Icom IC-A220T Service Manual

9 - 1
*; Refer to “PARTS LIST.”
4.90V
0.06V
15.93V
4.92V
3.16V
10.33V
4.92V
LED ON : 4.88V
LED OFF: 0.00V
LED ON : 4.88V
LED OFF: 0.00V
LED ON : 4.83V
LED OFF: 0.00V
V
1.94V
VCC : 13.80 V
Freq. : 127.05 MHz
Description :
COMMON
RX
TX
10
R120
390
R47
47KR31
47KR35
CP06SCP19
0.1C82
15
R83
100K
R77
0.001
C73
0.01C20 0.01C21 0.01C18
0
R122
33K
R69
1KR138
47K R81
0.001
C80
10KR99
0.01
C85
0.001
C75
TC7S08FU
IC11
1
2
3
4
5
0.001
C32
47K
R115
10 MSVA
C49
0.001
C63
TC7S08FU
IC12
1
2
3
4
5
0.01C22
0.1
C37
DTA113ZU
Q4
TC7SHU04FU
IC18
1
2
3
4
5
47KR37
40FLZ-SM2-R-TB
J5
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
0.1
C33
TC7S04FU
IC14
1
2
3
4
5
0.001C67
0.001
C79
3.3 MSVA
C44
0.01 C14
SML-A12M T
DS3
0.001
C72
47KR8
0.01C54
0.001
C61
0.027
C30
10FLT-SM2-TB(LF)(SN)(M)
J4 1 2 3 4 5 6 7 8 9 10
SML-512MW
DS10
47KR45
390
R88
0.001
C74
CP10SCP15
TXD32
0.01C19
LS35J2
S5
TA78L05F
IC16
I O
G
0.001C68
0.01
C15
47K R104
390
R21
SML-512MW
DS 5
0.1
C13
TC74LVX4245FS
IC6
1
VCCA
2
DIR
3
A1
4
A2
5
A3
6
A4
7
A5
8
A6
9
A7
10
A8
11
GND
12
GND
13
GND
14
B8
15
B7
16
B6
17
B5
18
B4
19
B3
20
B2
21
B1
22
G
23
VCCB
24
VCCB
0.01
C42
47K
R73
CP10SCP14
330
R85
1KR131
22K R61
0.1
C34
100 R117
47KR59
2.2M
R126
330
R100
0.01
C41
22K R64
10K
R26
0.01
C76
0.1
C46
0.1
C35
10KR14
LS35J2
S6
0.01
C45
47KR36
100
R6
390
R49
1KR140
NJU6060V
IC15
1
VDD
2
RSTb
3
CSb
4
CLK
5
DATA
6
OSC
7
VSS
8
LED1
9
LED2
10
LED3
470K
R75
SML-A12M T
DS4
ADM202EARUZ
IC10
1
C1+
2
V+
3
C1-
4
C2+
5
C2-
6
V-
7
T2OUT
8
R2IN
9
R2OUT
10
T2IN
11
T1IN
12
R1OUT
13
R1IN
14
T1OUT
15
GND
16
VCC
100KR13
47KR90
DTA113ZU
Q7
47K
R78
12P
C28
TC7S00FU
IC17
1
2
3
4
5
SML-512MW
DS 8
1K R118
24LC64 T
IC5
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
910K
R9
0.01
C78
22K R60
47K
R82
SML-512MW
DS 6
2.2 MSVA
C23
100KR98
47K R79
LS35J2
S2
1KR139
22FLT-SM2-TB(LF)(SN)(M)
J6
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20 21 22
LS35J2
S3
47KR46
0.01
C43
SHORTLAND
CP7
0.001
C71
1KR136
0.01
C50
330K
