Icom IC-A220T Service Manual

9-3g
The underlined parts have been updated from the previous version of the addendum, or the original pages.
July 2019
(Amended page)
BU2099FV
IC48
1
VSS
2
NC
3
DATA
4
CLOCK
5
LCK
6
Q0
7
Q1
8
Q2
9
Q3
10
Q4
11
Q5
12
Q6
13
Q7
14
Q8
15
Q9
16
Q10
17
Q11
18
SO
19
OE
20
VDD
4.7K R245
BU4081BF IC46
1 2 3 4 5 6 7
8 9 10 11 12 13 14
220
R262
0.001
C261
330
R264
2SC4215
Q38
10K
R247
1KR237
0.01
C230
27P
C244
1K
R252
0.001
C253
100
R248
82
R253
2SC4226
Q41
100P C220
0.001
C236
100P
C216
10K
R238
1K
R217
33K R259
0.001
C224
0.01
C228
0.001
C266
0.001
C384
0.001
C233
82K R254
1.5K
R258
0.001
C265
100
R233
27P
C241
2SC4215
Q35
0.01
C245
82
R257
0.001
C252
12K
R218
15P
C274
C239*
10K
R216
100
R256
DAN235E
D36
DTB113ZK
Q30
DTB113ZK
Q32
47K
R277
4.7K
R278
0.001C282
0.1
C214
4.7/16V
C254
22FLT-SM2-TB (LF) (SN) (M)
J7
1 2
4
3
5 6
7 8
9
10
11 12
13 14
15 16
17 18
19 20
21 22
2SC4226
Q33
68K
R230
0.001
C273
0.01 C117
4.7K
R104
0.01 C96 0.001
C108
12P
C105
2.2K
R263
22P
C125
2SD2351
Q42
2SK508
Q6
15
R219
0.001
C109
33P
C222
0.5P
C87
2P
C115
0.01
C167
0.01
C124
KV1770S
D22
4.7K
R103
2SK508
Q5
2SC4215
Q3
0.001
C268
0.001
C89
18P
C139
0.001
C90
0.001
C227
0.01
C99
470 R227
10K
R101
33/16V
C269
2SC4215
Q2
12P
C130
15P
C92
18P C91
0.5P
C88
KV1770S
D21
82N
L31
18P
C102
10K
R99
ADF4110BRUZ
IC47
1
RSET
2
CP
3
CPGND
4
AGND
5
RFINB
6
RFINA
7
AVDD
8
REFIN
9
DGND
10
CE
11
CLK
12
DATA
13
LE
14
MUXOUT
15
DVDD
16
VP
110N
L36
47K
R301
DTC144EU
Q46
0.01
C298
0.01
C299
0.01
C300
0.01
C302
100K
R313
100K
R314
100K
R315
1KR316
1KR318
1KR317
0
R319
L51
220N
3P
C312
10P
C313
0
R79
0.00 1C316
0.001C315 0.00 1C317
1M
R320
JZ100
C127
JZ100
C136
2SB1302S Q29
10K
R28
39P
C218
270
R92
330
R88
10P
C94
5PC98
680
R106
39P
C137
220
R109
22K R222
10K
R327
1K
R328
C2012C
L47
CR-860
X2
1
VCONT
2
GND
3
OUT
4
VCC
C215
0.47/25V
0
R336
L32*
100K
R232
A
B
C
D
E
F
G
H
I
J
CP15S
CP7
CP15S
CP6
56N
L57
135N
L34
L35
47N
L56
47N
CP15S
CP14
0.001
C347
10K R292
4.7K
R323
4.7KR324
4.7K
R246
CD4028BNSR
IC49
1
Q4
2
Q2
3
Q0
4
Q7
5
Q9
6
Q5
7
Q6
8
VSS
9
Q8
10
A
11
D
12
C
13
B
14
Q1
15
Q3
16
VDD
15
R220
15
R223
39P
C225
56P
C219
33
C240
TMP-S01X-C1
J8
2979
MP1
DTC144EU
Q53
1K
R377
100K
R118
10
R378
M62364FP
IC78
1
VIN1
2
VOUT1
3
VOUT2
4
VIN2
5
VDD
6
LD
7
CLK
8
DI
9
VIN3
10
VOUT3
11
VOUT4
12
VIN4
13
VIN5
14
VOUT5
15
VOUT6
16
VIN6
17
DO
18
VDAREF
19
RESET
20
GND
21
VIN7
22
VOUT7
23
VOUT8
24
VIN8
0R379
0
R380
0
R381
DTC144EU
Q54
47K
R383
10K
R384
10K
R385
4.7
R386
0.1C373
0.1C374
0.01
C376
1
C375
0
R387
0
R388
33P
C377
L68
22N
0.01
C378
TA75S01F
IC79
1
2
3
4
5
47
R389
1
C379
0.001
C380
B6B-PH-SM4-TB
J2
1
2
3
4
5
6
78
0.00 1C381
0
R400
2.7K
R401
0.1
C383
4.7K R424
CP15S
CP17
CP10S
CP18
0
R432
0.1
C398
TA75S01F
