![background image](http://html.mh-extra.com/html/icom/ic-f6220d/ic-f6220d_service-manual_612654046.webp)
11 - 3
*:
Refer to the PARTS LIST for the value and name of component.
• MAIN-A/MAIN-B/MAIN-C UNIT (2/3)
0.1
C1092
UNLK
1
C1026
0.001
C1135
10
C1053
0.001
C1061
R8V
R1009
10k
0.001
C1100
DA221
D1004
+5V
68P
C1025
MINISMDC050F
S1001
0.001
C1018
HF70BB9.5X10.4X4.9
EP1002
HW-1-S
CP30
0.001
C1045
1
C1046
J1002
R1099
100k
HV
470
C1008
R1045
10k
T1
0.001
C1059
0
R1008
220P
C1024
CF20
I
R1100
1k
L1001
1.8U
R1098
ERTJ0EP473J
R1040
1M
R1027
0
47P
C1022
0.001
C1077
0.001
C1003
2SJ506S
Q1003
R1013
47k
R1025
6.8k
0.001
C1075
0.001
C1029
R1028
47
D1008
DA221
1k
R1005
RSSI
J1003
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R1023
10k
CF20
K
0.1
C1057
R1084
1k
0.001
C1051
SCK
100k
R1016
10
C1040
+3.3V
0.1
C1038
R1035
10k
J1001
1
2
34
R1026
6.8k
0.001
C1031
DA221
D1005
DA221
D1003
0.001
C1060
CF20
D
Q1013
2SA1577
MOD
R1010
10k
0.001
C1062
DIF
RXC
0.1
C1042
PLST
CF20
F
0.001
C1074
T2
R1020
100k
R1037
100k
R1082
1k
0.001
C1076
1k
R1083
0.1
C1032
R1029
1k
R1033
6.8k
100k
R1014
0.001
C1023
470
C1019
VCON
470
C1039
0.1
C1043
10
C1063
R1036
4.7k
0.001
C1028
SQIN
LVIN
TMUT
D1002
D
SA3A1
NWC
HF70BB9.5X10.4X4.9
EP1001
DA221
D1006
0.1
C1136
Q1008
DTC363EK
0.1
C1071
R1044
100k
10
C1037
R1043
1M
F
R1039
100k
R1059
1k
R1012
4.7k
47P
C1012
1k
R1068
0.001
C1015
NOIS
0.001
C1010
20k
R1048
T8V
0.1
C1052
47P
C1102
100k
R1018
47P
C1119
1
C1056
0.001
C1007
NJM7808DL1A
IC1002
I
O
G
TA75S01F
IC1004
1
2
3
4
5
0.001
C1085
CF20
G
R1049
4.7k
1k
R1022
8V
0.001
C1014
10k
R1047
1k
R1021
470
C1033
0.47
C1048
0.001
C1017
10
C1058
SSO
LVA
ADS
1
C1098
OPC-1195C
W2
0.001
C1065
DRES
VCOMO1
DMOSI
DSCK
DSS
MCLK
DIF
DMISO
DSIRQ
DPDN
1
C1066
PLSW
1k
R1069
1k
R1070
10k
R1031
LDTC114YE
Q1018
Q1016
LDTC114YE
Q1001
LDTC114YE
LDTC114YE
Q1005
Q1012
LDTC114YE
XC6408EN22PR
IC1001
1
VROUT
2
VSS
3
CD/VSEN
4
VDOUT
5
VIN
LDTC114YE
Q1007
LDTC114YE
Q1010
10k
R1030
R1003
91k
R1004
18k
1k
R1060
1k
R1038
1k
R1015
Q1004
LDTC114YE
LDTC114YE
Q1021
47k
R1108
D1007
L1SS400
0.1
C1005
0.1
C1036
10
C1064
0.1
C1011
0.1
C1142
J1004
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
LA4425A
IC1009
1
2
3
4
5
R1055
100k
R1034
4.7k
R1024
2.2k
0.1
C1081
220P
C1070
1
C1050
0.01
C1035
1
C1034
0.1
C1143
100k
R1006
0.01
C1133
R1085
1k
1k
R1114
1k
R1115
2.2k
R1050
DET
CP10S
CP1001
CP10S
CP1002
DMC506010R
Q1015
1
2
3
4
5
6
DMC506010R
Q1019
1
2
3
4
5
6
R1046
1k
R1054
100k
R1056
100k
R1062