R10 9.8304MHZ
X1
CR-789A(9.8304MHZ)
330
R86
0.01
C39
06FLZ-SM2-TB
J3
1 2
3 4 5 6
7 8
47KR50
SML-512MW
DS 9
2.2M
R38
47K
R76
100KR124
0.01
C3
CP06SCP18
33KR66
2.2K
R40
47KR51
390
R48
SHORTLAND
CP3
0.001
C70
47K
R71
L1
39U
47KR58
47KR57
DTA113ZU
Q5
47R101
0.1C12
330
R97
0.001
C83
0.01
C17
47K
R114
10 MSVA
C52
BD5242G
IC3
1
OUT
2
VDD
3
VSS
4
NC
5
CD
47K
R116
47KR119
100
R93
SHORTLAND
CP2
47K
R23
CP06S
CP17
RXD32
47KR52
0.01C40
10KR103
0.01
C60
0.01
C8
TC74LVX4245FS
IC7
1
VCCA
2
DIR
3
A1
4
A2
5
A3
6
A4
7
A5
8
A6
9
A7
10
A8
11
GND
12
GND
13
GND
14
B8
15
B7
16
B6
17
B5
18
B4
19
B3
20
B2
21
B1
22
G
23
VCCB
24
VCCB
2SC4215
Q6
SHORTLAND
CP1
1KR141
47K
R70
1KR130
0.01C47
1
C77
33KR65
100K
R123
15
C4
22K R63
BCS2015G 1
D2
SML-512MW
DS 7
12P
C27
1K
R135
15
C2
0.01
C86
33KR67
NJM2370U1
IC2
1
CTRL
2
GND
3
NB
4
VOUT
5
VIN
4.7K
R128
100K
R5
0.001
C58
0.01 C59
0.01
C1
4.7K
R127
10K
R113
SML-512MW
DS2
CP10SCP16
0.01C81
10C55
0.1 C16
NNCD6.2G
D4
1 2 3
4 5
0.01
C11
10
C51
0.1
C36
47K
R134
100KR19
CP06SCP4
NJU7008F3
IC9
1
2
3
4
5
1K
R121
SHORTLAND
CP5
3.3M
R91
0.01
C7
0.001
C62
100KR102
47K
R72
0.001
C64
HD64F38347WV (AX-2974A-4)
IC4
1
P10/TMOW
2
P11/TMOFL
3
P12/TMOFH
4
P13/TMIG
5
P14/IRQ4/ADTRG
6
P15/IRQ1/TMIC
7
P16/IRQ2
8
P17/IRQ3/TMIF
9
X1
10
X2
11
VSS
12
OCS2
13
OSC1
14
TEST
15
RES
16
P20/SCK1
17
P21/SI1
18
P22/SO 1
19
P23
20
P24
21
P25
22
P26
23
P27
24
P30/PWM
25
P31/UD
26
P32/RESO
27
P33/SCK31
28
P34/RXD31
29
P35/TXD31
30
P36/AEVH
31
P37/AEVL
32
CVCC
33
VSS
34
V3
35
V2
36
V1
37
V0
38
VCC
39
PA3/COM 4
40
PA2/COM 3
41
PA1/COM 2
42
PA0/COM 1
43
P50/WKP0/SEG1
44
P51/WKP1/SEG2
45
P52/WKP2/SEG3
46
P53/WKP3/SEG4
47
P54/WKP4/SEG5
48
P55/WKP5/SEG6
49
P56/WKP6/SEG7
50
P57/WKP7/SEG8
51
P60/SEG 9
52
P61/SEG10
53
P62/SEG11
54
P63/SEG12
55
P64/SEG13
56
P65/SEG14
57
P66/SEG15
58
P67/SEG16
59
P70/SEG17
60
P71/SEG18
61
P72/SEG19
62
P73/SEG20
63
P74/SEG21
64
P75/SEG22
65
P76/SEG23
66
P77/SEG24
67
P80/SEG25
68
P81/SEG26
69
P82/SEG27
70
P83/SEG28
71
P84/SEG29
72
P85/SEG30
73
P86/SEG31
