Icom IC-F6220D Service Manual page 46

• MAIN-A/MAIN-B/MAIN-C UNIT (2/3)
J1002
J1001
2
1
13.6V
VCC VCC
BATV
2.2V
13.6V
HF70BB9.5X10.4X4.9
HV
CP30
W2
EP1001
OPC-1195C
EP1002
HW-1-S
Q1001
LDTC114YE
R1012
PWON PWON
4.7k
HF70BB9.5X10.4X4.9
Power ON 2.8V
Power OFF0.0V
IC1001
5 1
VIN VROUT
2
VSS
4 3
VDOUT CD/VSEN
XC6408EN22PR
C1011
0.1
PGIO4
R1005 R1006 R1016 R1018
1k CF20 100k 100k 100k
I
EAFO D1003 D1004 D1005
MINISMDC050F
S1001
VCC DA221 DA221 DA221
J1003
VCC
1
Ext.I/O 6 (IGSW)
2
Ext.I/O 11 (HORN)
3
GND
4
Ext.I/O 7 (AFO)
5
GND
6
DISC
7
GND
8
IN
9
GND
10
Ext.I/O 14(EPTT)
11
Ext.I/O 4 (SERIAL)
12
Ext.I/O 10 (SERIAL)
13
1.9V
1k R1032
DTC363EK
Q1012
Q1008
D1007
L1SS400
LDTC114YE
H:AFON L:MUTE
C1034
C1050
1 1
AF AMP
Q1011
2SD1664
8V
LDTC114YE
R1105
NJM7808DL1A
IC1002 TX 0.0V
0 8.0V
RX 7.9V
8V
I O
G
Q1016
*R1119
2SB1132
Q1014
Q1015
DMC506010R
3.3V
R1015
1k
2SB1132
Q1017
Q1019
LDTC114YE DMC506010R
Q1005
R1038
1k
Q1004
LDTC114YE
R1027
C1043
0.1 0
C1046
R1028 47
1
Q1007
R1029 1k
Q1010
R1044 100k
LDTC114YE
LDTC114YE
11 - 3
AF PRE AMP
C1070
220P
5 R1057 C1081 C1082
IC1004 3
4
68k 0.1 0.1
1
TA75S01F
2
TX 8.1V
RX 0.0V
T8V
8.0V
Q1018 Q1021
LDTC114YE
TXC
8V
Custom
R8V
Audio IC
C1098
SQIN
MICI 1
LDTC114YE
RXC
R1530
390k R1510 4.7k
2.2 C1506
10k R1509
5.0V
15k R1506 C1504
+5V +5V R1508
R1505 100P
15k 22k
R1507
10k C1503
R1503
C1502 0.0082
0.1
12k
C1500
0.1
+3.3V
R1538
39k
L1001
1.8U
3.3V
Rx 180P
Amp1 C1516
1 39k 120k
R1519 R1518
C1515
0 R1515
R1517 12k
1.63V
0
R1525
R1524 1.5k
C1532
390P
R1523 82k
C1507
1
C1505
1
EP1004 MMZ1005S601CT
EP1005 MMZ1005S601CT
0.1
C1528
C1529
0.001
GND
DSCK
DPDN DAST
TMUT AFON
NOIS DMOSI
RXC DSS
TXC ADS
UNLK NWC
PLST PGIO3(TXD0)
DRES SCK
PLSW DMISO
HORN SSO
RSSI RORES
LVIN IGSW
TEMP MIC
BATV EPTT
DSIRQ PGIO4
PGIO2(RXD0) PWON
CRES BEEP
CPU3.3V 8V
AFO GND
165 mVrms
*: Refer to the PARTS LIST for the value and name of component.
HV
HV
T8V
T8V
R8V
R8V
8V
8V
+5V +5V
+3.3V
+3.3V
NWC
NWC
ADS ADS
T1
T1
T2
T2
TMUT
TMUT
RXC
RXC
MOD
F
F
SQIN
SQIN
SCK
SCK
SSO
SSO
LVA LVA
MCLK
MCLK
PLST
PLST
PLSW
PLSW
DET
DET
UNLK UNLK
R1529 68k
SIG LVIN
LVIN
MOD
RSSI
RSSI
VCON
+5V NOIS
NOIS
T1
T2 DGND
DGND
LVA
DIF DIF
VCON
DRES
DRES
VCOMO1
VCOMO1
DMOSI
DMOSI
DSCK DSCK
DSS
DSS
DMISO
DMISO
BCLKX1
BCLKX1
DSIRQ
DSIRQ
MCLK MCLK
BFSX1
BFSX1
BDX1
BDX1
C1133
DIF
DIF
ERTJ0EP473J
0.01 R1116
DPDN
DPDN
3.3k
R1098
BDR1 BDR1