Icom IC-A220T Service Manual

9-4g
The underlined parts have been updated from the previous version of the addendum, or the original pages.
(Addendum page)
July 2019
1STLO
5C
8C
2NDLO
10C
SP_CNTL
VDD_ADJ
UL
8T1
8T2
R8
SDA_VOL1
SCL_VOL1
SCL_VOL2
SDA_VOL2
ICNTL
FIL2
FIL1
TUNE1
MM
DATA
CLK
A
B
C
BPOUT
AM/FM
ANL
AM_MOD
AM_DEPTH
BEEP
*R447
0.001
C109 0.01
C124
1KR317
*C230
1KR318
1K
R217
270
R92
18P
C91
0.1
C399
0.1
C214
0.001 C233
0.01
C245
0.01
C117
15P C92
330
R88
470 R227
JZ100
C127
0.001
C108
10
R378
0
R79
10P
C94
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
0
R450
12P
C130
4.7K
R103
33P
C222
12K
R218
*C139
22P
C125
15K
R436
HK3-S-T
CP1
10K
R238
*C407
18P C102
C254
4.7/16V
0.001 C347
33K
R435
CP15S
CP12
2SD2351
Q42
10KR327
2.2K
R263
0.01 C99
0.001
C236
10U
L15
JDV2S36E
D59
0.001
C90
5P
C98
39P
C218
3P
C312
56P
C219
220
R262
JDV2S36E
D58
1KR237
C215
0.47/25V
2P
C115
JZ100
C136
*R219
0
R319
*Q5
*Q6
2SC4226
Q33
0.1
C398
*C228
0.01 C378
CR-860
X2
1
VCONT
2
GND
3
OUT
4
VCC
*R448
TA75S01F
IC36
1
2
3
4
5
*C406
39P
C225
2979
MP1
0.001 C380
JDV2S36E
D56
2.7K
R401
0.001 C253
C269
33/16V
15
R223
0.001 C227
1M
R320
82N L31
0.001 C273
CP15S
CP17
0.001
C268
0.01 C96
22K
R222
*R446
0
R432
68K R230
10U
L39
0.1
C400
0.001
C89
100P
C220
33 ESVB2
C240
*Q62
10PC313
0.001
C252
10K
R101
JDV2S36E
D57
1KR316
10K
R216
10U
L37
12P
C105
10K
R99
4.7K
R104
*C137
100K
R434
0.01 C167
*R444
100
R233
2SC4215
Q35
100K
R232
27P
C241
L68
22N
10K
R247
0.001
C265
*R253
1K
R252
33K
R259
330 R264
0.001
C266
*R257
*C216
DAN235E
D36
*C239
*L32
0
R336
15P
C274
J8
*R256
15
R220
27P
C244
*R443
0.001
C261
2SC4226
Q41
135N
L34
*R106
0.5P
C87
10U L22
2SC4215
Q2
*R109
0.5P
C88
110N
L36
10U
L20
10U
L40
2SC4215
Q3
C1608CB
L51
56N
L57
C1608CB
L56
*C377
L35
C1608CB
C2012C
L47
J2
1
2
3
4
5
6
78
0.001
C315
0.001
C317
0.001 C381
0.001
C316
0.001
C282
DTC144EU
Q53
1K
R377
TA75S01F
IC82
1
2
3
4
5
47K R437
0.01 C401
100K
R438
1
C375
0.1C383
0.01 C376
R382
0
0
R379
CP10S
CP18
10K
R385
0.1
C374
1
C379
0.1
C373
M62364FP
IC78
1
IN
2
OUT
3
OUT
4
IN
5
VDD
6
LD
7
CLK
8
DI
9
IN
10
OUT
11
OUT
12
IN
13
IN
14
OUT
15
OUT
16
IN
17
DO
18
VDAREF
19
RESET
20
GND
21
IN
22
OUT
23
OUT
24
IN
4.7
R386
10K
R384
0
R388
47K
R383
TA75S01F
IC79
1
2
3
4
5
0
R381
47
R389
0
R380
0.01 C300
0
R387
82K
R254
0.001
C384
*R258
1U
L45
0.001
C224
2SC4215
Q38
0
R449
*C358
*R445
1.5U
L58
33K
R433
0.01
C298
DTC144EU
Q54
100K
R313
BU4081BF
IC46
1
2
3
4
5
6
7 8
9
10
11
12
13
14
CD4028BNSR
IC49
1
4
2
2
3
0
4
7
5
9
6
5
7
6
8
VSS
9
8
10
A
11
D
12
C
13
B
14
1
15
3
16
VDD
100K
R315
0.01 C302
100K
R314
0
R400
10U
L33
10U
L38
DTB113ZK
Q30
10K
R28
2SB1302S
Q29
1K
R328
CP15S
CP14
DTB113ZK
Q32
DTC144EU
Q46
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
100K
R118
4.7K
R323
4.7K
R245
47K R301
4.7K
R324
4.7K
R278
47K
R277
10K
R292
4.7K
R424
0.01
C299
4.7K
R246
0
R390
0
R375
0
R376
0
R363
0
R374
100
R248
CLK
A
B
C
SP_CNTL
AM_MOD
AM_DEPTH
VDD_ADJ
BEEP
BPOUT
UL
SCL_VOL1
SDA_VOL1
SCL_VOL2
SDA_VOL2
ICNTL
VDD_ADJ BEEP BPOUT SP_CNTL TUNE1 CLK DATA AM_MOD AM_DEPTH B C A
DATA
CLK
SCL_VOL1 SDA_VOL1 DATA SDA_VOL2 SCL_VOL2 CLK ANL ICNTL MM AM/FM FIL1 FIL2 DATA CLK
ANL
AM/FM
TUNE1
FIL1
FIL2
DATA
MM
UL
5C 5C
UNLOCK
TX_VCO
RX_VCO
8CL
CV
1st-Lo
VCO_OUT
TX
5C
PCON
10C
Q3
8C
Q3
Q2
VCO2
VCO1
Q0
10C
8T1
8T2
VCO2
VCO1
R8
5C
RX
TX
SEND
8C
8T1
8T2
8T1
8T2
8T2
10C
5C
PROTECT
MAIN UNIT #03 (3/3)
MAIN UNIT #03 (2/3)
MAIN UNIT #03 (2/3)
TO
PA-EUR UNIT
MAIN UNIT #03 (3/3)
5C
5C
TO
PA-EUR UNIT
RX: 0 V
TX: 8.0 V
RX: 8.1 V
TX: 0 V
RX: 0 V
TX: 8.0 V
RX: 0.1 V
TX: 2.9 V
RX: 2.9 V
TX: 0.1 V
RX: 7.2 V
TX: 6.4 V
RX: 0 V
TX: 7.5 V
RX: 0 V
TX: 7.5 V
RX: 7.2 V
TX: 6.4 V
RX: 8.0 V
TX: 0 V
0.7 V
5.0 V
0.7 V
Explanatory notes
TX Line
RX Line
Voltage Line (8V)
Voltage Line (5V)
Voltage Line (10V)
• MAIN UNIT 1/3 (for only IC-A210E #03)

Icom IC-A220T Specifications

General

Brand	Icom
Model	IC-A220T
Category	Transceiver
Language	English