100k
0
R1105
R1032
1k
1
C1501
0.1
C1502
100P
C1504
22k
R1508
2.2
C1506
390k
R1510
1
C1507
0.1
C1524
12k
R1515
0.001
C1525
1
C1515
0
R1517
1
C1512
1
C1517
0.01
C1511
0.1
C1518
0.001
C1526
0.1
C1527
0.1
C1528
0.001
C1529
MCLK
BCLKX1
BFSX1
BDX1
BDR1
DGND
SC-1445
IC1010
1
OP1INP
2
OP1INN
3
OP1O
4
OP2IN
5
AVDD2
6
OP2O
7
TXADCI
8
ALCO
9
ALCD
10
ALCI
11
MICO
12
GND2
13
MICI
14
SQLO
15
VOXI
16
SQLI
17
VOXO
18
RXADCI
19
AF2O
20
AF2I
21
AFVO
22
AFI1
23
AFI2
24
RXDACO
25
GND1
26
VCOMO2
27
VCOMO1
28
VCOMI
29
BGR
30
AVDD1
31
TXDACO
32
MODI
33
MODO
34
VCOMOD
35
DAC5
36
VCON
37
DACVDD
38
DAC1
39
DAC2
40
DAC3
41
DAC4
42
DACGND
43
MODE
44
CSN
45
SCLK/SCL
46
SDATAI/SDA
47
SDATAO
48
DVDD
49
DVSS
50
MCLK
51
BCLK
52
LRCLK
53
SDI
54
SDO
55
TEST
56
NRST
57
0
R
1521
100k
R1535
0.1
C1500
0.0082
C1503
0
R1525
0.012
C1523
0
R1532
15k
R1505
15k R1506
68k
R1526
82k
R1523
390P
C1532
1.5k
R1524
MMZ1005S601CT
EP1003
1
C1519
1
C1520
1
C1521
1
C1522
120k
R1500
12k
R1503
47k
R1501
5.6k
R1502
180k
R1504
10k
R1507
39k
R1519
120k
R1518
180P
C1516
3.3k
R1116
*R1119
MMZ1005S601CT
EP1004
MMZ1005S601CT
EP1005
Q1011
2SD1664
Q1014
2SB1132
2SB1132
Q1017
47P
C1101
68k
R1529
4.7k
R1530
MMZ1005Y102CT
EP1006
39k
R1538
Q1009
2SJ145
22k
R1539
10k
R1509
1
C1505
0.1
C1082
R1057
68k
1.2k
R1534
SSO
PGIO4
SSO
ADS
MOD
AFON
SCK
AFON
BEEP
NWC
SIG
AFO
F
HV
+5V
+5V
HORN
IGSW
NOIS
T2
TXC
8V
BATV
T1
TMUT
PGIO2
LVIN
LVA
LVIN
PLSW
PGIO3
RSSI
PLST
ADS
SCK
PGIO4
8V
DISC
UNLK
DRES
NOIS
IN
UNLK
T8V
RSSI
R8V
HORN
T8V
+3.3V
R8V
RXC
BATV
RXC
NWC
SQIN
F
EAFO
EAFO
PWON
RXC
DAST
TMUT
TEMP
DIF
PGIO3
+5V
PLST
VCON
8V
VCC
AFO
PGIO2
EPTT
DRES
VCOMO1
DMOSI
DSCK
DSS
DMISO
DSIRQ
MCLK
DIF
DPDN
PWON
PWON
PLSW
DMOSI
DSCK
IGSW
DSS
DMISO
DSIRQ
DPDN
HV
EPTT
TXC
8V
8V
8V
+3.3V
TEMP
DET
VCON
MOD
+5V
DAST
SCK
SSO
MCLK
BCLKX1
BFSX1
BDX1
BDR1
DET
VCOMO2
VCOMO1
SQIN
MCLK
SIG
BCLKX1
BFSX1
BDX1
BDR1
VCOMO2
DISC
DGND
MICI
MIC
MICI
DGND
BEEP
+3.3V
+3.3V
T2
T1
LVA
+3.3V
+3.3V
RORES
RORES
VCC
VCC
NWC
IGSW
GND
SCK
HORN
RSSI
PGIO3(TXD0)
TMUT
PGIO4
LVIN
DSCK
DMISO
MIC
8V
DMOSI
BEEP
DRES
AF PRE AMP
DSS
RXC
Ext.I/O 4 (SERIAL)
SSO
CPU3.3V
GND
DISC
TXC
DAST
GND
EPTT
GND
PWON
GND
PLST
UNLK
AF AMP
ADS
PGIO2(RXD0)
VCC
Ext.I/O 14(EPTT)
Ext.I/O 7 (AFO)
TEMP
NOIS
GND
H:AFON L:MUTE
BATV
Ext.I/O 10 (SERIAL)
Ext.I/O 11 (HORN)
PLSW
AFO
AFON
Ext.I/O 6 (IGSW)
DSIRQ
CRES
DPDN
Rx
Amp1
Custom
Audio IC
RORES
Power ON 2.8V
Power OFF0.0V
1.9V
TX 0.0V
RX 7.9V
3.3V
13.6V
13.6V
2.2V
8.0V
5.0V
TX 8.1V
RX 0.0V
8.0V
3.3V
1.63V
165 mVrms