74
P87/SEG32
75
P90/SEG33
76
P91/SEG34
77
P92/SEG35
78
P93/SEG36
79
P94/SEG37/M
80
P95/SEG38/DO
81
P96/SEG39/CL2
82
P97/SEG40/CL1
83
P40/SCK32
84
P41/RXD32
85
P42/TXD32
86
P43/IRQ0
87
AVCC
88
PB0/AN0
89
PB1/AN1
90
PB2/AN2
91
PB3/AN3
92
PB4/AN4
93
PB5/AN5
94
PB6/AN6
95
PB7/AN7
96
PC0/AN8
97
PC1/AN9
98
PC2/AN10
99
PC3/AN11
100
AVS S
EC11EAB24C
S1
1
COM
2
A
3
B
4
COM
5
A
6
B
78
0.001
C66
0.1
C38
390
R89
47K
R34
0.01 C10
SML-512MW
DS1
100KR125
47KR20
2.2M
R74
100KR12
10KR11
1K
R129
10
C9
1KR133
1K
R132
47K R80
22K R62
33KR68
1M
R43
1KR137
LS35J 2
S4
47KR44
15K
R22
47KR7
0.01C53
0.01
C31
DO1 DO2 DO3 DO4 DO5 DO6 DO7 DO8 DO9 DO10 DO11 DO12 DO13 DO14 DO15 RSTB WR B RDB CSB A0
SELB
SELC
SELA
MEM
RCL
SWAP
NOISE
VOX1 VOX2
SELA
SELB
SELC
CLK_IC12
DATA_IC11
SELDSELD
SELD
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D0
D9
D10 D11 D12 D13 D14 D15
SIGN339
SIGN341
SIGN343
A0
CSB
RDB
WR B
RSTB
D1
D8
D7
D6
D5
D4
D3
D2
D1
D0
PTT1_ O
RXD31 TXD31
DO15
DO14
DO13
DO12
DO11
DO10
DO9
DO8
DO7
DO6
DO5
DO4
DO3
DO2
DO1
DO0
INCOM_O
REM_O
RSSI
VOX1 VOX2
NOISE
25KA 25KB 1M A 1MB
EC
PHOTO
FW1/JTG3
JTG1
FW2/JTG2
JTG4
MONI
CLK_IC12
DATA_IC11
EXGP1 EXGP3 EXGP2
EXGP1 EXGP2 EXGP3
SIGN342
SIGN340
JTG1
JTG4
RXD3 1 TXD31 EXGP0
EXGP0
INCOM_ O
VR
DUAL
C
A
TXD32
C A B
RXD32
REM_O
RSSI
A
B
C
CDC
CDC
REM_ O
PRT/UL
PRT/UL
RESET
SWAP
RCL
MEM
DUAL
EC
REG_C 2
RSSI VOX2 VOX1 PRT/UL NOISE MONI BPOUT
CSDM
REG_C2 PTT1_O TXD32 RXD3 2 VR
CSDM
CLK_IC12
DATA_IC11
FW1/JTG3
FW2/JTG2
RESE T
BPOUT
PHOT O
DO0
1M A
1MB
25KB
DIAL
25KA
5C
TO EL DISPLAY
JTAG3
JTAG2
GND
TO ONCHIP
EMULATOR
SEL CSEL BSEL A SEL D
< --> EC
DAIAL BL VR BL
CLK DATA
16V 16V
3C
5C
5C
RESET
5C
5C
5C
5C
5C
5C
PONPON
5C
10C
10C
3C
SDA SCL
1K
R2
100
R3
VOLUME
UNIT
To FRONT UNIT J3
0.01
C2
0.01
C1
0.001
C3
0.001
C4
06FLZ-SM2-TB
J1
1
2
3
4
5
6
78
TP76N00NA
R1
1
2
3
4
5
6
7
MONI
PON
VR
5V
To VOLUME UNIT J1
FRONT UNIT
SECTION 9 VOLTAGE DIAGRAM

Icom IC-A220T Specifications

General

Brand	Icom
Model	IC-A220T
Category	Transceiver
Language	English