416
10K
R213
0.01
C186
0.01
C290
100K
R208
6.8K
R344
0
R414
1.5K
R209
0.1C191
100
R211
4.7K
R407
0.01C172
*FI6
IO
*FI5
IO
TC4W53FU
IC45
1
2
3
4 5
6
7
8
TC4W53FU
IC43
1
2
3
4
5
6
7
8
C160
0.01
RB876W
D52
0.001
C163
TA75S01F
IC38
1
2
3
4
5
*C184
0.01
C307
15K
R170
TC4S66F
IC70
1 2 3
4 5
68K
R186
10K
R174
100P
*C81
10K
R167
39K
R198
*C189
0
R156
39K
R196
390P
*C195
TC4W53FU
IC32
1
2
3
4
5
6
7
8
0.001
C156
15K
R173
*R191
TA75S01F
IC37
1
2
3
4
5
10K R171
100K
R158
10K
R178
0.22
C158
C159
10/16V
0.01
C306
22K
R160
100K
R163
NJM2904V
IC52
1
2
3
4
5
6
7
8
TA31136FNG
IC39
1
OSCIN
2
OSCOUT
3
MIXOUT
4
VCC
5
IFIN
6
DEC
7
FILOUT
8
FILIN
9
AFOUT
10
QUAD
11
IFOUT
12
RSSI
13
N-DET
14
N-REC
15
GND
16
MIXIN
CP15S
CP16
4.7K
R279
0.1
C157
DB2S31400
D29
0
R312
10K
R402
1U
L1
R8
FIL2 TUNE1 FIL1
FIL1 AM/FM
AM/FM
FIL2
FIL1
TUNE1
AM/FM
RX
RF_AGC
AGC1
FROM
PA-EUR UNIT
BPV
(20K)
1st_Lo
(9K)
TUNE
R8
24V
AGC2
8C
AGC3
8C
RSSI
DET
AM_DET_OUT
8C
AGC2
8C
2nd-Lo
AGC3
AGC_oUT
5C
FM_DET_OUT
5C
RSSI
NOISE
MAIN UNIT #03 (3/3)
MAIN UNIT #03 (3/3)
MAIN UNIT (1/3)
MAIN UNIT #03 (1/3)
MAIN UNIT #03 (3/3)
MAIN UNIT #03 (1/3)
4.0 V
5.0 V
0.9 V
7.9 V
2.0 V
4.9 V
2.2 V
2.2 V
8.1 V
2.0 V
2.0 V
7.7 V
2.3 V
RX: 2.7 V
TX: 0 V
RX: 4.4 V
TX: 0 V
RX: 8.1 V
TX: 0 V
RX: 7.3 V
TX: 0 V
RX: 2.7 V
TX: 0 V
RX: 8.0 V
TX: 0 V
AM Mode: 11.2 V
FM Mode: 0 V
AM Mode: 0 V
FM Mode: 1.2 V
AM Mode: 3.4 V
FM Mode: 0.1 V
AM Mode: 0.9 V
FM Mode: 0 V
ANL function ON: 0.1 V
ANL function OFF: 5.0 V
RX: 5.1 V
TX: 0 V
RX: 5.1 V
TX: 0 V
RX: 5.1 V
TX: 0.1 V
RX: 5.1 V
TX: 0.1 V
8.1 V
8.1 V
8.1 V
8.1 V
4.1 V
4.0 V
0 V
0 V
0 V
0 V
4.1V
4.0 V
D
Wide Mode Narrow Mode
A
B
C
E
F
G
H
D
A
B
C
E
F
G
H
Explanatory notes
RX Line
Voltage Line (8V)
Voltage Line (5V)
Voltage Line (24V)
• MAIN UNIT 2/3 (for only IC-A210E #03)

Icom IC-A220T Specifications

General

Brand	Icom
Model	IC-A220T
Category	Transceiver
Language	English