IC36
1
2
3
4
5
33K
R433
100K
R434
33K
R435
15K
R436
0.1
C400
0.1
C399
TA75S01F
IC82
1
2
3
4
5
47K
R437
100K
R438
0.01
C401
R382
0
1U L45
1.5U
L58
10U L15
10U L20
10U
L22
10U
L33
10U
L37
10U
L38
10U
L39
10U
L40
HK3-S-T
CP1
CP15S
CP12
SEND
RX
TX
CLK
DATA
SCL_VOL1
SDA_VOL1
REG_C2
PTT1_O
INCOM_O
REM_O
RXD_O
TXD_O
BPOUT
PON
A
B
DATA
CLK
VOX1
VOX2
RSSI
NOISE
TX
SEND
Q3
C
FIL1
FIL2
VCO2
VCO1
Q3
Q0
DATA
CLK
SDA_VOL2
SCL_VOL2
RX
ICNTL
8T1
VCO1
VCO2
8T2 8T1
Q2
Q2
Q0
C
B
A
R8
CLK DATA
8T1
PCON
AM/FM
ANL
TUNE1
VDD_ADJ
BEEP
DATA
CLK
AM_DEPTH
8T2
BPOUT
MM
UL
AM_MOD
SP_CNTL
UL
PCON
10C
TX_OUT
from PA UNIT
CV
16V
TX_VCO
RX_VCO
5C
5C
1st_Lo
8C
8CL
5C
5C
To FRONT UNIT
10C
16V
R8
VCO_OUT
MAIN UNIT
To PA UNIT
RX: 0 V
TX: 8.0 V
RX: 0 V
TX: 8.0 V
RX: 8.1 V
TX: 0 V
RX: 0.7 V
TX: 0.7 V
RX: 4.7 V
TX: 5.2 V
RX: 8.0 V
TX: 0 V
RX: 0 V
TX: 7.5 V
RX: 0 V
TX: 0.8 V
RX: 0 V
TX: 7.2 V
RX: 0.1 V
TX: 2.9 V
RX: 2.9 V
TX: 0.1 V
Explanatory notes
TX Line
RX Line
Voltage Line (8V)
Voltage Line (5V)
Voltage Line (10V)
Voltage Line (16V)
0.7 V
5.0 V
Card edge connector
0.01
C1
3.3K
R6
3.3K
R5
3.3K
R4
3.3K
R3
3.3K
R1
3.3K
R2
B13B-PH-SM4-TB
J4
1
2
3
4
5
6
7
8
9
10
11
12
13
1415
0.01
C2
0.01
C3
HK3 (HOLE)
(J1; CHASSIS)
CP2
100
R13
100
R12
0451008.MRLF1
12
0.001
C4
0.001
C5
0.001
C6
0.001
C7
0.001C8 0.001C9 0.001C10 0.001C11 0.001C12 0.001C13
0.001C14 0.001C15 0.001C16
0.001C17 0.001C18 0.001C19
0.001
DATA JACK
C20
0.001
C21
DFM3MF2
D5
SJ070010
From PA UNIT
(J503)
J6
LA-252
L1
0R14
0R15
0R16
0
R17
0
R18
0.1
C25
0.001
C24
B2P-VH
J3
1
2
5P
C23
5P
C22
SA05C
R11
ERZV14D470
R19
MA2S111
D1
MA2S111
D2
MA2S111
D3
MA2S111
D4
47KR7
15K
R8
1KR9
100KR10
HSJ1650-010720
J7
XMIT INT LOCK
REM SWAP
MEM
MONI
SGND
HP
AGND
MGND
RXD
MIC1
INCOM
PTT
MIC2
A UX IN
SP
TXD
REM
To ANTENNA CONNECTOR
GND
DC IN
Explanatory notes
TX Line
RX Line
MB-113
(Except [USA-02], [EUR-02])
K-CONNECT
D-sub 15-pin
B13B-PH-SM4-TB
J4
1
2
3
4
5
6
7
8
9
10
11
12
13
1415
0.01
C2
0.01
C3
SA05C
R1
0451008.MRL
F1
12
0.001
C6
0.001
C7
0.001
C8
0.001
C9
0.001
C10
0.001
C11
0.001
C12
0.001
C13
DSM3MA4
D1
HK3(HOLE)
CP1
CP2
0.001
C16
0.1
C17
T MP-S01X-C 1
J2
LA-252
L1
0R4
0R5
0R6
0R7
0R8
0R9
5P
C14
5P
C15
S2P-VH
J6
1
2
0.001
C18
1KR11
ERZV14D470
R10
DALC-J15PAF-11L9-E
J5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1KR3
R2 1K
100P
C4
100P
C5
SHIELD
POWER+
TXD
TXKEY
SPEAKER
MIC GROUND
MIC1
POWER GROUND
RXD
GROUND
INTERCOM SELECT
AUDIO GROUND
HEADPHONE
MIC2
MIC1
HP
AGND
SP
AUX IN
REM
MIC2
TX D
RXD
PTT
MGND
INCOM
SGND
DC IN
GND
ANT GND
ANT
AUX IN
To ANTENNA CONNECTOR
(J1: CHASSIS)
From PA UNIT
(J503)
• MAIN UNIT 2/2 (for IC-A210 and IC-A210E except #03)

Icom IC-A220T Specifications

General

Brand	Icom
Model	IC-A220T
Category	Transceiver
Language	English